Merge branch 'main' into feature/dotnetsdk-upgrade/6.0.423

* Bump xunit from 2.4.1 to 2.7.1 in /src

Bumps [xunit](https://github.com/xunit/xunit) from 2.4.1 to 2.7.1.
- [Commits](https://github.com/xunit/xunit/compare/2.4.1...2.7.1)

---
updated-dependencies:
- dependency-name: xunit
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <support@github.com>

* Appease xunit warnings after upgrading to v2.7.1

* Appease the whitespace linter

* Appease the whitespace linter

---------

Signed-off-by: dependabot[bot] <support@github.com>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>
Co-authored-by: Patrick Ellis <319655+pje@users.noreply.github.com>

.devcontainer/devcontainer.json

@@ -4,10 +4,13 @@
   "features": {
     "ghcr.io/devcontainers/features/docker-in-docker:1": {},
     "ghcr.io/devcontainers/features/dotnet": {
-      "version": "6.0.414"
+      "version": "6.0.423"
     },
     "ghcr.io/devcontainers/features/node:1": {
       "version": "16"
+    },
+    "ghcr.io/devcontainers/features/sshd:1": {
+      "version": "latest"
     }
   },
   "customizations": {

.github/workflows/build.yml

@@ -58,29 +58,6 @@ jobs:
         ${{ matrix.devScript }} layout Release ${{ matrix.runtime }}
       working-directory: src
 
-    # Check runtime/externals hash
-    - name: Compute/Compare runtime and externals Hash
-      shell: bash
-      run: |
-        echo "Current dotnet runtime hash result: $DOTNET_RUNTIME_HASH"
-        echo "Current Externals hash result: $EXTERNALS_HASH"
-
-        NeedUpdate=0
-        if [ "$EXTERNALS_HASH" != "$(cat ./src/Misc/contentHash/externals/${{ matrix.runtime }})" ] ;then
-          echo Hash mismatch, Update ./src/Misc/contentHash/externals/${{ matrix.runtime }} to $EXTERNALS_HASH
-          NeedUpdate=1
-        fi
-
-        if [ "$DOTNET_RUNTIME_HASH" != "$(cat ./src/Misc/contentHash/dotnetRuntime/${{ matrix.runtime }})" ] ;then
-          echo Hash mismatch, Update ./src/Misc/contentHash/dotnetRuntime/${{ matrix.runtime }} to $DOTNET_RUNTIME_HASH
-          NeedUpdate=1
-        fi
-
-        exit $NeedUpdate
-      env:
-        DOTNET_RUNTIME_HASH: ${{hashFiles('**/_layout_trims/runtime/**/*')}}
-        EXTERNALS_HASH: ${{hashFiles('**/_layout_trims/externals/**/*')}}
-
     # Run tests
     - name: L0
       run: |
@@ -103,6 +80,3 @@ jobs:
         name: runner-package-${{ matrix.runtime }}
         path: |
           _package
-          _package_trims/trim_externals
-          _package_trims/trim_runtime
-          _package_trims/trim_runtime_externals

.github/workflows/close-bugs-bot.yml

@@ -0,0 +1,17 @@
+name: Close Bugs Bot
+on:
+  workflow_dispatch:
+  schedule:
+    - cron: '0 0 * * *' # every day at midnight
+jobs:
+  stale:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/stale@v8
+        with:
+          close-issue-message: "This issue does not seem to be a problem with the runner application, it concerns the GitHub actions platform more generally. Could you please post your feedback on the [GitHub Community Support Forum](https://github.com/orgs/community/discussions/categories/actions) which is actively monitored. Using the forum ensures that we route your problem to the correct team. 😃"
+          exempt-issue-labels: "keep"
+          stale-issue-label: "actions-bug"
+          only-labels: "actions-bug"
+          days-before-stale: 0
+          days-before-close: 1

.github/workflows/close-features-bot.yml

@@ -0,0 +1,17 @@
+name: Close Features Bot
+on:
+  workflow_dispatch:
+  schedule:
+    - cron: '0 0 * * *' # every day at midnight
+jobs:
+  stale:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/stale@v8
+        with:
+          close-issue-message: "Thank you for your interest in the runner application and taking the time to provide your valuable feedback. We kindly ask you to redirect this feedback to the [GitHub Community Support Forum](https://github.com/orgs/community/discussions/categories/actions-and-packages) which our team actively monitors and would be a better place to start a discussion for new feature requests in GitHub Actions. For more information on this policy please [read our contribution guidelines](https://github.com/actions/runner#contribute). 😃"
+          exempt-issue-labels: "keep"
+          stale-issue-label: "actions-feature"
+          only-labels: "actions-feature"
+          days-before-stale: 0
+          days-before-close: 1

.github/workflows/dotnet-upgrade.yml

@@ -84,221 +84,20 @@ jobs:
           git commit -a -m "Upgrade dotnet sdk to v${{ steps.fetch_latest_version.outputs.DOTNET_LATEST_MAJOR_MINOR_PATCH_VERSION }}"
           git push --set-upstream origin $branch_name
 
-  build-hashes:
+  create-pr:
-    if: ${{ needs.dotnet-update.outputs.SHOULD_UPDATE == 1 && needs.dotnet-update.outputs.BRANCH_EXISTS == 0 }}
     needs: [dotnet-update]
-    outputs: 
+    if: ${{ needs.dotnet-update.outputs.SHOULD_UPDATE == 1 && needs.dotnet-update.outputs.BRANCH_EXISTS == 0 }}
-      # pass outputs from this job to create-pr for use
+    runs-on: ubuntu-latest
-      DOTNET_LATEST_MAJOR_MINOR_PATCH_VERSION: ${{ needs.dotnet-update.outputs.DOTNET_LATEST_MAJOR_MINOR_PATCH_VERSION }}
-      DOTNET_CURRENT_MAJOR_MINOR_VERSION: ${{ needs.dotnet-update.outputs.DOTNET_CURRENT_MAJOR_MINOR_VERSION }}
-      NEEDS_HASH_UPDATE: ${{ steps.compute-hash.outputs.NEED_UPDATE }}
-    strategy:
-      fail-fast: false
-      matrix:
-        runtime: [ linux-x64, linux-arm64, linux-arm, win-x64, win-arm64, osx-x64, osx-arm64 ]
-        include:
-        - runtime: linux-x64
-          os: ubuntu-latest
-          devScript: ./dev.sh
-
-        - runtime: linux-arm64
-          os: ubuntu-latest
-          devScript: ./dev.sh
-
-        - runtime: linux-arm
-          os: ubuntu-latest
-          devScript: ./dev.sh
-
-        - runtime: osx-x64
-          os: macOS-latest
-          devScript: ./dev.sh
-
-        - runtime: osx-arm64
-          os: macOS-latest
-          devScript: ./dev.sh
-
-        - runtime: win-x64
-          os: windows-2019
-          devScript: ./dev
-
-        - runtime: win-arm64
-          os: windows-latest
-          devScript: ./dev
-
-    runs-on: ${{ matrix.os }}
     steps:
-    - uses: actions/checkout@v3 
+    - uses: actions/checkout@v3
       with:
         ref: feature/dotnetsdk-upgrade/${{ needs.dotnet-update.outputs.DOTNET_LATEST_MAJOR_MINOR_PATCH_VERSION }}
-
-    # Build runner layout
-    - name: Build & Layout Release
-      run: |
-        ${{ matrix.devScript }} layout Release ${{ matrix.runtime }}
-      working-directory: src
-
-    # Check runtime/externals hash
-    - name: Compute/Compare runtime and externals Hash
-      id: compute-hash
-      continue-on-error: true
-      shell: bash
-      run: |
-        echo "Current dotnet runtime hash result: $DOTNET_RUNTIME_HASH"
-        echo "Current Externals hash result: $EXTERNALS_HASH"
-
-        NeedUpdate=0
-        if [ "$EXTERNALS_HASH" != "$(cat ./src/Misc/contentHash/externals/${{ matrix.runtime }})" ] ;then
-          echo Hash mismatch, Update ./src/Misc/contentHash/externals/${{ matrix.runtime }} to $EXTERNALS_HASH
-
-          echo "EXTERNAL_HASH=$EXTERNALS_HASH" >> $GITHUB_OUTPUT
-          NeedUpdate=1
-        fi
-
-        if [ "$DOTNET_RUNTIME_HASH" != "$(cat ./src/Misc/contentHash/dotnetRuntime/${{ matrix.runtime }})" ] ;then
-          echo Hash mismatch, Update ./src/Misc/contentHash/dotnetRuntime/${{ matrix.runtime }} to $DOTNET_RUNTIME_HASH
-
-          echo "DOTNET_RUNTIME_HASH=$DOTNET_RUNTIME_HASH" >> $GITHUB_OUTPUT
-          NeedUpdate=1
-        fi
-
-        echo "NEED_UPDATE=$NeedUpdate" >> $GITHUB_OUTPUT
-      env:
-        DOTNET_RUNTIME_HASH: ${{hashFiles('**/_layout_trims/runtime/**/*')}}
-        EXTERNALS_HASH: ${{hashFiles('**/_layout_trims/externals/**/*')}}
-    - name: update hash
-      if: ${{ steps.compute-hash.outputs.NEED_UPDATE == 1 }}
-      shell: bash
-      run: |
-        ExternalHash=${{ steps.compute-hash.outputs.EXTERNAL_HASH }}
-        DotNetRuntimeHash=${{ steps.compute-hash.outputs.DOTNET_RUNTIME_HASH }}
-
-        if [ -n "$ExternalHash" ]; then
-          echo "$ExternalHash" > ./src/Misc/contentHash/externals/${{ matrix.runtime }}
-        fi
-
-        if [ -n "$DotNetRuntimeHash" ]; then
-          echo "$DotNetRuntimeHash" > ./src/Misc/contentHash/dotnetRuntime/${{ matrix.runtime }}
-        fi
-    - name: cache updated hashes
-      if: ${{ steps.compute-hash.outputs.NEED_UPDATE == 1 }}
-      uses: actions/cache/save@v3
-      with:
-        enableCrossOsArchive: true
-        path: |
-          ./src/Misc/contentHash/externals/${{ matrix.runtime }}
-          ./src/Misc/contentHash/dotnetRuntime/${{ matrix.runtime }}
-        key: compute-hashes-${{ matrix.runtime }}-${{ github.run_id }}-${{ github.run_number }}-${{ github.run_attempt }}
-
-
-  hash-update:
-    needs: [build-hashes]
-    if: ${{ needs.build-hashes.outputs.NEEDS_HASH_UPDATE == 1 }}
-    outputs: 
-      # pass outputs from this job to create-pr for use
-      DOTNET_LATEST_MAJOR_MINOR_PATCH_VERSION: ${{ needs.build-hashes.outputs.DOTNET_LATEST_MAJOR_MINOR_PATCH_VERSION }}
-      DOTNET_CURRENT_MAJOR_MINOR_VERSION: ${{ needs.build-hashes.outputs.DOTNET_CURRENT_MAJOR_MINOR_VERSION }}
-    runs-on: ubuntu-latest
-    steps:
-    - uses: actions/checkout@v3
-      with: 
-        ref: feature/dotnetsdk-upgrade/${{ needs.build-hashes.outputs.DOTNET_LATEST_MAJOR_MINOR_PATCH_VERSION }}
-    - name: Restore cached hashes - linux-x64
-      id: cache-restore-linux-x64
-      uses: actions/cache/restore@v3
-      with:
-        enableCrossOsArchive: true
-        path: |
-          ./src/Misc/contentHash/externals/linux-x64
-          ./src/Misc/contentHash/dotnetRuntime/linux-x64
-        key: compute-hashes-linux-x64-${{ github.run_id }}-${{ github.run_number }}-${{ github.run_attempt }}
-    - name: Restore cached hashes - linux-arm64
-      id: cache-restore-linux-arm64
-      uses: actions/cache/restore@v3
-      with:
-        enableCrossOsArchive: true
-        path: |
-          ./src/Misc/contentHash/externals/linux-arm64
-          ./src/Misc/contentHash/dotnetRuntime/linux-arm64
-        key: compute-hashes-linux-arm64-${{ github.run_id }}-${{ github.run_number }}-${{ github.run_attempt }}
-    - name: Restore cached hashes - linux-arm
-      id: cache-restore-linux-arm
-      uses: actions/cache/restore@v3
-      with:
-        enableCrossOsArchive: true
-        path: |
-          ./src/Misc/contentHash/externals/linux-arm
-          ./src/Misc/contentHash/dotnetRuntime/linux-arm
-        key: compute-hashes-linux-arm-${{ github.run_id }}-${{ github.run_number }}-${{ github.run_attempt }}
-    - name: Restore cached hashes - osx-x64
-      id: cache-restore-osx-x64
-      uses: actions/cache/restore@v3
-      with:
-        enableCrossOsArchive: true
-        path: |
-          ./src/Misc/contentHash/externals/osx-x64
-          ./src/Misc/contentHash/dotnetRuntime/osx-x64
-        key: compute-hashes-osx-x64-${{ github.run_id }}-${{ github.run_number }}-${{ github.run_attempt }}
-    - name: Restore cached hashes - osx-arm64
-      id: cache-restore-osx-arm64
-      uses: actions/cache/restore@v3
-      with:
-        enableCrossOsArchive: true
-        path: |
-          ./src/Misc/contentHash/externals/osx-arm64
-          ./src/Misc/contentHash/dotnetRuntime/osx-arm64
-        key: compute-hashes-osx-arm64-${{ github.run_id }}-${{ github.run_number }}-${{ github.run_attempt }}
-    - name: Restore cached hashes - win-x64
-      id: cache-restore-win-x64
-      uses: actions/cache/restore@v3
-      with:
-        enableCrossOsArchive: true
-        path: |
-          ./src/Misc/contentHash/externals/win-x64
-          ./src/Misc/contentHash/dotnetRuntime/win-x64
-        key: compute-hashes-win-x64-${{ github.run_id }}-${{ github.run_number }}-${{ github.run_attempt }}
-    - name: Restore cached hashes - win-arm64
-      id: cache-restore-win-arm64
-      uses: actions/cache/restore@v3
-      with:
-        enableCrossOsArchive: true
-        path: |
-          ./src/Misc/contentHash/externals/win-arm64
-          ./src/Misc/contentHash/dotnetRuntime/win-arm64
-        key: compute-hashes-win-arm64-${{ github.run_id }}-${{ github.run_number }}-${{ github.run_attempt }}
-    - name: Fetch cached computed hashes
-      if: steps.cache-restore-linux-x64.outputs.cache-hit == 'true' ||
-          steps.cache-restore-linux-arm64.outputs.cache-hit == 'true' ||
-          steps.cache-restore-linux-arm.outputs.cache-hit == 'true' ||
-          steps.cache-restore-win-x64.outputs.cache-hit == 'true' ||
-          steps.cache-restore-win-arm64.outputs.cache-hit == 'true' ||
-          steps.cache-restore-osx-x64.outputs.cache-hit == 'true' ||
-          steps.cache-restore-osx-arm64.outputs.cache-hit == 'true'
-      shell: bash
-      run: |
-        Environments=( "linux-x64" "linux-arm64" "linux-arm" "win-x64" "win-arm64" "osx-x64" "osx-arm64" )
-
-        git config --global user.name "github-actions[bot]"
-        git config --global user.email "41898282+github-actions[bot]@users.noreply.github.com"
-        git commit -a -m "Update computed hashes"
-        git push --set-upstream origin feature/dotnetsdk-upgrade/${{ needs.build-hashes.outputs.DOTNET_LATEST_MAJOR_MINOR_PATCH_VERSION }}
-
-  create-pr:
-    needs: [hash-update]
-    outputs:
-      # pass outputs from this job to run-tests for use
-      DOTNET_LATEST_MAJOR_MINOR_PATCH_VERSION: ${{ needs.hash-update.outputs.DOTNET_LATEST_MAJOR_MINOR_PATCH_VERSION }}
-      DOTNET_CURRENT_MAJOR_MINOR_VERSION: ${{ needs.hash-update.outputs.DOTNET_CURRENT_MAJOR_MINOR_VERSION }}
-    runs-on: ubuntu-latest
-    steps:
-    - uses: actions/checkout@v3
-      with:
-        ref: feature/dotnetsdk-upgrade/${{ needs.hash-update.outputs.DOTNET_LATEST_MAJOR_MINOR_PATCH_VERSION }}
     - name: Create Pull Request
       env:
         GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
       run: |
-        gh pr create -B main -H feature/dotnetsdk-upgrade/${{ needs.hash-update.outputs.DOTNET_LATEST_MAJOR_MINOR_PATCH_VERSION }} --title "Update dotnet sdk to latest version @${{ needs.hash-update.outputs.DOTNET_LATEST_MAJOR_MINOR_PATCH_VERSION }}" --body "
+        gh pr create -B main -H feature/dotnetsdk-upgrade/${{ needs.dotnet-update.outputs.DOTNET_LATEST_MAJOR_MINOR_PATCH_VERSION }} --title "Update dotnet sdk to latest version @${{ needs.dotnet-update.outputs.DOTNET_LATEST_MAJOR_MINOR_PATCH_VERSION }}" --body "
-          https://dotnetcli.blob.core.windows.net/dotnet/Sdk/${{ needs.hash-update.outputs.DOTNET_CURRENT_MAJOR_MINOR_VERSION }}/latest.version
+          https://dotnetcli.blob.core.windows.net/dotnet/Sdk/${{ needs.dotnet-update.outputs.DOTNET_CURRENT_MAJOR_MINOR_VERSION }}/latest.version
           
             
           ---

.github/workflows/release.yml

@@ -53,27 +53,6 @@ jobs:
       win-arm64-sha: ${{ steps.sha.outputs.win-arm64-sha256 }}
       osx-x64-sha: ${{ steps.sha.outputs.osx-x64-sha256 }}
       osx-arm64-sha: ${{ steps.sha.outputs.osx-arm64-sha256 }}
-      linux-x64-sha-noexternals: ${{ steps.sha_noexternals.outputs.linux-x64-sha256 }}
-      linux-arm64-sha-noexternals: ${{ steps.sha_noexternals.outputs.linux-arm64-sha256 }}
-      linux-arm-sha-noexternals: ${{ steps.sha_noexternals.outputs.linux-arm-sha256 }}
-      win-x64-sha-noexternals: ${{ steps.sha_noexternals.outputs.win-x64-sha256 }}
-      win-arm64-sha-noexternals: ${{ steps.sha_noexternals.outputs.win-arm64-sha256 }}
-      osx-x64-sha-noexternals: ${{ steps.sha_noexternals.outputs.osx-x64-sha256 }}
-      osx-arm64-sha-noexternals: ${{ steps.sha_noexternals.outputs.osx-arm64-sha256 }}
-      linux-x64-sha-noruntime: ${{ steps.sha_noruntime.outputs.linux-x64-sha256 }}
-      linux-arm64-sha-noruntime: ${{ steps.sha_noruntime.outputs.linux-arm64-sha256 }}
-      linux-arm-sha-noruntime: ${{ steps.sha_noruntime.outputs.linux-arm-sha256 }}
-      win-x64-sha-noruntime: ${{ steps.sha_noruntime.outputs.win-x64-sha256 }}
-      win-arm64-sha-noruntime: ${{ steps.sha_noruntime.outputs.win-arm64-sha256 }}
-      osx-x64-sha-noruntime: ${{ steps.sha_noruntime.outputs.osx-x64-sha256 }}
-      osx-arm64-sha-noruntime: ${{ steps.sha_noruntime.outputs.osx-arm64-sha256 }}
-      linux-x64-sha-noruntime-noexternals: ${{ steps.sha_noruntime_noexternals.outputs.linux-x64-sha256 }}
-      linux-arm64-sha-noruntime-noexternals: ${{ steps.sha_noruntime_noexternals.outputs.linux-arm64-sha256 }}
-      linux-arm-sha-noruntime-noexternals: ${{ steps.sha_noruntime_noexternals.outputs.linux-arm-sha256 }}
-      win-x64-sha-noruntime-noexternals: ${{ steps.sha_noruntime_noexternals.outputs.win-x64-sha256 }}
-      win-arm64-sha-noruntime-noexternals: ${{ steps.sha_noruntime_noexternals.outputs.win-arm64-sha256 }}
-      osx-x64-sha-noruntime-noexternals: ${{ steps.sha_noruntime_noexternals.outputs.osx-x64-sha256 }}
-      osx-arm64-sha-noruntime-noexternals: ${{ steps.sha_noruntime_noexternals.outputs.osx-arm64-sha256 }}
     strategy:
       matrix:
         runtime: [ linux-x64, linux-arm64, linux-arm, win-x64, osx-x64, osx-arm64, win-arm64 ]
@@ -136,76 +115,6 @@ jobs:
       id: sha
       name: Compute SHA256
       working-directory: _package
-    - run: |
-        file=$(ls)
-        sha=$(sha256sum $file | awk '{ print $1 }')
-        echo "Computed sha256: $sha for $file"
-        echo "${{matrix.runtime}}-sha256=$sha" >> $GITHUB_OUTPUT
-        echo "sha256=$sha" >> $GITHUB_OUTPUT
-      shell: bash
-      id: sha_noexternals
-      name: Compute SHA256
-      working-directory: _package_trims/trim_externals
-    - run: |
-        file=$(ls)
-        sha=$(sha256sum $file | awk '{ print $1 }')
-        echo "Computed sha256: $sha for $file"
-        echo "${{matrix.runtime}}-sha256=$sha" >> $GITHUB_OUTPUT
-        echo "sha256=$sha" >> $GITHUB_OUTPUT
-      shell: bash
-      id: sha_noruntime
-      name: Compute SHA256
-      working-directory: _package_trims/trim_runtime
-    - run: |
-        file=$(ls)
-        sha=$(sha256sum $file | awk '{ print $1 }')
-        echo "Computed sha256: $sha for $file"
-        echo "${{matrix.runtime}}-sha256=$sha" >> $GITHUB_OUTPUT
-        echo "sha256=$sha" >> $GITHUB_OUTPUT
-      shell: bash
-      id: sha_noruntime_noexternals
-      name: Compute SHA256
-      working-directory: _package_trims/trim_runtime_externals
-
-    - name: Create trimmedpackages.json for ${{ matrix.runtime }}
-      if: matrix.runtime == 'win-x64' || matrix.runtime == 'win-arm64'
-      uses: actions/github-script@0.3.0
-      with:
-        github-token: ${{secrets.GITHUB_TOKEN}}
-        script: |
-          const core = require('@actions/core')
-          const fs = require('fs');
-          const runnerVersion = fs.readFileSync('src/runnerversion', 'utf8').replace(/\n$/g, '')
-          var trimmedPackages = fs.readFileSync('src/Misc/trimmedpackages_zip.json', 'utf8').replace(/<RUNNER_VERSION>/g, runnerVersion).replace(/<RUNNER_PLATFORM>/g, '${{ matrix.runtime }}')
-          trimmedPackages = trimmedPackages.replace(/<RUNTIME_HASH>/g, '${{hashFiles('**/_layout_trims/runtime/**/*')}}')
-          trimmedPackages = trimmedPackages.replace(/<EXTERNALS_HASH>/g, '${{hashFiles('**/_layout_trims/externals/**/*')}}')
-
-          trimmedPackages = trimmedPackages.replace(/<NO_RUNTIME_EXTERNALS_HASH>/g, '${{steps.sha_noruntime_noexternals.outputs.sha256}}')
-          trimmedPackages = trimmedPackages.replace(/<NO_RUNTIME_HASH>/g, '${{steps.sha_noruntime.outputs.sha256}}')
-          trimmedPackages = trimmedPackages.replace(/<NO_EXTERNALS_HASH>/g, '${{steps.sha_noexternals.outputs.sha256}}')
-
-          console.log(trimmedPackages)
-          fs.writeFileSync('${{ matrix.runtime }}-trimmedpackages.json', trimmedPackages)
-
-    - name: Create trimmedpackages.json for ${{ matrix.runtime }}
-      if: matrix.runtime != 'win-x64' && matrix.runtime != 'win-arm64'
-      uses: actions/github-script@0.3.0
-      with:
-        github-token: ${{secrets.GITHUB_TOKEN}}
-        script: |
-          const core = require('@actions/core')
-          const fs = require('fs');
-          const runnerVersion = fs.readFileSync('src/runnerversion', 'utf8').replace(/\n$/g, '')
-          var trimmedPackages = fs.readFileSync('src/Misc/trimmedpackages_targz.json', 'utf8').replace(/<RUNNER_VERSION>/g, runnerVersion).replace(/<RUNNER_PLATFORM>/g, '${{ matrix.runtime }}')
-          trimmedPackages = trimmedPackages.replace(/<RUNTIME_HASH>/g, '${{hashFiles('**/_layout_trims/runtime/**/*')}}')
-          trimmedPackages = trimmedPackages.replace(/<EXTERNALS_HASH>/g, '${{hashFiles('**/_layout_trims/externals/**/*')}}')
-
-          trimmedPackages = trimmedPackages.replace(/<NO_RUNTIME_EXTERNALS_HASH>/g, '${{steps.sha_noruntime_noexternals.outputs.sha256}}')
-          trimmedPackages = trimmedPackages.replace(/<NO_RUNTIME_HASH>/g, '${{steps.sha_noruntime.outputs.sha256}}')
-          trimmedPackages = trimmedPackages.replace(/<NO_EXTERNALS_HASH>/g, '${{steps.sha_noexternals.outputs.sha256}}')
-
-          console.log(trimmedPackages)
-          fs.writeFileSync('${{ matrix.runtime }}-trimmedpackages.json', trimmedPackages)
 
     # Upload runner package tar.gz/zip as artifact.
     # Since each package name is unique, so we don't need to put ${{matrix}} info into artifact name
@@ -216,10 +125,6 @@ jobs:
         name: runner-packages
         path: |
           _package
-          _package_trims/trim_externals
-          _package_trims/trim_runtime
-          _package_trims/trim_runtime_externals
-          ${{ matrix.runtime }}-trimmedpackages.json
 
   release:
     needs: build
@@ -253,33 +158,11 @@ jobs:
           releaseNote = releaseNote.replace(/<LINUX_X64_SHA>/g, '${{needs.build.outputs.linux-x64-sha}}')
           releaseNote = releaseNote.replace(/<LINUX_ARM_SHA>/g, '${{needs.build.outputs.linux-arm-sha}}')
           releaseNote = releaseNote.replace(/<LINUX_ARM64_SHA>/g, '${{needs.build.outputs.linux-arm64-sha}}')
-          releaseNote = releaseNote.replace(/<WIN_X64_SHA_NOEXTERNALS>/g, '${{needs.build.outputs.win-x64-sha-noexternals}}')
-          releaseNote = releaseNote.replace(/<WIN_ARM64_SHA_NOEXTERNALS>/g, '${{needs.build.outputs.win-arm64-sha-noexternals}}')
-          releaseNote = releaseNote.replace(/<OSX_X64_SHA_NOEXTERNALS>/g, '${{needs.build.outputs.osx-x64-sha-noexternals}}')
-          releaseNote = releaseNote.replace(/<OSX_ARM64_SHA_NOEXTERNALS>/g, '${{needs.build.outputs.osx-arm64-sha-noexternals}}')
-          releaseNote = releaseNote.replace(/<LINUX_X64_SHA_NOEXTERNALS>/g, '${{needs.build.outputs.linux-x64-sha-noexternals}}')
-          releaseNote = releaseNote.replace(/<LINUX_ARM_SHA_NOEXTERNALS>/g, '${{needs.build.outputs.linux-arm-sha-noexternals}}')
-          releaseNote = releaseNote.replace(/<LINUX_ARM64_SHA_NOEXTERNALS>/g, '${{needs.build.outputs.linux-arm64-sha-noexternals}}')
-          releaseNote = releaseNote.replace(/<WIN_X64_SHA_NORUNTIME>/g, '${{needs.build.outputs.win-x64-sha-noruntime}}')
-          releaseNote = releaseNote.replace(/<WIN_ARM64_SHA_NORUNTIME>/g, '${{needs.build.outputs.win-arm64-sha-noruntime}}')
-          releaseNote = releaseNote.replace(/<OSX_X64_SHA_NORUNTIME>/g, '${{needs.build.outputs.osx-x64-sha-noruntime}}')
-          releaseNote = releaseNote.replace(/<OSX_ARM64_SHA_NORUNTIME>/g, '${{needs.build.outputs.osx-arm64-sha-noruntime}}')
-          releaseNote = releaseNote.replace(/<LINUX_X64_SHA_NORUNTIME>/g, '${{needs.build.outputs.linux-x64-sha-noruntime}}')
-          releaseNote = releaseNote.replace(/<LINUX_ARM_SHA_NORUNTIME>/g, '${{needs.build.outputs.linux-arm-sha-noruntime}}')
-          releaseNote = releaseNote.replace(/<LINUX_ARM64_SHA_NORUNTIME>/g, '${{needs.build.outputs.linux-arm64-sha-noruntime}}')
-          releaseNote = releaseNote.replace(/<WIN_X64_SHA_NORUNTIME_NOEXTERNALS>/g, '${{needs.build.outputs.win-x64-sha-noruntime-noexternals}}')
-          releaseNote = releaseNote.replace(/<WIN_ARM64_SHA_NORUNTIME_NOEXTERNALS>/g, '${{needs.build.outputs.win-arm64-sha-noruntime-noexternals}}')
-          releaseNote = releaseNote.replace(/<OSX_X64_SHA_NORUNTIME_NOEXTERNALS>/g, '${{needs.build.outputs.osx-x64-sha-noruntime-noexternals}}')
-          releaseNote = releaseNote.replace(/<OSX_ARM64_SHA_NORUNTIME_NOEXTERNALS>/g, '${{needs.build.outputs.osx-arm64-sha-noruntime-noexternals}}')
-          releaseNote = releaseNote.replace(/<LINUX_X64_SHA_NORUNTIME_NOEXTERNALS>/g, '${{needs.build.outputs.linux-x64-sha-noruntime-noexternals}}')
-          releaseNote = releaseNote.replace(/<LINUX_ARM_SHA_NORUNTIME_NOEXTERNALS>/g, '${{needs.build.outputs.linux-arm-sha-noruntime-noexternals}}')
-          releaseNote = releaseNote.replace(/<LINUX_ARM64_SHA_NORUNTIME_NOEXTERNALS>/g, '${{needs.build.outputs.linux-arm64-sha-noruntime-noexternals}}')
           console.log(releaseNote)
           core.setOutput('version', runnerVersion);
           core.setOutput('note', releaseNote);
 
     - name: Validate Packages HASH
-      working-directory: _package
       run: |
         ls -l
         echo "${{needs.build.outputs.win-x64-sha}}  actions-runner-win-x64-${{ steps.releaseNote.outputs.version }}.zip" | shasum -a 256 -c
@@ -309,7 +192,7 @@ jobs:
         GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
       with:
         upload_url: ${{ steps.createRelease.outputs.upload_url }}
-        asset_path: ${{ github.workspace }}/_package/actions-runner-win-x64-${{ steps.releaseNote.outputs.version }}.zip
+        asset_path: ${{ github.workspace }}/actions-runner-win-x64-${{ steps.releaseNote.outputs.version }}.zip
         asset_name: actions-runner-win-x64-${{ steps.releaseNote.outputs.version }}.zip
         asset_content_type: application/octet-stream
 
@@ -319,7 +202,7 @@ jobs:
         GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
       with:
         upload_url: ${{ steps.createRelease.outputs.upload_url }}
-        asset_path: ${{ github.workspace }}/_package/actions-runner-win-arm64-${{ steps.releaseNote.outputs.version }}.zip
+        asset_path: ${{ github.workspace }}/actions-runner-win-arm64-${{ steps.releaseNote.outputs.version }}.zip
         asset_name: actions-runner-win-arm64-${{ steps.releaseNote.outputs.version }}.zip
         asset_content_type: application/octet-stream
 
@@ -329,7 +212,7 @@ jobs:
         GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
       with:
         upload_url: ${{ steps.createRelease.outputs.upload_url }}
-        asset_path: ${{ github.workspace }}/_package/actions-runner-linux-x64-${{ steps.releaseNote.outputs.version }}.tar.gz
+        asset_path: ${{ github.workspace }}/actions-runner-linux-x64-${{ steps.releaseNote.outputs.version }}.tar.gz
         asset_name: actions-runner-linux-x64-${{ steps.releaseNote.outputs.version }}.tar.gz
         asset_content_type: application/octet-stream
 
@@ -339,7 +222,7 @@ jobs:
         GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
       with:
         upload_url: ${{ steps.createRelease.outputs.upload_url }}
-        asset_path: ${{ github.workspace }}/_package/actions-runner-osx-x64-${{ steps.releaseNote.outputs.version }}.tar.gz
+        asset_path: ${{ github.workspace }}/actions-runner-osx-x64-${{ steps.releaseNote.outputs.version }}.tar.gz
         asset_name: actions-runner-osx-x64-${{ steps.releaseNote.outputs.version }}.tar.gz
         asset_content_type: application/octet-stream
 
@@ -349,7 +232,7 @@ jobs:
         GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
       with:
         upload_url: ${{ steps.createRelease.outputs.upload_url }}
-        asset_path: ${{ github.workspace }}/_package/actions-runner-osx-arm64-${{ steps.releaseNote.outputs.version }}.tar.gz
+        asset_path: ${{ github.workspace }}/actions-runner-osx-arm64-${{ steps.releaseNote.outputs.version }}.tar.gz
         asset_name: actions-runner-osx-arm64-${{ steps.releaseNote.outputs.version }}.tar.gz
         asset_content_type: application/octet-stream
 
@@ -359,7 +242,7 @@ jobs:
         GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
       with:
         upload_url: ${{ steps.createRelease.outputs.upload_url }}
-        asset_path: ${{ github.workspace }}/_package/actions-runner-linux-arm-${{ steps.releaseNote.outputs.version }}.tar.gz
+        asset_path: ${{ github.workspace }}/actions-runner-linux-arm-${{ steps.releaseNote.outputs.version }}.tar.gz
         asset_name: actions-runner-linux-arm-${{ steps.releaseNote.outputs.version }}.tar.gz
         asset_content_type: application/octet-stream
 
@@ -369,298 +252,10 @@ jobs:
         GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
       with:
         upload_url: ${{ steps.createRelease.outputs.upload_url }}
-        asset_path: ${{ github.workspace }}/_package/actions-runner-linux-arm64-${{ steps.releaseNote.outputs.version }}.tar.gz
+        asset_path: ${{ github.workspace }}/actions-runner-linux-arm64-${{ steps.releaseNote.outputs.version }}.tar.gz
         asset_name: actions-runner-linux-arm64-${{ steps.releaseNote.outputs.version }}.tar.gz
         asset_content_type: application/octet-stream
 
