Release 2.278.0 runner

Bump version (#1048 )
do not trucate error message from template evaluation (#1038 )
2025-12-10 12:36:23 +00:00 · 2021-04-16 11:53:14 -04:00 · 2021-04-16 15:45:55 +00:00 · 2021-04-06 16:45:40 -04:00 · 2021-04-01 16:54:23 -04:00 · 2021-03-26 12:26:24 -04:00
59 changed files with 954 additions and 435 deletions
--- a/.github/workflows/release.yml
+++ b/.github/workflows/release.yml
@@ -45,6 +45,12 @@ jobs:
  
  build:
    needs: check
+    outputs:
+      linux-x64-sha: ${{ steps.sha.outputs.linux-x64-sha256 }}
+      linux-arm64-sha: ${{ steps.sha.outputs.linux-arm64-sha256 }}
+      linux-arm-sha: ${{ steps.sha.outputs.linux-arm-sha256 }}
+      win-x64-sha: ${{ steps.sha.outputs.win-x64-sha256 }}
+      osx-x64-sha: ${{ steps.sha.outputs.osx-x64-sha256 }}
    strategy:
      matrix:
        runtime: [ linux-x64, linux-arm64, linux-arm, win-x64, osx-x64 ]
@@ -101,7 +107,19 @@ jobs:
      with:
        name: runner-packages
        path: _package
-
+    # compute shas and set as job outputs to use in release notes
+    - run: brew install coreutils #needed for shasum util
+      if: ${{ matrix.os == 'macOS-latest' }}
+      name: Install Dependencies for SHA Calculation (osx)
+    - run: |
+        file=$(ls)
+        sha=$(sha256sum $file | awk '{ print $1 }')
+        echo "Computed sha256: $sha for $file"
+        echo "::set-output name=${{matrix.runtime}}-sha256::$sha"
+      shell: bash
+      id: sha
+      name: Compute SHA256
+      working-directory: _package
  release:
    needs: build
    runs-on: ubuntu-latest
@@ -126,11 +144,15 @@ jobs:
          const core = require('@actions/core')
          const fs = require('fs');
          const runnerVersion = fs.readFileSync('${{ github.workspace }}/src/runnerversion', 'utf8').replace(/\n$/g, '')
-          const releaseNote = fs.readFileSync('${{ github.workspace }}/releaseNote.md', 'utf8').replace(/<RUNNER_VERSION>/g, runnerVersion)
+          var releaseNote = fs.readFileSync('${{ github.workspace }}/releaseNote.md', 'utf8').replace(/<RUNNER_VERSION>/g, runnerVersion)
+          releaseNote = releaseNote.replace(/<WIN_X64_SHA>/g, '${{needs.build.outputs.win-x64-sha}}')
+          releaseNote = releaseNote.replace(/<OSX_X64_SHA>/g, '${{needs.build.outputs.osx-x64-sha}}')
+          releaseNote = releaseNote.replace(/<LINUX_X64_SHA>/g, '${{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}}')
          console.log(releaseNote)
          core.setOutput('version', runnerVersion);
-          core.setOutput('note', releaseNote);
-        
+          core.setOutput('note', releaseNote);  
    # Create GitHub release
    - uses: actions/create-release@master
      id: createRelease
@@ -193,4 +215,4 @@ jobs:
        upload_url: ${{ steps.createRelease.outputs.upload_url }}
        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
+        asset_content_type: application/octet-stream
--- a/.gitignore
+++ b/.gitignore
@@ -22,7 +22,4 @@ _dotnetsdk
 TestResults
 TestLogs
 .DS_Store
-**/*.DotSettings.user
-
-#generated
-src/Runner.Sdk/BuildConstants.cs
+**/*.DotSettings.user
--- a/docs/adrs/0297-base64-masking-trailing-characters.md
+++ b/docs/adrs/0297-base64-masking-trailing-characters.md
@@ -15,7 +15,7 @@ This gives us good coverage across the board for secrets and secrets with a pref

 However, we don't have great coverage for cases where the secret has a string appended to it before it is base64 encoded (i.e.: `base64($pass\n))`). 

-Most notably we've seen this as a result of user error where a user accidentially appends a newline or space character before encoding their secret in base64.
+Most notably we've seen this as a result of user error where a user accidentally appends a newline or space character before encoding their secret in base64.

 ## Decision

@@ -45,4 +45,4 @@ This will result in us only revealing length or bit information when a prefix or

 - In the case where a secret has a prefix or suffix added before base64 encoding, we may now reveal up to 20 bits of information and the length of the original string modulo 3, rather then the original 16 bits and no length information
 - Secrets with a suffix appended before encoding will now be masked across the board. Previously it was only masked if it was a multiple of 3 characters
- Performance will suffer in a neglible way
+- Performance will suffer in a negligible way
--- a/docs/checks/actions.md
+++ b/docs/checks/actions.md
@@ -27,6 +27,7 @@ Make sure the runner has access to actions service for GitHub.com or GitHub Ente
 - DNS lookup for pipelines.actions.githubusercontent.com using dotnet
 - 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` 

 ## How to fix the issue?

--- a/docs/checks/git.md
+++ b/docs/checks/git.md
@@ -22,7 +22,7 @@ The test also set environment variable `GIT_TRACE=1` and `GIT_CURL_VERBOSE=1` be

 ### 1. Check the common network issue
  
-    > Please check the [network doc](./network.md)
+  > Please check the [network doc](./network.md)

 ### 2. SSL certificate related issue

--- a/docs/checks/network.md
+++ b/docs/checks/network.md
@@ -10,6 +10,8 @@

 - Proxy try to decrypt and exam HTTPS traffic for security purpose but cause the actions-runner to fail to finish SSL handshake due to the lack of trusting proxy's CA.

+- Proxy try to modify the HTTPS request (like add or change some http headers) and causes the request become incompatible with the Actions Service (ASP.NetCore), Ex: [Nginx](https://github.com/dotnet/aspnetcore/issues/17081)
+
 - Firewall rules that block action runner from accessing certain hosts, ex: `*.github.com`, `*.actions.githubusercontent.com`, etc.


@@ -21,6 +23,7 @@ Use a 3rd party tool to make the same requests as the runner did would be a good

 - Use `nslookup` to check DNS
 - Use `ping` to check Ping
+- Use `traceroute`, `tracepath`, or `tracert` to check the network route between the runner and the Actions service 
 - Use `curl -v` to check the network stack, good for verifying default certificate/proxy settings.
 - Use `Invoke-WebRequest` from `pwsh` (`PowerShell Core`) to check the dotnet network stack, good for verifying bugs in the dotnet framework.

--- a/releaseNote.md
+++ b/releaseNote.md
@@ -1,17 +1,17 @@
 ## Features
-  - Support config runner via GitHub PAT. (#874)
-  - Update runner to .NET 5 (#799)
-  - Add new ANDROID_SDK_ROOT environment variable (#892)
-  - Add warning when running out of disk. (#873)
-  - Always use FIPS Cryptography (#896)
-  - Add `--check` to run a serials network test against GitHub or GHES. (#900)
+
+- Use GITHUB_TOKEN for ghcr.io containers if credentials are not provided (#990)

 ## Bugs
-  - Ignore certain scenarios so they are not counted as infra failures (#889)
+
+- Do not trucate error message from template evaluation (#1038)
+- Make FileShare ReadWrite (#1033)
+- Mask secrets with double-quotes when passed to docker command line (#1002)
+- Delete script files before replacing during update (#984)
+

 ## Misc
-  - Add runner e2e test workflow (#885)
-  - Add on: pull_request trigger to CodeQL workflow (#907)
+

 ## 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.
@@ -73,3 +73,13 @@ 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
+
+The SHA-256 checksums for the packages included in this build are shown below:
+
+- actions-runner-win-x64-<RUNNER_VERSION>.zip <!-- BEGIN SHA win-x64 --><WIN_X64_SHA><!-- END SHA win-x64 -->
+- actions-runner-osx-x64-<RUNNER_VERSION>.tar.gz <!-- BEGIN SHA osx-x64 --><OSX_X64_SHA><!-- END SHA osx-x64 -->
+- 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 -->
--- a/2
+++ b/2
@@ -1 +1 @@
-<Update to ./src/runnerversion when creating release>
+2.278.0
--- a/src/Misc/dotnet-install.ps1
+++ b/src/Misc/dotnet-install.ps1
@@ -23,8 +23,6 @@
    Default: latest
    Represents a build version on specific channel. Possible values:
    - latest - most latest build on specific channel
-    - coherent - most latest coherent build on specific channel
-          coherent applies only to SDK downloads
    - 3-part version in a format A.B.C - represents specific version of build
          examples: 2.0.0-preview2-006120, 1.1.0
 .PARAMETER InstallDir
@@ -122,24 +120,42 @@ $VersionRegEx="/\d+\.\d+[^/]+/"
 $OverrideNonVersionedFiles = !$SkipNonVersionedFiles

 function Say($str) {
-    try
-    {
+    try {
        Write-Host "dotnet-install: $str"
    }
-    catch
-    {
+    catch {
        # Some platforms cannot utilize Write-Host (Azure Functions, for instance). Fall back to Write-Output
        Write-Output "dotnet-install: $str"
    }
 }

+function Say-Warning($str) {
+    try {
+        Write-Warning "dotnet-install: $str"
+    }
+    catch {
+        # Some platforms cannot utilize Write-Warning (Azure Functions, for instance). Fall back to Write-Output
+        Write-Output "dotnet-install: Warning: $str"
+    }
+}
+
+# Writes a line with error style settings.
+# Use this function to show a human-readable comment along with an exception.
+function Say-Error($str) {
+    try {
+        # Write-Error is quite oververbose for the purpose of the function, let's write one line with error style settings.
+        $Host.UI.WriteErrorLine("dotnet-install: $str")
+    }
+    catch {
+        Write-Output "dotnet-install: Error: $str"
+    }
+}
+
 function Say-Verbose($str) {
-    try
-    {
+    try {
        Write-Verbose "dotnet-install: $str"
    }
-    catch
-    {
+    catch {
        # Some platforms cannot utilize Write-Verbose (Azure Functions, for instance). Fall back to Write-Output
        Write-Output "dotnet-install: $str"
    }
@@ -156,7 +172,7 @@ function Invoke-With-Retry([ScriptBlock]$ScriptBlock, [int]$MaxAttempts = 3, [in

    while ($true) {
        try {
-            return $ScriptBlock.Invoke()
+            return & $ScriptBlock
        }
        catch {
            $Attempts++
@@ -270,18 +286,41 @@ function GetHTTPResponse([Uri] $Uri)
            # Default timeout for HttpClient is 100s.  For a 50 MB download this assumes 500 KB/s average, any less will time out
            # 20 minutes allows it to work over much slower connections.
            $HttpClient.Timeout = New-TimeSpan -Minutes 20
-            $Response = $HttpClient.GetAsync("${Uri}${FeedCredential}").Result
-            if (($Response -eq $null) -or (-not ($Response.IsSuccessStatusCode))) {
-                 # The feed credential is potentially sensitive info. Do not log FeedCredential to console output.
-                $ErrorMsg = "Failed to download $Uri."
-                if ($Response -ne $null) {
-                    $ErrorMsg += "  $Response"
+            $Task = $HttpClient.GetAsync("${Uri}${FeedCredential}").ConfigureAwait("false");
+            $Response = $Task.GetAwaiter().GetResult();
+
+            if (($null -eq $Response) -or (-not ($Response.IsSuccessStatusCode))) {
+                # The feed credential is potentially sensitive info. Do not log FeedCredential to console output.
+                $DownloadException = [System.Exception] "Unable to download $Uri."
+
+                if ($null -ne $Response) {
+                    $DownloadException.Data["StatusCode"] = [int] $Response.StatusCode
+                    $DownloadException.Data["ErrorMessage"] = "Unable to download $Uri. Returned HTTP status code: " + $DownloadException.Data["StatusCode"]
                }

-                throw $ErrorMsg
+                throw $DownloadException
            }

-             return $Response
+            return $Response
+        }
+        catch [System.Net.Http.HttpRequestException] {
+            $DownloadException = [System.Exception] "Unable to download $Uri."
+
+            # Pick up the exception message and inner exceptions' messages if they exist
+            $CurrentException = $PSItem.Exception
+            $ErrorMsg = $CurrentException.Message + "`r`n"
+            while ($CurrentException.InnerException) {
+              $CurrentException = $CurrentException.InnerException
+              $ErrorMsg += $CurrentException.Message + "`r`n"
+            }
+
+            # Check if there is an issue concerning TLS.
+            if ($ErrorMsg -like "*SSL/TLS*") {
+                $ErrorMsg += "Ensure that TLS 1.2 or higher is enabled to use this script.`r`n"
+            }
+
+            $DownloadException.Data["ErrorMessage"] = $ErrorMsg
+            throw $DownloadException
        }
        finally {
             if ($HttpClient -ne $null) {
@@ -291,7 +330,7 @@ function GetHTTPResponse([Uri] $Uri)
    })
 }

-function Get-Latest-Version-Info([string]$AzureFeed, [string]$Channel, [bool]$Coherent) {
+function Get-Latest-Version-Info([string]$AzureFeed, [string]$Channel) {
    Say-Invocation $MyInvocation

    $VersionFileUrl = $null
@@ -301,17 +340,11 @@ function Get-Latest-Version-Info([string]$AzureFeed, [string]$Channel, [bool]$Co
    elseif ($Runtime -eq "aspnetcore") {
        $VersionFileUrl = "$UncachedFeed/aspnetcore/Runtime/$Channel/latest.version"
    }
-    # Currently, the WindowsDesktop runtime is manufactured with the .Net core runtime
    elseif ($Runtime -eq "windowsdesktop") {
-        $VersionFileUrl = "$UncachedFeed/Runtime/$Channel/latest.version"
+        $VersionFileUrl = "$UncachedFeed/WindowsDesktop/$Channel/latest.version"
    }
    elseif (-not $Runtime) {
-        if ($Coherent) {
-            $VersionFileUrl = "$UncachedFeed/Sdk/$Channel/latest.coherent.version"
-        }
-        else {
-            $VersionFileUrl = "$UncachedFeed/Sdk/$Channel/latest.version"
-        }
+        $VersionFileUrl = "$UncachedFeed/Sdk/$Channel/latest.version"
    }
    else {
        throw "Invalid value for `$Runtime"
@@ -320,7 +353,8 @@ function Get-Latest-Version-Info([string]$AzureFeed, [string]$Channel, [bool]$Co
        $Response = GetHTTPResponse -Uri $VersionFileUrl
    }
    catch {
-        throw "Could not resolve version information."
+        Say-Error "Could not resolve version information."
+        throw
    }
    $StringContent = $Response.Content.ReadAsStringAsync().Result

