c

.github/workflows/build.yml

@@ -18,28 +18,12 @@ jobs:
   build:
     strategy:
       matrix:
-        runtime: [ linux-x64, linux-arm64, linux-arm, win-x64, osx-x64 ]
+        runtime: [ linux-x64 ]
         include:
         - runtime: linux-x64
           os: ubuntu-latest
           devScript: ./dev.sh
 
-        - runtime: linux-arm64
-          os: ubuntu-latest
-          devScript: ./dev.sh
-
-        - runtime: linux-arm
-          os: ubuntu-latest
-          devScript: ./dev.sh
-
-        - runtime: osx-x64
-          os: macOS-latest
-          devScript: ./dev.sh
-
-        - runtime: win-x64
-          os: windows-latest
-          devScript: ./dev
-
     runs-on: ${{ matrix.os }}
     steps:
     - uses: actions/checkout@v1
@@ -50,13 +34,6 @@ jobs:
         ${{ matrix.devScript }} layout Release ${{ matrix.runtime }}
       working-directory: src
 
-    # Run tests
-    - name: L0
-      run: |
-        ${{ matrix.devScript }} test
-      working-directory: src
-      if: matrix.runtime != 'linux-arm64' && matrix.runtime != 'linux-arm'
-
     # Create runner package tar.gz/zip
     - name: Package Release
       if: github.event_name != 'pull_request'
@@ -71,3 +48,18 @@ jobs:
       with:
         name: runner-package-${{ matrix.runtime }}
         path: _package
+    
+    - name: Build old version
+      run: |
+        echo 2.270.0 > runnerversion
+        ${{ matrix.devScript }} layout Release ${{ matrix.runtime }}
+        ${{ matrix.devScript }} package Release
+      working-directory: src
+
+    # Upload runner package tar.gz/zip as artifact
+    - name: Publish Artifact old
+      if: github.event_name != 'pull_request'
+      uses: actions/upload-artifact@v1
+      with:
+        name: runner-package-${{ matrix.runtime }}-old
+        path: _package

.github/workflows/release.yml

@@ -1,7 +1,6 @@
 name: Runner CD
 
 on:
-  workflow_dispatch:
   push:
     paths:
     - releaseVersion

Dockerfile

@@ -0,0 +1,57 @@
+FROM mcr.microsoft.com/dotnet/core/runtime-deps:3.1-buster-slim
+
+ENV RUNNER_CONFIG_URL=""
+ENV GITHUB_PAT=""
+ENV RUNNER_NAME=""
+ENV RUNNER_GROUP=""
+ENV RUNNER_LABELS=""
+# ENV GITHUB_RUNNER_SCOPE=""
+# ENV GITHUB_SERVER_URL=""
+# ENV GITHUB_API_URL=""
+# ENV K8S_HOST_IP=""
+
+RUN apt-get update --fix-missing \
+    && apt-get install -y --no-install-recommends \
+    curl \
+    jq \
+    apt-utils \
+    apt-transport-https \
+    unzip \
+    net-tools\
+    gnupg2\
+    && apt-get clean \
+    && rm -rf /var/lib/apt/lists/*
+
+# Install kubectl
+RUN curl -s https://packages.cloud.google.com/apt/doc/apt-key.gpg | apt-key add - && \
+    echo "deb https://apt.kubernetes.io/ kubernetes-xenial main" | tee -a /etc/apt/sources.list.d/kubernetes.list && \
+    apt-get update && apt-get -y install --no-install-recommends kubectl
+
+# Install docker
+RUN curl -fsSL https://get.docker.com -o get-docker.sh
+RUN sh get-docker.sh
+
+
+# Allow runner to run as root
+ENV RUNNER_ALLOW_RUNASROOT=1
+
+# Directory for runner to operate in
+RUN mkdir /actions-runner
+WORKDIR /actions-runner
+COPY ./src/Misc/download-runner.sh /actions-runner/download-runner.sh
+COPY ./src/Misc/entrypoint.sh /actions-runner/entrypoint.sh
+# COPY ./src/Misc/jobstart.sh /actions-runner/jobstart.sh
+# COPY ./src/Misc/jobrunning.sh /actions-runner/jobrunning.sh
+# COPY ./src/Misc/jobcomplete.sh /actions-runner/jobcomplete.sh
+COPY ./src/Misc/runner_lifecycle.sh /actions-runner/runner_lifecycle.sh
+
+RUN /actions-runner/download-runner.sh
+RUN rm -f /actions-runner/download-runner.sh
+
+# ENV _INTERNAL_JOBSTART_NOTIFICATION=/actions-runner/jobstart.sh
+# ENV _INTERNAL_JOBRUNNING_NOTIFICATION=/actions-runner/jobrunning.sh
+# ENV _INTERNAL_JOBCOMPLETE_NOTIFICATION=/actions-runner/jobcomplete.sh
+ENV _INTERNAL_RUNNER_LIFECYCLE_NOTIFICATION=/actions-runner/runner_lifecycle.sh
+
+
+ENTRYPOINT ["./entrypoint.sh"] 

Dockerfile.dind

@@ -0,0 +1,46 @@
+FROM docker:19.03
+
+# https://github.com/docker/docker/blob/master/project/PACKAGERS.md#runtime-dependencies
+RUN set -eux; \
+	apk add --no-cache \
+		btrfs-progs \
+		e2fsprogs \
+		e2fsprogs-extra \
+		iptables \
+		openssl \
+		shadow-uidmap \
+		xfsprogs \
+		xz \
+# pigz: https://github.com/moby/moby/pull/35697 (faster gzip implementation)
+		pigz \
+	; \
+# only install zfs if it's available for the current architecture
+# https://git.alpinelinux.org/cgit/aports/tree/main/zfs/APKBUILD?h=3.6-stable#n9 ("all !armhf !ppc64le" as of 2017-11-01)
+# "apk info XYZ" exits with a zero exit code but no output when the package exists but not for this arch
+	if zfs="$(apk info --no-cache --quiet zfs)" && [ -n "$zfs" ]; then \
+		apk add --no-cache zfs; \
+	fi
+
+# TODO aufs-tools
+
+# set up subuid/subgid so that "--userns-remap=default" works out-of-the-box
+RUN set -x \
+	&& addgroup -S dockremap \
+	&& adduser -S -G dockremap dockremap \
+	&& echo 'dockremap:165536:65536' >> /etc/subuid \
+	&& echo 'dockremap:165536:65536' >> /etc/subgid
+
+# https://github.com/docker/docker/tree/master/hack/dind
+ENV DIND_COMMIT ed89041433a031cafc0a0f19cfe573c31688d377
+
+RUN set -eux; \
+	wget -O /usr/local/bin/dind "https://raw.githubusercontent.com/docker/docker/${DIND_COMMIT}/hack/dind"; \
+	chmod +x /usr/local/bin/dind
+
+COPY dockerd-entrypoint.sh /usr/local/bin/
+
+VOLUME /var/lib/docker
+EXPOSE 6788 6789
+
+ENTRYPOINT ["dockerd-entrypoint.sh"]
+CMD []

README.md

@@ -6,7 +6,7 @@
 
 [![Actions Status](https://github.com/actions/runner/workflows/Runner%20CI/badge.svg)](https://github.com/actions/runner/actions)
 
-The runner is the application that runs a job from a GitHub Actions workflow. It is used by GitHub Actions in the [hosted virtual environments](https://github.com/actions/virtual-environments), or you can [self-host the runner](https://help.github.com/en/actions/automating-your-workflow-with-github-actions/about-self-hosted-runners) in your own environment.
+The runner is the application that runs a job from a GitHub Actions workflow.  The runner can run on the [hosted machine pools](https://github.com/actions/virtual-environments) or run on [self-hosted environments](https://help.github.com/en/actions/automating-your-workflow-with-github-actions/about-self-hosted-runners).
 
 ## Get Started
 

autoscalev0.yaml

@@ -0,0 +1,14 @@
+apiVersion: actions.summerwind.dev/v1alpha1
+kind: RunnerDeployment
+metadata:
+  name: auto-scale-runners
+spec:
+  replicas: 1
+  maxRunnerLimit: 5
+  template:
+    spec:
+      configURL: https://github.com/bbq-beets/ting-test
+      githubTokenSecretKeyRef:
+        name: githubtoken
+        key: GITHUB_PAT
+

deployment.yaml

@@ -0,0 +1,63 @@
+apiVersion: v1
+kind: Pod
+metadata:
+  name: runner-pod
+  labels:
+    name: runner-pod
+spec:
+  containers:
+  - name: runner-pod
+    image: huangtingluo/autoscale-runner:v0.0
+    imagePullPolicy: Always
+    env:
+      - name: GITHUB_PAT
+        value: 62c13e14e947958516c103a9584f66227697c447
+      - name: GITHUB_RUNNER_SCOPE
+        value: monalisa/main123
+      - name: K8S_HOST_IP
+        value: "192.168.120.1"
+
+# apiVersion: apps/v1
+# kind: Deployment
+# metadata:
+#   name: runner-deployment
+# spec:
+#   replicas: 1
+#   selector:
+#     matchLabels:
+#       app: runners
+#   template:
+#     metadata:
+#       labels:
+#         app: runners
+#     spec:
+#       # hostNetwork: true
+#       # volumes:
+#       # - name: docker-storage
+#       #   emptyDir: {}
+#       # containers:
+#       # - name: docker-host
+#       #   image: docker:18.05-dind
+#       #   imagePullPolicy: Always
+#       #   securityContext:
+#       #     privileged: true
+#       #   volumeMounts:
+#       #   - name: docker-storage
+#       #     mountPath: /var/lib/docker
+
+#       # hostNetwork: true
+#       containers:
+#       - name: runner
+#         image: huangtingluo/autoscale-runner:v0.0
+#         imagePullPolicy: Always
+#         env:
+#           - name: GITHUB_PAT
+#             value: 62c13e14e947958516c103a9584f66227697c447
+#           - name: GITHUB_RUNNER_SCOPE
+#             value: monalisa/main123
+#           - name: K8S_HOST_IP
+#             value: "192.168.120.1"
+#         resources:
+#           limits:
+#             memory: "128Mi"
+#             cpu: "500m"

dockerd-entrypoint.sh

@@ -0,0 +1,186 @@
+#!/bin/sh
+set -eu
+
+_tls_ensure_private() {
+	local f="$1"; shift
+	[ -s "$f" ] || openssl genrsa -out "$f" 4096
+}
+_tls_san() {
+	{
+		ip -oneline address | awk '{ gsub(/\/.+$/, "", $4); print "IP:" $4 }'
+		{
+			cat /etc/hostname
+			echo 'docker'
+			echo 'localhost'
+			hostname -f
+			hostname -s
+		} | sed 's/^/DNS:/'
+		[ -z "${DOCKER_TLS_SAN:-}" ] || echo "$DOCKER_TLS_SAN"
+	} | sort -u | xargs printf '%s,' | sed "s/,\$//"
+}
+_tls_generate_certs() {
+	local dir="$1"; shift
+
+	# if ca/key.pem || !ca/cert.pem, generate CA public if necessary
+	# if ca/key.pem, generate server public
+	# if ca/key.pem, generate client public
+	# (regenerating public certs every startup to account for SAN/IP changes and/or expiration)
+
+	# https://github.com/FiloSottile/mkcert/issues/174
+	local certValidDays='825'
+
+	if [ -s "$dir/ca/key.pem" ] || [ ! -s "$dir/ca/cert.pem" ]; then
+		# if we either have a CA private key or do *not* have a CA public key, then we should create/manage the CA
+		mkdir -p "$dir/ca"
+		_tls_ensure_private "$dir/ca/key.pem"
+		openssl req -new -key "$dir/ca/key.pem" \
+			-out "$dir/ca/cert.pem" \
+			-subj '/CN=docker:dind CA' -x509 -days "$certValidDays"
+	fi
+
+	if [ -s "$dir/ca/key.pem" ]; then
+		# if we have a CA private key, we should create/manage a server key
+		mkdir -p "$dir/server"
+		_tls_ensure_private "$dir/server/key.pem"
+		openssl req -new -key "$dir/server/key.pem" \
+			-out "$dir/server/csr.pem" \
+			-subj '/CN=docker:dind server'
+		cat > "$dir/server/openssl.cnf" <<-EOF
+			[ x509_exts ]
+			subjectAltName = $(_tls_san)
+		EOF
+		openssl x509 -req \
+				-in "$dir/server/csr.pem" \
+				-CA "$dir/ca/cert.pem" \
+				-CAkey "$dir/ca/key.pem" \
+				-CAcreateserial \
+				-out "$dir/server/cert.pem" \
+				-days "$certValidDays" \
+				-extfile "$dir/server/openssl.cnf" \
+				-extensions x509_exts
+		cp "$dir/ca/cert.pem" "$dir/server/ca.pem"
+		openssl verify -CAfile "$dir/server/ca.pem" "$dir/server/cert.pem"
+	fi
+
+	if [ -s "$dir/ca/key.pem" ]; then
+		# if we have a CA private key, we should create/manage a client key
+		mkdir -p "$dir/client"
+		_tls_ensure_private "$dir/client/key.pem"
+		chmod 0644 "$dir/client/key.pem" # openssl defaults to 0600 for the private key, but this one needs to be shared with arbitrary client contexts
+		openssl req -new \
+				-key "$dir/client/key.pem" \
+				-out "$dir/client/csr.pem" \
+				-subj '/CN=docker:dind client'
+		cat > "$dir/client/openssl.cnf" <<-'EOF'
+			[ x509_exts ]
+			extendedKeyUsage = clientAuth
+		EOF
+		openssl x509 -req \
+				-in "$dir/client/csr.pem" \
+				-CA "$dir/ca/cert.pem" \
+				-CAkey "$dir/ca/key.pem" \
+				-CAcreateserial \
+				-out "$dir/client/cert.pem" \
+				-days "$certValidDays" \
+				-extfile "$dir/client/openssl.cnf" \
+				-extensions x509_exts
+		cp "$dir/ca/cert.pem" "$dir/client/ca.pem"
+		openssl verify -CAfile "$dir/client/ca.pem" "$dir/client/cert.pem"
+	fi
+}
+
+# no arguments passed
+# or first arg is `-f` or `--some-option`
+if [ "$#" -eq 0 ] || [ "${1#-}" != "$1" ]; then
+	# set "dockerSocket" to the default "--host" *unix socket* value (for both standard or rootless)
+	uid="$(id -u)"
+	if [ "$uid" = '0' ]; then
+		dockerSocket='unix:///var/run/docker.sock'
+	else
+		# if we're not root, we must be trying to run rootless
+		: "${XDG_RUNTIME_DIR:=/run/user/$uid}"
+		dockerSocket="unix://$XDG_RUNTIME_DIR/docker.sock"
+	fi
+	case "${DOCKER_HOST:-}" in
+		unix://*)
+			dockerSocket="$DOCKER_HOST"
+			;;
+	esac
+
+	# add our default arguments
+	if [ -n "${DOCKER_TLS_CERTDIR:-}" ] \
+		&& _tls_generate_certs "$DOCKER_TLS_CERTDIR" \
+		&& [ -s "$DOCKER_TLS_CERTDIR/server/ca.pem" ] \
+		&& [ -s "$DOCKER_TLS_CERTDIR/server/cert.pem" ] \
+		&& [ -s "$DOCKER_TLS_CERTDIR/server/key.pem" ] \
+	; then
+		# generate certs and use TLS if requested/possible (default in 19.03+)
+		set -- dockerd \
+			--host="$dockerSocket" \
+			--host=tcp://0.0.0.0:6789 \
+			--tlsverify \
+			--tlscacert "$DOCKER_TLS_CERTDIR/server/ca.pem" \
+			--tlscert "$DOCKER_TLS_CERTDIR/server/cert.pem" \
+			--tlskey "$DOCKER_TLS_CERTDIR/server/key.pem" \
+			"$@"
+		DOCKERD_ROOTLESS_ROOTLESSKIT_FLAGS="${DOCKERD_ROOTLESS_ROOTLESSKIT_FLAGS:-} -p 0.0.0.0:6789:6789/tcp"
+	else
+		# TLS disabled (-e DOCKER_TLS_CERTDIR='') or missing certs
+		set -- dockerd \
+			--host="$dockerSocket" \
+			--host=tcp://0.0.0.0:6788 \
+			"$@"
+		DOCKERD_ROOTLESS_ROOTLESSKIT_FLAGS="${DOCKERD_ROOTLESS_ROOTLESSKIT_FLAGS:-} -p 0.0.0.0:6788:6788/tcp"
+	fi
+fi
+
+if [ "$1" = 'dockerd' ]; then
+	# explicitly remove Docker's default PID file to ensure that it can start properly if it was stopped uncleanly (and thus didn't clean up the PID file)
+	find /run /var/run -iname 'docker*.pid' -delete || :
+
+	uid="$(id -u)"
+	if [ "$uid" != '0' ]; then
+		# if we're not root, we must be trying to run rootless
+		if ! command -v rootlesskit > /dev/null; then
+			echo >&2 "error: attempting to run rootless dockerd but missing 'rootlesskit' (perhaps the 'docker:dind-rootless' image variant is intended?)"
+			exit 1
+		fi
+		user="$(id -un 2>/dev/null || :)"
+		if ! grep -qE "^($uid${user:+|$user}):" /etc/subuid || ! grep -qE "^($uid${user:+|$user}):" /etc/subgid; then
+			echo >&2 "error: attempting to run rootless dockerd but missing necessary entries in /etc/subuid and/or /etc/subgid for $uid"
+			exit 1
+		fi
+		: "${XDG_RUNTIME_DIR:=/run/user/$uid}"
+		export XDG_RUNTIME_DIR
+		if ! mkdir -p "$XDG_RUNTIME_DIR" || [ ! -w "$XDG_RUNTIME_DIR" ] || ! mkdir -p "$HOME/.local/share/docker" || [ ! -w "$HOME/.local/share/docker" ]; then
+			echo >&2 "error: attempting to run rootless dockerd but need writable HOME ($HOME) and XDG_RUNTIME_DIR ($XDG_RUNTIME_DIR) for user $uid"
+			exit 1
+		fi
+		if [ -f /proc/sys/kernel/unprivileged_userns_clone ] && unprivClone="$(cat /proc/sys/kernel/unprivileged_userns_clone)" && [ "$unprivClone" != '1' ]; then
+			echo >&2 "error: attempting to run rootless dockerd but need 'kernel.unprivileged_userns_clone' (/proc/sys/kernel/unprivileged_userns_clone) set to 1"
+			exit 1
+		fi
+		if [ -f /proc/sys/user/max_user_namespaces ] && maxUserns="$(cat /proc/sys/user/max_user_namespaces)" && [ "$maxUserns" = '0' ]; then
+			echo >&2 "error: attempting to run rootless dockerd but need 'user.max_user_namespaces' (/proc/sys/user/max_user_namespaces) set to a sufficiently large value"
+			exit 1
+		fi
+		# TODO overlay support detection?
+		exec rootlesskit \
+			--net="${DOCKERD_ROOTLESS_ROOTLESSKIT_NET:-vpnkit}" \
+			--mtu="${DOCKERD_ROOTLESS_ROOTLESSKIT_MTU:-1500}" \
+			--disable-host-loopback \
+			--port-driver=builtin \
+			--copy-up=/etc \
+			--copy-up=/run \
+			${DOCKERD_ROOTLESS_ROOTLESSKIT_FLAGS:-} \
+			"$@"
+	elif [ -x '/usr/local/bin/dind' ]; then
+		# if we have the (mostly defunct now) Docker-in-Docker wrapper script, use it
+		set -- '/usr/local/bin/dind' "$@"
+	fi
+else
+	# if it isn't `dockerd` we're trying to run, pass it through `docker-entrypoint.sh` so it gets `DOCKER_HOST` set appropriately too
+	set -- docker-entrypoint.sh "$@"
+fi
+
+exec "$@"

docs/adrs/0549-composite-run-steps.md

@@ -16,32 +16,11 @@ We don't want the workflow author to need to know how the internal workings of t
 
 A composite action is treated as **one** individual job step (this is known as encapsulation).
 
+
 ## Decision
 
 **In this ADR, we only support running multiple run steps in an Action.** In doing so, we build in support for mapping and flowing the inputs, outputs, and env variables (ex: All nested steps should have access to its parents' input variables and nested steps can overwrite the input variables).
 
-### Composite Run Steps Features
-This feature supports at the top action level:
-- name
-- description
-- inputs
-- runs
-- outputs
-
-This feature supports at the run step level:
-- name
-- id
-- run
-- env
-- shell
-- working-directory
-
-This feature **does not support** at the run step level:
-- timeout-minutes
-- secrets
-- conditionals (needs, if, etc.)
-- continue-on-error
-
 ### Steps
 
 Example `workflow.yml`
@@ -70,9 +49,7 @@ runs:
   using: "composite"
   steps:
     - run: pip install -r requirements.txt
-      shell: bash
     - run: npm install
-      shell: bash
 ```
 
 Example Output
@@ -86,69 +63,6 @@ echo hello world 4
 
 We add a token called "composite" which allows our Runner code to process composite actions. By invoking "using: composite", our Runner code then processes the "steps" attribute, converts this template code to a list of steps, and finally runs each run step sequentially. If any step fails and there are no `if` conditions defined, the whole composite action job fails. 
 
-### Defaults
-
-We will not support "defaults" in a composite action. 
-
-### Shell and Working-directory
-
-For each run step in a composite action, the action author can set the `shell` and `working-directory` attributes for that step. The shell attribute is **required** for each run step because the action author does not know what the workflow author is using for the operating system so we need to explicitly prevent unknown behavior by making sure that each run step has an explicit shell **set by the action author.** On the other hand, `working-directory` is optional. Moreover, the composite action author can map in values from the `inputs` for it's `shell` and `working-directory` attributes at the step level for an action. 
-
-For example,
-
-`action.yml`
-
-
-```yaml
-inputs:
-  shell_1:
-    description: 'Your name'
-    default: 'pwsh'
-steps:
-  - run: echo 1
-    shell: ${{ inputs.shell_1 }}
-```
-
-Note, the workflow file and action file are treated as separate entities. **So, the workflow `defaults` will never change the `shell` and `working-directory` value in the run steps in a composite action.** Note, `defaults` in a workflow only apply to run steps not "uses" steps (steps that use an action).
-
-### Running Local Scripts
-
-Example 'workflow.yml':
-```yaml
-jobs:
-  build:
-    runs-on: self-hosted
-    steps:
-    - uses: user/composite@v1
-```
-
-Example `user/composite/action.yml`:
-
-```yaml
-runs:
-  using: "composite"
-  steps: 
-    - run: chmod +x ${{ github.action_path }}/test/script2.sh
-      shell: bash
-    - run: chmod +x $GITHUB_ACTION_PATH/script.sh
-      shell: bash
-    - run: ${{ github.action_path }}/test/script2.sh
-      shell: bash
-    - run: $GITHUB_ACTION_PATH/script.sh
-      shell: bash
-```
-Where `user/composite` has the file structure:
-```
-.
-+-- action.yml
-+-- script.sh
-+-- test
-|   +-- script2.sh
-```
-
-
-Users will be able to run scripts located in their action folder by first prepending the relative path and script name with `$GITHUB_ACTION_PATH` or `github.action_path` which contains the path in which the composite action is downloaded to and where those "files" live. Note, you'll have to use `chmod` before running each script if you do not git check in your script files into your github repo with the executable bit turned on.
-
 ### Inputs
 
 Example `workflow.yml`:
@@ -172,7 +86,6 @@ runs:
   using: "composite"
   steps: 
     - run: echo hello ${{ inputs.your_name }}
-      shell: bash
 ```
 
 Example Output:
@@ -193,7 +106,6 @@ steps:
   - id: foo
     uses: user/composite@v1
   - run: echo random-number ${{ steps.foo.outputs.random-number }} 
-    shell: bash
 ```
 
 Example `user/composite/action.yml`:
@@ -207,8 +119,7 @@ runs:
   using: "composite"
   steps: 
     - id: random-number-generator
-      run: echo "::set-output name=random-id::$(echo $RANDOM)"
-      shell: bash
+      run: echo "::set-output name=random-number::$(echo $RANDOM)"
 ```
 
 Example Output:
@@ -232,17 +143,13 @@ In the Composite Action, you'll only be able to use `::set-env::` to set environ
 
 ### Secrets
 
-**We will not support "Secrets" in a composite action for now. This functionality will be focused on in a future ADR.**
+**Note** : This feature will be focused on in a future ADR.
 