-    # Upload release assets (trim externals)
-    - name: Upload Release Asset (win-x64-noexternals)
-      uses: actions/upload-release-asset@v1.0.1
-      env:
-        GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
-      with:
-        upload_url: ${{ steps.createRelease.outputs.upload_url }}
-        asset_path: ${{ github.workspace }}/_package_trims/trim_externals/actions-runner-win-x64-${{ steps.releaseNote.outputs.version }}-noexternals.zip
-        asset_name: actions-runner-win-x64-${{ steps.releaseNote.outputs.version }}-noexternals.zip
-        asset_content_type: application/octet-stream
-
-    # Upload release assets (trim externals)
-    - name: Upload Release Asset (win-arm64-noexternals)
-      uses: actions/upload-release-asset@v1.0.1
-      env:
-        GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
-      with:
-        upload_url: ${{ steps.createRelease.outputs.upload_url }}
-        asset_path: ${{ github.workspace }}/_package_trims/trim_externals/actions-runner-win-arm64-${{ steps.releaseNote.outputs.version }}-noexternals.zip
-        asset_name: actions-runner-win-arm64-${{ steps.releaseNote.outputs.version }}-noexternals.zip
-        asset_content_type: application/octet-stream
-
-    - name: Upload Release Asset (linux-x64-noexternals)
-      uses: actions/upload-release-asset@v1.0.1
-      env:
-        GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
-      with:
-        upload_url: ${{ steps.createRelease.outputs.upload_url }}
-        asset_path: ${{ github.workspace }}/_package_trims/trim_externals/actions-runner-linux-x64-${{ steps.releaseNote.outputs.version }}-noexternals.tar.gz
-        asset_name: actions-runner-linux-x64-${{ steps.releaseNote.outputs.version }}-noexternals.tar.gz
-        asset_content_type: application/octet-stream
-
-    - name: Upload Release Asset (osx-x64-noexternals)
-      uses: actions/upload-release-asset@v1.0.1
-      env:
-        GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
-      with:
-        upload_url: ${{ steps.createRelease.outputs.upload_url }}
-        asset_path: ${{ github.workspace }}/_package_trims/trim_externals/actions-runner-osx-x64-${{ steps.releaseNote.outputs.version }}-noexternals.tar.gz
-        asset_name: actions-runner-osx-x64-${{ steps.releaseNote.outputs.version }}-noexternals.tar.gz
-        asset_content_type: application/octet-stream
-
-    - name: Upload Release Asset (osx-arm64-noexternals)
-      uses: actions/upload-release-asset@v1.0.1
-      env:
-        GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
-      with:
-        upload_url: ${{ steps.createRelease.outputs.upload_url }}
-        asset_path: ${{ github.workspace }}/_package_trims/trim_externals/actions-runner-osx-arm64-${{ steps.releaseNote.outputs.version }}-noexternals.tar.gz
-        asset_name: actions-runner-osx-arm64-${{ steps.releaseNote.outputs.version }}-noexternals.tar.gz
-        asset_content_type: application/octet-stream
-
-    - name: Upload Release Asset (linux-arm-noexternals)
-      uses: actions/upload-release-asset@v1.0.1
-      env:
-        GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
-      with:
-        upload_url: ${{ steps.createRelease.outputs.upload_url }}
-        asset_path: ${{ github.workspace }}/_package_trims/trim_externals/actions-runner-linux-arm-${{ steps.releaseNote.outputs.version }}-noexternals.tar.gz
-        asset_name: actions-runner-linux-arm-${{ steps.releaseNote.outputs.version }}-noexternals.tar.gz
-        asset_content_type: application/octet-stream
-
-    - name: Upload Release Asset (linux-arm64-noexternals)
-      uses: actions/upload-release-asset@v1.0.1
-      env:
-        GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
-      with:
-        upload_url: ${{ steps.createRelease.outputs.upload_url }}
-        asset_path: ${{ github.workspace }}/_package_trims/trim_externals/actions-runner-linux-arm64-${{ steps.releaseNote.outputs.version }}-noexternals.tar.gz
-        asset_name: actions-runner-linux-arm64-${{ steps.releaseNote.outputs.version }}-noexternals.tar.gz
-        asset_content_type: application/octet-stream
-
-    # Upload release assets (trim runtime)
-    - name: Upload Release Asset (win-x64-noruntime)
-      uses: actions/upload-release-asset@v1.0.1
-      env:
-        GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
-      with:
-        upload_url: ${{ steps.createRelease.outputs.upload_url }}
-        asset_path: ${{ github.workspace }}/_package_trims/trim_runtime/actions-runner-win-x64-${{ steps.releaseNote.outputs.version }}-noruntime.zip
-        asset_name: actions-runner-win-x64-${{ steps.releaseNote.outputs.version }}-noruntime.zip
-        asset_content_type: application/octet-stream
-
-    # Upload release assets (trim runtime)
-    - name: Upload Release Asset (win-arm64-noruntime)
-      uses: actions/upload-release-asset@v1.0.1
-      env:
-        GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
-      with:
-        upload_url: ${{ steps.createRelease.outputs.upload_url }}
-        asset_path: ${{ github.workspace }}/_package_trims/trim_runtime/actions-runner-win-arm64-${{ steps.releaseNote.outputs.version }}-noruntime.zip
-        asset_name: actions-runner-win-arm64-${{ steps.releaseNote.outputs.version }}-noruntime.zip
-        asset_content_type: application/octet-stream
-
-    - name: Upload Release Asset (linux-x64-noruntime)
-      uses: actions/upload-release-asset@v1.0.1
-      env:
-        GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
-      with:
-        upload_url: ${{ steps.createRelease.outputs.upload_url }}
-        asset_path: ${{ github.workspace }}/_package_trims/trim_runtime/actions-runner-linux-x64-${{ steps.releaseNote.outputs.version }}-noruntime.tar.gz
-        asset_name: actions-runner-linux-x64-${{ steps.releaseNote.outputs.version }}-noruntime.tar.gz
-        asset_content_type: application/octet-stream
-
-    - name: Upload Release Asset (osx-x64-noruntime)
-      uses: actions/upload-release-asset@v1.0.1
-      env:
-        GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
-      with:
-        upload_url: ${{ steps.createRelease.outputs.upload_url }}
-        asset_path: ${{ github.workspace }}/_package_trims/trim_runtime/actions-runner-osx-x64-${{ steps.releaseNote.outputs.version }}-noruntime.tar.gz
-        asset_name: actions-runner-osx-x64-${{ steps.releaseNote.outputs.version }}-noruntime.tar.gz
-        asset_content_type: application/octet-stream
-
-    - name: Upload Release Asset (osx-arm64-noruntime)
-      uses: actions/upload-release-asset@v1.0.1
-      env:
-        GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
-      with:
-        upload_url: ${{ steps.createRelease.outputs.upload_url }}
-        asset_path: ${{ github.workspace }}/_package_trims/trim_runtime/actions-runner-osx-arm64-${{ steps.releaseNote.outputs.version }}-noruntime.tar.gz
-        asset_name: actions-runner-osx-arm64-${{ steps.releaseNote.outputs.version }}-noruntime.tar.gz
-        asset_content_type: application/octet-stream
-
-    - name: Upload Release Asset (linux-arm-noruntime)
-      uses: actions/upload-release-asset@v1.0.1
-      env:
-        GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
-      with:
-        upload_url: ${{ steps.createRelease.outputs.upload_url }}
-        asset_path: ${{ github.workspace }}/_package_trims/trim_runtime/actions-runner-linux-arm-${{ steps.releaseNote.outputs.version }}-noruntime.tar.gz
-        asset_name: actions-runner-linux-arm-${{ steps.releaseNote.outputs.version }}-noruntime.tar.gz
-        asset_content_type: application/octet-stream
-
-    - name: Upload Release Asset (linux-arm64-noruntime)
-      uses: actions/upload-release-asset@v1.0.1
-      env:
-        GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
-      with:
-        upload_url: ${{ steps.createRelease.outputs.upload_url }}
-        asset_path: ${{ github.workspace }}/_package_trims/trim_runtime/actions-runner-linux-arm64-${{ steps.releaseNote.outputs.version }}-noruntime.tar.gz
-        asset_name: actions-runner-linux-arm64-${{ steps.releaseNote.outputs.version }}-noruntime.tar.gz
-        asset_content_type: application/octet-stream
-
-    # Upload release assets (trim runtime and externals)
-    - name: Upload Release Asset (win-x64-noruntime-noexternals)
-      uses: actions/upload-release-asset@v1.0.1
-      env:
-        GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
-      with:
-        upload_url: ${{ steps.createRelease.outputs.upload_url }}
-        asset_path: ${{ github.workspace }}/_package_trims/trim_runtime_externals/actions-runner-win-x64-${{ steps.releaseNote.outputs.version }}-noruntime-noexternals.zip
-        asset_name: actions-runner-win-x64-${{ steps.releaseNote.outputs.version }}-noruntime-noexternals.zip
-        asset_content_type: application/octet-stream
-
-    # Upload release assets (trim runtime and externals)
-    - name: Upload Release Asset (win-arm64-noruntime-noexternals)
-      uses: actions/upload-release-asset@v1.0.1
-      env:
-        GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
-      with:
-        upload_url: ${{ steps.createRelease.outputs.upload_url }}
-        asset_path: ${{ github.workspace }}/_package_trims/trim_runtime_externals/actions-runner-win-arm64-${{ steps.releaseNote.outputs.version }}-noruntime-noexternals.zip
-        asset_name: actions-runner-win-arm64-${{ steps.releaseNote.outputs.version }}-noruntime-noexternals.zip
-        asset_content_type: application/octet-stream
-
-    - name: Upload Release Asset (linux-x64-noruntime-noexternals)
-      uses: actions/upload-release-asset@v1.0.1
-      env:
-        GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
-      with:
-        upload_url: ${{ steps.createRelease.outputs.upload_url }}
-        asset_path: ${{ github.workspace }}/_package_trims/trim_runtime_externals/actions-runner-linux-x64-${{ steps.releaseNote.outputs.version }}-noruntime-noexternals.tar.gz
-        asset_name: actions-runner-linux-x64-${{ steps.releaseNote.outputs.version }}-noruntime-noexternals.tar.gz
-        asset_content_type: application/octet-stream
-
-    - name: Upload Release Asset (osx-x64-noruntime-noexternals)
-      uses: actions/upload-release-asset@v1.0.1
-      env:
-        GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
-      with:
-        upload_url: ${{ steps.createRelease.outputs.upload_url }}
-        asset_path: ${{ github.workspace }}/_package_trims/trim_runtime_externals/actions-runner-osx-x64-${{ steps.releaseNote.outputs.version }}-noruntime-noexternals.tar.gz
-        asset_name: actions-runner-osx-x64-${{ steps.releaseNote.outputs.version }}-noruntime-noexternals.tar.gz
-        asset_content_type: application/octet-stream
-
-    - name: Upload Release Asset (osx-arm64-noruntime-noexternals)
-      uses: actions/upload-release-asset@v1.0.1
-      env:
-        GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
-      with:
-        upload_url: ${{ steps.createRelease.outputs.upload_url }}
-        asset_path: ${{ github.workspace }}/_package_trims/trim_runtime_externals/actions-runner-osx-arm64-${{ steps.releaseNote.outputs.version }}-noruntime-noexternals.tar.gz
-        asset_name: actions-runner-osx-arm64-${{ steps.releaseNote.outputs.version }}-noruntime-noexternals.tar.gz
-        asset_content_type: application/octet-stream
-
-    - name: Upload Release Asset (linux-arm-noruntime-noexternals)
-      uses: actions/upload-release-asset@v1.0.1
-      env:
-        GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
-      with:
-        upload_url: ${{ steps.createRelease.outputs.upload_url }}
-        asset_path: ${{ github.workspace }}/_package_trims/trim_runtime_externals/actions-runner-linux-arm-${{ steps.releaseNote.outputs.version }}-noruntime-noexternals.tar.gz
-        asset_name: actions-runner-linux-arm-${{ steps.releaseNote.outputs.version }}-noruntime-noexternals.tar.gz
-        asset_content_type: application/octet-stream
-
-    - name: Upload Release Asset (linux-arm64-noruntime-noexternals)
-      uses: actions/upload-release-asset@v1.0.1
-      env:
-        GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
-      with:
-        upload_url: ${{ steps.createRelease.outputs.upload_url }}
-        asset_path: ${{ github.workspace }}/_package_trims/trim_runtime_externals/actions-runner-linux-arm64-${{ steps.releaseNote.outputs.version }}-noruntime-noexternals.tar.gz
-        asset_name: actions-runner-linux-arm64-${{ steps.releaseNote.outputs.version }}-noruntime-noexternals.tar.gz
-        asset_content_type: application/octet-stream
-
-    # Upload release assets (trimmedpackages.json)
-    - name: Upload Release Asset (win-x64-trimmedpackages.json)
-      uses: actions/upload-release-asset@v1.0.1
-      env:
-        GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
-      with:
-        upload_url: ${{ steps.createRelease.outputs.upload_url }}
-        asset_path: ${{ github.workspace }}/win-x64-trimmedpackages.json
-        asset_name: actions-runner-win-x64-${{ steps.releaseNote.outputs.version }}-trimmedpackages.json
-        asset_content_type: application/octet-stream
-
-    # Upload release assets (trimmedpackages.json)
-    - name: Upload Release Asset (win-arm64-trimmedpackages.json)
-      uses: actions/upload-release-asset@v1.0.1
-      env:
-        GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
-      with:
-        upload_url: ${{ steps.createRelease.outputs.upload_url }}
-        asset_path: ${{ github.workspace }}/win-arm64-trimmedpackages.json
-        asset_name: actions-runner-win-arm64-${{ steps.releaseNote.outputs.version }}-trimmedpackages.json
-        asset_content_type: application/octet-stream
-
-    - name: Upload Release Asset (linux-x64-trimmedpackages.json)
-      uses: actions/upload-release-asset@v1.0.1
-      env:
-        GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
-      with:
-        upload_url: ${{ steps.createRelease.outputs.upload_url }}
-        asset_path: ${{ github.workspace }}/linux-x64-trimmedpackages.json
-        asset_name: actions-runner-linux-x64-${{ steps.releaseNote.outputs.version }}-trimmedpackages.json
-        asset_content_type: application/octet-stream
-
-    - name: Upload Release Asset (osx-x64-trimmedpackages.json)
-      uses: actions/upload-release-asset@v1.0.1
-      env:
-        GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
-      with:
-        upload_url: ${{ steps.createRelease.outputs.upload_url }}
-        asset_path: ${{ github.workspace }}/osx-x64-trimmedpackages.json
-        asset_name: actions-runner-osx-x64-${{ steps.releaseNote.outputs.version }}-trimmedpackages.json
-        asset_content_type: application/octet-stream
-
-    - name: Upload Release Asset (osx-arm64-trimmedpackages.json)
-      uses: actions/upload-release-asset@v1.0.1
-      env:
-        GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
-      with:
-        upload_url: ${{ steps.createRelease.outputs.upload_url }}
-        asset_path: ${{ github.workspace }}/osx-arm64-trimmedpackages.json
-        asset_name: actions-runner-osx-arm64-${{ steps.releaseNote.outputs.version }}-trimmedpackages.json
-        asset_content_type: application/octet-stream
-
-    - name: Upload Release Asset (linux-arm-trimmedpackages.json)
-      uses: actions/upload-release-asset@v1.0.1
-      env:
-        GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
-      with:
-        upload_url: ${{ steps.createRelease.outputs.upload_url }}
-        asset_path: ${{ github.workspace }}/linux-arm-trimmedpackages.json
-        asset_name: actions-runner-linux-arm-${{ steps.releaseNote.outputs.version }}-trimmedpackages.json
-        asset_content_type: application/octet-stream
-
-    - name: Upload Release Asset (linux-arm64-trimmedpackages.json)
-      uses: actions/upload-release-asset@v1.0.1
-      env:
-        GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
-      with:
-        upload_url: ${{ steps.createRelease.outputs.upload_url }}
-        asset_path: ${{ github.workspace }}/linux-arm64-trimmedpackages.json
-        asset_name: actions-runner-linux-arm64-${{ steps.releaseNote.outputs.version }}-trimmedpackages.json
-        asset_content_type: application/octet-stream
-
   publish-image:
     needs: release
     runs-on: ubuntu-latest

docs/checks/actions.md

@@ -7,8 +7,10 @@ Make sure the runner has access to actions service for GitHub.com or GitHub Ente
 
 - For GitHub.com
   - The runner needs to access `https://api.github.com` for downloading actions.
+  - The runner needs to access `https://codeload.github.com` for downloading actions tar.gz/zip.
   - The runner needs to access `https://vstoken.actions.githubusercontent.com/_apis/.../` for requesting an access token.
   - The runner needs to access `https://pipelines.actions.githubusercontent.com/_apis/.../` for receiving workflow jobs.
+  - The runner needs to access `https://results-receiver.actions.githubusercontent.com/.../` for reporting progress and uploading logs during a workflow job execution.
   ---
   **NOTE:** for the full list of domains that are required to be in the firewall allow list refer to the [GitHub self-hosted runners requirements documentation](https://docs.github.com/en/actions/hosting-your-own-runners/managing-self-hosted-runners/about-self-hosted-runners#communication-between-self-hosted-runners-and-github).
 
@@ -16,12 +18,15 @@ Make sure the runner has access to actions service for GitHub.com or GitHub Ente
 
     ```
     curl -v https://api.github.com/zen
+    curl -v https://codeload.github.com/_ping
     curl -v https://vstoken.actions.githubusercontent.com/_apis/health
     curl -v https://pipelines.actions.githubusercontent.com/_apis/health
+    curl -v https://results-receiver.actions.githubusercontent.com/health
     ```
 
 - For GitHub Enterprise Server
   - The runner needs to access `https://[hostname]/api/v3` for downloading actions.
+  - The runner needs to access `https://codeload.[hostname]/_ping` for downloading actions tar.gz/zip.
   - The runner needs to access `https://[hostname]/_services/vstoken/_apis/.../` for requesting an access token.
   - The runner needs to access `https://[hostname]/_services/pipelines/_apis/.../` for receiving workflow jobs.
   
@@ -29,6 +34,7 @@ Make sure the runner has access to actions service for GitHub.com or GitHub Ente
 
     ```
     curl -v https://[hostname]/api/v3/zen
+    curl -v https://codeload.[hostname]/_ping
     curl -v https://[hostname]/_services/vstoken/_apis/health
     curl -v https://[hostname]/_services/pipelines/_apis/health
     ```
@@ -44,6 +50,10 @@ Make sure the runner has access to actions service for GitHub.com or GitHub Ente
 - Ping api.github.com or myGHES.com using dotnet
 - Make HTTP GET to https://api.github.com or https://myGHES.com/api/v3 using dotnet, check response headers contains `X-GitHub-Request-Id`
 ---
+- DNS lookup for codeload.github.com or codeload.myGHES.com using dotnet
+- Ping codeload.github.com or codeload.myGHES.com using dotnet
+- Make HTTP GET to https://codeload.github.com/_ping or https://codeload.myGHES.com/_ping using dotnet, check response headers contains `X-GitHub-Request-Id`
+---
 - DNS lookup for vstoken.actions.githubusercontent.com using dotnet
 - Ping vstoken.actions.githubusercontent.com using dotnet
 - Make HTTP GET to https://vstoken.actions.githubusercontent.com/_apis/health or https://myGHES.com/_services/vstoken/_apis/health using dotnet, check response headers contains `x-vss-e2eid`
@@ -52,6 +62,10 @@ Make sure the runner has access to actions service for GitHub.com or GitHub Ente
 - Ping pipelines.actions.githubusercontent.com using dotnet
 - Make HTTP GET to https://pipelines.actions.githubusercontent.com/_apis/health or https://myGHES.com/_services/pipelines/_apis/health using dotnet, check response headers contains `x-vss-e2eid`
 - Make HTTP POST to https://pipelines.actions.githubusercontent.com/_apis/health or https://myGHES.com/_services/pipelines/_apis/health using dotnet, check response headers contains `x-vss-e2eid`
+---
+- DNS lookup for results-receiver.actions.githubusercontent.com using dotnet
+- Ping results-receiver.actions.githubusercontent.com using dotnet
+- Make HTTP GET to https://results-receiver.actions.githubusercontent.com/health using dotnet, check response headers contains `X-GitHub-Request-Id`
 
 ## How to fix the issue?
 

docs/checks/network.md

@@ -42,6 +42,7 @@ If you are having trouble connecting, try these steps:
       - https://api.github.com/
       - https://vstoken.actions.githubusercontent.com/_apis/health
       - https://pipelines.actions.githubusercontent.com/_apis/health
+      - https://results-receiver.actions.githubusercontent.com/health
     - For GHES/GHAE
       - https://myGHES.com/_services/vstoken/_apis/health
       - https://myGHES.com/_services/pipelines/_apis/health

docs/checks/nodejs.md

@@ -4,9 +4,9 @@
 
 Make sure the built-in node.js has access to GitHub.com or GitHub Enterprise Server.
 
-The runner carries its own copy of node.js executable under `<runner_root>/externals/node20/`.
+The runner carries its own copy of node.js executable under `<runner_root>/externals/node16/`.
 
-All javascript base Actions will get executed by the built-in `node` at `<runner_root>/externals/node20/`.
+All javascript base Actions will get executed by the built-in `node` at `<runner_root>/externals/node16/`.
 
 > Not the `node` from `$PATH`
 

docs/start/envlinux.md

@@ -5,9 +5,9 @@
 ## Supported Distributions and Versions
 
 x64
-  - Red Hat Enterprise Linux 7
+  - Red Hat Enterprise Linux 7+
-  - CentOS 7
+  - CentOS 7+
-  - Oracle Linux 7
+  - Oracle Linux 7+
   - Fedora 29+
   - Debian 9+
   - Ubuntu 16.04+

images/Dockerfile

@@ -4,8 +4,9 @@ FROM mcr.microsoft.com/dotnet/runtime-deps:6.0-jammy as build
 ARG TARGETOS
 ARG TARGETARCH
 ARG RUNNER_VERSION
-ARG RUNNER_CONTAINER_HOOKS_VERSION=0.4.0
+ARG RUNNER_CONTAINER_HOOKS_VERSION=0.6.0
-ARG DOCKER_VERSION=24.0.6
+ARG DOCKER_VERSION=25.0.5
+ARG BUILDX_VERSION=0.13.2
 
 RUN apt update -y && apt install curl unzip -y
 
@@ -25,20 +26,28 @@ RUN export RUNNER_ARCH=${TARGETARCH} \
     && if [ "$RUNNER_ARCH" = "arm64" ]; then export DOCKER_ARCH=aarch64 ; fi \
     && curl -fLo docker.tgz https://download.docker.com/${TARGETOS}/static/stable/${DOCKER_ARCH}/docker-${DOCKER_VERSION}.tgz \
     && tar zxvf docker.tgz \
-    && rm -rf docker.tgz
+    && rm -rf docker.tgz \
+    && mkdir -p /usr/local/lib/docker/cli-plugins \
+    && curl -fLo /usr/local/lib/docker/cli-plugins/docker-buildx \
+        "https://github.com/docker/buildx/releases/download/v${BUILDX_VERSION}/buildx-v${BUILDX_VERSION}.linux-${TARGETARCH}" \
+    && chmod +x /usr/local/lib/docker/cli-plugins/docker-buildx
 
 FROM mcr.microsoft.com/dotnet/runtime-deps:6.0-jammy
 
 ENV DEBIAN_FRONTEND=noninteractive
 ENV RUNNER_MANUALLY_TRAP_SIG=1
 ENV ACTIONS_RUNNER_PRINT_LOG_TO_STDOUT=1
+ENV ImageOS=ubuntu22
 
-RUN apt-get update -y \
+# 'gpg-agent' and 'software-properties-common' are needed for the 'add-apt-repository' command that follows
-    && apt-get install -y --no-install-recommends \
+RUN apt update -y \
-    sudo \
+    && apt install -y --no-install-recommends sudo lsb-release gpg-agent software-properties-common \
-    lsb-release \
     && rm -rf /var/lib/apt/lists/*
 
+# Configure git-core/ppa based on guidance here:  https://git-scm.com/download/linux
+RUN add-apt-repository ppa:git-core/ppa \
+    && apt update -y
+
 RUN adduser --disabled-password --gecos "" --uid 1001 runner \
     && groupadd docker --gid 123 \
     && usermod -aG sudo runner \
@@ -49,6 +58,7 @@ RUN adduser --disabled-password --gecos "" --uid 1001 runner \
 WORKDIR /home/runner
 
 COPY --chown=runner:docker --from=build /actions-runner .
+COPY --from=build /usr/local/lib/docker/cli-plugins/docker-buildx /usr/local/lib/docker/cli-plugins/docker-buildx
 
 RUN install -o root -g root -m 755 docker/* /usr/bin/ && rm -rf docker
 

releaseNote.md

@@ -1,54 +1,24 @@
 ## What's Changed
-* Prepare runner release 2.309.0 by @johnsudol in https://github.com/actions/runner/pull/2833
-* remove debug-only flag from stale bot action by @ruvceskistefan in https://github.com/actions/runner/pull/2834
-* Calculate docker instance label based on the hash of the config by @nikola-jokic in https://github.com/actions/runner/pull/2683
-* Correcting `zen` address by @Pantelis-Santorinios in https://github.com/actions/runner/pull/2855
-* Update dotnet sdk to latest version @6.0.414 by @github-actions in https://github.com/actions/runner/pull/2852
-* Bump @typescript-eslint/parser from 6.4.1 to 6.7.0 in /src/Misc/expressionFunc/hashFiles by @dependabot in https://github.com/actions/runner/pull/2845
-* Bump @types/node from 20.5.6 to 20.6.2 in /src/Misc/expressionFunc/hashFiles by @dependabot in https://github.com/actions/runner/pull/2854
-* Bump eslint-plugin-github from 4.9.2 to 4.10.0 in /src/Misc/expressionFunc/hashFiles by @dependabot in https://github.com/actions/runner/pull/2808
-* Bump @typescript-eslint/parser from 6.7.0 to 6.7.2 in /src/Misc/expressionFunc/hashFiles by @dependabot in https://github.com/actions/runner/pull/2858
-* Bump prettier from 3.0.2 to 3.0.3 in /src/Misc/expressionFunc/hashFiles by @dependabot in https://github.com/actions/runner/pull/2860
-* Bump @vercel/ncc from 0.36.1 to 0.38.0 in /src/Misc/expressionFunc/hashFiles by @dependabot in https://github.com/actions/runner/pull/2859
-* Bump @typescript-eslint/eslint-plugin from 6.4.1 to 6.7.2 in /src/Misc/expressionFunc/hashFiles by @dependabot in https://github.com/actions/runner/pull/2861
-* Remove unused code in AgentManager. by @TingluoHuang in https://github.com/actions/runner/pull/2866
-* GetAgents from all runner groups durning config. by @TingluoHuang in https://github.com/actions/runner/pull/2865
-* Change alpine from vst blobs to OSS gha alpine build by @vanZeben in https://github.com/actions/runner/pull/2871
-* Bump node 16 to v16.20.2 by @vanZeben in https://github.com/actions/runner/pull/2872
-* Bump directly dotnet vulnerable packages by @nikola-jokic in https://github.com/actions/runner/pull/2870
-* Fix ArgumentOutOfRangeException in PowerShellPostAmpersandEscape. by @TingluoHuang in https://github.com/actions/runner/pull/2875
-* bump container hook version in runner image by @nikola-jokic in https://github.com/actions/runner/pull/2881
-* Use `Directory.EnumerateFiles` instead of `Directory.GetFiles` in WhichUtil. by @TingluoHuang in https://github.com/actions/runner/pull/2882
-* Add warning about node16 deprecation by @takost in https://github.com/actions/runner/pull/2887
-* Throw TimeoutException instead of OperationCanceledException on the final retry in DownloadRepositoryAction by @TingluoHuang in https://github.com/actions/runner/pull/2895
-* Update message when runners are deleted by @thboop in https://github.com/actions/runner/pull/2896
-* Do not give up if Results is powering logs by @yacaovsnc in https://github.com/actions/runner/pull/2893
-* Allow use action archive cache to speed up workflow jobs. by @TingluoHuang in https://github.com/actions/runner/pull/2857
-* Upgrade docker engine to 24.0.6 in the runner container image by @Link- in https://github.com/actions/runner/pull/2886
-* Collect telemetry to measure upload speed for different backend. by @TingluoHuang in https://github.com/actions/runner/pull/2912
-* Use RawHttpMessageHandler and VssHttpRetryMessageHandler in ResultsHttpClient by @yacaovsnc in https://github.com/actions/runner/pull/2908
-* Retries to lock Services database on Windows by @sugymt in https://github.com/actions/runner/pull/2880
-* Update default version to node20 by @takost in https://github.com/actions/runner/pull/2844
-* Fixed Attempt typo by @corycalahan in https://github.com/actions/runner/pull/2849
-* Fix typo by @rajbos in https://github.com/actions/runner/pull/2670
 
-## New Contributors
+- Do not give up when uploading steps metadata by @yacaovsnc in https://github.com/actions/runner/pull/3280
-* @Pantelis-Santorinios made their first contribution in https://github.com/actions/runner/pull/2855
+- Upgrade node20 to 20.13.1 by @pje in https://github.com/actions/runner/pull/3284
-* @github-actions made their first contribution in https://github.com/actions/runner/pull/2852
+- Delete all the contentHash files by @pje in https://github.com/actions/runner/pull/3285
-* @sugymt made their first contribution in https://github.com/actions/runner/pull/2880
+- Make it easy to install `git` on an Action Runner Image by @jww3 in https://github.com/actions/runner/pull/3273
-* @corycalahan made their first contribution in https://github.com/actions/runner/pull/2849
+- Install `gpg-agent` during actions/runner container image build by @jww3 in https://github.com/actions/runner/pull/3294
 
-**Full Changelog**: https://github.com/actions/runner/compare/v2.309.0...v2.310.0
+**Full Changelog**: https://github.com/actions/runner/compare/v2.316.1...v2.317.0
 
-_Note: Actions Runner follows a progressive release policy, so the latest release might not be available to your enterprise, organization, or repository yet. 
+_Note: Actions Runner follows a progressive release policy, so the latest release might not be available to your enterprise, organization, or repository yet.
-To confirm which version of the Actions Runner you should expect, please view the download instructions for your enterprise, organization, or repository. 
+To confirm which version of the Actions Runner you should expect, please view the download instructions for your enterprise, organization, or repository.
 See https://docs.github.com/en/enterprise-cloud@latest/actions/hosting-your-own-runners/adding-self-hosted-runners_
 
 ## Windows x64
+
 We recommend configuring the runner in a root folder of the Windows drive (e.g. "C:\actions-runner"). This will help avoid issues related to service identity folder permissions and long file path restrictions on Windows.
 
 The following snipped needs to be run on `powershell`:
-``` powershell
+
+```powershell
 # Create a folder under the drive root
 mkdir \actions-runner ; cd \actions-runner
 # Download the latest runner package
@@ -59,12 +29,14 @@ Add-Type -AssemblyName System.IO.Compression.FileSystem ;
 ```
 
 ## [Pre-release] Windows arm64
+
 **Warning:** Windows arm64 runners are currently in preview status and use [unofficial versions of nodejs](https://unofficial-builds.nodejs.org/). They are not intended for production workflows.
 
 We recommend configuring the runner in a root folder of the Windows drive (e.g. "C:\actions-runner"). This will help avoid issues related to service identity folder permissions and long file path restrictions on Windows.
 
 The following snipped needs to be run on `powershell`:
-``` powershell
+
+```powershell
 # Create a folder under the drive root
 mkdir \actions-runner ; cd \actions-runner
 # Download the latest runner package
@@ -76,7 +48,7 @@ Add-Type -AssemblyName System.IO.Compression.FileSystem ;
 
 ## OSX x64
 
-``` bash
+```bash
 # Create a folder
 mkdir actions-runner && cd actions-runner
 # Download the latest runner package
@@ -87,7 +59,7 @@ tar xzf ./actions-runner-osx-x64-<RUNNER_VERSION>.tar.gz
 
 ## OSX arm64 (Apple silicon)
 
-``` bash
+```bash
 # Create a folder
 mkdir actions-runner && cd actions-runner
 # Download the latest runner package
@@ -98,7 +70,7 @@ tar xzf ./actions-runner-osx-arm64-<RUNNER_VERSION>.tar.gz
 
 ## Linux x64
 
-``` bash
+```bash
 # Create a folder
 mkdir actions-runner && cd actions-runner
 # Download the latest runner package
@@ -109,7 +81,7 @@ tar xzf ./actions-runner-linux-x64-<RUNNER_VERSION>.tar.gz
 
 ## Linux arm64
 
-``` bash
+```bash
 # Create a folder
 mkdir actions-runner && cd actions-runner
 # Download the latest runner package
@@ -120,7 +92,7 @@ tar xzf ./actions-runner-linux-arm64-<RUNNER_VERSION>.tar.gz
 
 ## Linux arm
 
-``` bash
+```bash
 # Create a folder
 mkdir actions-runner && cd actions-runner
 # Download the latest runner package
@@ -130,6 +102,7 @@ tar xzf ./actions-runner-linux-arm-<RUNNER_VERSION>.tar.gz
 ```
 
 ## Using your self hosted runner
+
 For additional details about configuring, running, or shutting down the runner please check out our [product docs.](https://help.github.com/en/actions/automating-your-workflow-with-github-actions/adding-self-hosted-runners)
 
 ## SHA-256 Checksums
@@ -143,27 +116,3 @@ The SHA-256 checksums for the packages included in this build are shown below:
 - actions-runner-linux-x64-<RUNNER_VERSION>.tar.gz <!-- BEGIN SHA linux-x64 --><LINUX_X64_SHA><!-- END SHA linux-x64 -->
 - actions-runner-linux-arm64-<RUNNER_VERSION>.tar.gz <!-- BEGIN SHA linux-arm64 --><LINUX_ARM64_SHA><!-- END SHA linux-arm64 -->
 - actions-runner-linux-arm-<RUNNER_VERSION>.tar.gz <!-- BEGIN SHA linux-arm --><LINUX_ARM_SHA><!-- END SHA linux-arm -->
-
-- actions-runner-win-x64-<RUNNER_VERSION>-noexternals.zip <!-- BEGIN SHA win-x64_noexternals --><WIN_X64_SHA_NOEXTERNALS><!-- END SHA win-x64_noexternals -->
-- actions-runner-win-arm64-<RUNNER_VERSION>-noexternals.zip <!-- BEGIN SHA win-arm64_noexternals --><WIN_ARM64_SHA_NOEXTERNALS><!-- END SHA win-arm64_noexternals -->
-- actions-runner-osx-x64-<RUNNER_VERSION>-noexternals.tar.gz <!-- BEGIN SHA osx-x64_noexternals --><OSX_X64_SHA_NOEXTERNALS><!-- END SHA osx-x64_noexternals -->
-- actions-runner-osx-arm64-<RUNNER_VERSION>-noexternals.tar.gz <!-- BEGIN SHA osx-arm64_noexternals --><OSX_ARM64_SHA_NOEXTERNALS><!-- END SHA osx-arm64_noexternals -->
-- actions-runner-linux-x64-<RUNNER_VERSION>-noexternals.tar.gz <!-- BEGIN SHA linux-x64_noexternals --><LINUX_X64_SHA_NOEXTERNALS><!-- END SHA linux-x64_noexternals -->
-- actions-runner-linux-arm64-<RUNNER_VERSION>-noexternals.tar.gz <!-- BEGIN SHA linux-arm64_noexternals --><LINUX_ARM64_SHA_NOEXTERNALS><!-- END SHA linux-arm64_noexternals -->
-- actions-runner-linux-arm-<RUNNER_VERSION>-noexternals.tar.gz <!-- BEGIN SHA linux-arm_noexternals --><LINUX_ARM_SHA_NOEXTERNALS><!-- END SHA linux-arm_noexternals -->
-
-- actions-runner-win-x64-<RUNNER_VERSION>-noruntime.zip <!-- BEGIN SHA win-x64_noruntime --><WIN_X64_SHA_NORUNTIME><!-- END SHA win-x64_noruntime -->
-- actions-runner-win-arm64-<RUNNER_VERSION>-noruntime.zip <!-- BEGIN SHA win-arm64_noruntime --><WIN_ARM64_SHA_NORUNTIME><!-- END SHA win-arm64_noruntime -->
-- actions-runner-osx-x64-<RUNNER_VERSION>-noruntime.tar.gz <!-- BEGIN SHA osx-x64_noruntime --><OSX_X64_SHA_NORUNTIME><!-- END SHA osx-x64_noruntime -->
-- actions-runner-osx-arm64-<RUNNER_VERSION>-noruntime.tar.gz <!-- BEGIN SHA osx-arm64_noruntime --><OSX_ARM64_SHA_NORUNTIME><!-- END SHA osx-arm64_noruntime -->
-- actions-runner-linux-x64-<RUNNER_VERSION>-noruntime.tar.gz <!-- BEGIN SHA linux-x64_noruntime --><LINUX_X64_SHA_NORUNTIME><!-- END SHA linux-x64_noruntime -->
-- actions-runner-linux-arm64-<RUNNER_VERSION>-noruntime.tar.gz <!-- BEGIN SHA linux-arm64_noruntime --><LINUX_ARM64_SHA_NORUNTIME><!-- END SHA linux-arm64_noruntime -->
-- actions-runner-linux-arm-<RUNNER_VERSION>-noruntime.tar.gz <!-- BEGIN SHA linux-arm_noruntime --><LINUX_ARM_SHA_NORUNTIME><!-- END SHA linux-arm_noruntime -->
-
-- actions-runner-win-x64-<RUNNER_VERSION>-noruntime-noexternals.zip <!-- BEGIN SHA win-x64_noruntime_noexternals --><WIN_X64_SHA_NORUNTIME_NOEXTERNALS><!-- END SHA win-x64_noruntime_noexternals -->
-- actions-runner-win-arm64-<RUNNER_VERSION>-noruntime-noexternals.zip <!-- BEGIN SHA win-arm64_noruntime_noexternals --><WIN_ARM64_SHA_NORUNTIME_NOEXTERNALS><!-- END SHA win-arm64_noruntime_noexternals -->
-- actions-runner-osx-x64-<RUNNER_VERSION>-noruntime-noexternals.tar.gz <!-- BEGIN SHA osx-x64_noruntime_noexternals --><OSX_X64_SHA_NORUNTIME_NOEXTERNALS><!-- END SHA osx-x64_noruntime_noexternals -->
-- actions-runner-osx-arm64-<RUNNER_VERSION>-noruntime-noexternals.tar.gz <!-- BEGIN SHA osx-arm64_noruntime_noexternals --><OSX_ARM64_SHA_NORUNTIME_NOEXTERNALS><!-- END SHA osx-arm64_noruntime_noexternals -->
-- actions-runner-linux-x64-<RUNNER_VERSION>-noruntime-noexternals.tar.gz <!-- BEGIN SHA linux-x64_noruntime_noexternals --><LINUX_X64_SHA_NORUNTIME_NOEXTERNALS><!-- END SHA linux-x64_noruntime_noexternals -->
-- actions-runner-linux-arm64-<RUNNER_VERSION>-noruntime-noexternals.tar.gz <!-- BEGIN SHA linux-arm64_noruntime_noexternals --><LINUX_ARM64_SHA_NORUNTIME_NOEXTERNALS><!-- END SHA linux-arm64_noruntime_noexternals -->
-- actions-runner-linux-arm-<RUNNER_VERSION>-noruntime-noexternals.tar.gz <!-- BEGIN SHA linux-arm_noruntime_noexternals --><LINUX_ARM_SHA_NORUNTIME_NOEXTERNALS><!-- END SHA linux-arm_noruntime_noexternals -->

scripts/create-latest-svc.sh

@@ -8,7 +8,7 @@ set -e
 # Configures it as a service more secure
 # Should be used on VMs and not containers
 # Works on OSX and Linux
-# Assumes x64 arch
+# Assumes x64 arch (support arm64)
 # See EXAMPLES below
 
 flags_found=false
@@ -87,6 +87,9 @@ sudo echo
 runner_plat=linux
 [ ! -z "$(which sw_vers)" ] && runner_plat=osx;
 
+runner_arch=x64
+[ ! -z "$(arch | grep arm64)" ] && runner_arch=arm64
+
 function fatal()
 {
    echo "error: $1" >&2
@@ -139,7 +142,7 @@ echo "Downloading latest runner ..."
 # For the GHES Alpha, download the runner from github.com
 latest_version_label=$(curl -s -X GET 'https://api.github.com/repos/actions/runner/releases/latest' | jq -r '.tag_name')
 latest_version=$(echo ${latest_version_label:1})
-runner_file="actions-runner-${runner_plat}-x64-${latest_version}.tar.gz"
+runner_file="actions-runner-${runner_plat}-${runner_arch}-${latest_version}.tar.gz"
 
 if [ -f "${runner_file}" ]; then
     echo "${runner_file} exists. skipping download."

src/Misc/contentHash/dotnetRuntime/linux-arm

@@ -1 +0,0 @@
-7539d33c35b0bc94ee67e3c0de1a6bac5ef89ce8e8efaa110131fa0520a54fb4

src/Misc/contentHash/dotnetRuntime/linux-arm64

@@ -1 +0,0 @@
-d71a31f9a17e1a41d6e1edea596edfa68a0db5948ed160e86f2154a547f4dd10

src/Misc/contentHash/dotnetRuntime/linux-x64

@@ -1 +0,0 @@
-3c2f700d8a995efe7895614ee07d9c7880f872d214b45983ad6163e1931870ab

src/Misc/contentHash/dotnetRuntime/osx-arm64

@@ -1 +0,0 @@
-b2d85c95ecad13d352f4c7d31c64dbb0d9c6381b48fa5874c4c72a43a025a8a1

src/Misc/contentHash/dotnetRuntime/osx-x64

@@ -1 +0,0 @@
-417d835c1a108619886b4bb5d25988cb6c138eb7b4c00320b1d9455c5630bff9

src/Misc/contentHash/dotnetRuntime/win-arm64

@@ -1 +0,0 @@
-8f35aaecfb53426ea10816442e23065142bab9dd0fb712a29e0fc471d13c44ac

src/Misc/contentHash/dotnetRuntime/win-x64

@@ -1 +0,0 @@
-811c7debdfc54d074385b063b83c997e5360c8a9160cd20fe777713968370063

src/Misc/contentHash/externals/linux-arm

@@ -1 +0,0 @@
-97cbac637d592d3a5d20f6cd91a3afaf5257995c7f6fdc73ab1b5a3a464e4382

src/Misc/contentHash/externals/linux-arm64

@@ -1 +0,0 @@
-25eaf1d30e72a521414384c24b7474037698325c233503671eceaacf6a56c6bd

src/Misc/contentHash/externals/linux-x64

@@ -1 +0,0 @@
-93865f08e52e0fb0fe0119dca2363f221fbe10af5bd932a0fc3df999143a7f81

src/Misc/contentHash/externals/osx-arm64

@@ -1 +0,0 @@
-2574465a73ef1de75cd01da9232a96d4b6e9a0090e368978ff48d0629137610b

src/Misc/contentHash/externals/osx-x64

@@ -1 +0,0 @@
-ac60e452c01d99e23e696cc984f8e08b2602b649a370fc3ef1451f3958f2df0f

src/Misc/contentHash/externals/win-arm64

@@ -1 +0,0 @@
-763d18de11c11fd299c0e75e98fefc8a0e6605ae0ad6aba3bbc110db2262ab41

src/Misc/contentHash/externals/win-x64

@@ -1 +0,0 @@
-c7e94c3c73ccebf214497c5ae2b6aac6eb6677c0d2080929b0a87c576c6f3858

src/Misc/externals.sh

@@ -5,10 +5,11 @@ PRECACHE=$2
 NODE_URL=https://nodejs.org/dist
 UNOFFICIAL_NODE_URL=https://unofficial-builds.nodejs.org/download/release
 NODE_ALPINE_URL=https://github.com/actions/alpine_nodejs/releases/download
+# When you update Node versions you must also create a new release of alpine_nodejs at that updated version.
+# Follow the instructions here: https://github.com/actions/alpine_nodejs?tab=readme-ov-file#getting-started
 NODE16_VERSION="16.20.2"
-NODE20_VERSION="20.5.0"
+NODE20_VERSION="20.13.1"
-# used only for win-arm64, remove node16 unofficial version when official version is available
+NODE16_UNOFFICIAL_VERSION="16.20.0" # used only for win-arm64, remove node16 unofficial version when official version is available
-NODE16_UNOFFICIAL_VERSION="16.20.0"
 
 get_abs_path() {
   # exploits the fact that pwd will print abs path when no args
@@ -63,17 +64,16 @@ function acquireExternalTool() {
             echo "Curl version: $CURL_VERSION"
 
