chore: bump chart (#1138)

There is a race condition between ARC and GitHub service about deleting runner pod.

- The ARC use REST API to find a particular runner in a pod that is not running any jobs, so it decides to delete the pod.
- A job is queued on the GitHub service side, and it sends the job to this idle runner right before ARC deletes the pod.
- The ARC delete the runner pod which cause the in-progress job to end up canceled.

To avoid this race condition, I am calling `r.unregisterRunner()` before deleting the pod.
- `r.unregisterRunner()` will return 204 to indicate the runner is deleted from the GitHub service, we should be safe to delete the pod.
- `r.unregisterRunner` will return 400 to indicate the runner is still running a job, so we will leave this runner pod as it is.

TODO: I need to do some E2E tests to force the race condition to happen.

Ref #911

.github/actions/setup-docker-environment/action.yaml

@@ -7,6 +7,12 @@ inputs:
   password:
     description: "Password"
     required: true
+  ghcr_username:
+    description: "GHCR username. Usually set from the github.actor variable"
+    required: true
+  ghcr_password:
+    description: "GHCR password. Usually set from the secrets.GITHUB_TOKEN variable"
+    required: true
 
 outputs:
   sha_short:
@@ -36,3 +42,11 @@ runs:
       with:
         username: ${{ inputs.username }}
         password: ${{ inputs.password }}
+
+    - name: Login to GitHub Container Registry
+      uses: docker/login-action@v1
+      if: ${{ github.ref == 'master' && github.event.pull_request.merged == true }}
+      with:
+        registry: ghcr.io
+        username: ${{ inputs.ghcr_username }}
+        password: ${{ inputs.ghcr_password }}

.github/workflows/on-push-lint-charts.yml

@@ -10,7 +10,7 @@ on:
   workflow_dispatch:
 env:
   KUBE_SCORE_VERSION: 1.10.0
-  HELM_VERSION: v3.4.1
+  HELM_VERSION: v3.8.0
 
 jobs:
   lint-test:
@@ -23,7 +23,7 @@ jobs:
           fetch-depth: 0
 
       - name: Set up Helm
-        uses: azure/setup-helm@v1
+        uses: azure/setup-helm@v2.0
         with:
           version: ${{ env.HELM_VERSION }}
 
@@ -49,7 +49,7 @@ jobs:
           python-version: 3.7
 
       - name: Set up chart-testing
-        uses: helm/chart-testing-action@v2.1.0
+        uses: helm/chart-testing-action@v2.2.0
 
       - name: Run chart-testing (list-changed)
         id: list-changed

.github/workflows/on-push-master-publish-chart.yml

@@ -13,7 +13,7 @@ on:
 
 env:
   KUBE_SCORE_VERSION: 1.10.0
-  HELM_VERSION: v3.4.1
+  HELM_VERSION: v3.8.0
 
 jobs:
   lint-chart:
@@ -28,7 +28,7 @@ jobs:
           fetch-depth: 0
 
       - name: Set up Helm
-        uses: azure/setup-helm@v1
+        uses: azure/setup-helm@v2.0
         with:
           version: ${{ env.HELM_VERSION }}
 
@@ -54,7 +54,7 @@ jobs:
           python-version: 3.7
 
       - name: Set up chart-testing
-        uses: helm/chart-testing-action@v2.1.0
+        uses: helm/chart-testing-action@v2.2.0
 
       - name: Run chart-testing (list-changed)
         id: list-changed
@@ -114,7 +114,7 @@ jobs:
           git config user.email "$GITHUB_ACTOR@users.noreply.github.com"
 
       - name: Run chart-releaser
-        uses: helm/chart-releaser-action@v1.2.1
+        uses: helm/chart-releaser-action@v1.3.0
         env:
           CR_TOKEN: "${{ secrets.GITHUB_TOKEN }}"
 

.github/workflows/release.yml

@@ -18,6 +18,10 @@ jobs:
       - name: Checkout
         uses: actions/checkout@v2
 
+      - uses: actions/setup-go@v2
+        with:
+          go-version: '^1.17.7'
+
       - name: Install tools
         run: |
           curl -L -O https://github.com/kubernetes-sigs/kubebuilder/releases/download/v2.2.0/kubebuilder_2.2.0_linux_amd64.tar.gz

.github/workflows/runners.yml

@@ -15,13 +15,16 @@ on:
       - '!**.md'
 
 env:
-  RUNNER_VERSION: 2.285.1
-  DOCKER_VERSION: 20.10.8
+  RUNNER_VERSION: 2.287.1
+  DOCKER_VERSION: 20.10.12
   DOCKERHUB_USERNAME: summerwind
 
 jobs:
   build:
     runs-on: ubuntu-latest
+    permissions:
+      packages: write
+      contents: read
     name: Build ${{ matrix.name }}-${{ matrix.os-name }}-${{ matrix.os-version }}
     strategy:
       fail-fast: false
@@ -44,8 +47,10 @@ jobs:
         id: vars
         uses: ./.github/actions/setup-docker-environment
         with: 
-          username: ${{ secrets.DOCKER_USER }}
+          username: ${{ env.DOCKERHUB_USERNAME }}
           password: ${{ secrets.DOCKER_ACCESS_TOKEN }}
+          ghcr_username: ${{ github.actor }}
+          ghcr_password: ${{ secrets.GITHUB_TOKEN }}
 
       - name: Build and Push Versioned Tags
         uses: docker/build-push-action@v2
@@ -61,5 +66,8 @@ jobs:
             ${{ env.DOCKERHUB_USERNAME }}/${{ matrix.name }}:v${{ env.RUNNER_VERSION }}-${{ matrix.os-name }}-${{ matrix.os-version }}
             ${{ env.DOCKERHUB_USERNAME }}/${{ matrix.name }}:v${{ env.RUNNER_VERSION }}-${{ matrix.os-name }}-${{ matrix.os-version }}-${{ steps.vars.outputs.sha_short }}
             ${{ env.DOCKERHUB_USERNAME }}/${{ matrix.name }}:latest
+            ghcr.io/${{ github.repository }}/${{ matrix.name }}:latest
+            ghcr.io/${{ github.repository }}/${{ matrix.name }}:v${{ env.RUNNER_VERSION }}-${{ matrix.os-name }}-${{ matrix.os-version }}
+            ghcr.io/${{ github.repository }}/${{ matrix.name }}:v${{ env.RUNNER_VERSION }}-${{ matrix.os-name }}-${{ matrix.os-version }}-${{ steps.vars.outputs.sha_short }}
           cache-from: type=gha
           cache-to: type=gha,mode=max

.github/workflows/test.yaml

@@ -24,7 +24,7 @@ jobs:
       uses: actions/checkout@v2
     - uses: actions/setup-go@v2
       with:
-        go-version: '^1.16.5'
+        go-version: '^1.17.7'
     - run: go version
     - name: Install kubebuilder
       run: |

CONTRIBUTING.md

@@ -95,6 +95,7 @@ To make your development cycle faster, use the below command to update deploy an
 # you either need to bump VERSION and RUNNER_TAG on each run,
 # or manually run `kubectl delete pod $POD` on respective pods for changes to actually take effect.
 
+# Makefile
 VERSION=controller1 \
   RUNNER_TAG=runner1 \
   make acceptance/pull acceptance/kind docker-build acceptance/load acceptance/deploy
@@ -103,14 +104,16 @@ VERSION=controller1 \
 If you've already deployed actions-runner-controller and only want to recreate pods to use the newer image, you can run:
 
 ```shell
+# Makefile
 NAME=$DOCKER_USER/actions-runner-controller \
   make docker-build acceptance/load && \
   kubectl -n actions-runner-system delete po $(kubectl -n actions-runner-system get po -ojsonpath={.items[*].metadata.name})
 ```
 