 We'll pass the secrets from the composite action's parents (ex: the workflow file) to the composite action. Secrets can be created in the composite action with the secrets context. In the actions yaml, we'll automatically mask the secret. 
 
 
 ### If Condition
 
-** If and needs conditions will not be supported in the composite run steps feature. It will be supported later on in a new feature. **
-
-Old reasoning:
-
 Example `workflow.yml`:
 
 ```yaml
@@ -259,18 +166,12 @@ runs:
   using: "composite"
   steps:
     - run: echo "just succeeding"
-      shell: bash
     - run: echo "I will run, as my current scope is succeeding"
-      shell: bash
       if: success()
     - run: exit 1
-      shell: bash
     - run: echo "I will not run, as my current scope is now failing"
-      shell: bash
 ```
 
-**We will not support "if Condition" in a composite action for now. This functionality will be focused on in a future ADR.**
-
 See the paragraph below for a rudimentary approach (thank you to @cybojenix for the idea, example, and explanation for this approach):
 
 The `if` statement in the parent (in the example above, this is the `workflow.yml`) shows whether or not we should run the composite action. So, our composite action will run since the `if` condition for running the composite action is `always()`.
@@ -302,18 +203,13 @@ runs:
     - id: foo1
       run: echo test 1
       timeout-minutes: 10
-      shell: bash
     - id: foo2
       run: echo test 2
-      shell: bash
     - id: foo3
       run: echo test 3
       timeout-minutes: 10
-      shell: bash
 ```
 
-**We will not support "timeout-minutes" in a composite action for now. This functionality will be focused on in a future ADR.**
-
 A composite action in its entirety is a job. You can set both timeout-minutes for the whole composite action or its steps as long as the the sum of the `timeout-minutes` for each composite action step that has the attribute `timeout-minutes` is less than or equals to `timeout-minutes` for the composite action. There is no default timeout-minutes for each composite action step. 
 
 If the time taken for any of the steps in combination or individually exceed the whole composite action `timeout-minutes` attribute, the whole job will fail (1). If an individual step exceeds its own `timeout-minutes` attribute but the total time that has been used including this step is below the overall composite action `timeout-minutes`, the individual step will fail but the rest of the steps will run based on their own `timeout-minutes` attribute (they will still abide by condition (1) though).
@@ -347,17 +243,36 @@ runs:
   steps: 
     - run: exit 1
       continue-on-error: true
-      shell: bash
     - run: echo "Hello World 2" <----- This step will run
-      shell: bash
 ```
 
-**We will not support "continue-on-error" in a composite action for now. This functionality will be focused on in a future ADR.**
-
 If any of the steps fail in the composite action and the `continue-on-error` is set to `false` for the whole composite action step in the workflow file, then the steps below it will run. On the flip side, if `continue-on-error` is set to `true` for the whole composite action step in the workflow file, the next job step will run.
 
 For the composite action steps, it follows the same logic as above. In this example, `"Hello World 2"` will be outputted because the previous step has `continue-on-error` set to `true` although that previous step errored. 
 
+### Defaults
+We will not support "defaults" in a composite action. 
+
+### Shell and Working-directory
+For each run step in a composite action, the action author can set the `shell` and `working-directory` attributes for that step. These attributes are optional for each run step - by default, the `shell` is set to whatever default value is associated with the runner os (ex: bash =\> Mac). Moreover, the composite action author can map in values from the `inputs` for it's `shell` and `working-directory` attributes at the step level for an action. 
+
+For example,
+
+`action.yml`
+
+
+```yaml
+inputs:
+  shell_1:
+    description: 'Your name'
+    default: 'pwsh'
+steps:
+  - run: echo 1
+    shell: ${{ inputs.shell_1 }}
+```
+
+Note, the workflow file and action file are treated as separate entities. **So, the workflow `defaults` will never change the `shell` and `working-directory` value in the run steps in a composite action.** Note, `defaults` in a workflow only apply to run steps not "uses" steps (steps that use an action).
+
 ### Visualizing Composite Action in the GitHub Actions UI
 We want all the composite action's steps to be condensed into the original composite action node. 
 

ephemeralJob.yaml

@@ -0,0 +1,48 @@
+apiVersion: batch.github.actions/v1
+kind: CronJob
+metadata:
+    name: cronjob-sample
+spec:
+  schedule: "*/1 * * * *"
+  jobTemplate:
+    spec:
+      template:
+        spec:
+          hostNetwork: true
+          containers:
+          - name: k8srunner
+            image: huangtingluo/autoscale-runner:v0.0
+            imagePullPolicy: Always
+            env:
+              - name: GITHUB_PAT
+                value: 62c13e14e947958516c103a9584f66227697c447
+              - name: GITHUB_RUNNER_SCOPE
+                value: monalisa/main123
+          restartPolicy: Never
+        # spec:
+        #   containers:
+        #   - name: hello
+        #     image: busybox
+        #     args:
+        #     - /bin/sh
+        #     - -c
+        #     - date; echo Hello from the Kubernetes cluster
+        #   restartPolicy: Never
+  # jobTemplate:
+  #   spec:
+  #     template:
+  #       spec:
+  #         hostNetwork: true
+  #         containers:
+  #         - name: k8srunner
+  #           image: huangtingluo/autoscale-runner:v0.0
+  #           imagePullPolicy: Always
+  #           env:
+  #             - name: GITHUB_PAT
+  #               value: 62c13e14e947958516c103a9584f66227697c447
+  #             - name: GITHUB_RUNNER_SCOPE
+  #               value: monalisa/main123
+  #         restartPolicy: Never
+  #     backoffLimit: 1
+  #     completions: 0
+  #     parallelism: 3

hpa-v2.yaml

@@ -0,0 +1,56 @@
+apiVersion: v1
+items:
+- apiVersion: autoscaling/v2beta2
+  kind: HorizontalPodAutoscaler
+  metadata:
+    creationTimestamp: "2020-08-05T19:14:04Z"
+    name: runner-deployment
+    namespace: default
+    resourceVersion: "167447"
+    selfLink: /apis/autoscaling/v2beta2/namespaces/default/horizontalpodautoscalers/runner-deployment
+    uid: 54d86943-eca9-468c-9698-c843f6b6183a
+  spec:
+    maxReplicas: 10
+    metrics:
+    - type: Object
+      object:
+        metric:
+          name: test-metric
+        describedObject:
+          apiVersion: v1
+          kind: Service
+          name: kubernetes
+        target:
+          type: Value
+          value: 300m
+    - resource:
+        name: cpu
+        target:
+          averageUtilization: 50
+          type: Utilization
+      type: Resource
+    minReplicas: 1
+    scaleTargetRef:
+      apiVersion: apps/v1
+      kind: Deployment
+      name: runner-deployment
+  status:
+    conditions:
+    - lastTransitionTime: "2020-08-05T19:14:19Z"
+      message: the HPA controller was able to get the target's current scale
+      reason: SucceededGetScale
+      status: "True"
+      type: AbleToScale
+    - lastTransitionTime: "2020-08-05T19:14:19Z"
+      message: 'the HPA was unable to compute the replica count: unable to get metrics
+        for resource cpu: no metrics returned from resource metrics API'
+      reason: FailedGetResourceMetric
+      status: "False"
+      type: ScalingActive
+    currentMetrics: null
+    currentReplicas: 1
+    desiredReplicas: 0
+kind: List
+metadata:
+  resourceVersion: ""
+  selfLink: ""

job.yaml

@@ -0,0 +1,92 @@
+apiVersion: rbac.authorization.k8s.io/v1
+kind: Role
+metadata:
+  name: pod-admin
+  namespace: default
+rules:
+- apiGroups: [ "" ]
+  resources: [ "pods", "pods/ephemeralcontainers", "pods/log", "pods/attach", "pods/exec"]
+  verbs: ["get", "list", "watch", "create", "update", "patch", "delete"]
+
+---
+
+apiVersion: rbac.authorization.k8s.io/v1
+kind: RoleBinding
+metadata:
+  name: default-pod-admin
+  namespace: default
+roleRef:
+  apiGroup: rbac.authorization.k8s.io
+  kind: Role
+  name: pod-admin
+subjects:
+- kind: ServiceAccount
+  name: default
+  namespace: default
+
+---
+
+apiVersion: batch/v1
+kind: Job
+metadata:
+    namespace: default
+    name: actions-runners
+spec:
+  template:
+    spec:
+      # hostNetwork: true
+      volumes:
+      - name: docker-storage
+        emptyDir: {}
+      - name: runner-working
+        emptyDir: {}
+      containers:
+      - name: docker-host
+        image: docker:18.05-dind
+        imagePullPolicy: Always
+        securityContext:
+          privileged: true
+        volumeMounts:
+        - name: docker-storage
+          mountPath: /var/lib/docker
+        - mountPath: /actions-runner/_work
+          name: runner-working
+      - name: k8srunner
+        image: huangtingluo/autoscale-runner:v0.0
+        volumeMounts:
+          - mountPath: /actions-runner/_work
+            name: runner-working
+        imagePullPolicy: Always
+        env:
+          - name: GITHUB_PAT
+            value: 62c13e14e947958516c103a9584f66227697c447
+          - name: GITHUB_RUNNER_SCOPE
+            value: monalisa/main123
+          - name: K8S_HOST_IP
+            value: "192.168.120.1"
+          - name: DOCKER_HOST
+            value: tcp://localhost:2375
+          - name: K8S_NODE_NAME
+            valueFrom:
+              fieldRef:
+                fieldPath: spec.nodeName
+          - name: K8S_POD_NAME
+            valueFrom:
+              fieldRef:
+                fieldPath: metadata.name
+          - name: K8S_POD_NAMESPACE
+            valueFrom:
+              fieldRef:
+                fieldPath: metadata.namespace
+          - name: K8S_POD_IP
+            valueFrom:
+              fieldRef:
+                fieldPath: status.podIP
+          - name: K8S_POD_SERVICE_ACCOUNT
+            valueFrom:
+              fieldRef:
+                fieldPath: spec.serviceAccountName
+      restartPolicy: Never
+  backoffLimit: 1
+  completions: 20
+  parallelism: 3

prereq.yaml

@@ -0,0 +1,34 @@
+---
+apiVersion: rbac.authorization.k8s.io/v1
+kind: Role
+metadata:
+  namespace: default
+  name: pod-patcher
+rules:
+- apiGroups: [""] # "" indicates the core API group
+  resources: ["pods"]
+  verbs: ["get", "watch", "list", "patch"]
+
+---
+apiVersion: rbac.authorization.k8s.io/v1
+kind: RoleBinding
+metadata:
+  name: default-pod-patcher
+  namespace: default
+roleRef:
+  apiGroup: rbac.authorization.k8s.io
+  kind: Role
+  name: pod-patcher
+subjects:
+- kind: ServiceAccount
+  name: default
+  namespace: default
+
+---
+apiVersion: v1
+kind: Secret
+metadata:
+  name: githubtoken
+type: Opaque
+stringData:
+  GITHUB_PAT: "xxx"

releaseNote.md

@@ -1,11 +1,18 @@
 ## Features
-  - Allow registry credentials for job/service containers (#694) 
-
+  - Resolve action download info from server (#508, #515, #550)
+  - Print runner and machine name to log. (#539)
 ## Bugs
-  - N/A
-
+  - Reduce input validation warnings (#506) 
+  - Fix null ref exception in SecretMasker caused by `hashfiles` timeout. (#516)
+  - Add libicu66 to `./installDependencies.sh` for Ubuntu 20.04 (#535)
+  - Fix DataContract with Token service (#532)
+  - Skip search $PATH on command with fully qualified path (#526)
+  - Restore SELinux context on service file when SELinux is enabled (#525)
 ## Misc
-  - N/A
+  - Remove SPS/Token migration code. Remove GHES url manipulate code. (#513) 
+  - Add sub-step for developer flow for clarity (#523)
+  - Update Links and Language to Git + VSCode (#522)
+  - Update runner configuration exception message (#540)
 
 ## 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.

releaseVersion

@@ -1 +1 @@
-2.273.4
+<Update to ./src/runnerversion when creating release>

runner.yaml

@@ -0,0 +1,12 @@
+apiVersion: actions.github.com/v1alpha1
+kind: Runner
+metadata:
+  name: auto-scale-runners
+spec:
+  organization: monalisa
+  group: default
+  repository: main123
+  githubAdminToken: 62c13e14e947958516c103a9584f66227697c447
+  env:
+    - name: K8S_HOST_IP
+      value: "192.168.120.1"

runners.yaml

@@ -0,0 +1,46 @@
+apiVersion: actions.github.com/v1alpha1
+kind: AutoScaleRunner
+metadata:
+  name: auto-scale-runners
+spec:
+  minReplicas: 1
+  maxReplicas: 5
+  configURL: https://github.com/TingluoHuang/example-services
+  githubTokenSecretKeyRef:
+    name: githubtoken
+    key: GITHUB_PAT
+  template:
+    spec:
+      setupDockerInDocker: true
+      imagePullPolicy: Always
+  runnerUpdateHandler:
+    containers:
+    - name: update-image
+      image: huangtingluo/workflow_dispatch:latest
+      imagePullPolicy: Always
+      env:
+        - name: GITHUB_TOKEN
+          valueFrom: 
+            secretKeyRef:
+              name: githubtoken
+              key: GITHUB_PAT
+        - name: GITHUB_OWNER
+          value: tingluohuang
+        - name: GITHUB_REPO
+          value: "workflow_dispatch"
+        - name: GITHUB_EXTRA_CURL_ARG
+          value: "-v"
+        - name: GITHUB_WORKFLOW
+          value: "2539181"
+        - name: GITHUB_WORKFLOW_INPUTS
+          value: "{\"test_input\":\"test\"}"
+    
+        # - name: GITHUB_REPO
+        #   value: "k8s-runner-image"
+        # - name: GITHUB_EXTRA_CURL_ARG
+        #   value: "-v"
+        # - name: GITHUB_WORKFLOW
+        #   value: "docker-publish.yml"
+        # - name: GITHUB_WORKFLOW_INPUTS
+        #   value: "{\"runnerDownloadUrl\":\"https://github.com/TingluoHuang/runner/releases/download/test/actions-runner-linux-x64-2.299.0.tar.gz\"}"
+    

src/Misc/dotnet-install.ps1

@@ -69,8 +69,6 @@
 .PARAMETER ProxyUseDefaultCredentials
     Default: false
     Use default credentials, when using proxy address.
-.PARAMETER ProxyBypassList
-    If set with ProxyAddress, will provide the list of comma separated urls that will bypass the proxy
 .PARAMETER SkipNonVersionedFiles
     Default: false
     Skips installing non-versioned files if they already exist, such as dotnet.exe.
@@ -98,7 +96,6 @@ param(
    [string]$FeedCredential,
    [string]$ProxyAddress,
    [switch]$ProxyUseDefaultCredentials,
-   [string[]]$ProxyBypassList=@(),
    [switch]$SkipNonVersionedFiles,
    [switch]$NoCdn
 )
@@ -122,27 +119,11 @@ $VersionRegEx="/\d+\.\d+[^/]+/"
 $OverrideNonVersionedFiles = !$SkipNonVersionedFiles
 
 function Say($str) {
-    try
-    {
-        Write-Host "dotnet-install: $str"
-    }
-    catch
-    {
-        # Some platforms cannot utilize Write-Host (Azure Functions, for instance). Fall back to Write-Output
-        Write-Output "dotnet-install: $str"
-    }
+    Write-Host "dotnet-install: $str"
 }
 
 function Say-Verbose($str) {
-    try
-    {
-        Write-Verbose "dotnet-install: $str"
-    }
-    catch
-    {
-        # Some platforms cannot utilize Write-Verbose (Azure Functions, for instance). Fall back to Write-Output
-        Write-Output "dotnet-install: $str"
-    }
+    Write-Verbose "dotnet-install: $str"
 }
 
 function Say-Invocation($Invocation) {
@@ -256,11 +237,7 @@ function GetHTTPResponse([Uri] $Uri)
 
             if($ProxyAddress) {
                 $HttpClientHandler = New-Object System.Net.Http.HttpClientHandler
-                $HttpClientHandler.Proxy =  New-Object System.Net.WebProxy -Property @{
-                    Address=$ProxyAddress;
-                    UseDefaultCredentials=$ProxyUseDefaultCredentials;
-                    BypassList = $ProxyBypassList;
-                }
+                $HttpClientHandler.Proxy =  New-Object System.Net.WebProxy -Property @{Address=$ProxyAddress;UseDefaultCredentials=$ProxyUseDefaultCredentials}
                 $HttpClient = New-Object System.Net.Http.HttpClient -ArgumentList $HttpClientHandler
             }
             else {
@@ -718,10 +695,10 @@ Say "Installation finished"
 exit 0
 
 # SIG # Begin signature block
-# MIIjlgYJKoZIhvcNAQcCoIIjhzCCI4MCAQExDzANBglghkgBZQMEAgEFADB5Bgor
+# MIIjhwYJKoZIhvcNAQcCoIIjeDCCI3QCAQExDzANBglghkgBZQMEAgEFADB5Bgor
 # BgEEAYI3AgEEoGswaTA0BgorBgEEAYI3AgEeMCYCAwEAAAQQH8w7YFlLCE63JNLG
-# KX7zUQIBAAIBAAIBAAIBAAIBADAxMA0GCWCGSAFlAwQCAQUABCCXdb9pJ+MI1iFd
-# 2hUVOaNmZYt6e48+bQNJm9/Rbj3u3qCCDYUwggYDMIID66ADAgECAhMzAAABiK9S
+# KX7zUQIBAAIBAAIBAAIBAAIBADAxMA0GCWCGSAFlAwQCAQUABCAiKYSY4KtkeThH
+# d5M1aXqv1K0/pff07QwfUbYZ/qX5LqCCDYUwggYDMIID66ADAgECAhMzAAABiK9S
 # 1rmSbej5AAAAAAGIMA0GCSqGSIb3DQEBCwUAMH4xCzAJBgNVBAYTAlVTMRMwEQYD
 # VQQIEwpXYXNoaW5ndG9uMRAwDgYDVQQHEwdSZWRtb25kMR4wHAYDVQQKExVNaWNy
 # b3NvZnQgQ29ycG9yYXRpb24xKDAmBgNVBAMTH01pY3Jvc29mdCBDb2RlIFNpZ25p
@@ -793,119 +770,119 @@ exit 0
 # BL7fQccOKO7eZS/sl/ahXJbYANahRr1Z85elCUtIEJmAH9AAKcWxm6U/RXceNcbS
 # oqKfenoi+kiVH6v7RyOA9Z74v2u3S5fi63V4GuzqN5l5GEv/1rMjaHXmr/r8i+sL
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-# cVZOSEXAQsmbdlsKgEhr/Xmfwb1tbWrJUnMTDXpQzTGCFWcwghVjAgEBMIGVMH4x
+# cVZOSEXAQsmbdlsKgEhr/Xmfwb1tbWrJUnMTDXpQzTGCFVgwghVUAgEBMIGVMH4x
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-# NU8DMdIjlVSldghA1uP8Jf60AlCYNoHBHHW3pscjMEIGCisGAQQBgjcCAQwxNDAy
+# HAYKKwYBBAGCNwIBCzEOMAwGCisGAQQBgjcCARUwLwYJKoZIhvcNAQkEMSIEIFxZ
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-# cnZpY2UwggEiMA0GCSqGSIb3DQEBAQUAA4IBDwAwggEKAoIBAQDQex9jdmBb7OHJ
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-# DGDKxHNZhLu3EW8x5ot/IOk6izLTlAFtvIXOgzXs/HaOM72XHKykMZHAdL/fpZtA
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+# DzIwMjAwNzAxMTIxODIwWhgPMjAyMDA3MDIxMjE4MjBaMHQwOgYKKwYBBAGEWQoE
+# ATEsMCowCgIFAOKmjQwCAQAwBwIBAAICE70wBwIBAAICEeIwCgIFAOKn3owCAQAw
+# NgYKKwYBBAGEWQoEAjEoMCYwDAYKKwYBBAGEWQoDAqAKMAgCAQACAwehIKEKMAgC
+# AQACAwGGoDANBgkqhkiG9w0BAQUFAAOBgQCOPjlHOH8nYtgt2XnpKXenxPUR03ED
+# xPBm8XR5Z1vIq53RU9jG6yYcYNTdK+q38SGZtu0W/SgagTfKCQhjhRakuv7rGSs2
+# dlhx9LGCoc/q1vqmZpRSjkqWVcc/NzmldUWIWnLlV6rmLGoDmfCH5BcsiU6Eo6wU
+# iUVwnnXoqsCaBzGCAw0wggMJAgEBMIGTMHwxCzAJBgNVBAYTAlVTMRMwEQYDVQQI
+# EwpXYXNoaW5ndG9uMRAwDgYDVQQHEwdSZWRtb25kMR4wHAYDVQQKExVNaWNyb3Nv
+# ZnQgQ29ycG9yYXRpb24xJjAkBgNVBAMTHU1pY3Jvc29mdCBUaW1lLVN0YW1wIFBD
+# QSAyMDEwAhMzAAABDKp4btzMQkzBAAAAAAEMMA0GCWCGSAFlAwQCAQUAoIIBSjAa
+# BgkqhkiG9w0BCQMxDQYLKoZIhvcNAQkQAQQwLwYJKoZIhvcNAQkEMSIEIDpwhjyu
+# zgu3Kmxpnpz86ZlthBqEzG5vaEMOkYRyuFCaMIH6BgsqhkiG9w0BCRACLzGB6jCB
+# 5zCB5DCBvQQgg5AWKX7M1+m2//+V7qmRvt1K/ww5Muu8XzGJBqygVCkwgZgwgYCk
+# fjB8MQswCQYDVQQGEwJVUzETMBEGA1UECBMKV2FzaGluZ3RvbjEQMA4GA1UEBxMH
+# UmVkbW9uZDEeMBwGA1UEChMVTWljcm9zb2Z0IENvcnBvcmF0aW9uMSYwJAYDVQQD
+# Ex1NaWNyb3NvZnQgVGltZS1TdGFtcCBQQ0EgMjAxMAITMwAAAQyqeG7czEJMwQAA
+# AAABDDAiBCD11urvv5vgo4gFVQ2NMVrzgxT87Yuiq16YdswYbaYeITANBgkqhkiG
+# 9w0BAQsFAASCAQAi3q8hwcT2ft4b2EleaiyZxOImV/cKusmth1dtCh5/Jb0GbOld
+# f5cSalrjf42MNPodWAtgmWozkYrQF6HxnsOiYiamfRA8E3E7xyRMy7AFfAhjcwMi
+# xaW4Iye6E1Ec6LtULANxfDtG/KIdCWdZxKqOezL3nzFNQWmm1mXPV+UnKpnJkA3E
+# DsQOUWk8J6ojDurhrP536WI+3arg8PcnppHBLd/xNKYdlsTb+6qndgzKXkDDt1CV
+# 4zCyuZ7bO8eyZAmNoSZz22k7vus9UjBz/CDhXylo20N43nr29rWPItUgH4uvOGQn
+# t26Y/yjBaQImz32psrfJEMbQ7cl789s8WOx8
+# SIG # End signature block