@@ -346,7 +380,8 @@ function Parse-Jsonfile-For-Version([string]$JSonFile) {
        $JSonContent = Get-Content($JSonFile) -Raw | ConvertFrom-Json | Select-Object -expand "sdk" -ErrorAction SilentlyContinue
    }
    catch {
-        throw "Json file unreadable: '$JSonFile'"
+        Say-Error "Json file unreadable: '$JSonFile'"
+        throw
    }
    if ($JSonContent) {
        try {
@@ -359,7 +394,8 @@ function Parse-Jsonfile-For-Version([string]$JSonFile) {
            }
        }
        catch {
-            throw "Unable to parse the SDK node in '$JSonFile'"
+            Say-Error "Unable to parse the SDK node in '$JSonFile'"
+            throw
        }
    }
    else {
@@ -375,16 +411,12 @@ function Get-Specific-Version-From-Version([string]$AzureFeed, [string]$Channel,
    Say-Invocation $MyInvocation

    if (-not $JSonFile) {
-        switch ($Version.ToLower()) {
-            { $_ -eq "latest" } {
-                $LatestVersionInfo = Get-Latest-Version-Info -AzureFeed $AzureFeed -Channel $Channel -Coherent $False
-                return $LatestVersionInfo.Version
-            }
-            { $_ -eq "coherent" } {
-                $LatestVersionInfo = Get-Latest-Version-Info -AzureFeed $AzureFeed -Channel $Channel -Coherent $True
-                return $LatestVersionInfo.Version
-            }
-            default { return $Version }
+        if ($Version.ToLower() -eq "latest") {
+            $LatestVersionInfo = Get-Latest-Version-Info -AzureFeed $AzureFeed -Channel $Channel
+            return $LatestVersionInfo.Version
+        }
+        else {
+            return $Version 
        }
    }
    else {
@@ -405,7 +437,16 @@ function Get-Download-Link([string]$AzureFeed, [string]$SpecificVersion, [string
        $PayloadURL = "$AzureFeed/aspnetcore/Runtime/$SpecificVersion/aspnetcore-runtime-$SpecificProductVersion-win-$CLIArchitecture.zip"
    }
    elseif ($Runtime -eq "windowsdesktop") {
+        # The windows desktop runtime is part of the core runtime layout prior to 5.0
        $PayloadURL = "$AzureFeed/Runtime/$SpecificVersion/windowsdesktop-runtime-$SpecificProductVersion-win-$CLIArchitecture.zip"
+        if ($SpecificVersion -match '^(\d+)\.(.*)$')
+        {
+            $majorVersion = [int]$Matches[1]
+            if ($majorVersion -ge 5)
+            {
+                $PayloadURL = "$AzureFeed/WindowsDesktop/$SpecificVersion/windowsdesktop-runtime-$SpecificProductVersion-win-$CLIArchitecture.zip"
+            }
+        }
    }
    elseif (-not $Runtime) {
        $PayloadURL = "$AzureFeed/Sdk/$SpecificVersion/dotnet-sdk-$SpecificProductVersion-win-$CLIArchitecture.zip"
@@ -447,7 +488,16 @@ function Get-Product-Version([string]$AzureFeed, [string]$SpecificVersion) {
        $ProductVersionTxtURL = "$AzureFeed/aspnetcore/Runtime/$SpecificVersion/productVersion.txt"
    }
    elseif ($Runtime -eq "windowsdesktop") {
+        # The windows desktop runtime is part of the core runtime layout prior to 5.0
        $ProductVersionTxtURL = "$AzureFeed/Runtime/$SpecificVersion/productVersion.txt"
+        if ($SpecificVersion -match '^(\d+)\.(.*)')
+        {
+            $majorVersion = [int]$Matches[1]
+            if ($majorVersion -ge 5)
+            {
+                $ProductVersionTxtURL = "$AzureFeed/WindowsDesktop/$SpecificVersion/productVersion.txt"
+            }
+        }
    }
    elseif (-not $Runtime) {
        $ProductVersionTxtURL = "$AzureFeed/Sdk/$SpecificVersion/productVersion.txt"
@@ -619,6 +669,23 @@ function DownloadFile($Source, [string]$OutPath) {
    }
 }

+function SafeRemoveFile($Path) {
+    try {
+        if (Test-Path $Path) {
+            Remove-Item $Path
+            Say-Verbose "The temporary file `"$Path`" was removed."
+        }
+        else
+        {
+            Say-Verbose "The temporary file `"$Path`" does not exist, therefore is not removed."
+        }
+    }
+    catch
+    {
+        Say-Warning "Failed to remove the temporary file: `"$Path`", remove it manually."
+    }
+}
+
 function Prepend-Sdk-InstallRoot-To-Path([string]$InstallRoot, [string]$BinFolderRelativePath) {
    $BinPath = Get-Absolute-Path $(Join-Path -Path $InstallRoot -ChildPath $BinFolderRelativePath)
    if (-Not $NoPath) {
@@ -673,7 +740,7 @@ if ($DryRun) {
        Say "NOTE: Due to finding a version manifest with this runtime, it would actually install with version '$EffectiveVersion'"
    }

-    exit 0
+    return
 }

 if ($Runtime -eq "dotnet") {
@@ -707,7 +774,7 @@ $isAssetInstalled = Is-Dotnet-Package-Installed -InstallRoot $InstallRoot -Relat
 if ($isAssetInstalled) {
    Say "$assetName version $SpecificVersion is already installed."
    Prepend-Sdk-InstallRoot-To-Path -InstallRoot $InstallRoot -BinFolderRelativePath $BinFolderRelativePath
-    exit 0
+    return
 }

 New-Item -ItemType Directory -Force -Path $InstallRoot | Out-Null
@@ -715,30 +782,69 @@ New-Item -ItemType Directory -Force -Path $InstallRoot | Out-Null
 $installDrive = $((Get-Item $InstallRoot).PSDrive.Name);
 $diskInfo = Get-PSDrive -Name $installDrive
 if ($diskInfo.Free / 1MB -le 100) {
-    Say "There is not enough disk space on drive ${installDrive}:"
-    exit 0
+    throw "There is not enough disk space on drive ${installDrive}:"
 }

 $ZipPath = [System.IO.Path]::combine([System.IO.Path]::GetTempPath(), [System.IO.Path]::GetRandomFileName())
 Say-Verbose "Zip path: $ZipPath"

 $DownloadFailed = $false
-Say "Downloading link: $DownloadLink"
+
+$PrimaryDownloadStatusCode = 0
+$LegacyDownloadStatusCode = 0
+
+$PrimaryDownloadFailedMsg = ""
+$LegacyDownloadFailedMsg = ""
+
+Say "Downloading primary link $DownloadLink"
 try {
    DownloadFile -Source $DownloadLink -OutPath $ZipPath
 }
 catch {
-    Say "Cannot download: $DownloadLink"
+    if ($PSItem.Exception.Data.Contains("StatusCode")) {
+        $PrimaryDownloadStatusCode = $PSItem.Exception.Data["StatusCode"]
+    }
+
+    if ($PSItem.Exception.Data.Contains("ErrorMessage")) {
+        $PrimaryDownloadFailedMsg = $PSItem.Exception.Data["ErrorMessage"]
+    } else {
+        $PrimaryDownloadFailedMsg = $PSItem.Exception.Message
+    }
+
+    if ($PrimaryDownloadStatusCode -eq 404) {
+        Say "The resource at $DownloadLink is not available."
+    } else {
+        Say $PSItem.Exception.Message
+    }
+
+    SafeRemoveFile -Path $ZipPath
+
    if ($LegacyDownloadLink) {
        $DownloadLink = $LegacyDownloadLink
        $ZipPath = [System.IO.Path]::combine([System.IO.Path]::GetTempPath(), [System.IO.Path]::GetRandomFileName())
        Say-Verbose "Legacy zip path: $ZipPath"
-        Say "Downloading legacy link: $DownloadLink"
+        Say "Downloading legacy link $DownloadLink"
        try {
            DownloadFile -Source $DownloadLink -OutPath $ZipPath
        }
        catch {
-            Say "Cannot download: $DownloadLink"
+            if ($PSItem.Exception.Data.Contains("StatusCode")) {
+                $LegacyDownloadStatusCode = $PSItem.Exception.Data["StatusCode"]
+            }
+
+            if ($PSItem.Exception.Data.Contains("ErrorMessage")) {
+                $LegacyDownloadFailedMsg = $PSItem.Exception.Data["ErrorMessage"]
+            } else {
+                $LegacyDownloadFailedMsg = $PSItem.Exception.Message
+            }
+
+            if ($LegacyDownloadStatusCode -eq 404) {
+                Say "The resource at $DownloadLink is not available."
+            } else {
+                Say $PSItem.Exception.Message
+            }
+
+            SafeRemoveFile -Path $ZipPath
            $DownloadFailed = $true
        }
    }
@@ -748,7 +854,19 @@ catch {
 }

 if ($DownloadFailed) {
-    throw "Could not find/download: `"$assetName`" with version = $SpecificVersion`nRefer to: https://aka.ms/dotnet-os-lifecycle for information on .NET Core support"
+    if (($PrimaryDownloadStatusCode -eq 404) -and ((-not $LegacyDownloadLink) -or ($LegacyDownloadStatusCode -eq 404))) {
+        throw "Could not find `"$assetName`" with version = $SpecificVersion`nRefer to: https://aka.ms/dotnet-os-lifecycle for information on .NET Core support"
+    } else {
+        # 404-NotFound is an expected response if it goes from only one of the links, do not show that error.
+        # If primary path is available (not 404-NotFound) then show the primary error else show the legacy error.
+        if ($PrimaryDownloadStatusCode -ne 404) {
+            throw "Could not download `"$assetName`" with version = $SpecificVersion`r`n$PrimaryDownloadFailedMsg"
+        }
+        if (($LegacyDownloadLink) -and ($LegacyDownloadStatusCode -ne 404)) {
+            throw "Could not download `"$assetName`" with version = $SpecificVersion`r`n$LegacyDownloadFailedMsg"
+        }
+        throw "Could not download `"$assetName`" with version = $SpecificVersion"
+    }
 }

 Say "Extracting zip from $DownloadLink"
@@ -770,207 +888,208 @@ if (!$isAssetInstalled) {
    $isAssetInstalled = Is-Dotnet-Package-Installed -InstallRoot $InstallRoot -RelativePathToPackage $dotnetPackageRelativePath -SpecificVersion $SpecificVersion
 }

+# Version verification failed. More likely something is wrong either with the downloaded content or with the verification algorithm.
 if (!$isAssetInstalled) {
+    Say-Error "Failed to verify the version of installed `"$assetName`".`nInstallation source: $DownloadLink.`nInstallation location: $InstallRoot.`nReport the bug at https://github.com/dotnet/install-scripts/issues."
    throw "`"$assetName`" with version = $SpecificVersion failed to install with an unknown error."
 }

-Remove-Item $ZipPath
+SafeRemoveFile -Path $ZipPath

 Prepend-Sdk-InstallRoot-To-Path -InstallRoot $InstallRoot -BinFolderRelativePath $BinFolderRelativePath

 Say "Note that the script does not resolve dependencies during installation."
 Say "To check the list of dependencies, go to https://docs.microsoft.com/dotnet/core/install/windows#dependencies"
 Say "Installation finished"
-exit 0
 # SIG # Begin signature block
-# MIIjlgYJKoZIhvcNAQcCoIIjhzCCI4MCAQExDzANBglghkgBZQMEAgEFADB5Bgor
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+# ARdwT8jigpsm+mj7lrVU9upDkhVYhKeO8oiZq95Q53Zkteo=
 # SIG # End signature block
--- a/src/Misc/dotnet-install.sh
+++ b/src/Misc/dotnet-install.sh
@@ -40,7 +40,7 @@ if [ -t 1 ] && command -v tput > /dev/null; then
 fi

 say_warning() {
-    printf "%b\n" "${yellow:-}dotnet_install: Warning: $1${normal:-}"
+    printf "%b\n" "${yellow:-}dotnet_install: Warning: $1${normal:-}" >&3
 }

 say_err() {
@@ -183,6 +183,9 @@ get_current_os_name() {
        elif is_musl_based_distro; then
            echo "linux-musl"
            return 0
+        elif [ "$linux_platform_name" = "linux-musl" ]; then
+            echo "linux-musl"
+            return 0
        else
            echo "linux"
            return 0
@@ -296,11 +299,11 @@ get_machine_architecture() {
    if command -v uname > /dev/null; then
        CPUName=$(uname -m)
        case $CPUName in
-        armv7l)
+        armv*l)
            echo "arm"
            return 0
            ;;
-        aarch64)
+        aarch64|arm64)
            echo "arm64"
            return 0
            ;;
@@ -341,6 +344,30 @@ get_normalized_architecture_from_architecture() {
    return 1
 }