-Similarly, if you'd like to recreate runner pods with the newer runner image,
+Similarly, if you'd like to recreate runner pods with the newer runner image you can use the runner specific [Makefile](runner/Makefile) to build and / or push new runner images
 
 ```shell
+# runner/Makefile
 NAME=$DOCKER_USER/actions-runner make \
   -C runner docker-{build,push}-ubuntu && \
   (kubectl get po -ojsonpath={.items[*].metadata.name} | xargs -n1 kubectl delete po)

Makefile

@@ -5,6 +5,7 @@ else
 endif
 DOCKER_USER ?= $(shell echo ${NAME} | cut -d / -f1)
 VERSION ?= latest
+TARGETPLATFORM ?= $(shell arch)
 RUNNER_NAME ?= ${DOCKER_USER}/actions-runner
 RUNNER_TAG  ?= ${VERSION}
 TEST_REPO ?= ${DOCKER_USER}/actions-runner-controller
@@ -20,7 +21,7 @@ CERT_MANAGER_VERSION ?= v1.1.1
 KUBE_RBAC_PROXY_VERSION ?= v0.11.0
 
 # Produce CRDs that work back to Kubernetes 1.11 (no version conversion)
-CRD_OPTIONS ?= "crd:trivialVersions=true,generateEmbeddedObjectMeta=true"
+CRD_OPTIONS ?= "crd:generateEmbeddedObjectMeta=true"
 
 # Get the currently used golang install path (in GOPATH/bin, unless GOBIN is set)
 ifeq (,$(shell go env GOBIN))
@@ -111,7 +112,7 @@ generate: controller-gen
 # Build the docker image
 docker-build:
 	docker build -t ${NAME}:${VERSION} .
-	docker build -t ${RUNNER_NAME}:${RUNNER_TAG} --build-arg TARGETPLATFORM=$(shell arch) runner
+	docker build -t ${RUNNER_NAME}:${RUNNER_TAG} --build-arg TARGETPLATFORM=${TARGETPLATFORM} runner
 
 docker-buildx:
 	export DOCKER_CLI_EXPERIMENTAL=enabled
@@ -222,7 +223,7 @@ ifeq (, $(wildcard $(GOBIN)/controller-gen))
 	CONTROLLER_GEN_TMP_DIR=$$(mktemp -d) ;\
 	cd $$CONTROLLER_GEN_TMP_DIR ;\
 	go mod init tmp ;\
-	go get sigs.k8s.io/controller-tools/cmd/controller-gen@v0.6.0 ;\
+	go get sigs.k8s.io/controller-tools/cmd/controller-gen@v0.7.0 ;\
 	rm -rf $$CONTROLLER_GEN_TMP_DIR ;\
 	}
 endif

README.md

@@ -28,12 +28,14 @@ ToC:
   - [Additional Tweaks](#additional-tweaks)
   - [Runner Labels](#runner-labels)
   - [Runner Groups](#runner-groups)
+  - [Runner Entrypoint Features](#runner-entrypoint-features)
   - [Using IRSA (IAM Roles for Service Accounts) in EKS](#using-irsa-iam-roles-for-service-accounts-in-eks)
   - [Stateful Runners](#stateful-runners)
   - [Ephemeral Runners](#ephemeral-runners)
   - [Software Installed in the Runner Image](#software-installed-in-the-runner-image)
   - [Using without cert-manager](#using-without-cert-manager)
   - [Common Errors](#common-errors)
+- [Troubleshooting](#troubleshooting)
 - [Contributing](#contributing)
 
 ## Motivation
@@ -71,7 +73,7 @@ helm upgrade --install --namespace actions-runner-system --create-namespace \
 
 The solution supports both GHEC (GitHub Enterprise Cloud) and GHES (GitHub Enterprise Server) editions as well as regular GitHub. Both PAT (personal access token) and GitHub App authentication works for installations that will be deploying either repository level and / or organization level runners. If you need to deploy enterprise level runners then you are restricted to PAT based authentication as GitHub doesn't support GitHub App based authentication for enterprise runners currently.
 
-If you are deploying this solution into a GHES environment then you will need version >= [3.0.0](https://docs.github.com/en/enterprise-server@3.0/admin/release-notes) as a minimum, in order to use all the features of actions-runner-controller >= [3.3.0](https://docs.github.com/en/enterprise-server@3.3/admin/release-notes) is required.
+If you are deploying this solution into a GHES environment then you will need to be running version >= [3.3.0](https://docs.github.com/en/enterprise-server@3.3/admin/release-notes).
 
 When deploying the solution for a GHES environment you need to provide an additional environment variable as part of the controller deployment:
 
@@ -395,6 +397,8 @@ spec:
   scaleDownDelaySecondsAfterScaleOut: 300
   scaleTargetRef:
     name: example-runner-deployment
+    # Uncomment the below in case the target is not RunnerDeployment but RunnerSet
+    #kind: RunnerSet
   minReplicas: 1
   maxReplicas: 5
   metrics:
@@ -420,6 +424,8 @@ spec:
   scaleTargetRef:
     # Your RunnerDeployment Here
     name: example-runner-deployment
+    # Uncomment the below in case the target is not RunnerDeployment but RunnerSet
+    #kind: RunnerSet
   minReplicas: 1
   maxReplicas: 5
   # Your chosen scaling metrics here
@@ -462,6 +468,8 @@ metadata:
 spec:
   scaleTargetRef:
     name: example-runner-deployment
+    # Uncomment the below in case the target is not RunnerDeployment but RunnerSet
+    #kind: RunnerSet
   minReplicas: 1
   maxReplicas: 5
   metrics:
@@ -495,6 +503,8 @@ metadata:
 spec:
   scaleTargetRef:
     name: example-runner-deployment
+    # Uncomment the below in case the target is not RunnerDeployment but RunnerSet
+    #kind: RunnerSet
   minReplicas: 1
   maxReplicas: 5
   metrics:
@@ -514,6 +524,8 @@ metadata:
 spec:
   scaleTargetRef:
     name: example-runner-deployment
+    # Uncomment the below in case the target is not RunnerDeployment but RunnerSet
+    #kind: RunnerSet
   minReplicas: 1
   maxReplicas: 5
   metrics:
@@ -541,6 +553,8 @@ kind: HorizontalRunnerAutoscaler
 spec:
   scaleTargetRef:
     name: example-runners
+    # Uncomment the below in case the target is not RunnerDeployment but RunnerSet
+    #kind: RunnerSet
   scaleUpTriggers:
   - githubEvent:
       checkRun:
@@ -584,6 +598,8 @@ by learning the following configuration examples.
 - [Example 3: Scale on each `pull_request` event against a given set of branches](#example-3-scale-on-each-pull_request-event-against-a-given-set-of-branches)
 - [Example 4: Scale on each `push` event](#example-4-scale-on-each-push-event)
 
+**Note:** All these examples should have **minReplicas** & **maxReplicas** as mandatory parameter even for webhook driven scaling. 
+
 ##### Example 1: Scale on each `workflow_job` event
 
 > This feature requires controller version => [v0.20.0](https://github.com/actions-runner-controller/actions-runner-controller/releases/tag/v0.20.0)
@@ -607,11 +623,15 @@ kind: HorizontalRunnerAutoscaler
 spec:
   scaleTargetRef:
     name: example-runners
+    # Uncomment the below in case the target is not RunnerDeployment but RunnerSet
+    #kind: RunnerSet
   scaleUpTriggers:
   - githubEvent: {}
     duration: "30m"
 ```
 
+This webhook requires you to explicitly set the labels in the RunnerDeployment / RunnerSet if you are using them in your workflow to match the agents (field `runs-on`). Only `self-hosted` will be considered as included by default.
+
 You can configure your GitHub webhook settings to only include `Workflows Job` events, so that it sends us three kinds of `workflow_job` events per a job run.
 
 Each kind has a `status` of `queued`, `in_progress` and `completed`. With the above configuration, `actions-runner-controller` adds one runner for a `workflow_job` event whose `status` is `queued`. Similarly, it removes one runner for a `workflow_job` event whose `status` is `completed`. The cavaet to this to remember is that this the scale down is within the bounds of your `scaleDownDelaySecondsAfterScaleOut` configuration, if this time hasn't past the scale down will be defered.
@@ -635,6 +655,8 @@ kind: HorizontalRunnerAutoscaler
 spec:
   scaleTargetRef:
     name: example-runners
+    # Uncomment the below in case the target is not RunnerDeployment but RunnerSet
+    #kind: RunnerSet
   scaleUpTriggers:
   - githubEvent:
       checkRun:
@@ -659,6 +681,8 @@ kind: HorizontalRunnerAutoscaler
 spec:
   scaleTargetRef:
     name: example-runners
+    # Uncomment the below in case the target is not RunnerDeployment but RunnerSet
+    #kind: RunnerSet
   scaleUpTriggers:
   - githubEvent:
       checkRun:
@@ -687,6 +711,8 @@ kind: HorizontalRunnerAutoscaler
 spec:
   scaleTargetRef:
     name: example-runners
+    # Uncomment the below in case the target is not RunnerDeployment but RunnerSet
+    #kind: RunnerSet
   scaleUpTriggers:
   - githubEvent:
       pullRequest:
@@ -713,6 +739,8 @@ kind: HorizontalRunnerAutoscaler
 spec:
   scaleTargetRef:
     name: example-runners
+    # Uncomment the below in case the target is not RunnerDeployment but RunnerSet
+    #kind: RunnerSet
   scaleUpTriggers:
   - githubEvent:
       push:
@@ -724,8 +752,6 @@ spec:
 
 > This feature requires controller version => [v0.19.0](https://github.com/actions-runner-controller/actions-runner-controller/releases/tag/v0.19.0)
 
-_Note: The controller creates a "registration-only" runner per RunnerReplicaSet when it is being scaled to zero and retains it until there are one or more runners available. This is a deprecated feature for GitHub Cloud as "registration-only" runners are no longer needed due to GitHub changing their runner [routing logic](https://docs.github.com/en/enterprise-cloud@latest/actions/hosting-your-own-runners/using-self-hosted-runners-in-a-workflow#routing-precedence-for-self-hosted-runners) to no longer fail a workflow run if it targets a runner label that there are no registered runners for._
-
 The regular `RunnerDeployment` `replicas:` attribute as well as the `HorizontalRunnerAutoscaler` `minReplicas:` attribute supports being set to 0.
 
 The main use case for scaling from 0 is with the `HorizontalRunnerAutoscaler` kind. To scale from 0 whilst still being able to provision runners as jobs are queued we must use the `HorizontalRunnerAutoscaler` with only certain scaling configurations, only the below configurations support scaling from 0 whilst also being able to provision runners as jobs are queued:
@@ -739,6 +765,8 @@ The main use case for scaling from 0 is with the `HorizontalRunnerAutoscaler` ki
 
 If a HorizontalRunnerAutoscaler is configured with a secondary metric of `TotalNumberOfQueuedAndInProgressWorkflowRuns` then be aware that the controller will check the primary metric of `PercentageRunnersBusy` first and will only use the secondary metric to calculate the desired replica count if the primary metric returns 0 desired replicas.
 