             # curl -f Fail silently (no output at all) on HTTP errors (H)
-            #      -k Allow connections to SSL sites without certs (H)
             #      -S Show error. With -s, make curl show errors when they occur
             #      -L Follow redirects (H)
             #      -o FILE    Write to FILE instead of stdout
             #      --retry 3   Retries transient errors 3 times (timeouts, 5xx)
             if [[ "$(printf '%s\n' "7.71.0" "$CURL_VERSION" | sort -V | head -n1)" != "7.71.0" ]]; then
                 # Curl version is less than or equal to 7.71.0, skipping retry-all-errors flag
-                 curl -fkSL --retry 3 -o "$partial_target" "$download_source" 2>"${download_target}_download.log" || checkRC 'curl'
+                 curl -fSL --retry 3 -o "$partial_target" "$download_source" 2>"${download_target}_download.log" || checkRC 'curl'
             else
                 # Curl version is greater than 7.71.0, running curl with --retry-all-errors flag
-                 curl -fkSL --retry 3 --retry-all-errors -o "$partial_target" "$download_source" 2>"${download_target}_download.log" || checkRC 'curl'
+                 curl -fSL --retry 3 --retry-all-errors -o "$partial_target" "$download_source" 2>"${download_target}_download.log" || checkRC 'curl'
             fi
 
             # Move the partial file to the download target.

src/Misc/layoutbin/RunnerService.js

@@ -114,6 +114,11 @@ var runService = function () {
             );
             stopping = true;
           }
+        } else if (code === 5) {
+          console.log(
+            "Runner listener exit with Session Conflict error, stop the service, no retry needed."
+          );
+          stopping = true;
         } else {
           var messagePrefix = "Runner listener exit with undefined return code";
           unknownFailureRetryCount++;

src/Misc/layoutbin/runsvc.sh

@@ -10,7 +10,7 @@ if [ -f ".path" ]; then
     echo ".path=${PATH}"
 fi
 
-nodever=${GITHUB_ACTIONS_RUNNER_FORCED_NODE_VERSION:-node20}
+nodever=${GITHUB_ACTIONS_RUNNER_FORCED_NODE_VERSION:-node16}
 
 # insert anything to setup env when running as a service
 # run the host process which keep the listener alive

src/Misc/layoutbin/update.sh.template

@@ -135,17 +135,12 @@ if [[ "$currentplatform" == 'darwin'  && restartinteractiverunner -eq 0 ]]; then
     then
         # inspect the open file handles to find the node process
         # we can't actually inspect the process using ps because it uses relative paths and doesn't follow symlinks
-        nodever="node20"
+        nodever="node16"
         path=$(lsof -a -g "$procgroup" -F n | grep $nodever/bin/node | grep externals | tail -1 | cut -c2-)
-        if [[ $? -ne 0 || -z "$path" ]] # Fallback if RunnerService.js was started with node16
+        if [[ $? -ne 0 || -z "$path" ]] # Fallback if RunnerService.js was started with node12
         then
-            nodever="node16"
+            nodever="node12"
             path=$(lsof -a -g "$procgroup" -F n | grep $nodever/bin/node | grep externals | tail -1 | cut -c2-)
-            if [[ $? -ne 0 || -z "$path" ]] # Fallback if RunnerService.js was started with node12
-            then
-                nodever="node12"
-                path=$(lsof -a -g "$procgroup" -F n | grep $nodever/bin/node | grep externals | tail -1 | cut -c2-)
-            fi
         fi
         if [[ $? -eq 0 && -n "$path" ]]
         then

src/Misc/layoutroot/run-helper.cmd.template

@@ -49,5 +49,10 @@ if %ERRORLEVEL% EQU 4 (
   exit /b 1
 )
 
+if %ERRORLEVEL% EQU 5 (
+  echo "Runner listener exit with Session Conflict error, stop the service, no retry needed."
+  exit /b 0
+)
+
 echo "Exiting after unknown error code: %ERRORLEVEL%"
 exit /b 0

src/Misc/layoutroot/run-helper.sh.template

@@ -70,6 +70,9 @@ elif [[ $returnCode == 4 ]]; then
         "$DIR"/safe_sleep.sh 1
     done
     exit 2
+elif [[ $returnCode == 5 ]]; then
+    echo "Runner listener exit with Session Conflict error, stop the service, no retry needed."
+    exit 0
 else
     echo "Exiting with unknown error code: ${returnCode}"
     exit 0

src/Misc/layoutroot/run.sh

@@ -38,7 +38,7 @@ runWithManualTrap() {
         cp -f "$DIR"/run-helper.sh.template "$DIR"/run-helper.sh
         "$DIR"/run-helper.sh $* &
         PID=$!
-        wait -f $PID
+        wait $PID
         returnCode=$?
         if [[ $returnCode -eq 2 ]]; then
             echo "Restarting runner..."
@@ -84,4 +84,4 @@ if [[ -z "$RUNNER_MANUALLY_TRAP_SIG" ]]; then
     run $*
 else
     runWithManualTrap $*
-fi
+fi

src/Misc/runnercoreassets

@@ -1,57 +0,0 @@
-actions.runner.plist.template
-actions.runner.service.template
-checkScripts/downloadCert.js
-checkScripts/makeWebRequest.js
-darwin.svc.sh.template
-hashFiles/index.js
-installdependencies.sh
-macos-run-invoker.js
-Microsoft.IdentityModel.Logging.dll
-Microsoft.IdentityModel.Tokens.dll
-Minimatch.dll
-Newtonsoft.Json.Bson.dll
-Newtonsoft.Json.dll
-Runner.Common.deps.json
-Runner.Common.dll
-Runner.Common.pdb
-Runner.Listener
-Runner.Listener.deps.json
-Runner.Listener.dll
-Runner.Listener.exe
-Runner.Listener.pdb
-Runner.Listener.runtimeconfig.json
-Runner.PluginHost
-Runner.PluginHost.deps.json
-Runner.PluginHost.dll
-Runner.PluginHost.exe
-Runner.PluginHost.pdb
-Runner.PluginHost.runtimeconfig.json
-Runner.Plugins.deps.json
-Runner.Plugins.dll
-Runner.Plugins.pdb
-Runner.Sdk.deps.json
-Runner.Sdk.dll
-Runner.Sdk.pdb
-Runner.Worker
-Runner.Worker.deps.json
-Runner.Worker.dll
-Runner.Worker.exe
-Runner.Worker.pdb
-Runner.Worker.runtimeconfig.json
-RunnerService.exe
-RunnerService.exe.config
-RunnerService.js
-RunnerService.pdb
-runsvc.sh
-Sdk.deps.json
-Sdk.dll
-Sdk.pdb
-System.IdentityModel.Tokens.Jwt.dll
-System.Net.Http.Formatting.dll
-System.Security.Cryptography.Pkcs.dll
-System.Security.Cryptography.ProtectedData.dll
-System.ServiceProcess.ServiceController.dll
-systemd.svc.sh.template
-update.cmd.template
-update.sh.template
-YamlDotNet.dll

src/Misc/runnerdotnetruntimeassets

@@ -1,269 +0,0 @@
-api-ms-win-core-console-l1-1-0.dll
-api-ms-win-core-console-l1-2-0.dll
-api-ms-win-core-datetime-l1-1-0.dll
-api-ms-win-core-debug-l1-1-0.dll
-api-ms-win-core-errorhandling-l1-1-0.dll
-api-ms-win-core-fibers-l1-1-0.dll
-api-ms-win-core-file-l1-1-0.dll
-api-ms-win-core-file-l1-2-0.dll
-api-ms-win-core-file-l2-1-0.dll
-api-ms-win-core-handle-l1-1-0.dll
-api-ms-win-core-heap-l1-1-0.dll
-api-ms-win-core-interlocked-l1-1-0.dll
-api-ms-win-core-libraryloader-l1-1-0.dll
-api-ms-win-core-localization-l1-2-0.dll
-api-ms-win-core-memory-l1-1-0.dll
-api-ms-win-core-namedpipe-l1-1-0.dll
-api-ms-win-core-processenvironment-l1-1-0.dll
-api-ms-win-core-processthreads-l1-1-0.dll
-api-ms-win-core-processthreads-l1-1-1.dll
-api-ms-win-core-profile-l1-1-0.dll
-api-ms-win-core-rtlsupport-l1-1-0.dll
-api-ms-win-core-string-l1-1-0.dll
-api-ms-win-core-synch-l1-1-0.dll
-api-ms-win-core-synch-l1-2-0.dll
-api-ms-win-core-sysinfo-l1-1-0.dll
-api-ms-win-core-timezone-l1-1-0.dll
-api-ms-win-core-util-l1-1-0.dll
-api-ms-win-crt-conio-l1-1-0.dll
-api-ms-win-crt-convert-l1-1-0.dll
-api-ms-win-crt-environment-l1-1-0.dll
-api-ms-win-crt-filesystem-l1-1-0.dll
-api-ms-win-crt-heap-l1-1-0.dll
-api-ms-win-crt-locale-l1-1-0.dll
-api-ms-win-crt-math-l1-1-0.dll
-api-ms-win-crt-multibyte-l1-1-0.dll
-api-ms-win-crt-private-l1-1-0.dll
-api-ms-win-crt-process-l1-1-0.dll
-api-ms-win-crt-runtime-l1-1-0.dll
-api-ms-win-crt-stdio-l1-1-0.dll
-api-ms-win-crt-string-l1-1-0.dll
-api-ms-win-crt-time-l1-1-0.dll
-api-ms-win-crt-utility-l1-1-0.dll
-clrcompression.dll
-clretwrc.dll
-clrjit.dll
-coreclr.dll
-createdump
-createdump.exe
-dbgshim.dll
-hostfxr.dll
-hostpolicy.dll
-libclrjit.dylib
-libclrjit.so
-libcoreclr.dylib
-libcoreclr.so
-libcoreclrtraceptprovider.so
-libdbgshim.dylib
-libdbgshim.so
-libhostfxr.dylib
-libhostfxr.so
-libhostpolicy.dylib
-libhostpolicy.so
-libmscordaccore.dylib
-libmscordaccore.so
-libmscordbi.dylib
-libmscordbi.so
-Microsoft.CSharp.dll
-Microsoft.DiaSymReader.Native.amd64.dll
-Microsoft.DiaSymReader.Native.arm64.dll
-Microsoft.VisualBasic.Core.dll
-Microsoft.VisualBasic.dll
-Microsoft.Win32.Primitives.dll
-Microsoft.Win32.Registry.dll
-mscordaccore.dll
-mscordaccore_amd64_amd64_6.0.522.21309.dll
-mscordaccore_arm64_arm64_6.0.522.21309.dll
-mscordaccore_amd64_amd64_6.0.1322.58009.dll
-mscordaccore_amd64_amd64_6.0.2023.32017.dll
-mscordaccore_amd64_amd64_6.0.2223.42425.dll
-mscordbi.dll
-mscorlib.dll
-mscorrc.debug.dll
-mscorrc.dll
-msquic.dll
-netstandard.dll
-SOS_README.md
-System.AppContext.dll
-System.Buffers.dll
-System.Collections.Concurrent.dll
-System.Collections.dll
-System.Collections.Immutable.dll
-System.Collections.NonGeneric.dll
-System.Collections.Specialized.dll
-System.ComponentModel.Annotations.dll
-System.ComponentModel.DataAnnotations.dll
-System.ComponentModel.dll
-System.ComponentModel.EventBasedAsync.dll
-System.ComponentModel.Primitives.dll
-System.ComponentModel.TypeConverter.dll
-System.Configuration.dll
-System.Console.dll
-System.Core.dll
-System.Data.Common.dll
-System.Data.DataSetExtensions.dll
-System.Data.dll
-System.Diagnostics.Contracts.dll
-System.Diagnostics.Debug.dll
-System.Diagnostics.DiagnosticSource.dll
-System.Diagnostics.FileVersionInfo.dll
-System.Diagnostics.Process.dll
-System.Diagnostics.StackTrace.dll
-System.Diagnostics.TextWriterTraceListener.dll
-System.Diagnostics.Tools.dll
-System.Diagnostics.TraceSource.dll
-System.Diagnostics.Tracing.dll
-System.dll
-System.Drawing.dll
-System.Drawing.Primitives.dll
-System.Dynamic.Runtime.dll
-System.Formats.Asn1.dll
-System.Globalization.Calendars.dll
-System.Globalization.dll
-System.Globalization.Extensions.dll
-System.Globalization.Native.dylib
-System.Globalization.Native.so
-System.IO.Compression.Brotli.dll
-System.IO.Compression.dll
-System.IO.Compression.FileSystem.dll
-System.IO.Compression.Native.a
-System.IO.Compression.Native.dll
-System.IO.Compression.Native.dylib
-System.IO.Compression.Native.so
-System.IO.Compression.ZipFile.dll
-System.IO.dll
-System.IO.FileSystem.AccessControl.dll
-System.IO.FileSystem.dll
-System.IO.FileSystem.DriveInfo.dll
-System.IO.FileSystem.Primitives.dll
-System.IO.FileSystem.Watcher.dll
-System.IO.IsolatedStorage.dll
-System.IO.MemoryMappedFiles.dll
-System.IO.Pipes.AccessControl.dll
-System.IO.Pipes.dll
-System.IO.UnmanagedMemoryStream.dll
-System.Linq.dll
-System.Linq.Expressions.dll
-System.Linq.Parallel.dll
-System.Linq.Queryable.dll
-System.Memory.dll
-System.Native.a
-System.Native.dylib
-System.Native.so
-System.Net.dll
-System.Net.Http.dll
-System.Net.Http.Json.dll
-System.Net.Http.Native.a
-System.Net.Http.Native.dylib
-System.Net.Http.Native.so
-System.Net.HttpListener.dll
-System.Net.Mail.dll
-System.Net.NameResolution.dll
-System.Net.NetworkInformation.dll
-System.Net.Ping.dll
-System.Net.Primitives.dll
-System.Net.Quic.dll
-System.Net.Requests.dll
-System.Net.Security.dll
-System.Net.Security.Native.a
-System.Net.Security.Native.dylib
-System.Net.Security.Native.so
-System.Net.ServicePoint.dll
-System.Net.Sockets.dll
-System.Net.WebClient.dll
-System.Net.WebHeaderCollection.dll
-System.Net.WebProxy.dll
-System.Net.WebSockets.Client.dll
-System.Net.WebSockets.dll
-System.Numerics.dll
-System.Numerics.Vectors.dll
-System.ObjectModel.dll
-System.Private.CoreLib.dll
-System.Private.DataContractSerialization.dll
-System.Private.Uri.dll
-System.Private.Xml.dll
-System.Private.Xml.Linq.dll
-System.Reflection.DispatchProxy.dll
-System.Reflection.dll
-System.Reflection.Emit.dll
-System.Reflection.Emit.ILGeneration.dll
-System.Reflection.Emit.Lightweight.dll
-System.Reflection.Extensions.dll
-System.Reflection.Metadata.dll
-System.Reflection.Primitives.dll
-System.Reflection.TypeExtensions.dll
-System.Resources.Reader.dll
-System.Resources.ResourceManager.dll
-System.Resources.Writer.dll
-System.Runtime.CompilerServices.Unsafe.dll
-System.Runtime.CompilerServices.VisualC.dll
-System.Runtime.dll
-System.Runtime.Extensions.dll
-System.Runtime.Handles.dll
-System.Runtime.InteropServices.dll
-System.Runtime.InteropServices.RuntimeInformation.dll
-System.Runtime.InteropServices.WindowsRuntime.dll
-System.Runtime.Intrinsics.dll
-System.Runtime.Loader.dll
-System.Runtime.Numerics.dll
-System.Runtime.Serialization.dll
-System.Runtime.Serialization.Formatters.dll
-System.Runtime.Serialization.Json.dll
-System.Runtime.Serialization.Primitives.dll
-System.Runtime.Serialization.Xml.dll
-System.Runtime.WindowsRuntime.dll
-System.Runtime.WindowsRuntime.UI.Xaml.dll
-System.Security.AccessControl.dll
-System.Security.Claims.dll
-System.Security.Cryptography.Algorithms.dll
-System.Security.Cryptography.Cng.dll
-System.Security.Cryptography.Csp.dll
-System.Security.Cryptography.Encoding.dll
-System.Security.Cryptography.Native.Apple.a
-System.Security.Cryptography.Native.Apple.dylib
-System.Security.Cryptography.Native.OpenSsl.a
-System.Security.Cryptography.Native.OpenSsl.dylib
-System.Security.Cryptography.Native.OpenSsl.so
-System.Security.Cryptography.OpenSsl.dll
-System.Security.Cryptography.Primitives.dll
-System.Security.Cryptography.X509Certificates.dll
-System.Security.Cryptography.XCertificates.dll
-System.Security.dll
-System.Security.Principal.dll
-System.Security.Principal.Windows.dll
-System.Security.SecureString.dll
-System.ServiceModel.Web.dll
-System.ServiceProcess.dll
-System.Text.Encoding.CodePages.dll
-System.Text.Encoding.dll
-System.Text.Encoding.Extensions.dll
-System.Text.Encodings.Web.dll
-System.Text.Json.dll
-System.Text.RegularExpressions.dll
-System.Threading.Channels.dll
-System.Threading.dll
-System.Threading.Overlapped.dll
-System.Threading.Tasks.Dataflow.dll
-System.Threading.Tasks.dll
-System.Threading.Tasks.Extensions.dll
-System.Threading.Tasks.Parallel.dll
-System.Threading.Thread.dll
-System.Threading.ThreadPool.dll
-System.Threading.Timer.dll
-System.Transactions.dll
-System.Transactions.Local.dll
-System.ValueTuple.dll
-System.Web.dll
-System.Web.HttpUtility.dll
-System.Windows.dll
-System.Xml.dll
-System.Xml.Linq.dll
-System.Xml.ReaderWriter.dll
-System.Xml.Serialization.dll
-System.Xml.XDocument.dll
-System.Xml.XmlDocument.dll
-System.Xml.XmlSerializer.dll
-System.Xml.XPath.dll
-System.Xml.XPath.XDocument.dll
-ucrtbase.dll
-WindowsBase.dll

src/Misc/trimmedpackages_targz.json

@@ -1,24 +0,0 @@
-[
-    {
-        "HashValue": "<NO_RUNTIME_EXTERNALS_HASH>",
-        "DownloadUrl": "https://github.com/actions/runner/releases/download/v<RUNNER_VERSION>/actions-runner-<RUNNER_PLATFORM>-<RUNNER_VERSION>-noruntime-noexternals.tar.gz",
-        "TrimmedContents": {
-            "dotnetRuntime": "<RUNTIME_HASH>",
-            "externals": "<EXTERNALS_HASH>"
-        }
-    },
-    {
-        "HashValue": "<NO_RUNTIME_HASH>",
-        "DownloadUrl": "https://github.com/actions/runner/releases/download/v<RUNNER_VERSION>/actions-runner-<RUNNER_PLATFORM>-<RUNNER_VERSION>-noruntime.tar.gz",
-        "TrimmedContents": {
-            "dotnetRuntime": "<RUNTIME_HASH>"
-        }
-    },
-    {
-        "HashValue": "<NO_EXTERNALS_HASH>",
-        "DownloadUrl": "https://github.com/actions/runner/releases/download/v<RUNNER_VERSION>/actions-runner-<RUNNER_PLATFORM>-<RUNNER_VERSION>-noexternals.tar.gz",
-        "TrimmedContents": {
-            "externals": "<EXTERNALS_HASH>"
-        }
-    }
-]

src/Misc/trimmedpackages_zip.json

@@ -1,24 +0,0 @@
-[
-    {
-        "HashValue": "<NO_RUNTIME_EXTERNALS_HASH>",
-        "DownloadUrl": "https://github.com/actions/runner/releases/download/v<RUNNER_VERSION>/actions-runner-<RUNNER_PLATFORM>-<RUNNER_VERSION>-noruntime-noexternals.zip",
-        "TrimmedContents": {
-            "dotnetRuntime": "<RUNTIME_HASH>",
-            "externals": "<EXTERNALS_HASH>"
-        }
-    },
-    {
-        "HashValue": "<NO_RUNTIME_HASH>",
-        "DownloadUrl": "https://github.com/actions/runner/releases/download/v<RUNNER_VERSION>/actions-runner-<RUNNER_PLATFORM>-<RUNNER_VERSION>-noruntime.zip",
-        "TrimmedContents": {
-            "dotnetRuntime": "<RUNTIME_HASH>"
-        }
-    },
-    {
-        "HashValue": "<NO_EXTERNALS_HASH>",
-        "DownloadUrl": "https://github.com/actions/runner/releases/download/v<RUNNER_VERSION>/actions-runner-<RUNNER_PLATFORM>-<RUNNER_VERSION>-noexternals.zip",
-        "TrimmedContents": {
-            "externals": "<EXTERNALS_HASH>"
-        }
-    }
-]

src/Runner.Common/ActionsRunServer.cs

@@ -20,12 +20,12 @@ namespace GitHub.Runner.Common
     {
         private bool _hasConnection;
         private VssConnection _connection;
-        private TaskAgentHttpClient _taskAgentClient;
+        private ActionsRunServerHttpClient _actionsRunServerClient;
 
         public async Task ConnectAsync(Uri serverUrl, VssCredentials credentials)
         {
             _connection = await EstablishVssConnection(serverUrl, credentials, TimeSpan.FromSeconds(100));
-            _taskAgentClient = _connection.GetClient<TaskAgentHttpClient>();
+            _actionsRunServerClient = _connection.GetClient<ActionsRunServerHttpClient>();
             _hasConnection = true;
         }
 
@@ -42,7 +42,7 @@ namespace GitHub.Runner.Common
             CheckConnection();
             var jobMessage = RetryRequest<AgentJobRequestMessage>(async () =>
                                                     {
-                                                        return await _taskAgentClient.GetJobMessageAsync(id, cancellationToken);
+                                                        return await _actionsRunServerClient.GetJobMessageAsync(id, cancellationToken);
                                                     }, cancellationToken);
 
             return jobMessage;

src/Runner.Common/BrokerServer.cs

@@ -17,7 +17,14 @@ namespace GitHub.Runner.Common
     {
         Task ConnectAsync(Uri serverUrl, VssCredentials credentials);
 
-        Task<TaskAgentMessage> GetRunnerMessageAsync(CancellationToken token, TaskAgentStatus status, string version);
+        Task<TaskAgentSession> CreateSessionAsync(TaskAgentSession session, CancellationToken cancellationToken);
+        Task DeleteSessionAsync(CancellationToken cancellationToken);
+
+        Task<TaskAgentMessage> GetRunnerMessageAsync(Guid? sessionId, TaskAgentStatus status, string version, string os, string architecture, bool disableUpdate, CancellationToken token);
+
+        Task UpdateConnectionIfNeeded(Uri serverUri, VssCredentials credentials);
+
+        Task ForceRefreshConnection(VssCredentials credentials);
     }
 
     public sealed class BrokerServer : RunnerService, IBrokerServer
@@ -44,13 +51,53 @@ namespace GitHub.Runner.Common
             }
         }
 
-        public Task<TaskAgentMessage> GetRunnerMessageAsync(CancellationToken cancellationToken, TaskAgentStatus status, string version)
+        public async Task<TaskAgentSession> CreateSessionAsync(TaskAgentSession session, CancellationToken cancellationToken)
         {
             CheckConnection();
-            var jobMessage = RetryRequest<TaskAgentMessage>(
+            var jobMessage = await _brokerHttpClient.CreateSessionAsync(session, cancellationToken);
-                async () => await _brokerHttpClient.GetRunnerMessageAsync(version, status, cancellationToken), cancellationToken);
 
             return jobMessage;
         }
+
+        public Task<TaskAgentMessage> GetRunnerMessageAsync(Guid? sessionId, TaskAgentStatus status, string version, string os, string architecture, bool disableUpdate, CancellationToken cancellationToken)
+        {
+            CheckConnection();
+            var brokerSession = RetryRequest<TaskAgentMessage>(
+                async () => await _brokerHttpClient.GetRunnerMessageAsync(sessionId, version, status, os, architecture, disableUpdate, cancellationToken), cancellationToken, shouldRetry: ShouldRetryException);
+
+
+            return brokerSession;
+        }
+
+        public async Task DeleteSessionAsync(CancellationToken cancellationToken)
+        {
+            CheckConnection();
+            await _brokerHttpClient.DeleteSessionAsync(cancellationToken);
+        }
+
+        public Task UpdateConnectionIfNeeded(Uri serverUri, VssCredentials credentials)
+        {
+            if (_brokerUri != serverUri || !_hasConnection)
+            {
+                return ConnectAsync(serverUri, credentials);
+            }
+
+            return Task.CompletedTask;
+        }
+
+        public Task ForceRefreshConnection(VssCredentials credentials)
+        {
+            return ConnectAsync(_brokerUri, credentials);
+        }
+
+        public bool ShouldRetryException(Exception ex)
+        {
+            if (ex is AccessDeniedException ade && ade.ErrorCode == 1)
+            {
+                return false;
+            }
+
+            return true;
+        }
     }
 }

src/Runner.Common/Constants.cs

@@ -153,6 +153,7 @@ namespace GitHub.Runner.Common
                 public const int RetryableError = 2;
                 public const int RunnerUpdating = 3;
                 public const int RunOnceRunnerUpdating = 4;
+                public const int SessionConflict = 5;
             }
 
             public static class Features
@@ -180,6 +181,9 @@ namespace GitHub.Runner.Common
             public static readonly string DeprecatedNodeVersion = "node16";
             public static readonly string EnforcedNode12DetectedAfterEndOfLife = "The following actions uses node12 which is deprecated and will be forced to run on node16: {0}. For more info: https://github.blog/changelog/2023-06-13-github-actions-all-actions-will-run-on-node16-instead-of-node12-by-default/";
             public static readonly string EnforcedNode12DetectedAfterEndOfLifeEnvVariable = "Node16ForceActionsWarnings";
+            public static readonly string EnforcedNode16DetectedAfterEndOfLife = "The following actions uses Node.js version which is deprecated and will be forced to run on node20: {0}. For more info: https://github.blog/changelog/2024-03-07-github-actions-all-actions-will-run-on-node20-instead-of-node16-by-default/";
+            public static readonly string EnforcedNode16DetectedAfterEndOfLifeEnvVariable = "Node20ForceActionsWarnings";
+
         }
 
         public static class RunnerEvent
@@ -251,17 +255,19 @@ namespace GitHub.Runner.Common
                 public static readonly string RunnerDebug = "ACTIONS_RUNNER_DEBUG";
                 public static readonly string StepDebug = "ACTIONS_STEP_DEBUG";
                 public static readonly string AllowActionsUseUnsecureNodeVersion = "ACTIONS_ALLOW_USE_UNSECURE_NODE_VERSION";
+                public static readonly string ManualForceActionsToNode20 = "FORCE_JAVASCRIPT_ACTIONS_TO_NODE20";
             }
 
             public static class Agent
             {
                 public static readonly string ToolsDirectory = "agent.ToolsDirectory";
 
-                // Set this env var to "node16" to downgrade the node version for internal functions (e.g hashfiles). This does NOT affect the version of node actions.
+                // Set this env var to "node12" to downgrade the node version for internal functions (e.g hashfiles). This does NOT affect the version of node actions.
                 public static readonly string ForcedInternalNodeVersion = "ACTIONS_RUNNER_FORCED_INTERNAL_NODE_VERSION";
                 public static readonly string ForcedActionsNodeVersion = "ACTIONS_RUNNER_FORCE_ACTIONS_NODE_VERSION";
                 public static readonly string PrintLogToStdout = "ACTIONS_RUNNER_PRINT_LOG_TO_STDOUT";
                 public static readonly string ActionArchiveCacheDirectory = "ACTIONS_RUNNER_ACTION_ARCHIVE_CACHE";
+                public static readonly string ManualForceActionsToNode20 = "FORCE_JAVASCRIPT_ACTIONS_TO_NODE20";
             }
 
             public static class System

src/Runner.Common/HostContext.cs

@@ -200,6 +200,10 @@ namespace GitHub.Runner.Common
             {
                 _trace.Info($"No proxy settings were found based on environmental variables (http_proxy/https_proxy/HTTP_PROXY/HTTPS_PROXY)");
             }
+            else
+            {
+                _userAgents.Add(new ProductInfoHeaderValue("HttpProxyConfigured", bool.TrueString));
+            }
 
             if (StringUtil.ConvertToBoolean(Environment.GetEnvironmentVariable("GITHUB_ACTIONS_RUNNER_TLS_NO_VERIFY")))
             {

src/Runner.Common/JobServerQueue.cs

@@ -19,7 +19,7 @@ namespace GitHub.Runner.Common
         TaskCompletionSource<int> JobRecordUpdated { get; }
         event EventHandler<ThrottlingEventArgs> JobServerQueueThrottling;
         Task ShutdownAsync();
-        void Start(Pipelines.AgentJobRequestMessage jobRequest, bool resultsServiceOnly = false, bool enableTelemetry = false);
+        void Start(Pipelines.AgentJobRequestMessage jobRequest, bool resultsServiceOnly = false);
         void QueueWebConsoleLine(Guid stepRecordId, string line, long? lineNumber = null);
         void QueueFileUpload(Guid timelineId, Guid timelineRecordId, string type, string name, string path, bool deleteSource);
         void QueueResultsUpload(Guid timelineRecordId, string name, string path, string type, bool deleteSource, bool finalize, bool firstBlock, long totalLines);
@@ -74,6 +74,7 @@ namespace GitHub.Runner.Common
         private readonly List<JobTelemetry> _jobTelemetries = new();
         private bool _queueInProcess = false;
         private bool _resultsServiceOnly = false;
+        private int _resultsServiceExceptionsCount = 0;
         private Stopwatch _resultsUploadTimer = new();
         private Stopwatch _actionsUploadTimer = new();
 
@@ -104,11 +105,10 @@ namespace GitHub.Runner.Common
             _resultsServer = hostContext.GetService<IResultsServer>();
         }
 
-        public void Start(Pipelines.AgentJobRequestMessage jobRequest, bool resultsServiceOnly = false, bool enableTelemetry = false)
+        public void Start(Pipelines.AgentJobRequestMessage jobRequest, bool resultsServiceOnly = false)
         {
             Trace.Entering();
             _resultsServiceOnly = resultsServiceOnly;
-            _enableTelemetry = enableTelemetry;
 
             var serviceEndPoint = jobRequest.Resources.Endpoints.Single(x => string.Equals(x.Name, WellKnownServiceEndpointNames.SystemVssConnection, StringComparison.OrdinalIgnoreCase));
 
@@ -134,11 +134,17 @@ namespace GitHub.Runner.Common
                 {
                     liveConsoleFeedUrl = feedStreamUrl;
                 }
-
+                jobRequest.Variables.TryGetValue("system.github.results_upload_with_sdk", out VariableValue resultsUseSdkVariable);
-                _resultsServer.InitializeResultsClient(new Uri(resultsReceiverEndpoint), liveConsoleFeedUrl, accessToken);
+                _resultsServer.InitializeResultsClient(new Uri(resultsReceiverEndpoint), liveConsoleFeedUrl, accessToken, StringUtil.ConvertToBoolean(resultsUseSdkVariable?.Value));
                 _resultsClientInitiated = true;
             }
 
+            // Enable telemetry if we have both results service and actions service
+            if (_resultsClientInitiated && !_resultsServiceOnly)
+            {
+                _enableTelemetry = true;
+            }
+
             if (_queueInProcess)
             {
                 Trace.Info("No-opt, all queue process tasks are running.");
@@ -551,6 +557,10 @@ namespace GitHub.Runner.Common
                             {
                                 await UploadSummaryFile(file);
                             }
+                            if (string.Equals(file.Type, CoreAttachmentType.ResultsDiagnosticLog, StringComparison.OrdinalIgnoreCase))
+                            {
+                                await UploadResultsDiagnosticLogsFile(file);
+                            }
                             else if (String.Equals(file.Type, CoreAttachmentType.ResultsLog, StringComparison.OrdinalIgnoreCase))
                             {
                                 if (file.RecordId != _jobTimelineRecordId)
@@ -570,9 +580,9 @@ namespace GitHub.Runner.Common
                             Trace.Info("Catch exception during file upload to results, keep going since the process is best effort.");
                             Trace.Error(ex);
                             errorCount++;
-
+                            _resultsServiceExceptionsCount++;
                             // If we hit any exceptions uploading to Results, let's skip any additional uploads to Results unless Results is serving logs
-                            if (!_resultsServiceOnly)
+                            if (!_resultsServiceOnly && _resultsServiceExceptionsCount > 3)
                             {
                                 _resultsClientInitiated = false;
                                 SendResultsTelemetry(ex);
@@ -603,7 +613,7 @@ namespace GitHub.Runner.Common
 
         private void SendResultsTelemetry(Exception ex)
         {
-            var issue = new Issue() { Type = IssueType.Warning, Message = $"Caught exception with results. {ex.Message}" };
+            var issue = new Issue() { Type = IssueType.Warning, Message = $"Caught exception with results. {HostContext.SecretMasker.MaskSecrets(ex.Message)}" };
             issue.Data[Constants.Runner.InternalTelemetryIssueDataKey] = Constants.Runner.ResultsUploadFailure;
 
             var telemetryRecord = new TimelineRecord()
@@ -699,7 +709,9 @@ namespace GitHub.Runner.Common
                             {
                                 Trace.Info("Catch exception during update steps, skip update Results.");
                                 Trace.Error(e);
-                                if (!_resultsServiceOnly)
+                                _resultsServiceExceptionsCount++;
+                                // If we hit any exceptions uploading to Results, let's skip any additional uploads to Results unless Results is serving logs
+                                if (!_resultsServiceOnly && _resultsServiceExceptionsCount > 3)
                                 {
                                     _resultsClientInitiated = false;
                                     SendResultsTelemetry(e);
@@ -922,6 +934,17 @@ namespace GitHub.Runner.Common
             await UploadResultsFile(file, summaryHandler);
         }
 
+        private async Task UploadResultsDiagnosticLogsFile(ResultsUploadFileInfo file)
+        {
+            Trace.Info($"Starting to upload diagnostic logs file to results service {file.Name}, {file.Path}");
+            ResultsFileUploadHandler diagnosticLogsHandler = async (file) =>
+            {
+                await _resultsServer.CreateResultsDiagnosticLogsAsync(file.PlanId, file.JobId, file.Path, CancellationToken.None);
+            };
+
+            await UploadResultsFile(file, diagnosticLogsHandler);
+        }
+
         private async Task UploadResultsStepLogFile(ResultsUploadFileInfo file)
         {
             Trace.Info($"Starting upload of step log file to results service {file.Name}, {file.Path}");

src/Runner.Common/ResultsServer.cs

@@ -19,7 +19,7 @@ namespace GitHub.Runner.Common
     [ServiceLocator(Default = typeof(ResultServer))]
     public interface IResultsServer : IRunnerService, IAsyncDisposable
     {
-        void InitializeResultsClient(Uri uri, string liveConsoleFeedUrl, string token);
+        void InitializeResultsClient(Uri uri, string liveConsoleFeedUrl, string token, bool useSdk);
 
         Task<bool> AppendLiveConsoleFeedAsync(Guid scopeIdentifier, string hubName, Guid planId, Guid timelineId, Guid timelineRecordId, Guid stepId, IList<string> lines, long? startLine, CancellationToken cancellationToken);
 
@@ -35,6 +35,8 @@ namespace GitHub.Runner.Common
 
         Task UpdateResultsWorkflowStepsAsync(Guid scopeIdentifier, string hubName, Guid planId, Guid timelineId,
             IEnumerable<TimelineRecord> records, CancellationToken cancellationToken);
+
+        Task CreateResultsDiagnosticLogsAsync(string planId, string jobId, string file, CancellationToken cancellationToken);
     }
 
     public sealed class ResultServer : RunnerService, IResultsServer
@@ -51,9 +53,9 @@ namespace GitHub.Runner.Common
         private String _liveConsoleFeedUrl;
         private string _token;
 
-        public void InitializeResultsClient(Uri uri, string liveConsoleFeedUrl, string token)
+        public void InitializeResultsClient(Uri uri, string liveConsoleFeedUrl, string token, bool useSdk)
         {
-            this._resultsClient = CreateHttpClient(uri, token);
+            this._resultsClient = CreateHttpClient(uri, token, useSdk);
 
             _token = token;
             if (!string.IsNullOrEmpty(liveConsoleFeedUrl))
@@ -63,7 +65,7 @@ namespace GitHub.Runner.Common
             }
         }
 
-        public ResultsHttpClient CreateHttpClient(Uri uri, string token)
+        public ResultsHttpClient CreateHttpClient(Uri uri, string token, bool useSdk)
         {
             // Using default 100 timeout
             RawClientHttpRequestSettings settings = VssUtil.GetHttpRequestSettings(null);
@@ -80,7 +82,7 @@ namespace GitHub.Runner.Common
 
             var pipeline = HttpClientFactory.CreatePipeline(httpMessageHandler, delegatingHandlers);
 
-            return new ResultsHttpClient(uri, pipeline, token, disposeHandler: true);
+            return new ResultsHttpClient(uri, pipeline, token, disposeHandler: true, useSdk: useSdk);
         }
 
         public Task CreateResultsStepSummaryAsync(string planId, string jobId, Guid stepId, string file,
@@ -141,6 +143,18 @@ namespace GitHub.Runner.Common
             throw new InvalidOperationException("Results client is not initialized.");
         }
 
+        public Task CreateResultsDiagnosticLogsAsync(string planId, string jobId, string file,
+            CancellationToken cancellationToken)
+        {
+            if (_resultsClient != null)
+            {
+                return _resultsClient.UploadResultsDiagnosticLogsAsync(planId, jobId, file,
+                    cancellationToken: cancellationToken);
+            }
+
+            throw new InvalidOperationException("Results client is not initialized.");
+        }
+
         public ValueTask DisposeAsync()
         {
             CloseWebSocket(WebSocketCloseStatus.NormalClosure, CancellationToken.None);

src/Runner.Common/RunServer.cs

@@ -5,6 +5,7 @@ using System.Threading.Tasks;
 using GitHub.Actions.RunService.WebApi;
 using GitHub.DistributedTask.Pipelines;
 using GitHub.DistributedTask.WebApi;
+using GitHub.Runner.Common.Util;
 using GitHub.Runner.Sdk;
 using GitHub.Services.Common;
 using Sdk.RSWebApi.Contracts;
@@ -60,7 +61,7 @@ namespace GitHub.Runner.Common
         {
             CheckConnection();
             return RetryRequest<AgentJobRequestMessage>(
-                async () => await _runServiceHttpClient.GetJobMessageAsync(requestUri, id, cancellationToken), cancellationToken,
+                async () => await _runServiceHttpClient.GetJobMessageAsync(requestUri, id, VarUtil.OS, cancellationToken), cancellationToken,
                 shouldRetry: ex => ex is not TaskOrchestrationJobAlreadyAcquiredException);
         }
 

src/Runner.Common/RunnerServer.cs

@@ -38,7 +38,7 @@ namespace GitHub.Runner.Common
         Task<TaskAgentSession> CreateAgentSessionAsync(Int32 poolId, TaskAgentSession session, CancellationToken cancellationToken);
         Task DeleteAgentMessageAsync(Int32 poolId, Int64 messageId, Guid sessionId, CancellationToken cancellationToken);
         Task DeleteAgentSessionAsync(Int32 poolId, Guid sessionId, CancellationToken cancellationToken);
-        Task<TaskAgentMessage> GetAgentMessageAsync(Int32 poolId, Guid sessionId, Int64? lastMessageId, TaskAgentStatus status, string runnerVersion, CancellationToken cancellationToken);
+        Task<TaskAgentMessage> GetAgentMessageAsync(Int32 poolId, Guid sessionId, Int64? lastMessageId, TaskAgentStatus status, string runnerVersion, string os, string architecture, bool disableUpdate, CancellationToken cancellationToken);
 