+# args:
+# user_defined_os - $1
+get_normalized_os() {
+    eval $invocation
+
+    local osname="$(to_lowercase "$1")"
+    if [ ! -z "$osname" ]; then
+        case "$osname" in
+            osx | freebsd | rhel.6 | linux-musl | linux)
+                echo "$osname"
+                return 0
+                ;;
+            *)
+                say_err "'$user_defined_os' is not a supported value for --os option, supported values are: osx, linux, linux-musl, freebsd, rhel.6. If you think this is a bug, report it at https://github.com/dotnet/install-scripts/issues."
+                return 1
+                ;;
+        esac
+    else
+        osname="$(get_current_os_name)" || return 1
+    fi
+    echo "$osname"
+    return 0
+}
+
 # The version text returned from the feeds is a 1-line or 2-line string:
 # For the SDK and the dotnet runtime (2 lines):
 # Line 1: # commit_hash
@@ -382,14 +409,12 @@ is_dotnet_package_installed() {
 # azure_feed - $1
 # channel - $2
 # normalized_architecture - $3
-# coherent - $4
 get_latest_version_info() {
    eval $invocation

    local azure_feed="$1"
    local channel="$2"
    local normalized_architecture="$3"
-    local coherent="$4"

    local version_file_url=null
    if [[ "$runtime" == "dotnet" ]]; then
@@ -397,11 +422,7 @@ get_latest_version_info() {
    elif [[ "$runtime" == "aspnetcore" ]]; then
        version_file_url="$uncached_feed/aspnetcore/Runtime/$channel/latest.version"
    elif [ -z "$runtime" ]; then
-        if [ "$coherent" = true ]; then
-            version_file_url="$uncached_feed/Sdk/$channel/latest.coherent.version"
-        else
-            version_file_url="$uncached_feed/Sdk/$channel/latest.version"
-        fi
+         version_file_url="$uncached_feed/Sdk/$channel/latest.version"
    else
        say_err "Invalid value for \$runtime"
        return 1
@@ -468,26 +489,16 @@ get_specific_version_from_version() {
    local json_file="$5"

    if [ -z "$json_file" ]; then
-        case "$version" in
-            latest)
-                local version_info
-                version_info="$(get_latest_version_info "$azure_feed" "$channel" "$normalized_architecture" false)" || return 1
-                say_verbose "get_specific_version_from_version: version_info=$version_info"
-                echo "$version_info" | get_version_from_version_info
-                return 0
-                ;;
-            coherent)
-                local version_info
-                version_info="$(get_latest_version_info "$azure_feed" "$channel" "$normalized_architecture" true)" || return 1
-                say_verbose "get_specific_version_from_version: version_info=$version_info"
-                echo "$version_info" | get_version_from_version_info
-                return 0
-                ;;
-            *)
-                echo "$version"
-                return 0
-                ;;
-        esac
+        if [[ "$version" == "latest" ]]; then
+            local version_info
+            version_info="$(get_latest_version_info "$azure_feed" "$channel" "$normalized_architecture" false)" || return 1
+            say_verbose "get_specific_version_from_version: version_info=$version_info"
+            echo "$version_info" | get_version_from_version_info
+            return 0
+        else
+            echo "$version"
+            return 0
+        fi
    else
        local version_info
        version_info="$(parse_jsonfile_for_version "$json_file")" || return 1
@@ -501,6 +512,7 @@ get_specific_version_from_version() {
 # channel - $2
 # normalized_architecture - $3
 # specific_version - $4
+# normalized_os - $5
 construct_download_link() {
    eval $invocation

@@ -509,9 +521,7 @@ construct_download_link() {
    local normalized_architecture="$3"
    local specific_version="${4//[$'\t\r\n']}"
    local specific_product_version="$(get_specific_product_version "$1" "$4")"
-
-    local osname
-    osname="$(get_current_os_name)" || return 1
+    local osname="$5"

    local download_link=null
    if [[ "$runtime" == "dotnet" ]]; then
@@ -532,7 +542,7 @@ construct_download_link() {
 # azure_feed - $1
 # specific_version - $2
 get_specific_product_version() {
-    # If we find a 'productVersion.txt' at the root of any folder, we'll use its contents 
+    # If we find a 'productVersion.txt' at the root of any folder, we'll use its contents
    # to resolve the version of what's in the folder, superseding the specified version.
    eval $invocation

@@ -692,11 +702,31 @@ extract_dotnet_package() {
    find "$temp_out_path" -type f | grep -Ev "$folders_with_version_regex" | copy_files_or_dirs_from_list "$temp_out_path" "$out_path" "$override_non_versioned_files"

    rm -rf "$temp_out_path"
+    rm -f "$zip_path" && say_verbose "Temporary zip file $zip_path was removed"

    if [ "$failed" = true ]; then
        say_err "Extraction failed"
        return 1
    fi
+    return 0
+}
+
+get_http_header_curl() {
+    eval $invocation
+    local remote_path="$1"
+    remote_path_with_credential="${remote_path}${feed_credential}"
+    curl_options="-I -sSL --retry 5 --retry-delay 2 --connect-timeout 15 "
+    curl $curl_options "$remote_path_with_credential" || return 1
+    return 0
+}
+
+get_http_header_wget() {
+    eval $invocation
+    local remote_path="$1"
+    remote_path_with_credential="${remote_path}${feed_credential}"
+    wget_options="-q -S --spider --tries 5 --waitretry 2 --connect-timeout 15 "
+    wget $wget_options "$remote_path_with_credential" 2>&1 || return 1
+    return 0
 }

 # args:
@@ -714,13 +744,30 @@ download() {
    fi

    local failed=false
-    if machine_has "curl"; then
-        downloadcurl "$remote_path" "$out_path" || failed=true
-    elif machine_has "wget"; then
-        downloadwget "$remote_path" "$out_path" || failed=true
-    else
-        failed=true
-    fi
+    local attempts=0
+    while [ $attempts -lt 3 ]; do
+        attempts=$((attempts+1))
+        failed=false
+        if machine_has "curl"; then
+            downloadcurl "$remote_path" "$out_path" || failed=true
+        elif machine_has "wget"; then
+            downloadwget "$remote_path" "$out_path" || failed=true
+        else
+            say_err "Missing dependency: neither curl nor wget was found."
+            exit 1
+        fi
+
+        if [ "$failed" = false ] || [ $attempts -ge 3 ] || { [ ! -z $http_code ] && [ $http_code = "404" ]; }; then
+            break
+        fi
+
+        say "Download attempt #$attempts has failed: $http_code $download_error_msg"
+        say "Attempt #$((attempts+1)) will start in $((attempts*10)) seconds."
+        sleep $((attempts*20))
+    done
+
+
+
    if [ "$failed" = true ]; then
        say_verbose "Download failed: $remote_path"
        return 1
@@ -728,44 +775,60 @@ download() {
    return 0
 }

+# Updates global variables $http_code and $download_error_msg
 downloadcurl() {
    eval $invocation
+    unset http_code
+    unset download_error_msg
    local remote_path="$1"
    local out_path="${2:-}"
-
    # Append feed_credential as late as possible before calling curl to avoid logging feed_credential
-    remote_path="${remote_path}${feed_credential}"
-
+    local remote_path_with_credential="${remote_path}${feed_credential}"
    local curl_options="--retry 20 --retry-delay 2 --connect-timeout 15 -sSL -f --create-dirs "
    local failed=false
    if [ -z "$out_path" ]; then
-        curl $curl_options "$remote_path" || failed=true
+        curl $curl_options "$remote_path_with_credential" || failed=true
    else
-        curl $curl_options -o "$out_path" "$remote_path" || failed=true
+        curl $curl_options -o "$out_path" "$remote_path_with_credential" || failed=true
    fi
    if [ "$failed" = true ]; then
-        say_verbose "Curl download failed"
+        local response=$(get_http_header_curl $remote_path_with_credential)
+        http_code=$( echo "$response" | awk '/^HTTP/{print $2}' | tail -1 )
+        download_error_msg="Unable to download $remote_path."
+        if  [[ $http_code != 2* ]]; then
+            download_error_msg+=" Returned HTTP status code: $http_code."
+        fi
+        say_verbose "$download_error_msg"
        return 1
    fi
    return 0
 }

+
+# Updates global variables $http_code and $download_error_msg
 downloadwget() {
    eval $invocation
+    unset http_code
+    unset download_error_msg
    local remote_path="$1"
    local out_path="${2:-}"
-
    # Append feed_credential as late as possible before calling wget to avoid logging feed_credential
-    remote_path="${remote_path}${feed_credential}"
+    local remote_path_with_credential="${remote_path}${feed_credential}"
    local wget_options="--tries 20 --waitretry 2 --connect-timeout 15 "
    local failed=false
    if [ -z "$out_path" ]; then
-        wget -q $wget_options -O - "$remote_path" || failed=true
+        wget -q $wget_options -O - "$remote_path_with_credential" || failed=true
    else
-        wget $wget_options -O "$out_path" "$remote_path" || failed=true
+        wget $wget_options -O "$out_path" "$remote_path_with_credential" || failed=true
    fi
    if [ "$failed" = true ]; then
-        say_verbose "Wget download failed"
+        local response=$(get_http_header_wget $remote_path_with_credential)
+        http_code=$( echo "$response" | awk '/^  HTTP/{print $2}' | tail -1 )
+        download_error_msg="Unable to download $remote_path."
+        if  [[ $http_code != 2* ]]; then
+            download_error_msg+=" Returned HTTP status code: $http_code."
+        fi
+        say_verbose "$download_error_msg"
        return 1
    fi
    return 0
@@ -778,6 +841,9 @@ calculate_vars() {
    normalized_architecture="$(get_normalized_architecture_from_architecture "$architecture")"
    say_verbose "normalized_architecture=$normalized_architecture"

+    normalized_os="$(get_normalized_os "$user_defined_os")"
+    say_verbose "normalized_os=$normalized_os"
+
    specific_version="$(get_specific_version_from_version "$azure_feed" "$channel" "$normalized_architecture" "$version" "$json_file")"
    specific_product_version="$(get_specific_product_version "$azure_feed" "$specific_version")"
    say_verbose "specific_version=$specific_version"
@@ -786,7 +852,7 @@ calculate_vars() {
        return 1
    fi

-    download_link="$(construct_download_link "$azure_feed" "$channel" "$normalized_architecture" "$specific_version")"
+    download_link="$(construct_download_link "$azure_feed" "$channel" "$normalized_architecture" "$specific_version" "$normalized_os")"
    say_verbose "Constructed primary named payload URL: $download_link"

    legacy_download_link="$(construct_legacy_download_link "$azure_feed" "$channel" "$normalized_architecture" "$specific_version")" || valid_legacy_download_link=false
@@ -831,38 +897,74 @@ install_dotnet() {
    zip_path="$(mktemp "$temporary_file_template")"
    say_verbose "Zip path: $zip_path"

-    say "Downloading link: $download_link"

    # Failures are normal in the non-legacy case for ultimately legacy downloads.
    # Do not output to stderr, since output to stderr is considered an error.
+    say "Downloading primary link $download_link"
+
+    # The download function will set variables $http_code and $download_error_msg in case of failure.
    download "$download_link" "$zip_path" 2>&1 || download_failed=true

    #  if the download fails, download the legacy_download_link
    if [ "$download_failed" = true ]; then
-        say "Cannot download: $download_link"
-
+        primary_path_http_code="$http_code"; primary_path_download_error_msg="$download_error_msg"
+        case $primary_path_http_code in
+        404)
+            say "The resource at $download_link is not available."
+            ;;
+        *)
+            say "$primary_path_download_error_msg"
+            ;;
+        esac
+        rm -f "$zip_path" 2>&1 && say_verbose "Temporary zip file $zip_path was removed"
        if [ "$valid_legacy_download_link" = true ]; then
            download_failed=false
            download_link="$legacy_download_link"
            zip_path="$(mktemp "$temporary_file_template")"
            say_verbose "Legacy zip path: $zip_path"
-            say "Downloading legacy link: $download_link"
+
+            say "Downloading legacy link $download_link"
+
+            # The download function will set variables $http_code and $download_error_msg in case of failure.
            download "$download_link" "$zip_path" 2>&1 || download_failed=true

            if [ "$download_failed" = true ]; then
-                say "Cannot download: $download_link"
+                legacy_path_http_code="$http_code";  legacy_path_download_error_msg="$download_error_msg"
+                case $legacy_path_http_code in
+                404)
+                    say "The resource at $download_link is not available."
+                    ;;
+                *)
+                    say "$legacy_path_download_error_msg"
+                    ;;
+                esac
+                rm -f "$zip_path" 2>&1 && say_verbose "Temporary zip file $zip_path was removed"
            fi
        fi
    fi

    if [ "$download_failed" = true ]; then
-        say_err "Could not find/download: \`$asset_name\` with version = $specific_version"
-        say_err "Refer to: https://aka.ms/dotnet-os-lifecycle for information on .NET Core support"
+        if [[ "$primary_path_http_code" = "404" && ( "$valid_legacy_download_link" = false || "$legacy_path_http_code" = "404") ]]; then
+            say_err "Could not find \`$asset_name\` with version = $specific_version"
+            say_err "Refer to: https://aka.ms/dotnet-os-lifecycle for information on .NET Core support"
+        else
+            say_err "Could not download: \`$asset_name\` with version = $specific_version"
+            # 404-NotFound is an expected response if it goes from only one of the links, do not show that error.
+            # If primary path is available (not 404-NotFound) then show the primary error else show the legacy error.
+            if [ "$primary_path_http_code" != "404" ]; then
+                say_err "$primary_path_download_error_msg"
+                return 1
+            fi
+            if [[ "$valid_legacy_download_link" = true  && "$legacy_path_http_code" != "404" ]]; then
+                say_err "$legacy_path_download_error_msg"
+                return 1
+            fi
+        fi
        return 1
    fi

    say "Extracting zip from $download_link"
-    extract_dotnet_package "$zip_path" "$install_root"
+    extract_dotnet_package "$zip_path" "$install_root" || return 1

    #  Check if the SDK version is installed; if not, fail the installation.
    # if the version contains "RTM" or "servicing"; check if a 'release-type' SDK version is installed.
@@ -883,6 +985,8 @@ install_dotnet() {
        return 0
    fi