+Webhook-based autoscaling is the best option as it is relatively easy to configure and also it can scale scale quickly.
+
 #### Scheduled Overrides
 
 > This feature requires controller version => [v0.19.0](https://github.com/actions-runner-controller/actions-runner-controller/releases/tag/v0.19.0)
@@ -758,6 +786,8 @@ metadata:
 spec:
   scaleTargetRef:
     name: example-runner-deployment
+    # Uncomment the below in case the target is not RunnerDeployment but RunnerSet
+    #kind: RunnerSet
   scheduledOverrides:
   # Override minReplicas to 100 only between 2021-06-01T00:00:00+09:00 and 2021-06-03T00:00:00+09:00
   - startTime: "2021-06-01T00:00:00+09:00"
@@ -778,6 +808,8 @@ metadata:
 spec:
   scaleTargetRef:
     name: example-runner-deployment
+    # Uncomment the below in case the target is not RunnerDeployment but RunnerSet
+    #kind: RunnerSet
   scheduledOverrides:
   # Override minReplicas to 0 only between 0am sat to 0am mon
   - startTime: "2021-05-01T00:00:00+09:00"
@@ -918,6 +950,11 @@ spec:
       # false (default) = Docker support is provided by a sidecar container deployed in the runner pod.
       # true = No docker sidecar container is deployed in the runner pod but docker can be used within the runner container instead. The image summerwind/actions-runner-dind is used by default.
       dockerdWithinRunnerContainer: true
+      #Optional environement variables for docker container
+      # Valid only when dockerdWithinRunnerContainer=false
+      dockerEnv:
+        - name: HTTP_PROXY
+          value: http://example.com      
       # Docker sidecar container image tweaks examples below, only applicable if dockerdWithinRunnerContainer = false
       dockerdContainerResources:
         limits:
@@ -1034,6 +1071,46 @@ spec:
       group: NewGroup
 ```
 
+GitHub supports custom visilibity in a Runner Group to make it available to a specific set of repositories only. By default if no GitHub
+authentication is included in the GitHub webhook server it will be assumed that all runner groups to be usable in all repositories.
+Supporting custom visibility requires to do a few GitHub API calls to find out what are the potential runner groups that are visible to
+the webhook's repository, this may incur in increased API rate limiting when using github.com
+
+This option will be enabled when proper GitHub authentication options (token, app or basic auth is provided) in the GitHub webhook server and `useRunnerGroupsVisibility` is set to true, e.g.
+
+```yaml
+githubWebhookServer:
+  enabled: false
+  replicaCount: 1
+  useRunnerGroupsVisibility: true
+```
+
+### Runner Entrypoint Features
+
+> Environment variable values must all be strings
+
+The entrypoint script is aware of a few environment variables for configuring features:
+
+```yaml
+apiVersion: actions.summerwind.dev/v1alpha1
+kind: RunnerDeployment
+metadata:
+  name: example-runnerdeployment
+spec:
+  template:
+    spec:
+      env:
+        # Issues a sleep command at the start of the entrypoint
+        - name: STARTUP_DELAY_IN_SECONDS
+          value: "2"
+        # Disables the wait for the docker daemon to be available check
+        - name: DISABLE_WAIT_FOR_DOCKER
+          value: "true"
+        # Disables automatic runner updates
+        - name: DISABLE_RUNNER_UPDATE
+          value: "true"
+```
+
 ### Using IRSA (IAM Roles for Service Accounts) in EKS
 
 > This feature requires controller version => [v0.15.0](https://github.com/actions-runner-controller/actions-runner-controller/releases/tag/v0.15.0)
@@ -1059,17 +1136,6 @@ spec:
         fsGroup: 1000
 ```
 
-
-### Use with Istio
-
-Istio 1.7.0 or greater has `holdApplicationUntilProxyStarts` added in https://github.com/istio/istio/pull/24737, which enables you to delay the `runner` container startup until the injected `istio-proxy` container finish starting. Try using it if you need to use Istio. Otherwise the runner is unlikely to work, because it fails to call any GitHub API to register itself due to `istio-proxy` being not up and running yet.
-
-Note that there's no official Istio integration in actions-runner-controller. It should work, but it isn't covered by our acceptance test (a contribution to resolve this is welcomed). In addition to that, none of the actions-runner-controller maintainers use Istio daily. If you need more information, or have any issues using it, refer to the following links:
-
-- https://github.com/actions-runner-controller/actions-runner-controller/issues/591
-- https://github.com/actions-runner-controller/actions-runner-controller/pull/592
-- https://github.com/istio/istio/issues/11130
-
 ### Stateful Runners
 