         // job request
         Task<TaskAgentJobRequest> GetAgentRequestAsync(int poolId, long requestId, CancellationToken cancellationToken);
@@ -272,10 +272,10 @@ namespace GitHub.Runner.Common
             return _messageTaskAgentClient.DeleteAgentSessionAsync(poolId, sessionId, cancellationToken: cancellationToken);
         }
 
-        public Task<TaskAgentMessage> GetAgentMessageAsync(Int32 poolId, Guid sessionId, Int64? lastMessageId, TaskAgentStatus status, string runnerVersion, CancellationToken cancellationToken)
+        public Task<TaskAgentMessage> GetAgentMessageAsync(Int32 poolId, Guid sessionId, Int64? lastMessageId, TaskAgentStatus status, string runnerVersion, string os, string architecture, bool disableUpdate, CancellationToken cancellationToken)
         {
             CheckConnection(RunnerConnectionType.MessageQueue);
-            return _messageTaskAgentClient.GetMessageAsync(poolId, sessionId, lastMessageId, status, runnerVersion, cancellationToken: cancellationToken);
+            return _messageTaskAgentClient.GetMessageAsync(poolId, sessionId, lastMessageId, status, runnerVersion, os, architecture, disableUpdate, cancellationToken: cancellationToken);
         }
 
         //-----------------------------------------------------------------

src/Runner.Common/Util/NodeUtil.cs

@@ -5,7 +5,7 @@ namespace GitHub.Runner.Common.Util
 {
     public static class NodeUtil
     {
-        private const string _defaultNodeVersion = "node20";
+        private const string _defaultNodeVersion = "node16";
         public static readonly ReadOnlyCollection<string> BuiltInNodeVersions = new(new[] { "node16", "node20" });
         public static string GetInternalNodeVersion()
         {

src/Runner.Listener/BrokerMessageListener.cs

@@ -24,7 +24,15 @@ namespace GitHub.Runner.Listener
         private TimeSpan _getNextMessageRetryInterval;
         private TaskAgentStatus runnerStatus = TaskAgentStatus.Online;
         private CancellationTokenSource _getMessagesTokenSource;
+        private VssCredentials _creds;
+        private TaskAgentSession _session;
         private IBrokerServer _brokerServer;
+        private readonly Dictionary<string, int> _sessionCreationExceptionTracker = new();
+        private bool _accessTokenRevoked = false;
+        private readonly TimeSpan _sessionCreationRetryInterval = TimeSpan.FromSeconds(30);
+        private readonly TimeSpan _sessionConflictRetryLimit = TimeSpan.FromMinutes(4);
+        private readonly TimeSpan _clockSkewRetryLimit = TimeSpan.FromMinutes(30);
+
 
         public override void Initialize(IHostContext hostContext)
         {
@@ -34,15 +42,140 @@ namespace GitHub.Runner.Listener
             _brokerServer = HostContext.GetService<IBrokerServer>();
         }
 
-        public async Task<Boolean> CreateSessionAsync(CancellationToken token)
+        public async Task<CreateSessionResult> CreateSessionAsync(CancellationToken token)
         {
-            await RefreshBrokerConnection();
+            Trace.Entering();
-            return await Task.FromResult(true);
+
+            // Settings
+            var configManager = HostContext.GetService<IConfigurationManager>();
+            _settings = configManager.LoadSettings();
+            var serverUrl = _settings.ServerUrlV2;
+            Trace.Info(_settings);
+
+            if (string.IsNullOrEmpty(_settings.ServerUrlV2))
+            {
+                throw new InvalidOperationException("ServerUrlV2 is not set");
+            }
+
+            // Create connection.
+            Trace.Info("Loading Credentials");
+            var credMgr = HostContext.GetService<ICredentialManager>();
+            _creds = credMgr.LoadCredentials();
+
+            var agent = new TaskAgentReference
+            {
+                Id = _settings.AgentId,
+                Name = _settings.AgentName,
+                Version = BuildConstants.RunnerPackage.Version,
+                OSDescription = RuntimeInformation.OSDescription,
+            };
+            string sessionName = $"{Environment.MachineName ?? "RUNNER"}";
+            var taskAgentSession = new TaskAgentSession(sessionName, agent);
+
+            string errorMessage = string.Empty;
+            bool encounteringError = false;
+
+            while (true)
+            {
+                token.ThrowIfCancellationRequested();
+                Trace.Info($"Attempt to create session.");
+                try
+                {
+                    Trace.Info("Connecting to the Broker Server...");
+                    await _brokerServer.ConnectAsync(new Uri(serverUrl), _creds);
+                    Trace.Info("VssConnection created");
+
+                    _term.WriteLine();
+                    _term.WriteSuccessMessage("Connected to GitHub");
+                    _term.WriteLine();
+
+                    _session = await _brokerServer.CreateSessionAsync(taskAgentSession, token);
+
+                    Trace.Info($"Session created.");
+                    if (encounteringError)
+                    {
+                        _term.WriteLine($"{DateTime.UtcNow:u}: Runner reconnected.");
+                        _sessionCreationExceptionTracker.Clear();
+                        encounteringError = false;
+                    }
+
+                    return CreateSessionResult.Success;
+                }
+                catch (OperationCanceledException) when (token.IsCancellationRequested)
+                {
+                    Trace.Info("Session creation has been cancelled.");
+                    throw;
+                }
+                catch (TaskAgentAccessTokenExpiredException)
+                {
+                    Trace.Info("Runner OAuth token has been revoked. Session creation failed.");
+                    _accessTokenRevoked = true;
+                    throw;
+                }
+                catch (Exception ex)
+                {
+                    Trace.Error("Catch exception during create session.");
+                    Trace.Error(ex);
+
+                    if (ex is VssOAuthTokenRequestException vssOAuthEx && _creds.Federated is VssOAuthCredential vssOAuthCred)
+                    {
+                        // "invalid_client" means the runner registration has been deleted from the server.
+                        if (string.Equals(vssOAuthEx.Error, "invalid_client", StringComparison.OrdinalIgnoreCase))
+                        {
+                            _term.WriteError("Failed to create a session. The runner registration has been deleted from the server, please re-configure. Runner registrations are automatically deleted for runners that have not connected to the service recently.");
+                            return CreateSessionResult.Failure;
+                        }
+
+                        // Check whether we get 401 because the runner registration already removed by the service.
+                        // If the runner registration get deleted, we can't exchange oauth token.
+                        Trace.Error("Test oauth app registration.");
+                        var oauthTokenProvider = new VssOAuthTokenProvider(vssOAuthCred, new Uri(serverUrl));
+                        var authError = await oauthTokenProvider.ValidateCredentialAsync(token);
+                        if (string.Equals(authError, "invalid_client", StringComparison.OrdinalIgnoreCase))
+                        {
+                            _term.WriteError("Failed to create a session. The runner registration has been deleted from the server, please re-configure. Runner registrations are automatically deleted for runners that have not connected to the service recently.");
+                            return CreateSessionResult.Failure;
+                        }
+                    }
+
+                    if (!IsSessionCreationExceptionRetriable(ex))
+                    {
+                        _term.WriteError($"Failed to create session. {ex.Message}");
+                        if (ex is TaskAgentSessionConflictException)
+                        {
+                            return CreateSessionResult.SessionConflict;
+                        }
+                        return CreateSessionResult.Failure;
+                    }
+
+                    if (!encounteringError) //print the message only on the first error
+                    {
+                        _term.WriteError($"{DateTime.UtcNow:u}: Runner connect error: {ex.Message}. Retrying until reconnected.");
+                        encounteringError = true;
+                    }
+
+                    Trace.Info("Sleeping for {0} seconds before retrying.", _sessionCreationRetryInterval.TotalSeconds);
+                    await HostContext.Delay(_sessionCreationRetryInterval, token);
+                }
+            }
         }
 
         public async Task DeleteSessionAsync()
         {
-            await Task.CompletedTask;
+            if (_session != null && _session.SessionId != Guid.Empty)
+            {
+                if (!_accessTokenRevoked)
+                {
+                    using (var ts = new CancellationTokenSource(TimeSpan.FromSeconds(30)))
+                    {
+                        await _brokerServer.DeleteSessionAsync(ts.Token);
+                    }
+                }
+                else
+                {
+                    Trace.Warning("Runner OAuth token has been revoked. Skip deleting session.");
+                }
+            }
         }
 
         public void OnJobStatus(object sender, JobStatusEventArgs e)
@@ -73,7 +206,13 @@ namespace GitHub.Runner.Listener
                 _getMessagesTokenSource = CancellationTokenSource.CreateLinkedTokenSource(token);
                 try
                 {
-                    message = await _brokerServer.GetRunnerMessageAsync(_getMessagesTokenSource.Token, runnerStatus, BuildConstants.RunnerPackage.Version);
+                    message = await _brokerServer.GetRunnerMessageAsync(_session.SessionId,
+                                                                        runnerStatus,
+                                                                        BuildConstants.RunnerPackage.Version,
+                                                                        VarUtil.OS,
+                                                                        VarUtil.OSArchitecture,
+                                                                        _settings.DisableUpdate,
+                                                                        _getMessagesTokenSource.Token);
 
                     if (message == null)
                     {
@@ -138,7 +277,7 @@ namespace GitHub.Runner.Listener
                         }
 
                         // re-create VssConnection before next retry
-                        await RefreshBrokerConnection();
+                        await RefreshBrokerConnectionAsync();
 
                         Trace.Info("Sleeping for {0} seconds before retrying.", _getNextMessageRetryInterval.TotalSeconds);
                         await HostContext.Delay(_getNextMessageRetryInterval, token);
@@ -168,6 +307,11 @@ namespace GitHub.Runner.Listener
             }
         }
 
+        public async Task RefreshListenerTokenAsync(CancellationToken cancellationToken)
+        {
+            await RefreshBrokerConnectionAsync();
+        }
+
         public async Task DeleteMessageAsync(TaskAgentMessage message)
         {
             await Task.CompletedTask;
@@ -191,12 +335,84 @@ namespace GitHub.Runner.Listener
             }
         }
 
-        private async Task RefreshBrokerConnection()
+        private bool IsSessionCreationExceptionRetriable(Exception ex)
+        {
+            if (ex is TaskAgentNotFoundException)
+            {
+                Trace.Info("The runner no longer exists on the server. Stopping the runner.");
+                _term.WriteError("The runner no longer exists on the server. Please reconfigure the runner.");
+                return false;
+            }
+            else if (ex is TaskAgentSessionConflictException)
+            {
+                Trace.Info("The session for this runner already exists.");
+                _term.WriteError("A session for this runner already exists.");
+                if (_sessionCreationExceptionTracker.ContainsKey(nameof(TaskAgentSessionConflictException)))
+                {
+                    _sessionCreationExceptionTracker[nameof(TaskAgentSessionConflictException)]++;
+                    if (_sessionCreationExceptionTracker[nameof(TaskAgentSessionConflictException)] * _sessionCreationRetryInterval.TotalSeconds >= _sessionConflictRetryLimit.TotalSeconds)
+                    {
+                        Trace.Info("The session conflict exception have reached retry limit.");
+                        _term.WriteError($"Stop retry on SessionConflictException after retried for {_sessionConflictRetryLimit.TotalSeconds} seconds.");
+                        return false;
+                    }
+                }
+                else
+                {
+                    _sessionCreationExceptionTracker[nameof(TaskAgentSessionConflictException)] = 1;
+                }
+
+                Trace.Info("The session conflict exception haven't reached retry limit.");
+                return true;
+            }
+            else if (ex is VssOAuthTokenRequestException && ex.Message.Contains("Current server time is"))
+            {
+                Trace.Info("Local clock might be skewed.");
+                _term.WriteError("The local machine's clock may be out of sync with the server time by more than five minutes. Please sync your clock with your domain or internet time and try again.");
+                if (_sessionCreationExceptionTracker.ContainsKey(nameof(VssOAuthTokenRequestException)))
+                {
+                    _sessionCreationExceptionTracker[nameof(VssOAuthTokenRequestException)]++;
+                    if (_sessionCreationExceptionTracker[nameof(VssOAuthTokenRequestException)] * _sessionCreationRetryInterval.TotalSeconds >= _clockSkewRetryLimit.TotalSeconds)
+                    {
+                        Trace.Info("The OAuth token request exception have reached retry limit.");
+                        _term.WriteError($"Stopped retrying OAuth token request exception after {_clockSkewRetryLimit.TotalSeconds} seconds.");
+                        return false;
+                    }
+                }
+                else
+                {
+                    _sessionCreationExceptionTracker[nameof(VssOAuthTokenRequestException)] = 1;
+                }
+
+                Trace.Info("The OAuth token request exception haven't reached retry limit.");
+                return true;
+            }
+            else if (ex is TaskAgentPoolNotFoundException ||
+                     ex is AccessDeniedException ||
+                     ex is VssUnauthorizedException)
+            {
+                Trace.Info($"Non-retriable exception: {ex.Message}");
+                return false;
+            }
+
+            else if (ex is InvalidOperationException)
+            {
+                Trace.Info($"Non-retriable exception: {ex.Message}");
+                return false;
+            }
+            else
+            {
+                Trace.Info($"Retriable exception: {ex.Message}");
+                return true;
+            }
+        }
+
+        private async Task RefreshBrokerConnectionAsync()
         {
             var configManager = HostContext.GetService<IConfigurationManager>();
             _settings = configManager.LoadSettings();
 
-            if (_settings.ServerUrlV2 == null)
+            if (string.IsNullOrEmpty(_settings.ServerUrlV2))
             {
                 throw new InvalidOperationException("ServerUrlV2 is not set");
             }

src/Runner.Listener/Checks/ActionsCheck.cs

@@ -39,6 +39,7 @@ namespace GitHub.Runner.Listener.Check
             string githubApiUrl = null;
             string actionsTokenServiceUrl = null;
             string actionsPipelinesServiceUrl = null;
+            string resultsReceiverServiceUrl = null;
             var urlBuilder = new UriBuilder(url);
             if (UrlUtil.IsHostedServer(urlBuilder))
             {
@@ -47,6 +48,7 @@ namespace GitHub.Runner.Listener.Check
                 githubApiUrl = urlBuilder.Uri.AbsoluteUri;
                 actionsTokenServiceUrl = "https://vstoken.actions.githubusercontent.com/_apis/health";
                 actionsPipelinesServiceUrl = "https://pipelines.actions.githubusercontent.com/_apis/health";
+                resultsReceiverServiceUrl = "https://results-receiver.actions.githubusercontent.com/health";
             }
             else
             {
@@ -56,13 +58,31 @@ namespace GitHub.Runner.Listener.Check
                 actionsTokenServiceUrl = urlBuilder.Uri.AbsoluteUri;
                 urlBuilder.Path = "_services/pipelines/_apis/health";
                 actionsPipelinesServiceUrl = urlBuilder.Uri.AbsoluteUri;
+                resultsReceiverServiceUrl = string.Empty; // we don't have Results service in GHES yet.
             }
 
+            var codeLoadUrlBuilder = new UriBuilder(url);
+            codeLoadUrlBuilder.Host = $"codeload.{codeLoadUrlBuilder.Host}";
+            codeLoadUrlBuilder.Path = "_ping";
+
             // check github api
             checkTasks.Add(CheckUtil.CheckDns(githubApiUrl));
             checkTasks.Add(CheckUtil.CheckPing(githubApiUrl));
             checkTasks.Add(HostContext.CheckHttpsGetRequests(githubApiUrl, pat, expectedHeader: "X-GitHub-Request-Id"));
 
+            // check github codeload
+            checkTasks.Add(CheckUtil.CheckDns(codeLoadUrlBuilder.Uri.AbsoluteUri));
+            checkTasks.Add(CheckUtil.CheckPing(codeLoadUrlBuilder.Uri.AbsoluteUri));
+            checkTasks.Add(HostContext.CheckHttpsGetRequests(codeLoadUrlBuilder.Uri.AbsoluteUri, pat, expectedHeader: "X-GitHub-Request-Id"));
+
+            // check results-receiver service
+            if (!string.IsNullOrEmpty(resultsReceiverServiceUrl))
+            {
+                checkTasks.Add(CheckUtil.CheckDns(resultsReceiverServiceUrl));
+                checkTasks.Add(CheckUtil.CheckPing(resultsReceiverServiceUrl));
+                checkTasks.Add(HostContext.CheckHttpsGetRequests(resultsReceiverServiceUrl, pat, expectedHeader: "X-GitHub-Request-Id"));
+            }
+
             // check actions token service
             checkTasks.Add(CheckUtil.CheckDns(actionsTokenServiceUrl));
             checkTasks.Add(CheckUtil.CheckPing(actionsTokenServiceUrl));

src/Runner.Listener/JobDispatcher.cs

@@ -35,7 +35,7 @@ namespace GitHub.Runner.Listener
     // This implementation of IJobDispatcher is not thread safe.
     // It is based on the fact that the current design of the runner is a dequeue
     // and processes one message from the message queue at a time.
-    // In addition, it only executes one job every time, 
+    // In addition, it only executes one job every time,
     // and the server will not send another job while this one is still running.
     public sealed class JobDispatcher : RunnerService, IJobDispatcher
     {
@@ -98,7 +98,7 @@ namespace GitHub.Runner.Listener
                 Guid dispatchedJobId = _jobDispatchedQueue.Dequeue();
                 if (_jobInfos.TryGetValue(dispatchedJobId, out currentDispatch))
                 {
-                    Trace.Verbose($"Retrive previous WorkerDispather for job {currentDispatch.JobId}.");
+                    Trace.Verbose($"Retrive previous WorkerDispatcher for job {currentDispatch.JobId}.");
                 }
             }
 
@@ -162,12 +162,12 @@ namespace GitHub.Runner.Listener
                 dispatchedJobId = _jobDispatchedQueue.Dequeue();
                 if (_jobInfos.TryGetValue(dispatchedJobId, out currentDispatch))
                 {
-                    Trace.Verbose($"Retrive previous WorkerDispather for job {currentDispatch.JobId}.");
+                    Trace.Verbose($"Retrive previous WorkerDispatcher for job {currentDispatch.JobId}.");
                 }
             }
             else
             {
-                Trace.Verbose($"There is no running WorkerDispather needs to await.");
+                Trace.Verbose($"There is no running WorkerDispatcher needs to await.");
             }
 
             if (currentDispatch != null)
@@ -176,7 +176,7 @@ namespace GitHub.Runner.Listener
                 {
                     try
                     {
-                        Trace.Info($"Waiting WorkerDispather for job {currentDispatch.JobId} run to finish.");
+                        Trace.Info($"Waiting WorkerDispatcher for job {currentDispatch.JobId} run to finish.");
                         await currentDispatch.WorkerDispatch;
                         Trace.Info($"Job request {currentDispatch.JobId} processed succeed.");
                     }
@@ -190,7 +190,7 @@ namespace GitHub.Runner.Listener
                         WorkerDispatcher workerDispatcher;
                         if (_jobInfos.TryRemove(currentDispatch.JobId, out workerDispatcher))
                         {
-                            Trace.Verbose($"Remove WorkerDispather from {nameof(_jobInfos)} dictionary for job {currentDispatch.JobId}.");
+                            Trace.Verbose($"Remove WorkerDispatcher from {nameof(_jobInfos)} dictionary for job {currentDispatch.JobId}.");
                             workerDispatcher.Dispose();
                         }
                     }
@@ -209,7 +209,7 @@ namespace GitHub.Runner.Listener
                 {
                     try
                     {
-                        Trace.Info($"Ensure WorkerDispather for job {currentDispatch.JobId} run to finish, cancel any running job.");
+                        Trace.Info($"Ensure WorkerDispatcher for job {currentDispatch.JobId} run to finish, cancel any running job.");
                         await EnsureDispatchFinished(currentDispatch, cancelRunningJob: true);
                     }
                     catch (Exception ex)
@@ -222,7 +222,7 @@ namespace GitHub.Runner.Listener
                         WorkerDispatcher workerDispatcher;
                         if (_jobInfos.TryRemove(currentDispatch.JobId, out workerDispatcher))
                         {
-                            Trace.Verbose($"Remove WorkerDispather from {nameof(_jobInfos)} dictionary for job {currentDispatch.JobId}.");
+                            Trace.Verbose($"Remove WorkerDispatcher from {nameof(_jobInfos)} dictionary for job {currentDispatch.JobId}.");
                             workerDispatcher.Dispose();
                         }
                     }
@@ -327,7 +327,7 @@ namespace GitHub.Runner.Listener
                 WorkerDispatcher workerDispatcher;
                 if (_jobInfos.TryRemove(jobDispatch.JobId, out workerDispatcher))
                 {
-                    Trace.Verbose($"Remove WorkerDispather from {nameof(_jobInfos)} dictionary for job {jobDispatch.JobId}.");
+                    Trace.Verbose($"Remove WorkerDispatcher from {nameof(_jobInfos)} dictionary for job {jobDispatch.JobId}.");
                     workerDispatcher.Dispose();
                 }
             }
@@ -546,13 +546,27 @@ namespace GitHub.Runner.Listener
                                     Trace.Info($"Return code {returnCode} indicate worker encounter an unhandled exception or app crash, attach worker stdout/stderr to JobRequest result.");
 
                                     var jobServer = await InitializeJobServerAsync(systemConnection);
-                                    await LogWorkerProcessUnhandledException(jobServer, message, detailInfo);
+                                    var unhandledExceptionIssue = new Issue() { Type = IssueType.Error, Message = detailInfo };
-
+                                    unhandledExceptionIssue.Data[Constants.Runner.InternalTelemetryIssueDataKey] = Constants.Runner.WorkerCrash;
-                                    // Go ahead to finish the job with result 'Failed' if the STDERR from worker is System.IO.IOException, since it typically means we are running out of disk space.
+                                    switch (jobServer)
-                                    if (detailInfo.Contains(typeof(System.IO.IOException).ToString(), StringComparison.OrdinalIgnoreCase))
                                     {
-                                        Trace.Info($"Finish job with result 'Failed' due to IOException.");
+                                        case IJobServer js:
-                                        await ForceFailJob(jobServer, message, detailInfo);
+                                            {
+                                                await LogWorkerProcessUnhandledException(js, message, unhandledExceptionIssue);
+                                                // Go ahead to finish the job with result 'Failed' if the STDERR from worker is System.IO.IOException, since it typically means we are running out of disk space.
+                                                if (detailInfo.Contains(typeof(System.IO.IOException).ToString(), StringComparison.OrdinalIgnoreCase))
+                                                {
+                                                    Trace.Info($"Finish job with result 'Failed' due to IOException.");
+                                                    await ForceFailJob(js, message);
+                                                }
+
+                                                break;
+                                            }
+                                        case IRunServer rs:
+                                            await ForceFailJob(rs, message, unhandledExceptionIssue);
+                                            break;
+                                        default:
+                                            throw new NotSupportedException($"JobServer type '{jobServer.GetType().Name}' is not supported.");
                                     }
                                 }
 
@@ -629,8 +643,22 @@ namespace GitHub.Runner.Listener
                                     Trace.Info("worker process has been killed.");
                                 }
                             }
+                            catch (Exception ex)
+                            {
+                                // message send failed, this might indicate worker process is already exited or stuck.
+                                Trace.Info($"Job cancel message sending for job {message.JobId} failed, kill running worker. {ex}");
+                                workerProcessCancelTokenSource.Cancel();
+                                try
+                                {
+                                    await workerProcessTask;
+                                }
+                                catch (OperationCanceledException)
+                                {
+                                    Trace.Info("worker process has been killed.");
+                                }
+                            }
 
-                            // wait worker to exit 
+                            // wait worker to exit
                             // if worker doesn't exit within timeout, then kill worker.
                             completedTask = await Task.WhenAny(workerProcessTask, Task.Delay(-1, workerCancelTimeoutKillToken));
 
@@ -1117,77 +1145,65 @@ namespace GitHub.Runner.Listener
         }
 
         // log an error issue to job level timeline record
-        private async Task LogWorkerProcessUnhandledException(IRunnerService server, Pipelines.AgentJobRequestMessage message, string detailInfo)
+        private async Task LogWorkerProcessUnhandledException(IJobServer jobServer, Pipelines.AgentJobRequestMessage message, Issue issue)
         {
-            if (server is IJobServer jobServer)
+            try
             {
-                try
+                var timeline = await jobServer.GetTimelineAsync(message.Plan.ScopeIdentifier, message.Plan.PlanType, message.Plan.PlanId, message.Timeline.Id, CancellationToken.None);
-                {
+                ArgUtil.NotNull(timeline, nameof(timeline));
-                    var timeline = await jobServer.GetTimelineAsync(message.Plan.ScopeIdentifier, message.Plan.PlanType, message.Plan.PlanId, message.Timeline.Id, CancellationToken.None);
-                    ArgUtil.NotNull(timeline, nameof(timeline));
 
-                    TimelineRecord jobRecord = timeline.Records.FirstOrDefault(x => x.Id == message.JobId && x.RecordType == "Job");
+                TimelineRecord jobRecord = timeline.Records.FirstOrDefault(x => x.Id == message.JobId && x.RecordType == "Job");
-                    ArgUtil.NotNull(jobRecord, nameof(jobRecord));
+                ArgUtil.NotNull(jobRecord, nameof(jobRecord));
 
-                    var unhandledExceptionIssue = new Issue() { Type = IssueType.Error, Message = detailInfo };
+                jobRecord.ErrorCount++;
-                    unhandledExceptionIssue.Data[Constants.Runner.InternalTelemetryIssueDataKey] = Constants.Runner.WorkerCrash;
+                jobRecord.Issues.Add(issue);
-                    jobRecord.ErrorCount++;
-                    jobRecord.Issues.Add(unhandledExceptionIssue);
 
-                    await jobServer.UpdateTimelineRecordsAsync(message.Plan.ScopeIdentifier, message.Plan.PlanType, message.Plan.PlanId, message.Timeline.Id, new TimelineRecord[] { jobRecord }, CancellationToken.None);
+                Trace.Info("Mark the job as failed since the worker crashed");
-                }
+                jobRecord.Result = TaskResult.Failed;
-                catch (Exception ex)
+                // mark the job as completed so service will pickup the result
-                {
+                jobRecord.State = TimelineRecordState.Completed;
-                    Trace.Error("Fail to report unhandled exception from Runner.Worker process");
+
-                    Trace.Error(ex);
+                await jobServer.UpdateTimelineRecordsAsync(message.Plan.ScopeIdentifier, message.Plan.PlanType, message.Plan.PlanId, message.Timeline.Id, new TimelineRecord[] { jobRecord }, CancellationToken.None);
-                }
             }
-            else
+            catch (Exception ex)
             {
-                Trace.Info("Job server does not support handling unhandled exception yet, error message: {0}", detailInfo);
+                Trace.Error("Fail to report unhandled exception from Runner.Worker process");
-                return;
+                Trace.Error(ex);
             }
         }
 
         // raise job completed event to fail the job.
-        private async Task ForceFailJob(IRunnerService server, Pipelines.AgentJobRequestMessage message, string detailInfo)
+        private async Task ForceFailJob(IJobServer jobServer, Pipelines.AgentJobRequestMessage message)
         {
-            if (server is IJobServer jobServer)
+            try
             {
-                try
+                var jobCompletedEvent = new JobCompletedEvent(message.RequestId, message.JobId, TaskResult.Failed);
-                {
+                await jobServer.RaisePlanEventAsync<JobCompletedEvent>(message.Plan.ScopeIdentifier, message.Plan.PlanType, message.Plan.PlanId, jobCompletedEvent, CancellationToken.None);
-                    var jobCompletedEvent = new JobCompletedEvent(message.RequestId, message.JobId, TaskResult.Failed);
-                    await jobServer.RaisePlanEventAsync<JobCompletedEvent>(message.Plan.ScopeIdentifier, message.Plan.PlanType, message.Plan.PlanId, jobCompletedEvent, CancellationToken.None);
-                }
-                catch (Exception ex)
-                {
-                    Trace.Error("Fail to raise JobCompletedEvent back to service.");
-                    Trace.Error(ex);
-                }
             }
-            else if (server is IRunServer runServer)
+            catch (Exception ex)
             {
-                try
+                Trace.Error("Fail to raise JobCompletedEvent back to service.");
-                {
+                Trace.Error(ex);
-                    var unhandledExceptionIssue = new Issue() { Type = IssueType.Error, Message = detailInfo };
+            }
-                    var unhandledAnnotation = unhandledExceptionIssue.ToAnnotation();
+        }
-                    var jobAnnotations = new List<Annotation>();
-                    if (unhandledAnnotation.HasValue)
-                    {
-                        jobAnnotations.Add(unhandledAnnotation.Value);
-                    }
 
-                    await runServer.CompleteJobAsync(message.Plan.PlanId, message.JobId, TaskResult.Failed, outputs: null, stepResults: null, jobAnnotations: jobAnnotations, environmentUrl: null, CancellationToken.None);
+        private async Task ForceFailJob(IRunServer runServer, Pipelines.AgentJobRequestMessage message, Issue issue)
-                }
+        {
-                catch (Exception ex)
+            try
-                {
-                    Trace.Error("Fail to raise job completion back to service.");
-                    Trace.Error(ex);
-                }
-            }
-            else
             {
-                throw new NotSupportedException($"Server type {server.GetType().FullName} is not supported.");
+                var annotation = issue.ToAnnotation();
+                var jobAnnotations = new List<Annotation>();
+                if (annotation.HasValue)
+                {
+                    jobAnnotations.Add(annotation.Value);
+                }
+
+                await runServer.CompleteJobAsync(message.Plan.PlanId, message.JobId, TaskResult.Failed, outputs: null, stepResults: null, jobAnnotations: jobAnnotations, environmentUrl: null, CancellationToken.None);
+            }
+            catch (Exception ex)
+            {
+                Trace.Error("Fail to raise job completion back to service.");
+                Trace.Error(ex);
             }
         }
 

src/Runner.Listener/MessageListener.cs

@@ -9,20 +9,31 @@ using System.Threading;
 using System.Threading.Tasks;
 using GitHub.DistributedTask.WebApi;
 using GitHub.Runner.Common;
+using GitHub.Runner.Common.Util;
 using GitHub.Runner.Listener.Configuration;
 using GitHub.Runner.Sdk;
 using GitHub.Services.Common;
 using GitHub.Services.OAuth;
+using GitHub.Services.WebApi;
 
 namespace GitHub.Runner.Listener
 {
+    public enum CreateSessionResult
+    {
+        Success,
+        Failure,
+        SessionConflict
+    }
+
     [ServiceLocator(Default = typeof(MessageListener))]
     public interface IMessageListener : IRunnerService
     {
-        Task<Boolean> CreateSessionAsync(CancellationToken token);
+        Task<CreateSessionResult> CreateSessionAsync(CancellationToken token);
         Task DeleteSessionAsync();
         Task<TaskAgentMessage> GetNextMessageAsync(CancellationToken token);
         Task DeleteMessageAsync(TaskAgentMessage message);
+
+        Task RefreshListenerTokenAsync(CancellationToken token);
         void OnJobStatus(object sender, JobStatusEventArgs e);
     }
 
@@ -32,6 +43,7 @@ namespace GitHub.Runner.Listener
         private RunnerSettings _settings;
         private ITerminal _term;
         private IRunnerServer _runnerServer;
+        private IBrokerServer _brokerServer;
         private TaskAgentSession _session;
         private TimeSpan _getNextMessageRetryInterval;
         private bool _accessTokenRevoked = false;
@@ -41,6 +53,9 @@ namespace GitHub.Runner.Listener
         private readonly Dictionary<string, int> _sessionCreationExceptionTracker = new();
         private TaskAgentStatus runnerStatus = TaskAgentStatus.Online;
         private CancellationTokenSource _getMessagesTokenSource;
+        private VssCredentials _creds;
+
+        private bool _isBrokerSession = false;
 
         public override void Initialize(IHostContext hostContext)
         {
@@ -48,9 +63,10 @@ namespace GitHub.Runner.Listener
 
             _term = HostContext.GetService<ITerminal>();
             _runnerServer = HostContext.GetService<IRunnerServer>();
+            _brokerServer = hostContext.GetService<IBrokerServer>();
         }
 
-        public async Task<Boolean> CreateSessionAsync(CancellationToken token)
+        public async Task<CreateSessionResult> CreateSessionAsync(CancellationToken token)
         {
             Trace.Entering();
 
@@ -63,7 +79,7 @@ namespace GitHub.Runner.Listener
             // Create connection.
             Trace.Info("Loading Credentials");
             var credMgr = HostContext.GetService<ICredentialManager>();
-            VssCredentials creds = credMgr.LoadCredentials();
+            _creds = credMgr.LoadCredentials();
 
             var agent = new TaskAgentReference
             {
@@ -85,7 +101,7 @@ namespace GitHub.Runner.Listener
                 try
                 {
                     Trace.Info("Connecting to the Runner Server...");
-                    await _runnerServer.ConnectAsync(new Uri(serverUrl), creds);
+                    await _runnerServer.ConnectAsync(new Uri(serverUrl), _creds);
                     Trace.Info("VssConnection created");
 
                     _term.WriteLine();
@@ -97,6 +113,15 @@ namespace GitHub.Runner.Listener
                                                         taskAgentSession,
                                                         token);
 
+                    if (_session.BrokerMigrationMessage != null)
+                    {
+                        Trace.Info("Runner session is in migration mode: Creating Broker session with BrokerBaseUrl: {0}", _session.BrokerMigrationMessage.BrokerBaseUrl);
+
+                        await _brokerServer.UpdateConnectionIfNeeded(_session.BrokerMigrationMessage.BrokerBaseUrl, _creds);
+                        _session = await _brokerServer.CreateSessionAsync(taskAgentSession, token);
+                        _isBrokerSession = true;
+                    }
+
                     Trace.Info($"Session created.");
                     if (encounteringError)
                     {
@@ -105,7 +130,7 @@ namespace GitHub.Runner.Listener
                         encounteringError = false;
                     }
 
-                    return true;
+                    return CreateSessionResult.Success;
                 }
                 catch (OperationCanceledException) when (token.IsCancellationRequested)
                 {
@@ -123,13 +148,13 @@ namespace GitHub.Runner.Listener
                     Trace.Error("Catch exception during create session.");
                     Trace.Error(ex);
 
-                    if (ex is VssOAuthTokenRequestException vssOAuthEx && creds.Federated is VssOAuthCredential vssOAuthCred)
+                    if (ex is VssOAuthTokenRequestException vssOAuthEx && _creds.Federated is VssOAuthCredential vssOAuthCred)
                     {
                         // "invalid_client" means the runner registration has been deleted from the server.
                         if (string.Equals(vssOAuthEx.Error, "invalid_client", StringComparison.OrdinalIgnoreCase))
                         {
                             _term.WriteError("Failed to create a session. The runner registration has been deleted from the server, please re-configure. Runner registrations are automatically deleted for runners that have not connected to the service recently.");
-                            return false;
+                            return CreateSessionResult.Failure;
                         }
 
                         // Check whether we get 401 because the runner registration already removed by the service.
@@ -140,14 +165,18 @@ namespace GitHub.Runner.Listener
                         if (string.Equals(authError, "invalid_client", StringComparison.OrdinalIgnoreCase))
                         {
                             _term.WriteError("Failed to create a session. The runner registration has been deleted from the server, please re-configure. Runner registrations are automatically deleted for runners that have not connected to the service recently.");
-                            return false;
+                            return CreateSessionResult.Failure;
                         }
                     }
 
                     if (!IsSessionCreationExceptionRetriable(ex))
                     {
                         _term.WriteError($"Failed to create session. {ex.Message}");
-                        return false;
+                        if (ex is TaskAgentSessionConflictException)
+                        {
+                            return CreateSessionResult.SessionConflict;
+                        }
+                        return CreateSessionResult.Failure;
                     }
 
                     if (!encounteringError) //print the message only on the first error
@@ -171,6 +200,11 @@ namespace GitHub.Runner.Listener
                     using (var ts = new CancellationTokenSource(TimeSpan.FromSeconds(30)))
                     {
                         await _runnerServer.DeleteAgentSessionAsync(_settings.PoolId, _session.SessionId, ts.Token);
+
+                        if (_isBrokerSession)
+                        {
+                            await _brokerServer.DeleteSessionAsync(ts.Token);
+                        }
                     }
                 }
                 else
@@ -182,19 +216,17 @@ namespace GitHub.Runner.Listener
 
         public void OnJobStatus(object sender, JobStatusEventArgs e)
         {
-            if (StringUtil.ConvertToBoolean(Environment.GetEnvironmentVariable("USE_BROKER_FLOW")))
+            Trace.Info("Received job status event. JobState: {0}", e.Status);
+            runnerStatus = e.Status;
+            try
             {
-                Trace.Info("Received job status event. JobState: {0}", e.Status);
+                _getMessagesTokenSource?.Cancel();
-                runnerStatus = e.Status;
-                try
-                {
-                    _getMessagesTokenSource?.Cancel();
-                }
-                catch (ObjectDisposedException)
-                {
-                    Trace.Info("_getMessagesTokenSource is already disposed.");
-                }
             }
+            catch (ObjectDisposedException)
+            {
+                Trace.Info("_getMessagesTokenSource is already disposed.");
+            }
+
         }
 
         public async Task<TaskAgentMessage> GetNextMessageAsync(CancellationToken token)
@@ -204,6 +236,7 @@ namespace GitHub.Runner.Listener
             ArgUtil.NotNull(_settings, nameof(_settings));
             bool encounteringError = false;
             int continuousError = 0;
+            int continuousEmptyMessage = 0;
             string errorMessage = string.Empty;
             Stopwatch heartbeat = new();
             heartbeat.Restart();
@@ -219,11 +252,31 @@ namespace GitHub.Runner.Listener
                                                                 _lastMessageId,
                                                                 runnerStatus,
                                                                 BuildConstants.RunnerPackage.Version,
+                                                                VarUtil.OS,
+                                                                VarUtil.OSArchitecture,
+                                                                _settings.DisableUpdate,
                                                                 _getMessagesTokenSource.Token);
 
                     // Decrypt the message body if the session is using encryption
                     message = DecryptMessage(message);
 
+
+                    if (message != null && message.MessageType == BrokerMigrationMessage.MessageType)
+                    {
+                        Trace.Info("BrokerMigration message received. Polling Broker for messages...");
+
+                        var migrationMessage = JsonUtility.FromString<BrokerMigrationMessage>(message.Body);
+
+                        await _brokerServer.UpdateConnectionIfNeeded(migrationMessage.BrokerBaseUrl, _creds);
+                        message = await _brokerServer.GetRunnerMessageAsync(_session.SessionId,
+                                                                        runnerStatus,
+                                                                        BuildConstants.RunnerPackage.Version,
+                                                                        VarUtil.OS,
+                                                                        VarUtil.OSArchitecture,
+                                                                        _settings.DisableUpdate,
+                                                                        token);
+                    }
+
                     if (message != null)
                     {
                         _lastMessageId = message.MessageId;
@@ -262,7 +315,7 @@ namespace GitHub.Runner.Listener
                     Trace.Error(ex);
 