+    # Version verification failed. More likely something is wrong either with the downloaded content or with the verification algorithm.
+    say_err "Failed to verify the version of installed \`$asset_name\`.\nInstallation source: $download_link.\nInstallation location: $install_root.\nReport the bug at https://github.com/dotnet/install-scripts/issues."
    say_err "\`$asset_name\` with version = $specific_product_version failed to install with an unknown error."
    return 1
 }
@@ -909,6 +1013,7 @@ runtime=""
 runtime_id=""
 override_non_versioned_files=true
 non_dynamic_parameters=""
+user_defined_os=""

 while [ $# -ne 0 ]
 do
@@ -930,6 +1035,10 @@ do
            shift
            architecture="$1"
            ;;
+        --os|-[Oo][SS])
+            shift
+            user_defined_os="$1"
+            ;;
        --shared-runtime|-[Ss]hared[Rr]untime)
            say_warning "The --shared-runtime flag is obsolete and may be removed in a future version of this script. The recommended usage is to specify '--runtime dotnet'."
            if [ -z "$runtime" ]; then
@@ -981,6 +1090,7 @@ do
            shift
            runtime_id="$1"
            non_dynamic_parameters+=" $name "\""$1"\"""
+            say_warning "Use of --runtime-id is obsolete and should be limited to the versions below 2.1. To override architecture, use --architecture option instead. To override OS, use --os option instead."
            ;;
        --jsonfile|-[Jj][Ss]on[Ff]ile)
            shift
@@ -1013,8 +1123,6 @@ do
            echo "      -Version"
            echo "          Possible values:"
            echo "          - latest - most latest build on specific channel"
-            echo "          - coherent - most latest coherent build on specific channel"
-            echo "              coherent applies only to SDK downloads"
            echo "          - 3-part version in a format A.B.C - represents specific version of build"
            echo "              examples: 2.0.0-preview2-006120; 1.1.0"
            echo "  -i,--install-dir <DIR>             Install under specified location (see Install Location below)"
@@ -1022,6 +1130,11 @@ do
            echo "  --architecture <ARCHITECTURE>      Architecture of dotnet binaries to be installed, Defaults to \`$architecture\`."
            echo "      --arch,-Architecture,-Arch"
            echo "          Possible values: x64, arm, and arm64"
+            echo "  --os <system>                    Specifies operating system to be used when selecting the installer."
+            echo "          Overrides the OS determination approach used by the script. Supported values: osx, linux, linux-musl, freebsd, rhel.6."
+            echo "          In case any other value is provided, the platform will be determined by the script based on machine configuration."
+            echo "          Not supported for legacy links. Use --runtime-id to specify platform for legacy links."
+            echo "          Refer to: https://aka.ms/dotnet-os-lifecycle for more information."
            echo "  --runtime <RUNTIME>                Installs a shared runtime only, without the SDK."
            echo "      -Runtime"
            echo "          Possible values:"
@@ -1038,14 +1151,15 @@ do
            echo "  --no-cdn,-NoCdn                    Disable downloading from the Azure CDN, and use the uncached feed directly."
            echo "  --jsonfile <JSONFILE>              Determines the SDK version from a user specified global.json file."
            echo "                                     Note: global.json must have a value for 'SDK:Version'"
-            echo "  --runtime-id                       Installs the .NET Tools for the given platform (use linux-x64 for portable linux)."
-            echo "      -RuntimeId"
            echo "  -?,--?,-h,--help,-Help             Shows this help message"
            echo ""
            echo "Obsolete parameters:"
            echo "  --shared-runtime                   The recommended alternative is '--runtime dotnet'."
            echo "                                     This parameter is obsolete and may be removed in a future version of this script."
            echo "                                     Installs just the shared runtime bits, not the entire SDK."
+            echo "  --runtime-id                       Installs the .NET Tools for the given platform (use linux-x64 for portable linux)."
+            echo "      -RuntimeId"                    The parameter is obsolete and may be removed in a future version of this script. Should be used only for versions below 2.1.
+            echo "                                     For primary links to override OS or/and architecture, use --os and --architecture option instead."
            echo ""
            echo "Install Location:"
            echo "  Location is chosen in following order:"
@@ -1082,7 +1196,7 @@ if [ "$dry_run" = true ]; then
    if [ "$valid_legacy_download_link" = true ]; then
        say "Legacy named payload URL: $legacy_download_link"
    fi
-    repeatable_command="./$script_name --version "\""$specific_version"\"" --install-dir "\""$install_root"\"" --architecture "\""$normalized_architecture"\"""
+    repeatable_command="./$script_name --version "\""$specific_version"\"" --install-dir "\""$install_root"\"" --architecture "\""$normalized_architecture"\"" --os "\""$normalized_os"\"""
    if [[ "$runtime" == "dotnet" ]]; then
        repeatable_command+=" --runtime "\""dotnet"\"""
    elif [[ "$runtime" == "aspnetcore" ]]; then
--- a/src/Misc/layoutbin/RunnerService.js
+++ b/src/Misc/layoutbin/RunnerService.js
@@ -16,11 +16,11 @@ if (supported.indexOf(process.platform) == -1) {
 var stopping = false;
 var listener = null;

-var runService = function() {
+var runService = function () {
    var listenerExePath = path.join(__dirname, '../bin/Runner.Listener');
    var interactive = process.argv[2] === "interactive";

-    if(!stopping) {
+    if (!stopping) {
        try {
            if (interactive) {
                console.log('Starting Runner listener interactively');
@@ -30,8 +30,8 @@ var runService = function() {
                listener = childProcess.spawn(listenerExePath, ['run', '--startuptype', 'service'], { env: process.env });
            }

-            console.log('Started listener process');
-        
+            console.log(`Started listener process, pid: ${listener.pid}`);
+
            listener.stdout.on('data', (data) => {
                process.stdout.write(data.toString('utf8'));
            });
@@ -40,6 +40,10 @@ var runService = function() {
                process.stdout.write(data.toString('utf8'));
            });

+            listener.on("error", (err) => {
+                console.log(`Runner listener fail to start with error ${err.message}`);
+            });
+
            listener.on('close', (code) => {
                console.log(`Runner listener exited with error code ${code}`);

@@ -56,13 +60,13 @@ var runService = function() {
                } else {
                    console.log('Runner listener exit with undefined return code, re-launch runner in 5 seconds.');
                }
-                
-                if(!stopping) {
+
+                if (!stopping) {
                    setTimeout(runService, 5000);
                }
            });

-        } catch(ex) {
+        } catch (ex) {
            console.log(ex);
        }
    }
@@ -71,7 +75,7 @@ var runService = function() {
 runService();
 console.log('Started running service');

-var gracefulShutdown = function(code) {
+var gracefulShutdown = function (code) {
    console.log('Shutting down runner listener');
    stopping = true;
    if (listener) {
--- a/src/Misc/layoutroot/run.sh
+++ b/src/Misc/layoutroot/run.sh
@@ -26,25 +26,23 @@ if [[ "$1" == "localRun" ]]; then
 else
    "$DIR"/bin/Runner.Listener run $*

-# Return code 4 means the run once runner received an update message.
-# Sleep 5 seconds to wait for the update process finish and run the runner again.
+# Return code 3 means the run once runner received an update message.
+# Sleep 5 seconds to wait for the update process finish
    returnCode=$?
-    if [[ $returnCode == 4 ]]; then
+    if [[ $returnCode == 3 ]]; then
        if [ ! -x "$(command -v sleep)" ]; then
            if [ ! -x "$(command -v ping)" ]; then
                COUNT="0"
                while [[ $COUNT != 5000 ]]; do
-                    echo "SLEEP" >nul
+                    echo "SLEEP" > /dev/null
                    COUNT=$[$COUNT+1]
                done
            else
-                ping -n 5 127.0.0.1 >nul
+                ping -c 5 127.0.0.1 > /dev/null
            fi
        else
-            sleep 5 >nul
+            sleep 5
        fi
-        
-        "$DIR"/bin/Runner.Listener run $*
    else
        exit $returnCode
    fi
--- a/src/Runner.Common/HostContext.cs
+++ b/src/Runner.Common/HostContext.cs
@@ -84,6 +84,7 @@ namespace GitHub.Runner.Common
            this.SecretMasker.AddValueEncoder(ValueEncoders.Base64StringEscape);
            this.SecretMasker.AddValueEncoder(ValueEncoders.Base64StringEscapeShift1);
            this.SecretMasker.AddValueEncoder(ValueEncoders.Base64StringEscapeShift2);
+            this.SecretMasker.AddValueEncoder(ValueEncoders.CommandLineArgumentEscape);
            this.SecretMasker.AddValueEncoder(ValueEncoders.ExpressionStringEscape);
            this.SecretMasker.AddValueEncoder(ValueEncoders.JsonStringEscape);
            this.SecretMasker.AddValueEncoder(ValueEncoders.UriDataEscape);
--- a/src/Runner.Common/Logging.cs
+++ b/src/Runner.Common/Logging.cs
@@ -101,7 +101,7 @@ namespace GitHub.Runner.Common
            EndPage();
            _byteCount = 0;
            _dataFileName = Path.Combine(_pagesFolder, $"{_timelineId}_{_timelineRecordId}_{++_pageCount}.log");
-            _pageData = new FileStream(_dataFileName, FileMode.CreateNew);
+            _pageData = new FileStream(_dataFileName, FileMode.CreateNew, FileAccess.ReadWrite, FileShare.ReadWrite);
            _pageWriter = new StreamWriter(_pageData, System.Text.Encoding.UTF8);
        }

--- a/src/Runner.Common/Runner.Common.csproj
+++ b/src/Runner.Common/Runner.Common.csproj
@@ -1,7 +1,7 @@
 <Project Sdk="Microsoft.NET.Sdk">

  <PropertyGroup>
-    <TargetFramework>net5.0</TargetFramework>
+    <TargetFramework>netcoreapp3.1</TargetFramework>
    <OutputType>Library</OutputType>
    <RuntimeIdentifiers>win-x64;win-x86;linux-x64;linux-arm64;linux-arm;osx-x64</RuntimeIdentifiers>
    <TargetLatestRuntimePatch>true</TargetLatestRuntimePatch>
--- a/src/Runner.Common/RunnerServer.cs
+++ b/src/Runner.Common/RunnerServer.cs
@@ -45,8 +45,8 @@ namespace GitHub.Runner.Common
        Task<TaskAgentJobRequest> FinishAgentRequestAsync(int poolId, long requestId, Guid lockToken, DateTime finishTime, TaskResult result, CancellationToken cancellationToken);

        // agent package
-        Task<List<PackageMetadata>> GetPackagesAsync(string packageType, string platform, int top, CancellationToken cancellationToken);
-        Task<PackageMetadata> GetPackageAsync(string packageType, string platform, string version, CancellationToken cancellationToken);
+        Task<List<PackageMetadata>> GetPackagesAsync(string packageType, string platform, int top, bool includeToken, CancellationToken cancellationToken);
+        Task<PackageMetadata> GetPackageAsync(string packageType, string platform, string version, bool includeToken, CancellationToken cancellationToken);

        // agent update
        Task<TaskAgent> UpdateAgentUpdateStateAsync(int agentPoolId, int agentId, string currentState);
@@ -317,16 +317,16 @@ namespace GitHub.Runner.Common
        //-----------------------------------------------------------------
        // Agent Package
        //-----------------------------------------------------------------
-        public Task<List<PackageMetadata>> GetPackagesAsync(string packageType, string platform, int top, CancellationToken cancellationToken)
+        public Task<List<PackageMetadata>> GetPackagesAsync(string packageType, string platform, int top, bool includeToken, CancellationToken cancellationToken)
        {
            CheckConnection(RunnerConnectionType.Generic);
-            return _genericTaskAgentClient.GetPackagesAsync(packageType, platform, top, cancellationToken: cancellationToken);
+            return _genericTaskAgentClient.GetPackagesAsync(packageType, platform, top, includeToken, cancellationToken: cancellationToken);
        }

-        public Task<PackageMetadata> GetPackageAsync(string packageType, string platform, string version, CancellationToken cancellationToken)
+        public Task<PackageMetadata> GetPackageAsync(string packageType, string platform, string version, bool includeToken, CancellationToken cancellationToken)
        {
            CheckConnection(RunnerConnectionType.Generic);
-            return _genericTaskAgentClient.GetPackageAsync(packageType, platform, version, cancellationToken: cancellationToken);
+            return _genericTaskAgentClient.GetPackageAsync(packageType, platform, version, includeToken, cancellationToken: cancellationToken);
        }

        public Task<TaskAgent> UpdateAgentUpdateStateAsync(int agentPoolId, int agentId, string currentState)
--- a/src/Runner.Listener/Checks/ActionsCheck.cs
+++ b/src/Runner.Listener/Checks/ActionsCheck.cs
@@ -15,7 +15,7 @@ namespace GitHub.Runner.Listener.Check

        public string CheckName => "GitHub Actions Connection";

-        public string CheckDescription => "Make sure the actions runner have access to the GitHub Actions Service.";
+        public string CheckDescription => "Check if the Actions runner has access to the GitHub Actions service.";

        public string CheckLog => _logFile;

@@ -61,17 +61,20 @@ namespace GitHub.Runner.Listener.Check
            // check github api
            checkTasks.Add(CheckUtil.CheckDns(githubApiUrl));
            checkTasks.Add(CheckUtil.CheckPing(githubApiUrl));
-            checkTasks.Add(HostContext.CheckHttpsRequests(githubApiUrl, pat, expectedHeader: "X-GitHub-Request-Id"));
+            checkTasks.Add(HostContext.CheckHttpsGetRequests(githubApiUrl, pat, expectedHeader: "X-GitHub-Request-Id"));

            // check actions token service
            checkTasks.Add(CheckUtil.CheckDns(actionsTokenServiceUrl));
            checkTasks.Add(CheckUtil.CheckPing(actionsTokenServiceUrl));
-            checkTasks.Add(HostContext.CheckHttpsRequests(actionsTokenServiceUrl, pat, expectedHeader: "x-vss-e2eid"));
+            checkTasks.Add(HostContext.CheckHttpsGetRequests(actionsTokenServiceUrl, pat, expectedHeader: "x-vss-e2eid"));

            // check actions pipelines service
            checkTasks.Add(CheckUtil.CheckDns(actionsPipelinesServiceUrl));
            checkTasks.Add(CheckUtil.CheckPing(actionsPipelinesServiceUrl));
-            checkTasks.Add(HostContext.CheckHttpsRequests(actionsPipelinesServiceUrl, pat, expectedHeader: "x-vss-e2eid"));
+            checkTasks.Add(HostContext.CheckHttpsGetRequests(actionsPipelinesServiceUrl, pat, expectedHeader: "x-vss-e2eid"));
+
+            // check HTTP POST to actions pipelines service
+            checkTasks.Add(HostContext.CheckHttpsPostRequests(actionsPipelinesServiceUrl, pat, expectedHeader: "x-vss-e2eid"));

            var result = true;
            while (checkTasks.Count > 0)
--- a/src/Runner.Listener/Checks/CheckUtil.cs
+++ b/src/Runner.Listener/Checks/CheckUtil.cs
@@ -117,14 +117,14 @@ namespace GitHub.Runner.Listener.Check
            return result;
        }