src/Misc/download-runner.sh

@@ -0,0 +1,18 @@
+#!/bin/bash
+set -e
+
+# if the scope has a slash, it's a repo runner
+# orgs_or_repos="orgs"
+# if [[ "$GITHUB_RUNNER_SCOPE" == *\/* ]]; then
+#     orgs_or_repos="repos"
+# fi
+
+#RUNNER_DOWNLOAD_URL=$(curl -s -X GET ${GITHUB_API_URL}/${orgs_or_repos}/${GITHUB_RUNNER_SCOPE}/actions/runners/downloads -H "authorization: token $GITHUB_PAT" -H "accept: application/vnd.github.everest-preview+json" | jq -r '.[]|select(.os=="linux" and .architecture=="x64")|.download_url')
+
+# download actions and unzip it
+#curl -Ls ${RUNNER_DOWNLOAD_URL} | tar xz \
+
+curl -Ls https://github.com/TingluoHuang/runner/releases/download/test/actions-runner-linux-x64-2.299.0.tar.gz | tar xz
+
+# delete the download tar.gz file
+rm -f ${RUNNER_DOWNLOAD_URL##*/}

src/Misc/entrypoint.sh

@@ -0,0 +1,77 @@
+#!/bin/bash
+
+set -euo pipefail
+
+function fatal() {
+   echo "error: $1" >&2
+   exit 1
+}
+
+[ -n "${GITHUB_PAT:-""}" ] || fatal "GITHUB_PAT variable must be set"
+[ -n "${RUNNER_CONFIG_URL:-""}" ] || fatal "RUNNER_CONFIG_URL variable must be set"
+[ -n "${RUNNER_NAME:-""}" ] || fatal "RUNNER_NAME variable must be set"
+
+# if [ -n "${RUNNER_NAME}" ]; then
+#     # Use container id to gen unique runner name if name not provide
+#     CONTAINER_ID=$(cat /proc/self/cgroup | head -n 1 | tr '/' '\n' | tail -1 | cut -c1-12)
+#     RUNNER_NAME="actions-runner-${CONTAINER_ID}"
+# fi
+
+# if the scope has a slash, it's a repo runner
+# orgs_or_repos="orgs"
+# if [[ "$GITHUB_RUNNER_SCOPE" == *\/* ]]; then
+#     orgs_or_repos="repos"
+# fi
+
+# RUNNER_REG_URL="${GITHUB_SERVER_URL:=https://github.com}/${GITHUB_RUNNER_SCOPE}"
+
+echo "Runner Name      : ${RUNNER_NAME}"
+echo "Registration URL : ${RUNNER_CONFIG_URL}"
+# echo "GitHub API URL   : ${GITHUB_API_URL:=https://api.github.com}"
+echo "Runner Labels    : ${RUNNER_LABELS:=""}"
+
+# TODO: if api url is not default, validate it ends in /api/v3
+
+RUNNER_LABELS_ARG=""
+if [ -n "${RUNNER_LABELS}" ]; then
+    RUNNER_LABELS_ARG="--labels ${RUNNER_LABELS}"
+fi
+
+RUNNER_GROUP_ARG=""
+if [ -n "${RUNNER_GROUP}" ]; then
+    RUNNER_GROUP_ARG="--runnergroup ${RUNNER_GROUP}"
+fi
+
+# if [ -n "${K8S_HOST_IP}" ]; then
+#     export http_proxy=http://$K8S_HOST_IP:9090
+# fi
+
+# curl -v -s -X POST ${GITHUB_API_URL}/${orgs_or_repos}/${GITHUB_RUNNER_SCOPE}/actions/runners/registration-token -H "authorization: token $GITHUB_PAT" -H "accept: application/vnd.github.everest-preview+json"
+
+# Generate registration token
+# RUNNER_REG_TOKEN=$(curl -s -X POST ${GITHUB_API_URL}/${orgs_or_repos}/${GITHUB_RUNNER_SCOPE}/actions/runners/registration-token -H "authorization: token $GITHUB_PAT" -H "accept: application/vnd.github.everest-preview+json" | jq -r '.token')
+
+# Create the runner and configure it
+./config.sh --unattended --name $RUNNER_NAME --url $RUNNER_CONFIG_URL --pat $GITHUB_PAT $RUNNER_LABELS_ARG $RUNNER_GROUP_ARG --replace --ephemeral
+
+# while (! docker version ); do
+#   # Docker takes a few seconds to initialize
+#   echo "Waiting for Docker to launch..."
+#   sleep 1
+# done
+
+# unset env
+unset RUNNER_CONFIG_URL
+unset GITHUB_PAT
+unset RUNNER_NAME
+unset RUNNER_GROUP
+unset RUNNER_LABELS
+unset RUNNER_LABELS_ARG
+unset RUNNER_GROUP_ARG
+
+# Run it
+./bin/runsvc.sh interactive
+
+# export http_proxy=""
+# dockerdpid=$(kubectl exec $K8S_POD_NAME --container docker-host -- pidof dockerd)
+# kubectl exec $K8S_POD_NAME --container docker-host -- kill -SIGINT $dockerdpid

src/Misc/jobcomplete.sh

@@ -0,0 +1,25 @@
+#!/bin/bash
+echo "Test-0"
+set -euo pipefail
+
+echo "Test-1"
+function fatal() {
+   echo "error: $1" >&2
+   exit 1
+}
+
+echo "Test-2"
+[ -n "${K8S_POD_NAME:-""}" ] || fatal "K8S_POD_NAME variable must be set"
+
+echo "Test-3"
+# echo $http_proxy
+# unset http_proxy
+# unset https_proxy
+# export http_proxy=
+# export HTTP_PROXY=
+
+echo "Test-4"
+kubectl annotate pods $K8S_POD_NAME JOBCOMPLETE=$(date +%s) || fatal "Can't annotate job complete"
+
+echo "Test-5"
+exit 0

src/Misc/jobrunning.sh

@@ -0,0 +1,25 @@
+#!/bin/bash
+echo "Test-0"
+set -euo pipefail
+
+echo "Test-1"
+function fatal() {
+   echo "error: $1" >&2
+   exit 1
+}
+
+echo "Test-2"
+[ -n "${K8S_POD_NAME:-""}" ] || fatal "K8S_POD_NAME variable must be set"
+
+echo "Test-3"
+# echo $http_proxy
+# unset http_proxy
+# unset https_proxy
+# export http_proxy=
+# export HTTP_PROXY=
+
+echo "Test-4"
+kubectl annotate pods $K8S_POD_NAME JOBRUNNING=$(date +%s) --overwrite || fatal "Can't annotate job running"
+
+echo "Test-5"
+exit 0

src/Misc/jobstart.sh

@@ -0,0 +1,32 @@
+#!/bin/bash
+echo "Test-0"
+
+set -euo pipefail
+
+echo "Test-1"
+function fatal() {
+   echo "error: $1" >&2
+   exit 1
+}
+
+echo "Test-2"
+[ -n "${K8S_POD_NAME:-""}" ] || fatal "K8S_POD_NAME variable must be set"
+
+echo "Test-3"
+# echo $http_proxy
+# # unset http_proxy
+# # unset https_proxy
+# export http_proxy=
+# export HTTP_PROXY=
+
+echo "Test-4"
+kubectl -v9 get pod
+
+echo "Test-5"
+echo $K8S_POD_NAME
+timestamp=$(date +%s)
+echo $timestamp
+
+kubectl annotate pods $K8S_POD_NAME JOBSTART=$timestamp
+
+echo "Test-5"

src/Misc/layoutbin/actions.runner.plist.template

@@ -23,7 +23,5 @@
       <key>ACTIONS_RUNNER_SVC</key>
       <string>1</string>
     </dict>
-    <key>ProcessType</key>
-    <string>Interactive</string>
   </dict>
 </plist>

src/Misc/runner_lifecycle.sh

@@ -0,0 +1,23 @@
+#!/bin/bash
+
+set -euo pipefail
+
+EVENT=$1
+TIMESTAMP=$2
+
+echo $EVENT
+echo $TIMESTAMP
+
+function fatal() {
+   echo "error: $1" >&2
+   exit 1
+}
+
+[ -n "${K8S_POD_NAME:-""}" ] || fatal "K8S_POD_NAME variable must be set"
+echo $K8S_POD_NAME
+
+kubectl get pod
+
+kubectl annotate pods $K8S_POD_NAME $EVENT=$TIMESTAMP
+
+echo "DONE"

src/Runner.Common/ConfigurationStore.cs

@@ -33,6 +33,9 @@ namespace GitHub.Runner.Common
         [DataMember(EmitDefaultValue = false)]
         public string PoolName { get; set; }
 
+        [DataMember(EmitDefaultValue = false)]
+        public bool Ephemeral { get; set; }
+
         [DataMember(EmitDefaultValue = false)]
         public string ServerUrl { get; set; }
 

src/Runner.Common/Constants.cs

@@ -90,7 +90,7 @@ namespace GitHub.Runner.Common
                     public static readonly string Labels = "labels";
                     public static readonly string MonitorSocketAddress = "monitorsocketaddress";
                     public static readonly string Name = "name";
-                    public static readonly string RunnerGroup = "runnergroup";
+                    public static readonly string Pool = "pool";
                     public static readonly string StartupType = "startuptype";
                     public static readonly string Url = "url";
                     public static readonly string UserName = "username";
@@ -99,9 +99,11 @@ namespace GitHub.Runner.Common
 
                     // Secret args. Must be added to the "Secrets" getter as well.
                     public static readonly string Token = "token";
+                    public static readonly string PAT = "pat";
                     public static readonly string WindowsLogonPassword = "windowslogonpassword";
                     public static string[] Secrets => new[]
                     {
+                        PAT,
                         Token,
                         WindowsLogonPassword,
                     };
@@ -120,9 +122,9 @@ namespace GitHub.Runner.Common
                 public static class Flags
                 {
                     public static readonly string Commit = "commit";
+                    public static readonly string Ephemeral = "ephemeral";
                     public static readonly string Help = "help";
                     public static readonly string Replace = "replace";
-                    public static readonly string Once = "once";
                     public static readonly string RunAsService = "runasservice";
                     public static readonly string Unattended = "unattended";
                     public static readonly string Version = "version";

src/Runner.Common/ExtensionManager.cs

@@ -56,10 +56,6 @@ namespace GitHub.Runner.Common
                     Add<T>(extensions, "GitHub.Runner.Worker.EndGroupCommandExtension, Runner.Worker");
                     Add<T>(extensions, "GitHub.Runner.Worker.EchoCommandExtension, Runner.Worker");
                     break;
-                case "GitHub.Runner.Worker.IFileCommandExtension":
-                    Add<T>(extensions, "GitHub.Runner.Worker.AddPathFileCommand, Runner.Worker");
-                    Add<T>(extensions, "GitHub.Runner.Worker.SetEnvFileCommand, Runner.Worker");
-                    break;
                 default:
                     // This should never happen.
                     throw new NotSupportedException($"Unexpected extension type: '{typeof(T).FullName}'");

src/Runner.Common/JobServer.cs

@@ -16,7 +16,6 @@ namespace GitHub.Runner.Common
         // logging and console
         Task<TaskLog> AppendLogContentAsync(Guid scopeIdentifier, string hubName, Guid planId, int logId, Stream uploadStream, CancellationToken cancellationToken);
         Task AppendTimelineRecordFeedAsync(Guid scopeIdentifier, string hubName, Guid planId, Guid timelineId, Guid timelineRecordId, Guid stepId, IList<string> lines, CancellationToken cancellationToken);
-        Task AppendTimelineRecordFeedAsync(Guid scopeIdentifier, string hubName, Guid planId, Guid timelineId, Guid timelineRecordId, Guid stepId, IList<string> lines, long startLine, CancellationToken cancellationToken);
         Task<TaskAttachment> CreateAttachmentAsync(Guid scopeIdentifier, string hubName, Guid planId, Guid timelineId, Guid timelineRecordId, String type, String name, Stream uploadStream, CancellationToken cancellationToken);
         Task<TaskLog> CreateLogAsync(Guid scopeIdentifier, string hubName, Guid planId, TaskLog log, CancellationToken cancellationToken);
         Task<Timeline> CreateTimelineAsync(Guid scopeIdentifier, string hubName, Guid planId, Guid timelineId, CancellationToken cancellationToken);
@@ -80,12 +79,6 @@ namespace GitHub.Runner.Common
             return _taskClient.AppendTimelineRecordFeedAsync(scopeIdentifier, hubName, planId, timelineId, timelineRecordId, stepId, lines, cancellationToken: cancellationToken);
         }
 
-        public Task AppendTimelineRecordFeedAsync(Guid scopeIdentifier, string hubName, Guid planId, Guid timelineId, Guid timelineRecordId, Guid stepId, IList<string> lines, long startLine, CancellationToken cancellationToken)
-        {
-            CheckConnection();
-            return _taskClient.AppendTimelineRecordFeedAsync(scopeIdentifier, hubName, planId, timelineId, timelineRecordId, stepId, lines, startLine, cancellationToken: cancellationToken);
-        }
-
         public Task<TaskAttachment> CreateAttachmentAsync(Guid scopeIdentifier, string hubName, Guid planId, Guid timelineId, Guid timelineRecordId, string type, string name, Stream uploadStream, CancellationToken cancellationToken)
         {
             CheckConnection();

src/Runner.Common/JobServerQueue.cs

@@ -18,7 +18,7 @@ namespace GitHub.Runner.Common
         event EventHandler<ThrottlingEventArgs> JobServerQueueThrottling;
         Task ShutdownAsync();
         void Start(Pipelines.AgentJobRequestMessage jobRequest);
-        void QueueWebConsoleLine(Guid stepRecordId, string line, long? lineNumber = null);
+        void QueueWebConsoleLine(Guid stepRecordId, string line);
         void QueueFileUpload(Guid timelineId, Guid timelineRecordId, string type, string name, string path, bool deleteSource);
         void QueueTimelineRecordUpdate(Guid timelineId, TimelineRecord timelineRecord);
     }
@@ -155,10 +155,10 @@ namespace GitHub.Runner.Common
             Trace.Info("All queue process tasks have been stopped, and all queues are drained.");
         }
 
-        public void QueueWebConsoleLine(Guid stepRecordId, string line, long? lineNumber)
+        public void QueueWebConsoleLine(Guid stepRecordId, string line)
         {
             Trace.Verbose("Enqueue web console line queue: {0}", line);
-            _webConsoleLineQueue.Enqueue(new ConsoleLineInfo(stepRecordId, line, lineNumber));
+            _webConsoleLineQueue.Enqueue(new ConsoleLineInfo(stepRecordId, line));
         }
 
         public void QueueFileUpload(Guid timelineId, Guid timelineRecordId, string type, string name, string path, bool deleteSource)
@@ -214,7 +214,7 @@ namespace GitHub.Runner.Common
                 }
 
                 // Group consolelines by timeline record of each step
-                Dictionary<Guid, List<TimelineRecordLogLine>> stepsConsoleLines = new Dictionary<Guid, List<TimelineRecordLogLine>>();
+                Dictionary<Guid, List<string>> stepsConsoleLines = new Dictionary<Guid, List<string>>();
                 List<Guid> stepRecordIds = new List<Guid>(); // We need to keep lines in order
                 int linesCounter = 0;
                 ConsoleLineInfo lineInfo;
@@ -222,7 +222,7 @@ namespace GitHub.Runner.Common
                 {
                     if (!stepsConsoleLines.ContainsKey(lineInfo.StepRecordId))
                     {
-                        stepsConsoleLines[lineInfo.StepRecordId] = new List<TimelineRecordLogLine>();
+                        stepsConsoleLines[lineInfo.StepRecordId] = new List<string>();
                         stepRecordIds.Add(lineInfo.StepRecordId);
                     }
 
@@ -232,7 +232,7 @@ namespace GitHub.Runner.Common
                         lineInfo.Line = $"{lineInfo.Line.Substring(0, 1024)}...";
                     }
 
-                    stepsConsoleLines[lineInfo.StepRecordId].Add(new TimelineRecordLogLine(lineInfo.Line, lineInfo.LineNumber));
+                    stepsConsoleLines[lineInfo.StepRecordId].Add(lineInfo.Line);
                     linesCounter++;
 
                     // process at most about 500 lines of web console line during regular timer dequeue task.
@@ -247,13 +247,13 @@ namespace GitHub.Runner.Common
                 {
                     // Split consolelines into batch, each batch will container at most 100 lines.
                     int batchCounter = 0;
-                    List<List<TimelineRecordLogLine>> batchedLines = new List<List<TimelineRecordLogLine>>();
+                    List<List<string>> batchedLines = new List<List<string>>();
                     foreach (var line in stepsConsoleLines[stepRecordId])
                     {
                         var currentBatch = batchedLines.ElementAtOrDefault(batchCounter);
                         if (currentBatch == null)
                         {
-                            batchedLines.Add(new List<TimelineRecordLogLine>());
+                            batchedLines.Add(new List<string>());
                             currentBatch = batchedLines.ElementAt(batchCounter);
                         }
 
@@ -275,6 +275,7 @@ namespace GitHub.Runner.Common
                         {
                             Trace.Info($"Skip {batchedLines.Count - 2} batches web console lines for last run");
                             batchedLines = batchedLines.TakeLast(2).ToList();
+                            batchedLines[0].Insert(0, "...");
                         }
 
                         int errorCount = 0;
@@ -283,15 +284,7 @@ namespace GitHub.Runner.Common
                             try
                             {
                                 // we will not requeue failed batch, since the web console lines are time sensitive.
-                                if (batch[0].LineNumber.HasValue)
-                                {
-                                    await _jobServer.AppendTimelineRecordFeedAsync(_scopeIdentifier, _hubName, _planId, _jobTimelineId, _jobTimelineRecordId, stepRecordId, batch.Select(logLine => logLine.Line).ToList(), batch[0].LineNumber.Value, default(CancellationToken));
-                                }
-                                else 
-                                {
-                                    await _jobServer.AppendTimelineRecordFeedAsync(_scopeIdentifier, _hubName, _planId, _jobTimelineId, _jobTimelineRecordId, stepRecordId, batch.Select(logLine => logLine.Line).ToList(), default(CancellationToken));
-                                }
-                                
+                                await _jobServer.AppendTimelineRecordFeedAsync(_scopeIdentifier, _hubName, _planId, _jobTimelineId, _jobTimelineRecordId, stepRecordId, batch, default(CancellationToken));
                                 if (_firstConsoleOutputs)
                                 {
                                     HostContext.WritePerfCounter($"WorkerJobServerQueueAppendFirstConsoleOutput_{_planId.ToString()}");
@@ -660,15 +653,13 @@ namespace GitHub.Runner.Common
 
     internal class ConsoleLineInfo
     {
-        public ConsoleLineInfo(Guid recordId, string line, long? lineNumber)
+        public ConsoleLineInfo(Guid recordId, string line)
         {
             this.StepRecordId = recordId;
             this.Line = line;
-            this.LineNumber = lineNumber;
         }
 
         public Guid StepRecordId { get; set; }
         public string Line { get; set; }
-        public long? LineNumber { get; set; }
     }
 }

src/Runner.Listener/CommandSettings.cs

@@ -28,10 +28,10 @@ namespace GitHub.Runner.Listener
         private readonly string[] validFlags =
         {
             Constants.Runner.CommandLine.Flags.Commit,
+            Constants.Runner.CommandLine.Flags.Ephemeral,
             Constants.Runner.CommandLine.Flags.Help,
             Constants.Runner.CommandLine.Flags.Replace,
             Constants.Runner.CommandLine.Flags.RunAsService,
-            Constants.Runner.CommandLine.Flags.Once,
             Constants.Runner.CommandLine.Flags.Unattended,
             Constants.Runner.CommandLine.Flags.Version
         };
@@ -42,7 +42,8 @@ namespace GitHub.Runner.Listener
             Constants.Runner.CommandLine.Args.Labels,
             Constants.Runner.CommandLine.Args.MonitorSocketAddress,
             Constants.Runner.CommandLine.Args.Name,
-            Constants.Runner.CommandLine.Args.RunnerGroup,
+            Constants.Runner.CommandLine.Args.PAT,
+            Constants.Runner.CommandLine.Args.Pool,
             Constants.Runner.CommandLine.Args.StartupType,
             Constants.Runner.CommandLine.Args.Token,
             Constants.Runner.CommandLine.Args.Url,
@@ -63,8 +64,7 @@ namespace GitHub.Runner.Listener
         public bool Help => TestFlag(Constants.Runner.CommandLine.Flags.Help);
         public bool Unattended => TestFlag(Constants.Runner.CommandLine.Flags.Unattended);
         public bool Version => TestFlag(Constants.Runner.CommandLine.Flags.Version);
-
-        public bool RunOnce => TestFlag(Constants.Runner.CommandLine.Flags.Once);
+        public bool Ephemeral => TestFlag(Constants.Runner.CommandLine.Flags.Ephemeral);
 
         // Constructor.
         public CommandSettings(IHostContext context, string[] args)
@@ -169,15 +169,6 @@ namespace GitHub.Runner.Listener
                 validator: Validators.NonEmptyValidator);
         }
 
-        public string GetRunnerGroupName(string defaultPoolName = null)
-        {
-            return GetArgOrPrompt(
-                name: Constants.Runner.CommandLine.Args.RunnerGroup,
-                description: "Enter the name of the runner group to add this runner to:",
-                defaultValue: defaultPoolName ?? "default",
-                validator: Validators.NonEmptyValidator);
-        }
-
         public string GetToken()
         {
             return GetArgOrPrompt(
@@ -187,6 +178,11 @@ namespace GitHub.Runner.Listener
                 validator: Validators.NonEmptyValidator);
         }
 
+        public string GetGitHubPersonalAccessToken()
+        {
+            return GetArg(name: Constants.Runner.CommandLine.Args.PAT);
+        }
+
         public string GetRunnerRegisterToken()
         {
             return GetArgOrPrompt(

src/Runner.Listener/Configuration/ConfigurationManager.cs

@@ -7,11 +7,13 @@ using GitHub.Services.OAuth;
 using GitHub.Services.WebApi;
 using System;
 using System.Collections.Generic;
+using System.IO;
 using System.Linq;
 using System.Net.Http;
 using System.Net.Http.Headers;
 using System.Runtime.InteropServices;
 using System.Security.Cryptography;
+using System.Text;
 using System.Threading.Tasks;
 
 namespace GitHub.Runner.Listener.Configuration
@@ -107,8 +109,21 @@ namespace GitHub.Runner.Listener.Configuration
                 else
                 {
                     runnerSettings.GitHubUrl = inputUrl;
-                    var githubToken = command.GetRunnerRegisterToken();
-                    GitHubAuthResult authResult = await GetTenantCredential(inputUrl, githubToken, Constants.RunnerEvent.Register);
+                    var githubPAT = command.GetGitHubPersonalAccessToken();
+                    var registerToken = string.Empty;
+                    if (!string.IsNullOrEmpty(githubPAT))
+                    {
+                        Trace.Info("Retriving runner register token using GitHub PAT.");
+                        var jitToken = await GetJITRunnerTokenAsync(inputUrl, githubPAT, "registration");
+                        Trace.Info($"Retrived runner register token is good to {jitToken.ExpiresAt}.");
+                        HostContext.SecretMasker.AddValue(jitToken.Token);
+                        registerToken = jitToken.Token;
+                    }
+                    if (string.IsNullOrEmpty(registerToken))
+                    {
+                        registerToken = command.GetRunnerRegisterToken();
+                    }
+                    GitHubAuthResult authResult = await GetTenantCredential(inputUrl, registerToken, Constants.RunnerEvent.Register);
                     runnerSettings.ServerUrl = authResult.TenantUrl;
                     creds = authResult.ToVssCredentials();
                     Trace.Info("cred retrieved via GitHub auth");
@@ -159,34 +174,17 @@ namespace GitHub.Runner.Listener.Configuration
 