 > This feature requires controller version => [v0.20.0](https://github.com/actions-runner-controller/actions-runner-controller/releases/tag/v0.20.0)
@@ -1265,67 +1331,9 @@ $ helm --upgrade install actions-runner-controller/actions-runner-controller \
   admissionWebHooks.caBundle=${CA_BUNDLE}
 ```
 
-### Common Errors
+# Troubleshooting
 
-#### invalid header field value
-
-```json
-2020-11-12T22:17:30.693Z	ERROR	controller-runtime.controller	Reconciler error	
-{
-  "controller": "runner",
-  "request": "actions-runner-system/runner-deployment-dk7q8-dk5c9",
-  "error": "failed to create registration token: Post \"https://api.github.com/orgs/$YOUR_ORG_HERE/actions/runners/registration-token\": net/http: invalid header field value \"Bearer $YOUR_TOKEN_HERE\\n\" for key Authorization"
-}
-```
-
-**Solution**
-
-Your base64'ed PAT token has a new line at the end, it needs to be created without a `\n` added, either:
-* `echo -n $TOKEN | base64`
-* Create the secret as described in the docs using the shell and documented flags
-
-#### Runner coming up before network available
-
-If you're running your action runners on a service mesh like Istio, you might
-have problems with runner configuration accompanied by logs like:
-
-```
-....
-runner Starting Runner listener with startup type: service
-runner Started listener process
-runner An error occurred: Not configured
-runner Runner listener exited with error code 2
-runner Runner listener exit with retryable error, re-launch runner in 5 seconds.
-....
-```
-
-This is because the `istio-proxy` has not completed configuring itself when the
-configuration script tries to communicate with the network.
-
-**Solution**<br />
-
-> Added originally to help users with older istio instances.
-> Newer Istio instances can use Istio's `holdApplicationUntilProxyStarts` attribute ([istio/istio#11130](https://github.com/istio/istio/issues/11130)) to avoid having to delay starting up the runner.
-> Please read the discussion in [#592](https://github.com/actions-runner-controller/actions-runner-controller/pull/592) for more information.
-
-_Note: Prior to the runner version v2.279.0, the environment variable referenced below was called `STARTUP_DELAY`._
-
-You can add a delay to the runner's entrypoint script by setting the `STARTUP_DELAY_IN_SECONDS` environment
-variable for the runner pod. This will cause the script to sleep X seconds, this works with any runner kind.
-
-*Example `RunnerDeployment` with a 2 second startup delay:*
-```yaml
-apiVersion: actions.summerwind.dev/v1alpha1
-kind: RunnerDeployment
-metadata:
-  name: example-runnerdeployment-with-sleep
-spec:
-  template:
-    spec:
-      env:
-        - name: STARTUP_DELAY_IN_SECONDS
-          value: "2" # Remember! env var values must be strings.
-```
+See [troubleshooting guide](TROUBLESHOOTING.md) for solutions to various problems people have ran into consistently.
 
 # Contributing
 

TROUBLESHOOTING.md

@@ -0,0 +1,100 @@
+# Troubleshooting
+
+* [Invalid header field value](#invalid-header-field-value)
+* [Runner coming up before network available](#runner-coming-up-before-network-available)
+* [Deployment fails on GKE due to webhooks](#deployment-fails-on-gke-due-to-webhooks)
+
+## Invalid header field value
+
+**Problem**
+
+```json
+2020-11-12T22:17:30.693Z	ERROR	controller-runtime.controller	Reconciler error	
+{
+  "controller": "runner",
+  "request": "actions-runner-system/runner-deployment-dk7q8-dk5c9",
+  "error": "failed to create registration token: Post \"https://api.github.com/orgs/$YOUR_ORG_HERE/actions/runners/registration-token\": net/http: invalid header field value \"Bearer $YOUR_TOKEN_HERE\\n\" for key Authorization"
+}
+```
+
+**Solution**
+
+Your base64'ed PAT token has a new line at the end, it needs to be created without a `\n` added, either:
+* `echo -n $TOKEN | base64`
+* Create the secret as described in the docs using the shell and documented flags
+
+## Runner coming up before network available
+
+**Problem**
+
+If you're running your action runners on a service mesh like Istio, you might
+have problems with runner configuration accompanied by logs like:
+
+```
+....
+runner Starting Runner listener with startup type: service
+runner Started listener process
+runner An error occurred: Not configured
+runner Runner listener exited with error code 2
+runner Runner listener exit with retryable error, re-launch runner in 5 seconds.
+....
+```
+
+This is because the `istio-proxy` has not completed configuring itself when the
+configuration script tries to communicate with the network.
+
+More broadly, there are many other circumstances where the runner pod coming up first can cause issues.
+
+**Solution**<br />
+
+> Added originally to help users with older istio instances.
+> Newer Istio instances can use Istio's `holdApplicationUntilProxyStarts` attribute ([istio/istio#11130](https://github.com/istio/istio/issues/11130)) to avoid having to delay starting up the runner.
+> Please read the discussion in [#592](https://github.com/actions-runner-controller/actions-runner-controller/pull/592) for more information.
+
+You can add a delay to the runner's entrypoint script by setting the `STARTUP_DELAY_IN_SECONDS` environment variable for the runner pod. This will cause the script to sleep X seconds, this works with any runner kind.
+
+```yaml
+apiVersion: actions.summerwind.dev/v1alpha1
+kind: RunnerDeployment
+metadata:
+  name: example-runnerdeployment-with-sleep
+spec:
+  template:
+    spec:
+      env:
+        # This runner's entrypoint script will have a 5 seconds delay 
+        # as a first action within the entrypoint script
+        - name: STARTUP_DELAY_IN_SECONDS
+          value: "5"
+```
+
+## Deployment fails on GKE due to webhooks
+
+**Problem**
+
+Due to GKEs firewall settings you may run into the following errors when trying to deploy runners on a private GKE cluster:
+
+```
+Internal error occurred: failed calling webhook "mutate.runner.actions.summerwind.dev": 
+Post https://webhook-service.actions-runner-system.svc:443/mutate-actions-summerwind-dev-v1alpha1-runner?timeout=10s: 
+context deadline exceeded
+```
+
+**Solution**<br />
+
+To fix this, you need to set up a firewall rule to allow the master node to connect to the webhook port.
+The exact way to do this may wary, but the following script should point you in the right direction:
+
+```
+# 1) Retrieve the network tag automatically given to the worker nodes
+# NOTE: this only works if you have only one cluster in your GCP project. You will have to manually inspect the result of this command to find the tag for the cluster you want to target
+WORKER_NODES_TAG=$(gcloud compute instances list --format='text(tags.items[0])' --filter='metadata.kubelet-config:*' | grep tags | awk '{print $2}' | sort | uniq)
+
+# 2) Take note of the VPC network in which you deployed your cluster
+# NOTE this only works if you have only one network in which you deploy your clusters
+NETWORK=$(gcloud compute instances list --format='text(networkInterfaces[0].network)' --filter='metadata.kubelet-config:*' | grep networks | awk -F'/' '{print $NF}' | sort | uniq)
+
+# 3) Get the master source ip block
+SOURCE=$(gcloud container clusters describe <cluster-name> --region <region> | grep masterIpv4CidrBlock| cut -d ':' -f 2 | tr -d ' ')
+gcloud compute firewall-rules create k8s-cert-manager --source-ranges $SOURCE --target-tags $WORKER_NODES_TAG  --allow TCP:9443 --network $NETWORK
+```

acceptance/deploy.sh

@@ -6,6 +6,8 @@ tpe=${ACCEPTANCE_TEST_SECRET_TYPE}
 
 VALUES_FILE=${VALUES_FILE:-$(dirname $0)/values.yaml}
 
+kubectl delete secret controller-manager || :
+
 if [ "${tpe}" == "token" ]; then
   if ! kubectl get secret controller-manager -n actions-runner-system >/dev/null; then
     kubectl create secret generic controller-manager \
@@ -23,6 +25,16 @@ else
   exit 1
 fi
 
+if [ -n "${WEBHOOK_GITHUB_TOKEN}" ]; then
+  kubectl -n actions-runner-system delete secret \
+      github-webhook-server || :
+  kubectl -n actions-runner-system create secret generic \
+      github-webhook-server \
+      --from-literal=github_token=${WEBHOOK_GITHUB_TOKEN:?WEBHOOK_GITHUB_TOKEN must not be empty}
+else
+  echo 'Skipped deploying secret "github-webhook-server". Set WEBHOOK_GITHUB_TOKEN to deploy.' 1>&2
+fi
+
 tool=${ACCEPTANCE_TEST_DEPLOYMENT_TOOL}
 
 if [ "${tool}" == "helm" ]; then
@@ -35,7 +47,9 @@ if [ "${tool}" == "helm" ]; then
     --set image.repository=${NAME} \
     --set image.tag=${VERSION} \
     -f ${VALUES_FILE}
-  kubectl apply -f charts/actions-runner-controller/crds
+  # To prevent `CustomResourceDefinition.apiextensions.k8s.io "runners.actions.summerwind.dev" is invalid: metadata.annotations: Too long: must have at most 262144 bytes`
+  # errors
+  kubectl create -f charts/actions-runner-controller/crds || kubectl replace -f charts/actions-runner-controller/crds
   kubectl -n actions-runner-system wait deploy/actions-runner-controller --for condition=available --timeout 60s
 else
   kubectl apply \
@@ -50,7 +64,7 @@ sleep 20
 RUNNER_LABEL=${RUNNER_LABEL:-self-hosted}
 
 if [ -n "${TEST_REPO}" ]; then
-  if [ -n "USE_RUNNERSET" ]; then
+  if [ "${USE_RUNNERSET}" -ne "false" ]; then
       cat acceptance/testdata/repo.runnerset.yaml | envsubst | kubectl apply -f -
       cat acceptance/testdata/repo.runnerset.hra.yaml | envsubst | kubectl apply -f -
   else
@@ -63,13 +77,25 @@ else
 fi
 
 if [ -n "${TEST_ORG}" ]; then
-  cat acceptance/testdata/org.runnerdeploy.yaml | envsubst | kubectl apply -f -
+  cat acceptance/testdata/runnerdeploy.envsubst.yaml | TEST_ENTERPRISE= TEST_REPO= NAME=org-runnerdeploy envsubst | kubectl apply -f -
 
-  if [ -n "${TEST_ORG_REPO}" ]; then
-    cat acceptance/testdata/org.hra.yaml | envsubst | kubectl apply -f -
+  if [ -n "${TEST_ORG_GROUP}" ]; then
+    cat acceptance/testdata/runnerdeploy.envsubst.yaml | TEST_ENTERPRISE= TEST_REPO= TEST_GROUP=${TEST_ORG_GROUP} NAME=orggroup-runnerdeploy envsubst | kubectl apply -f -
   else
-    echo 'Skipped deploying organizational hra. Set TEST_ORG_REPO to "yourorg/yourrepo" to deploy.'
+    echo 'Skipped deploying enterprise runnerdeployment. Set TEST_ORG_GROUP to deploy.'
   fi
 else
   echo 'Skipped deploying organizational runnerdeployment. Set TEST_ORG to deploy.'
 fi
+
+if [ -n "${TEST_ENTERPRISE}" ]; then
+  cat acceptance/testdata/runnerdeploy.envsubst.yaml | TEST_ORG= TEST_REPO= NAME=enterprise-runnerdeploy envsubst | kubectl apply -f -
+
+  if [ -n "${TEST_ENTERPRISE_GROUP}" ]; then
+    cat acceptance/testdata/runnerdeploy.envsubst.yaml | TEST_ORG= TEST_REPO= TEST_GROUP=${TEST_ENTERPRISE_GROUP} NAME=enterprisegroup-runnerdeploy envsubst | kubectl apply -f -
+  else
+    echo 'Skipped deploying enterprise runnerdeployment. Set TEST_ENTERPRISE_GROUP to deploy.'
+  fi
+else
+  echo 'Skipped deploying enterprise runnerdeployment. Set TEST_ENTERPRISE to deploy.'
+fi

acceptance/testdata/org.runnerdeploy.yaml

@@ -14,6 +14,11 @@ spec:
       image: ${RUNNER_NAME}:${RUNNER_TAG}
       imagePullPolicy: IfNotPresent
 
+      # Whether to pass --ephemeral (true) or --once (false, deprecated)
+      env:
+      - name: RUNNER_FEATURE_FLAG_EPHEMERAL
+        value: "${RUNNER_FEATURE_FLAG_EPHEMERAL}"
+
       #
       # dockerd within runner container
       #
@@ -30,6 +35,8 @@ spec:
       # labels:
       # - "mylabel 1"
       # - "mylabel 2"
+      labels:
+      - "${RUNNER_LABEL}"
 
       #
       # Non-standard working directory

acceptance/testdata/repo.runnerdeploy.yaml

@@ -14,6 +14,11 @@ spec:
       image: ${RUNNER_NAME}:${RUNNER_TAG}
       imagePullPolicy: IfNotPresent
 
+      # Whether to pass --ephemeral (true) or --once (false, deprecated)
+      env:
+      - name: RUNNER_FEATURE_FLAG_EPHEMERAL
+        value: "${RUNNER_FEATURE_FLAG_EPHEMERAL}"
+
       #
       # dockerd within runner container
       #
@@ -30,6 +35,8 @@ spec:
       # labels:
       # - "mylabel 1"
       # - "mylabel 2"
+      labels:
+      - "${RUNNER_LABEL}"
 
       #
       # Non-standard working directory

acceptance/testdata/runnerdeploy.envsubst.yaml