-        public static async Task<CheckResult> CheckHttpsRequests(this IHostContext hostContext, string url, string pat, string expectedHeader)
+        public static async Task<CheckResult> CheckHttpsGetRequests(this IHostContext hostContext, string url, string pat, string expectedHeader)
        {
            var result = new CheckResult();
            try
            {
                result.Logs.Add($"{DateTime.UtcNow.ToString("O")} ***************************************************************************************************************");
                result.Logs.Add($"{DateTime.UtcNow.ToString("O")} ****                                                                                                       ****");
-                result.Logs.Add($"{DateTime.UtcNow.ToString("O")} ****     Send HTTPS Request to {url} ");
+                result.Logs.Add($"{DateTime.UtcNow.ToString("O")} ****     Send HTTPS Request (GET) to {url} ");
                result.Logs.Add($"{DateTime.UtcNow.ToString("O")} ****                                                                                                       ****");
                result.Logs.Add($"{DateTime.UtcNow.ToString("O")} ***************************************************************************************************************");
                using (var _ = new HttpEventSourceListener(result.Logs))
@@ -159,7 +159,7 @@ namespace GitHub.Runner.Listener.Check
                        {
                            result.Pass = false;
                            result.Logs.Add($"{DateTime.UtcNow.ToString("O")} ***************************************************************************************************************");
-                            result.Logs.Add($"{DateTime.UtcNow.ToString("O")} Http request 'GET' to {url} succeed but doesn't have expected HTTP Header.");
+                            result.Logs.Add($"{DateTime.UtcNow.ToString("O")} Http request 'GET' to {url} succeed but doesn't have expected HTTP response Header '{expectedHeader}'.");
                            result.Logs.Add($"{DateTime.UtcNow.ToString("O")} ***************************************************************************************************************");
                            result.Logs.Add($"{DateTime.UtcNow.ToString("O")} ");
                            result.Logs.Add($"{DateTime.UtcNow.ToString("O")} ");
@@ -189,6 +189,67 @@ namespace GitHub.Runner.Listener.Check
            return result;
        }

+        public static async Task<CheckResult> CheckHttpsPostRequests(this IHostContext hostContext, string url, string pat, string expectedHeader)
+        {
+            var result = new CheckResult();
+            try
+            {
+                result.Logs.Add($"{DateTime.UtcNow.ToString("O")} ***************************************************************************************************************");
+                result.Logs.Add($"{DateTime.UtcNow.ToString("O")} ****                                                                                                       ****");
+                result.Logs.Add($"{DateTime.UtcNow.ToString("O")} ****     Send HTTPS Request (POST) to {url} ");
+                result.Logs.Add($"{DateTime.UtcNow.ToString("O")} ****                                                                                                       ****");
+                result.Logs.Add($"{DateTime.UtcNow.ToString("O")} ***************************************************************************************************************");
+                using (var _ = new HttpEventSourceListener(result.Logs))
+                using (var httpClientHandler = hostContext.CreateHttpClientHandler())
+                using (var httpClient = new HttpClient(httpClientHandler))
+                {
+                    httpClient.DefaultRequestHeaders.UserAgent.AddRange(hostContext.UserAgents);
+                    if (!string.IsNullOrEmpty(pat))
+                    {
+                        httpClient.DefaultRequestHeaders.Authorization = new AuthenticationHeaderValue("token", pat);
+                    }
+
+                    // Send empty JSON '{}' to service
+                    var response = await httpClient.PostAsJsonAsync<Dictionary<string, string>>(url, new Dictionary<string, string>());
+
+                    result.Logs.Add($"{DateTime.UtcNow.ToString("O")} Http status code: {response.StatusCode}");
+                    result.Logs.Add($"{DateTime.UtcNow.ToString("O")} Http response headers: {response.Headers}");
+
+                    var responseContent = await response.Content.ReadAsStringAsync();
+                    result.Logs.Add($"{DateTime.UtcNow.ToString("O")} Http response body: {responseContent}");
+                    if (response.Headers.Contains(expectedHeader))
+                    {
+                        result.Pass = true;
+                        result.Logs.Add($"{DateTime.UtcNow.ToString("O")} ***************************************************************************************************************");
+                        result.Logs.Add($"{DateTime.UtcNow.ToString("O")} Http request 'POST' to {url} has expected HTTP response header");
+                        result.Logs.Add($"{DateTime.UtcNow.ToString("O")} ***************************************************************************************************************");
+                        result.Logs.Add($"{DateTime.UtcNow.ToString("O")} ");
+                        result.Logs.Add($"{DateTime.UtcNow.ToString("O")} ");
+                    }
+                    else
+                    {
+                        result.Pass = false;
+                        result.Logs.Add($"{DateTime.UtcNow.ToString("O")} ***************************************************************************************************************");
+                        result.Logs.Add($"{DateTime.UtcNow.ToString("O")} Http request 'POST' to {url} doesn't have expected HTTP response Header '{expectedHeader}'.");
+                        result.Logs.Add($"{DateTime.UtcNow.ToString("O")} ***************************************************************************************************************");
+                        result.Logs.Add($"{DateTime.UtcNow.ToString("O")} ");
+                        result.Logs.Add($"{DateTime.UtcNow.ToString("O")} ");
+                    }
+                }
+            }
+            catch (Exception ex)
+            {
+                result.Pass = false;
+                result.Logs.Add($"{DateTime.UtcNow.ToString("O")} ***************************************************************************************************************");
+                result.Logs.Add($"{DateTime.UtcNow.ToString("O")} ****                                                                                                       ****");
+                result.Logs.Add($"{DateTime.UtcNow.ToString("O")} ****     Https request 'POST' to {url} failed with error: {ex}");
+                result.Logs.Add($"{DateTime.UtcNow.ToString("O")} ****                                                                                                       ****");
+                result.Logs.Add($"{DateTime.UtcNow.ToString("O")} ***************************************************************************************************************");
+            }
+
+            return result;
+        }
+
        public static async Task<CheckResult> DownloadExtraCA(this IHostContext hostContext, string url, string pat)
        {
            var result = new CheckResult();
@@ -289,18 +350,23 @@ namespace GitHub.Runner.Listener.Check
        private readonly Dictionary<string, HashSet<string>> _ignoredEvent = new Dictionary<string, HashSet<string>>
        {
            {
-                "Private.InternalDiagnostics.System.Net.Http",
+                "Microsoft-System-Net-Http",
                new HashSet<string>
                {
                    "Info",
-                    "Associate"
+                    "Associate",
+                    "Enter",
+                    "Exit"
                }
            },
            {
-                "Private.InternalDiagnostics.System.Net.Security",
+                "Microsoft-System-Net-Security",
                new HashSet<string>
                {
+                    "Enter",
+                    "Exit",
                    "Info",
+                    "DumpBuffer",
                    "SslStreamCtor",
                    "SecureChannelCtor",
                    "NoDelegateNoClientCert",
@@ -324,8 +390,8 @@ namespace GitHub.Runner.Listener.Check
        {
            base.OnEventSourceCreated(eventSource);

-            if (eventSource.Name == "Private.InternalDiagnostics.System.Net.Http" ||
-                eventSource.Name == "Private.InternalDiagnostics.System.Net.Security")
+            if (eventSource.Name == "Microsoft-System-Net-Http" ||
+                eventSource.Name == "Microsoft-System-Net-Security")
            {
                EnableEvents(eventSource, EventLevel.Verbose, EventKeywords.All);
            }
--- a/src/Runner.Listener/Checks/GitCheck.cs
+++ b/src/Runner.Listener/Checks/GitCheck.cs
@@ -19,7 +19,7 @@ namespace GitHub.Runner.Listener.Check

        public string CheckName => "Git Certificate/Proxy Validation";

-        public string CheckDescription => "Make sure the git cli can access to GitHub.com or the GitHub Enterprise Server.";
+        public string CheckDescription => "Check if the Git CLI can access GitHub.com or GitHub Enterprise Server.";

        public string CheckLog => _logFile;

--- a/src/Runner.Listener/Checks/InternetCheck.cs
+++ b/src/Runner.Listener/Checks/InternetCheck.cs
@@ -15,7 +15,7 @@ namespace GitHub.Runner.Listener.Check

        public string CheckName => "Internet Connection";

-        public string CheckDescription => "Make sure the actions runner have access to public internet.";
+        public string CheckDescription => "Check if the Actions runner has internet access.";

        public string CheckLog => _logFile;

@@ -40,7 +40,7 @@ namespace GitHub.Runner.Listener.Check
            checkTasks.Add(CheckUtil.CheckPing("https://api.github.com"));

            // We don't need to pass a PAT since it might be a token for GHES.
-            checkTasks.Add(HostContext.CheckHttpsRequests("https://api.github.com", pat: null, expectedHeader: "X-GitHub-Request-Id"));
+            checkTasks.Add(HostContext.CheckHttpsGetRequests("https://api.github.com", pat: null, expectedHeader: "X-GitHub-Request-Id"));

            var result = true;
            while (checkTasks.Count > 0)
--- a/src/Runner.Listener/Checks/NodeJsCheck.cs
+++ b/src/Runner.Listener/Checks/NodeJsCheck.cs
@@ -18,7 +18,7 @@ namespace GitHub.Runner.Listener.Check

        public string CheckName => "Node.js Certificate/Proxy Validation";

-        public string CheckDescription => "Make sure the node.js have access to GitHub.com or the GitHub Enterprise Server.";
+        public string CheckDescription => "Check if Node.js has access to GitHub.com or GitHub Enterprise Server.";

        public string CheckLog => _logFile;

--- a/src/Runner.Listener/Configuration/ConfigurationManager.cs
+++ b/src/Runner.Listener/Configuration/ConfigurationManager.cs
@@ -263,6 +263,7 @@ namespace GitHub.Runner.Listener.Configuration
                    {
                        { "clientId", agent.Authorization.ClientId.ToString("D") },
                        { "authorizationUrl", agent.Authorization.AuthorizationUrl.AbsoluteUri },
+                        { "requireFipsCryptography", agent.Properties.GetValue("RequireFipsCryptography", false).ToString() }
                    },
                };

--- a/src/Runner.Listener/Configuration/OAuthCredential.cs
+++ b/src/Runner.Listener/Configuration/OAuthCredential.cs
@@ -36,7 +36,7 @@ namespace GitHub.Runner.Listener.Configuration
            // We expect the key to be in the machine store at this point. Configuration should have set all of
            // this up correctly so we can use the key to generate access tokens.
            var keyManager = context.GetService<IRSAKeyManager>();
-            var signingCredentials = VssSigningCredentials.Create(() => keyManager.GetKey(), requireFipsCryptography: true);
+            var signingCredentials = VssSigningCredentials.Create(() => keyManager.GetKey(), StringUtil.ConvertToBoolean(CredentialData.Data.GetValueOrDefault("requireFipsCryptography"), false));
            var clientCredential = new VssOAuthJwtBearerClientCredential(clientId, authorizationUrl, signingCredentials);
            var agentCredential = new VssOAuthCredential(new Uri(oauthEndpointUrl, UriKind.Absolute), VssOAuthGrant.ClientCredentials, clientCredential);

--- a/src/Runner.Listener/Runner.Listener.csproj
+++ b/src/Runner.Listener/Runner.Listener.csproj
@@ -1,7 +1,7 @@
 <Project Sdk="Microsoft.NET.Sdk">

  <PropertyGroup>
-    <TargetFramework>net5.0</TargetFramework>
+    <TargetFramework>netcoreapp3.1</TargetFramework>
    <OutputType>Exe</OutputType>
    <RuntimeIdentifiers>win-x64;win-x86;linux-x64;linux-arm64;linux-arm;osx-x64</RuntimeIdentifiers>
    <TargetLatestRuntimePatch>true</TargetLatestRuntimePatch>
--- a/src/Runner.Listener/Runner.cs
+++ b/src/Runner.Listener/Runner.cs
@@ -501,6 +501,7 @@ Options:
 --help     Prints the help for each command
 --version  Prints the runner version
 --commit   Prints the runner commit
+ --check    Check the runner's network connectivity with GitHub server

 Config Options:
 --unattended           Disable interactive prompts for missing arguments. Defaults will be used for missing options
@@ -510,7 +511,8 @@ Config Options:
 --runnergroup string   Name of the runner group to add this runner to (defaults to the default runner group)
 --labels string        Extra labels in addition to the default: 'self-hosted,{Constants.Runner.Platform},{Constants.Runner.PlatformArchitecture}'
 --work string          Relative runner work directory (default {Constants.Path.WorkDirectory})
- --replace              Replace any existing runner with the same name (default false)");
+ --replace              Replace any existing runner with the same name (default false)
+ --pat                  GitHub personal access token used for checking network connectivity when executing `.{separator}run.{ext} --check`");
 #if OS_WINDOWS
    _term.WriteLine($@" --runasservice   Run the runner as a service");
    _term.WriteLine($@" --windowslogonaccount string   Account to run the service as. Requires runasservice");
@@ -518,6 +520,8 @@ Config Options:
 #endif
    _term.WriteLine($@"
 Examples:
+ Check GitHub server network connectivity:
+  .{separator}run.{ext} --check --url <url> --pat <pat>
 Configure a runner non-interactively:
  .{separator}config.{ext} --unattended --url <url> --token <token>
 Configure a runner non-interactively, replacing any existing runner with the same name:
--- a/src/Runner.Listener/SelfUpdater.cs
+++ b/src/Runner.Listener/SelfUpdater.cs
@@ -8,7 +8,9 @@ using System.Linq;
 using System.Net.Http;
 using System.Threading;
 using System.Threading.Tasks;
+using System.Security.Cryptography;
 using GitHub.Services.WebApi;
+using GitHub.Services.Common;
 using GitHub.Runner.Common;
 using GitHub.Runner.Sdk;