                     // don't retry if SkipSessionRecover = true, DT service will delete agent session to stop agent from taking more jobs.
-                    if (ex is TaskAgentSessionExpiredException && !_settings.SkipSessionRecover && await CreateSessionAsync(token))
+                    if (ex is TaskAgentSessionExpiredException && !_settings.SkipSessionRecover && (await CreateSessionAsync(token) == CreateSessionResult.Success))
                     {
                         Trace.Info($"{nameof(TaskAgentSessionExpiredException)} received, recovered by recreate session.");
                     }
@@ -307,16 +360,27 @@ namespace GitHub.Runner.Listener
 
                 if (message == null)
                 {
+                    continuousEmptyMessage++;
                     if (heartbeat.Elapsed > TimeSpan.FromMinutes(30))
                     {
                         Trace.Info($"No message retrieved from session '{_session.SessionId}' within last 30 minutes.");
                         heartbeat.Restart();
+                        continuousEmptyMessage = 0;
                     }
                     else
                     {
                         Trace.Verbose($"No message retrieved from session '{_session.SessionId}'.");
                     }
 
+                    if (continuousEmptyMessage > 50)
+                    {
+                        // retried more than 50 times in less than 30mins and still getting empty message
+                        // something is not right on the service side, backoff for 15-30s before retry
+                        _getNextMessageRetryInterval = BackoffTimerHelper.GetRandomBackoff(TimeSpan.FromSeconds(15), TimeSpan.FromSeconds(30), _getNextMessageRetryInterval);
+                        Trace.Info("Sleeping for {0} seconds before retrying.", _getNextMessageRetryInterval.TotalSeconds);
+                        await HostContext.Delay(_getNextMessageRetryInterval, token);
+                    }
+
                     continue;
                 }
 
@@ -339,6 +403,12 @@ namespace GitHub.Runner.Listener
             }
         }
 
+        public async Task RefreshListenerTokenAsync(CancellationToken cancellationToken)
+        {
+            await _runnerServer.RefreshConnectionAsync(RunnerConnectionType.MessageQueue, TimeSpan.FromSeconds(60));
+            await _brokerServer.ForceRefreshConnection(_creds);
+        }
+
         private TaskAgentMessage DecryptMessage(TaskAgentMessage message)
         {
             if (_session.EncryptionKey == null ||

src/Runner.Listener/Runner.Listener.csproj

@@ -25,12 +25,6 @@
     <PackageReference Include="System.ServiceProcess.ServiceController" Version="4.4.0" />
   </ItemGroup>
 
-  <ItemGroup>
-    <EmbeddedResource Include="..\Misc\runnercoreassets">
-      <LogicalName>GitHub.Runner.Listener.runnercoreassets</LogicalName>
-    </EmbeddedResource>
-  </ItemGroup>
-
   <PropertyGroup Condition=" '$(Configuration)' == 'Debug' ">
     <DebugType>portable</DebugType>
   </PropertyGroup>

src/Runner.Listener/Runner.cs

@@ -359,7 +359,12 @@ namespace GitHub.Runner.Listener
             {
                 Trace.Info(nameof(RunAsync));
                 _listener = GetMesageListener(settings);
-                if (!await _listener.CreateSessionAsync(HostContext.RunnerShutdownToken))
+                CreateSessionResult createSessionResult = await _listener.CreateSessionAsync(HostContext.RunnerShutdownToken);
+                if (createSessionResult == CreateSessionResult.SessionConflict)
+                {
+                    return Constants.Runner.ReturnCode.SessionConflict;
+                }
+                else if (createSessionResult == CreateSessionResult.Failure)
                 {
                     return Constants.Runner.ReturnCode.TerminatedError;
                 }
@@ -457,22 +462,13 @@ namespace GitHub.Runner.Listener
 
                             message = await getNextMessage; //get next message
                             HostContext.WritePerfCounter($"MessageReceived_{message.MessageType}");
-                            if (string.Equals(message.MessageType, AgentRefreshMessage.MessageType, StringComparison.OrdinalIgnoreCase) ||
+                            if (string.Equals(message.MessageType, AgentRefreshMessage.MessageType, StringComparison.OrdinalIgnoreCase))
-                                string.Equals(message.MessageType, RunnerRefreshMessage.MessageType, StringComparison.OrdinalIgnoreCase))
                             {
                                 if (autoUpdateInProgress == false)
                                 {
                                     autoUpdateInProgress = true;
-                                    AgentRefreshMessage runnerUpdateMessage = null;
+                                    AgentRefreshMessage runnerUpdateMessage = JsonUtility.FromString<AgentRefreshMessage>(message.Body);
-                                    if (string.Equals(message.MessageType, AgentRefreshMessage.MessageType, StringComparison.OrdinalIgnoreCase))
+
-                                    {
-                                        runnerUpdateMessage = JsonUtility.FromString<AgentRefreshMessage>(message.Body);
-                                    }
-                                    else
-                                    {
-                                        var brokerRunnerUpdateMessage = JsonUtility.FromString<RunnerRefreshMessage>(message.Body);
-                                        runnerUpdateMessage = new AgentRefreshMessage(brokerRunnerUpdateMessage.RunnerId, brokerRunnerUpdateMessage.TargetVersion, TimeSpan.FromSeconds(brokerRunnerUpdateMessage.TimeoutInSeconds));
-                                    }
 #if DEBUG
                                     // Can mock the update for testing
                                     if (StringUtil.ConvertToBoolean(Environment.GetEnvironmentVariable("GITHUB_ACTIONS_RUNNER_IS_MOCK_UPDATE")))
@@ -503,6 +499,22 @@ namespace GitHub.Runner.Listener
                                     Trace.Info("Refresh message received, skip autoupdate since a previous autoupdate is already running.");
                                 }
                             }
+                            else if (string.Equals(message.MessageType, RunnerRefreshMessage.MessageType, StringComparison.OrdinalIgnoreCase))
+                            {
+                                if (autoUpdateInProgress == false)
+                                {
+                                    autoUpdateInProgress = true;
+                                    RunnerRefreshMessage brokerRunnerUpdateMessage = JsonUtility.FromString<RunnerRefreshMessage>(message.Body);
+
+                                    var selfUpdater = HostContext.GetService<ISelfUpdaterV2>();
+                                    selfUpdateTask = selfUpdater.SelfUpdate(brokerRunnerUpdateMessage, jobDispatcher, false, HostContext.RunnerShutdownToken);
+                                    Trace.Info("Refresh message received, kick-off selfupdate background process.");
+                                }
+                                else
+                                {
+                                    Trace.Info("Refresh message received, skip autoupdate since a previous autoupdate is already running.");
+                                }
+                            }
                             else if (string.Equals(message.MessageType, JobRequestMessageTypes.PipelineAgentJobRequest, StringComparison.OrdinalIgnoreCase))
                             {
                                 if (autoUpdateInProgress || runOnceJobReceived)
@@ -560,6 +572,11 @@ namespace GitHub.Runner.Listener
                                             Trace.Info("Job is already acquired, skip this message.");
                                             continue;
                                         }
+                                        catch (Exception ex)
+                                        {
+                                            Trace.Error($"Caught exception from acquiring job message: {ex}");
+                                            continue;
+                                        }
                                     }
 
                                     jobDispatcher.Run(jobRequestMessage, runOnce);
@@ -589,6 +606,11 @@ namespace GitHub.Runner.Listener
                                 Trace.Info($"Service requests the hosted runner to shutdown. Reason: '{HostedRunnerShutdownMessage.Reason}'.");
                                 return Constants.Runner.ReturnCode.Success;
                             }
+                            else if (string.Equals(message.MessageType, TaskAgentMessageTypes.ForceTokenRefresh))
+                            {
+                                Trace.Info("Received ForceTokenRefreshMessage");
+                                await _listener.RefreshListenerTokenAsync(messageQueueLoopTokenSource.Token);
+                            }
                             else
                             {
                                 Trace.Error($"Received message {message.MessageId} with unsupported message type {message.MessageType}.");
@@ -627,6 +649,7 @@ namespace GitHub.Runner.Listener
                     {
                         try
                         {
+                            Trace.Info("Deleting Runner Session...");
                             await _listener.DeleteSessionAsync();
                         }
                         catch (Exception ex) when (runOnce)

src/Runner.Listener/SelfUpdater.cs

@@ -6,13 +6,11 @@ using System.IO;
 using System.IO.Compression;
 using System.Linq;
 using System.Net.Http;
-using System.Reflection;
 using System.Security.Cryptography;
 using System.Threading;
 using System.Threading.Tasks;
 using GitHub.DistributedTask.WebApi;
 using GitHub.Runner.Common;
-using GitHub.Runner.Common.Util;
 using GitHub.Runner.Sdk;
 using GitHub.Services.Common;
 using GitHub.Services.WebApi;
@@ -30,20 +28,14 @@ namespace GitHub.Runner.Listener
     {
         private static string _packageType = "agent";
         private static string _platform = BuildConstants.RunnerPackage.PackageName;
-        private static string _dotnetRuntime = "dotnetRuntime";
-        private static string _externals = "externals";
-        private readonly Dictionary<string, string> _contentHashes = new();
 
         private PackageMetadata _targetPackage;
         private ITerminal _terminal;
         private IRunnerServer _runnerServer;
         private int _poolId;
         private ulong _agentId;
+        private const int _numberOfOldVersionsToKeep = 1;
         private readonly ConcurrentQueue<string> _updateTrace = new();
-        private Task _cloneAndCalculateContentHashTask;
-        private string _dotnetRuntimeCloneDirectory;
-        private string _externalsCloneDirectory;
-
         public bool Busy { get; private set; }
 
         public override void Initialize(IHostContext hostContext)
@@ -56,8 +48,6 @@ namespace GitHub.Runner.Listener
             var settings = configStore.GetSettings();
             _poolId = settings.PoolId;
             _agentId = settings.AgentId;
-            _dotnetRuntimeCloneDirectory = Path.Combine(HostContext.GetDirectory(WellKnownDirectory.Work), "__dotnet_runtime__");
-            _externalsCloneDirectory = Path.Combine(HostContext.GetDirectory(WellKnownDirectory.Work), "__externals__");
         }
 
         public async Task<bool> SelfUpdate(AgentRefreshMessage updateMessage, IJobDispatcher jobDispatcher, bool restartInteractiveRunner, CancellationToken token)
@@ -67,13 +57,6 @@ namespace GitHub.Runner.Listener
             {
                 var totalUpdateTime = Stopwatch.StartNew();
 
-                // Copy dotnet runtime and externals of current runner to a temp folder
-                // So we can re-use them with trimmed runner package, if possible.
-                // This process is best effort, if we can't use trimmed runner package, 
-                // we will just go with the full package.
-                var linkedTokenSource = CancellationTokenSource.CreateLinkedTokenSource(token);
-                _cloneAndCalculateContentHashTask = CloneAndCalculateAssetsHash(_dotnetRuntimeCloneDirectory, _externalsCloneDirectory, linkedTokenSource.Token);
-
                 if (!await UpdateNeeded(updateMessage.TargetVersion, token))
                 {
                     Trace.Info($"Can't find available update package.");
@@ -87,24 +70,6 @@ namespace GitHub.Runner.Listener
                 await UpdateRunnerUpdateStateAsync("Runner update in progress, do not shutdown runner.");
                 await UpdateRunnerUpdateStateAsync($"Downloading {_targetPackage.Version} runner");
 
-                if (_targetPackage.TrimmedPackages?.Count > 0)
-                {
-                    // wait for cloning assets task to finish only if we have trimmed packages
-                    await _cloneAndCalculateContentHashTask;
-                }
-                else
-                {
-                    linkedTokenSource.Cancel();
-                    try
-                    {
-                        await _cloneAndCalculateContentHashTask;
-                    }
-                    catch (Exception ex)
-                    {
-                        Trace.Info($"Ingore errors after cancelling cloning assets task: {ex}");
-                    }
-                }
-
                 await DownloadLatestRunner(token, updateMessage.TargetVersion);
                 Trace.Info($"Download latest runner and unzip into runner root.");
 
@@ -218,54 +183,8 @@ namespace GitHub.Runner.Listener
             string archiveFile = null;
             var packageDownloadUrl = _targetPackage.DownloadUrl;
             var packageHashValue = _targetPackage.HashValue;
-            var runtimeTrimmed = false;
-            var externalsTrimmed = false;
-            var fallbackToFullPackage = false;
-
-            // Only try trimmed package if sever sends them and we have calculated hash value of the current runtime/externals.
-            if (_contentHashes.Count == 2 &&
-                _contentHashes.ContainsKey(_dotnetRuntime) &&
-                _contentHashes.ContainsKey(_externals) &&
-                _targetPackage.TrimmedPackages?.Count > 0)
-            {
-                Trace.Info($"Current runner content hash: {StringUtil.ConvertToJson(_contentHashes)}");
-                Trace.Info($"Trimmed packages info from service: {StringUtil.ConvertToJson(_targetPackage.TrimmedPackages)}");
-                // Try to see whether we can use any size trimmed down package to speed up runner updates.
-                foreach (var trimmedPackage in _targetPackage.TrimmedPackages)
-                {
-                    if (trimmedPackage.TrimmedContents.Count == 2 &&
-                        trimmedPackage.TrimmedContents.TryGetValue(_dotnetRuntime, out var trimmedRuntimeHash) &&
-                        trimmedRuntimeHash == _contentHashes[_dotnetRuntime] &&
-                        trimmedPackage.TrimmedContents.TryGetValue(_externals, out var trimmedExternalsHash) &&
-                        trimmedExternalsHash == _contentHashes[_externals])
-                    {
-                        Trace.Info($"Use trimmed (runtime+externals) package '{trimmedPackage.DownloadUrl}' to update runner.");
-                        packageDownloadUrl = trimmedPackage.DownloadUrl;
-                        packageHashValue = trimmedPackage.HashValue;
-                        runtimeTrimmed = true;
-                        externalsTrimmed = true;
-                        break;
-                    }
-                    else if (trimmedPackage.TrimmedContents.Count == 1 &&
-                             trimmedPackage.TrimmedContents.TryGetValue(_externals, out trimmedExternalsHash) &&
-                             trimmedExternalsHash == _contentHashes[_externals])
-                    {
-                        Trace.Info($"Use trimmed (externals) package '{trimmedPackage.DownloadUrl}' to update runner.");
-                        packageDownloadUrl = trimmedPackage.DownloadUrl;
-                        packageHashValue = trimmedPackage.HashValue;
-                        externalsTrimmed = true;
-                        break;
-                    }
-                    else
-                    {
-                        Trace.Info($"Can't use trimmed package from '{trimmedPackage.DownloadUrl}' since the current runner does not carry those trimmed content (Hash mismatch).");
-                    }
-                }
-            }
 
             _updateTrace.Enqueue($"DownloadUrl: {packageDownloadUrl}");
-            _updateTrace.Enqueue($"RuntimeTrimmed: {runtimeTrimmed}");
-            _updateTrace.Enqueue($"ExternalsTrimmed: {externalsTrimmed}");
 
             try
             {
@@ -323,12 +242,6 @@ namespace GitHub.Runner.Listener
 
                 await ExtractRunnerPackage(archiveFile, latestRunnerDirectory, token);
             }
-            catch (Exception ex) when (runtimeTrimmed || externalsTrimmed)
-            {
-                // if anything failed when we use trimmed package (download/validatehase/extract), try again with the full runner package.
-                Trace.Error($"Fail to download latest runner using trimmed package: {ex}");
-                fallbackToFullPackage = true;
-            }
             finally
             {
                 try
@@ -347,74 +260,6 @@ namespace GitHub.Runner.Listener
                 }
             }
 
-            var trimmedPackageRestoreTasks = new List<Task<bool>>();
-            if (!fallbackToFullPackage)
-            {
-                // Skip restoring externals and runtime if we are going to fullback to the full package.
-                if (externalsTrimmed)
-                {
-                    trimmedPackageRestoreTasks.Add(RestoreTrimmedExternals(latestRunnerDirectory, token));
-                }
-                if (runtimeTrimmed)
-                {
-                    trimmedPackageRestoreTasks.Add(RestoreTrimmedDotnetRuntime(latestRunnerDirectory, token));
-                }
-            }
-
-            if (trimmedPackageRestoreTasks.Count > 0)
-            {
-                var restoreResults = await Task.WhenAll(trimmedPackageRestoreTasks);
-                if (restoreResults.Any(x => x == false))
-                {
-                    // if any of the restore failed, fallback to full package.
-                    fallbackToFullPackage = true;
-                }
-            }
-
-            if (fallbackToFullPackage)
-            {
-                Trace.Error("Something wrong with the trimmed runner package, failback to use the full package for runner updates.");
-                _updateTrace.Enqueue($"FallbackToFullPackage: {fallbackToFullPackage}");
-
-                IOUtil.DeleteDirectory(latestRunnerDirectory, token);
-                Directory.CreateDirectory(latestRunnerDirectory);
-
-                packageDownloadUrl = _targetPackage.DownloadUrl;
-                packageHashValue = _targetPackage.HashValue;
-                _updateTrace.Enqueue($"DownloadUrl: {packageDownloadUrl}");
-
-                try
-                {
-                    archiveFile = await DownLoadRunner(latestRunnerDirectory, packageDownloadUrl, packageHashValue, token);
-
-                    if (string.IsNullOrEmpty(archiveFile))
-                    {
-                        throw new TaskCanceledException($"Runner package '{packageDownloadUrl}' failed after {Constants.RunnerDownloadRetryMaxAttempts} download attempts");
-                    }
-
-                    await ValidateRunnerHash(archiveFile, packageHashValue);
-
-                    await ExtractRunnerPackage(archiveFile, latestRunnerDirectory, token);
-                }
-                finally
-                {
-                    try
-                    {
-                        // delete .zip file
-                        if (!string.IsNullOrEmpty(archiveFile) && File.Exists(archiveFile))
-                        {
-                            Trace.Verbose("Deleting latest runner package zip: {0}", archiveFile);
-                            IOUtil.DeleteFile(archiveFile);
-                        }
-                    }
-                    catch (Exception ex)
-                    {
-                        //it is not critical if we fail to delete the .zip file
-                        Trace.Warning("Failed to delete runner package zip '{0}'. Exception: {1}", archiveFile, ex);
-                    }
-                }
-            }
-
             await CopyLatestRunnerToRoot(latestRunnerDirectory, token);
         }
 
@@ -665,9 +510,9 @@ namespace GitHub.Runner.Listener
 
             // delete old bin.2.99.0 folder, only leave the current version and the latest download version
             var allBinDirs = Directory.GetDirectories(HostContext.GetDirectory(WellKnownDirectory.Root), "bin.*");
-            if (allBinDirs.Length > 2)
+            if (allBinDirs.Length > _numberOfOldVersionsToKeep)
             {
-                // there are more than 2 bin.version folder.
+                // there are more than one bin.version folder.
                 // delete older bin.version folders.
                 foreach (var oldBinDir in allBinDirs)
                 {
@@ -694,9 +539,9 @@ namespace GitHub.Runner.Listener
 
             // delete old externals.2.99.0 folder, only leave the current version and the latest download version
             var allExternalsDirs = Directory.GetDirectories(HostContext.GetDirectory(WellKnownDirectory.Root), "externals.*");
-            if (allExternalsDirs.Length > 2)
+            if (allExternalsDirs.Length > _numberOfOldVersionsToKeep)
             {
-                // there are more than 2 externals.version folder.
+                // there are more than one externals.version folder.
                 // delete older externals.version folders.
                 foreach (var oldExternalDir in allExternalsDirs)
                 {
@@ -795,330 +640,5 @@ namespace GitHub.Runner.Listener
                 Trace.Info($"Catch exception during report update state, ignore this error and continue auto-update.");
             }
         }
-
-        private async Task<bool> RestoreTrimmedExternals(string downloadDirectory, CancellationToken token)
-        {
-            // Copy the current runner's externals if we are using a externals trimmed package
-            // Execute the node.js to make sure the copied externals is working.
-            var stopWatch = Stopwatch.StartNew();
-            try
-            {
-                Trace.Info($"Copy {_externalsCloneDirectory} to {Path.Combine(downloadDirectory, Constants.Path.ExternalsDirectory)}.");
-                IOUtil.CopyDirectory(_externalsCloneDirectory, Path.Combine(downloadDirectory, Constants.Path.ExternalsDirectory), token);
-
-                // try run node.js to see if current node.js works fine after copy over to new location.
-                var nodeVersions = NodeUtil.BuiltInNodeVersions;
-                foreach (var nodeVersion in nodeVersions)
-                {
-                    var newNodeBinary = Path.Combine(downloadDirectory, Constants.Path.ExternalsDirectory, nodeVersion, "bin", $"node{IOUtil.ExeExtension}");
-                    if (File.Exists(newNodeBinary))
-                    {
-                        using (var p = HostContext.CreateService<IProcessInvoker>())
-                        {
-                            var outputs = "";
-                            p.ErrorDataReceived += (_, data) =>
-                            {
-                                if (!string.IsNullOrEmpty(data.Data))
-                                {
-                                    Trace.Error(data.Data);
-                                }
-                            };
-                            p.OutputDataReceived += (_, data) =>
-                            {
-                                if (!string.IsNullOrEmpty(data.Data))
-                                {
-                                    Trace.Info(data.Data);
-                                    outputs = data.Data;
-                                }
-                            };
-                            var exitCode = await p.ExecuteAsync(HostContext.GetDirectory(WellKnownDirectory.Root), newNodeBinary, $"-e \"console.log('{nameof(RestoreTrimmedExternals)}')\"", null, token);
-                            if (exitCode != 0)
-                            {
-                                Trace.Error($"{newNodeBinary} -e \"console.log()\" failed with exit code {exitCode}");
-                                return false;
-                            }
-
-                            if (!string.Equals(outputs, nameof(RestoreTrimmedExternals), StringComparison.OrdinalIgnoreCase))
-                            {
-                                Trace.Error($"{newNodeBinary} -e \"console.log()\" did not output expected content.");
-                                return false;
-                            }
-                        }
-                    }
-                }
-
-                return true;
-            }
-            catch (Exception ex)
-            {
-                Trace.Error($"Fail to restore externals for trimmed package: {ex}");
-                return false;
-            }
-            finally
-            {
-                stopWatch.Stop();
-                _updateTrace.Enqueue($"{nameof(RestoreTrimmedExternals)}Time: {stopWatch.ElapsedMilliseconds}ms");
-            }
-        }
-
-        private async Task<bool> RestoreTrimmedDotnetRuntime(string downloadDirectory, CancellationToken token)
-        {
-            // Copy the current runner's dotnet runtime if we are using a dotnet runtime trimmed package
-            // Execute the runner.listener to make sure the copied runtime is working.
-            var stopWatch = Stopwatch.StartNew();
-            try
-            {
-                Trace.Info($"Copy {_dotnetRuntimeCloneDirectory} to {Path.Combine(downloadDirectory, Constants.Path.BinDirectory)}.");
-                IOUtil.CopyDirectory(_dotnetRuntimeCloneDirectory, Path.Combine(downloadDirectory, Constants.Path.BinDirectory), token);
-
-                // try run the runner executable to see if current dotnet runtime + future runner binary works fine.
-                var newRunnerBinary = Path.Combine(downloadDirectory, Constants.Path.BinDirectory, "Runner.Listener");
-                using (var p = HostContext.CreateService<IProcessInvoker>())
-                {
-                    p.ErrorDataReceived += (_, data) =>
-                    {
-                        if (!string.IsNullOrEmpty(data.Data))
-                        {
-                            Trace.Error(data.Data);
-                        }
-                    };
-                    p.OutputDataReceived += (_, data) =>
-                    {
-                        if (!string.IsNullOrEmpty(data.Data))
-                        {
-                            Trace.Info(data.Data);
-                        }
-                    };
-                    var exitCode = await p.ExecuteAsync(HostContext.GetDirectory(WellKnownDirectory.Root), newRunnerBinary, "--version", null, token);
-                    if (exitCode != 0)
-                    {
-                        Trace.Error($"{newRunnerBinary} --version failed with exit code {exitCode}");
-                        return false;
-                    }
-                    else
-                    {
-                        return true;
-                    }
-                }
-            }
-            catch (Exception ex)
-            {
-                Trace.Error($"Fail to restore dotnet runtime for trimmed package: {ex}");
-                return false;
-            }
-            finally
-            {
-                stopWatch.Stop();
-                _updateTrace.Enqueue($"{nameof(RestoreTrimmedDotnetRuntime)}Time: {stopWatch.ElapsedMilliseconds}ms");
-            }
-        }
-
-        private async Task CloneAndCalculateAssetsHash(string dotnetRuntimeCloneDirectory, string externalsCloneDirectory, CancellationToken token)
-        {
-            var runtimeCloneTask = CloneDotnetRuntime(dotnetRuntimeCloneDirectory, token);
-            var externalsCloneTask = CloneExternals(externalsCloneDirectory, token);
-
-            var waitingTasks = new Dictionary<string, Task>()
-            {
-                {nameof(CloneDotnetRuntime), runtimeCloneTask},
-                {nameof(CloneExternals),externalsCloneTask}
-            };
-
-            while (waitingTasks.Count > 0)
-            {
-                Trace.Info($"Waiting for {waitingTasks.Count} tasks to complete.");
-                var complatedTask = await Task.WhenAny(waitingTasks.Values);
-                if (waitingTasks.ContainsKey(nameof(CloneExternals)) &&
-                    complatedTask == waitingTasks[nameof(CloneExternals)])
-                {
-                    Trace.Info($"Externals clone finished.");
-                    waitingTasks.Remove(nameof(CloneExternals));
-                    try
-                    {
-                        if (await externalsCloneTask && !token.IsCancellationRequested)
-                        {
-                            var externalsHash = await HashFiles(externalsCloneDirectory, token);
-                            Trace.Info($"Externals content hash: {externalsHash}");
-                            _contentHashes[_externals] = externalsHash;
-                            _updateTrace.Enqueue($"ExternalsHash: {_contentHashes[_externals]}");
-                        }
-                        else
-                        {
-                            Trace.Error($"Skip compute hash since clone externals failed/cancelled.");
-                        }
-                    }
-                    catch (Exception ex)
-                    {
-                        Trace.Error($"Fail to hash externals content: {ex}");
-                    }
-                }
-                else if (waitingTasks.ContainsKey(nameof(CloneDotnetRuntime)) &&
-                         complatedTask == waitingTasks[nameof(CloneDotnetRuntime)])
-                {
-                    Trace.Info($"Dotnet runtime clone finished.");
-                    waitingTasks.Remove(nameof(CloneDotnetRuntime));
-                    try
-                    {
-                        if (await runtimeCloneTask && !token.IsCancellationRequested)
-                        {
-                            var runtimeHash = await HashFiles(dotnetRuntimeCloneDirectory, token);
-                            Trace.Info($"Runtime content hash: {runtimeHash}");
-                            _contentHashes[_dotnetRuntime] = runtimeHash;
-                            _updateTrace.Enqueue($"DotnetRuntimeHash: {_contentHashes[_dotnetRuntime]}");
-                        }
-                        else
-                        {
-                            Trace.Error($"Skip compute hash since clone dotnet runtime failed/cancelled.");
-                        }
-                    }
-                    catch (Exception ex)
-                    {
-                        Trace.Error($"Fail to hash runtime content: {ex}");
-                    }
-                }
-
-                Trace.Info($"Still waiting for {waitingTasks.Count} tasks to complete.");
-            }
-        }
-
-        private async Task<bool> CloneDotnetRuntime(string runtimeDir, CancellationToken token)
-        {
-            var stopWatch = Stopwatch.StartNew();
-            try
-            {
-                Trace.Info($"Cloning dotnet runtime to {runtimeDir}");
-                IOUtil.DeleteDirectory(runtimeDir, CancellationToken.None);
-                Directory.CreateDirectory(runtimeDir);
-
-                var assembly = Assembly.GetExecutingAssembly();
-                var assetsContent = default(string);
-                using (var stream = assembly.GetManifestResourceStream("GitHub.Runner.Listener.runnercoreassets"))
-                using (var streamReader = new StreamReader(stream))
-                {
-                    assetsContent = await streamReader.ReadToEndAsync();
-                }
-
-                if (!string.IsNullOrEmpty(assetsContent))
-                {
-                    var runnerCoreAssets = assetsContent.Split(new[] { "\n", "\r\n" }, StringSplitOptions.RemoveEmptyEntries);
-                    if (runnerCoreAssets.Length > 0)
-                    {
-                        var binDir = HostContext.GetDirectory(WellKnownDirectory.Bin);
-                        IOUtil.CopyDirectory(binDir, runtimeDir, token);
-
-                        var clonedFile = 0;
-                        foreach (var file in Directory.EnumerateFiles(runtimeDir, "*", SearchOption.AllDirectories))
-                        {
-                            token.ThrowIfCancellationRequested();
-                            if (runnerCoreAssets.Any(x => file.Replace(Path.DirectorySeparatorChar, Path.AltDirectorySeparatorChar).EndsWith(x.Trim())))
-                            {
-                                Trace.Verbose($"{file} is part of the runner core, delete from cloned runtime directory.");
-                                IOUtil.DeleteFile(file);
-                            }
-                            else
-                            {
-                                clonedFile++;
-                            }
-                        }
-
-                        Trace.Info($"Successfully cloned dotnet runtime to {runtimeDir}. Total files: {clonedFile}");
-                        return true;
-                    }
-                }
-            }
-            catch (Exception ex)
-            {
-                Trace.Error($"Fail to clone dotnet runtime to {runtimeDir}");
-                Trace.Error(ex);
-            }
-            finally
-            {
-                stopWatch.Stop();
-                _updateTrace.Enqueue($"{nameof(CloneDotnetRuntime)}Time: {stopWatch.ElapsedMilliseconds}ms");
-            }
-
-            return false;
-        }
-
-        private Task<bool> CloneExternals(string externalsDir, CancellationToken token)
-        {
-            var stopWatch = Stopwatch.StartNew();
-            try
-            {
-                Trace.Info($"Cloning externals to {externalsDir}");
-                IOUtil.DeleteDirectory(externalsDir, CancellationToken.None);
-                Directory.CreateDirectory(externalsDir);
-                IOUtil.CopyDirectory(HostContext.GetDirectory(WellKnownDirectory.Externals), externalsDir, token);
-                Trace.Info($"Successfully cloned externals to {externalsDir}.");
-                return Task.FromResult(true);
-            }
-            catch (Exception ex)
-            {
-                Trace.Error($"Fail to clone externals to {externalsDir}");
-                Trace.Error(ex);
-            }
-            finally
-            {
-                stopWatch.Stop();
-                _updateTrace.Enqueue($"{nameof(CloneExternals)}Time: {stopWatch.ElapsedMilliseconds}ms");
-            }
-
-            return Task.FromResult(false);
-        }
-
-        private async Task<string> HashFiles(string fileFolder, CancellationToken token)
-        {
-            Trace.Info($"Calculating hash for {fileFolder}");
-
-            var stopWatch = Stopwatch.StartNew();
-            string binDir = HostContext.GetDirectory(WellKnownDirectory.Bin);
-            string node = Path.Combine(HostContext.GetDirectory(WellKnownDirectory.Externals), NodeUtil.GetInternalNodeVersion(), "bin", $"node{IOUtil.ExeExtension}");
-            string hashFilesScript = Path.Combine(binDir, "hashFiles");
-            var hashResult = string.Empty;
-
-            using (var processInvoker = HostContext.CreateService<IProcessInvoker>())
-            {
-                processInvoker.ErrorDataReceived += (_, data) =>
-                {
-                    if (!string.IsNullOrEmpty(data.Data) && data.Data.StartsWith("__OUTPUT__") && data.Data.EndsWith("__OUTPUT__"))
-                    {
-                        hashResult = data.Data.Substring(10, data.Data.Length - 20);
-                        Trace.Info($"Hash result: '{hashResult}'");
-                    }
-                    else
-                    {
-                        Trace.Info(data.Data);
-                    }
-                };
-
-                processInvoker.OutputDataReceived += (_, data) =>
-                {
-                    Trace.Verbose(data.Data);
-                };
-
-                var env = new Dictionary<string, string>
-                {
-                    ["patterns"] = "**"
-                };
-
-                int exitCode = await processInvoker.ExecuteAsync(workingDirectory: fileFolder,
-                                              fileName: node,
-                                              arguments: $"\"{hashFilesScript.Replace("\"", "\\\"")}\"",
-                                              environment: env,
-                                              requireExitCodeZero: false,
-                                              outputEncoding: null,
-                                              killProcessOnCancel: true,
-                                              cancellationToken: token);
-
-                if (exitCode != 0)
-                {
-                    Trace.Error($"hashFiles returns '{exitCode}' failed. Fail to hash files under directory '{fileFolder}'");
-                }
-
-                stopWatch.Stop();
-                _updateTrace.Enqueue($"{nameof(HashFiles)}{Path.GetFileName(fileFolder)}Time: {stopWatch.ElapsedMilliseconds}ms");
-                return hashResult;
-            }
-        }
     }
 }