@@ -0,0 +1,61 @@
+apiVersion: actions.summerwind.dev/v1alpha1
+kind: RunnerDeployment
+metadata:
+  name: ${NAME}
+spec:
+#  replicas: 1
+  template:
+    spec:
+      enterprise: ${TEST_ENTERPRISE}
+      group: ${TEST_GROUP}
+      organization: ${TEST_ORG}
+      repository: ${TEST_REPO}
+
+      #
+      # Custom runner image
+      #
+      image: ${RUNNER_NAME}:${RUNNER_TAG}
+      imagePullPolicy: IfNotPresent
+
+      # Whether to pass --ephemeral (true) or --once (false, deprecated)
+      env:
+      - name: RUNNER_FEATURE_FLAG_EPHEMERAL
+        value: "${RUNNER_FEATURE_FLAG_EPHEMERAL}"
+
+      #
+      # dockerd within runner container
+      #
+      ## Replace `mumoshu/actions-runner-dind:dev` with your dind image
+      #dockerdWithinRunnerContainer: true
+      #image: mumoshu/actions-runner-dind:dev
+
+      #
+      # Set the MTU used by dockerd-managed network interfaces (including docker-build-ubuntu)
+      #
+      #dockerMTU: 1450
+
+      #Runner group
+      # labels:
+      # - "mylabel 1"
+      # - "mylabel 2"
+      labels:
+      - "${RUNNER_LABEL}"
+
+      #
+      # Non-standard working directory
+      #
+      # workDir: "/"
+---
+apiVersion: actions.summerwind.dev/v1alpha1
+kind: HorizontalRunnerAutoscaler
+metadata:
+  name: ${NAME}
+spec:
+  scaleTargetRef:
+    name: ${NAME}
+  scaleUpTriggers:
+  - githubEvent: {}
+    amount: 1
+    duration: "1m"
+  minReplicas: 0
+  maxReplicas: 10

acceptance/values.yaml

@@ -1,12 +1,15 @@
 # Set actions-runner-controller settings for testing
 githubAPICacheDuration: 10s
 githubWebhookServer:
+  logLevel: debug
   enabled: true
   labels: {}
   replicaCount: 1
   syncPeriod: 10m
+  useRunnerGroupsVisibility: true
   secret:
-    create: true
+    enabled: true
+    # create: true
     name: "github-webhook-server"
     ### GitHub Webhook Configuration
     #github_webhook_secret_token: ""

api/v1alpha1/runner_types.go

@@ -81,6 +81,9 @@ type RunnerPodSpec struct {
 	// +optional
 	DockerVolumeMounts []corev1.VolumeMount `json:"dockerVolumeMounts,omitempty"`
 
+	// +optional
+	DockerEnv []corev1.EnvVar `json:"dockerEnv,omitempty"`
+
 	// +optional
 	Containers []corev1.Container `json:"containers,omitempty"`
 

api/v1alpha1/zz_generated.deepcopy.go

@@ -599,6 +599,13 @@ func (in *RunnerPodSpec) DeepCopyInto(out *RunnerPodSpec) {
 			(*in)[i].DeepCopyInto(&(*out)[i])
 		}
 	}
+	if in.DockerEnv != nil {
+		in, out := &in.DockerEnv, &out.DockerEnv
+		*out = make([]v1.EnvVar, len(*in))
+		for i := range *in {
+			(*in)[i].DeepCopyInto(&(*out)[i])
+		}
+	}
 	if in.Containers != nil {
 		in, out := &in.Containers, &out.Containers
 		*out = make([]v1.Container, len(*in))

charts/actions-runner-controller/Chart.yaml

@@ -15,10 +15,10 @@ type: application
 # This is the chart version. This version number should be incremented each time you make changes
 # to the chart and its templates, including the app version.
 # Versions are expected to follow Semantic Versioning (https://semver.org/)
-version: 0.15.1
+version: 0.16.1
 
 # Used as the default manager tag value when no tag property is provided in the values.yaml
-appVersion: 0.20.3
+appVersion: 0.21.1
 
 home: https://github.com/actions-runner-controller/actions-runner-controller
 

charts/actions-runner-controller/README.md

@@ -17,6 +17,9 @@ All additional docs are kept in the `docs/` folder, this README is solely for do
 | `leaderElectionId`                                       | Set the election ID for the controller group                                                                               |                                                                      |
 | `githubAPICacheDuration`                                 | Set the cache period for API calls                                                                                         |                                                                      |
 | `githubEnterpriseServerURL`                              | Set the URL for a self-hosted GitHub Enterprise Server                                                                     |                                                                      |
+| `githubURL`                                              | Override GitHub URL to be used for GitHub API calls                                                                        |                                                                      |
+| `githubUploadURL`                                        | Override GitHub Upload URL to be used for GitHub API calls                                                                 |                                                                      |
+| `runnerGithubURL`                                        | Override GitHub URL to be used by runners during registration                                                              |                                                                      |
 | `logLevel`                                               | Set the log level of the controller container                                                                              |                                                                      |
 | `additionalVolumes`                                      | Set additional volumes to add to the manager container                                                                     |                                                                      |
 | `additionalVolumeMounts`                                 | Set additional volume mounts to add to the manager container                                                               |                                                                      |
@@ -27,10 +30,13 @@ All additional docs are kept in the `docs/` folder, this README is solely for do
 | `authSecret.github_app_installation_id`                  | The ID of your GitHub App installation. **This can't be set at the same time as `authSecret.github_token`**                |                                                                      |
 | `authSecret.github_app_private_key`                      | The multiline string of your GitHub App's private key. **This can't be set at the same time as `authSecret.github_token`** |                                                                      |
 | `authSecret.github_token`                                | Your chosen GitHub PAT token. **This can't be set at the same time as the `authSecret.github_app_*`**                      |                                                                      |
+| `authSecret.github_basicauth_username`                     | Username for GitHub basic auth to use instead of PAT or GitHub APP in case it's running behind a proxy API                 |                                                                      |
+| `authSecret.github_basicauth_password`                     | Password for GitHub basic auth to use instead of PAT or GitHub APP in case it's running behind a proxy API                 |                                                                      |
 | `dockerRegistryMirror`                                   | The default Docker Registry Mirror used by runners.                                                                        |                                                                      |
 | `image.repository`                                       | The "repository/image" of the controller container                                                                         | summerwind/actions-runner-controller                                 |
 | `image.tag`                                              | The tag of the controller container                                                                                        |                                                                      |
 | `image.actionsRunnerRepositoryAndTag`                    | The "repository/image" of the actions runner container                                                                     | summerwind/actions-runner:latest                                     |
+| `image.actionsRunnerImagePullSecrets`                    | Optional image pull secrets to be included in the runner pod's ImagePullSecrets                                            |                                                                      |
 | `image.dindSidecarRepositoryAndTag`                      | The "repository/image" of the dind sidecar container                                                                       | docker:dind                                                          |
 | `image.pullPolicy`                                       | The pull policy of the controller image                                                                                    | IfNotPresent                                                         |
 | `metrics.serviceMonitor`                                 | Deploy serviceMonitor kind for for use with prometheus-operator CRDs                                                       | false                                                                |
@@ -41,7 +47,7 @@ All additional docs are kept in the `docs/` folder, this README is solely for do
 | `metrics.proxy.image.tag`                                | The tag of the kube-proxy image to use when pulling the container                                                          | v0.10.0                                                              |
 | `metrics.serviceMonitorLabels`                           | Set labels to apply to ServiceMonitor resources                                                                            |                                                                      |
 | `imagePullSecrets`                                       | Specifies the secret to be used when pulling the controller pod containers                                                 |                                                                      |
-| `fullNameOverride`                                       | Override the full resource names	                                                                                        |                                                                      |
+| `fullnameOverride`                                       | Override the full resource names	                                                                                        |                                                                      |
 | `nameOverride`                                           | Override the resource name prefix	                                                                                        |                                                                      |
 | `serviceAccont.annotations`                              | Set annotations to the service account                                                                                     |                                                                      |
 | `serviceAccount.create`                                  | Deploy the controller pod under a service account                                                                          | true                                                                 |
@@ -51,30 +57,34 @@ All additional docs are kept in the `docs/` folder, this README is solely for do
 | `securityContext`                                        | Set the security context for each container in the controller pod                                                          |                                                                      |
 | `podSecurityContext`                                     | Set the security context to controller pod                                                                                 |                                                                      |
 | `service.annotations`                                    | Set annotations for the provisioned webhook service resource                                                               |                                                                      |