@@ -110,7 +112,7 @@ namespace GitHub.Runner.Listener
            // old server won't send target version as part of update message.
            if (string.IsNullOrEmpty(targetVersion))
            {
-                var packages = await _runnerServer.GetPackagesAsync(_packageType, _platform, 1, token);
+                var packages = await _runnerServer.GetPackagesAsync(_packageType, _platform, 1, true, token);
                if (packages == null || packages.Count == 0)
                {
                    Trace.Info($"There is no package for {_packageType} and {_platform}.");
@@ -121,7 +123,7 @@ namespace GitHub.Runner.Listener
            }
            else
            {
-                _targetPackage = await _runnerServer.GetPackageAsync(_packageType, _platform, targetVersion, token);
+                _targetPackage = await _runnerServer.GetPackageAsync(_packageType, _platform, targetVersion, true, token);
                if (_targetPackage == null)
                {
                    Trace.Info($"There is no package for {_packageType} and {_platform} with version {targetVersion}.");
@@ -211,12 +213,22 @@ namespace GitHub.Runner.Listener

                            //open zip stream in async mode
                            using (HttpClient httpClient = new HttpClient(HostContext.CreateHttpClientHandler()))
-                            using (FileStream fs = new FileStream(archiveFile, FileMode.Create, FileAccess.Write, FileShare.None, bufferSize: 4096, useAsync: true))
-                            using (Stream result = await httpClient.GetStreamAsync(_targetPackage.DownloadUrl))
                            {
-                                //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);
+                                if (!string.IsNullOrEmpty(_targetPackage.Token))
+                                {
+                                    Trace.Info($"Adding authorization token ({_targetPackage.Token.Length} chars)");
+                                    httpClient.DefaultRequestHeaders.Authorization = new System.Net.Http.Headers.AuthenticationHeaderValue("Bearer", _targetPackage.Token);
+                                }
+
+                                Trace.Info($"Downloading {_targetPackage.DownloadUrl}");
+
+                                using (FileStream fs = new FileStream(archiveFile, FileMode.Create, FileAccess.Write, FileShare.None, bufferSize: 4096, useAsync: true))
+                                using (Stream result = await httpClient.GetStreamAsync(_targetPackage.DownloadUrl))
+                                {
+                                    //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);
+                                }
                            }

                            Trace.Info($"Download runner: finished download");
@@ -246,6 +258,24 @@ namespace GitHub.Runner.Listener
                }

                // If we got this far, we know that we've successfully downloaded the runner package
+                // Validate Hash Matches if it is provided
+                using (FileStream stream = File.OpenRead(archiveFile))
+                {
+                    if (!String.IsNullOrEmpty(_targetPackage.HashValue))
+                    {
+                        using (SHA256 sha256 = SHA256.Create())
+                        {
+                            byte[] srcHashBytes = await sha256.ComputeHashAsync(stream);
+                            var hash = PrimitiveExtensions.ConvertToHexString(srcHashBytes);
+                            if (hash != _targetPackage.HashValue)
+                            {
+                                // Hash did not match, we can't recover from this, just throw
+                                throw new Exception($"Computed runner hash {hash} did not match expected Runner Hash {_targetPackage.HashValue} for {_targetPackage.Filename}");
+                            }
+                            Trace.Info($"Validated Runner Hash matches {_targetPackage.Filename} : {_targetPackage.HashValue}");
+                        }
+                    }
+                }
                if (archiveFile.EndsWith(".zip", StringComparison.OrdinalIgnoreCase))
                {
                    ZipFile.ExtractToDirectory(archiveFile, latestRunnerDirectory);
@@ -327,8 +357,13 @@ namespace GitHub.Runner.Listener
            Trace.Info($"Copy any remaining .sh/.cmd files into runner root.");
            foreach (FileInfo file in new DirectoryInfo(latestRunnerDirectory).GetFiles() ?? new FileInfo[0])
            {
-                // Copy and replace the file.
-                file.CopyTo(Path.Combine(HostContext.GetDirectory(WellKnownDirectory.Root), file.Name), true);
+                string destination = Path.Combine(HostContext.GetDirectory(WellKnownDirectory.Root), file.Name);
+
+                // Removing the file instead of just trying to overwrite it works around permissions issues on linux.
+                // https://github.com/actions/runner/issues/981
+                Trace.Info($"Copy {file.FullName} to {destination}");
+                IOUtil.DeleteFile(destination);
+                file.CopyTo(destination, true);
            }
        }

--- a/src/Runner.PluginHost/Runner.PluginHost.csproj
+++ b/src/Runner.PluginHost/Runner.PluginHost.csproj
@@ -1,7 +1,7 @@
 <Project Sdk="Microsoft.NET.Sdk">

  <PropertyGroup>
-    <TargetFramework>net5.0</TargetFramework>
+    <TargetFramework>netcoreapp3.1</TargetFramework>
    <OutputType>Exe</OutputType>
    <RuntimeIdentifiers>win-x64;win-x86;linux-x64;linux-arm64;linux-arm;osx-x64</RuntimeIdentifiers>
    <TargetLatestRuntimePatch>true</TargetLatestRuntimePatch>
--- a/src/Runner.Plugins/Artifact/FileContainerServer.cs
+++ b/src/Runner.Plugins/Artifact/FileContainerServer.cs
@@ -444,7 +444,7 @@ namespace GitHub.Runner.Plugins.Artifact
                {
                    // We should never
                    context.Error($"Error '{ex.Message}' when downloading file '{fileToDownload}'. (Downloader {downloaderId})");
-                    throw;
+                    throw ex;
                }
            }

@@ -528,7 +528,7 @@ namespace GitHub.Runner.Plugins.Artifact
                catch (Exception ex)
                {
                    context.Output($"File error '{ex.Message}' when uploading file '{fileToUpload}'.");
-                    throw;
+                    throw ex;
                }
            }

@@ -682,4 +682,4 @@ namespace GitHub.Runner.Plugins.Artifact
            : base(message, inner)
        { }
    }
-}
+}
--- a/src/Runner.Plugins/Runner.Plugins.csproj
+++ b/src/Runner.Plugins/Runner.Plugins.csproj
@@ -1,7 +1,7 @@
 <Project Sdk="Microsoft.NET.Sdk">

  <PropertyGroup>
-    <TargetFramework>net5.0</TargetFramework>
+    <TargetFramework>netcoreapp3.1</TargetFramework>
    <OutputType>Library</OutputType>
    <RuntimeIdentifiers>win-x64;win-x86;linux-x64;linux-arm64;linux-arm;osx-x64</RuntimeIdentifiers>
    <TargetLatestRuntimePatch>true</TargetLatestRuntimePatch>
--- a/src/Runner.Sdk/BuildConstants.cs
+++ b/src/Runner.Sdk/BuildConstants.cs
@@ -0,0 +1,19 @@
+namespace GitHub.Runner.Sdk
+{
+    /***
+     * WARNING: This file is automatically regenerated on layout so the runner can provide version/commit info (do not manually edit it).
+     */
+    public static class BuildConstants
+    {
+        public static class Source
+        {
+            public static readonly string CommitHash = "N/A";
+        }
+
+        public static class RunnerPackage
+        {
+            public static readonly string PackageName = "N/A";
+            public static readonly string Version = "0";
+        }
+    }
+}
--- a/src/Runner.Sdk/Runner.Sdk.csproj
+++ b/src/Runner.Sdk/Runner.Sdk.csproj
@@ -1,7 +1,7 @@
 <Project Sdk="Microsoft.NET.Sdk">

  <PropertyGroup>
-    <TargetFramework>net5.0</TargetFramework>
+    <TargetFramework>netcoreapp3.1</TargetFramework>
    <OutputType>Library</OutputType>
    <RuntimeIdentifiers>win-x64;win-x86;linux-x64;linux-arm64;linux-arm;osx-x64</RuntimeIdentifiers>
    <TargetLatestRuntimePatch>true</TargetLatestRuntimePatch>
--- a/src/Runner.Worker/ActionManifestManager.cs
+++ b/src/Runner.Worker/ActionManifestManager.cs
@@ -311,7 +311,7 @@ namespace GitHub.Runner.Worker
            var result = new TemplateContext
            {
                CancellationToken = CancellationToken.None,
-                Errors = new TemplateValidationErrors(10, 500),
+                Errors = new TemplateValidationErrors(10, int.MaxValue), // Don't truncate error messages otherwise we might not scrub secrets correctly
                Memory = new TemplateMemory(
                    maxDepth: 100,
                    maxEvents: 1000000,
--- a/src/Runner.Worker/ContainerOperationProvider.cs
+++ b/src/Runner.Worker/ContainerOperationProvider.cs
@@ -198,8 +198,7 @@ namespace GitHub.Runner.Worker
                }
            }

-            // TODO: Add at a later date. This currently no local package registry to test with
-            // UpdateRegistryAuthForGitHubToken(executionContext, container);
+            UpdateRegistryAuthForGitHubToken(executionContext, container);

            // Before pulling, generate client authentication if required
            var configLocation = await ContainerRegistryLogin(executionContext, container);
@@ -494,31 +493,14 @@ namespace GitHub.Runner.Worker

        private void UpdateRegistryAuthForGitHubToken(IExecutionContext executionContext, ContainerInfo container)
        {
-            var registryIsTokenCompatible = container.RegistryServer.Equals("docker.pkg.github.com", StringComparison.OrdinalIgnoreCase);
+            var registryIsTokenCompatible = container.RegistryServer.Equals("ghcr.io", StringComparison.OrdinalIgnoreCase) || container.RegistryServer.Equals("containers.pkg.github.com", StringComparison.OrdinalIgnoreCase);
            if (!registryIsTokenCompatible)
            {
                return;
            }

-            var registryMatchesWorkflow = false;
-
-            // REGISTRY/OWNER/REPO/IMAGE[:TAG]
-            var imageParts = container.ContainerImage.Split('/');
-            if (imageParts.Length != 4)
-            {
-                executionContext.Warning($"Could not identify owner and repo for container image {container.ContainerImage}. Skipping automatic token auth");
-                return;
-            }
-            var owner = imageParts[1];
-            var repo = imageParts[2];
-            var nwo = $"{owner}/{repo}";
-            if (nwo.Equals(executionContext.GetGitHubContext("repository"), StringComparison.OrdinalIgnoreCase))
-            {
-                registryMatchesWorkflow = true;
-            }
-
            var registryCredentialsNotSupplied = string.IsNullOrEmpty(container.RegistryAuthUsername) && string.IsNullOrEmpty(container.RegistryAuthPassword);
-            if (registryCredentialsNotSupplied && registryMatchesWorkflow)
+            if (registryCredentialsNotSupplied)
            {
                container.RegistryAuthUsername = executionContext.GetGitHubContext("actor");
                container.RegistryAuthPassword = executionContext.GetGitHubContext("token");
--- a/src/Runner.Worker/ExecutionContext.cs
+++ b/src/Runner.Worker/ExecutionContext.cs
@@ -858,6 +858,10 @@ namespace GitHub.Runner.Worker
            {
                _record.ParentId = parentTimelineRecordId;
            }
+            else if (parentTimelineRecordId == null)
+            {
+                _record.AgentPlatform = VarUtil.OS;
+            }

            var configuration = HostContext.GetService<IConfigurationStore>();
            _record.WorkerName = configuration.GetSettings().AgentName;
@@ -975,7 +979,10 @@ namespace GitHub.Runner.Worker
                traceWriter = context.ToTemplateTraceWriter();
            }
            var schema = PipelineTemplateSchemaFactory.GetSchema();
-            return new PipelineTemplateEvaluator(traceWriter, schema, context.Global.FileTable);
+            return new PipelineTemplateEvaluator(traceWriter, schema, context.Global.FileTable)
+            {
+                MaxErrorMessageLength = int.MaxValue, // Don't truncate error messages otherwise we might not scrub secrets correctly
+            };
        }

        public static ObjectTemplating.ITraceWriter ToTemplateTraceWriter(this IExecutionContext context)
--- a/src/Runner.Worker/JobExtension.cs
+++ b/src/Runner.Worker/JobExtension.cs
@@ -122,6 +122,26 @@ namespace GitHub.Runner.Worker
                        }
                    }

+                    try 
+                    {
+                        var tokenPermissions = jobContext.Global.Variables.Get("system.github.token.permissions") ?? "";
+                        if (!string.IsNullOrEmpty(tokenPermissions))
+                        {
+                            context.Output($"##[group]GITHUB_TOKEN Permissions");
+                            var permissions = StringUtil.ConvertFromJson<Dictionary<string, string>>(tokenPermissions);
+                            foreach(KeyValuePair<string, string> entry in permissions)
+                            {
+                                context.Output($"{entry.Key}: {entry.Value}");
+                            }
+                            context.Output("##[endgroup]");
+                        }
+                    } 
+                    catch (Exception ex)
+                    {
+                        context.Output($"Fail to parse and display GITHUB_TOKEN permissions list: {ex.Message}");
+                        Trace.Error(ex);
+                    }
+
                    var repoFullName = context.GetGitHubContext("repository");
                    ArgUtil.NotNull(repoFullName, nameof(repoFullName));
                    context.Debug($"Primary repository: {repoFullName}");
--- a/src/Runner.Worker/Runner.Worker.csproj
+++ b/src/Runner.Worker/Runner.Worker.csproj
@@ -1,7 +1,7 @@
 <Project Sdk="Microsoft.NET.Sdk">

  <PropertyGroup>
-    <TargetFramework>net5.0</TargetFramework>
+    <TargetFramework>netcoreapp3.1</TargetFramework>
    <OutputType>Exe</OutputType>
    <RuntimeIdentifiers>win-x64;win-x86;linux-x64;linux-arm64;linux-arm;osx-x64</RuntimeIdentifiers>
    <TargetLatestRuntimePatch>true</TargetLatestRuntimePatch>
--- a/src/Sdk/Common/Common/Authentication/HttpRequestMessageWrapper.cs
+++ b/src/Sdk/Common/Common/Authentication/HttpRequestMessageWrapper.cs
@@ -12,9 +12,29 @@ namespace GitHub.Services.Common
            m_request = request;
        }

-        public IHttpHeaders Headers => this;
-        public Uri RequestUri => m_request.RequestUri;
-        public IDictionary<string,object> Properties => m_request.Options;
+        public IHttpHeaders Headers
+        {
+            get
+            {
+                return this;
+            }
+        }
+
+        public Uri RequestUri
+        {
+            get
+            {
+                return m_request.RequestUri;
+            }
+        }
+
+        public IDictionary<string, object> Properties
+        {
+            get
+            {
+                return m_request.Properties;
+            }
+        }