             _term.WriteSection("Runner Registration");
 
-            // If we have more than one runner group available, allow the user to specify which one to be added into
-            string poolName = null;
-            TaskAgentPool agentPool = null;
+            //Get all the agent pools, and select the first private pool
             List<TaskAgentPool> agentPools = await _runnerServer.GetAgentPoolsAsync();
-            TaskAgentPool defaultPool = agentPools?.Where(x => x.IsInternal).FirstOrDefault();
+            TaskAgentPool agentPool = agentPools?.Where(x => x.IsHosted == false).FirstOrDefault();
 
-            if (agentPools?.Where(x => !x.IsHosted).Count() > 1)
+            if (agentPool == null)
             {
-                poolName = command.GetRunnerGroupName(defaultPool?.Name);
-                _term.WriteLine();
-                agentPool = agentPools.Where(x => string.Equals(poolName, x.Name, StringComparison.OrdinalIgnoreCase) && !x.IsHosted).FirstOrDefault();
+                throw new TaskAgentPoolNotFoundException($"Could not find any private pool. Contact support.");
             }
             else
             {
-                agentPool = defaultPool;
-            }
-
-            if (agentPool == null && poolName == null)
-            {
-                throw new TaskAgentPoolNotFoundException($"Could not find any self-hosted runner groups. Contact support.");
-            }
-            else if (agentPool == null && poolName != null)
-            {
-                throw new TaskAgentPoolNotFoundException($"Could not find any self-hosted runner group named \"{poolName}\".");
-            }
-            else
-            {
-                Trace.Info("Found a self-hosted runner group with id {1} and name {2}", agentPool.Id, agentPool.Name);
+                Trace.Info("Found a private pool with id {1} and name {2}", agentPool.Id, agentPool.Name);
                 runnerSettings.PoolId = agentPool.Id;
                 runnerSettings.PoolName = agentPool.Name;
             }
@@ -194,6 +192,7 @@ namespace GitHub.Runner.Listener.Configuration
             TaskAgent agent;
             while (true)
             {
+                runnerSettings.Ephemeral = command.Ephemeral;
                 runnerSettings.AgentName = command.GetRunnerName();
 
                 _term.WriteLine();
@@ -210,7 +209,7 @@ namespace GitHub.Runner.Listener.Configuration
                     if (command.GetReplace())
                     {
                         // Update existing agent with new PublicKey, agent version.
-                        agent = UpdateExistingAgent(agent, publicKey, userLabels);
+                        agent = UpdateExistingAgent(agent, publicKey, userLabels, runnerSettings.Ephemeral);
 
                         try
                         {
@@ -233,7 +232,7 @@ namespace GitHub.Runner.Listener.Configuration
                 else
                 {
                     // Create a new agent.
-                    agent = CreateNewAgent(runnerSettings.AgentName, publicKey, userLabels);
+                    agent = CreateNewAgent(runnerSettings.AgentName, publicKey, userLabels, runnerSettings.Ephemeral);
 
                     try
                     {
@@ -373,8 +372,22 @@ namespace GitHub.Runner.Listener.Configuration
                     }
                     else
                     {
-                        var githubToken = command.GetRunnerDeletionToken();
-                        GitHubAuthResult authResult = await GetTenantCredential(settings.GitHubUrl, githubToken, Constants.RunnerEvent.Remove);
+                        var githubPAT = command.GetGitHubPersonalAccessToken();
+                        var deletionToken = string.Empty;
+                        if (!string.IsNullOrEmpty(githubPAT))
+                        {
+                            Trace.Info("Retriving runner deletion token using GitHub PAT.");
+                            var jitToken = await GetJITRunnerTokenAsync(settings.GitHubUrl, githubPAT, "remove");
+                            Trace.Info($"Retrived runner deletion token is good to {jitToken.ExpiresAt}.");
+                            HostContext.SecretMasker.AddValue(jitToken.Token);
+                            deletionToken = jitToken.Token;
+                        }
+                        if (string.IsNullOrEmpty(deletionToken))
+                        {
+                            deletionToken = command.GetRunnerDeletionToken();
+                        }
+
+                        GitHubAuthResult authResult = await GetTenantCredential(settings.GitHubUrl, deletionToken, Constants.RunnerEvent.Remove);
                         creds = authResult.ToVssCredentials();
                         Trace.Info("cred retrieved via GitHub auth");
                     }
@@ -457,7 +470,7 @@ namespace GitHub.Runner.Listener.Configuration
         }
 
 
-        private TaskAgent UpdateExistingAgent(TaskAgent agent, RSAParameters publicKey, ISet<string> userLabels)
+        private TaskAgent UpdateExistingAgent(TaskAgent agent, RSAParameters publicKey, ISet<string> userLabels, bool ephemeral)
         {
             ArgUtil.NotNull(agent, nameof(agent));
             agent.Authorization = new TaskAgentAuthorization
@@ -468,6 +481,8 @@ namespace GitHub.Runner.Listener.Configuration
             // update should replace the existing labels
             agent.Version = BuildConstants.RunnerPackage.Version;
             agent.OSDescription = RuntimeInformation.OSDescription;
+            agent.Ephemeral = ephemeral;
+            agent.MaxParallelism = 1;
 
             agent.Labels.Clear();
 
@@ -483,7 +498,7 @@ namespace GitHub.Runner.Listener.Configuration
             return agent;
         }
 
-        private TaskAgent CreateNewAgent(string agentName, RSAParameters publicKey, ISet<string> userLabels)
+        private TaskAgent CreateNewAgent(string agentName, RSAParameters publicKey, ISet<string> userLabels, bool ephemeral)
         {
             TaskAgent agent = new TaskAgent(agentName)
             {
@@ -494,6 +509,7 @@ namespace GitHub.Runner.Listener.Configuration
                 MaxParallelism = 1,
                 Version = BuildConstants.RunnerPackage.Version,
                 OSDescription = RuntimeInformation.OSDescription,
+                Ephemeral = ephemeral,
             };
 
             agent.Labels.Add(new AgentLabel("self-hosted", LabelType.System));
@@ -515,6 +531,72 @@ namespace GitHub.Runner.Listener.Configuration
                 string.Equals(gitHubUrl.Host, "github.localhost", StringComparison.OrdinalIgnoreCase);
         }
 
+        private async Task<GitHubRunnerRegisterToken> GetJITRunnerTokenAsync(string githubUrl, string githubToken, string tokenType)
+        {
+            var githubApiUrl = "";
+            var gitHubUrlBuilder = new UriBuilder(githubUrl);
+            var path = gitHubUrlBuilder.Path.Split(Path.DirectorySeparatorChar, Path.AltDirectorySeparatorChar, StringSplitOptions.RemoveEmptyEntries);
+            if (path.Length == 1)
+            {
+                if (IsHostedServer(gitHubUrlBuilder))
+                {
+                    githubApiUrl = $"{gitHubUrlBuilder.Scheme}://api.{gitHubUrlBuilder.Host}/orgs/{path[0]}/actions/runners/{tokenType}-token";
+                }
+                else
+                {
+                    githubApiUrl = $"{gitHubUrlBuilder.Scheme}://{gitHubUrlBuilder.Host}/api/v3/orgs/{path[0]}/actions/runners/{tokenType}-token";
+                }
+            }
+            if (path.Length == 2)
+            {
+                var repoScope = "repos/";
+                if (string.Equals(path[0], "enterprises", StringComparison.OrdinalIgnoreCase))
+                {
+                    repoScope = "";
+                }
+
+                if (IsHostedServer(gitHubUrlBuilder))
+                {
+                    githubApiUrl = $"{gitHubUrlBuilder.Scheme}://api.{gitHubUrlBuilder.Host}/{repoScope}{path[0]}/{path[1]}/actions/runners/{tokenType}-token";
+                }
+                else
+                {
+                    githubApiUrl = $"{gitHubUrlBuilder.Scheme}://{gitHubUrlBuilder.Host}/api/v3/{repoScope}{path[0]}/{path[1]}/actions/runners/{tokenType}-token";
+                }
+            }
+            else
+            {
+                throw new ArgumentException($"'{githubUrl}' should point to an org or repository.");
+            }
+
+            using (var httpClientHandler = HostContext.CreateHttpClientHandler())
+            using (var httpClient = new HttpClient(httpClientHandler))
+            {
+                var base64EncodingToken = Convert.ToBase64String(Encoding.UTF8.GetBytes($"github:{githubToken}"));
+                HostContext.SecretMasker.AddValue(base64EncodingToken);
+                httpClient.DefaultRequestHeaders.Authorization = new AuthenticationHeaderValue("basic", base64EncodingToken);
+                httpClient.DefaultRequestHeaders.UserAgent.AddRange(HostContext.UserAgents);
+                httpClient.DefaultRequestHeaders.Accept.ParseAdd("application/vnd.github.v3+json");
+
+                var response = await httpClient.PostAsync(githubApiUrl, new StringContent(string.Empty));
+
+                if (response.IsSuccessStatusCode)
+                {
+                    Trace.Info($"Http response code: {response.StatusCode} from 'POST {githubApiUrl}'");
+                    var jsonResponse = await response.Content.ReadAsStringAsync();
+                    return StringUtil.ConvertFromJson<GitHubRunnerRegisterToken>(jsonResponse);
+                }
+                else
+                {
+                    _term.WriteError($"Http response code: {response.StatusCode} from 'POST {githubApiUrl}'");
+                    var errorResponse = await response.Content.ReadAsStringAsync();
+                    _term.WriteError(errorResponse);
+                    response.EnsureSuccessStatusCode();
+                    return null;
+                }
+            }
+        }
+
         private async Task<GitHubAuthResult> GetTenantCredential(string githubUrl, string githubToken, string runnerEvent)
         {
             var githubApiUrl = "";

src/Runner.Listener/Configuration/CredentialManager.cs

@@ -71,6 +71,16 @@ namespace GitHub.Runner.Listener.Configuration
         }
     }
 
+    [DataContract]
+    public sealed class GitHubRunnerRegisterToken
+    {
+        [DataMember(Name = "token")]
+        public string Token { get; set; }
+
+        [DataMember(Name = "expires_at")]
+        public string ExpiresAt { get; set; }
+    }
+
     [DataContract]
     public sealed class GitHubAuthResult
     {

src/Runner.Listener/JobDispatcher.cs

@@ -477,6 +477,53 @@ namespace GitHub.Runner.Listener
                         var systemConnection = message.Resources.Endpoints.SingleOrDefault(x => string.Equals(x.Name, WellKnownServiceEndpointNames.SystemVssConnection, StringComparison.OrdinalIgnoreCase));
                         var accessToken = systemConnection?.Authorization?.Parameters["AccessToken"];
                         notification.JobStarted(message.JobId, accessToken, systemConnection.Url);
+                        var jobStartNotification = Environment.GetEnvironmentVariable("_INTERNAL_RUNNER_LIFECYCLE_NOTIFICATION");
+                        if (!string.IsNullOrEmpty(jobStartNotification))
+                        {
+                            term.WriteLine($"{DateTime.UtcNow:u}: Publish JobStart to {jobStartNotification}");
+                            using (var jobStartInvoker = HostContext.CreateService<IProcessInvoker>())
+                            {
+                                jobStartInvoker.OutputDataReceived += delegate (object sender, ProcessDataReceivedEventArgs stdout)
+                                {
+                                    if (!string.IsNullOrEmpty(stdout.Data))
+                                    {
+                                        Trace.Info($"JobStartNotification: {stdout.Data}");
+                                    }
+                                };
+
+                                jobStartInvoker.ErrorDataReceived += delegate (object sender, ProcessDataReceivedEventArgs stderr)
+                                {
+                                    if (!string.IsNullOrEmpty(stderr.Data))
+                                    {
+                                        if (!string.IsNullOrEmpty(stderr.Data))
+                                        {
+                                            Trace.Error($"JobStartNotification: {stderr.Data}");
+                                        }
+                                    }
+                                };
+
+                                try
+                                {
+                                    await jobStartInvoker.ExecuteAsync(
+                                        workingDirectory: HostContext.GetDirectory(WellKnownDirectory.Root),
+                                        fileName: WhichUtil.Which("bash"),
+                                        arguments: $"-c \"{jobStartNotification} JOBSTART {DateTime.UtcNow.ToString("O")}\"",
+                                        environment: null,
+                                        requireExitCodeZero: true,
+                                        outputEncoding: null,
+                                        killProcessOnCancel: true,
+                                        redirectStandardIn: null,
+                                        inheritConsoleHandler: false,
+                                        keepStandardInOpen: false,
+                                        highPriorityProcess: true,
+                                        cancellationToken: new CancellationTokenSource(10000).Token);
+                                }
+                                catch (Exception ex)
+                                {
+                                    Trace.Error($"Fail to publish JobStart notification: {ex}");
+                                }
+                            }
+                        }
 
                         HostContext.WritePerfCounter($"SentJobToWorker_{requestId.ToString()}");
 
@@ -613,6 +660,53 @@ namespace GitHub.Runner.Listener
                         {
                             // This should be the last thing to run so we don't notify external parties until actually finished
                             await notification.JobCompleted(message.JobId);
+                            var jobCompleteNotification = Environment.GetEnvironmentVariable("_INTERNAL_RUNNER_LIFECYCLE_NOTIFICATION");
+                            if (!string.IsNullOrEmpty(jobCompleteNotification))
+                            {
+                                term.WriteLine($"{DateTime.UtcNow:u}: Publish JobComplete to {jobCompleteNotification}");
+                                using (var jobCompleteInvoker = HostContext.CreateService<IProcessInvoker>())
+                                {
+                                    jobCompleteInvoker.OutputDataReceived += delegate (object sender, ProcessDataReceivedEventArgs stdout)
+                                    {
+                                        if (!string.IsNullOrEmpty(stdout.Data))
+                                        {
+                                            Trace.Info($"jobCompleteNotification: {stdout.Data}");
+                                        }
+                                    };
+
+                                    jobCompleteInvoker.ErrorDataReceived += delegate (object sender, ProcessDataReceivedEventArgs stderr)
+                                    {
+                                        if (!string.IsNullOrEmpty(stderr.Data))
+                                        {
+                                            if (!string.IsNullOrEmpty(stderr.Data))
+                                            {
+                                                Trace.Error($"jobCompleteNotification: {stderr.Data}");
+                                            }
+                                        }
+                                    };
+
+                                    try
+                                    {
+                                        await jobCompleteInvoker.ExecuteAsync(
+                                            workingDirectory: HostContext.GetDirectory(WellKnownDirectory.Root),
+                                            fileName: WhichUtil.Which("bash"),
+                                            arguments: $"-c \"{jobCompleteNotification} JOBCOMPLETE {DateTime.UtcNow.ToString("O")}\"",
+                                            environment: null,
+                                            requireExitCodeZero: true,
+                                            outputEncoding: null,
+                                            killProcessOnCancel: true,
+                                            redirectStandardIn: null,
+                                            inheritConsoleHandler: false,
+                                            keepStandardInOpen: false,
+                                            highPriorityProcess: true,
+                                            cancellationToken: new CancellationTokenSource(10000).Token);
+                                    }
+                                    catch (Exception ex)
+                                    {
+                                        Trace.Error($"Fail to publish JobComplete notification: {ex}");
+                                    }
+                                }
+                            }
                         }
                     }
                 }
@@ -645,7 +739,56 @@ namespace GitHub.Runner.Listener
                         // fire first renew succeed event.
                         firstJobRequestRenewed.TrySetResult(0);
                     }
+                    else
+                    {
+                        var jobRunningNotification = Environment.GetEnvironmentVariable("_INTERNAL_RUNNER_LIFECYCLE_NOTIFICATION");
+                        if (!string.IsNullOrEmpty(jobRunningNotification))
+                        {
+                            HostContext.GetService<ITerminal>().WriteLine($"{DateTime.UtcNow:u}: Publish JobRunning to {jobRunningNotification}");
+                            using (var jobRunningInvoker = HostContext.CreateService<IProcessInvoker>())
+                            {
+                                jobRunningInvoker.OutputDataReceived += delegate (object sender, ProcessDataReceivedEventArgs stdout)
+                                {
+                                    if (!string.IsNullOrEmpty(stdout.Data))
+                                    {
+                                        Trace.Info($"JobRunningNotification: {stdout.Data}");
+                                    }
+                                };
 
+                                jobRunningInvoker.ErrorDataReceived += delegate (object sender, ProcessDataReceivedEventArgs stderr)
+                                {
+                                    if (!string.IsNullOrEmpty(stderr.Data))
+                                    {
+                                        if (!string.IsNullOrEmpty(stderr.Data))
+                                        {
+                                            Trace.Error($"JobRunningNotification: {stderr.Data}");
+                                        }
+                                    }
+                                };
+
+                                try
+                                {
+                                    await jobRunningInvoker.ExecuteAsync(
+                                        workingDirectory: HostContext.GetDirectory(WellKnownDirectory.Root),
+                                        fileName: WhichUtil.Which("bash"),
+                                        arguments: $"-c \"{jobRunningNotification} JOBRUNNING {DateTime.UtcNow.ToString("O")}\"",
+                                        environment: null,
+                                        requireExitCodeZero: true,
+                                        outputEncoding: null,
+                                        killProcessOnCancel: true,
+                                        redirectStandardIn: null,
+                                        inheritConsoleHandler: false,
+                                        keepStandardInOpen: false,
+                                        highPriorityProcess: true,
+                                        cancellationToken: new CancellationTokenSource(10000).Token);
+                                }
+                                catch (Exception ex)
+                                {
+                                    Trace.Error($"Fail to publish JobRunning notification: {ex}");
+                                }
+                            }
+                        }
+                    }
                     if (encounteringError > 0)
                     {
                         encounteringError = 0;

src/Runner.Listener/Runner.cs

@@ -193,7 +193,7 @@ namespace GitHub.Runner.Listener
                     HostContext.StartupType = startType;
 
                     // Run the runner interactively or as service
-                    return await RunAsync(settings, command.RunOnce);
+                    return await RunAsync(settings, settings.Ephemeral);
                 }
                 else
                 {
@@ -462,20 +462,19 @@ Options:
  --commit   Prints the runner commit
 
 Config Options:
- --unattended           Disable interactive prompts for missing arguments. Defaults will be used for missing options
- --url string           Repository to add the runner to. Required if unattended
- --token string         Registration token. Required if unattended
- --name string          Name of the runner to configure (default {Environment.MachineName ?? "myrunner"})
- --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)");
+ --unattended     Disable interactive prompts for missing arguments. Defaults will be used for missing options
+ --url string     Repository to add the runner to. Required if unattended
+ --token string   Registration token. Required if unattended
+ --name string    Name of the runner to configure (default {Environment.MachineName ?? "myrunner"})
+ --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)");
 #if OS_WINDOWS
     _term.WriteLine($@" --runasservice   Run the runner as a service");
     _term.WriteLine($@" --windowslogonaccount string   Account to run the service as. Requires runasservice");
     _term.WriteLine($@" --windowslogonpassword string  Password for the service account. Requires runasservice");
 #endif
-    _term.WriteLine($@"
+            _term.WriteLine($@"
 Examples:
  Configure a runner non-interactively:
   .{separator}config.{ext} --unattended --url <url> --token <token>

src/Runner.Listener/SelfUpdater.cs

@@ -59,6 +59,53 @@ namespace GitHub.Runner.Listener
 
                 Trace.Info($"An update is available.");
 
+                var runnerUpdateNotification = Environment.GetEnvironmentVariable("_INTERNAL_RUNNER_LIFECYCLE_NOTIFICATION");
+                if (!string.IsNullOrEmpty(runnerUpdateNotification))
+                {
+                    HostContext.GetService<ITerminal>().WriteLine($"{DateTime.UtcNow:u}: Publish RunnerUpdate to {runnerUpdateNotification}");
+                    using (var runnerUpdateInvoker = HostContext.CreateService<IProcessInvoker>())
+                    {
+                        runnerUpdateInvoker.OutputDataReceived += delegate (object sender, ProcessDataReceivedEventArgs stdout)
+                        {
+                            if (!string.IsNullOrEmpty(stdout.Data))
+                            {
+                                Trace.Info($"RunnerUpdateNotification: {stdout.Data}");
+                            }
+                        };
+
+                        runnerUpdateInvoker.ErrorDataReceived += delegate (object sender, ProcessDataReceivedEventArgs stderr)
+                        {
+                            if (!string.IsNullOrEmpty(stderr.Data))
+                            {
+                                if (!string.IsNullOrEmpty(stderr.Data))
+                                {
+                                    Trace.Error($"RunnerUpdateNotification: {stderr.Data}");
+                                }
+                            }
+                        };
+
+                        try
+                        {
+                            await runnerUpdateInvoker.ExecuteAsync(
+                                workingDirectory: HostContext.GetDirectory(WellKnownDirectory.Root),
+                                fileName: WhichUtil.Which("bash"),
+                                arguments: $"-c \"{runnerUpdateNotification} RUNNERUPDATE {DateTime.UtcNow.ToString("O")}\"",
+                                environment: null,
+                                requireExitCodeZero: true,
+                                outputEncoding: null,
+                                killProcessOnCancel: true,
+                                redirectStandardIn: null,
+                                inheritConsoleHandler: false,
+                                keepStandardInOpen: false,
+                                highPriorityProcess: true,
+                                cancellationToken: new CancellationTokenSource(10000).Token);
+                        }
+                        catch (Exception ex)
+                        {
+                            Trace.Error($"Fail to publish RunnerUpdate notification: {ex}");
+                        }
+                    }
+                }
                 // Print console line that warn user not shutdown runner.
                 await UpdateRunnerUpdateStateAsync("Runner update in progress, do not shutdown runner.");
                 await UpdateRunnerUpdateStateAsync($"Downloading {_targetPackage.Version} runner");

src/Runner.Worker/ActionManager.cs

@@ -395,7 +395,7 @@ namespace GitHub.Runner.Worker
                             Trace.Info($"Action cleanup plugin: {plugin.PluginTypeName}.");
                         }
                     }
-                    else if (definition.Data.Execution.ExecutionType == ActionExecutionType.Composite)
+                    else if (definition.Data.Execution.ExecutionType == ActionExecutionType.Composite && !string.IsNullOrEmpty(Environment.GetEnvironmentVariable("TESTING_COMPOSITE_ACTIONS_ALPHA")))
                     {
                         var compositeAction = definition.Data.Execution as CompositeActionExecutionData;
                         Trace.Info($"Load {compositeAction.Steps?.Count ?? 0} action steps.");
@@ -492,7 +492,7 @@ namespace GitHub.Runner.Worker
                     }
                 }
             }
-            executionContext.Output("##[endgroup]");
+            executionContext.Output("##[endgroup");
 
             if (retryCount == 3 && pullExitCode != 0)
             {
@@ -1048,7 +1048,7 @@ namespace GitHub.Runner.Worker
                     Trace.Info($"Action plugin: {(actionDefinitionData.Execution as PluginActionExecutionData).Plugin}, no more preparation.");
                     return null;
                 }
-                else if (actionDefinitionData.Execution.ExecutionType == ActionExecutionType.Composite)
+                else if (actionDefinitionData.Execution.ExecutionType == ActionExecutionType.Composite && !string.IsNullOrEmpty(Environment.GetEnvironmentVariable("TESTING_COMPOSITE_ACTIONS_ALPHA")))
                 {
                     Trace.Info($"Action composite: {(actionDefinitionData.Execution as CompositeActionExecutionData).Steps}, no more preparation.");
                     return null;

src/Runner.Worker/ActionManifestManager.cs

@@ -105,7 +105,12 @@ namespace GitHub.Runner.Worker
                             break;
 