-| `service.port`                                           | Set controller service type                                                                                                |                                                                      |
-| `service.type`                                           | Set controller service ports                                                                                               |                                                                      |
+| `service.port`                                           | Set controller service ports                                                                                                |                                                                      |
+| `service.type`                                           | Set controller service type                                                                                               |                                                                      |
 | `topologySpreadConstraints`                              | Set the controller pod topologySpreadConstraints                                                                           |                                                                      |
 | `nodeSelector`                                           | Set the controller pod nodeSelector                                                                                        |                                                                      |
 | `resources`                                              | Set the controller pod resources                                                                                           |                                                                      |
-| `affinity`                                               | Set the controller pod affinity rules                                                                                      |
-| `podDisruptionBudget.enabled`                                               | Enables a PDB to ensure HA of controller pods                                                                                     |      false                                                                    |
-| `podDisruptionBudget.minAvailable`                                               | Minimum number of pods that must be available after eviction                                                                                     |                                                                          |
-| `podDisruptionBudget.maxUnavailable`                                               | Maximum number of pods that can be unavailable after eviction. Kubernetes 1.7+ required.                                                                                     |                                                                          |
+| `affinity`                                               | Set the controller pod affinity rules                                                                                      |                                                                      |
+| `podDisruptionBudget.enabled`                            | Enables a PDB to ensure HA of controller pods                                                                              |      false                                                           |
+| `podDisruptionBudget.minAvailable`                       | Minimum number of pods that must be available after eviction                                                               |                                                                      |
+| `podDisruptionBudget.maxUnavailable`                     | Maximum number of pods that can be unavailable after eviction. Kubernetes 1.7+ required.                                   |                                                                      |
 | `tolerations`                                            | Set the controller pod tolerations                                                                                         |                                                                      |
 | `env`                                                    | Set environment variables for the controller container                                                                     |                                                                      |
 | `priorityClassName`                                      | Set the controller pod priorityClassName                                                                                   |                                                                      |
 | `scope.watchNamespace`                                   | Tells the controller and the github webhook server which namespace to watch if `scope.singleNamespace` is true             | `Release.Namespace` (the default namespace of the helm chart).       |
 | `scope.singleNamespace`                                  | Limit the controller to watch a single namespace                                                                           | false                                                                |
+| `certManagerEnabled`                                     | Enable cert-manager. If disabled you must set admissionWebHooks.caBundle and create TLS secrets manually                   | true                                                                 |
+| `admissionWebHooks.caBundle`                             | Base64-encoded PEM bundle containing the CA that signed the webhook's serving certificate                                  |                                                                      |
 | `githubWebhookServer.logLevel`                           | Set the log level of the githubWebhookServer container                                                                     |                                                                      |
 | `githubWebhookServer.replicaCount`                       | Set the number of webhook server pods                                                                                      | 1                                                                    |
+| `githubWebhookServer.useRunnerGroupsVisibility`          | Enable supporting runner groups with custom visibility. This will incur in extra API calls and may blow up your budget. Currently, you also need to set `githubWebhookServer.secret.enabled` to enable this feature. | false                                                                |
 | `githubWebhookServer.syncPeriod`                         | Set the period in which the controller reconciles the resources                                                            | 10m                                                                  |
 | `githubWebhookServer.enabled`                            | Deploy the webhook server pod                                                                                              | false                                                                |
+| `githubWebhookServer.secret.enabled`                      | Passes the webhook hook secret to the github-webhook-server                                                                             | false                                                                |
 | `githubWebhookServer.secret.create`                      | Deploy the webhook hook secret                                                                                             | false                                                                |
 | `githubWebhookServer.secret.name`                        | Set the name of the webhook hook secret                                                                                    | github-webhook-server                                                |
 | `githubWebhookServer.secret.github_webhook_secret_token` | Set the webhook secret token value                                                                                         |                                                                      |
 | `githubWebhookServer.imagePullSecrets`                   | Specifies the secret to be used when pulling the githubWebhookServer pod containers                                        |                                                                      |
-| `githubWebhookServer.nameOveride`                        | Override the resource name prefix	                                                                                        |                                                                      |
-| `githubWebhookServer.fullNameOveride`                    | Override the full resource names	                                                                                        |                                                                      |
+| `githubWebhookServer.nameOverride`                        | Override the resource name prefix	                                                                                        |                                                                      |
+| `githubWebhookServer.fullnameOverride`                    | Override the full resource names	                                                                                        |                                                                      |
 | `githubWebhookServer.serviceAccount.create`              | Deploy the githubWebhookServer under a service account                                                                     | true                                                                 |
 | `githubWebhookServer.serviceAccount.annotations`         | Set annotations for the service account                                                                                    |                                                                      |
 | `githubWebhookServer.serviceAccount.name`                | Set the service account name                                                                                               |                                                                      |
@@ -94,8 +104,7 @@ All additional docs are kept in the `docs/` folder, this README is solely for do
 | `githubWebhookServer.ingress.annotations`                | Set annotations for the ingress kind                                                                                       |                                                                      |
 | `githubWebhookServer.ingress.hosts`                      | Set hosts configuration for ingress                                                                                        | `[{"host": "chart-example.local", "paths": []}]`                     |
 | `githubWebhookServer.ingress.tls`                        | Set tls configuration for ingress                                                                                          |                                                                      |
+| `githubWebhookServer.ingress.ingressClassName`           | Set ingress class name                                                                                                     |                                                                      |
 | `githubWebhookServer.podDisruptionBudget.enabled`        | Enables a PDB to ensure HA of githubwebhook pods                                                                           |      false                                                           |
 | `githubWebhookServer.podDisruptionBudget.minAvailable`   | Minimum number of pods that must be available after eviction                                                               |                                                                      |