        IEnumerable<String> IHttpHeaders.GetValues(String name)
        {
--- a/src/Sdk/Common/Common/Diagnostics/HttpRequestMessageExtensions.cs
+++ b/src/Sdk/Common/Common/Diagnostics/HttpRequestMessageExtensions.cs
@@ -21,7 +21,7 @@ namespace GitHub.Services.Common.Diagnostics
        public static VssTraceActivity GetActivity(this HttpRequestMessage message)
        {
            Object traceActivity;
-            if (!message.Options.TryGetValue(VssTraceActivity.PropertyName, out traceActivity))
+            if (!message.Properties.TryGetValue(VssTraceActivity.PropertyName, out traceActivity))
            {
                return VssTraceActivity.Empty;
            }
--- a/src/Sdk/Common/Common/Utility/HashAlgorithmExtensions.cs
+++ b/src/Sdk/Common/Common/Utility/HashAlgorithmExtensions.cs
@@ -0,0 +1,27 @@
+using System.IO;
+using System.Security.Cryptography;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace GitHub.Services.Common
+{
+    public static class HashAlgorithmExtensions
+    {
+        public static async Task<byte[]> ComputeHashAsync(this HashAlgorithm hashAlg, Stream inputStream)
+        {
+            byte[] buffer = new byte[4096];
+
+            while (true)
+            {
+                int read = await inputStream.ReadAsync(buffer, 0, buffer.Length);
+                if (read == 0)
+                    break;
+
+                hashAlg.TransformBlock(buffer, 0, read, null, 0);
+            }
+
+            hashAlg.TransformFinalBlock(buffer, 0, 0);
+            return hashAlg.Hash;
+        }
+    }
+}
--- a/src/Sdk/Common/Common/Utility/PrimitiveExtensions.cs
+++ b/src/Sdk/Common/Common/Utility/PrimitiveExtensions.cs
@@ -85,5 +85,19 @@ namespace GitHub.Services.Common
            var bytes = FromBase64StringNoPadding(base64String);
            return BitConverter.ToString(bytes).Replace("-", String.Empty);
        }
+
+        /// <summary>
+        /// Converts byte array into a hex string
+        /// </summary>
+        public static String ConvertToHexString(byte[] bytes)
+        {
+            // Convert byte array to string
+            var sBuilder = new StringBuilder();
+            for (int i = 0; i < bytes.Length; i++)
+            {
+                sBuilder.Append(bytes[i].ToString("x2"));
+            }
+            return sBuilder.ToString();
+        }
    }
 }
--- a/src/Sdk/Common/Common/VssHttpMessageHandler.cs
+++ b/src/Sdk/Common/Common/VssHttpMessageHandler.cs
@@ -169,7 +169,7 @@ namespace GitHub.Services.Common
            }

            // Add ourselves to the message so the underlying token issuers may use it if necessary
-            request.Options.Set(new HttpRequestOptionsKey<VssHttpMessageHandler>(VssHttpMessageHandler.PropertyName), this);
+            request.Properties[VssHttpMessageHandler.PropertyName] = this;

            Boolean succeeded = false;
            Boolean lastResponseDemandedProxyAuth = false;
@@ -409,7 +409,7 @@ namespace GitHub.Services.Common
            // Read the completion option provided by the caller. If we don't find the property then we
            // assume it is OK to buffer by default.
            HttpCompletionOption completionOption;
-            if (!request.Options.TryGetValue(VssHttpRequestSettings.HttpCompletionOptionPropertyName, out completionOption))
+            if (!request.Properties.TryGetValue(VssHttpRequestSettings.HttpCompletionOptionPropertyName, out completionOption))
            {
                completionOption = HttpCompletionOption.ResponseContentRead;
            }
--- a/src/Sdk/Common/Common/VssHttpMessageHandlerTraceInfo.cs
+++ b/src/Sdk/Common/Common/VssHttpMessageHandlerTraceInfo.cs
@@ -77,9 +77,9 @@ namespace GitHub.Services.Common
        public static void SetTraceInfo(HttpRequestMessage message, VssHttpMessageHandlerTraceInfo traceInfo)
        {
            object existingTraceInfo;
-            if (!message.Options.TryGetValue(TfsTraceInfoKey, out existingTraceInfo))
+            if (!message.Properties.TryGetValue(TfsTraceInfoKey, out existingTraceInfo))
            {
-                message.Options.Set(new HttpRequestOptionsKey<VssHttpMessageHandlerTraceInfo>(TfsTraceInfoKey), traceInfo);
+                message.Properties.Add(TfsTraceInfoKey, traceInfo);
            }
        }

@@ -92,7 +92,7 @@ namespace GitHub.Services.Common
        {
            VssHttpMessageHandlerTraceInfo traceInfo = null;

-            if (message.Options.TryGetValue(TfsTraceInfoKey, out object traceInfoObject))
+            if (message.Properties.TryGetValue(TfsTraceInfoKey, out object traceInfoObject))
            {
                traceInfo = traceInfoObject as VssHttpMessageHandlerTraceInfo;
            }
--- a/src/Sdk/Common/Common/VssHttpRequestSettings.cs
+++ b/src/Sdk/Common/Common/VssHttpRequestSettings.cs
@@ -291,12 +291,12 @@ namespace GitHub.Services.Common
        protected internal virtual Boolean ApplyTo(HttpRequestMessage request)
        {
            // Make sure we only apply the settings to the request once
-            if (request.Options.TryGetValue(new HttpRequestOptionsKey<VssHttpRequestSettings>(PropertyName), out _))
+            if (request.Properties.ContainsKey(PropertyName))
            {
                return false;
            }

-            request.Options.Set(new HttpRequestOptionsKey<VssHttpRequestSettings>(PropertyName), this);
+            request.Properties.Add(PropertyName, this);

            if (this.AcceptLanguages != null && this.AcceptLanguages.Count > 0)
            {
--- a/src/Sdk/Common/Common/VssHttpRetryMessageHandler.cs
+++ b/src/Sdk/Common/Common/VssHttpRetryMessageHandler.cs
@@ -55,7 +55,7 @@ namespace GitHub.Services.Common
            // Allow overriding default retry options per request
            VssHttpRetryOptions retryOptions = m_retryOptions;
            object retryOptionsObject;
-            if (request.Options.TryGetValue(HttpRetryOptionsKey, out retryOptionsObject)) // NETSTANDARD compliant, TryGetValue<T> is not
+            if (request.Properties.TryGetValue(HttpRetryOptionsKey, out retryOptionsObject)) // NETSTANDARD compliant, TryGetValue<T> is not
            {
                // Fallback to default options if object of unexpected type was passed
                retryOptions = retryOptionsObject as VssHttpRetryOptions ?? m_retryOptions;
@@ -66,7 +66,7 @@ namespace GitHub.Services.Common

            IVssHttpRetryInfo retryInfo = null;
            object retryInfoObject;
-            if (request.Options.TryGetValue(HttpRetryInfoKey, out retryInfoObject)) // NETSTANDARD compliant, TryGetValue<T> is not
+            if (request.Properties.TryGetValue(HttpRetryInfoKey, out retryInfoObject)) // NETSTANDARD compliant, TryGetValue<T> is not
            {
                retryInfo = retryInfoObject as IVssHttpRetryInfo;
            }
--- a/src/Sdk/DTGenerated/Generated/TaskAgentHttpClientBase.cs
+++ b/src/Sdk/DTGenerated/Generated/TaskAgentHttpClientBase.cs
@@ -587,6 +587,7 @@ namespace GitHub.DistributedTask.WebApi
        /// <param name="packageType"></param>
        /// <param name="platform"></param>
        /// <param name="version"></param>
+        /// <param name="includeToken"></param>
        /// <param name="userState"></param>
        /// <param name="cancellationToken">The cancellation token to cancel operation.</param>
        [EditorBrowsable(EditorBrowsableState.Never)]
@@ -594,6 +595,7 @@ namespace GitHub.DistributedTask.WebApi
            string packageType,
            string platform,
            string version,
+            bool? includeToken = null,
            object userState = null,
            CancellationToken cancellationToken = default)
        {
@@ -601,11 +603,18 @@ namespace GitHub.DistributedTask.WebApi
            Guid locationId = new Guid("8ffcd551-079c-493a-9c02-54346299d144");
            object routeValues = new { packageType = packageType, platform = platform, version = version };

+            List<KeyValuePair<string, string>> queryParams = new List<KeyValuePair<string, string>>();
+            if (includeToken != null)
+            {
+                queryParams.Add("includeToken", includeToken.Value.ToString());
+            }
+
            return SendAsync<PackageMetadata>(
                httpMethod,
                locationId,
                routeValues: routeValues,
                version: new ApiResourceVersion(5.1, 2),
+                queryParameters: queryParams,
                userState: userState,
                cancellationToken: cancellationToken);
        }
@@ -616,6 +625,7 @@ namespace GitHub.DistributedTask.WebApi
        /// <param name="packageType"></param>
        /// <param name="platform"></param>
        /// <param name="top"></param>
+        /// <param name="includeToken"></param>
        /// <param name="userState"></param>
        /// <param name="cancellationToken">The cancellation token to cancel operation.</param>
        [EditorBrowsable(EditorBrowsableState.Never)]
@@ -623,6 +633,7 @@ namespace GitHub.DistributedTask.WebApi
            string packageType,
            string platform = null,
            int? top = null,
+            bool? includeToken = null,
            object userState = null,
            CancellationToken cancellationToken = default)
        {
@@ -635,6 +646,10 @@ namespace GitHub.DistributedTask.WebApi
            {
                queryParams.Add("$top", top.Value.ToString(CultureInfo.InvariantCulture));
            }
+            if (includeToken != null)
+            {
+                queryParams.Add("includeToken", includeToken.Value.ToString());
+            }

            return SendAsync<List<PackageMetadata>>(
                httpMethod,
--- a/src/Sdk/DTLogging/Logging/ValueEncoders.cs
+++ b/src/Sdk/DTLogging/Logging/ValueEncoders.cs
@@ -37,6 +37,12 @@ namespace GitHub.DistributedTask.Logging
            return Base64StringEscapeShift(value, 2);
        }

+        // Used when we pass environment variables to docker to escape " with \"
+        public static String CommandLineArgumentEscape(String value)
+        {
+            return value.Replace("\"", "\\\"");
+        }
+
        public static String ExpressionStringEscape(String value)
        {
            return Expressions2.Sdk.ExpressionUtility.StringEscape(value);
--- a/src/Sdk/DTPipelines/Pipelines/ObjectTemplating/PipelineTemplateEvaluator.cs
+++ b/src/Sdk/DTPipelines/Pipelines/ObjectTemplating/PipelineTemplateEvaluator.cs
@@ -40,7 +40,7 @@ namespace GitHub.DistributedTask.Pipelines.ObjectTemplating
        /// <summary>
        /// Gets the maximum error message length before the message will be truncated.
        /// </summary>
-        public Int32 MaxErrorMessageLength => 500;
+        public Int32 MaxErrorMessageLength { get; set; } = 500;

        /// <summary>
        /// Gets the maximum number of errors that can be recorded when parsing a pipeline.
--- a/src/Sdk/DTWebApi/WebApi/PackageMetadata.cs
+++ b/src/Sdk/DTWebApi/WebApi/PackageMetadata.cs
@@ -59,6 +59,16 @@ namespace GitHub.DistributedTask.WebApi
            set;
        }

+        /// <summary>
+        /// Auth token to download the package
+        /// </summary>
+        [DataMember]
+        public String Token
+        {
+            get;
+            set;
+        }
+
        /// <summary>
        /// MD5 hash as a base64 string
        /// </summary>
--- a/src/Sdk/DTWebApi/WebApi/TimelineRecord.cs
+++ b/src/Sdk/DTWebApi/WebApi/TimelineRecord.cs
@@ -38,6 +38,7 @@ namespace GitHub.DistributedTask.WebApi
            this.RefName = recordToBeCloned.RefName;
            this.ErrorCount = recordToBeCloned.ErrorCount;
            this.WarningCount = recordToBeCloned.WarningCount;
+            this.AgentPlatform = recordToBeCloned.AgentPlatform;

            if (recordToBeCloned.Log != null)
            {
@@ -254,6 +255,13 @@ namespace GitHub.DistributedTask.WebApi
            set;
        }

+        [DataMember(Order = 132, EmitDefaultValue = false)]
+        public string AgentPlatform
+        {
+            get;
+            set;
+        }
+
        public IList<TimelineAttempt> PreviousAttempts
        {
            get
--- a/src/Sdk/Sdk.csproj
+++ b/src/Sdk/Sdk.csproj
@@ -1,7 +1,7 @@
 <Project Sdk="Microsoft.NET.Sdk">

    <PropertyGroup>
-        <TargetFramework>net5.0</TargetFramework>
+        <TargetFramework>netcoreapp3.1</TargetFramework>
        <OutputType>Library</OutputType>
        <RuntimeIdentifiers>win-x64;win-x86;linux-x64;linux-arm64;linux-arm;osx-x64</RuntimeIdentifiers>
        <TargetLatestRuntimePatch>true</TargetLatestRuntimePatch>
--- a/src/Sdk/WebApi/WebApi/VssHttpClientBase.cs
+++ b/src/Sdk/WebApi/WebApi/VssHttpClientBase.cs
@@ -833,7 +833,7 @@ namespace GitHub.Services.WebApi
            {
                if (userState != null)
                {
-                    message.Options.Set(new HttpRequestOptionsKey<object>(UserStatePropertyName), userState);
+                    message.Properties[UserStatePropertyName] = userState;
                }
                
                if (!message.Headers.Contains(Common.Internal.HttpHeaders.VssE2EID))
@@ -842,11 +842,11 @@ namespace GitHub.Services.WebApi
                }
                VssHttpEventSource.Log.HttpRequestStart(traceActivity, message);
                message.Trace();
-                message.Options.Set(new HttpRequestOptionsKey<VssTraceActivity>(VssTraceActivity.PropertyName), traceActivity);
+                message.Properties[VssTraceActivity.PropertyName] = traceActivity;

                // Send the completion option to the inner handler stack so we know when it's safe to buffer
                // and when we should avoid buffering.
-                message.Options.Set(new HttpRequestOptionsKey<HttpCompletionOption>(VssHttpRequestSettings.HttpCompletionOptionPropertyName), completionOption);
+                message.Properties[VssHttpRequestSettings.HttpCompletionOptionPropertyName] = completionOption;