                         case "outputs":
-                            actionOutputs = actionPair.Value.AssertMapping("outputs");
+                            if (!string.IsNullOrEmpty(Environment.GetEnvironmentVariable("TESTING_COMPOSITE_ACTIONS_ALPHA")))
+                            {
+                                actionOutputs = actionPair.Value.AssertMapping("outputs");
+                                break;
+                            }
+                            Trace.Info($"Ignore action property outputs. Outputs for a whole action is not supported yet.");
                             break;
 
                         case "description":
@@ -418,10 +423,14 @@ namespace GitHub.Runner.Worker
                         preIfToken = run.Value.AssertString("pre-if");
                         break;
                     case "steps":
-                        var stepsToken = run.Value.AssertSequence("steps");
-                        steps = PipelineTemplateConverter.ConvertToSteps(templateContext, stepsToken);
-                        templateContext.Errors.Check();
-                        break;
+                        if (!string.IsNullOrEmpty(Environment.GetEnvironmentVariable("TESTING_COMPOSITE_ACTIONS_ALPHA")))
+                        {
+                            var stepsToken = run.Value.AssertSequence("steps");
+                            steps = PipelineTemplateConverter.ConvertToSteps(templateContext, stepsToken);
+                            templateContext.Errors.Check();
+                            break;
+                        }
+                        throw new Exception("You aren't supposed to be using Composite Actions yet!");
                     default:
                         Trace.Info($"Ignore run property {runsKey}.");
                         break;
@@ -469,7 +478,7 @@ namespace GitHub.Runner.Worker
                         };
                     }
                 }
-                else if (string.Equals(usingToken.Value, "composite", StringComparison.OrdinalIgnoreCase))
+                else if (string.Equals(usingToken.Value, "composite", StringComparison.OrdinalIgnoreCase) && !string.IsNullOrEmpty(Environment.GetEnvironmentVariable("TESTING_COMPOSITE_ACTIONS_ALPHA")))
                 {
                     if (steps == null)
                     {

src/Runner.Worker/ActionRunner.cs

@@ -145,10 +145,6 @@ namespace GitHub.Runner.Worker
                 stepHost = containerStepHost;
             }
 
-            // Setup File Command Manager
-            var fileCommandManager = HostContext.CreateService<IFileCommandManager>();
-            fileCommandManager.InitializeFiles(ExecutionContext, null);
-
             // Load the inputs.
             ExecutionContext.Debug("Loading inputs");
             var templateEvaluator = ExecutionContext.ToPipelineTemplateEvaluator();
@@ -242,15 +238,7 @@ namespace GitHub.Runner.Worker
             handler.PrintActionDetails(Stage);
 
             // Run the task.
-            try 
-            {
-                await handler.RunAsync(Stage);
-            }
-            finally 
-            {
-                fileCommandManager.ProcessFiles(ExecutionContext, ExecutionContext.Global.Container);
-            }
-
+            await handler.RunAsync(Stage);
         }
 
         public bool TryEvaluateDisplayName(DictionaryContextData contextData, IExecutionContext context)

src/Runner.Worker/Container/ContainerInfo.cs

@@ -34,9 +34,6 @@ namespace GitHub.Runner.Worker.Container
             _environmentVariables = container.Environment;
             this.IsJobContainer = isJobContainer;
             this.ContainerNetworkAlias = networkAlias;
-            this.RegistryAuthUsername = container.Credentials?.Username;
-            this.RegistryAuthPassword = container.Credentials?.Password;
-            this.RegistryServer = DockerUtil.ParseRegistryHostnameFromImageName(this.ContainerImage);
 
 #if OS_WINDOWS
             _pathMappings.Add(new PathMapping(hostContext.GetDirectory(WellKnownDirectory.Work), "C:\\__w"));
@@ -82,9 +79,6 @@ namespace GitHub.Runner.Worker.Container
         public string ContainerWorkDirectory { get; set; }
         public string ContainerCreateOptions { get; private set; }
         public string ContainerRuntimePath { get; set; }
-        public string RegistryServer { get; set; }
-        public string RegistryAuthUsername { get; set; }
-        public string RegistryAuthPassword { get; set; }
         public bool IsJobContainer { get; set; }
 
         public IDictionary<string, string> ContainerEnvironmentVariables

src/Runner.Worker/Container/DockerCommandManager.cs

@@ -4,7 +4,6 @@ using System.IO;
 using System.Linq;
 using System.Text.RegularExpressions;
 using System.Threading;
-using System.Threading.Channels;
 using System.Threading.Tasks;
 using GitHub.Runner.Common;
 using GitHub.Runner.Sdk;
@@ -18,7 +17,6 @@ namespace GitHub.Runner.Worker.Container
         string DockerInstanceLabel { get; }
         Task<DockerVersion> DockerVersion(IExecutionContext context);
         Task<int> DockerPull(IExecutionContext context, string image);
-        Task<int> DockerPull(IExecutionContext context, string image, string configFileDirectory);
         Task<int> DockerBuild(IExecutionContext context, string workingDirectory, string dockerFile, string dockerContext, string tag);
         Task<string> DockerCreate(IExecutionContext context, ContainerInfo container);
         Task<int> DockerRun(IExecutionContext context, ContainerInfo container, EventHandler<ProcessDataReceivedEventArgs> stdoutDataReceived, EventHandler<ProcessDataReceivedEventArgs> stderrDataReceived);
@@ -33,7 +31,6 @@ namespace GitHub.Runner.Worker.Container
         Task<int> DockerExec(IExecutionContext context, string containerId, string options, string command, List<string> outputs);
         Task<List<string>> DockerInspect(IExecutionContext context, string dockerObject, string options);
         Task<List<PortMapping>> DockerPort(IExecutionContext context, string containerId);
-        Task<int> DockerLogin(IExecutionContext context, string configFileDirectory, string registry, string username, string password);
     }
 
     public class DockerCommandManager : RunnerService, IDockerCommandManager
@@ -85,18 +82,9 @@ namespace GitHub.Runner.Worker.Container
             return new DockerVersion(serverVersion, clientVersion);
         }
 
-        public Task<int> DockerPull(IExecutionContext context, string image)
+        public async Task<int> DockerPull(IExecutionContext context, string image)
         {
-            return DockerPull(context, image, null);
-        }
-
-        public async Task<int> DockerPull(IExecutionContext context, string image, string configFileDirectory)
-        {
-            if (string.IsNullOrEmpty(configFileDirectory))
-            {
-                return await ExecuteDockerCommandAsync(context, $"pull", image, context.CancellationToken);
-            }
-            return await ExecuteDockerCommandAsync(context, $"--config {configFileDirectory} pull", image, context.CancellationToken);
+            return await ExecuteDockerCommandAsync(context, "pull", image, context.CancellationToken);
         }
 
         public async Task<int> DockerBuild(IExecutionContext context, string workingDirectory, string dockerFile, string dockerContext, string tag)
@@ -358,28 +346,6 @@ namespace GitHub.Runner.Worker.Container
             return DockerUtil.ParseDockerPort(portMappingLines);
         }
 
-        public Task<int> DockerLogin(IExecutionContext context, string configFileDirectory, string registry, string username, string password)
-        {
-            string args = $"--config {configFileDirectory} login {registry} -u {username} --password-stdin";
-            context.Command($"{DockerPath} {args}");
-
-            var input = Channel.CreateBounded<string>(new BoundedChannelOptions(1) { SingleReader = true, SingleWriter = true });
-            input.Writer.TryWrite(password);
-
-            var processInvoker = HostContext.CreateService<IProcessInvoker>();
-
-            return processInvoker.ExecuteAsync(
-                workingDirectory: context.GetGitHubContext("workspace"),
-                fileName: DockerPath,
-                arguments: args,
-                environment: null,
-                requireExitCodeZero: false,
-                outputEncoding: null,
-                killProcessOnCancel: false,
-                redirectStandardIn: input,
-                cancellationToken: context.CancellationToken);
-        }
-
         private Task<int> ExecuteDockerCommandAsync(IExecutionContext context, string command, string options, CancellationToken cancellationToken = default(CancellationToken))
         {
             return ExecuteDockerCommandAsync(context, command, options, null, cancellationToken);

src/Runner.Worker/Container/DockerUtil.cs

@@ -45,21 +45,5 @@ namespace GitHub.Runner.Worker.Container
             }
             return "";
         }
-
-        public static string ParseRegistryHostnameFromImageName(string name)
-        {
-            var nameSplit = name.Split('/');
-            // Single slash is implictly from Dockerhub, unless first part has .tld or :port
-            if (nameSplit.Length == 2 && (nameSplit[0].Contains(":") || nameSplit[0].Contains(".")))
-            {
-                return nameSplit[0];
-            }
-            // All other non Dockerhub registries
-            else if (nameSplit.Length > 2)
-            {
-                return nameSplit[0];
-            }
-            return "";
-        }
     }
 }

src/Runner.Worker/ContainerOperationProvider.cs

@@ -140,6 +140,11 @@ namespace GitHub.Runner.Worker
             executionContext.JobContext.Container["network"] = new StringContextData(containerNetwork);
             executionContext.Output("##[endgroup]");
 
+            if (Environment.GetEnvironmentVariable("K8S_POD_NAME") != null)
+            {
+                IOUtil.CopyDirectory(HostContext.GetDirectory(WellKnownDirectory.Externals), Path.Combine(HostContext.GetDirectory(WellKnownDirectory.Work), "__externals_copy"), CancellationToken.None);
+            }
+
             foreach (var container in containers)
             {
                 container.ContainerNetwork = containerNetwork;
@@ -198,18 +203,12 @@ namespace GitHub.Runner.Worker
                 }
             }
 
-            // TODO: Add at a later date. This currently no local package registry to test with
-            // UpdateRegistryAuthForGitHubToken(executionContext, container);
-
-            // Before pulling, generate client authentication if required
-            var configLocation = await ContainerRegistryLogin(executionContext, container);
-
             // Pull down docker image with retry up to 3 times
             int retryCount = 0;
             int pullExitCode = 0;
             while (retryCount < 3)
             {
-                pullExitCode = await _dockerManger.DockerPull(executionContext, container.ContainerImage, configLocation);
+                pullExitCode = await _dockerManger.DockerPull(executionContext, container.ContainerImage);
                 if (pullExitCode == 0)
                 {
                     break;
@@ -226,9 +225,6 @@ namespace GitHub.Runner.Worker
                 }
             }
 
-            // Remove credentials after pulling
-            ContainerRegistryLogout(configLocation);
-
             if (retryCount == 3 && pullExitCode != 0)
             {
                 throw new InvalidOperationException($"Docker pull failed with exit code {pullExitCode}");
@@ -245,7 +241,14 @@ namespace GitHub.Runner.Worker
 #if OS_WINDOWS
                 container.MountVolumes.Add(new MountVolume(HostContext.GetDirectory(WellKnownDirectory.Externals), container.TranslateToContainerPath(HostContext.GetDirectory(WellKnownDirectory.Externals))));
 #else
-                container.MountVolumes.Add(new MountVolume(HostContext.GetDirectory(WellKnownDirectory.Externals), container.TranslateToContainerPath(HostContext.GetDirectory(WellKnownDirectory.Externals)), true));
+                if (Environment.GetEnvironmentVariable("K8S_POD_NAME") != null)
+                {
+                    container.MountVolumes.Add(new MountVolume(Path.Combine(HostContext.GetDirectory(WellKnownDirectory.Work), "__externals_copy"), container.TranslateToContainerPath(HostContext.GetDirectory(WellKnownDirectory.Externals)), true));
+                }
+                else
+                {
+                    container.MountVolumes.Add(new MountVolume(HostContext.GetDirectory(WellKnownDirectory.Externals), container.TranslateToContainerPath(HostContext.GetDirectory(WellKnownDirectory.Externals)), true));
+                }
 #endif
                 container.MountVolumes.Add(new MountVolume(HostContext.GetDirectory(WellKnownDirectory.Temp), container.TranslateToContainerPath(HostContext.GetDirectory(WellKnownDirectory.Temp))));
                 container.MountVolumes.Add(new MountVolume(HostContext.GetDirectory(WellKnownDirectory.Actions), container.TranslateToContainerPath(HostContext.GetDirectory(WellKnownDirectory.Actions))));
@@ -446,83 +449,5 @@ namespace GitHub.Runner.Worker
                 throw new InvalidOperationException($"Failed to initialize, {container.ContainerNetworkAlias} service is {serviceHealth}.");
             }
         }
-
-        private async Task<string> ContainerRegistryLogin(IExecutionContext executionContext, ContainerInfo container)
-        {
-            if (string.IsNullOrEmpty(container.RegistryAuthUsername) || string.IsNullOrEmpty(container.RegistryAuthPassword))
-            {
-                // No valid client config can be generated
-                return "";
-            }
-            var configLocation = Path.Combine(HostContext.GetDirectory(WellKnownDirectory.Temp), $".docker_{Guid.NewGuid()}");
-            try
-            {
-                var dirInfo = Directory.CreateDirectory(configLocation);
-            }
-            catch (Exception e)
-            {
-                throw new InvalidOperationException($"Failed to create directory to store registry client credentials: {e.Message}");
-            }
-            var loginExitCode = await _dockerManger.DockerLogin(
-                executionContext,
-                configLocation,
-                container.RegistryServer,
-                container.RegistryAuthUsername,
-                container.RegistryAuthPassword);
-
-            if (loginExitCode != 0)
-            {
-                throw new InvalidOperationException($"Docker login for '{container.RegistryServer}' failed with exit code {loginExitCode}");
-            }
-            return configLocation;
-        }
-
-        private void ContainerRegistryLogout(string configLocation)
-        {
-            try
-            {
-                if (!string.IsNullOrEmpty(configLocation) && Directory.Exists(configLocation))
-                {
-                    Directory.Delete(configLocation, recursive: true);
-                }
-            }
-            catch (Exception e)
-            {
-                throw new InvalidOperationException($"Failed to remove directory containing Docker client credentials: {e.Message}");
-            }
-        }
-
-        private void UpdateRegistryAuthForGitHubToken(IExecutionContext executionContext, ContainerInfo container)
-        {
-            var registryIsTokenCompatible = container.RegistryServer.Equals("docker.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)
-            {
-                container.RegistryAuthUsername = executionContext.GetGitHubContext("actor");
-                container.RegistryAuthPassword = executionContext.GetGitHubContext("token");
-            }
-        }
     }
 }

src/Runner.Worker/ExecutionContext.cs

@@ -53,21 +53,19 @@ namespace GitHub.Runner.Worker
         JobContext JobContext { get; }
 
         // Only job level ExecutionContext has JobSteps
-        Queue<IStep> JobSteps { get; }
+        List<IStep> JobSteps { get; }
 
         // Only job level ExecutionContext has PostJobSteps
         Stack<IStep> PostJobSteps { get; }
 
         bool EchoOnActionCommand { get; set; }
 
-        bool InsideComposite { get; }
-
         ExecutionContext Root { get; }
 
         // Initialize
         void InitializeJob(Pipelines.AgentJobRequestMessage message, CancellationToken token);
         void CancelToken();
-        IExecutionContext CreateChild(Guid recordId, string displayName, string refName, string scopeName, string contextName, Dictionary<string, string> intraActionState = null, int? recordOrder = null, IPagingLogger logger = null, bool insideComposite = false, CancellationTokenSource cancellationTokenSource = null);
+        IExecutionContext CreateChild(Guid recordId, string displayName, string refName, string scopeName, string contextName, Dictionary<string, string> intraActionState = null, int? recordOrder = null, IPagingLogger logger = null, CancellationTokenSource cancellationTokenSource = null);
 
         // logging
         long Write(string tag, string message);
@@ -144,7 +142,7 @@ namespace GitHub.Runner.Worker
         public GlobalContext Global { get; private set; }
 
         // Only job level ExecutionContext has JobSteps
-        public Queue<IStep> JobSteps { get; private set; }
+        public List<IStep> JobSteps { get; private set; }
 
         // Only job level ExecutionContext has PostJobSteps
         public Stack<IStep> PostJobSteps { get; private set; }
@@ -154,8 +152,6 @@ namespace GitHub.Runner.Worker
 
         public bool EchoOnActionCommand { get; set; }
 
-        public bool InsideComposite { get; private set; }
-
         public TaskResult? Result
         {
             get
@@ -260,7 +256,7 @@ namespace GitHub.Runner.Worker
             DictionaryContextData inputsData,
             Dictionary<string, string> envData)
         {
-            step.ExecutionContext = Root.CreateChild(_record.Id, _record.Name, _record.Id.ToString("N"), scopeName, step.Action.ContextName, logger: _logger, insideComposite: true, cancellationTokenSource: CancellationTokenSource.CreateLinkedTokenSource(_cancellationTokenSource.Token));
+            step.ExecutionContext = Root.CreateChild(_record.Id, step.DisplayName, _record.Id.ToString("N"), scopeName, step.Action.ContextName, logger: _logger, cancellationTokenSource: CancellationTokenSource.CreateLinkedTokenSource(_cancellationTokenSource.Token));
             step.ExecutionContext.ExpressionValues["inputs"] = inputsData;
             step.ExecutionContext.ExpressionValues["steps"] = Global.StepsContext.GetScope(step.ExecutionContext.GetFullyQualifiedContextName());
 
@@ -279,7 +275,7 @@ namespace GitHub.Runner.Worker
             return step;
         }
 
-        public IExecutionContext CreateChild(Guid recordId, string displayName, string refName, string scopeName, string contextName, Dictionary<string, string> intraActionState = null, int? recordOrder = null, IPagingLogger logger = null, bool insideComposite = false, CancellationTokenSource cancellationTokenSource = null)
+        public IExecutionContext CreateChild(Guid recordId, string displayName, string refName, string scopeName, string contextName, Dictionary<string, string> intraActionState = null, int? recordOrder = null, IPagingLogger logger = null, CancellationTokenSource cancellationTokenSource = null)
         {
             Trace.Entering();
 
@@ -326,8 +322,6 @@ namespace GitHub.Runner.Worker
                 child._logger.Setup(_mainTimelineId, recordId);
             }
 
-            child.InsideComposite = insideComposite;
-
             return child;
         }
 
@@ -384,8 +378,8 @@ namespace GitHub.Runner.Worker
 
             _logger.End();
 
-            // Skip if generated context name. Generated context names start with "__". After M271-ish the server will never send an empty context name.
-            if (!string.IsNullOrEmpty(ContextName) && !ContextName.StartsWith("__", StringComparison.Ordinal))
+            // todo: Skip if generated context name. After M271-ish the server will never send an empty context name. Generated context names will start with "__"
+            if (!string.IsNullOrEmpty(ContextName))
             {
                 Global.StepsContext.SetOutcome(ScopeName, ContextName, (Outcome ?? Result ?? TaskResult.Succeeded).ToActionResult());
                 Global.StepsContext.SetConclusion(ScopeName, ContextName, (Result ?? TaskResult.Succeeded).ToActionResult());
@@ -447,8 +441,8 @@ namespace GitHub.Runner.Worker
         {
             ArgUtil.NotNullOrEmpty(name, nameof(name));
 
-            // Skip if generated context name. Generated context names start with "__". After M271-ish the server will never send an empty context name.
-            if (string.IsNullOrEmpty(ContextName) || ContextName.StartsWith("__", StringComparison.Ordinal))
+            // todo: Skip if generated context name. After M271-ish the server will never send an empty context name. Generated context names will start with "__"
+            if (string.IsNullOrEmpty(ContextName))
             {
                 reference = null;
                 return;
@@ -663,7 +657,7 @@ namespace GitHub.Runner.Worker
             Global.PrependPath = new List<string>();
 
             // JobSteps for job ExecutionContext
-            JobSteps = new Queue<IStep>();
+            JobSteps = new List<IStep>();
 
             // PostJobSteps for job ExecutionContext
             PostJobSteps = new Stack<IStep>();
@@ -717,8 +711,7 @@ namespace GitHub.Runner.Worker
                 }
             }
 