 | `githubWebhookServer.podDisruptionBudget.maxUnavailable` | Maximum number of pods that can be unavailable after eviction. Kubernetes 1.7+ required.                                   |                                                                      |
-| `certManagerEnabled`                                     | Enable cert-manager. If disabled you must set admissionWebHooks.caBundle and create TLS secrets manually                   | true                                                                 |
-| `admissionWebHooks.caBundle`                             | Base64-encoded PEM bundle containing the CA that signed the webhook's serving certificate                                  |                                                                      |

charts/actions-runner-controller/crds/actions.summerwind.dev_horizontalrunnerautoscalers.yaml

@@ -2,7 +2,7 @@ apiVersion: apiextensions.k8s.io/v1
 kind: CustomResourceDefinition
 metadata:
   annotations:
-    controller-gen.kubebuilder.io/version: v0.6.0
+    controller-gen.kubebuilder.io/version: v0.7.0
   creationTimestamp: null
   name: horizontalrunnerautoscalers.actions.summerwind.dev
 spec:

charts/actions-runner-controller/templates/_helpers.tpl

@@ -68,6 +68,10 @@ Create the name of the service account to use
 {{- default (include "actions-runner-controller.fullname" .) .Values.authSecret.name -}}
 {{- end }}
 
+{{- define "actions-runner-controller.githubWebhookServerSecretName" -}}
+{{- default (include "actions-runner-controller.fullname" .) .Values.githubWebhookServer.secret.name -}}
+{{- end }}
+
 {{- define "actions-runner-controller.leaderElectionRoleName" -}}
 {{- include "actions-runner-controller.fullname" . }}-leader-election
 {{- end }}

charts/actions-runner-controller/templates/deployment.yaml

@@ -46,6 +46,9 @@ spec:
         - "--sync-period={{ .Values.syncPeriod }}"
         - "--docker-image={{ .Values.image.dindSidecarRepositoryAndTag }}"
         - "--runner-image={{ .Values.image.actionsRunnerRepositoryAndTag }}"
+        {{- range .Values.image.actionsRunnerImagePullSecrets }}
+        - "--runner-image-pull-secret={{ . }}"
+        {{- end }}
         {{- if .Values.dockerRegistryMirror }}
         - "--docker-registry-mirror={{ .Values.dockerRegistryMirror }}"
         {{- end }}
@@ -58,6 +61,9 @@ spec:
         {{- if .Values.logLevel }}
         - "--log-level={{ .Values.logLevel }}"
         {{- end }}
+        {{- if .Values.runnerGithubURL  }}
+        - "--runner-github-url={{ .Values.runnerGithubURL }}"
+        {{- end }}
         command:
         - "/manager"
         env:
@@ -65,6 +71,15 @@ spec:
         - name: GITHUB_ENTERPRISE_URL
           value: {{ .Values.githubEnterpriseServerURL }}
         {{- end }}
+        {{- if .Values.githubURL  }}
+        - name: GITHUB_URL
+          value: {{ .Values.githubURL }}
+        {{- end }}
+        {{- if .Values.githubUploadURL  }}
+        - name: GITHUB_UPLOAD_URL
+          value: {{ .Values.githubUploadURL }}
+        {{- end }}
+        {{- if .Values.authSecret.enabled }}
         - name: GITHUB_TOKEN
           valueFrom:
             secretKeyRef:
@@ -84,7 +99,23 @@ spec:
               name: {{ include "actions-runner-controller.secretName" . }}
               optional: true
         - name: GITHUB_APP_PRIVATE_KEY
-          value: /etc/actions-runner-controller/github_app_private_key
+          valueFrom:
+            secretKeyRef:
+              key: github_app_private_key
+              name: {{ include "actions-runner-controller.secretName" . }}
+              optional: true
+        {{- if .Values.authSecret.github_basicauth_username  }}
+        - name: GITHUB_BASICAUTH_USERNAME
+          value: {{ .Values.authSecret.github_basicauth_username }}
+        {{- end }}
+        {{- if .Values.authSecret.github_basicauth_password }}
+        - name: GITHUB_BASICAUTH_PASSWORD
+          valueFrom:
+            secretKeyRef:
+              key: github_basicauth_password
+              name: {{ include "actions-runner-controller.secretName" . }}
+        {{- end }}
+        {{- end }}
         {{- range $key, $val := .Values.env }}
         - name: {{ $key }}
           value: {{ $val | quote }}
@@ -106,9 +137,11 @@ spec:
         securityContext:
           {{- toYaml .Values.securityContext | nindent 12 }}
         volumeMounts:
+        {{- if .Values.authSecret.enabled }}
         - mountPath: "/etc/actions-runner-controller"
           name: secret
           readOnly: true
+        {{- end }}
         - mountPath: /tmp
           name: tmp
         - mountPath: /tmp/k8s-webhook-server/serving-certs
@@ -136,9 +169,11 @@ spec:
       {{- end }}
       terminationGracePeriodSeconds: 10
       volumes:
+      {{- if .Values.authSecret.enabled }}
       - name: secret
         secret:
           secretName: {{ include "actions-runner-controller.secretName" . }}
+      {{- end }}
       - name: cert
         secret:
           defaultMode: 420

charts/actions-runner-controller/templates/githubwebhook.deployment.yaml

@@ -45,6 +45,9 @@ spec:
         {{- if .Values.scope.singleNamespace }}
         - "--watch-namespace={{ default .Release.Namespace .Values.scope.watchNamespace }}"
         {{- end }}
+        {{- if .Values.runnerGithubURL  }}
+        - "--runner-github-url={{ .Values.runnerGithubURL }}"
+        {{- end }}
         command:
         - "/github-webhook-server"
         env:
@@ -54,6 +57,55 @@ spec:
               key: github_webhook_secret_token
               name: {{ include "actions-runner-controller-github-webhook-server.secretName" . }}
               optional: true
+        {{- if .Values.githubEnterpriseServerURL  }}
+        - name: GITHUB_ENTERPRISE_URL
+          value: {{ .Values.githubEnterpriseServerURL }}
+        {{- end }}
+        {{- if .Values.githubURL  }}
+        - name: GITHUB_URL
+          value: {{ .Values.githubURL }}
+        {{- end }}
+        {{- if .Values.githubUploadURL  }}
+        - name: GITHUB_UPLOAD_URL
+          value: {{ .Values.githubUploadURL }}
+        {{- end }}
+        {{- if and .Values.githubWebhookServer.useRunnerGroupsVisibility .Values.githubWebhookServer.secret.enabled }}
+        - name: GITHUB_TOKEN
+          valueFrom:
+            secretKeyRef:
+              key: github_token
+              name: {{ include "actions-runner-controller.githubWebhookServerSecretName" . }}
+              optional: true
+        - name: GITHUB_APP_ID
+          valueFrom:
+            secretKeyRef:
+              key: github_app_id
+              name: {{ include "actions-runner-controller.githubWebhookServerSecretName" . }}
+              optional: true
+        - name: GITHUB_APP_INSTALLATION_ID
+          valueFrom:
+            secretKeyRef:
+              key: github_app_installation_id
+              name: {{ include "actions-runner-controller.githubWebhookServerSecretName" . }}
+              optional: true
+        - name: GITHUB_APP_PRIVATE_KEY
+          valueFrom:
+            secretKeyRef:
+              key: github_app_private_key
+              name: {{ include "actions-runner-controller.githubWebhookServerSecretName" . }}
+              optional: true
+        {{- if .Values.authSecret.github_basicauth_username  }}
+        - name: GITHUB_BASICAUTH_USERNAME
+          value: {{ .Values.authSecret.github_basicauth_username }}
+        {{- end }}
+        {{- if .Values.authSecret.github_basicauth_password }}
+        - name: GITHUB_BASICAUTH_PASSWORD
+          valueFrom:
+            secretKeyRef:
+              key: github_basicauth_password
+              name: {{ include "actions-runner-controller.secretName" . }}
+        {{- end }}
+        {{- end }}
         {{- range $key, $val := .Values.githubWebhookServer.env }}
         - name: {{ $key }}
           value: {{ $val | quote }}

charts/actions-runner-controller/templates/githubwebhook.ingress.yaml

@@ -1,9 +1,11 @@
 {{- if .Values.githubWebhookServer.ingress.enabled -}}
 {{- $fullName := include "actions-runner-controller-github-webhook-server.fullname" . -}}
 {{- $svcPort := (index .Values.githubWebhookServer.service.ports 0).port -}}
-{{- if semverCompare ">=1.14-0" .Capabilities.KubeVersion.GitVersion -}}
+{{- if .Capabilities.APIVersions.Has "networking.k8s.io/v1" }}
+apiVersion: networking.k8s.io/v1
+{{- else if .Capabilities.APIVersions.Has "networking.k8s.io/v1beta1" }}
 apiVersion: networking.k8s.io/v1beta1
-{{- else -}}
+{{- else if .Capabilities.APIVersions.Has "extensions/v1beta1" }}
 apiVersion: extensions/v1beta1
 {{- end }}
 kind: Ingress
@@ -26,6 +28,9 @@ spec:
       secretName: {{ .secretName }}
     {{- end }}
   {{- end }}
+  {{- with .Values.githubWebhookServer.ingress.ingressClassName }}
+  ingressClassName: {{ . }}
+  {{- end }}
   rules:
     {{- range .Values.githubWebhookServer.ingress.hosts }}
     - host: {{ .host | quote }}
@@ -33,9 +38,19 @@ spec:
         paths:
           {{- range .paths }}
           - path: {{ .path }}
+            {{- if $.Capabilities.APIVersions.Has "networking.k8s.io/v1" }}
+            pathType: {{ .pathType }}
+            {{- end }}
             backend:
+              {{- if $.Capabilities.APIVersions.Has "networking.k8s.io/v1" }}
+              service:
+               name: {{ $fullName }}
+               port:
+                 number: {{ $svcPort }}
+              {{- else }}
               serviceName: {{ $fullName }}
               servicePort: {{ $svcPort }}
+              {{- end }}
           {{- end }}
     {{- end }}
   {{- end }}

charts/actions-runner-controller/templates/manager_secrets.yaml

@@ -26,4 +26,7 @@ data:
 {{- if .Values.authSecret.github_token }}
   github_token: {{ .Values.authSecret.github_token | toString | b64enc }}
 {{- end }}
+{{- if .Values.authSecret.github_basicauth_password }}
+  github_basicauth_password: {{ .Values.authSecret.github_basicauth_password | toString | b64enc }}
+{{- end }}
 {{- end }}

charts/actions-runner-controller/values.yaml

@@ -21,9 +21,21 @@ enableLeaderElection: true
 # The URL of your GitHub Enterprise server, if you're using one.
 #githubEnterpriseServerURL: https://github.example.com
 
+# Override GitHub URLs in case of using proxy APIs
+#githubURL: ""
+#githubUploadURL: ""
+#runnerGithubURL: ""
+
 # Only 1 authentication method can be deployed at a time
 # Uncomment the configuration you are applying and fill in the details
+#
+# If authSecret.enabled=true these values are inherited to actions-runner-controller's controller-manager container's env.
+#
+# Do set authSecret.enabled=false and set env if you want full control over
+# the GitHub authn related envvars of the container.
+# See https://github.com/actions-runner-controller/actions-runner-controller/pull/937 for more details.
 authSecret:
+  enabled: true
   create: false
   name: "controller-manager"
   annotations: {}
@@ -34,6 +46,9 @@ authSecret:
   #github_app_private_key: |
   ### GitHub PAT Configuration
   #github_token: ""
+  ### Basic auth for github API proxy
+  #github_basicauth_username: ""
+  #github_basicauth_password: ""
 
 dockerRegistryMirror: ""
 image:
@@ -41,6 +56,9 @@ image:
   actionsRunnerRepositoryAndTag: "summerwind/actions-runner:latest"
   dindSidecarRepositoryAndTag: "docker:dind"
   pullPolicy: IfNotPresent
+  # The default image-pull secrets name for self-hosted runner container.
+  # It's added to spec.ImagePullSecrets of self-hosted runner pods.
+  actionsRunnerImagePullSecrets: []
 
 imagePullSecrets: []
 nameOverride: ""
@@ -141,11 +159,19 @@ scope:
   # The default value is "", which means the namespace of the controller
   watchNamespace: ""
 
+certManagerEnabled: true
+
+admissionWebHooks:
+  {}
+  #caBundle: "Ci0tLS0tQk...<base64-encoded PEM bundle containing the CA that signed the webhook's serving certificate>...tLS0K"
+
 githubWebhookServer:
   enabled: false
   replicaCount: 1
   syncPeriod: 10m
+  useRunnerGroupsVisibility: false
   secret:
+    enabled: false
     create: false
     name: "github-webhook-server"
     ### GitHub Webhook Configuration
@@ -182,13 +208,15 @@ githubWebhookServer:
         #nodePort: someFixedPortForUseWithTerraformCdkCfnEtc