                //ConfigureAwait(false) enables the continuation to be run outside
                //any captured SyncronizationContext (such as ASP.NET's) which keeps things
--- a/src/Sdk/WebApi/WebApi/VssRequestTimerTrace.cs
+++ b/src/Sdk/WebApi/WebApi/VssRequestTimerTrace.cs
@@ -18,7 +18,7 @@ namespace GitHub.Services.WebApi
        {
            Object tracerObj = null;
            VssRequestTimerTrace tracer = null;
-            if (request.Options.TryGetValue(tracerKey, out tracerObj))
+            if (request.Properties.TryGetValue(tracerKey, out tracerObj))
            {
                tracer = tracerObj as VssRequestTimerTrace;
                Debug.Assert(tracer != null, "Tracer object is the wrong type!");
@@ -26,7 +26,7 @@ namespace GitHub.Services.WebApi
            else
            {
                tracer = new VssRequestTimerTrace();
-                request.Options.Set(new HttpRequestOptionsKey<VssRequestTimerTrace>(tracerKey), tracer);
+                request.Properties[tracerKey] = tracer;
            }

            if (tracer != null)
@@ -39,7 +39,7 @@ namespace GitHub.Services.WebApi
        {
            Object tracerObj = null;
            VssRequestTimerTrace tracer = null;
-            if (response.RequestMessage.Options.TryGetValue(tracerKey, out tracerObj))
+            if (response.RequestMessage.Properties.TryGetValue(tracerKey, out tracerObj))
            {
                tracer = tracerObj as VssRequestTimerTrace;
                Debug.Assert(tracer != null, "Tracer object is the wrong type!");
--- a/src/Test/L0/DotnetsdkDownloadScriptL0.cs
+++ b/src/Test/L0/DotnetsdkDownloadScriptL0.cs
@@ -2,6 +2,7 @@
 using System.IO;
 using System.Net.Http;
 using System.Threading.Tasks;
+using System;

 namespace GitHub.Runner.Common.Tests
 {
@@ -12,6 +13,12 @@ namespace GitHub.Runner.Common.Tests
        [Trait("Category", "Runner")]
        public async Task EnsureDotnetsdkBashDownloadScriptUpToDate()
        {
+            if ((DateTime.UtcNow.Month - 1) % 3 != 0)
+            {
+                // Only check these script once a quater.
+                return;
+            }
+
            string shDownloadUrl = "https://dot.net/v1/dotnet-install.sh";

            using (HttpClient downloadClient = new HttpClient())
@@ -36,6 +43,12 @@ namespace GitHub.Runner.Common.Tests
        [Trait("Category", "Runner")]
        public async Task EnsureDotnetsdkPowershellDownloadScriptUpToDate()
        {
+            if ((DateTime.UtcNow.Month - 1) % 3 != 0)
+            {
+                // Only check these script once a quater.
+                return;
+            }
+
            string ps1DownloadUrl = "https://dot.net/v1/dotnet-install.ps1";

            using (HttpClient downloadClient = new HttpClient())
--- a/src/Test/L0/Worker/ActionManagerL0.cs
+++ b/src/Test/L0/Worker/ActionManagerL0.cs
@@ -146,7 +146,7 @@ namespace GitHub.Runner.Common.Tests.Worker
                using var stream = File.OpenRead(archiveFile);
                var mockClientHandler = new Mock<HttpClientHandler>();
                mockClientHandler.Protected().Setup<Task<HttpResponseMessage>>("SendAsync", ItExpr.Is<HttpRequestMessage>(m => m.RequestUri == new Uri(expectedArchiveLink)), ItExpr.IsAny<CancellationToken>())
-                    .ReturnsAsync(() => new HttpResponseMessage(HttpStatusCode.OK) { Content = new StreamContent(stream) });
+                    .ReturnsAsync(new HttpResponseMessage(HttpStatusCode.OK) { Content = new StreamContent(stream) });

                var mockHandlerFactory = new Mock<IHttpClientHandlerFactory>();
                mockHandlerFactory.Setup(p => p.CreateClientHandler(It.IsAny<RunnerWebProxy>())).Returns(mockClientHandler.Object);
@@ -205,9 +205,9 @@ namespace GitHub.Runner.Common.Tests.Worker
                using var stream = File.OpenRead(archiveFile);
                var mockClientHandler = new Mock<HttpClientHandler>();
                mockClientHandler.Protected().Setup<Task<HttpResponseMessage>>("SendAsync", ItExpr.Is<HttpRequestMessage>(m => m.RequestUri == new Uri(builtInArchiveLink)), ItExpr.IsAny<CancellationToken>())
-                    .ReturnsAsync(() => new HttpResponseMessage(HttpStatusCode.NotFound));
+                    .ReturnsAsync(new HttpResponseMessage(HttpStatusCode.NotFound));
                mockClientHandler.Protected().Setup<Task<HttpResponseMessage>>("SendAsync", ItExpr.Is<HttpRequestMessage>(m => m.RequestUri == new Uri(dotcomArchiveLink)), ItExpr.IsAny<CancellationToken>())
-                    .ReturnsAsync(() => new HttpResponseMessage(HttpStatusCode.OK) { Content = new StreamContent(stream) });
+                    .ReturnsAsync(new HttpResponseMessage(HttpStatusCode.OK) { Content = new StreamContent(stream) });

                var mockHandlerFactory = new Mock<IHttpClientHandlerFactory>();
                mockHandlerFactory.Setup(p => p.CreateClientHandler(It.IsAny<RunnerWebProxy>())).Returns(mockClientHandler.Object);
@@ -265,7 +265,7 @@ namespace GitHub.Runner.Common.Tests.Worker
                using var stream = File.OpenRead(archiveFile);
                var mockClientHandler = new Mock<HttpClientHandler>();
                mockClientHandler.Protected().Setup<Task<HttpResponseMessage>>("SendAsync", ItExpr.IsAny<HttpRequestMessage>(), ItExpr.IsAny<CancellationToken>())
-                    .ReturnsAsync(() => new HttpResponseMessage(HttpStatusCode.NotFound));
+                    .ReturnsAsync(new HttpResponseMessage(HttpStatusCode.NotFound));

                var mockHandlerFactory = new Mock<IHttpClientHandlerFactory>();
                mockHandlerFactory.Setup(p => p.CreateClientHandler(It.IsAny<RunnerWebProxy>())).Returns(mockClientHandler.Object);
--- a/src/Test/Test.csproj
+++ b/src/Test/Test.csproj
@@ -1,6 +1,6 @@
 <Project Sdk="Microsoft.NET.Sdk">
    <PropertyGroup>
-        <TargetFramework>net5.0</TargetFramework>
+        <TargetFramework>netcoreapp3.1</TargetFramework>
        <RuntimeIdentifiers>win-x64;win-x86;linux-x64;linux-arm64;linux-arm;osx-x64</RuntimeIdentifiers>
        <TargetLatestRuntimePatch>true</TargetLatestRuntimePatch>
        <AssetTargetFallback>portable-net45+win8</AssetTargetFallback>
--- a/src/dev.sh
+++ b/src/dev.sh
@@ -17,7 +17,7 @@ LAYOUT_DIR="$SCRIPT_DIR/../_layout"
 DOWNLOAD_DIR="$SCRIPT_DIR/../_downloads/netcore2x"
 PACKAGE_DIR="$SCRIPT_DIR/../_package"
 DOTNETSDK_ROOT="$SCRIPT_DIR/../_dotnetsdk"
-DOTNETSDK_VERSION="5.0.100"
+DOTNETSDK_VERSION="3.1.302"
 DOTNETSDK_INSTALLDIR="$DOTNETSDK_ROOT/$DOTNETSDK_VERSION"
 RUNNER_VERSION=$(cat runnerversion)

--- a/src/dir.proj
+++ b/src/dir.proj
@@ -25,7 +25,7 @@
            <BuildConstants Include="}"/>
        </ItemGroup>

-        <WriteLinesToFile File="Runner.Sdk/BuildConstants.cs" Lines="@(BuildConstants)" Overwrite="true" Encoding="Unicode"/>
+        <WriteLinesToFile File="Runner.Sdk/BuildConstants.cs" Lines="@(BuildConstants)" Overwrite="true" />
    </Target>

    <ItemGroup>
--- a/src/global.json
+++ b/src/global.json
@@ -1,5 +1,5 @@
 {
  "sdk": {
-    "version": "5.0.100"
+    "version": "3.1.302"
  }
 }
--- a/src/runnerversion
+++ b/src/runnerversion
@@ -1 +1 @@
-2.276.0
+2.278.0
Author	SHA1	Message	Date
Tingluo Huang	62d926efce	Release 2.278.0 runner	2021-04-16 11:53:14 -04:00
eric sciple	fc4027b3f1	Bump version (#1048 )	2021-04-16 15:45:55 +00:00
eric sciple	d14881b970	do not trucate error message from template evaluation (#1038 )	2021-04-06 16:45:40 -04:00
David Wolf	be9632302c	Make FileShare ReadWrite (#1033 ) * Make FileShare ReadWrite * Update FileAccess to ReadWrite * Update dotnet-install.ps1 * Update dotnet-install.ps1 * Update dotnet-install.ps1 * Update dotnet-install.sh	2021-04-01 16:54:23 -04:00
Ross Brodbeck	2b5ddd7c21	Add a default BuildConstants and change encoding on save (#1026 )	2021-03-26 12:26:24 -04:00
eric sciple	8109c962f0	mask secrets with double-quotes when passed to docker command line (#1002 )	2021-03-05 15:17:55 -06:00
Tim Etchells	af198237ca	Delete script files before replacing during update (#984 ) * Delete script files before replacing during update Signed-off-by: Tim Etchells <tetchel@gmail.com> * Use IOUtil.DelteFile() Co-authored-by: Tingluo Huang <tingluohuang@github.com>	2021-02-22 23:38:15 -05:00
Alberto Gimeno	1559ff15ec	Use GITHUB_TOKEN for ghcr.io containers if credentials are not provided (#990 ) * Use GITHUB_TOKEN for ghcr.io containers if credentials are not provided * Use GITHUB_TOKEN also for containers in containers.pkg.github.com	2021-02-18 21:55:58 -05:00
Thomas Boop	67ff8d3460	Release 2.277.1 runner (#977 ) * Revert "Enable tty output from Docker Actions (#916)" `5972bd0060` * Release notes * add pr	2021-02-09 14:45:33 -05:00
Thomas Boop	6cbfbc3186	Add 2.277.0 release notes (#975 ) * add 2.276.2 release notes * major version these changes	2021-02-09 11:18:55 -05:00
Thomas Boop	195c2db5ef	Check Runner Zip Hash on Upgrade (#967 ) * Check Hash if it exists on runner update	2021-02-09 10:52:46 -05:00
Tingluo Huang	50994bbb3b	add --check to the output of run.sh --help. (#970 ) * add --check to the output of run.sh --help. * feedback.	2021-02-09 10:17:54 -05:00
Lucas Costi	7b03699fbe	`--check` strings grammar improvements (#972 )	2021-02-08 00:23:14 -05:00
Hollow Man	8a4cb76508	Fix typos (#969 ) accidentially -> accidentally neglible -> negligible	2021-02-05 13:29:43 -05:00
Yang Cao	bc3099793f	Display GITHUB_TOKEN permissions (#966 ) * Display GITHUB TOKEN permissions * Display permission list is best effort * Remove newtonsoft dependency	2021-02-04 23:10:00 -05:00
Santiago Roman	b76d229da0	Fix usage of /dev/null and ping flag in run.sh (#968 ) - Use /dev/null instead of nul - Use -c instead of -n as a ping flag to specify number of packets to be sent	2021-02-04 23:09:27 -05:00
TingluoHuang	fe3994bf1d	skip dotnet script testing.	2021-02-04 22:58:10 -05:00
TingluoHuang	0ae09e6713	Revert "update dotnet install script." This reverts commit `2b4d5542aa`.	2021-02-04 22:46:15 -05:00
TingluoHuang	2b4d5542aa	update dotnet install script.	2021-02-04 22:32:57 -05:00
Denis Baryshev	6b0f0c00b1	use correct exit code and delay on runner update in run.sh (#963 ) Fix runner update script	2021-02-04 22:12:55 -05:00
Tingluo Huang	09760c0d69	Trace process error in RunnerService.js (#955 )	2021-02-01 10:03:15 -05:00
Tingluo Huang	8f14466cbb	Add http POST to --check. (#949 ) * Add http POST to --check. * feedback.	2021-01-30 22:35:45 -05:00
Thomas Boop	fe8a56f81a	Generate SHA's for released packages and include them in package notes (#948 ) * Update release.yml Compute Sha's for release builds * Update release notes with shas * Update releaseNote.md * Update release.yml * Update release.yml * Update release.yml * Add Ability to Get Sha's * fix typo * remove debug code	2021-01-28 15:32:41 -05:00
Lokesh Gopu	59b30262ac	Update AgentPlatform for job timeline record (#939 ) * Update AgentPlatform for job timeline record * removed unused using	2021-01-25 11:14:28 -05:00
eric sciple	9efcec38cc	support authenticated package download (#920 )	2021-01-23 14:19:59 -05:00
Joel Dickson	5972bd0060	Enable tty output from Docker Actions (#916 ) * Update DockerCommandManager.cs * Update StepHost.cs Co-authored-by: Tingluo Huang <tingluohuang@github.com>	2021-01-21 22:35:57 -05:00
Thomas Boop	239cc0d7ca	prep 2.276.1 runner release (#929 )	2021-01-21 14:02:36 -05:00
Thomas Boop	3fb915450a	Runner v2.276.0 fixes (#928 ) * Revert "always use Fips Cryptography (#896)" `3b34e203dc` * Revert "Update ldd check with dotnet 5." `4b6ded0a01` * Revert "Update SDK to .NET 5 (#799)" `fc3ca9bb92` * Update dotnet-install scripts	2021-01-21 13:45:16 -05:00
Tingluo Huang	4b6ded0a01	Update ldd check with dotnet 5.	2021-01-15 09:14:55 -05:00
@@ -1 +1 @@
 .276.0
 .278.0