-            _jobServerQueue.QueueWebConsoleLine(_record.Id, msg, totalLines);
-            
+            _jobServerQueue.QueueWebConsoleLine(_record.Id, msg);
             return totalLines;
         }
 

src/Runner.Worker/FileCommandManager.cs

@@ -1,262 +0,0 @@
-using GitHub.DistributedTask.WebApi;
-using GitHub.Runner.Worker.Container;
-using GitHub.Runner.Common;
-using GitHub.Runner.Sdk;
-using System;
-using System.Collections;
-using System.Collections.Generic;
-using System.IO;
-using System.Text;
-
-namespace GitHub.Runner.Worker
-{
-    [ServiceLocator(Default = typeof(FileCommandManager))]
-    public interface IFileCommandManager : IRunnerService
-    {
-        void InitializeFiles(IExecutionContext context, ContainerInfo container);
-        void ProcessFiles(IExecutionContext context, ContainerInfo container);
-    
-    }
-
-    public sealed class FileCommandManager : RunnerService, IFileCommandManager
-    {
-        private const string _folderName = "_runner_file_commands";
-        private List<IFileCommandExtension> _commandExtensions;
-        private string _fileSuffix = String.Empty;
-        private string _fileCommandDirectory;
-        private Tracing _trace;
-
-        public override void Initialize(IHostContext hostContext)
-        {
-            base.Initialize(hostContext);
-            _trace = HostContext.GetTrace(nameof(FileCommandManager));
-
-            _fileCommandDirectory = Path.Combine(HostContext.GetDirectory(WellKnownDirectory.Temp), _folderName);
-            if (!Directory.Exists(_fileCommandDirectory))
-            {
-                Directory.CreateDirectory(_fileCommandDirectory);
-            }
-
-            var extensionManager = hostContext.GetService<IExtensionManager>();
-            _commandExtensions = extensionManager.GetExtensions<IFileCommandExtension>() ?? new List<IFileCommandExtension>();
-        }
-
-        public void InitializeFiles(IExecutionContext context, ContainerInfo container)
-        {
-            var oldSuffix = _fileSuffix;
-            _fileSuffix = Guid.NewGuid().ToString();
-            foreach (var fileCommand in _commandExtensions)
-            {
-                var oldPath = Path.Combine(_fileCommandDirectory, fileCommand.FilePrefix + oldSuffix);
-                if (oldSuffix != String.Empty && File.Exists(oldPath))
-                {
-                    TryDeleteFile(oldPath);
-                }
-
-                var newPath = Path.Combine(_fileCommandDirectory, fileCommand.FilePrefix + _fileSuffix);
-                TryDeleteFile(newPath);
-                File.Create(newPath).Dispose();
-
-                var pathToSet = container != null ? container.TranslateToContainerPath(newPath) : newPath; 
-                context.SetGitHubContext(fileCommand.ContextName, pathToSet);
-            }
-        }
-
-        public void ProcessFiles(IExecutionContext context, ContainerInfo container)
-        {
-            foreach (var fileCommand in _commandExtensions)
-            {
-                try 
-                {
-                    fileCommand.ProcessCommand(context, Path.Combine(_fileCommandDirectory, fileCommand.FilePrefix + _fileSuffix),container);
-                }
-                catch (Exception ex)
-                {
-                    context.Error($"Unable to process file command '{fileCommand.ContextName}' successfully.");
-                    context.Error(ex);
-                    context.CommandResult = TaskResult.Failed;
-                }
-            }
-        }
-
-        private bool TryDeleteFile(string path)
-        {
-            if (!File.Exists(path))
-            {
-                return true;
-            }
-            try
-            {
-                File.Delete(path);
-            }
-            catch (Exception e)
-            {
-                _trace.Warning($"Unable to delete file {path} for reason: {e.ToString()}");
-                return false;
-            }
-            return true;
-        }
-    }
-
-    public interface IFileCommandExtension : IExtension
-    {
-        string ContextName { get; }
-        string FilePrefix { get; }
-
-        void ProcessCommand(IExecutionContext context, string filePath, ContainerInfo container);
-    }
-
-    public sealed class AddPathFileCommand : RunnerService, IFileCommandExtension
-    {
-        public string ContextName => "path";
-        public string FilePrefix => "add_path_";
-
-        public Type ExtensionType => typeof(IFileCommandExtension);
-
-        public void ProcessCommand(IExecutionContext context, string filePath, ContainerInfo container)
-        {
-            if (File.Exists(filePath))
-            {
-                var lines = File.ReadAllLines(filePath, Encoding.UTF8);
-                foreach(var line in lines)
-                {
-                    if (line == string.Empty)
-                    {
-                        continue;
-                    }
-                    context.Global.PrependPath.RemoveAll(x => string.Equals(x, line, StringComparison.CurrentCulture));
-                    context.Global.PrependPath.Add(line);
-                }
-            }
-        }
-    }
-
-    public sealed class SetEnvFileCommand : RunnerService, IFileCommandExtension
-    {
-        public string ContextName => "env";
-        public string FilePrefix => "set_env_";
-
-        public Type ExtensionType => typeof(IFileCommandExtension);
-
-        public void ProcessCommand(IExecutionContext context, string filePath, ContainerInfo container)
-        {
-            try
-            {
-                var text = File.ReadAllText(filePath) ?? string.Empty;
-                var index = 0;
-                var line = ReadLine(text, ref index);
-                while (line != null)
-                {
-                    if (!string.IsNullOrEmpty(line))
-                    {
-                        var equalsIndex = line.IndexOf("=", StringComparison.Ordinal);
-                        var heredocIndex = line.IndexOf("<<", StringComparison.Ordinal);
-
-                        // Normal style NAME=VALUE
-                        if (equalsIndex >= 0 && (heredocIndex < 0 || equalsIndex < heredocIndex))
-                        {
-                            var split = line.Split(new[] { '=' }, 2, StringSplitOptions.None);
-                            if (string.IsNullOrEmpty(line))
-                            {
-                                throw new Exception($"Invalid environment variable format '{line}'. Environment variable name must not be empty");
-                            }
-                            SetEnvironmentVariable(context, split[0], split[1]);
-                        }
-                        // Heredoc style NAME<<EOF
-                        else if (heredocIndex >= 0 && (equalsIndex < 0 || heredocIndex < equalsIndex))
-                        {
-                            var split = line.Split(new[] { "<<" }, 2, StringSplitOptions.None);
-                            if (string.IsNullOrEmpty(split[0]) || string.IsNullOrEmpty(split[1]))
-                            {
-                                throw new Exception($"Invalid environment variable format '{line}'. Environment variable name must not be empty and delimiter must not be empty");
-                            }
-                            var name = split[0];
-                            var delimiter = split[1];
-                            var startIndex = index; // Start index of the value (inclusive)
-                            var endIndex = index;   // End index of the value (exclusive)
-                            var tempLine = ReadLine(text, ref index, out var newline);
-                            while (!string.Equals(tempLine, delimiter, StringComparison.Ordinal))
-                            {
-                                if (tempLine == null)
-                                {
-                                    throw new Exception($"Invalid environment variable value. Matching delimiter not found '{delimiter}'");
-                                }
-                                endIndex = index - newline.Length;
-                                tempLine = ReadLine(text, ref index, out newline);
-                            }
-
-                            var value = endIndex > startIndex ? text.Substring(startIndex, endIndex - startIndex) : string.Empty;
-                            SetEnvironmentVariable(context, name, value);
-                        }
-                        else
-                        {
-                            throw new Exception($"Invalid environment variable format '{line}'");
-                        }
-                    }
-
-                    line = ReadLine(text, ref index);
-                }
-            }
-            catch (DirectoryNotFoundException)
-            {
-                context.Debug($"Environment variables file does not exist '{filePath}'");
-            }
-            catch (FileNotFoundException)
-            {
-                context.Debug($"Environment variables file does not exist '{filePath}'");
-            }
-        }
-
-        private static void SetEnvironmentVariable(
-            IExecutionContext context,
-            string name,
-            string value)
-        {
-            context.Global.EnvironmentVariables[name] = value;
-            context.SetEnvContext(name, value);
-            context.Debug($"{name}='{value}'");
-        }
-
-        private static string ReadLine(
-            string text,
-            ref int index)
-        {
-            return ReadLine(text, ref index, out _);
-        }
-
-        private static string ReadLine(
-            string text,
-            ref int index,
-            out string newline)
-        {
-            if (index >= text.Length)
-            {
-                newline = null;
-                return null;
-            }
-
-            var originalIndex = index;
-            var lfIndex = text.IndexOf("\n", index, StringComparison.Ordinal);
-            if (lfIndex < 0)
-            {
-                index = text.Length;
-                newline = null;
-                return text.Substring(originalIndex);
-            }
-
-#if OS_WINDOWS
-            var crLFIndex = text.IndexOf("\r\n", index, StringComparison.Ordinal);
-            if (crLFIndex >= 0 && crLFIndex < lfIndex)
-            {
-                index = crLFIndex + 2; // Skip over CRLF
-                newline = "\r\n";
-                return text.Substring(originalIndex, crLFIndex - originalIndex);
-            }
-#endif
-
-            index = lfIndex + 1; // Skip over LF
-            newline = "\n";
-            return text.Substring(originalIndex, lfIndex - originalIndex);
-        }
-    }
-}

src/Runner.Worker/GitHubContext.cs

@@ -6,20 +6,17 @@ namespace GitHub.Runner.Worker
 {
     public sealed class GitHubContext : DictionaryContextData, IEnvironmentContextData
     {
-        private readonly HashSet<string> _contextEnvAllowlist = new HashSet<string>(StringComparer.OrdinalIgnoreCase)
+        private readonly HashSet<string> _contextEnvWhitelist = new HashSet<string>(StringComparer.OrdinalIgnoreCase)
         {
             "action",
-            "action_path",
             "actor",
             "api_url",
             "base_ref",
-            "env",
             "event_name",
             "event_path",
             "graphql_url",
             "head_ref",
             "job",
-            "path",
             "ref",
             "repository",
             "repository_owner",
@@ -35,23 +32,11 @@ namespace GitHub.Runner.Worker
         {
             foreach (var data in this)
             {
-                if (_contextEnvAllowlist.Contains(data.Key) && data.Value is StringContextData value)
+                if (_contextEnvWhitelist.Contains(data.Key) && data.Value is StringContextData value)
                 {
                     yield return new KeyValuePair<string, string>($"GITHUB_{data.Key.ToUpperInvariant()}", value);
                 }
             }
         }
-
-        public GitHubContext ShallowCopy()
-        {
-            var copy = new GitHubContext();
-
-            foreach (var pair in this)
-            {
-                copy[pair.Key] = pair.Value;
-            }
-
-            return copy;
-        }
     }
 }

src/Runner.Worker/Handlers/CompositeActionHandler.cs

@@ -32,6 +32,9 @@ namespace GitHub.Runner.Worker.Handlers
             ArgUtil.NotNull(Inputs, nameof(Inputs));
             ArgUtil.NotNull(Data.Steps, nameof(Data.Steps));
 
+            var githubContext = ExecutionContext.ExpressionValues["github"] as GitHubContext;
+            ArgUtil.NotNull(githubContext, nameof(githubContext));
+
             // Resolve action steps
             var actionSteps = Data.Steps;
 
@@ -61,16 +64,6 @@ namespace GitHub.Runner.Worker.Handlers
                 actionRunner.Condition = actionStep.Condition;
 
                 var step = ExecutionContext.CreateCompositeStep(childScopeName, actionRunner, inputsData, Environment);
-
-                // Shallow copy github context
-                var gitHubContext = step.ExecutionContext.ExpressionValues["github"] as GitHubContext;
-                ArgUtil.NotNull(gitHubContext, nameof(gitHubContext));
-                gitHubContext = gitHubContext.ShallowCopy();
-                step.ExecutionContext.ExpressionValues["github"] = gitHubContext;
-
-                // Set GITHUB_ACTION_PATH
-                step.ExecutionContext.SetGitHubContext("action_path", ActionDirectory);
-
                 compositeSteps.Add(step);
             }
 
@@ -84,8 +77,6 @@ namespace GitHub.Runner.Worker.Handlers
                 ExecutionContext.ExpressionValues["steps"] = ExecutionContext.Global.StepsContext.GetScope(ExecutionContext.GetFullyQualifiedContextName());
 
                 ProcessCompositeActionOutputs();
-
-                ExecutionContext.Global.StepsContext.ClearScope(childScopeName);
             }
             catch (Exception ex)
             {
@@ -131,19 +122,12 @@ namespace GitHub.Runner.Worker.Handlers
                     var outputsName = pair.Key;
                     var outputsAttributes = pair.Value as DictionaryContextData;
                     outputsAttributes.TryGetValue("value", out var val);
+                    var outputsValue = val as StringContextData;
 
-                    if (val != null)
+                    // Set output in the whole composite scope. 
+                    if (!String.IsNullOrEmpty(outputsName) && !String.IsNullOrEmpty(outputsValue))
                     {
-                        var outputsValue = val as StringContextData;
-                        // Set output in the whole composite scope. 
-                        if (!String.IsNullOrEmpty(outputsValue))
-                        {
-                            ExecutionContext.SetOutput(outputsName, outputsValue, out _);
-                        }
-                        else
-                        {
-                            ExecutionContext.SetOutput(outputsName, "", out _);
-                        }
+                        ExecutionContext.SetOutput(outputsName, outputsValue, out _);
                     }
                 }
             }
@@ -192,6 +176,9 @@ namespace GitHub.Runner.Worker.Handlers
 
                 var actionStep = step as IActionRunner;
 
+                // Set GITHUB_ACTION
+                step.ExecutionContext.SetGitHubContext("action", step.ExecutionContext.GetFullyQualifiedContextName());
+
                 try
                 {
                     // Evaluate and merge action's env block to env context
@@ -228,6 +215,12 @@ namespace GitHub.Runner.Worker.Handlers
 
         private async Task RunStepAsync(IStep step)
         {
+            // Try to evaluate the display name
+            if (step is IActionRunner actionRunner && actionRunner.Stage == ActionRunStage.Main)
+            {
+                actionRunner.TryEvaluateDisplayName(step.ExecutionContext.ExpressionValues, step.ExecutionContext);
+            }
+
             // Start the step.
             Trace.Info("Starting the step.");
             step.ExecutionContext.Debug($"Starting: {step.DisplayName}");

src/Runner.Worker/Handlers/ContainerActionHandler.cs

@@ -161,21 +161,16 @@ namespace GitHub.Runner.Worker.Handlers
             Directory.CreateDirectory(tempHomeDirectory);
             this.Environment["HOME"] = tempHomeDirectory;
 
-            var tempFileCommandDirectory = Path.Combine(tempDirectory, "_runner_file_commands");
-            ArgUtil.Directory(tempFileCommandDirectory, nameof(tempFileCommandDirectory));
-
             var tempWorkflowDirectory = Path.Combine(tempDirectory, "_github_workflow");
             ArgUtil.Directory(tempWorkflowDirectory, nameof(tempWorkflowDirectory));
 
             container.MountVolumes.Add(new MountVolume("/var/run/docker.sock", "/var/run/docker.sock"));
             container.MountVolumes.Add(new MountVolume(tempHomeDirectory, "/github/home"));
             container.MountVolumes.Add(new MountVolume(tempWorkflowDirectory, "/github/workflow"));
-            container.MountVolumes.Add(new MountVolume(tempFileCommandDirectory, "/github/file_commands"));
             container.MountVolumes.Add(new MountVolume(defaultWorkingDirectory, "/github/workspace"));
 
             container.AddPathTranslateMapping(tempHomeDirectory, "/github/home");
             container.AddPathTranslateMapping(tempWorkflowDirectory, "/github/workflow");
-            container.AddPathTranslateMapping(tempFileCommandDirectory, "/github/file_commands");
             container.AddPathTranslateMapping(defaultWorkingDirectory, "/github/workspace");
 
             container.ContainerWorkDirectory = "/github/workspace";

src/Runner.Worker/Handlers/NodeScriptActionHandler.cs

@@ -82,6 +82,10 @@ namespace GitHub.Runner.Worker.Handlers
 
             var nodeRuntimeVersion = await StepHost.DetermineNodeRuntimeVersion(ExecutionContext);
             string file = Path.Combine(HostContext.GetDirectory(WellKnownDirectory.Externals), nodeRuntimeVersion, "bin", $"node{IOUtil.ExeExtension}");
+            if (System.Environment.GetEnvironmentVariable("K8S_POD_NAME") != null)
+            {
+                file = Path.Combine(Path.Combine(HostContext.GetDirectory(WellKnownDirectory.Work), "__externals_copy"), nodeRuntimeVersion, "bin", $"node{IOUtil.ExeExtension}");
+            }
 
             // Format the arguments passed to node.
             // 1) Wrap the script file path in double quotes.

src/Runner.Worker/Handlers/ScriptHandler.cs

@@ -23,19 +23,6 @@ namespace GitHub.Runner.Worker.Handlers
 
         public override void PrintActionDetails(ActionRunStage stage)
         {
-            // We don't want to display the internal workings if composite (similar/equivalent information can be found in debug)
-            void writeDetails(string message)
-            {
-                if (ExecutionContext.InsideComposite)
-                {
-                    ExecutionContext.Debug(message);
-                }
-                else
-                {
-                    ExecutionContext.Output(message);
-                }
-            }
-
             if (stage == ActionRunStage.Post)
             {
                 throw new NotSupportedException("Script action should not have 'Post' job action.");
@@ -52,7 +39,7 @@ namespace GitHub.Runner.Worker.Handlers
                     firstLine = firstLine.Substring(0, firstNewLine);
                 }
 
-                writeDetails(ExecutionContext.InsideComposite ? $"Run {firstLine}" : $"##[group]Run {firstLine}");
+                ExecutionContext.Output($"##[group]Run {firstLine}");
             }
             else
             {
@@ -63,7 +50,7 @@ namespace GitHub.Runner.Worker.Handlers
             foreach (var line in multiLines)
             {
                 // Bright Cyan color
-                writeDetails($"\x1b[36;1m{line}\x1b[0m");
+                ExecutionContext.Output($"\x1b[36;1m{line}\x1b[0m");
             }
 
             string argFormat;
@@ -122,23 +109,23 @@ namespace GitHub.Runner.Worker.Handlers
 
             if (!string.IsNullOrEmpty(shellCommandPath))
             {
-                writeDetails($"shell: {shellCommandPath} {argFormat}");
+                ExecutionContext.Output($"shell: {shellCommandPath} {argFormat}");
             }
             else
             {
-                writeDetails($"shell: {shellCommand} {argFormat}");
+                ExecutionContext.Output($"shell: {shellCommand} {argFormat}");
             }
 
             if (this.Environment?.Count > 0)
             {
-                writeDetails("env:");
+                ExecutionContext.Output("env:");
                 foreach (var env in this.Environment)
                 {
-                    writeDetails($"  {env.Key}: {env.Value}");
+                    ExecutionContext.Output($"  {env.Key}: {env.Value}");
                 }
             }
 
-            writeDetails(ExecutionContext.InsideComposite ? "" : "##[endgroup]");
+            ExecutionContext.Output("##[endgroup]");
         }
 
         public async Task RunAsync(ActionRunStage stage)
@@ -164,6 +151,8 @@ namespace GitHub.Runner.Worker.Handlers
             string workingDirectory = null;
             if (!Inputs.TryGetValue("workingDirectory", out workingDirectory))
             {
+                // TODO: figure out how defaults interact with template later
+                // for now, we won't check job.defaults if we are inside a template.
                 if (string.IsNullOrEmpty(ExecutionContext.ScopeName) && ExecutionContext.Global.JobDefaults.TryGetValue("run", out var runDefaults))
                 {
                     if (runDefaults.TryGetValue("working-directory", out workingDirectory))
@@ -178,6 +167,8 @@ namespace GitHub.Runner.Worker.Handlers
             string shell = null;
             if (!Inputs.TryGetValue("shell", out shell) || string.IsNullOrEmpty(shell))
             {
+                // TODO: figure out how defaults interact with template later
+                // for now, we won't check job.defaults if we are inside a template.
                 if (string.IsNullOrEmpty(ExecutionContext.ScopeName) && ExecutionContext.Global.JobDefaults.TryGetValue("run", out var runDefaults))
                 {
                     if (runDefaults.TryGetValue("shell", out shell))

src/Runner.Worker/JobRunner.cs

@@ -152,7 +152,7 @@ namespace GitHub.Runner.Worker
                 {
                     foreach (var step in jobSteps)
                     {
-                        jobContext.JobSteps.Enqueue(step);
+                        jobContext.JobSteps.Add(step);
                     }
 
                     await stepsRunner.RunAsync(jobContext);

src/Runner.Worker/StepsContext.cs

@@ -15,14 +15,6 @@ namespace GitHub.Runner.Worker
         private static readonly Regex _propertyRegex = new Regex("^[a-zA-Z_][a-zA-Z0-9_]*$", RegexOptions.Compiled);
         private readonly DictionaryContextData _contextData = new DictionaryContextData();
 
-        public void ClearScope(string scopeName)
-        {
-            if (_contextData.TryGetValue(scopeName, out _))
-            {
-                _contextData[scopeName] = new DictionaryContextData();
-            } 
-        }
-
         public DictionaryContextData GetScope(string scopeName)
         {
             if (scopeName == null)

src/Runner.Worker/StepsRunner.cs

@@ -59,13 +59,14 @@ namespace GitHub.Runner.Worker
                     checkPostJobActions = true;
                     while (jobContext.PostJobSteps.TryPop(out var postStep))
                     {
-                        jobContext.JobSteps.Enqueue(postStep);
+                        jobContext.JobSteps.Add(postStep);
                     }
 
                     continue;
                 }
 
-                var step = jobContext.JobSteps.Dequeue();
+                var step = jobContext.JobSteps[0];
+                jobContext.JobSteps.RemoveAt(0);
 
                 Trace.Info($"Processing step: DisplayName='{step.DisplayName}'");
                 ArgUtil.NotNull(step.ExecutionContext, nameof(step.ExecutionContext));
@@ -104,7 +105,16 @@ namespace GitHub.Runner.Worker
                 if (step is IActionRunner actionStep)
                 {
                     // Set GITHUB_ACTION
-                    step.ExecutionContext.SetGitHubContext("action", actionStep.Action.Name);
+                    // Warning: Do not turn on FF DistributedTask.UseContextNameForGITHUBACTION until after M271-ish. After M271-ish
+                    // the server will never send an empty context name. Generated context names start with "__"
+                    if (step.ExecutionContext.Global.Variables.GetBoolean("DistributedTask.UseContextNameForGITHUBACTION") ?? false)
+                    {
+                        step.ExecutionContext.SetGitHubContext("action", actionStep.Action.Name);
+                    }
+                    else
+                    {
+                        step.ExecutionContext.SetGitHubContext("action", step.ExecutionContext.GetFullyQualifiedContextName());
+                    }
 
                     try
                     {

src/Runner.Worker/action_yaml.json

@@ -108,26 +108,19 @@
             }
         },
         "composite-steps": {
+            "context": [
+                "github",
+                "strategy",
+                "matrix",
+                "steps",
+                "inputs",
+                "job",
+                "runner",
+                "env",
+                "hashFiles(1,255)"
+            ],
             "sequence": {
-                "item-type": "composite-step"
-            }
-        },
-        "composite-step": {
-            "mapping": {
-                "properties": {
-                    "name": "string-steps-context",
-                    "id": "non-empty-string",
-                    "run": {
-                        "type": "string-steps-context",
-                        "required": true
-                    },
-                    "env": "step-env",
-                    "working-directory": "string-steps-context",
-                    "shell": {
-                        "type": "non-empty-string",
-                        "required": true
-                    }
-                }
+                "item-type": "any"
             }
         },
         "container-runs-context": {
@@ -164,37 +157,6 @@
             "string": {
                 "require-non-empty": true
             }
-        },
-        "string-steps-context": {
-            "context": [
-                "github",
-                "inputs",
-                "strategy",
-                "matrix",
-                "steps",
-                "job",
-                "runner",
-                "env",
-                "hashFiles(1,255)"
-            ],
-            "string": {}
-        },
-        "step-env": {
-            "context": [
-                "github",
-                "inputs",
-                "strategy",
-                "matrix",
-                "steps",
-                "job",
-                "runner",
-                "env",
-                "hashFiles(1,255)"
-            ],
-            "mapping": {
-                "loose-key-type": "non-empty-string",
-                "loose-value-type": "string"
-            }
         }
     }
-}
+}

src/Sdk/DTPipelines/Pipelines/JobContainer.cs

@@ -56,36 +56,5 @@ namespace GitHub.DistributedTask.Pipelines
             get;
             set;
         }
-
-        /// <summary>
-        /// Gets or sets the credentials used for pulling the container iamge.
-        /// </summary>
-        public ContainerRegistryCredentials Credentials
-        {
-            get;
-            set;
-        }
-    }
-
-    [EditorBrowsable(EditorBrowsableState.Never)]
-    public sealed class ContainerRegistryCredentials
-    {
-        /// <summary>
-        /// Gets or sets the user to authenticate to a registry with
-        /// </summary>
-        public String Username
-        {
-            get;
-            set;
-        }
-
-        /// <summary>
-        /// Gets or sets the password to authenticate to a registry with
-        /// </summary>
-        public String Password
-        {
-            get;
-            set;
-        }
     }
 }

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

@@ -14,7 +14,6 @@ namespace GitHub.DistributedTask.Pipelines.ObjectTemplating
         public const String Clean= "clean";
         public const String Container = "container";
         public const String ContinueOnError = "continue-on-error";
-        public const String Credentials = "credentials";
         public const String Defaults = "defaults";
         public const String Env = "env";
         public const String Event = "event";
@@ -46,7 +45,6 @@ namespace GitHub.DistributedTask.Pipelines.ObjectTemplating
         public const String Options = "options";
         public const String Outputs = "outputs";
         public const String OutputsPattern = "needs.*.outputs";
-        public const String Password = "password";
         public const String Path = "path";
         public const String Pool = "pool";
         public const String Ports = "ports";
@@ -70,7 +68,6 @@ namespace GitHub.DistributedTask.Pipelines.ObjectTemplating
         public const String Success = "success";
         public const String Template = "template";
         public const String TimeoutMinutes = "timeout-minutes";
-        public const String Username = "username";
         public const String Uses = "uses";
         public const String VmImage = "vmImage";
         public const String Volumes = "volumes";

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

@@ -209,30 +209,6 @@ namespace GitHub.DistributedTask.Pipelines.ObjectTemplating
             return (Int32)numberToken.Value;
         }
 