src/Runner.Listener/SelfUpdaterV2.cs

@@ -0,0 +1,568 @@
+using System;
+using System.Collections.Concurrent;
+using System.Collections.Generic;
+using System.Diagnostics;
+using System.IO;
+using System.IO.Compression;
+using System.Linq;
+using System.Net.Http;
+using System.Reflection;
+using System.Security.Cryptography;
+using System.Threading;
+using System.Threading.Tasks;
+using GitHub.DistributedTask.WebApi;
+using GitHub.Runner.Common;
+using GitHub.Runner.Common.Util;
+using GitHub.Runner.Sdk;
+using GitHub.Services.Common;
+using GitHub.Services.WebApi;
+
+namespace GitHub.Runner.Listener
+{
+    // This class is a fork of SelfUpdater.cs and is intended to only be used for the
+    // new self-update flow where the PackageMetadata is sent in the message directly. 
+    // Forking the class prevents us from accidentally breaking the old flow while it's still in production
+
+    [ServiceLocator(Default = typeof(SelfUpdaterV2))]
+    public interface ISelfUpdaterV2 : IRunnerService
+    {
+        bool Busy { get; }
+        Task<bool> SelfUpdate(RunnerRefreshMessage updateMessage, IJobDispatcher jobDispatcher, bool restartInteractiveRunner, CancellationToken token);
+    }
+    public class SelfUpdaterV2 : RunnerService, ISelfUpdaterV2
+    {
+        private static string _platform = BuildConstants.RunnerPackage.PackageName;
+        private ITerminal _terminal;
+        private IRunnerServer _runnerServer;
+        private int _poolId;
+        private ulong _agentId;
+
+        private const int _numberOfOldVersionsToKeep = 1;
+
+        private readonly ConcurrentQueue<string> _updateTrace = new();
+        public bool Busy { get; private set; }
+
+        public override void Initialize(IHostContext hostContext)
+        {
+            base.Initialize(hostContext);
+
+            _terminal = hostContext.GetService<ITerminal>();
+            _runnerServer = HostContext.GetService<IRunnerServer>();
+            var configStore = HostContext.GetService<IConfigurationStore>();
+            var settings = configStore.GetSettings();
+            _poolId = settings.PoolId;
+            _agentId = settings.AgentId;
+        }
+
+        public async Task<bool> SelfUpdate(RunnerRefreshMessage updateMessage, IJobDispatcher jobDispatcher, bool restartInteractiveRunner, CancellationToken token)
+        {
+            Busy = true;
+            try
+            {
+                var totalUpdateTime = Stopwatch.StartNew();
+
+                Trace.Info($"An update is available.");
+                _updateTrace.Enqueue($"RunnerPlatform: {updateMessage.OS}");
+
+                // Print console line that warn user not shutdown runner.
+                _terminal.WriteLine("Runner update in progress, do not shutdown runner.");
+                _terminal.WriteLine($"Downloading {updateMessage.TargetVersion} runner");
+
+                await DownloadLatestRunner(token, updateMessage.TargetVersion, updateMessage.DownloadUrl, updateMessage.SHA256Checksum, updateMessage.OS);
+                Trace.Info($"Download latest runner and unzip into runner root.");
+
+                // wait till all running job finish
+                _terminal.WriteLine("Waiting for current job finish running.");
+
+                await jobDispatcher.WaitAsync(token);
+                Trace.Info($"All running job has exited.");
+
+                // We need to keep runner backup around for macOS until we fixed https://github.com/actions/runner/issues/743
+                // delete runner backup
+                var stopWatch = Stopwatch.StartNew();
+                DeletePreviousVersionRunnerBackup(token, updateMessage.TargetVersion);
+                Trace.Info($"Delete old version runner backup.");
+                stopWatch.Stop();
+                // generate update script from template
+                _updateTrace.Enqueue($"DeleteRunnerBackupTime: {stopWatch.ElapsedMilliseconds}ms");
+                _terminal.WriteLine("Generate and execute update script.");
+
+                string updateScript = GenerateUpdateScript(restartInteractiveRunner, updateMessage.TargetVersion);
+                Trace.Info($"Generate update script into: {updateScript}");
+
+
+#if DEBUG
+                // For L0, we will skip execute update script.
+                if (string.IsNullOrEmpty(Environment.GetEnvironmentVariable("_GITHUB_ACTION_EXECUTE_UPDATE_SCRIPT")))
+#endif
+                {
+                    string flagFile = "update.finished";
+                    IOUtil.DeleteFile(flagFile);
+                    // kick off update script
+                    Process invokeScript = new();
+#if OS_WINDOWS
+                    invokeScript.StartInfo.FileName = WhichUtil.Which("cmd.exe", trace: Trace);
+                    invokeScript.StartInfo.Arguments = $"/c \"{updateScript}\"";
+#elif (OS_OSX || OS_LINUX)
+                    invokeScript.StartInfo.FileName = WhichUtil.Which("bash", trace: Trace);
+                    invokeScript.StartInfo.Arguments = $"\"{updateScript}\"";
+#endif
+                    invokeScript.Start();
+                    Trace.Info($"Update script start running");
+                }
+
+                totalUpdateTime.Stop();
+
+                _updateTrace.Enqueue($"TotalUpdateTime: {totalUpdateTime.ElapsedMilliseconds}ms");
+                _terminal.WriteLine("Runner will exit shortly for update, should be back online within 10 seconds.");
+
+                return true;
+            }
+            catch (Exception ex)
+            {
+                _updateTrace.Enqueue(ex.ToString());
+                throw;
+            }
+            finally
+            {
+                _terminal.WriteLine("Runner update process finished.");
+                Busy = false;
+            }
+        }
+
+        /// <summary>
+        /// _work
+        ///     \_update
+        ///            \bin
+        ///            \externals
+        ///            \run.sh
+        ///            \run.cmd
+        ///            \package.zip //temp download .zip/.tar.gz
+        /// </summary>
+        /// <param name="token"></param>
+        /// <returns></returns>
+        private async Task DownloadLatestRunner(CancellationToken token, string targetVersion, string packageDownloadUrl, string packageHashValue, string targetPlatform)
+        {
+            string latestRunnerDirectory = Path.Combine(HostContext.GetDirectory(WellKnownDirectory.Work), Constants.Path.UpdateDirectory);
+            IOUtil.DeleteDirectory(latestRunnerDirectory, token);
+            Directory.CreateDirectory(latestRunnerDirectory);
+
+            string archiveFile = null;
+
+            _updateTrace.Enqueue($"DownloadUrl: {packageDownloadUrl}");
+
+            try
+            {
+#if DEBUG
+                // Much of the update process (targetVersion, archive) is server-side, this is a way to control it from here for testing specific update scenarios
+                // Add files like 'runner2.281.2.tar.gz' or 'runner2.283.0.zip' (depending on your platform) to your runner root folder
+                // Note that runners still need to be older than the server's runner version in order to receive an 'AgentRefreshMessage' and trigger this update
+                // Wrapped in #if DEBUG as this should not be in the RELEASE build
+                if (StringUtil.ConvertToBoolean(Environment.GetEnvironmentVariable("GITHUB_ACTIONS_RUNNER_IS_MOCK_UPDATE")))
+                {
+                    var waitForDebugger = StringUtil.ConvertToBoolean(Environment.GetEnvironmentVariable("GITHUB_ACTIONS_RUNNER_IS_MOCK_UPDATE_WAIT_FOR_DEBUGGER"));
+                    if (waitForDebugger)
+                    {
+                        int waitInSeconds = 20;
+                        while (!Debugger.IsAttached && waitInSeconds-- > 0)
+                        {
+                            await Task.Delay(1000);
+                        }
+                        Debugger.Break();
+                    }
+
+                    if (targetPlatform.StartsWith("win"))
+                    {
+                        archiveFile = Path.Combine(HostContext.GetDirectory(WellKnownDirectory.Root), $"runner{targetVersion}.zip");
+                    }
+                    else
+                    {
+                        archiveFile = Path.Combine(HostContext.GetDirectory(WellKnownDirectory.Root), $"runner{targetVersion}.tar.gz");
+                    }
+
+                    if (File.Exists(archiveFile))
+                    {
+                        _updateTrace.Enqueue($"Mocking update with file: '{archiveFile}' and targetVersion: '{targetVersion}', nothing is downloaded");
+                        _terminal.WriteLine($"Mocking update with file: '{archiveFile}' and targetVersion: '{targetVersion}', nothing is downloaded");
+                    }
+                    else
+                    {
+                        archiveFile = null;
+                        _terminal.WriteLine($"Mock runner archive not found at {archiveFile} for target version {targetVersion}, proceeding with download instead");
+                        _updateTrace.Enqueue($"Mock runner archive not found at {archiveFile} for target version {targetVersion}, proceeding with download instead");
+                    }
+                }
+#endif
+                // archiveFile is not null only if we mocked it above
+                if (string.IsNullOrEmpty(archiveFile))
+                {
+                    archiveFile = await DownLoadRunner(latestRunnerDirectory, packageDownloadUrl, packageHashValue, targetPlatform, token);
+
+                    if (string.IsNullOrEmpty(archiveFile))
+                    {
+                        throw new TaskCanceledException($"Runner package '{packageDownloadUrl}' failed after {Constants.RunnerDownloadRetryMaxAttempts} download attempts");
+                    }
+                    await ValidateRunnerHash(archiveFile, packageHashValue);
+                }
+
+                await ExtractRunnerPackage(archiveFile, latestRunnerDirectory, token);
+            }
+            finally
+            {
+                try
+                {
+                    // delete .zip file
+                    if (!string.IsNullOrEmpty(archiveFile) && File.Exists(archiveFile))
+                    {
+                        Trace.Verbose("Deleting latest runner package zip: {0}", archiveFile);
+                        IOUtil.DeleteFile(archiveFile);
+                    }
+                }
+                catch (Exception ex)
+                {
+                    //it is not critical if we fail to delete the .zip file
+                    Trace.Warning("Failed to delete runner package zip '{0}'. Exception: {1}", archiveFile, ex);
+                }
+            }
+
+            await CopyLatestRunnerToRoot(latestRunnerDirectory, targetVersion, token);
+        }
+
+        private async Task<string> DownLoadRunner(string downloadDirectory, string packageDownloadUrl, string packageHashValue, string packagePlatform, CancellationToken token)
+        {
+            var stopWatch = Stopwatch.StartNew();
+            int runnerSuffix = 1;
+            string archiveFile = null;
+            bool downloadSucceeded = false;
+
+            // Download the runner, using multiple attempts in order to be resilient against any networking/CDN issues
+            for (int attempt = 1; attempt <= Constants.RunnerDownloadRetryMaxAttempts; attempt++)
+            {
+                // Generate an available package name, and do our best effort to clean up stale local zip files
+                while (true)
+                {
+                    if (packagePlatform.StartsWith("win"))
+                    {
+                        archiveFile = Path.Combine(downloadDirectory, $"runner{runnerSuffix}.zip");
+                    }
+                    else
+                    {
+                        archiveFile = Path.Combine(downloadDirectory, $"runner{runnerSuffix}.tar.gz");
+                    }
+
+                    try
+                    {
+                        // delete .zip file
+                        if (!string.IsNullOrEmpty(archiveFile) && File.Exists(archiveFile))
+                        {
+                            Trace.Verbose("Deleting latest runner package zip '{0}'", archiveFile);
+                            IOUtil.DeleteFile(archiveFile);
+                        }
+
+                        break;
+                    }
+                    catch (Exception ex)
+                    {
+                        // couldn't delete the file for whatever reason, so generate another name
+                        Trace.Warning("Failed to delete runner package zip '{0}'. Exception: {1}", archiveFile, ex);
+                        runnerSuffix++;
+                    }
+                }
+
+                // Allow a 15-minute package download timeout, which is good enough to update the runner from a 1 Mbit/s ADSL connection.
+                if (!int.TryParse(Environment.GetEnvironmentVariable("GITHUB_ACTIONS_RUNNER_DOWNLOAD_TIMEOUT") ?? string.Empty, out int timeoutSeconds))
+                {
+                    timeoutSeconds = 15 * 60;
+                }
+
+                Trace.Info($"Attempt {attempt}: save latest runner into {archiveFile}.");
+
+                using (var downloadTimeout = new CancellationTokenSource(TimeSpan.FromSeconds(timeoutSeconds)))
+                using (var downloadCts = CancellationTokenSource.CreateLinkedTokenSource(downloadTimeout.Token, token))
+                {
+                    try
+                    {
+                        Trace.Info($"Download runner: begin download");
+                        long downloadSize = 0;
+
+                        //open zip stream in async mode
+                        using (HttpClient httpClient = new(HostContext.CreateHttpClientHandler()))
+                        {
+                            Trace.Info($"Downloading {packageDownloadUrl}");
+
+                            using (FileStream fs = new(archiveFile, FileMode.Create, FileAccess.Write, FileShare.None, bufferSize: 4096, useAsync: true))
+                            using (Stream result = await httpClient.GetStreamAsync(packageDownloadUrl))
+                            {
+                                //81920 is the default used by System.IO.Stream.CopyTo and is under the large object heap threshold (85k).
+                                await result.CopyToAsync(fs, 81920, downloadCts.Token);
+                                await fs.FlushAsync(downloadCts.Token);
+                                downloadSize = fs.Length;
+                            }
+                        }
+
+                        Trace.Info($"Download runner: finished download");
+                        downloadSucceeded = true;
+                        stopWatch.Stop();
+                        _updateTrace.Enqueue($"PackageDownloadTime: {stopWatch.ElapsedMilliseconds}ms");
+                        _updateTrace.Enqueue($"Attempts: {attempt}");
+                        _updateTrace.Enqueue($"PackageSize: {downloadSize / 1024 / 1024}MB");
+                        break;
+                    }
+                    catch (OperationCanceledException) when (token.IsCancellationRequested)
+                    {
+                        Trace.Info($"Runner download has been cancelled.");
+                        throw;
+                    }
+                    catch (Exception ex)
+                    {
+                        if (downloadCts.Token.IsCancellationRequested)
+                        {
+                            Trace.Warning($"Runner download has timed out after {timeoutSeconds} seconds");
+                        }
+
+                        Trace.Warning($"Failed to get package '{archiveFile}' from '{packageDownloadUrl}'. Exception {ex}");
+                    }
+                }
+            }
+
+            if (downloadSucceeded)
+            {
+                return archiveFile;
+            }
+            else
+            {
+                return null;
+            }
+        }
+
+        private async Task ValidateRunnerHash(string archiveFile, string packageHashValue)
+        {
+            var stopWatch = Stopwatch.StartNew();
+            // Validate Hash Matches if it is provided
+            using (FileStream stream = File.OpenRead(archiveFile))
+            {
+                if (!string.IsNullOrEmpty(packageHashValue))
+                {
+                    using (SHA256 sha256 = SHA256.Create())
+                    {
+                        byte[] srcHashBytes = await sha256.ComputeHashAsync(stream);
+                        var hash = PrimitiveExtensions.ConvertToHexString(srcHashBytes);
+                        if (hash != packageHashValue)
+                        {
+                            // Hash did not match, we can't recover from this, just throw
+                            throw new Exception($"Computed runner hash {hash} did not match expected Runner Hash {packageHashValue} for {archiveFile}");
+                        }
+
+                        stopWatch.Stop();
+                        Trace.Info($"Validated Runner Hash matches {archiveFile} : {packageHashValue}");
+                        _updateTrace.Enqueue($"ValidateHashTime: {stopWatch.ElapsedMilliseconds}ms");
+                    }
+                }
+            }
+        }
+
+        private async Task ExtractRunnerPackage(string archiveFile, string extractDirectory, CancellationToken token)
+        {
+            var stopWatch = Stopwatch.StartNew();
+
+            if (archiveFile.EndsWith(".zip", StringComparison.OrdinalIgnoreCase))
+            {
+                ZipFile.ExtractToDirectory(archiveFile, extractDirectory);
+            }
+            else if (archiveFile.EndsWith(".tar.gz", StringComparison.OrdinalIgnoreCase))
+            {
+                string tar = WhichUtil.Which("tar", trace: Trace);
+
+                if (string.IsNullOrEmpty(tar))
+                {
+                    throw new NotSupportedException($"tar -xzf");
+                }
+
+                // tar -xzf
+                using (var processInvoker = HostContext.CreateService<IProcessInvoker>())
+                {
+                    processInvoker.OutputDataReceived += new EventHandler<ProcessDataReceivedEventArgs>((sender, args) =>
+                    {
+                        if (!string.IsNullOrEmpty(args.Data))
+                        {
+                            Trace.Info(args.Data);
+                        }
+                    });
+
+                    processInvoker.ErrorDataReceived += new EventHandler<ProcessDataReceivedEventArgs>((sender, args) =>
+                    {
+                        if (!string.IsNullOrEmpty(args.Data))
+                        {
+                            Trace.Error(args.Data);
+                        }
+                    });
+
+                    int exitCode = await processInvoker.ExecuteAsync(extractDirectory, tar, $"-xzf \"{archiveFile}\"", null, token);
+                    if (exitCode != 0)
+                    {
+                        throw new NotSupportedException($"Can't use 'tar -xzf' to extract archive file: {archiveFile}. return code: {exitCode}.");
+                    }
+                }
+            }
+            else
+            {
+                throw new NotSupportedException($"{archiveFile}");
+            }
+
+            stopWatch.Stop();
+            Trace.Info($"Finished getting latest runner package at: {extractDirectory}.");
+            _updateTrace.Enqueue($"PackageExtractTime: {stopWatch.ElapsedMilliseconds}ms");
+        }
+
+        private Task CopyLatestRunnerToRoot(string latestRunnerDirectory, string targetVersion, CancellationToken token)
+        {
+            var stopWatch = Stopwatch.StartNew();
+            // copy latest runner into runner root folder
+            // copy bin from _work/_update -> bin.version under root
+            string binVersionDir = Path.Combine(HostContext.GetDirectory(WellKnownDirectory.Root), $"{Constants.Path.BinDirectory}.{targetVersion}");
+            Directory.CreateDirectory(binVersionDir);
+            Trace.Info($"Copy {Path.Combine(latestRunnerDirectory, Constants.Path.BinDirectory)} to {binVersionDir}.");
+            IOUtil.CopyDirectory(Path.Combine(latestRunnerDirectory, Constants.Path.BinDirectory), binVersionDir, token);
+
+            // copy externals from _work/_update -> externals.version under root
+            string externalsVersionDir = Path.Combine(HostContext.GetDirectory(WellKnownDirectory.Root), $"{Constants.Path.ExternalsDirectory}.{targetVersion}");
+            Directory.CreateDirectory(externalsVersionDir);
+            Trace.Info($"Copy {Path.Combine(latestRunnerDirectory, Constants.Path.ExternalsDirectory)} to {externalsVersionDir}.");
+            IOUtil.CopyDirectory(Path.Combine(latestRunnerDirectory, Constants.Path.ExternalsDirectory), externalsVersionDir, token);
+
+            // copy and replace all .sh/.cmd files
+            Trace.Info($"Copy any remaining .sh/.cmd files into runner root.");
+            foreach (FileInfo file in new DirectoryInfo(latestRunnerDirectory).GetFiles() ?? new FileInfo[0])
+            {
+                string destination = Path.Combine(HostContext.GetDirectory(WellKnownDirectory.Root), file.Name);
+
+                // Removing the file instead of just trying to overwrite it works around permissions issues on linux.
+                // https://github.com/actions/runner/issues/981
+                Trace.Info($"Copy {file.FullName} to {destination}");
+                IOUtil.DeleteFile(destination);
+                file.CopyTo(destination, true);
+            }
+
+            stopWatch.Stop();
+            _updateTrace.Enqueue($"CopyRunnerToRootTime: {stopWatch.ElapsedMilliseconds}ms");
+            return Task.CompletedTask;
+        }
+
+        private void DeletePreviousVersionRunnerBackup(CancellationToken token, string targetVersion)
+        {
+            // delete previous backup runner (back compat, can be remove after serval sprints)
+            // bin.bak.2.99.0
+            // externals.bak.2.99.0
+            foreach (string existBackUp in Directory.GetDirectories(HostContext.GetDirectory(WellKnownDirectory.Root), "*.bak.*"))
+            {
+                Trace.Info($"Delete existing runner backup at {existBackUp}.");
+                try
+                {
+                    IOUtil.DeleteDirectory(existBackUp, token);
+                }
+                catch (Exception ex) when (!(ex is OperationCanceledException))
+                {
+                    Trace.Error(ex);
+                    Trace.Info($"Catch exception during delete backup folder {existBackUp}, ignore this error try delete the backup folder on next auto-update.");
+                }
+            }
+
+            // delete old bin.2.99.0 folder, only leave the current version and the latest download version
+            var allBinDirs = Directory.GetDirectories(HostContext.GetDirectory(WellKnownDirectory.Root), "bin.*");
+            if (allBinDirs.Length > _numberOfOldVersionsToKeep)
+            {
+                // there are more than {_numberOfOldVersionsToKeep} bin.version folder.
+                // delete older bin.version folders.
+                foreach (var oldBinDir in allBinDirs)
+                {
+                    if (string.Equals(oldBinDir, Path.Combine(HostContext.GetDirectory(WellKnownDirectory.Root), $"bin"), StringComparison.OrdinalIgnoreCase) ||
+                        string.Equals(oldBinDir, Path.Combine(HostContext.GetDirectory(WellKnownDirectory.Root), $"bin.{BuildConstants.RunnerPackage.Version}"), StringComparison.OrdinalIgnoreCase) ||
+                        string.Equals(oldBinDir, Path.Combine(HostContext.GetDirectory(WellKnownDirectory.Root), $"bin.{targetVersion}"), StringComparison.OrdinalIgnoreCase))
+                    {
+                        // skip for current runner version
+                        continue;
+                    }
+
+                    Trace.Info($"Delete runner bin folder's backup at {oldBinDir}.");
+                    try
+                    {
+                        IOUtil.DeleteDirectory(oldBinDir, token);
+                    }
+                    catch (Exception ex) when (!(ex is OperationCanceledException))
+                    {
+                        Trace.Error(ex);
+                        Trace.Info($"Catch exception during delete backup folder {oldBinDir}, ignore this error try delete the backup folder on next auto-update.");
+                    }
+                }
+            }
+
+            // delete old externals.2.99.0 folder, only leave the current version and the latest download version
+            var allExternalsDirs = Directory.GetDirectories(HostContext.GetDirectory(WellKnownDirectory.Root), "externals.*");
+            if (allExternalsDirs.Length > _numberOfOldVersionsToKeep)
+            {
+                // there are more than {_numberOfOldVersionsToKeep} externals.version folder.
+                // delete older externals.version folders.
+                foreach (var oldExternalDir in allExternalsDirs)
+                {
+                    if (string.Equals(oldExternalDir, Path.Combine(HostContext.GetDirectory(WellKnownDirectory.Root), $"externals"), StringComparison.OrdinalIgnoreCase) ||
+                        string.Equals(oldExternalDir, Path.Combine(HostContext.GetDirectory(WellKnownDirectory.Root), $"externals.{BuildConstants.RunnerPackage.Version}"), StringComparison.OrdinalIgnoreCase) ||
+                        string.Equals(oldExternalDir, Path.Combine(HostContext.GetDirectory(WellKnownDirectory.Root), $"externals.{targetVersion}"), StringComparison.OrdinalIgnoreCase))
+                    {
+                        // skip for current runner version
+                        continue;
+                    }
+
+                    Trace.Info($"Delete runner externals folder's backup at {oldExternalDir}.");
+                    try
+                    {
+                        IOUtil.DeleteDirectory(oldExternalDir, token);
+                    }
+                    catch (Exception ex) when (!(ex is OperationCanceledException))
+                    {
+                        Trace.Error(ex);
+                        Trace.Info($"Catch exception during delete backup folder {oldExternalDir}, ignore this error try delete the backup folder on next auto-update.");
+                    }
+                }
+            }
+        }
+
+        private string GenerateUpdateScript(bool restartInteractiveRunner, string targetVersion)
+        {
+            int processId = Process.GetCurrentProcess().Id;
+            string updateLog = Path.Combine(HostContext.GetDirectory(WellKnownDirectory.Diag), $"SelfUpdate-{DateTime.UtcNow.ToString("yyyyMMdd-HHmmss")}.log");
+            string runnerRoot = HostContext.GetDirectory(WellKnownDirectory.Root);
+
+#if OS_WINDOWS
+            string templateName = "update.cmd.template";
+#else
+            string templateName = "update.sh.template";
+#endif
+
+            string templatePath = Path.Combine(runnerRoot, $"bin.{targetVersion}", templateName);
+            string template = File.ReadAllText(templatePath);
+
+            template = template.Replace("_PROCESS_ID_", processId.ToString());
+            template = template.Replace("_RUNNER_PROCESS_NAME_", $"Runner.Listener{IOUtil.ExeExtension}");
+            template = template.Replace("_ROOT_FOLDER_", runnerRoot);
+            template = template.Replace("_EXIST_RUNNER_VERSION_", BuildConstants.RunnerPackage.Version);
+            template = template.Replace("_DOWNLOAD_RUNNER_VERSION_", targetVersion);
+            template = template.Replace("_UPDATE_LOG_", updateLog);
+            template = template.Replace("_RESTART_INTERACTIVE_RUNNER_", restartInteractiveRunner ? "1" : "0");
+
+#if OS_WINDOWS
+            string scriptName = "_update.cmd";
+#else
+            string scriptName = "_update.sh";
+#endif
+
+            string updateScript = Path.Combine(HostContext.GetDirectory(WellKnownDirectory.Work), scriptName);
+            if (File.Exists(updateScript))
+            {
+                IOUtil.DeleteFile(updateScript);
+            }
+
+            File.WriteAllText(updateScript, template);
+            return updateScript;
+        }
+    }
+}

src/Runner.Sdk/Util/IOUtil.cs

@@ -6,6 +6,8 @@ using System.Linq;
 using System.Security.Cryptography;
 using System.Text;
 using System.Threading;
+using System.Threading.Tasks;
+using GitHub.Services.Common;
 
 namespace GitHub.Runner.Sdk
 {
@@ -72,6 +74,25 @@ namespace GitHub.Runner.Sdk
             }
         }
 
+        public static async Task<string> GetFileContentSha256HashAsync(string path)
+        {
+            if (!File.Exists(path))
+            {
+                return string.Empty;
+            }
+
+            using (FileStream stream = File.OpenRead(path))
+            {
+                using (SHA256 sha256 = SHA256.Create())
+                {
+                    byte[] srcHashBytes = await sha256.ComputeHashAsync(stream);
+                    var hash = PrimitiveExtensions.ConvertToHexString(srcHashBytes);
+                    return hash;
+                }
+
+            }
+        }
+
         public static void Delete(string path, CancellationToken cancellationToken)
         {
             DeleteDirectory(path, cancellationToken);
@@ -438,6 +459,34 @@ namespace GitHub.Runner.Sdk
             File.WriteAllText(path, null);
         }
 
+        /// <summary>
+        /// Replaces invalid file name characters with '_'
+        /// </summary>
+        public static string ReplaceInvalidFileNameChars(string fileName)
+        {
+            var result = new StringBuilder();
+            var invalidChars = Path.GetInvalidFileNameChars();
+
+            var current = 0; // Current index
+            while (current < fileName?.Length)
+            {
+                var next = fileName.IndexOfAny(invalidChars, current);
+                if (next >= 0)
+                {
+                    result.Append(fileName.Substring(current, next - current));
+                    result.Append('_');
+                    current = next + 1;
+                }
+                else
+                {
+                    result.Append(fileName.Substring(current));
+                    break;
+                }
+            }
+
+            return result.ToString();
+        }
+
         /// <summary>
         /// Recursively enumerates a directory without following directory reparse points.
         /// </summary>

src/Runner.Sdk/Util/VssUtil.cs

@@ -23,7 +23,13 @@ namespace GitHub.Runner.Sdk
 
             if (VssClientHttpRequestSettings.Default.UserAgent != null && VssClientHttpRequestSettings.Default.UserAgent.Count > 0)
             {
-                headerValues.AddRange(VssClientHttpRequestSettings.Default.UserAgent);
+                foreach (var headerVal in VssClientHttpRequestSettings.Default.UserAgent)
+                {
+                    if (!headerValues.Contains(headerVal))
+                    {
+                        headerValues.Add(headerVal);
+                    }
+                }
             }
 
             VssClientHttpRequestSettings.Default.UserAgent = headerValues;
@@ -33,6 +39,23 @@ namespace GitHub.Runner.Sdk
             {
                 VssClientHttpRequestSettings.Default.ServerCertificateValidationCallback = HttpClientHandler.DangerousAcceptAnyServerCertificateValidator;
             }
+
+            var rawHeaderValues = new List<ProductInfoHeaderValue>();
+            rawHeaderValues.AddRange(additionalUserAgents);
+            rawHeaderValues.Add(new ProductInfoHeaderValue($"({StringUtil.SanitizeUserAgentHeader(RuntimeInformation.OSDescription)})"));
+
+            if (RawClientHttpRequestSettings.Default.UserAgent != null && RawClientHttpRequestSettings.Default.UserAgent.Count > 0)
+            {
+                foreach (var headerVal in RawClientHttpRequestSettings.Default.UserAgent)
+                {
+                    if (!rawHeaderValues.Contains(headerVal))
+                    {
+                        rawHeaderValues.Add(headerVal);
+                    }
+                }
+            }
+
+            RawClientHttpRequestSettings.Default.UserAgent = rawHeaderValues;
         }
 
         public static VssConnection CreateConnection(
@@ -62,11 +85,6 @@ namespace GitHub.Runner.Sdk
                 settings.SendTimeout = TimeSpan.FromSeconds(Math.Min(Math.Max(httpRequestTimeoutSeconds, 100), 1200));
             }
 
-            if (StringUtil.ConvertToBoolean(Environment.GetEnvironmentVariable("USE_BROKER_FLOW")))
-            {
-                settings.AllowAutoRedirectForBroker = true;
-            }
-
             // Remove Invariant from the list of accepted languages.
             //
             // The constructor of VssHttpRequestSettings (base class of VssClientHttpRequestSettings) adds the current

src/Runner.Sdk/Util/WhichUtil.cs

@@ -7,129 +7,6 @@ namespace GitHub.Runner.Sdk
     public static class WhichUtil
     {
         public static string Which(string command, bool require = false, ITraceWriter trace = null, string prependPath = null)
-        {
-            ArgUtil.NotNullOrEmpty(command, nameof(command));
-            trace?.Info($"Which: '{command}'");
-            if (Path.IsPathFullyQualified(command) && File.Exists(command))
-            {
-                trace?.Info($"Fully qualified path: '{command}'");
-                return command;
-            }
-            string path = Environment.GetEnvironmentVariable(PathUtil.PathVariable);
-            if (string.IsNullOrEmpty(path))
-            {
-                trace?.Info("PATH environment variable not defined.");
-                path = path ?? string.Empty;
-            }
-            if (!string.IsNullOrEmpty(prependPath))
-            {
-                path = PathUtil.PrependPath(prependPath, path);
-            }
-
-            string[] pathSegments = path.Split(new Char[] { Path.PathSeparator }, StringSplitOptions.RemoveEmptyEntries);
-            for (int i = 0; i < pathSegments.Length; i++)
-            {
-                pathSegments[i] = Environment.ExpandEnvironmentVariables(pathSegments[i]);
-            }
-
-            foreach (string pathSegment in pathSegments)
-            {
-                if (!string.IsNullOrEmpty(pathSegment) && Directory.Exists(pathSegment))
-                {
-                    string[] matches = null;
-#if OS_WINDOWS
-                    string pathExt = Environment.GetEnvironmentVariable("PATHEXT");
-                    if (string.IsNullOrEmpty(pathExt))
-                    {
-                        // XP's system default value for PATHEXT system variable
-                        pathExt = ".com;.exe;.bat;.cmd;.vbs;.vbe;.js;.jse;.wsf;.wsh";
-                    }
-
-                    string[] pathExtSegments = pathExt.Split(new string[] { ";" }, StringSplitOptions.RemoveEmptyEntries);
-
-                    // if command already has an extension.
-                    if (pathExtSegments.Any(ext => command.EndsWith(ext, StringComparison.OrdinalIgnoreCase)))
-                    {
-                        try
-                        {
-                            matches = Directory.GetFiles(pathSegment, command);
-                        }
-                        catch (UnauthorizedAccessException ex)
-                        {
-                            trace?.Info("Ignore UnauthorizedAccess exception during Which.");
-                            trace?.Verbose(ex.ToString());
-                        }
-
-                        if (matches != null && matches.Length > 0 && IsPathValid(matches.First(), trace))
-                        {
-                            trace?.Info($"Location: '{matches.First()}'");
-                            return matches.First();
-                        }
-                    }
-                    else
-                    {
-                        string searchPattern;
-                        searchPattern = StringUtil.Format($"{command}.*");
-                        try
-                        {
-                            matches = Directory.GetFiles(pathSegment, searchPattern);
-                        }
-                        catch (UnauthorizedAccessException ex)
-                        {
-                            trace?.Info("Ignore UnauthorizedAccess exception during Which.");
-                            trace?.Verbose(ex.ToString());
-                        }
-
-                        if (matches != null && matches.Length > 0)
-                        {
-                            // add extension.
-                            for (int i = 0; i < pathExtSegments.Length; i++)
-                            {
-                                string fullPath = Path.Combine(pathSegment, $"{command}{pathExtSegments[i]}");
-                                if (matches.Any(p => p.Equals(fullPath, StringComparison.OrdinalIgnoreCase)) && IsPathValid(fullPath, trace))
-                                {
-                                    trace?.Info($"Location: '{fullPath}'");
-                                    return fullPath;
-                                }
-                            }
-                        }
-                    }
-#else
-                    try
-                    {
-                        matches = Directory.GetFiles(pathSegment, command);
-                    }
-                    catch (UnauthorizedAccessException ex)
-                    {
-                        trace?.Info("Ignore UnauthorizedAccess exception during Which.");
-                        trace?.Verbose(ex.ToString());
-                    }
-
-                    if (matches != null && matches.Length > 0 && IsPathValid(matches.First(), trace))
-                    {
-                        trace?.Info($"Location: '{matches.First()}'");
-                        return matches.First();
-                    }
-#endif
-                }
-            }
-
-#if OS_WINDOWS
-            trace?.Info($"{command}: command not found. Make sure '{command}' is installed and its location included in the 'Path' environment variable.");
-#else
-            trace?.Info($"{command}: command not found. Make sure '{command}' is installed and its location included in the 'PATH' environment variable.");
-#endif
-            if (require)
-            {
-                throw new FileNotFoundException(
-                    message: $"{command}: command not found",
-                    fileName: command);
-            }
-
-            return null;
-        }
-
-        public static string Which2(string command, bool require = false, ITraceWriter trace = null, string prependPath = null)
         {
             ArgUtil.NotNullOrEmpty(command, nameof(command));
             trace?.Info($"Which2: '{command}'");

src/Runner.Worker/ActionManager.cs

@@ -6,6 +6,7 @@ using System.Linq;
 using System.Net;
 using System.Net.Http;
 using System.Net.Http.Headers;
+using System.Security.Cryptography;
 using System.Text;
 using System.Threading;
 using System.Threading.Tasks;
@@ -482,10 +483,6 @@ namespace GitHub.Runner.Worker
                             {
                                 // Load stored Ids for later load actions
                                 compositeAction.Steps[i].Id = _cachedEmbeddedStepIds[action.Id][i];
-                                if (string.IsNullOrEmpty(executionContext.Global.Variables.Get("DistributedTask.EnableCompositeActions")) && compositeAction.Steps[i].Reference.Type != Pipelines.ActionSourceType.Script)
-                                {
-                                    throw new Exception("`uses:` keyword is not currently supported.");
-                                }
                             }
                         }
                         else
@@ -702,11 +699,12 @@ namespace GitHub.Runner.Worker
                 catch (Exception ex) when (!executionContext.CancellationToken.IsCancellationRequested) // Do not retry if the run is cancelled.
                 {
                     // UnresolvableActionDownloadInfoException is a 422 client error, don't retry
+                    // NonRetryableActionDownloadInfoException is an non-retryable exception from Actions
                     // Some possible cases are:
                     // * Repo is rate limited
                     // * Repo or tag doesn't exist, or isn't public
                     // * Policy validation failed
-                    if (attempt < 3 && !(ex is WebApi.UnresolvableActionDownloadInfoException))
+                    if (attempt < 3 && !(ex is WebApi.UnresolvableActionDownloadInfoException) && !(ex is WebApi.NonRetryableActionDownloadInfoException))
                     {
                         executionContext.Output($"Failed to resolve action download info. Error: {ex.Message}");
                         executionContext.Debug(ex.ToString());
@@ -795,43 +793,40 @@ namespace GitHub.Runner.Worker
             try
             {
                 var useActionArchiveCache = false;
-                if (executionContext.Global.Variables.GetBoolean("DistributedTask.UseActionArchiveCache") == true)
+                var hasActionArchiveCache = false;
+                var actionArchiveCacheDir = Environment.GetEnvironmentVariable(Constants.Variables.Agent.ActionArchiveCacheDirectory);
+                if (!string.IsNullOrEmpty(actionArchiveCacheDir) &&
+                    Directory.Exists(actionArchiveCacheDir))
                 {
-                    var hasActionArchiveCache = false;
+                    hasActionArchiveCache = true;
-                    var actionArchiveCacheDir = Environment.GetEnvironmentVariable(Constants.Variables.Agent.ActionArchiveCacheDirectory);
+                    Trace.Info($"Check if action archive '{downloadInfo.ResolvedNameWithOwner}@{downloadInfo.ResolvedSha}' already exists in cache directory '{actionArchiveCacheDir}'");
-                    if (!string.IsNullOrEmpty(actionArchiveCacheDir) &&
-                        Directory.Exists(actionArchiveCacheDir))
-                    {
-                        hasActionArchiveCache = true;
-                        Trace.Info($"Check if action archive '{downloadInfo.ResolvedNameWithOwner}@{downloadInfo.ResolvedSha}' already exists in cache directory '{actionArchiveCacheDir}'");
 #if OS_WINDOWS
-                        var cacheArchiveFile = Path.Combine(actionArchiveCacheDir, downloadInfo.ResolvedNameWithOwner.Replace(Path.DirectorySeparatorChar, '_').Replace(Path.AltDirectorySeparatorChar, '_'), $"{downloadInfo.ResolvedSha}.zip");
+                    var cacheArchiveFile = Path.Combine(actionArchiveCacheDir, downloadInfo.ResolvedNameWithOwner.Replace(Path.DirectorySeparatorChar, '_').Replace(Path.AltDirectorySeparatorChar, '_'), $"{downloadInfo.ResolvedSha}.zip");
 #else
-                        var cacheArchiveFile = Path.Combine(actionArchiveCacheDir, downloadInfo.ResolvedNameWithOwner.Replace(Path.DirectorySeparatorChar, '_').Replace(Path.AltDirectorySeparatorChar, '_'), $"{downloadInfo.ResolvedSha}.tar.gz");
+                    var cacheArchiveFile = Path.Combine(actionArchiveCacheDir, downloadInfo.ResolvedNameWithOwner.Replace(Path.DirectorySeparatorChar, '_').Replace(Path.AltDirectorySeparatorChar, '_'), $"{downloadInfo.ResolvedSha}.tar.gz");
 #endif
-                        if (File.Exists(cacheArchiveFile))
+                    if (File.Exists(cacheArchiveFile))
+                    {
+                        try
                         {
-                            try
+                            Trace.Info($"Found action archive '{cacheArchiveFile}' in cache directory '{actionArchiveCacheDir}'");
-                            {
+                            File.Copy(cacheArchiveFile, archiveFile);
-                                Trace.Info($"Found action archive '{cacheArchiveFile}' in cache directory '{actionArchiveCacheDir}'");
+                            useActionArchiveCache = true;
-                                File.Copy(cacheArchiveFile, archiveFile);
+                            executionContext.Debug($"Copied action archive '{cacheArchiveFile}' to '{archiveFile}'");
-                                useActionArchiveCache = true;
+                        }
-                                executionContext.Debug($"Copied action archive '{cacheArchiveFile}' to '{archiveFile}'");
+                        catch (Exception ex)
-                            }
+                        {
-                            catch (Exception ex)
+                            Trace.Error($"Failed to copy action archive '{cacheArchiveFile}' to '{archiveFile}'. Error: {ex}");
-                            {
-                                Trace.Error($"Failed to copy action archive '{cacheArchiveFile}' to '{archiveFile}'. Error: {ex}");
-                            }
                         }
                     }
-
-                    executionContext.Global.JobTelemetry.Add(new JobTelemetry()
-                    {
-                        Type = JobTelemetryType.General,
-                        Message = $"Action archive cache usage: {downloadInfo.ResolvedNameWithOwner}@{downloadInfo.ResolvedSha} use cache {useActionArchiveCache} has cache {hasActionArchiveCache}"
-                    });
                 }
 
+                executionContext.Global.JobTelemetry.Add(new JobTelemetry()
+                {
+                    Type = JobTelemetryType.General,
+                    Message = $"Action archive cache usage: {downloadInfo.ResolvedNameWithOwner}@{downloadInfo.ResolvedSha} use cache {useActionArchiveCache} has cache {hasActionArchiveCache}"
+                });
+
                 if (!useActionArchiveCache)
                 {
                     await DownloadRepositoryArchive(executionContext, link, downloadInfo.Authentication?.Token, archiveFile);
@@ -855,11 +850,13 @@ namespace GitHub.Runner.Worker
                 // tar -xzf
                 using (var processInvoker = HostContext.CreateService<IProcessInvoker>())
                 {
+                    var tarOutputs = new List<string>();
                     processInvoker.OutputDataReceived += new EventHandler<ProcessDataReceivedEventArgs>((sender, args) =>
                     {
                         if (!string.IsNullOrEmpty(args.Data))
                         {
                             Trace.Info(args.Data);
+                            tarOutputs.Add($"STDOUT: {args.Data}");
                         }
                     });
 
@@ -868,13 +865,16 @@ namespace GitHub.Runner.Worker
                         if (!string.IsNullOrEmpty(args.Data))
                         {
                             Trace.Error(args.Data);
+                            tarOutputs.Add($"STDERR: {args.Data}");
                         }
                     });
 
                     int exitCode = await processInvoker.ExecuteAsync(stagingDirectory, tar, $"-xzf \"{archiveFile}\"", null, executionContext.CancellationToken);
                     if (exitCode != 0)
                     {
-                        throw new InvalidActionArchiveException($"Can't use 'tar -xzf' extract archive file: {archiveFile}. Action being checked out: {downloadInfo.NameWithOwner}@{downloadInfo.Ref}. return code: {exitCode}.");
+                        var fileInfo = new FileInfo(archiveFile);
+                        var sha256hash = await IOUtil.GetFileContentSha256HashAsync(archiveFile);
+                        throw new InvalidActionArchiveException($"Can't use 'tar -xzf' extract archive file: {archiveFile} (SHA256 '{sha256hash}', size '{fileInfo.Length}' bytes, tar outputs '{string.Join(' ', tarOutputs)}'). Action being checked out: {downloadInfo.NameWithOwner}@{downloadInfo.Ref}. return code: {exitCode}.");
                     }
                 }
 #endif
@@ -1018,13 +1018,6 @@ namespace GitHub.Runner.Worker
                         }
                     }
 
-                    foreach (var step in compositeAction.Steps)
-                    {
-                        if (string.IsNullOrEmpty(executionContext.Global.Variables.Get("DistributedTask.EnableCompositeActions")) && step.Reference.Type != Pipelines.ActionSourceType.Script)
-                        {
-                            throw new Exception("`uses:` keyword is not currently supported.");
-                        }
-                    }
                     return setupInfo;
                 }
                 else

src/Runner.Worker/ActionManifestManager.cs

@@ -144,7 +144,7 @@ namespace GitHub.Runner.Worker
                     executionContext.Error(error.Message);
                 }
 
-                throw new ArgumentException($"Fail to load {fileRelativePath}");
+                throw new ArgumentException($"Failed to load {fileRelativePath}");
             }
 
             if (actionDefinition.Execution == null)

src/Runner.Worker/ContainerOperationProvider.cs

@@ -466,17 +466,39 @@ namespace GitHub.Runner.Worker
             {
                 throw new InvalidOperationException($"Failed to create directory to store registry client credentials: {e.Message}");
             }
-            var loginExitCode = await _dockerManager.DockerLogin(
-                executionContext,
-                configLocation,
-                container.RegistryServer,
-                container.RegistryAuthUsername,
-                container.RegistryAuthPassword);
 
-            if (loginExitCode != 0)
+            // Login docker with retry up to 3 times
+            int retryCount = 0;
+            int loginExitCode = 0;
+            while (retryCount < 3)
+            {
+                loginExitCode = await _dockerManager.DockerLogin(
+                    executionContext,
+                    configLocation,
+                    container.RegistryServer,
+                    container.RegistryAuthUsername,
+                    container.RegistryAuthPassword);
+                if (loginExitCode == 0)
+                {
+                    break;
+                }
+                else
+                {
+                    retryCount++;
+                    if (retryCount < 3)
+                    {
+                        var backOff = BackoffTimerHelper.GetRandomBackoff(TimeSpan.FromSeconds(1), TimeSpan.FromSeconds(10));
+                        executionContext.Warning($"Docker login for '{container.RegistryServer}' failed with exit code {loginExitCode}, back off {backOff.TotalSeconds} seconds before retry.");
+                        await Task.Delay(backOff);
+                    }
+                }
+            }
+
+            if (retryCount == 3 && loginExitCode != 0)
             {
                 throw new InvalidOperationException($"Docker login for '{container.RegistryServer}' failed with exit code {loginExitCode}");
             }
+
             return configLocation;
         }
 

src/Runner.Worker/DiagnosticLogManager.cs

@@ -91,13 +91,13 @@ namespace GitHub.Runner.Worker
             string phaseName = executionContext.Global.Variables.System_PhaseDisplayName ?? "UnknownPhaseName";
 
             // zip the files
-            string diagnosticsZipFileName = $"{buildName}-{phaseName}.zip";
+            string diagnosticsZipFileName = $"{buildName}-{IOUtil.ReplaceInvalidFileNameChars(phaseName)}.zip";
             string diagnosticsZipFilePath = Path.Combine(supportRootFolder, diagnosticsZipFileName);
             ZipFile.CreateFromDirectory(supportFilesFolder, diagnosticsZipFilePath);
 