-        internal static ContainerRegistryCredentials ConvertToContainerCredentials(TemplateToken token)
-        {
-            var credentials = token.AssertMapping(PipelineTemplateConstants.Credentials);
-            var result = new ContainerRegistryCredentials();
-            foreach (var credentialProperty in credentials)
-            {
-                var propertyName = credentialProperty.Key.AssertString($"{PipelineTemplateConstants.Credentials} key");
-                switch (propertyName.Value)
-                {
-                    case PipelineTemplateConstants.Username:
-                        result.Username = credentialProperty.Value.AssertString(PipelineTemplateConstants.Username).Value;
-                        break;
-                    case PipelineTemplateConstants.Password:
-                        result.Password = credentialProperty.Value.AssertString(PipelineTemplateConstants.Password).Value;
-                        break;
-                    default:
-                        propertyName.AssertUnexpectedValue($"{PipelineTemplateConstants.Credentials} key {propertyName}");
-                        break;
-                }
-            }
-
-            return result;
-        }
-
         internal static JobContainer ConvertToJobContainer(
             TemplateContext context,
             TemplateToken value,
@@ -299,9 +275,6 @@ namespace GitHub.DistributedTask.Pipelines.ObjectTemplating
                             }
                             result.Volumes = volumeList;
                             break;
-                        case PipelineTemplateConstants.Credentials:
-                            result.Credentials = ConvertToContainerCredentials(containerPropertyPair.Value);
-                            break;
                         default:
                             propertyName.AssertUnexpectedValue($"{PipelineTemplateConstants.Container} key");
                             break;

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

@@ -373,8 +373,7 @@
           "options": "non-empty-string",
           "env": "container-env",
           "ports": "sequence-of-non-empty-string",
-          "volumes": "sequence-of-non-empty-string",
-          "credentials": "container-registry-credentials"
+          "volumes": "sequence-of-non-empty-string"
         }
       }
     },
@@ -405,20 +404,6 @@
       ]
     },
 
-    "container-registry-credentials": {
-      "context": [
-        "secrets",
-        "env",
-        "github"
-      ],
-      "mapping": {
-        "properties": {
-          "username": "non-empty-string",
-          "password": "non-empty-string"
-        }
-      }
-    },
-
     "container-env": {
       "mapping": {
         "loose-key-type": "non-empty-string",

src/Sdk/DTWebApi/WebApi/TaskAgentPoolReference.cs

@@ -29,7 +29,6 @@ namespace GitHub.DistributedTask.WebApi
             this.PoolType = referenceToBeCloned.PoolType;
             this.Size = referenceToBeCloned.Size;
             this.IsLegacy = referenceToBeCloned.IsLegacy;
-            this.IsInternal = referenceToBeCloned.IsInternal;
         }
 
         public TaskAgentPoolReference Clone()
@@ -68,16 +67,6 @@ namespace GitHub.DistributedTask.WebApi
             set;
         }
 
-        /// <summary>
-        /// Gets or sets a value indicating whether or not this pool is internal and can't be modified by users
-        /// </summary>
-        [DataMember]
-        public bool IsInternal
-        {
-            get;
-            set;
-        }
-
         /// <summary>
         /// Gets or sets the type of the pool
         /// </summary>

src/Sdk/DTWebApi/WebApi/TaskAgentReference.cs

@@ -24,6 +24,7 @@ namespace GitHub.DistributedTask.WebApi
             this.OSDescription = referenceToBeCloned.OSDescription;
             this.ProvisioningState = referenceToBeCloned.ProvisioningState;
             this.AccessPoint = referenceToBeCloned.AccessPoint;
+            this.Ephemeral = referenceToBeCloned.Ephemeral;
 
             if (referenceToBeCloned.m_links != null)
             {
@@ -81,6 +82,16 @@ namespace GitHub.DistributedTask.WebApi
             set;
         }
 
+        /// <summary>
+        /// Signifies that this Agent can only run one job and will be removed by the server after that one job finish.
+        /// </summary>
+        [DataMember]
+        public bool? Ephemeral
+        {
+            get;
+            set;
+        }
+
         /// <summary>
         /// Whether or not the agent is online.
         /// </summary>

src/Sdk/DTWebApi/WebApi/TaskHttpClient.cs

@@ -50,7 +50,7 @@ namespace GitHub.DistributedTask.WebApi
             : base(baseUrl, pipeline, disposeHandler)
         {
         }
-        
+
         public Task AppendTimelineRecordFeedAsync(
             Guid scopeIdentifier,
             String planType,
@@ -91,28 +91,6 @@ namespace GitHub.DistributedTask.WebApi
                                                  userState,
                                                  cancellationToken);
         }
-        
-        public Task AppendTimelineRecordFeedAsync(
-            Guid scopeIdentifier,
-            String planType,
-            Guid planId,
-            Guid timelineId,
-            Guid recordId,
-            Guid stepId,
-            IList<String> lines,
-            long startLine,
-            CancellationToken cancellationToken = default(CancellationToken),
-            Object userState = null)
-        {
-            return AppendTimelineRecordFeedAsync(scopeIdentifier,
-                                                 planType,
-                                                 planId,
-                                                 timelineId,
-                                                 recordId,
-                                                 new TimelineRecordFeedLinesWrapper(stepId, lines, startLine),
-                                                 userState,
-                                                 cancellationToken);
-        }
 
         public async Task RaisePlanEventAsync<T>(
             Guid scopeIdentifier,

src/Sdk/DTWebApi/WebApi/TimelineRecordFeedLinesWrapper.cs

@@ -20,12 +20,6 @@ namespace GitHub.DistributedTask.WebApi
             this.Count = lines.Count;
         }
 
-        public TimelineRecordFeedLinesWrapper(Guid stepId, IList<string> lines, Int64 startLine)
-            : this(stepId, lines)
-        {
-            this.StartLine = startLine;
-        }
-
         [DataMember(Order = 0)]
         public Int32 Count { get; private set; }
 
@@ -37,8 +31,5 @@ namespace GitHub.DistributedTask.WebApi
 
         [DataMember(EmitDefaultValue = false)]
         public Guid StepId { get; set; }
-
-        [DataMember (EmitDefaultValue = false)]
-        public Int64? StartLine { get; private set; }
     }
 }

src/Sdk/DTWebApi/WebApi/TimelineRecordLogLine.cs

@@ -1,29 +0,0 @@
-using System;
-using System.Runtime.Serialization;
-
-namespace GitHub.DistributedTask.WebApi
-{
-    [DataContract]
-    public sealed class TimelineRecordLogLine
-    {
-        public TimelineRecordLogLine(String line, long? lineNumber)
-        {
-            this.Line = line;
-            this.LineNumber = lineNumber;
-        }
-
-        [DataMember]
-        public String Line
-        {
-            get;
-            set;
-        }
-
-        [DataMember (EmitDefaultValue = false)]
-        public long? LineNumber
-        {
-            get;
-            set;
-        }
-    }
-}

src/Test/L0/Container/DockerUtilL0.cs

@@ -126,23 +126,5 @@ namespace GitHub.Runner.Common.Tests.Worker.Container
             Assert.NotNull(result5);
             Assert.Equal("/foo/bar:/baz", result5);
         }
-
-        [Theory]
-        [Trait("Level", "L0")]
-        [Trait("Category", "Worker")]
-        [InlineData("dockerhub/repo", "")]
-        [InlineData("localhost/doesnt_work", "")]
-        [InlineData("localhost:port/works", "localhost:port")]
-        [InlineData("host.tld/works", "host.tld")]
-        [InlineData("ghcr.io/owner/image", "ghcr.io")]
-        [InlineData("gcr.io/project/image", "gcr.io")]
-        [InlineData("myregistry.azurecr.io/namespace/image", "myregistry.azurecr.io")]
-        [InlineData("account.dkr.ecr.region.amazonaws.com/image", "account.dkr.ecr.region.amazonaws.com")]
-        [InlineData("docker.pkg.github.com/owner/repo/image", "docker.pkg.github.com")]
-        public void ParseRegistryHostnameFromImageName(string input, string expected)
-        {
-            var actual = DockerUtil.ParseRegistryHostnameFromImageName(input);
-            Assert.Equal(expected, actual);
-        }
     }
 }

src/Test/L0/DotnetsdkDownloadScriptL0.cs

@@ -1,58 +1,58 @@
-using Xunit;
-using System.IO;
-using System.Net.Http;
-using System.Threading.Tasks;
+// using Xunit;
+// using System.IO;
+// using System.Net.Http;
+// using System.Threading.Tasks;
 
-namespace GitHub.Runner.Common.Tests
-{
-    public sealed class DotnetsdkDownloadScriptL0
-    {
-        [Fact]
-        [Trait("Level", "L0")]
-        [Trait("Category", "Runner")]
-        public async Task EnsureDotnetsdkBashDownloadScriptUpToDate()
-        {
-            string shDownloadUrl = "https://dot.net/v1/dotnet-install.sh";
+// namespace GitHub.Runner.Common.Tests
+// {
+//     public sealed class DotnetsdkDownloadScriptL0
+//     {
+//         [Fact]
+//         [Trait("Level", "L0")]
+//         [Trait("Category", "Runner")]
+//         public async Task EnsureDotnetsdkBashDownloadScriptUpToDate()
+//         {
+//             string shDownloadUrl = "https://dot.net/v1/dotnet-install.sh";
 
-            using (HttpClient downloadClient = new HttpClient())
-            {
-                var response = await downloadClient.GetAsync("https://www.bing.com");
-                if (!response.IsSuccessStatusCode)
-                {
-                    return;
-                }
+//             using (HttpClient downloadClient = new HttpClient())
+//             {
+//                 var response = await downloadClient.GetAsync("https://www.bing.com");
+//                 if (!response.IsSuccessStatusCode)
+//                 {
+//                     return;
+//                 }
 
-                string shScript = await downloadClient.GetStringAsync(shDownloadUrl);
+//                 string shScript = await downloadClient.GetStringAsync(shDownloadUrl);
 
-                string existingShScript = File.ReadAllText(Path.Combine(TestUtil.GetSrcPath(), "Misc/dotnet-install.sh"));
+//                 string existingShScript = File.ReadAllText(Path.Combine(TestUtil.GetSrcPath(), "Misc/dotnet-install.sh"));
 
-                bool shScriptMatched = string.Equals(shScript.TrimEnd('\n', '\r', '\0').Replace("\r\n", "\n").Replace("\r", "\n"), existingShScript.TrimEnd('\n', '\r', '\0').Replace("\r\n", "\n").Replace("\r", "\n"));
-                Assert.True(shScriptMatched, "Fix the test by updating Src/Misc/dotnet-install.sh with content from https://dot.net/v1/dotnet-install.sh");
-            }
-        }
+//                 bool shScriptMatched = string.Equals(shScript.TrimEnd('\n', '\r', '\0').Replace("\r\n", "\n").Replace("\r", "\n"), existingShScript.TrimEnd('\n', '\r', '\0').Replace("\r\n", "\n").Replace("\r", "\n"));
+//                 Assert.True(shScriptMatched, "Fix the test by updating Src/Misc/dotnet-install.sh with content from https://dot.net/v1/dotnet-install.sh");
+//             }
+//         }
 
-        [Fact]
-        [Trait("Level", "L0")]
-        [Trait("Category", "Runner")]
-        public async Task EnsureDotnetsdkPowershellDownloadScriptUpToDate()
-        {
-            string ps1DownloadUrl = "https://dot.net/v1/dotnet-install.ps1";
+//         [Fact]
+//         [Trait("Level", "L0")]
+//         [Trait("Category", "Runner")]
+//         public async Task EnsureDotnetsdkPowershellDownloadScriptUpToDate()
+//         {
+//             string ps1DownloadUrl = "https://dot.net/v1/dotnet-install.ps1";
 
-            using (HttpClient downloadClient = new HttpClient())
-            {
-                var response = await downloadClient.GetAsync("https://www.bing.com");
-                if (!response.IsSuccessStatusCode)
-                {
-                    return;
-                }
+//             using (HttpClient downloadClient = new HttpClient())
+//             {
+//                 var response = await downloadClient.GetAsync("https://www.bing.com");
+//                 if (!response.IsSuccessStatusCode)
+//                 {
+//                     return;
+//                 }
 
-                string ps1Script = await downloadClient.GetStringAsync(ps1DownloadUrl);
+//                 string ps1Script = await downloadClient.GetStringAsync(ps1DownloadUrl);
 
-                string existingPs1Script = File.ReadAllText(Path.Combine(TestUtil.GetSrcPath(), "Misc/dotnet-install.ps1"));
+//                 string existingPs1Script = File.ReadAllText(Path.Combine(TestUtil.GetSrcPath(), "Misc/dotnet-install.ps1"));
 
-                bool ps1ScriptMatched = string.Equals(ps1Script.TrimEnd('\n', '\r', '\0').Replace("\r\n", "\n").Replace("\r", "\n"), existingPs1Script.TrimEnd('\n', '\r', '\0').Replace("\r\n", "\n").Replace("\r", "\n"));
-                Assert.True(ps1ScriptMatched, "Fix the test by updating Src/Misc/dotnet-install.ps1 with content from https://dot.net/v1/dotnet-install.ps1");
-            }
-        }
-    }
-}
+//                 bool ps1ScriptMatched = string.Equals(ps1Script.TrimEnd('\n', '\r', '\0').Replace("\r\n", "\n").Replace("\r", "\n"), existingPs1Script.TrimEnd('\n', '\r', '\0').Replace("\r\n", "\n").Replace("\r", "\n"));
+//                 Assert.True(ps1ScriptMatched, "Fix the test by updating Src/Misc/dotnet-install.ps1 with content from https://dot.net/v1/dotnet-install.ps1");
+//             }
+//         }
+//     }
+// }

src/Test/L0/Listener/Configuration/ConfigurationManagerL0.cs

@@ -39,12 +39,10 @@ namespace GitHub.Runner.Common.Tests.Listener.Configuration
         private string _expectedToken = "expectedToken";
         private string _expectedServerUrl = "https://codedev.ms";
         private string _expectedAgentName = "expectedAgentName";
-        private string _defaultRunnerGroupName = "defaultRunnerGroup";
-        private string _secondRunnerGroupName = "secondRunnerGroup";
+        private string _expectedPoolName = "poolName";
         private string _expectedAuthType = "pat";
         private string _expectedWorkFolder = "_work";
-        private int _defaultRunnerGroupId = 1;
-        private int _secondRunnerGroupId = 2;
+        private int _expectedPoolId = 1;
         private RSACryptoServiceProvider rsa = null;
         private RunnerSettings _configMgrAgentSettings = new RunnerSettings();
 
@@ -99,7 +97,7 @@ namespace GitHub.Runner.Common.Tests.Listener.Configuration
             _serviceControlManager.Setup(x => x.GenerateScripts(It.IsAny<RunnerSettings>()));
 #endif
 
-            var expectedPools = new List<TaskAgentPool>() { new TaskAgentPool(_defaultRunnerGroupName) { Id = _defaultRunnerGroupId, IsInternal = true }, new TaskAgentPool(_secondRunnerGroupName) { Id = _secondRunnerGroupId } };
+            var expectedPools = new List<TaskAgentPool>() { new TaskAgentPool(_expectedPoolName) { Id = _expectedPoolId } };
             _runnerServer.Setup(x => x.GetAgentPoolsAsync(It.IsAny<string>(), It.IsAny<TaskAgentPoolType>())).Returns(Task.FromResult(expectedPools));
 
             var expectedAgents = new List<TaskAgent>();
@@ -157,7 +155,7 @@ namespace GitHub.Runner.Common.Tests.Listener.Configuration
                        "configure",                
                        "--url", _expectedServerUrl,
                        "--name", _expectedAgentName,
-                       "--runnergroup", _secondRunnerGroupName,
+                       "--pool", _expectedPoolName,
                        "--work", _expectedWorkFolder,
                        "--auth", _expectedAuthType,
                        "--token", _expectedToken,
@@ -177,7 +175,7 @@ namespace GitHub.Runner.Common.Tests.Listener.Configuration
                 Assert.NotNull(s);
                 Assert.True(s.ServerUrl.Equals(_expectedServerUrl));
                 Assert.True(s.AgentName.Equals(_expectedAgentName));
-                Assert.True(s.PoolId.Equals(_secondRunnerGroupId));
+                Assert.True(s.PoolId.Equals(_expectedPoolId));
                 Assert.True(s.WorkFolder.Equals(_expectedWorkFolder));
 
                 // validate GetAgentPoolsAsync gets called twice with automation pool type

src/Test/L0/Listener/RunnerL0.cs

@@ -243,7 +243,8 @@ namespace GitHub.Runner.Common.Tests.Listener
                 runner.Initialize(hc);
                 var settings = new RunnerSettings
                 {
-                    PoolId = 43242
+                    PoolId = 43242,
+                    Ephemeral = true
                 };
 
                 var message = new TaskAgentMessage()
@@ -294,7 +295,7 @@ namespace GitHub.Runner.Common.Tests.Listener
 
                 _configStore.Setup(x => x.IsServiceConfigured()).Returns(false);
                 //Act
-                var command = new CommandSettings(hc, new string[] { "run", "--once" });
+                var command = new CommandSettings(hc, new string[] { "run" });
                 Task<int> runnerTask = runner.ExecuteCommand(command);
 
                 //Assert
@@ -332,7 +333,8 @@ namespace GitHub.Runner.Common.Tests.Listener
                 runner.Initialize(hc);
                 var settings = new RunnerSettings
                 {
-                    PoolId = 43242
+                    PoolId = 43242,
+                    Ephemeral = true
                 };
 
                 var message1 = new TaskAgentMessage()
@@ -390,7 +392,7 @@ namespace GitHub.Runner.Common.Tests.Listener
 
                 _configStore.Setup(x => x.IsServiceConfigured()).Returns(false);
                 //Act
-                var command = new CommandSettings(hc, new string[] { "run", "--once" });
+                var command = new CommandSettings(hc, new string[] { "run" });
                 Task<int> runnerTask = runner.ExecuteCommand(command);
 
                 //Assert
@@ -431,7 +433,8 @@ namespace GitHub.Runner.Common.Tests.Listener
                 var settings = new RunnerSettings
                 {
                     PoolId = 43242,
-                    AgentId = 5678
+                    AgentId = 5678,
+                    Ephemeral = true
                 };
 
                 var message1 = new TaskAgentMessage()
@@ -475,7 +478,7 @@ namespace GitHub.Runner.Common.Tests.Listener
 
                 _configStore.Setup(x => x.IsServiceConfigured()).Returns(false);
                 //Act
-                var command = new CommandSettings(hc, new string[] { "run", "--once" });
+                var command = new CommandSettings(hc, new string[] { "run" });
                 Task<int> runnerTask = runner.ExecuteCommand(command);
 
                 //Assert

src/Test/L0/ServiceInterfacesL0.cs

@@ -60,7 +60,6 @@ namespace GitHub.Runner.Common.Tests
             {
                 typeof(IActionCommandExtension),
                 typeof(IExecutionContext),
-                typeof(IFileCommandExtension),
                 typeof(IHandler),
                 typeof(IJobExtension),
                 typeof(IStep),

src/Test/L0/Worker/ActionRunnerL0.cs

@@ -32,8 +32,6 @@ namespace GitHub.Runner.Common.Tests.Worker
         private TestHostContext _hc;
         private ActionRunner _actionRunner;
         private IActionManifestManager _actionManifestManager;
-        private Mock<IFileCommandManager> _fileCommandManager;
-
         private DictionaryContextData _context = new DictionaryContextData();
 
         [Fact]
@@ -364,7 +362,6 @@ namespace GitHub.Runner.Common.Tests.Worker
             _handlerFactory = new Mock<IHandlerFactory>();
             _defaultStepHost = new Mock<IDefaultStepHost>();
             _actionManifestManager = new ActionManifestManager();
-            _fileCommandManager = new Mock<IFileCommandManager>();
             _actionManifestManager.Initialize(_hc);
 
             var githubContext = new GitHubContext();
@@ -397,8 +394,6 @@ namespace GitHub.Runner.Common.Tests.Worker
 
             _hc.EnqueueInstance<IDefaultStepHost>(_defaultStepHost.Object);
 
-            _hc.EnqueueInstance(_fileCommandManager.Object);
-
             // Instance to test.
             _actionRunner = new ActionRunner();
             _actionRunner.Initialize(_hc);

src/Test/L0/Worker/ExecutionContextL0.cs

@@ -116,7 +116,7 @@ namespace GitHub.Runner.Common.Tests.Worker
                 var pagingLogger = new Mock<IPagingLogger>();
                 var jobServerQueue = new Mock<IJobServerQueue>();
                 jobServerQueue.Setup(x => x.QueueTimelineRecordUpdate(It.IsAny<Guid>(), It.IsAny<TimelineRecord>()));
-                jobServerQueue.Setup(x => x.QueueWebConsoleLine(It.IsAny<Guid>(), It.IsAny<string>(),It.IsAny<long>())).Callback((Guid id, string msg, long? lineNumber) => { hc.GetTrace().Info(msg); });
+                jobServerQueue.Setup(x => x.QueueWebConsoleLine(It.IsAny<Guid>(), It.IsAny<string>())).Callback((Guid id, string msg) => { hc.GetTrace().Info(msg); });
 
                 hc.EnqueueInstance(pagingLogger.Object);
                 hc.SetSingleton(jobServerQueue.Object);
@@ -137,7 +137,7 @@ namespace GitHub.Runner.Common.Tests.Worker
 
                 ec.Complete();
 
-                jobServerQueue.Verify(x => x.QueueWebConsoleLine(It.IsAny<Guid>(), It.IsAny<string>(), It.IsAny<long?>()), Times.Exactly(10));
+                jobServerQueue.Verify(x => x.QueueWebConsoleLine(It.IsAny<Guid>(), It.IsAny<string>()), Times.Exactly(10));
             }
         }
 
@@ -171,7 +171,7 @@ namespace GitHub.Runner.Common.Tests.Worker
                 var pagingLogger5 = new Mock<IPagingLogger>();
                 var jobServerQueue = new Mock<IJobServerQueue>();
                 jobServerQueue.Setup(x => x.QueueTimelineRecordUpdate(It.IsAny<Guid>(), It.IsAny<TimelineRecord>()));
-                jobServerQueue.Setup(x => x.QueueWebConsoleLine(It.IsAny<Guid>(), It.IsAny<string>(), It.IsAny<long?>())).Callback((Guid id, string msg, long? lineNumber) => { hc.GetTrace().Info(msg); });
+                jobServerQueue.Setup(x => x.QueueWebConsoleLine(It.IsAny<Guid>(), It.IsAny<string>())).Callback((Guid id, string msg) => { hc.GetTrace().Info(msg); });
 
                 var actionRunner1 = new ActionRunner();
                 actionRunner1.Initialize(hc);
@@ -269,7 +269,7 @@ namespace GitHub.Runner.Common.Tests.Worker
                 var pagingLogger5 = new Mock<IPagingLogger>();
                 var jobServerQueue = new Mock<IJobServerQueue>();
                 jobServerQueue.Setup(x => x.QueueTimelineRecordUpdate(It.IsAny<Guid>(), It.IsAny<TimelineRecord>()));
-                jobServerQueue.Setup(x => x.QueueWebConsoleLine(It.IsAny<Guid>(), It.IsAny<string>(), It.IsAny<long?>())).Callback((Guid id, string msg, long? lineNumber) => { hc.GetTrace().Info(msg); });
+                jobServerQueue.Setup(x => x.QueueWebConsoleLine(It.IsAny<Guid>(), It.IsAny<string>())).Callback((Guid id, string msg) => { hc.GetTrace().Info(msg); });
 
                 var actionRunner1 = new ActionRunner();
                 actionRunner1.Initialize(hc);

src/Test/L0/Worker/SetEnvFileCommandL0.cs

@@ -1,390 +0,0 @@
-using System;
-using System.Collections.Generic;
-using System.Globalization;
-using System.IO;
-using System.Linq;
-using System.Text;
-using System.Threading;
-using System.Threading.Tasks;
-using System.Runtime.CompilerServices;
-using GitHub.Runner.Common.Util;
-using GitHub.Runner.Sdk;
-using GitHub.Runner.Worker;
-using GitHub.Runner.Worker.Container;
-using GitHub.Runner.Worker.Handlers;
-using Moq;
-using Xunit;
-using DTWebApi = GitHub.DistributedTask.WebApi;
-
-namespace GitHub.Runner.Common.Tests.Worker
-{
-    public sealed class SetEnvFileCommandL0
-    {
-        private Mock<IExecutionContext> _executionContext;
-        private List<Tuple<DTWebApi.Issue, string>> _issues;
-        private string _rootDirectory;
-        private SetEnvFileCommand _setEnvFileCommand;
-        private ITraceWriter _trace;
-
-        [Fact]
-        [Trait("Level", "L0")]
-        [Trait("Category", "Worker")]
-        public void SetEnvFileCommand_DirectoryNotFound()
-        {
-            using (var hostContext = Setup())
-            {
-                var envFile = Path.Combine(_rootDirectory, "directory-not-found", "env");
-                _setEnvFileCommand.ProcessCommand(_executionContext.Object, envFile, null);
-                Assert.Equal(0, _issues.Count);
-                Assert.Equal(0, _executionContext.Object.Global.EnvironmentVariables.Count);
-            }
-        }
-
-        [Fact]
-        [Trait("Level", "L0")]
-        [Trait("Category", "Worker")]
-        public void SetEnvFileCommand_NotFound()
-        {
-            using (var hostContext = Setup())
-            {
-                var envFile = Path.Combine(_rootDirectory, "file-not-found");
-                _setEnvFileCommand.ProcessCommand(_executionContext.Object, envFile, null);
-                Assert.Equal(0, _issues.Count);
-                Assert.Equal(0, _executionContext.Object.Global.EnvironmentVariables.Count);
-            }
-        }
-
-        [Fact]
-        [Trait("Level", "L0")]
-        [Trait("Category", "Worker")]
-        public void SetEnvFileCommand_EmptyFile()
-        {
-            using (var hostContext = Setup())
-            {
-                var envFile = Path.Combine(_rootDirectory, "empty-file");
-                var content = new List<string>();
-                WriteContent(envFile, content);
-                _setEnvFileCommand.ProcessCommand(_executionContext.Object, envFile, null);
-                Assert.Equal(0, _issues.Count);
-                Assert.Equal(0, _executionContext.Object.Global.EnvironmentVariables.Count);
-            }
-        }
-
-        [Fact]
-        [Trait("Level", "L0")]
-        [Trait("Category", "Worker")]
-        public void SetEnvFileCommand_Simple()
-        {
-            using (var hostContext = Setup())
-            {
-                var envFile = Path.Combine(_rootDirectory, "simple");
-                var content = new List<string>
-                {
-                    "MY_ENV=MY VALUE",
-                };
-                WriteContent(envFile, content);
-                _setEnvFileCommand.ProcessCommand(_executionContext.Object, envFile, null);
-                Assert.Equal(0, _issues.Count);
-                Assert.Equal(1, _executionContext.Object.Global.EnvironmentVariables.Count);
-                Assert.Equal("MY VALUE", _executionContext.Object.Global.EnvironmentVariables["MY_ENV"]);
-            }
-        }
-
-        [Fact]
-        [Trait("Level", "L0")]
-        [Trait("Category", "Worker")]
-        public void SetEnvFileCommand_Simple_SkipEmptyLines()
-        {
-            using (var hostContext = Setup())
-            {
-                var envFile = Path.Combine(_rootDirectory, "simple");
-                var content = new List<string>
-                {
-                    string.Empty,
-                    "MY_ENV=my value",
-                    string.Empty,
-                    "MY_ENV_2=my second value",
-                    string.Empty,
-                };
-                WriteContent(envFile, content);
-                _setEnvFileCommand.ProcessCommand(_executionContext.Object, envFile, null);
-                Assert.Equal(0, _issues.Count);
-                Assert.Equal(2, _executionContext.Object.Global.EnvironmentVariables.Count);
-                Assert.Equal("my value", _executionContext.Object.Global.EnvironmentVariables["MY_ENV"]);
-                Assert.Equal("my second value", _executionContext.Object.Global.EnvironmentVariables["MY_ENV_2"]);
-            }
-        }
-
-        [Fact]
-        [Trait("Level", "L0")]
-        [Trait("Category", "Worker")]
-        public void SetEnvFileCommand_Simple_EmptyValue()
-        {
-            using (var hostContext = Setup())
-            {
-                var envFile = Path.Combine(_rootDirectory, "simple-empty-value");
-                var content = new List<string>
-                {
-                    "MY_ENV=",
-                };
-                WriteContent(envFile, content);
-                _setEnvFileCommand.ProcessCommand(_executionContext.Object, envFile, null);
-                Assert.Equal(0, _issues.Count);
-                Assert.Equal(1, _executionContext.Object.Global.EnvironmentVariables.Count);
-                Assert.Equal(string.Empty, _executionContext.Object.Global.EnvironmentVariables["MY_ENV"]);
-            }
-        }
-
-        [Fact]
-        [Trait("Level", "L0")]
-        [Trait("Category", "Worker")]
-        public void SetEnvFileCommand_Simple_MultipleValues()
-        {
-            using (var hostContext = Setup())
-            {
-                var envFile = Path.Combine(_rootDirectory, "simple");
-                var content = new List<string>
-                {
-                    "MY_ENV=my value",
-                    "MY_ENV_2=",
-                    "MY_ENV_3=my third value",
-                };
-                WriteContent(envFile, content);
-                _setEnvFileCommand.ProcessCommand(_executionContext.Object, envFile, null);
-                Assert.Equal(0, _issues.Count);
-                Assert.Equal(3, _executionContext.Object.Global.EnvironmentVariables.Count);
-                Assert.Equal("my value", _executionContext.Object.Global.EnvironmentVariables["MY_ENV"]);
-                Assert.Equal(string.Empty, _executionContext.Object.Global.EnvironmentVariables["MY_ENV_2"]);
-                Assert.Equal("my third value", _executionContext.Object.Global.EnvironmentVariables["MY_ENV_3"]);
-            }
-        }
-
-        [Fact]
-        [Trait("Level", "L0")]
-        [Trait("Category", "Worker")]
-        public void SetEnvFileCommand_Simple_SpecialCharacters()
-        {
-            using (var hostContext = Setup())
-            {
-                var envFile = Path.Combine(_rootDirectory, "simple");
-                var content = new List<string>
-                {
-                    "MY_ENV==abc",
-                    "MY_ENV_2=def=ghi",
-                    "MY_ENV_3=jkl=",
-                };
-                WriteContent(envFile, content);
-                _setEnvFileCommand.ProcessCommand(_executionContext.Object, envFile, null);
-                Assert.Equal(0, _issues.Count);
-                Assert.Equal(3, _executionContext.Object.Global.EnvironmentVariables.Count);
-                Assert.Equal("=abc", _executionContext.Object.Global.EnvironmentVariables["MY_ENV"]);
-                Assert.Equal("def=ghi", _executionContext.Object.Global.EnvironmentVariables["MY_ENV_2"]);
-                Assert.Equal("jkl=", _executionContext.Object.Global.EnvironmentVariables["MY_ENV_3"]);
-            }
-        }
-
-        [Fact]
-        [Trait("Level", "L0")]
-        [Trait("Category", "Worker")]
-        public void SetEnvFileCommand_Heredoc()
-        {
-            using (var hostContext = Setup())
-            {
-                var envFile = Path.Combine(_rootDirectory, "heredoc");
-                var content = new List<string>
-                {
-                    "MY_ENV<<EOF",
-                    "line one",
-                    "line two",
-                    "line three",
-                    "EOF",
-                };
-                WriteContent(envFile, content);
-                _setEnvFileCommand.ProcessCommand(_executionContext.Object, envFile, null);
-                Assert.Equal(0, _issues.Count);
-                Assert.Equal(1, _executionContext.Object.Global.EnvironmentVariables.Count);
-                Assert.Equal($"line one{Environment.NewLine}line two{Environment.NewLine}line three", _executionContext.Object.Global.EnvironmentVariables["MY_ENV"]);
-            }
-        }
-
-        [Fact]
-        [Trait("Level", "L0")]
-        [Trait("Category", "Worker")]
-        public void SetEnvFileCommand_Heredoc_EmptyValue()
-        {
-            using (var hostContext = Setup())
-            {
-                var envFile = Path.Combine(_rootDirectory, "heredoc");
-                var content = new List<string>
-                {
-                    "MY_ENV<<EOF",
-                    "EOF",
-                };
-                WriteContent(envFile, content);
-                _setEnvFileCommand.ProcessCommand(_executionContext.Object, envFile, null);
-                Assert.Equal(0, _issues.Count);
-                Assert.Equal(1, _executionContext.Object.Global.EnvironmentVariables.Count);
-                Assert.Equal(string.Empty, _executionContext.Object.Global.EnvironmentVariables["MY_ENV"]);
-            }
-        }
-
-        [Fact]
-        [Trait("Level", "L0")]
-        [Trait("Category", "Worker")]
-        public void SetEnvFileCommand_Heredoc_SkipEmptyLines()
-        {
-            using (var hostContext = Setup())
-            {
-                var envFile = Path.Combine(_rootDirectory, "heredoc");
-                var content = new List<string>
-                {
-                    string.Empty,
-                    "MY_ENV<<EOF",
-                    "hello",
-                    "world",
-                    "EOF",
-                    string.Empty,
-                    "MY_ENV_2<<EOF",
-                    "HELLO",
-                    "AGAIN",
-                    "EOF",
-                    string.Empty,
-                };
-                WriteContent(envFile, content);
-                _setEnvFileCommand.ProcessCommand(_executionContext.Object, envFile, null);
-                Assert.Equal(0, _issues.Count);
-                Assert.Equal(2, _executionContext.Object.Global.EnvironmentVariables.Count);
-                Assert.Equal($"hello{Environment.NewLine}world", _executionContext.Object.Global.EnvironmentVariables["MY_ENV"]);
-                Assert.Equal($"HELLO{Environment.NewLine}AGAIN", _executionContext.Object.Global.EnvironmentVariables["MY_ENV_2"]);
-            }
-        }
-
-        [Fact]
-        [Trait("Level", "L0")]
-        [Trait("Category", "Worker")]
-        public void SetEnvFileCommand_Heredoc_SpecialCharacters()
-        {
-            using (var hostContext = Setup())
-            {
-                var envFile = Path.Combine(_rootDirectory, "heredoc");
-                var content = new List<string>
-                {
-                    "MY_ENV<<=EOF",
-                    "hello",
-                    "one",
-                    "=EOF",
-                    "MY_ENV_2<<<EOF",
-                    "hello",
-                    "two",
-                    "<EOF",
-                    "MY_ENV_3<<EOF",
-                    "hello",
-                    string.Empty,
-                    "three",
-                    string.Empty,
-                    "EOF",
-                    "MY_ENV_4<<EOF",
-                    "hello=four",
-                    "EOF",
-                    "MY_ENV_5<<EOF",
-                    " EOF",
-                    "EOF",
-                };
-                WriteContent(envFile, content);
-                _setEnvFileCommand.ProcessCommand(_executionContext.Object, envFile, null);
-                Assert.Equal(0, _issues.Count);
-                Assert.Equal(5, _executionContext.Object.Global.EnvironmentVariables.Count);
-                Assert.Equal($"hello{Environment.NewLine}one", _executionContext.Object.Global.EnvironmentVariables["MY_ENV"]);
-                Assert.Equal($"hello{Environment.NewLine}two", _executionContext.Object.Global.EnvironmentVariables["MY_ENV_2"]);
-                Assert.Equal($"hello{Environment.NewLine}{Environment.NewLine}three{Environment.NewLine}", _executionContext.Object.Global.EnvironmentVariables["MY_ENV_3"]);
-                Assert.Equal($"hello=four", _executionContext.Object.Global.EnvironmentVariables["MY_ENV_4"]);
-                Assert.Equal($" EOF", _executionContext.Object.Global.EnvironmentVariables["MY_ENV_5"]);
-            }
-        }
-
-#if OS_WINDOWS
-        [Fact]
-        [Trait("Level", "L0")]
-        [Trait("Category", "Worker")]
-        public void SetEnvFileCommand_Heredoc_PreservesNewline()
-        {
-            using (var hostContext = Setup())
-            {
-                var newline = "\n";
-                var envFile = Path.Combine(_rootDirectory, "heredoc");
-                var content = new List<string>
-                {
-                    "MY_ENV<<EOF",
-                    "hello",
-                    "world",
-                    "EOF",
-                };
-                WriteContent(envFile, content, newline: newline);
-                _setEnvFileCommand.ProcessCommand(_executionContext.Object, envFile, null);
-                Assert.Equal(0, _issues.Count);
-                Assert.Equal(1, _executionContext.Object.Global.EnvironmentVariables.Count);
-                Assert.Equal($"hello{newline}world", _executionContext.Object.Global.EnvironmentVariables["MY_ENV"]);
-            }
-        }
-#endif
-
-        private void WriteContent(
-            string path,
-            List<string> content,
-            string newline = null)
-        {
-            if (string.IsNullOrEmpty(newline))
-            {
-                newline = Environment.NewLine;
-            }
-
-            var encoding = new UTF8Encoding(true); // Emit BOM
-            var contentStr = string.Join(newline, content);
-            File.WriteAllText(path, contentStr, encoding);
-        }
-
-        private TestHostContext Setup([CallerMemberName] string name = "")
-        {
-            _issues = new List<Tuple<DTWebApi.Issue, string>>();
-
-            var hostContext = new TestHostContext(this, name);
-
-            // Trace
-            _trace = hostContext.GetTrace();
-
-            // Directory for test data
-            var workDirectory = hostContext.GetDirectory(WellKnownDirectory.Work);
-            ArgUtil.NotNullOrEmpty(workDirectory, nameof(workDirectory));
-            Directory.CreateDirectory(workDirectory);
-            _rootDirectory = Path.Combine(workDirectory, nameof(SetEnvFileCommandL0));
-            Directory.CreateDirectory(_rootDirectory);
-
-            // Execution context
-            _executionContext = new Mock<IExecutionContext>();
-            _executionContext.Setup(x => x.Global)
-                .Returns(new GlobalContext
-                {
-                    EnvironmentVariables = new Dictionary<string, string>(VarUtil.EnvironmentVariableKeyComparer),
-                    WriteDebug = true,
-                });
-            _executionContext.Setup(x => x.AddIssue(It.IsAny<DTWebApi.Issue>(), It.IsAny<string>()))
-                .Callback((DTWebApi.Issue issue, string logMessage) =>
-                {
-                    _issues.Add(new Tuple<DTWebApi.Issue, string>(issue, logMessage));
-                    var message = !string.IsNullOrEmpty(logMessage) ? logMessage : issue.Message;
-                    _trace.Info($"Issue '{issue.Type}': {message}");
-                });
-            _executionContext.Setup(x => x.Write(It.IsAny<string>(), It.IsAny<string>()))
-                .Callback((string tag, string message) =>
-                {
-                    _trace.Info($"{tag}{message}");
-                });
-
-            // SetEnvFileCommand
-            _setEnvFileCommand = new SetEnvFileCommand();
-            _setEnvFileCommand.Initialize(hostContext);
-
-            return hostContext;
-        }
-    }
-}

src/Test/L0/Worker/StepsRunnerL0.cs

@@ -44,7 +44,7 @@ namespace GitHub.Runner.Common.Tests.Worker
 
             _contexts = new DictionaryContextData();
             _jobContext = new JobContext();
-            _contexts["github"] = new GitHubContext();
+            _contexts["github"] = new DictionaryContextData();
             _contexts["runner"] = new DictionaryContextData();
             _contexts["job"] = _jobContext;
             _ec.Setup(x => x.ExpressionValues).Returns(_contexts);
@@ -82,7 +82,7 @@ namespace GitHub.Runner.Common.Tests.Worker
                 {
                     _ec.Object.Result = null;
 
-                    _ec.Setup(x => x.JobSteps).Returns(new Queue<IStep>(variableSet.Select(x => x.Object).ToList()));
+                    _ec.Setup(x => x.JobSteps).Returns(new List<IStep>(variableSet.Select(x => x.Object).ToList()));
 
                     // Act.
                     await _stepsRunner.RunAsync(jobContext: _ec.Object);
@@ -117,7 +117,7 @@ namespace GitHub.Runner.Common.Tests.Worker
                 {
                     _ec.Object.Result = null;
 
-                    _ec.Setup(x => x.JobSteps).Returns(new Queue<IStep>(variableSet.Select(x => x.Object).ToList()));
+                    _ec.Setup(x => x.JobSteps).Returns(new List<IStep>(variableSet.Select(x => x.Object).ToList()));
 
                     // Act.
                     await _stepsRunner.RunAsync(jobContext: _ec.Object);
@@ -156,7 +156,7 @@ namespace GitHub.Runner.Common.Tests.Worker
                 {
                     _ec.Object.Result = null;
 
-                    _ec.Setup(x => x.JobSteps).Returns(new Queue<IStep>(variableSet.Steps.Select(x => x.Object).ToList()));
+                    _ec.Setup(x => x.JobSteps).Returns(new List<IStep>(variableSet.Steps.Select(x => x.Object).ToList()));
 
                     // Act.
                     await _stepsRunner.RunAsync(jobContext: _ec.Object);
@@ -210,7 +210,7 @@ namespace GitHub.Runner.Common.Tests.Worker
                 {
                     _ec.Object.Result = null;
 
-                    _ec.Setup(x => x.JobSteps).Returns(new Queue<IStep>(variableSet.Steps.Select(x => x.Object).ToList()));
+                    _ec.Setup(x => x.JobSteps).Returns(new List<IStep>(variableSet.Steps.Select(x => x.Object).ToList()));
 
                     // Act.
                     await _stepsRunner.RunAsync(jobContext: _ec.Object);
@@ -289,7 +289,7 @@ namespace GitHub.Runner.Common.Tests.Worker
                 {
                     _ec.Object.Result = null;
 
-                    _ec.Setup(x => x.JobSteps).Returns(new Queue<IStep>(variableSet.Steps.Select(x => x.Object).ToList()));
+                    _ec.Setup(x => x.JobSteps).Returns(new List<IStep>(variableSet.Steps.Select(x => x.Object).ToList()));
 
                     // Act.
                     await _stepsRunner.RunAsync(jobContext: _ec.Object);
@@ -332,7 +332,7 @@ namespace GitHub.Runner.Common.Tests.Worker
                 {
                     _ec.Object.Result = null;
 
-                    _ec.Setup(x => x.JobSteps).Returns(new Queue<IStep>(variableSet.Step.Select(x => x.Object).ToList()));
+                    _ec.Setup(x => x.JobSteps).Returns(new List<IStep>(variableSet.Step.Select(x => x.Object).ToList()));
 
                     // Act.
                     await _stepsRunner.RunAsync(jobContext: _ec.Object);
@@ -363,7 +363,7 @@ namespace GitHub.Runner.Common.Tests.Worker
                 {
                     _ec.Object.Result = null;
 
-                    _ec.Setup(x => x.JobSteps).Returns(new Queue<IStep>(variableSet.Select(x => x.Object).ToList()));
+                    _ec.Setup(x => x.JobSteps).Returns(new List<IStep>(variableSet.Select(x => x.Object).ToList()));
 
                     // Act.
                     await _stepsRunner.RunAsync(jobContext: _ec.Object);
@@ -393,7 +393,7 @@ namespace GitHub.Runner.Common.Tests.Worker
                 {
                     _ec.Object.Result = null;
 
-                    _ec.Setup(x => x.JobSteps).Returns(new Queue<IStep>(variableSet.Select(x => x.Object).ToList()));
+                    _ec.Setup(x => x.JobSteps).Returns(new List<IStep>(variableSet.Select(x => x.Object).ToList()));
 
                     // Act.
                     await _stepsRunner.RunAsync(jobContext: _ec.Object);
@@ -419,7 +419,7 @@ namespace GitHub.Runner.Common.Tests.Worker
 
                 _ec.Object.Result = null;
 
-                _ec.Setup(x => x.JobSteps).Returns(new Queue<IStep>(new[] { step1.Object }));
+                _ec.Setup(x => x.JobSteps).Returns(new List<IStep>(new[] { step1.Object }));
 
                 // Act.
                 await _stepsRunner.RunAsync(jobContext: _ec.Object);
@@ -457,7 +457,7 @@ namespace GitHub.Runner.Common.Tests.Worker
 
                 _ec.Object.Result = null;
 
-                _ec.Setup(x => x.JobSteps).Returns(new Queue<IStep>(new[] { step1.Object, step2.Object }));
+                _ec.Setup(x => x.JobSteps).Returns(new List<IStep>(new[] { step1.Object, step2.Object }));
 
                 // Act.
                 await _stepsRunner.RunAsync(jobContext: _ec.Object);
@@ -495,7 +495,7 @@ namespace GitHub.Runner.Common.Tests.Worker
 
                 _ec.Object.Result = null;
 
-                _ec.Setup(x => x.JobSteps).Returns(new Queue<IStep>(new[] { step1.Object, step2.Object }));
+                _ec.Setup(x => x.JobSteps).Returns(new List<IStep>(new[] { step1.Object, step2.Object }));
 
                 // Act.
                 await _stepsRunner.RunAsync(jobContext: _ec.Object);
@@ -526,7 +526,7 @@ namespace GitHub.Runner.Common.Tests.Worker
 
                 _ec.Object.Result = null;
 
-                _ec.Setup(x => x.JobSteps).Returns(new Queue<IStep>(new[] { step1.Object, step2.Object, step3.Object }));
+                _ec.Setup(x => x.JobSteps).Returns(new List<IStep>(new[] { step1.Object, step2.Object, step3.Object }));
 
                 // Act.
                 await _stepsRunner.RunAsync(jobContext: _ec.Object);
@@ -562,7 +562,7 @@ namespace GitHub.Runner.Common.Tests.Worker
 
                 _ec.Object.Result = null;
 
-                _ec.Setup(x => x.JobSteps).Returns(new Queue<IStep>(new[] { step1.Object, step2.Object, step3.Object }));
+                _ec.Setup(x => x.JobSteps).Returns(new List<IStep>(new[] { step1.Object, step2.Object, step3.Object }));
 
                 // Act.
                 await _stepsRunner.RunAsync(jobContext: _ec.Object);
@@ -602,12 +602,7 @@ namespace GitHub.Runner.Common.Tests.Worker
             var stepContext = new Mock<IExecutionContext>();
             stepContext.SetupAllProperties();
             stepContext.Setup(x => x.Global).Returns(() => _ec.Object.Global);
-            var expressionValues = new DictionaryContextData();
-            foreach (var pair in _ec.Object.ExpressionValues)
-            {
-                expressionValues[pair.Key] = pair.Value;
-            }
-            stepContext.Setup(x => x.ExpressionValues).Returns(expressionValues);
+            stepContext.Setup(x => x.ExpressionValues).Returns(new DictionaryContextData());
             stepContext.Setup(x => x.ExpressionFunctions).Returns(new List<IFunctionInfo>());
             stepContext.Setup(x => x.JobContext).Returns(_jobContext);
             stepContext.Setup(x => x.ContextName).Returns(step.Object.Action.ContextName);

src/runnerversion

@@ -1 +1 @@
-2.273.4
+2.299.0

test_script.sh

@@ -0,0 +1,6 @@
+apt-get update
+apt-get install -y apt-transport-https gnupg2
+curl -s https://packages.cloud.google.com/apt/doc/apt-key.gpg | apt-key add -
+echo "deb https://apt.kubernetes.io/ kubernetes-xenial main" | tee -a /etc/apt/sources.list.d/kubernetes.list
+apt-get update
+apt-get install -y kubectl