             // upload the json metadata file
             executionContext.Debug("Uploading diagnostic metadata file.");
-            string metadataFileName = $"diagnostics-{buildName}-{phaseName}.json";
+            string metadataFileName = $"diagnostics-{buildName}-{IOUtil.ReplaceInvalidFileNameChars(phaseName)}.json";
             string metadataFilePath = Path.Combine(supportFilesFolder, metadataFileName);
             string phaseResult = GetTaskResultAsString(executionContext.Result);
 
@@ -108,6 +108,8 @@ namespace GitHub.Runner.Worker
 
             parentContext.QueueAttachFile(type: CoreAttachmentType.DiagnosticLog, name: diagnosticsZipFileName, filePath: diagnosticsZipFilePath);
 
+            parentContext.QueueDiagnosticLogFile(name: diagnosticsZipFileName, filePath: diagnosticsZipFilePath);
+
             executionContext.Debug("Diagnostic file upload complete.");
         }
 

src/Runner.Worker/ExecutionContext.cs

@@ -90,6 +90,7 @@ namespace GitHub.Runner.Worker
         long Write(string tag, string message);
         void QueueAttachFile(string type, string name, string filePath);
         void QueueSummaryFile(string name, string filePath, Guid stepRecordId);
+        void QueueDiagnosticLogFile(string name, string filePath);
 
         // timeline record update methods
         void Start(string currentOperation = null);
@@ -397,11 +398,11 @@ namespace GitHub.Runner.Worker
 
             if (recordOrder != null)
             {
-                child.InitializeTimelineRecord(_mainTimelineId, recordId, _record.Id, ExecutionContextType.Task, displayName, refName, recordOrder);
+                child.InitializeTimelineRecord(_mainTimelineId, recordId, _record.Id, ExecutionContextType.Task, displayName, refName, recordOrder, embedded: isEmbedded);
             }
             else
             {
-                child.InitializeTimelineRecord(_mainTimelineId, recordId, _record.Id, ExecutionContextType.Task, displayName, refName, ++_childTimelineRecordOrder);
+                child.InitializeTimelineRecord(_mainTimelineId, recordId, _record.Id, ExecutionContextType.Task, displayName, refName, ++_childTimelineRecordOrder, embedded: isEmbedded);
             }
             if (logger != null)
             {
@@ -432,7 +433,7 @@ namespace GitHub.Runner.Worker
             Dictionary<string, string> intraActionState = null,
             string siblingScopeName = null)
         {
-            return Root.CreateChild(_record.Id, _record.Name, _record.Id.ToString("N"), scopeName, contextName, stage, logger: _logger, isEmbedded: true, cancellationTokenSource: null, intraActionState: intraActionState, embeddedId: embeddedId, siblingScopeName: siblingScopeName, timeout: GetRemainingTimeout());
+            return Root.CreateChild(_record.Id, _record.Name, _record.Id.ToString("N"), scopeName, contextName, stage, logger: _logger, isEmbedded: true, cancellationTokenSource: null, intraActionState: intraActionState, embeddedId: embeddedId, siblingScopeName: siblingScopeName, timeout: GetRemainingTimeout(), recordOrder: _record.Order);
         }
 
         public void Start(string currentOperation = null)
@@ -836,6 +837,7 @@ namespace GitHub.Runner.Worker
             // Actions environment
             ActionsEnvironment = message.ActionsEnvironment;
 
+
             // Service container info
             Global.ServiceContainers = new List<ContainerInfo>();
 
@@ -981,6 +983,18 @@ namespace GitHub.Runner.Worker
             _jobServerQueue.QueueResultsUpload(stepRecordId, name, filePath, ChecksAttachmentType.StepSummary, deleteSource: false, finalize: true, firstBlock: true, totalLines: 0);
         }
 
+        public void QueueDiagnosticLogFile(string name, string filePath)
+        {
+            ArgUtil.NotNullOrEmpty(name, nameof(name));
+            ArgUtil.NotNullOrEmpty(filePath, nameof(filePath));
+
+            if (!File.Exists(filePath))
+            {
+                throw new FileNotFoundException($"Can't upload diagnostic log file: {filePath}. File does not exist.");
+            }
+            _jobServerQueue.QueueResultsUpload(_record.Id, name, filePath, CoreAttachmentType.ResultsDiagnosticLog, deleteSource: false, finalize: true, firstBlock: true, totalLines: 0);
+        }
+
         // Add OnMatcherChanged
         public void Add(OnMatcherChanged handler)
         {
@@ -1159,7 +1173,7 @@ namespace GitHub.Runner.Worker
             }
         }
 
-        private void InitializeTimelineRecord(Guid timelineId, Guid timelineRecordId, Guid? parentTimelineRecordId, string recordType, string displayName, string refName, int? order)
+        private void InitializeTimelineRecord(Guid timelineId, Guid timelineRecordId, Guid? parentTimelineRecordId, string recordType, string displayName, string refName, int? order, bool embedded = false)
         {
             _mainTimelineId = timelineId;
             _record.Id = timelineRecordId;
@@ -1185,7 +1199,11 @@ namespace GitHub.Runner.Worker
             var configuration = HostContext.GetService<IConfigurationStore>();
             _record.WorkerName = configuration.GetSettings().AgentName;
 
-            _jobServerQueue.QueueTimelineRecordUpdate(_mainTimelineId, _record);
+            // We don't want to update the timeline record for embedded steps since they are not really represented in the UI.
+            if (!embedded)
+            {
+                _jobServerQueue.QueueTimelineRecordUpdate(_mainTimelineId, _record);
+            }
         }
 
         private void JobServerQueueThrottling_EventReceived(object sender, ThrottlingEventArgs data)

src/Runner.Worker/FileCommandManager.cs

@@ -244,7 +244,7 @@ namespace GitHub.Runner.Worker
                 if (resultsReceiverEndpoint != null)
                 {
                     Trace.Info($"Queueing results file ({filePath}) for attachment upload ({attachmentName})");
-                    var stepId = context.Id;
+                    var stepId = context.IsEmbedded ? context.EmbeddedId : context.Id;
                     // Attachments must be added to the parent context (job), not the current context (step)
                     context.Root.QueueSummaryFile(attachmentName, scrubbedFilePath, stepId);
                 }

src/Runner.Worker/Handlers/ContainerActionHandler.cs

@@ -223,6 +223,10 @@ namespace GitHub.Runner.Worker.Handlers
             {
                 Environment["ACTIONS_CACHE_URL"] = cacheUrl;
             }
+            if (systemConnection.Data.TryGetValue("PipelinesServiceUrl", out var pipelinesServiceUrl) && !string.IsNullOrEmpty(pipelinesServiceUrl))
+            {
+                Environment["ACTIONS_RUNTIME_URL"] = pipelinesServiceUrl;
+            }
             if (systemConnection.Data.TryGetValue("GenerateIdTokenUrl", out var generateIdTokenUrl) && !string.IsNullOrEmpty(generateIdTokenUrl))
             {
                 Environment["ACTIONS_ID_TOKEN_REQUEST_URL"] = generateIdTokenUrl;

src/Runner.Worker/Handlers/HandlerFactory.cs

@@ -84,6 +84,45 @@ namespace GitHub.Runner.Worker.Handlers
                     }
                     nodeData.NodeVersion = "node16";
                 }
+
+                var localForceActionsToNode20 = StringUtil.ConvertToBoolean(Environment.GetEnvironmentVariable(Constants.Variables.Agent.ManualForceActionsToNode20));
+                executionContext.Global.EnvironmentVariables.TryGetValue(Constants.Variables.Actions.ManualForceActionsToNode20, out var workflowForceActionsToNode20);
+                var enforceNode20Locally = !string.IsNullOrWhiteSpace(workflowForceActionsToNode20) ? StringUtil.ConvertToBoolean(workflowForceActionsToNode20) : localForceActionsToNode20;
+                if (string.Equals(nodeData.NodeVersion, "node16")
+                && ((executionContext.Global.Variables.GetBoolean("DistributedTask.ForceGithubJavascriptActionsToNode20") ?? false) || enforceNode20Locally))
+                {
+                    executionContext.Global.EnvironmentVariables.TryGetValue(Constants.Variables.Actions.AllowActionsUseUnsecureNodeVersion, out var workflowOptOut);
+                    var isWorkflowOptOutSet = !string.IsNullOrWhiteSpace(workflowOptOut);
+                    var isLocalOptOut = StringUtil.ConvertToBoolean(Environment.GetEnvironmentVariable(Constants.Variables.Actions.AllowActionsUseUnsecureNodeVersion));
+                    bool isOptOut = isWorkflowOptOutSet ? StringUtil.ConvertToBoolean(workflowOptOut) : isLocalOptOut;
+
+                    if (!isOptOut)
+                    {
+                        var repoAction = action as Pipelines.RepositoryPathReference;
+                        if (repoAction != null)
+                        {
+                            var warningActions = new HashSet<string>();
+                            if (executionContext.Global.Variables.TryGetValue(Constants.Runner.EnforcedNode16DetectedAfterEndOfLifeEnvVariable, out var node20ForceWarnings))
+                            {
+                                warningActions = StringUtil.ConvertFromJson<HashSet<string>>(node20ForceWarnings);
+                            }
+
+                            string repoActionFullName;
+                            if (string.IsNullOrEmpty(repoAction.Name))
+                            {
+                                repoActionFullName = repoAction.Path; // local actions don't have a 'Name'
+                            }
+                            else
+                            {
+                                repoActionFullName = $"{repoAction.Name}/{repoAction.Path ?? string.Empty}".TrimEnd('/') + $"@{repoAction.Ref}";
+                            }
+
+                            warningActions.Add(repoActionFullName);
+                            executionContext.Global.Variables.Set(Constants.Runner.EnforcedNode16DetectedAfterEndOfLifeEnvVariable, StringUtil.ConvertToJson(warningActions));
+                        }
+                        nodeData.NodeVersion = "node20";
+                    }
+                }
                 (handler as INodeScriptActionHandler).Data = nodeData;
             }
             else if (data.ExecutionType == ActionExecutionType.Script)

src/Runner.Worker/Handlers/NodeScriptActionHandler.cs

@@ -58,6 +58,10 @@ namespace GitHub.Runner.Worker.Handlers
             {
                 Environment["ACTIONS_CACHE_URL"] = cacheUrl;
             }
+            if (systemConnection.Data.TryGetValue("PipelinesServiceUrl", out var pipelinesServiceUrl) && !string.IsNullOrEmpty(pipelinesServiceUrl))
+            {
+                Environment["ACTIONS_RUNTIME_URL"] = pipelinesServiceUrl;
+            }
             if (systemConnection.Data.TryGetValue("GenerateIdTokenUrl", out var generateIdTokenUrl) && !string.IsNullOrEmpty(generateIdTokenUrl))
             {
                 Environment["ACTIONS_ID_TOKEN_REQUEST_URL"] = generateIdTokenUrl;
@@ -114,6 +118,11 @@ namespace GitHub.Runner.Worker.Handlers
             {
                 Data.NodeVersion = "node16";
             }
+
+            if (forcedNodeVersion == "node20" && Data.NodeVersion != "node20")
+            {
+                Data.NodeVersion = "node20";
+            }
             var nodeRuntimeVersion = await StepHost.DetermineNodeRuntimeVersion(ExecutionContext, Data.NodeVersion);
             string file = Path.Combine(HostContext.GetDirectory(WellKnownDirectory.Externals), nodeRuntimeVersion, "bin", $"node{IOUtil.ExeExtension}");
 

src/Runner.Worker/Handlers/ScriptHandler.cs

@@ -83,40 +83,19 @@ namespace GitHub.Runner.Worker.Handlers
                 shellCommand = "pwsh";
                 if (validateShellOnHost)
                 {
-                    if (ExecutionContext.Global.Variables.GetBoolean("DistributedTask.UseWhich2") == true)
+                    shellCommandPath = WhichUtil.Which(shellCommand, require: false, Trace, prependPath);
-                    {
-                        shellCommandPath = WhichUtil.Which2(shellCommand, require: false, Trace, prependPath);
-                    }
-                    else
-                    {
-                        shellCommandPath = WhichUtil.Which(shellCommand, require: false, Trace, prependPath);
-                    }
                     if (string.IsNullOrEmpty(shellCommandPath))
                     {
                         shellCommand = "powershell";
-                        Trace.Info($"Defaulting to {shellCommand}");
+                        Trace.Info($"Defaulting to {shellCommand}");                        
-                        if (ExecutionContext.Global.Variables.GetBoolean("DistributedTask.UseWhich2") == true)
+                        shellCommandPath = WhichUtil.Which(shellCommand, require: true, Trace, prependPath);
-                        {
-                            shellCommandPath = WhichUtil.Which2(shellCommand, require: true, Trace, prependPath);
-                        }
-                        else
-                        {
-                            shellCommandPath = WhichUtil.Which(shellCommand, require: true, Trace, prependPath);
-                        }
                     }
                 }
 #else
                 shellCommand = "sh";
                 if (validateShellOnHost)
                 {
-                    if (ExecutionContext.Global.Variables.GetBoolean("DistributedTask.UseWhich2") == true)
+                    shellCommandPath = WhichUtil.Which("bash", false, Trace, prependPath) ?? WhichUtil.Which("sh", true, Trace, prependPath);
-                    {
-                        shellCommandPath = WhichUtil.Which2("bash", false, Trace, prependPath) ?? WhichUtil.Which2("sh", true, Trace, prependPath);
-                    }
-                    else
-                    {
-                        shellCommandPath = WhichUtil.Which("bash", false, Trace, prependPath) ?? WhichUtil.Which("sh", true, Trace, prependPath);
-                    }
                 }
 #endif
                 argFormat = ScriptHandlerHelpers.GetScriptArgumentsFormat(shellCommand);
@@ -127,14 +106,7 @@ namespace GitHub.Runner.Worker.Handlers
                 shellCommand = parsed.shellCommand;
                 if (validateShellOnHost)
                 {
-                    if (ExecutionContext.Global.Variables.GetBoolean("DistributedTask.UseWhich2") == true)
+                    shellCommandPath = WhichUtil.Which(parsed.shellCommand, true, Trace, prependPath);
-                    {
-                        shellCommandPath = WhichUtil.Which2(parsed.shellCommand, true, Trace, prependPath);
-                    }
-                    else
-                    {
-                        shellCommandPath = WhichUtil.Which(parsed.shellCommand, true, Trace, prependPath);
-                    }
                 }
 
                 argFormat = $"{parsed.shellArgs}".TrimStart();
@@ -216,38 +188,17 @@ namespace GitHub.Runner.Worker.Handlers
             {
 #if OS_WINDOWS
                 shellCommand = "pwsh";
-                if (ExecutionContext.Global.Variables.GetBoolean("DistributedTask.UseWhich2") == true)
+                commandPath = WhichUtil.Which(shellCommand, require: false, Trace, prependPath);
-                {
-                    commandPath = WhichUtil.Which2(shellCommand, require: false, Trace, prependPath);
-                }
-                else
-                {
-                    commandPath = WhichUtil.Which(shellCommand, require: false, Trace, prependPath);
-                }
                 if (string.IsNullOrEmpty(commandPath))
                 {
                     shellCommand = "powershell";
                     Trace.Info($"Defaulting to {shellCommand}");
-                    if (ExecutionContext.Global.Variables.GetBoolean("DistributedTask.UseWhich2") == true)
+                    commandPath = WhichUtil.Which(shellCommand, require: true, Trace, prependPath);
-                    {
-                        commandPath = WhichUtil.Which2(shellCommand, require: true, Trace, prependPath);
-                    }
-                    else
-                    {
-                        commandPath = WhichUtil.Which(shellCommand, require: true, Trace, prependPath);
-                    }
                 }
                 ArgUtil.NotNullOrEmpty(commandPath, "Default Shell");
 #else
                 shellCommand = "sh";
-                if (ExecutionContext.Global.Variables.GetBoolean("DistributedTask.UseWhich2") == true)
+                commandPath = WhichUtil.Which("bash", false, Trace, prependPath) ?? WhichUtil.Which("sh", true, Trace, prependPath);
-                {
-                    commandPath = WhichUtil.Which2("bash", false, Trace, prependPath) ?? WhichUtil.Which2("sh", true, Trace, prependPath);
-                }
-                else
-                {
-                    commandPath = WhichUtil.Which("bash", false, Trace, prependPath) ?? WhichUtil.Which("sh", true, Trace, prependPath);
-                }
 #endif
                 argFormat = ScriptHandlerHelpers.GetScriptArgumentsFormat(shellCommand);
             }
@@ -258,14 +209,7 @@ namespace GitHub.Runner.Worker.Handlers
                 if (!IsActionStep && systemShells.Contains(shell))
                 {
                     shellCommand = shell;
-                    if (ExecutionContext.Global.Variables.GetBoolean("DistributedTask.UseWhich2") == true)
+                    commandPath = WhichUtil.Which(shell, !isContainerStepHost, Trace, prependPath);
-                    {
-                        commandPath = WhichUtil.Which2(shell, !isContainerStepHost, Trace, prependPath);
-                    }
-                    else
-                    {
-                        commandPath = WhichUtil.Which(shell, !isContainerStepHost, Trace, prependPath);
-                    }
                     if (shell == "bash")
                     {
                         argFormat = ScriptHandlerHelpers.GetScriptArgumentsFormat("sh");
@@ -280,14 +224,7 @@ namespace GitHub.Runner.Worker.Handlers
                     var parsed = ScriptHandlerHelpers.ParseShellOptionString(shell);
                     shellCommand = parsed.shellCommand;
                     // For non-ContainerStepHost, the command must be located on the host by Which
-                    if (ExecutionContext.Global.Variables.GetBoolean("DistributedTask.UseWhich2") == true)
+                    commandPath = WhichUtil.Which(parsed.shellCommand, !isContainerStepHost, Trace, prependPath);
-                    {
-                        commandPath = WhichUtil.Which2(parsed.shellCommand, !isContainerStepHost, Trace, prependPath);
-                    }
-                    else
-                    {
-                        commandPath = WhichUtil.Which(parsed.shellCommand, !isContainerStepHost, Trace, prependPath);
-                    }
                     argFormat = $"{parsed.shellArgs}".TrimStart();
                     if (string.IsNullOrEmpty(argFormat))
                     {

src/Runner.Worker/JobExtension.cs

@@ -392,6 +392,18 @@ namespace GitHub.Runner.Worker
                         }
                     }
 
+                    // Register custom image creation post-job step if the "snapshot" token is present in the message.
+                    var snapshotRequest = templateEvaluator.EvaluateJobSnapshotRequest(message.Snapshot, jobContext.ExpressionValues, jobContext.ExpressionFunctions);
+                    if (snapshotRequest != null)
+                    {
+                        var snapshotOperationProvider = HostContext.GetService<ISnapshotOperationProvider>();
+                        jobContext.RegisterPostJobStep(new JobExtensionRunner(
+                            runAsync: (executionContext, _) => snapshotOperationProvider.CreateSnapshotRequestAsync(executionContext, snapshotRequest),
+                            condition: $"{PipelineTemplateConstants.Success}()",
+                            displayName: $"Create custom image",
+                            data: null));
+                    }
+
                     // Register Job Completed hook if the variable is set
                     var completedHookPath = Environment.GetEnvironmentVariable("ACTIONS_RUNNER_HOOK_JOB_COMPLETED");
                     if (!string.IsNullOrEmpty(completedHookPath))

src/Runner.Worker/JobRunner.cs

@@ -42,6 +42,7 @@ namespace GitHub.Runner.Worker
             Trace.Info("Job ID {0}", message.JobId);
 
             DateTime jobStartTimeUtc = DateTime.UtcNow;
+            _runnerSettings = HostContext.GetService<IConfigurationStore>().GetSettings();
             IRunnerService server = null;
 
             // add orchestration id to useragent for better correlation.
@@ -49,13 +50,9 @@ namespace GitHub.Runner.Worker
                 !string.IsNullOrEmpty(orchestrationId.Value))
             {
                 HostContext.UserAgents.Add(new ProductInfoHeaderValue("OrchestrationId", orchestrationId.Value));
-            }
 
-            var jobServerQueueTelemetry = false;
+                // make sure orchestration id is in the user-agent header.
-            if (message.Variables.TryGetValue("DistributedTask.EnableJobServerQueueTelemetry", out VariableValue enableJobServerQueueTelemetry) &&
+                VssUtil.InitializeVssClientSettings(HostContext.UserAgents, HostContext.WebProxy);
-                !string.IsNullOrEmpty(enableJobServerQueueTelemetry?.Value))
-            {
-                jobServerQueueTelemetry = StringUtil.ConvertToBoolean(enableJobServerQueueTelemetry.Value);
             }
 
             ServiceEndpoint systemConnection = message.Resources.Endpoints.Single(x => string.Equals(x.Name, WellKnownServiceEndpointNames.SystemVssConnection, StringComparison.OrdinalIgnoreCase));
@@ -79,7 +76,7 @@ namespace GitHub.Runner.Worker
                     launchServer.InitializeLaunchClient(new Uri(launchReceiverEndpoint), accessToken);
                 }
                 _jobServerQueue = HostContext.GetService<IJobServerQueue>();
-                _jobServerQueue.Start(message, resultsServiceOnly: true, enableTelemetry: jobServerQueueTelemetry);
+                _jobServerQueue.Start(message, resultsServiceOnly: true);
             }
             else
             {
@@ -101,7 +98,7 @@ namespace GitHub.Runner.Worker
                 VssConnection jobConnection = VssUtil.CreateConnection(jobServerUrl, jobServerCredential, delegatingHandlers);
                 await jobServer.ConnectAsync(jobConnection);
 
-                _jobServerQueue.Start(message, enableTelemetry: jobServerQueueTelemetry);
+                _jobServerQueue.Start(message);
                 server = jobServer;
             }
 
@@ -161,8 +158,6 @@ namespace GitHub.Runner.Worker
 
                 jobContext.SetRunnerContext("os", VarUtil.OS);
                 jobContext.SetRunnerContext("arch", VarUtil.OSArchitecture);
-
-                _runnerSettings = HostContext.GetService<IConfigurationStore>().GetSettings();
                 jobContext.SetRunnerContext("name", _runnerSettings.AgentName);
 
                 if (jobContext.Global.Variables.TryGetValue(WellKnownDistributedTaskVariables.RunnerEnvironment, out var runnerEnvironment))
@@ -295,6 +290,14 @@ namespace GitHub.Runner.Worker
                 jobContext.Warning(string.Format(Constants.Runner.EnforcedNode12DetectedAfterEndOfLife, actions));
             }
 
+            if (jobContext.Global.Variables.TryGetValue(Constants.Runner.EnforcedNode16DetectedAfterEndOfLifeEnvVariable, out var node20ForceWarnings) && (jobContext.Global.Variables.GetBoolean("DistributedTask.ForceGithubJavascriptActionsToNode20") ?? false))
+            {
+                var actions = string.Join(", ", StringUtil.ConvertFromJson<HashSet<string>>(node20ForceWarnings));
+                jobContext.Warning(string.Format(Constants.Runner.EnforcedNode16DetectedAfterEndOfLife, actions));
+            }
+
+            await ShutdownQueue(throwOnFailure: false);
+
             // Make sure to clean temp after file upload since they may be pending fileupload still use the TEMP dir.
             _tempDirectoryManager?.CleanupTempDirectory();
 
@@ -400,9 +403,20 @@ namespace GitHub.Runner.Worker
                 jobContext.Warning(string.Format(Constants.Runner.EnforcedNode12DetectedAfterEndOfLife, actions));
             }
 
+            if (jobContext.Global.Variables.TryGetValue(Constants.Runner.EnforcedNode16DetectedAfterEndOfLifeEnvVariable, out var node20ForceWarnings))
+            {
+                var actions = string.Join(", ", StringUtil.ConvertFromJson<HashSet<string>>(node20ForceWarnings));
+                jobContext.Warning(string.Format(Constants.Runner.EnforcedNode16DetectedAfterEndOfLife, actions));
+            }
+
             try
             {
-                await ShutdownQueue(throwOnFailure: true);
+                var jobQueueTelemetry = await ShutdownQueue(throwOnFailure: true);
+                // include any job telemetry from the background upload process.
+                if (jobQueueTelemetry.Count > 0)
+                {
+                    jobContext.Global.JobTelemetry.AddRange(jobQueueTelemetry);
+                }
             }
             catch (Exception ex)
             {
@@ -412,13 +426,6 @@ namespace GitHub.Runner.Worker
                 result = TaskResultUtil.MergeTaskResults(result, TaskResult.Failed);
             }
 
-            // include any job telemetry from the background upload process.
-            if (_jobServerQueue != null &&
-                _jobServerQueue.JobTelemetries.Count > 0)
-            {
-                jobContext.Global.JobTelemetry.AddRange(_jobServerQueue.JobTelemetries);
-            }
-
             // Clean TEMP after finish process jobserverqueue, since there might be a pending fileupload still use the TEMP dir.
             _tempDirectoryManager?.CleanupTempDirectory();
 
@@ -511,7 +518,7 @@ namespace GitHub.Runner.Worker
             }
         }
 
-        private async Task ShutdownQueue(bool throwOnFailure)
+        private async Task<IList<JobTelemetry>> ShutdownQueue(bool throwOnFailure)
         {
             if (_jobServerQueue != null)
             {
@@ -519,6 +526,7 @@ namespace GitHub.Runner.Worker
                 {
                     Trace.Info("Shutting down the job server queue.");
                     await _jobServerQueue.ShutdownAsync();
+                    return _jobServerQueue.JobTelemetries;
                 }
                 catch (Exception ex) when (!throwOnFailure)
                 {
@@ -530,6 +538,8 @@ namespace GitHub.Runner.Worker
                     _jobServerQueue = null; // Prevent multiple attempts.
                 }
             }
+
+            return Array.Empty<JobTelemetry>();
         }
     }
 }

src/Runner.Worker/SnapshotOperationProvider.cs

@@ -0,0 +1,32 @@
+#nullable enable
+using System.IO;
+using System.Threading.Tasks;
+using GitHub.DistributedTask.Pipelines;
+using GitHub.Runner.Common;
+using GitHub.Runner.Sdk;
+namespace GitHub.Runner.Worker;
+
+[ServiceLocator(Default = typeof(SnapshotOperationProvider))]
+public interface ISnapshotOperationProvider : IRunnerService
+{
+    Task CreateSnapshotRequestAsync(IExecutionContext executionContext, Snapshot snapshotRequest);
+}
+
+public class SnapshotOperationProvider : RunnerService, ISnapshotOperationProvider
+{
+    public Task CreateSnapshotRequestAsync(IExecutionContext executionContext, Snapshot snapshotRequest)
+    {
+        var snapshotRequestFilePath = Path.Combine(HostContext.GetDirectory(WellKnownDirectory.Root), ".snapshot", "request.json");
+        var snapshotRequestDirectoryPath = Path.GetDirectoryName(snapshotRequestFilePath);
+        if (snapshotRequestDirectoryPath != null)
+        {
+            Directory.CreateDirectory(snapshotRequestDirectoryPath);
+        }
+
+        IOUtil.SaveObject(snapshotRequest, snapshotRequestFilePath);
+        executionContext.Output($"Request written to: {snapshotRequestFilePath}");
+        executionContext.Output("This request will be processed after the job completes. You will not receive any feedback on the snapshot process within the workflow logs of this job.");
+        executionContext.Output("If the snapshot process is successful, you should see a new image with the requested name in the list of available custom images when creating a new GitHub-hosted Runner.");
+        return Task.CompletedTask;
+    }
+}

src/Runner.Worker/StepsRunner.cs

@@ -295,7 +295,7 @@ namespace GitHub.Runner.Worker
                     !jobCancellationToken.IsCancellationRequested)
                 {
                     Trace.Error($"Caught timeout exception from step: {ex.Message}");
-                    step.ExecutionContext.Error("The action has timed out.");
+                    step.ExecutionContext.Error($"The action '{step.DisplayName}' has timed out after {timeoutMinutes} minutes.");
                     step.ExecutionContext.Result = TaskResult.Failed;
                 }
                 else

src/Sdk/Common/Common/RawHttpHeaders.cs

@@ -1,12 +1,11 @@
 using System;
 using System.ComponentModel;
-using System.Diagnostics.CodeAnalysis;
 
 namespace GitHub.Services.Common.Internal
 {
     [EditorBrowsable(EditorBrowsableState.Never)]
     public static class RawHttpHeaders
     {
-        public const String SessionHeader = "X-Runner-Session";
+        public const String SessionHeader = "X-Actions-Session";
     }
 }

src/Sdk/Common/Common/RawHttpMessageHandler.cs

@@ -138,6 +138,8 @@ namespace GitHub.Services.Common
                         response.Dispose();
                     }
 
+                    this.Settings.ApplyTo(request);
+
                     // Let's start with sending a token
                     IssuedToken token = null;
                     if (m_tokenProvider != null)

src/Sdk/Common/Common/VssHttpMessageHandler.cs

@@ -214,25 +214,7 @@ namespace GitHub.Services.Common
                     // ConfigureAwait(false) enables the continuation to be run outside any captured
                     // SyncronizationContext (such as ASP.NET's) which keeps things from deadlocking...
 
-                    var tmpResponse = await m_messageInvoker.SendAsync(request, tokenSource.Token).ConfigureAwait(false);
+                    response = await m_messageInvoker.SendAsync(request, tokenSource.Token).ConfigureAwait(false);
-                    if (Settings.AllowAutoRedirectForBroker && tmpResponse.StatusCode == HttpStatusCode.Redirect)
-                    {
-                        //Dispose of the previous response
-                        tmpResponse?.Dispose();
-
-                        var location = tmpResponse.Headers.Location;
-                        request = new HttpRequestMessage(HttpMethod.Get, location);
-
-                        // Reapply the token to new redirected request
-                        ApplyToken(request, token, applyICredentialsToWebProxy: lastResponseDemandedProxyAuth);
-
-                        // Resend the request
-                        response = await m_messageInvoker.SendAsync(request, tokenSource.Token).ConfigureAwait(false);
-                    }
-                    else
-                    {
-                        response = tmpResponse;
-                    }
 
                     traceInfo?.TraceRequestSendTime();
 

src/Sdk/Common/Common/VssHttpRequestSettings.cs

@@ -110,16 +110,6 @@ namespace GitHub.Services.Common
             set;
         }
 
-        /// <summary>
-        /// Gets or sets a value indicating whether or not HttpClientHandler should follow redirect on outgoing broker requests
-        /// This is special since this also sends token in the request, where as default AllowAutoRedirect does not
-        /// </summary>
-        public Boolean AllowAutoRedirectForBroker
-        {
-            get;
-            set;
-        }
-
         /// <summary>
         /// Gets or sets a value indicating whether or not compression should be used on outgoing requests.
         /// The default value is true.

src/Sdk/DTGenerated/Generated/TaskAgentHttpClientBase.cs

@@ -461,6 +461,9 @@ namespace GitHub.DistributedTask.WebApi
             long? lastMessageId = null,
             TaskAgentStatus? status = null,
             string runnerVersion = null,
+            string os = null,
+            string architecture = null,
+            bool? disableUpdate = null,
             object userState = null,
             CancellationToken cancellationToken = default)
         {
@@ -483,6 +486,21 @@ namespace GitHub.DistributedTask.WebApi
                 queryParams.Add("runnerVersion", runnerVersion);
             }
 
+            if (os != null)
+            {
+                queryParams.Add("os", os);
+            }
+
+            if (architecture != null)
+            {
+                queryParams.Add("architecture", architecture);
+            }
+
+            if (disableUpdate != null)
+            {
+                queryParams.Add("disableUpdate", disableUpdate.Value.ToString().ToLower());
+            }
+
             return SendAsync<TaskAgentMessage>(
                 httpMethod,
                 locationId,

src/Sdk/DTPipelines/Pipelines/AgentJobRequestMessage.cs

@@ -43,6 +43,7 @@ namespace GitHub.DistributedTask.Pipelines
             TemplateToken jobOutputs,
             IList<TemplateToken> defaults,
             ActionsEnvironmentReference actionsEnvironment,
+            TemplateToken snapshot,
             String messageType = JobRequestMessageTypes.PipelineAgentJobRequest)
         {
             this.MessageType = messageType;
@@ -57,6 +58,7 @@ namespace GitHub.DistributedTask.Pipelines
             this.Workspace = workspaceOptions;
             this.JobOutputs = jobOutputs;
             this.ActionsEnvironment = actionsEnvironment;
+            this.Snapshot = snapshot;
             m_variables = new Dictionary<String, VariableValue>(variables, StringComparer.OrdinalIgnoreCase);
             m_maskHints = new List<MaskHint>(maskHints);
             m_steps = new List<JobStep>(steps);
@@ -237,6 +239,13 @@ namespace GitHub.DistributedTask.Pipelines
             set;
         }
 
+        [DataMember(EmitDefaultValue = false)]
+        public TemplateToken Snapshot
+        {
+            get;
+            set;
+        }
+
         /// <summary>
         /// Gets the collection of variables associated with the current context.
         /// </summary>

src/Sdk/DTPipelines/Pipelines/ObjectTemplating/PipelineTemplateConstants.cs

@@ -29,6 +29,7 @@ namespace GitHub.DistributedTask.Pipelines.ObjectTemplating
         public const String Id = "id";
         public const String If = "if";
         public const String Image = "image";
+        public const String ImageName = "image-name";
         public const String Include = "include";
         public const String Inputs = "inputs";
         public const String Job = "job";
@@ -60,6 +61,7 @@ namespace GitHub.DistributedTask.Pipelines.ObjectTemplating
         public const String Services = "services";
         public const String Shell = "shell";
         public const String Skipped = "skipped";
+        public const String Snapshot = "snapshot";
         public const String StepEnv = "step-env";
         public const String StepIfResult = "step-if-result";
         public const String StepWith = "step-with";

src/Sdk/DTPipelines/Pipelines/ObjectTemplating/PipelineTemplateConverter.cs

@@ -346,6 +346,39 @@ namespace GitHub.DistributedTask.Pipelines.ObjectTemplating
             return result;
         }
 
+        internal static Snapshot ConvertToJobSnapshotRequest(TemplateContext context, TemplateToken token)
+        {
+            string imageName = null;
+            if (token is StringToken snapshotStringLiteral)
+            {
+                imageName = snapshotStringLiteral.Value;
+            }
+            else
+            {
+                var snapshotMapping = token.AssertMapping($"{PipelineTemplateConstants.Snapshot}");
+                foreach (var snapshotPropertyPair in snapshotMapping)
+                {
+                    var propertyName = snapshotPropertyPair.Key.AssertString($"{PipelineTemplateConstants.Snapshot} key");
+                    switch (propertyName.Value)
+                    {
+                        case PipelineTemplateConstants.ImageName:
+                            imageName = snapshotPropertyPair.Value.AssertString($"{PipelineTemplateConstants.Snapshot} {propertyName}").Value;
+                            break;
+                        default:
+                            propertyName.AssertUnexpectedValue($"{PipelineTemplateConstants.Snapshot} key");
+                            break;
+                    }
+                }
+            }
+
+            if (String.IsNullOrEmpty(imageName))
+            {
+                return null;
+            }
+
+            return new Snapshot(imageName);
+        }
+
         private static ActionStep ConvertToStep(
             TemplateContext context,
             TemplateToken stepsItem,

src/Sdk/DTPipelines/Pipelines/ObjectTemplating/PipelineTemplateEvaluator.cs

@@ -370,6 +370,32 @@ namespace GitHub.DistributedTask.Pipelines.ObjectTemplating
             return result;
         }
 
+        public Snapshot EvaluateJobSnapshotRequest(TemplateToken token,
+            DictionaryContextData contextData,
+            IList<IFunctionInfo> expressionFunctions)
+        {
+            var result = default(Snapshot);
+
+            if (token != null && token.Type != TokenType.Null)
+            {
+                var context = CreateContext(contextData, expressionFunctions);
+                try
+                {
+                    token = TemplateEvaluator.Evaluate(context, PipelineTemplateConstants.Snapshot, token, 0, null, omitHeader: true);
+                    context.Errors.Check();
+                    result = PipelineTemplateConverter.ConvertToJobSnapshotRequest(context, token);
+                }
+                catch (Exception ex) when (!(ex is TemplateValidationException))
+                {
+                    context.Errors.Add(ex);
+                }
+
+                context.Errors.Check();
+            }
+
+            return result;
+        }
+
         private TemplateContext CreateContext(
             DictionaryContextData contextData,
             IList<IFunctionInfo> expressionFunctions,

src/Sdk/DTPipelines/Pipelines/Snapshot.cs

@@ -0,0 +1,17 @@
+using System;
+using System.Runtime.Serialization;
+
+namespace GitHub.DistributedTask.Pipelines
+{
+    [DataContract]
+    public class Snapshot
+    {
+        public Snapshot(string imageName)
+        {
+            ImageName = imageName;
+        }
+
+        [DataMember(EmitDefaultValue = false)]
+        public String ImageName { get; set; }
+    }
+}

src/Sdk/DTPipelines/workflow-v1.0.json

@@ -71,7 +71,8 @@
           "env": "job-env",
           "outputs": "job-outputs",
           "defaults": "job-defaults",
-          "steps": "steps"
+          "steps": "steps",
+          "snapshot": "snapshot"
         }
       }
     },
@@ -155,6 +156,24 @@
       }
     },
 
+    "snapshot": {
+      "one-of": [
+        "non-empty-string",
+        "snapshot-mapping"
+      ]
+    },
+
+    "snapshot-mapping": {
+      "mapping": {
+        "properties": {
+          "image-name": {
+            "type": "non-empty-string",
+            "required": true
+          }
+        }
+      }
+    },
+
     "runs-on": {
       "context": [
         "github",

src/Sdk/DTWebApi/WebApi/ActionsRunServerHttpClient.cs

@@ -0,0 +1,95 @@
+using System;
+using System.Collections.Generic;
+using System.Globalization;
+using System.IO;
+using System.IO.Compression;
+using System.Linq;
+using System.Net;
+using System.Net.Http;
+using System.Net.Http.Headers;
+using System.Threading;
+using System.Threading.Tasks;
+using GitHub.Services.Common;
+using GitHub.Services.Common.Diagnostics;
+using GitHub.Services.WebApi;
+using Newtonsoft.Json;
+
+namespace GitHub.DistributedTask.WebApi
+{
+    [ResourceArea(TaskResourceIds.AreaId)]
+    public class ActionsRunServerHttpClient : TaskAgentHttpClient
+    {
+        private static readonly JsonSerializerSettings s_serializerSettings;
+
+        static ActionsRunServerHttpClient()
+        {
+            s_serializerSettings = new VssJsonMediaTypeFormatter().SerializerSettings;
+            s_serializerSettings.DateParseHandling = DateParseHandling.None;
+            s_serializerSettings.FloatParseHandling = FloatParseHandling.Double;
+        }
+
+        public ActionsRunServerHttpClient(
+            Uri baseUrl,
+            VssCredentials credentials)
+            : base(baseUrl, credentials)
+        {
+        }
+
+        public ActionsRunServerHttpClient(
+            Uri baseUrl,
+            VssCredentials credentials,
+            VssHttpRequestSettings settings)
+            : base(baseUrl, credentials, settings)
+        {
+        }
+
+        public ActionsRunServerHttpClient(
+            Uri baseUrl,
+            VssCredentials credentials,
+            params DelegatingHandler[] handlers)
+            : base(baseUrl, credentials, handlers)
+        {
+        }
+
+        public ActionsRunServerHttpClient(
+            Uri baseUrl,
+            VssCredentials credentials,
+            VssHttpRequestSettings settings,
+            params DelegatingHandler[] handlers)
+            : base(baseUrl, credentials, settings, handlers)
+        {
+        }
+
+        public ActionsRunServerHttpClient(
+            Uri baseUrl,
+            HttpMessageHandler pipeline,
+            Boolean disposeHandler)
+            : base(baseUrl, pipeline, disposeHandler)
+        {
+        }
+
+        public Task<Pipelines.AgentJobRequestMessage> GetJobMessageAsync(
+            string messageId,
+            object userState = null,
+            CancellationToken cancellationToken = default)
+        {
+            HttpMethod httpMethod = new HttpMethod("GET");
+            Guid locationId = new Guid("25adab70-1379-4186-be8e-b643061ebe3a");
+            object routeValues = new { messageId = messageId };
+
+            return SendAsync<Pipelines.AgentJobRequestMessage>(
+                httpMethod,
+                locationId,
+                routeValues: routeValues,
+                version: new ApiResourceVersion(6.0, 1),
+                userState: userState,
+                cancellationToken: cancellationToken);
+        }
+
+        protected override async Task<T> ReadJsonContentAsync<T>(HttpResponseMessage response, CancellationToken cancellationToken = default(CancellationToken))
+        {
+            var json = await response.Content.ReadAsStringAsync(cancellationToken).ConfigureAwait(false);
+            return JsonConvert.DeserializeObject<T>(json, s_serializerSettings);
+        }
+    }
+}

src/Sdk/DTWebApi/WebApi/BrokerMigrationMessage.cs

@@ -0,0 +1,38 @@
+using System;
+using System.Runtime.Serialization;
+
+namespace GitHub.DistributedTask.WebApi
+{
+    /// <summary>
+    /// Message that tells the runner to redirect itself to BrokerListener for messages.
+    /// (Note that we use a special Message instead of a simple 302. This is because 
+    /// the runner will need to apply the runner's token to the request, and it is
+    /// a security best practice to *not* blindly add sensitive data to redirects
+    /// 302s.)
+    /// </summary>
+    [DataContract]
+    public class BrokerMigrationMessage
+    {
+        public static readonly string MessageType = "BrokerMigration";
+
+        public BrokerMigrationMessage()
+        {
+        }
+
+        public BrokerMigrationMessage(
+            Uri brokerUrl)
+        {
+            this.BrokerBaseUrl = brokerUrl;
+        }
+
+        /// <summary>
+        /// The base url for the broker listener
+        /// </summary>
+        [DataMember]
+        public Uri BrokerBaseUrl
+        {
+            get;
+            internal set;
+        }
+    }
+}

src/Sdk/DTWebApi/WebApi/Exceptions.cs

@@ -2498,6 +2498,25 @@ namespace GitHub.DistributedTask.WebApi
         }
     }
 
+    [Serializable]
+    public class NonRetryableActionDownloadInfoException : DistributedTaskException
+    {
+        public NonRetryableActionDownloadInfoException(String message)
+            : base(message)
+        {
+        }
+
+        public NonRetryableActionDownloadInfoException(String message, Exception innerException)
+            : base(message, innerException)
+        {
+        }
+
+        protected NonRetryableActionDownloadInfoException(SerializationInfo info, StreamingContext context)
+            : base(info, context)
+        {
+        }
+    }
+
     [Serializable]
     public sealed class FailedToResolveActionDownloadInfoException : DistributedTaskException
     {

src/Sdk/DTWebApi/WebApi/RunnerRefreshMessage.cs

@@ -1,5 +1,6 @@
 using Newtonsoft.Json;
 using System;
+using System.Collections.Generic;
 using System.Runtime.Serialization;
 
 
@@ -15,35 +16,32 @@ namespace GitHub.DistributedTask.WebApi
         {
         }
 
-        public RunnerRefreshMessage(
+        [DataMember(Name = "target_version")]
-            ulong runnerId,
-            String targetVersion,
-            int? timeoutInSeconds = null)
-        {
-            this.RunnerId = runnerId;
-            this.TimeoutInSeconds = timeoutInSeconds ?? TimeSpan.FromMinutes(60).Seconds;
-            this.TargetVersion = targetVersion;
-        }
-
-        [DataMember]
-        public ulong RunnerId
-        {
-            get;
-            private set;
-        }
-
-        [DataMember]
-        public int TimeoutInSeconds
-        {
-            get;
-            private set;
-        }
-
-        [DataMember]
         public String TargetVersion
         {
             get;
-            private set;
+            set;
+        }
+
+        [DataMember(Name = "download_url")]
+        public string DownloadUrl
+        {
+            get;
+            set;
+        }
+
+        [DataMember(Name = "sha256_checksum")]
+        public string SHA256Checksum
+        {
+            get;
+            set;
+        }
+
+        [DataMember(Name = "os")]
+        public string OS
+        {
+            get;
+            set;
         }
     }
 }

src/Sdk/DTWebApi/WebApi/TaskAgentHttpClient.cs

@@ -141,24 +141,6 @@ namespace GitHub.DistributedTask.WebApi
             return ReplaceAgentAsync(poolId, agent.Id, agent, userState, cancellationToken);
         }
 
-        public Task<Pipelines.AgentJobRequestMessage> GetJobMessageAsync(
-            string messageId,
-            object userState = null,
-            CancellationToken cancellationToken = default)
-        {
-            HttpMethod httpMethod = new HttpMethod("GET");
-            Guid locationId = new Guid("25adab70-1379-4186-be8e-b643061ebe3a");
-            object routeValues = new { messageId = messageId };
-
-            return SendAsync<Pipelines.AgentJobRequestMessage>(
-                httpMethod,
-                locationId,
-                routeValues: routeValues,
-                version: new ApiResourceVersion(6.0, 1),
-                userState: userState,
-                cancellationToken: cancellationToken);
-        }
-
         protected Task<T> SendAsync<T>(
             HttpMethod method,
             Guid locationId,

src/Sdk/DTWebApi/WebApi/TaskAgentMessageTypes.cs

@@ -0,0 +1,10 @@
+using System;
+using System.Runtime.Serialization;
+
+namespace GitHub.DistributedTask.WebApi
+{
+    public sealed class TaskAgentMessageTypes
+    {
+        public static readonly string ForceTokenRefresh = "ForceTokenRefresh";
+    }
+}

src/Sdk/DTWebApi/WebApi/TaskAgentSession.cs

@@ -75,5 +75,12 @@ namespace GitHub.DistributedTask.WebApi
             get;
             set;
         }
+
+        [DataMember(EmitDefaultValue = false, IsRequired = false)]
+        public BrokerMigrationMessage BrokerMigrationMessage
+        {
+            get;
+            set;
+        }
     }
 }

src/Sdk/DTWebApi/WebApi/TaskAttachment.cs

@@ -101,6 +101,7 @@ namespace GitHub.DistributedTask.WebApi
         public static readonly String FileAttachment = "DistributedTask.Core.FileAttachment";
         public static readonly String DiagnosticLog = "DistributedTask.Core.DiagnosticLog";
         public static readonly String ResultsLog = "Results.Core.Log";
+        public static readonly String ResultsDiagnosticLog = "Results.Core.DiagnosticLog";
     }
 
     [GenerateAllConstants]

src/Sdk/RSWebApi/Contracts/AcquireJobRequest.cs

@@ -7,5 +7,8 @@ namespace GitHub.Actions.RunService.WebApi
     {
         [DataMember(Name = "jobMessageId", EmitDefaultValue = false)]
         public string JobMessageId { get; set; }
+
+        [DataMember(Name = "runnerOS", EmitDefaultValue = false)]
+        public string RunnerOS { get; set; }
     }
 }

src/Sdk/RSWebApi/RunServiceHttpClient.cs

@@ -9,6 +9,7 @@ using GitHub.DistributedTask.WebApi;
 using GitHub.Services.Common;
 using GitHub.Services.OAuth;
 using GitHub.Services.WebApi;
+using Newtonsoft.Json;
 using Sdk.RSWebApi.Contracts;
 using Sdk.WebApi.WebApi;
 
@@ -16,6 +17,15 @@ namespace GitHub.Actions.RunService.WebApi
 {
     public class RunServiceHttpClient : RawHttpClientBase
     {
+        private static readonly JsonSerializerSettings s_serializerSettings;
+
+        static RunServiceHttpClient()
+        {
+            s_serializerSettings = new VssJsonMediaTypeFormatter().SerializerSettings;
+            s_serializerSettings.DateParseHandling = DateParseHandling.None;
+            s_serializerSettings.FloatParseHandling = FloatParseHandling.Double;
+        }
+
         public RunServiceHttpClient(
             Uri baseUrl,
             VssOAuthCredential credentials)
@@ -59,12 +69,14 @@ namespace GitHub.Actions.RunService.WebApi
         public async Task<AgentJobRequestMessage> GetJobMessageAsync(
             Uri requestUri,
             string messageId,
+            string runnerOS,
             CancellationToken cancellationToken = default)
         {
             HttpMethod httpMethod = new HttpMethod("POST");
             var payload = new AcquireJobRequest
             {
                 JobMessageId = messageId,
+                RunnerOS = runnerOS
             };
 
             requestUri = new Uri(requestUri, "acquirejob");
@@ -172,5 +184,11 @@ namespace GitHub.Actions.RunService.WebApi
                     throw new Exception($"Failed to renew job: {result.Error}");
             }
         }
+
+        protected override async Task<T> ReadJsonContentAsync<T>(HttpResponseMessage response, CancellationToken cancellationToken = default(CancellationToken))
+        {
+            var json = await response.Content.ReadAsStringAsync(cancellationToken).ConfigureAwait(false);
+            return JsonConvert.DeserializeObject<T>(json, s_serializerSettings);
+        }
     }
 }

src/Sdk/Sdk.csproj

@@ -13,6 +13,7 @@
     </PropertyGroup>
 
     <ItemGroup>
+        <PackageReference Include="Azure.Storage.Blobs" Version="12.19.1" />
         <PackageReference Include="Microsoft.Win32.Registry" Version="4.4.0" />
         <PackageReference Include="Newtonsoft.Json" Version="13.0.3" />
         <PackageReference Include="Microsoft.AspNet.WebApi.Client" Version="5.2.9" />

src/Sdk/WebApi/WebApi/BrokerHttpClient.cs

@@ -57,8 +57,12 @@ namespace GitHub.Actions.RunService.WebApi
         }
 
         public async Task<TaskAgentMessage> GetRunnerMessageAsync(
+            Guid? sessionId,
             string runnerVersion,
             TaskAgentStatus? status,
+            string os = null,
+            string architecture = null,
+            bool? disableUpdate = null,
             CancellationToken cancellationToken = default
         )
         {
@@ -66,6 +70,11 @@ namespace GitHub.Actions.RunService.WebApi
 
             List<KeyValuePair<string, string>> queryParams = new List<KeyValuePair<string, string>>();
 
+            if (sessionId != null)
+            {
+                queryParams.Add("sessionId", sessionId.Value.ToString());
+            }
+
             if (status != null)
             {
                 queryParams.Add("status", status.Value.ToString());
@@ -75,6 +84,21 @@ namespace GitHub.Actions.RunService.WebApi
                 queryParams.Add("runnerVersion", runnerVersion);
             }
 
+            if (os != null)
+            {
+                queryParams.Add("os", os);
+            }
+
+            if (architecture != null)
+            {
+                queryParams.Add("architecture", architecture);
+            }
+
+            if (disableUpdate != null)
+            {
+                queryParams.Add("disableUpdate", disableUpdate.Value.ToString().ToLower());
+            }
+
             var result = await SendAsync<TaskAgentMessage>(
                 new HttpMethod("GET"),
                 requestUri: requestUri,
@@ -86,12 +110,67 @@ namespace GitHub.Actions.RunService.WebApi
                 return result.Value;
             }
 
+            // the only time we throw a `Forbidden` exception from Listener /messages is when the runner is
+            // disable_update and is too old to poll
+            if (result.StatusCode == HttpStatusCode.Forbidden)
+            {
+                throw new AccessDeniedException($"{result.Error} Runner version v{runnerVersion} is deprecated and cannot receive messages.")
+                {
+                    ErrorCode = 1
+                };
+            }
+
+            throw new Exception($"Failed to get job message: {result.Error}");
+        }
+
+        public async Task<TaskAgentSession> CreateSessionAsync(
+
+           TaskAgentSession session,
+           CancellationToken cancellationToken = default)
+        {
+            var requestUri = new Uri(Client.BaseAddress, "session");
+            var requestContent = new ObjectContent<TaskAgentSession>(session, new VssJsonMediaTypeFormatter(true));
+
+            var result = await SendAsync<TaskAgentSession>(
+                new HttpMethod("POST"),
+                requestUri: requestUri,
+                content: requestContent,
+                cancellationToken: cancellationToken);
+
+            if (result.IsSuccess)
+            {
+                return result.Value;
+            }
+
             if (result.StatusCode == HttpStatusCode.Forbidden)
             {
                 throw new AccessDeniedException(result.Error);
             }
 
-            throw new Exception($"Failed to get job message: {result.Error}");
+            if (result.StatusCode == HttpStatusCode.Conflict)
+            {
+                throw new TaskAgentSessionConflictException(result.Error);
+            }
+
+            throw new Exception($"Failed to create broker session: {result.Error}");
+        }
+
+        public async Task DeleteSessionAsync(
+            CancellationToken cancellationToken = default)
+        {
+            var requestUri = new Uri(Client.BaseAddress, $"session");
+
+            var result = await SendAsync<object>(
+                new HttpMethod("DELETE"),
+                requestUri: requestUri,
+                cancellationToken: cancellationToken);
+
+            if (result.IsSuccess)
+            {
+                return;
+            }
+
+            throw new Exception($"Failed to delete broker session: {result.Error}");
         }
     }
 }

src/Sdk/WebApi/WebApi/Contracts.cs

@@ -89,6 +89,26 @@ namespace GitHub.Services.Results.Contracts
         public long SoftSizeLimit;
     }
 
+    [DataContract]
+    [JsonObject(NamingStrategyType = typeof(SnakeCaseNamingStrategy))]
+    public class GetSignedDiagnosticLogsURLRequest
+    {
+        [DataMember]
+        public string WorkflowJobRunBackendId;
+        [DataMember]
+        public string WorkflowRunBackendId;
+    }
+
+    [DataContract]
+    [JsonObject(NamingStrategyType = typeof(SnakeCaseNamingStrategy))]
+    public class GetSignedDiagnosticLogsURLResponse
+    {
+        [DataMember]
+        public string DiagLogsURL;
+        [DataMember]
+        public string BlobStorageType;
+    }
+
     [DataContract]
     [JsonObject(NamingStrategyType = typeof(SnakeCaseNamingStrategy))]
     public class JobLogsMetadataCreate

src/Sdk/WebApi/WebApi/ResultsHttpClient.cs

@@ -1,6 +1,5 @@
 using System;
 using System.Collections.Generic;
-using System.Diagnostics;
 using System.IO;
 using System.Linq;
 using System.Net.Http;
@@ -8,8 +7,11 @@ using System.Net.Http.Headers;
 using System.Threading;
 using System.Threading.Tasks;
 using System.Net.Http.Formatting;
+using Azure;
+using Azure.Storage.Blobs;
+using Azure.Storage.Blobs.Models;
+using Azure.Storage.Blobs.Specialized;
 using GitHub.DistributedTask.WebApi;
-using GitHub.Services.Common;
 using GitHub.Services.Results.Contracts;
 using Sdk.WebApi.WebApi;
 
@@ -21,13 +23,15 @@ namespace GitHub.Services.Results.Client
             Uri baseUrl,
             HttpMessageHandler pipeline,
             string token,
-            bool disposeHandler)
+            bool disposeHandler,
+            bool useSdk)
             : base(baseUrl, pipeline, disposeHandler)
         {
             m_token = token;
             m_resultsServiceUrl = baseUrl;
             m_formatter = new JsonMediaTypeFormatter();
             m_changeIdCounter = 1;
+            m_useSdk = useSdk;
         }
 
         // Get Sas URL calls
@@ -77,6 +81,19 @@ namespace GitHub.Services.Results.Client
             return await GetResultsSignedURLResponse<GetSignedStepLogsURLRequest, GetSignedStepLogsURLResponse>(getStepLogsSignedBlobURLEndpoint, cancellationToken, request);
         }
 
+        private async Task<GetSignedDiagnosticLogsURLResponse> GetDiagnosticLogsUploadUrlAsync(string planId, string jobId, CancellationToken cancellationToken)
+        {
+            var request = new GetSignedDiagnosticLogsURLRequest()
+            {
+                WorkflowJobRunBackendId = jobId,
+                WorkflowRunBackendId = planId,
+            };
+
+            var getDiagnosticLogsSignedBlobURLEndpoint = new Uri(m_resultsServiceUrl, Constants.GetJobDiagLogsSignedBlobURL);
+
+            return await GetResultsSignedURLResponse<GetSignedDiagnosticLogsURLRequest, GetSignedDiagnosticLogsURLResponse>(getDiagnosticLogsSignedBlobURLEndpoint, cancellationToken, request);
+        }
+
         private async Task<GetSignedJobLogsURLResponse> GetJobLogUploadUrlAsync(string planId, string jobId, CancellationToken cancellationToken)
         {
             var request = new GetSignedJobLogsURLRequest()
@@ -91,7 +108,6 @@ namespace GitHub.Services.Results.Client
         }
 
         // Create metadata calls
-
         private async Task SendRequest<R>(Uri uri, CancellationToken cancellationToken, R request, string timestamp)
         {
             using (HttpRequestMessage requestMessage = new HttpRequestMessage(HttpMethod.Post, uri))
@@ -161,73 +177,219 @@ namespace GitHub.Services.Results.Client
             await SendRequest<JobLogsMetadataCreate>(createJobLogsMetadataEndpoint, cancellationToken, request, timestamp);
         }
 
-        private async Task<HttpResponseMessage> UploadBlockFileAsync(string url, string blobStorageType, FileStream file, CancellationToken cancellationToken)
+        private (Uri path, string sas) ParseSasToken(string url)
         {
-            // Upload the file to the url
+            if (String.IsNullOrEmpty(url))
-            var request = new HttpRequestMessage(HttpMethod.Put, url)
             {
-                Content = new StreamContent(file)
+                throw new Exception($"SAS url is empty");
-            };
-
-            if (blobStorageType == BlobStorageTypes.AzureBlobStorage)
-            {
-                request.Content.Headers.Add(Constants.AzureBlobTypeHeader, Constants.AzureBlockBlob);
             }
 
-            using (var response = await SendAsync(request, HttpCompletionOption.ResponseHeadersRead, userState: null, cancellationToken))
+            var blobUri = new UriBuilder(url);
+            var sasUrl = blobUri.Query.Substring(1); //remove starting "?"
+            blobUri.Query = null; // remove query params
+            return (blobUri.Uri, sasUrl);
+        }
+
+        private BlobClient GetBlobClient(string url)
+        {
+            var blobUri = ParseSasToken(url);
+
+            var opts = new BlobClientOptions
             {
-                if (!response.IsSuccessStatusCode)
+                Retry =
                 {
-                    throw new Exception($"Failed to upload file, status code: {response.StatusCode}, reason: {response.ReasonPhrase}");
+                    MaxRetries = Constants.DefaultBlobUploadRetries,
+                    NetworkTimeout = TimeSpan.FromSeconds(Constants.DefaultNetworkTimeoutInSeconds)
+                }
+            };
+
+            return new BlobClient(blobUri.path, new AzureSasCredential(blobUri.sas), opts);
+        }
+
+        private AppendBlobClient GetAppendBlobClient(string url)
+        {
+            var blobUri = ParseSasToken(url);
+
+            var opts = new BlobClientOptions
+            {
+                Retry =
+                {
+                    MaxRetries = Constants.DefaultBlobUploadRetries,
+                    NetworkTimeout = TimeSpan.FromSeconds(Constants.DefaultNetworkTimeoutInSeconds)
+                }
+            };
+
+            return new AppendBlobClient(blobUri.path, new AzureSasCredential(blobUri.sas), opts);
+        }
+
+        private async Task UploadBlockFileAsync(string url, string blobStorageType, FileStream file, CancellationToken cancellationToken, Dictionary<string, string> customHeaders = null)
+        {
+            if (m_useSdk && blobStorageType == BlobStorageTypes.AzureBlobStorage)
+            {
+                var blobClient = GetBlobClient(url);
+                var httpHeaders = new BlobHttpHeaders();
+                if (customHeaders != null)
+                {
+                    foreach (var header in customHeaders)
+                    {
+                        switch (header.Key)
+                        {
+                            case Constants.ContentTypeHeader:
+                                httpHeaders.ContentType = header.Value;
+                                break;
+                        }
+                    }
+                }
+                try
+                {
+                    await blobClient.UploadAsync(file, new BlobUploadOptions()
+                    {
+                        HttpHeaders = httpHeaders,
+                        Conditions = new BlobRequestConditions
+                        {
+                            IfNoneMatch = new ETag("*")
+                        }
+                    }, cancellationToken);
+                }
+                catch (RequestFailedException e)
+                {
+                    throw new Exception($"Failed to upload block to Azure blob: {e.Message}");
+                }
+            }
+            else
+            {
+                // Upload the file to the url
+                var request = new HttpRequestMessage(HttpMethod.Put, url)
+                {
+                    Content = new StreamContent(file)
+                };
+
+                if (blobStorageType == BlobStorageTypes.AzureBlobStorage)
+                {
+                    request.Content.Headers.Add(Constants.AzureBlobTypeHeader, Constants.AzureBlockBlob);
+                }
+
+                if (customHeaders != null)
+                {
+                    foreach (var header in customHeaders)
+                    {
+                        request.Content.Headers.Add(header.Key, header.Value);
+                    }
+                };
+
+                using (var response = await SendAsync(request, HttpCompletionOption.ResponseHeadersRead, userState: null, cancellationToken))
+                {
+                    if (!response.IsSuccessStatusCode)
+                    {
+                        throw new Exception($"Failed to upload file, status code: {response.StatusCode}, reason: {response.ReasonPhrase}");
+                    }
                 }
-                return response;
             }
         }
 
-        private async Task<HttpResponseMessage> CreateAppendFileAsync(string url, string blobStorageType, CancellationToken cancellationToken)
+        private async Task CreateAppendFileAsync(string url, string blobStorageType, CancellationToken cancellationToken, Dictionary<string, string> customHeaders = null)
         {
-            var request = new HttpRequestMessage(HttpMethod.Put, url)
+            if (m_useSdk && blobStorageType == BlobStorageTypes.AzureBlobStorage)
             {
-                Content = new StringContent("")
+                var appendBlobClient = GetAppendBlobClient(url);
-            };
+                var httpHeaders = new BlobHttpHeaders();
-            if (blobStorageType == BlobStorageTypes.AzureBlobStorage)
+                if (customHeaders != null)
-            {
-                request.Content.Headers.Add(Constants.AzureBlobTypeHeader, Constants.AzureAppendBlob);
-                request.Content.Headers.Add("Content-Length", "0");
-            }
-
-            using (var response = await SendAsync(request, HttpCompletionOption.ResponseHeadersRead, userState: null, cancellationToken))
-            {
-                if (!response.IsSuccessStatusCode)
                 {
-                    throw new Exception($"Failed to create append file, status code: {response.StatusCode}, reason: {response.ReasonPhrase}");
+                    foreach (var header in customHeaders)
+                    {
+                        switch (header.Key)
+                        {
+                            case Constants.ContentTypeHeader:
+                                httpHeaders.ContentType = header.Value;
+                                break;
+                        }
+                    }
+                }
+                try
+                {
+                    await appendBlobClient.CreateAsync(new AppendBlobCreateOptions()
+                    {
+                        HttpHeaders = httpHeaders,
+                        Conditions = new AppendBlobRequestConditions
+                        {
+                            IfNoneMatch = new ETag("*")
+                        }
+                    }, cancellationToken: cancellationToken);
+                }
+                catch (RequestFailedException e)
+                {
+                    throw new Exception($"Failed to create append blob in Azure blob: {e.Message}");
+                }
+            }
+            else
+            {
+                var request = new HttpRequestMessage(HttpMethod.Put, url)
+                {
+                    Content = new StringContent("")
+                };
+                if (blobStorageType == BlobStorageTypes.AzureBlobStorage)
+                {
+                    request.Content.Headers.Add(Constants.AzureBlobTypeHeader, Constants.AzureAppendBlob);
+                    request.Content.Headers.Add("Content-Length", "0");
+                }
+                if (customHeaders != null)
+                {
+                    foreach (var header in customHeaders)
+                    {
+                        request.Content.Headers.Add(header.Key, header.Value);
+                    }
+                };
+
+                using (var response = await SendAsync(request, HttpCompletionOption.ResponseHeadersRead, userState: null, cancellationToken))
+                {
+                    if (!response.IsSuccessStatusCode)
+                    {
+                        throw new Exception($"Failed to create append file, status code: {response.StatusCode}, reason: {response.ReasonPhrase}");
+                    }
                 }
-                return response;
             }
         }
 
-        private async Task<HttpResponseMessage> UploadAppendFileAsync(string url, string blobStorageType, FileStream file, bool finalize, long fileSize, CancellationToken cancellationToken)
+        private async Task UploadAppendFileAsync(string url, string blobStorageType, FileStream file, bool finalize, long fileSize, CancellationToken cancellationToken)
         {
-            var comp = finalize ? "&comp=appendblock&seal=true" : "&comp=appendblock";
+            if (m_useSdk && blobStorageType == BlobStorageTypes.AzureBlobStorage)
-            // Upload the file to the url
-            var request = new HttpRequestMessage(HttpMethod.Put, url + comp)
             {
-                Content = new StreamContent(file)
+                var appendBlobClient = GetAppendBlobClient(url);
-            };
+                try
-
-            if (blobStorageType == BlobStorageTypes.AzureBlobStorage)
-            {
-                request.Content.Headers.Add("Content-Length", fileSize.ToString());
-                request.Content.Headers.Add(Constants.AzureBlobSealedHeader, finalize.ToString());
-            }
-
-            using (var response = await SendAsync(request, HttpCompletionOption.ResponseHeadersRead, userState: null, cancellationToken))
-            {
-                if (!response.IsSuccessStatusCode)
                 {
-                    throw new Exception($"Failed to upload append file, status code: {response.StatusCode}, reason: {response.ReasonPhrase}, object: {response}, fileSize: {fileSize}");
+                    await appendBlobClient.AppendBlockAsync(file, cancellationToken: cancellationToken);
+                    if (finalize)
+                    {
+                        await appendBlobClient.SealAsync(cancellationToken: cancellationToken);
+                    }
+                }
+                catch (RequestFailedException e)
+                {
+                    throw new Exception($"Failed to upload append block in Azure blob: {e.Message}");
+                }
+            }
+            else
+            {
+                var comp = finalize ? "&comp=appendblock&seal=true" : "&comp=appendblock";
+                // Upload the file to the url
+                var request = new HttpRequestMessage(HttpMethod.Put, url + comp)
+                {
+                    Content = new StreamContent(file)
+                };
+
+                if (blobStorageType == BlobStorageTypes.AzureBlobStorage)
+                {
+                    request.Content.Headers.Add("Content-Length", fileSize.ToString());
+                    request.Content.Headers.Add(Constants.AzureBlobSealedHeader, finalize.ToString());
+                }
+
+                using (var response = await SendAsync(request, HttpCompletionOption.ResponseHeadersRead, userState: null, cancellationToken))
+                {
+                    if (!response.IsSuccessStatusCode)
+                    {
+                        throw new Exception($"Failed to upload append file, status code: {response.StatusCode}, reason: {response.ReasonPhrase}, object: {response}, fileSize: {fileSize}");
+                    }
                 }
-                return response;
             }
         }
 
@@ -251,13 +413,42 @@ namespace GitHub.Services.Results.Client
             // Upload the file
             using (var fileStream = new FileStream(file, FileMode.Open, FileAccess.Read, FileShare.Read, 4096, true))
             {
-                var response = await UploadBlockFileAsync(uploadUrlResponse.SummaryUrl, uploadUrlResponse.BlobStorageType, fileStream, cancellationToken);
+                await UploadBlockFileAsync(uploadUrlResponse.SummaryUrl, uploadUrlResponse.BlobStorageType, fileStream, cancellationToken);
             }
 
             // Send step summary upload complete message
             await StepSummaryUploadCompleteAsync(planId, jobId, stepId, fileSize, cancellationToken);
         }
 
+        private async Task UploadLogFile(string file, bool finalize, bool firstBlock, string sasUrl, string blobStorageType,
+            CancellationToken cancellationToken, Dictionary<string, string> customHeaders = null)
+        {
+            if (firstBlock && finalize)
+            {
+                // This is the one and only block, just use a block blob
+                using (var fileStream = new FileStream(file, FileMode.Open, FileAccess.Read, FileShare.Read, 4096, true))
+                {
+                    await UploadBlockFileAsync(sasUrl, blobStorageType, fileStream, cancellationToken, customHeaders);
+                }
+            }
+            else
+            {
+                // This is either not the first block, which means it's using appendBlob; or first block and need to wait for additional blocks.  Using append blob in either case. 
+                // Create the Append blob
+                if (firstBlock)
+                {
+                    await CreateAppendFileAsync(sasUrl, blobStorageType, cancellationToken, customHeaders);
+                }
+
+                // Upload content
+                var fileSize = new FileInfo(file).Length;
+                using (var fileStream = new FileStream(file, FileMode.Open, FileAccess.Read, FileShare.Read, 4096, true))
+                {
+                    await UploadAppendFileAsync(sasUrl, blobStorageType, fileStream, finalize, fileSize, cancellationToken);
+                }
+            }
+        }
+
         // Handle file upload for step log
         public async Task UploadResultsStepLogAsync(string planId, string jobId, Guid stepId, string file, bool finalize, bool firstBlock, long lineCount, CancellationToken cancellationToken)
         {
@@ -268,18 +459,12 @@ namespace GitHub.Services.Results.Client
                 throw new Exception("Failed to get step log upload url");
             }
 
-            // Create the Append blob
+            var customHeaders = new Dictionary<string, string>
-            if (firstBlock)
             {
-                await CreateAppendFileAsync(uploadUrlResponse.LogsUrl, uploadUrlResponse.BlobStorageType, cancellationToken);
+                { Constants.ContentTypeHeader, Constants.TextPlainContentType }
-            }
+            };
 
-            // Upload content
+            await UploadLogFile(file, finalize, firstBlock, uploadUrlResponse.LogsUrl, uploadUrlResponse.BlobStorageType, cancellationToken, customHeaders);
-            var fileSize = new FileInfo(file).Length;
-            using (var fileStream = new FileStream(file, FileMode.Open, FileAccess.Read, FileShare.Read, 4096, true))
-            {
-                var response = await UploadAppendFileAsync(uploadUrlResponse.LogsUrl, uploadUrlResponse.BlobStorageType, fileStream, finalize, fileSize, cancellationToken);
-            }
 
             // Update metadata
             if (finalize)
@@ -299,18 +484,12 @@ namespace GitHub.Services.Results.Client
                 throw new Exception("Failed to get job log upload url");
             }
 
-            // Create the Append blob
+            var customHeaders = new Dictionary<string, string>
-            if (firstBlock)
             {
-                await CreateAppendFileAsync(uploadUrlResponse.LogsUrl, uploadUrlResponse.BlobStorageType, cancellationToken);
+                { Constants.ContentTypeHeader, Constants.TextPlainContentType }
-            }
+            };
 
-            // Upload content
+            await UploadLogFile(file, finalize, firstBlock, uploadUrlResponse.LogsUrl, uploadUrlResponse.BlobStorageType, cancellationToken, customHeaders);
-            var fileSize = new FileInfo(file).Length;
-            using (var fileStream = new FileStream(file, FileMode.Open, FileAccess.Read, FileShare.Read, 4096, true))
-            {
-                var response = await UploadAppendFileAsync(uploadUrlResponse.LogsUrl, uploadUrlResponse.BlobStorageType, fileStream, finalize, fileSize, cancellationToken);
-            }
 
             // Update metadata
             if (finalize)
@@ -320,6 +499,18 @@ namespace GitHub.Services.Results.Client
             }
         }
 
+        public async Task UploadResultsDiagnosticLogsAsync(string planId, string jobId, string file, CancellationToken cancellationToken)
+        {
+            // Get the upload url
+            var uploadUrlResponse = await GetDiagnosticLogsUploadUrlAsync(planId, jobId, cancellationToken);
+            if (uploadUrlResponse == null || uploadUrlResponse.DiagLogsURL == null)
+            {
+                throw new Exception("Failed to get diagnostic logs upload url");
+            }
+
+            await UploadLogFile(file, true, true, uploadUrlResponse.DiagLogsURL, uploadUrlResponse.BlobStorageType, cancellationToken);
+        }
+
         private Step ConvertTimelineRecordToStep(TimelineRecord r)
         {
             return new Step()
@@ -395,6 +586,7 @@ namespace GitHub.Services.Results.Client
         private Uri m_resultsServiceUrl;
         private string m_token;
         private int m_changeIdCounter;
+        private bool m_useSdk;
     }
 
     // Constants specific to results
@@ -409,13 +601,20 @@ namespace GitHub.Services.Results.Client
         public static readonly string CreateStepLogsMetadata = ResultsReceiverTwirpEndpoint + "CreateStepLogsMetadata";
         public static readonly string GetJobLogsSignedBlobURL = ResultsReceiverTwirpEndpoint + "GetJobLogsSignedBlobURL";
         public static readonly string CreateJobLogsMetadata = ResultsReceiverTwirpEndpoint + "CreateJobLogsMetadata";
+        public static readonly string GetJobDiagLogsSignedBlobURL = ResultsReceiverTwirpEndpoint + "GetJobDiagLogsSignedBlobURL";
         public static readonly string ResultsProtoApiV1Endpoint = "twirp/github.actions.results.api.v1.WorkflowStepUpdateService/";
         public static readonly string WorkflowStepsUpdate = ResultsProtoApiV1Endpoint + "WorkflowStepsUpdate";
 
+        public static readonly int DefaultNetworkTimeoutInSeconds = 30;
+        public static readonly int DefaultBlobUploadRetries = 3;
+
         public static readonly string AzureBlobSealedHeader = "x-ms-blob-sealed";
         public static readonly string AzureBlobTypeHeader = "x-ms-blob-type";
         public static readonly string AzureBlockBlob = "BlockBlob";
         public static readonly string AzureAppendBlob = "AppendBlob";
+
+        public const string ContentTypeHeader = "Content-Type";
+        public const string TextPlainContentType = "text/plain";
     }
 
 }

src/Test/L0/CommandLineParserL0.cs

@@ -68,7 +68,7 @@ namespace GitHub.Runner.Common.Tests
                 trace.Info("Parsed");
 
                 trace.Info("Commands: {0}", clp.Commands.Count);
-                Assert.True(clp.Commands.Count == 2);
+                Assert.Equal(2, clp.Commands.Count);
             }
         }
 
@@ -88,7 +88,7 @@ namespace GitHub.Runner.Common.Tests
                 trace.Info("Parsed");
 
                 trace.Info("Args: {0}", clp.Args.Count);
-                Assert.True(clp.Args.Count == 2);
+                Assert.Equal(2, clp.Args.Count);
                 Assert.True(clp.Args.ContainsKey("arg1"));
                 Assert.Equal("arg1val", clp.Args["arg1"]);
                 Assert.True(clp.Args.ContainsKey("arg2"));
@@ -112,7 +112,7 @@ namespace GitHub.Runner.Common.Tests
                 trace.Info("Parsed");
 
                 trace.Info("Args: {0}", clp.Flags.Count);
-                Assert.True(clp.Flags.Count == 2);
+                Assert.Equal(2, clp.Flags.Count);
                 Assert.Contains("flag1", clp.Flags);
                 Assert.Contains("flag2", clp.Flags);
             }

src/Test/L0/ConstantGenerationL0.cs

@@ -24,7 +24,7 @@ namespace GitHub.Runner.Common.Tests
                 "osx-arm64"
             };
 
-            Assert.True(BuildConstants.Source.CommitHash.Length == 40, $"CommitHash should be SHA-1 hash {BuildConstants.Source.CommitHash}");
+            Assert.Equal(40, BuildConstants.Source.CommitHash.Length);
             Assert.True(validPackageNames.Contains(BuildConstants.RunnerPackage.PackageName), $"PackageName should be one of the following '{string.Join(", ", validPackageNames)}', current PackageName is '{BuildConstants.RunnerPackage.PackageName}'");
         }
     }

src/Test/L0/Listener/BrokerMessageListenerL0.cs

@@ -0,0 +1,81 @@
+using System;
+using System.Runtime.CompilerServices;
+using System.Threading;
+using System.Threading.Tasks;
+using GitHub.DistributedTask.WebApi;
+using GitHub.Runner.Listener;
+using GitHub.Runner.Listener.Configuration;
+using GitHub.Services.Common;
+using Moq;
+using Xunit;
+
+namespace GitHub.Runner.Common.Tests.Listener
+{
+    public sealed class BrokerMessageListenerL0
+    {
+        private readonly RunnerSettings _settings;
+        private readonly Mock<IConfigurationManager> _config;
+        private readonly Mock<IBrokerServer> _brokerServer;
+        private readonly Mock<ICredentialManager> _credMgr;
+        private Mock<IConfigurationStore> _store;
+
+
+        public BrokerMessageListenerL0()
+        {
+            _settings = new RunnerSettings { AgentId = 1, AgentName = "myagent", PoolId = 123, PoolName = "default", ServerUrl = "http://myserver", WorkFolder = "_work", ServerUrlV2 = "http://myserverv2" };
+            _config = new Mock<IConfigurationManager>();
+            _config.Setup(x => x.LoadSettings()).Returns(_settings);
+            _credMgr = new Mock<ICredentialManager>();
+            _store = new Mock<IConfigurationStore>();
+            _brokerServer = new Mock<IBrokerServer>();
+        }
+
+        [Fact]
+        [Trait("Level", "L0")]
+        [Trait("Category", "Runner")]
+        public async void CreatesSession()
+        {
+            using (TestHostContext tc = CreateTestContext())
+            using (var tokenSource = new CancellationTokenSource())
+            {
+                Tracing trace = tc.GetTrace();
+
+                // Arrange.
+                var expectedSession = new TaskAgentSession();
+                _brokerServer
+                    .Setup(x => x.CreateSessionAsync(
+                        It.Is<TaskAgentSession>(y => y != null),
+                        tokenSource.Token))
+                    .Returns(Task.FromResult(expectedSession));
+
+                _credMgr.Setup(x => x.LoadCredentials()).Returns(new VssCredentials());
+                _store.Setup(x => x.GetCredentials()).Returns(new CredentialData() { Scheme = Constants.Configuration.OAuthAccessToken });
+                _store.Setup(x => x.GetMigratedCredentials()).Returns(default(CredentialData));
+
+                // Act.
+                BrokerMessageListener listener = new();
+                listener.Initialize(tc);
+
+                CreateSessionResult result = await listener.CreateSessionAsync(tokenSource.Token);
+                trace.Info("result: {0}", result);
+
+                // Assert.
+                Assert.Equal(CreateSessionResult.Success, result);
+                _brokerServer
+                   .Verify(x => x.CreateSessionAsync(
+                       It.Is<TaskAgentSession>(y => y != null),
+                       tokenSource.Token), Times.Once());
+            }
+        }
+
+        private TestHostContext CreateTestContext([CallerMemberName] String testName = "")
+        {
+            TestHostContext tc = new(this, testName);
+            tc.SetSingleton<IConfigurationManager>(_config.Object);
+            tc.SetSingleton<ICredentialManager>(_credMgr.Object);
+            tc.SetSingleton<IConfigurationStore>(_store.Object);
+            tc.SetSingleton<IBrokerServer>(_brokerServer.Object);
+            return tc;
+        }
+    }
+}