   ingress:
     enabled: false
-    annotations:
-      {}
+    ingressClassName: ""
+    annotations: {}
       # kubernetes.io/ingress.class: nginx
       # kubernetes.io/tls-acme: "true"
     hosts:
       - host: chart-example.local
         paths: []
+        #  - path: /*
+        #    pathType: ImplementationSpecific
     tls: []
     #  - secretName: chart-example-tls
     #    hosts:
@@ -199,9 +227,3 @@ githubWebhookServer:
     enabled: false
     # minAvailable: 1
     # maxUnavailable: 3
-
-certManagerEnabled: true
-
-admissionWebHooks:
-  {}
-  #caBundle: "Ci0tLS0tQk...<base64-encoded PEM bundle containing the CA that signed the webhook's serving certificate>...tLS0K"

cmd/githubwebhookserver/main.go

@@ -20,6 +20,7 @@ import (
 	"context"
 	"errors"
 	"flag"
+	"fmt"
 	"net/http"
 	"os"
 	"sync"
@@ -27,6 +28,8 @@ import (
 
 	actionsv1alpha1 "github.com/actions-runner-controller/actions-runner-controller/api/v1alpha1"
 	"github.com/actions-runner-controller/actions-runner-controller/controllers"
+	"github.com/actions-runner-controller/actions-runner-controller/github"
+	"github.com/kelseyhightower/envconfig"
 	zaplib "go.uber.org/zap"
 	"k8s.io/apimachinery/pkg/runtime"
 	clientgoscheme "k8s.io/client-go/kubernetes/scheme"
@@ -48,6 +51,8 @@ const (
 	logLevelInfo  = "info"
 	logLevelWarn  = "warn"
 	logLevelError = "error"
+
+	webhookSecretTokenEnvName = "GITHUB_WEBHOOK_SECRET_TOKEN"
 )
 
 func init() {
@@ -65,16 +70,26 @@ func main() {
 		metricsAddr string
 
 		// The secret token of the GitHub Webhook. See https://docs.github.com/en/developers/webhooks-and-events/securing-your-webhooks
-		webhookSecretToken string
+		webhookSecretToken    string
+		webhookSecretTokenEnv string
 
 		watchNamespace string
 
 		enableLeaderElection bool
 		syncPeriod           time.Duration
 		logLevel             string
+
+		ghClient *github.Client
 	)
 
-	webhookSecretToken = os.Getenv("GITHUB_WEBHOOK_SECRET_TOKEN")
+	var c github.Config
+	err = envconfig.Process("github", &c)
+	if err != nil {
+		fmt.Fprintf(os.Stderr, "Error: processing environment variables: %v\n", err)
+		os.Exit(1)
+	}
+
+	webhookSecretTokenEnv = os.Getenv(webhookSecretTokenEnvName)
 
 	flag.StringVar(&webhookAddr, "webhook-addr", ":8000", "The address the metric endpoint binds to.")
 	flag.StringVar(&metricsAddr, "metrics-addr", ":8080", "The address the metric endpoint binds to.")
@@ -83,10 +98,26 @@ func main() {
 		"Enable leader election for controller manager. Enabling this will ensure there is only one active controller manager.")
 	flag.DurationVar(&syncPeriod, "sync-period", 10*time.Minute, "Determines the minimum frequency at which K8s resources managed by this controller are reconciled. When you use autoscaling, set to a lower value like 10 minute, because this corresponds to the minimum time to react on demand change")
 	flag.StringVar(&logLevel, "log-level", logLevelDebug, `The verbosity of the logging. Valid values are "debug", "info", "warn", "error". Defaults to "debug".`)
+	flag.StringVar(&webhookSecretToken, "github-webhook-secret-token", "", "The personal access token of GitHub.")
+	flag.StringVar(&c.Token, "github-token", c.Token, "The personal access token of GitHub.")
+	flag.Int64Var(&c.AppID, "github-app-id", c.AppID, "The application ID of GitHub App.")
+	flag.Int64Var(&c.AppInstallationID, "github-app-installation-id", c.AppInstallationID, "The installation ID of GitHub App.")
+	flag.StringVar(&c.AppPrivateKey, "github-app-private-key", c.AppPrivateKey, "The path of a private key file to authenticate as a GitHub App")
+	flag.StringVar(&c.URL, "github-url", c.URL, "GitHub URL to be used for GitHub API calls")
+	flag.StringVar(&c.UploadURL, "github-upload-url", c.UploadURL, "GitHub Upload URL to be used for GitHub API calls")
+	flag.StringVar(&c.BasicauthUsername, "github-basicauth-username", c.BasicauthUsername, "Username for GitHub basic auth to use instead of PAT or GitHub APP in case it's running behind a proxy API")
+	flag.StringVar(&c.BasicauthPassword, "github-basicauth-password", c.BasicauthPassword, "Password for GitHub basic auth to use instead of PAT or GitHub APP in case it's running behind a proxy API")
+	flag.StringVar(&c.RunnerGitHubURL, "runner-github-url", c.RunnerGitHubURL, "GitHub URL to be used by runners during registration")
+
 	flag.Parse()
 
+	if webhookSecretToken == "" && webhookSecretTokenEnv != "" {
+		setupLog.Info(fmt.Sprintf("Using the value from %s for -github-webhook-secret-token", webhookSecretTokenEnvName))
+		webhookSecretToken = webhookSecretTokenEnv
+	}
+
 	if webhookSecretToken == "" {
-		setupLog.Info("-webhook-secret-token is missing or empty. Create one following https://docs.github.com/en/developers/webhooks-and-events/securing-your-webhooks")
+		setupLog.Info(fmt.Sprintf("-github-webhook-secret-token and %s are missing or empty. Create one following https://docs.github.com/en/developers/webhooks-and-events/securing-your-webhooks and specify it via the flag or the envvar", webhookSecretTokenEnvName))
 	}
 
 	if watchNamespace == "" {
@@ -99,6 +130,8 @@ func main() {
 		switch logLevel {
 		case logLevelDebug:
 			o.Development = true
+			lvl := zaplib.NewAtomicLevelAt(-2) // maps to logr's V(2)
+			o.Level = &lvl
 		case logLevelInfo:
 			lvl := zaplib.NewAtomicLevelAt(zaplib.InfoLevel)
 			o.Level = &lvl
@@ -113,6 +146,22 @@ func main() {
 
 	ctrl.SetLogger(logger)
 
+	// In order to support runner groups with custom visibility (selected repositories), we need to perform some GitHub API calls.
+	// Let the user define if they want to opt-in supporting this option by providing the proper GitHub authentication parameters
+	// Without an opt-in, runner groups with custom visibility won't be supported to save API calls
+	// That is, all runner groups managed by ARC are assumed to be visible to any repositories,
+	// which is wrong when you have one or more non-default runner groups in your organization or enterprise.
+	if len(c.Token) > 0 || (c.AppID > 0 && c.AppInstallationID > 0 && c.AppPrivateKey != "") || (len(c.BasicauthUsername) > 0 && len(c.BasicauthPassword) > 0) {
+		ghClient, err = c.NewClient()
+		if err != nil {
+			fmt.Fprintln(os.Stderr, "Error: Client creation failed.", err)
+			setupLog.Error(err, "unable to create controller", "controller", "Runner")
+			os.Exit(1)
+		}
+	} else {
+		setupLog.Info("GitHub client is not initialized. Runner groups with custom visibility are not supported. If needed, please provide GitHub authentication. This will incur in extra GitHub API calls")
+	}
+
 	mgr, err := ctrl.NewManager(ctrl.GetConfigOrDie(), ctrl.Options{
 		Scheme:             scheme,
 		SyncPeriod:         &syncPeriod,
@@ -127,16 +176,18 @@ func main() {
 	}
 
 	hraGitHubWebhook := &controllers.HorizontalRunnerAutoscalerGitHubWebhook{
+		Name:           "webhookbasedautoscaler",
 		Client:         mgr.GetClient(),
-		Log:            ctrl.Log.WithName("controllers").WithName("Runner"),
+		Log:            ctrl.Log.WithName("controllers").WithName("webhookbasedautoscaler"),
 		Recorder:       nil,
 		Scheme:         mgr.GetScheme(),
 		SecretKeyBytes: []byte(webhookSecretToken),
 		Namespace:      watchNamespace,
+		GitHubClient:   ghClient,
 	}
 
 	if err = hraGitHubWebhook.SetupWithManager(mgr); err != nil {
-		setupLog.Error(err, "unable to create controller", "controller", "Runner")
+		setupLog.Error(err, "unable to create controller", "controller", "webhookbasedautoscaler")
 		os.Exit(1)
 	}
 

config/crd/bases/actions.summerwind.dev_horizontalrunnerautoscalers.yaml

@@ -2,7 +2,7 @@ apiVersion: apiextensions.k8s.io/v1
 kind: CustomResourceDefinition
 metadata:
   annotations:
-    controller-gen.kubebuilder.io/version: v0.6.0
+    controller-gen.kubebuilder.io/version: v0.7.0
   creationTimestamp: null
   name: horizontalrunnerautoscalers.actions.summerwind.dev
 spec:

controllers/autoscaling.go

@@ -10,6 +10,7 @@ import (
 	"time"
 
 	"github.com/actions-runner-controller/actions-runner-controller/api/v1alpha1"
+	"github.com/google/go-github/v39/github"
 )
 
 const (
@@ -164,14 +165,24 @@ func (r *HorizontalRunnerAutoscalerReconciler) suggestReplicasByQueuedAndInProgr
 			fallback_cb()
 			return
 		}
-		jobs, _, err := r.GitHubClient.Actions.ListWorkflowJobs(context.TODO(), user, repoName, runID, nil)
-		if err != nil {
-			r.Log.Error(err, "Error listing workflow jobs")
-			fallback_cb()
-		} else if len(jobs.Jobs) == 0 {
+		opt := github.ListWorkflowJobsOptions{ListOptions: github.ListOptions{PerPage: 50}}
+		var allJobs []*github.WorkflowJob
+		for {
+			jobs, resp, err := r.GitHubClient.Actions.ListWorkflowJobs(context.TODO(), user, repoName, runID, &opt)
+			if err != nil {
+				r.Log.Error(err, "Error listing workflow jobs")
+				return //err
+			}
+			allJobs = append(allJobs, jobs.Jobs...)
+			if resp.NextPage == 0 {
+				break
+			}
+			opt.Page = resp.NextPage
+		}
+		if len(allJobs) == 0 {
 			fallback_cb()
 		} else {
-			for _, job := range jobs.Jobs {
+			for _, job := range allJobs {
 				switch job.GetStatus() {
 				case "completed":
 					// We add a case for `completed` so it is not counted in `unknown`.

controllers/horizontal_runner_autoscaler_webhook.go

@@ -30,19 +30,22 @@ import (
 	"sigs.k8s.io/controller-runtime/pkg/reconcile"
 
 	"github.com/go-logr/logr"
-	gogithub "github.com/google/go-github/v37/github"
+	gogithub "github.com/google/go-github/v39/github"
 	"k8s.io/apimachinery/pkg/runtime"
 	"k8s.io/client-go/tools/record"
 	ctrl "sigs.k8s.io/controller-runtime"
 	"sigs.k8s.io/controller-runtime/pkg/client"
 
 	"github.com/actions-runner-controller/actions-runner-controller/api/v1alpha1"
+	"github.com/actions-runner-controller/actions-runner-controller/github"
+	"github.com/actions-runner-controller/actions-runner-controller/simulator"
 )
 
 const (
 	scaleTargetKey = "scaleTarget"
 
 	keyPrefixEnterprise = "enterprises/"
+	keyRunnerGroup      = "/group/"
 )
 
 // HorizontalRunnerAutoscalerGitHubWebhook autoscales a HorizontalRunnerAutoscaler and the RunnerDeployment on each
@@ -57,6 +60,9 @@ type HorizontalRunnerAutoscalerGitHubWebhook struct {
 	// the administrator is generated and specified in GitHub Web UI.
 	SecretKeyBytes []byte
 
+	// GitHub Client to discover runner groups assigned to a repository
+	GitHubClient *github.Client
+
 	// Namespace is the namespace to watch for HorizontalRunnerAutoscaler's to be
 	// scaled on Webhook.
 	// Set to empty for letting it watch for all namespaces.
@@ -87,7 +93,7 @@ func (autoscaler *HorizontalRunnerAutoscalerGitHubWebhook) Handle(w http.Respons
 			if err != nil {
 				msg := err.Error()
 				if written, err := w.Write([]byte(msg)); err != nil {
-					autoscaler.Log.Error(err, "failed writing http error response", "msg", msg, "written", written)
+					autoscaler.Log.V(1).Error(err, "failed writing http error response", "msg", msg, "written", written)
 				}
 			}
 		}
@@ -284,7 +290,7 @@ func (autoscaler *HorizontalRunnerAutoscalerGitHubWebhook) Handle(w http.Respons
 	}
 
 	if target == nil {
-		log.Info(
+		log.V(1).Info(
 			"Scale target not found. If this is unexpected, ensure that there is exactly one repository-wide or organizational runner deployment that matches this webhook event",
 		)
 
@@ -436,63 +442,30 @@ func (autoscaler *HorizontalRunnerAutoscalerGitHubWebhook) getScaleTarget(ctx co
 }
 
 func (autoscaler *HorizontalRunnerAutoscalerGitHubWebhook) getScaleUpTarget(ctx context.Context, log logr.Logger, repo, owner, ownerType, enterprise string, f func(v1alpha1.ScaleUpTrigger) bool) (*ScaleTarget, error) {
-	repositoryRunnerKey := owner + "/" + repo
-
-	if target, err := autoscaler.getScaleTarget(ctx, repositoryRunnerKey, f); err != nil {
-		log.Info("finding repository-wide runner", "repository", repositoryRunnerKey)
-		return nil, err
-	} else if target != nil {
-		log.Info("scale up target is repository-wide runners", "repository", repo)
-		return target, nil
+	scaleTarget := func(value string) (*ScaleTarget, error) {
+		return autoscaler.getScaleTarget(ctx, value, f)
 	}
-
-	if ownerType == "User" {
-		log.V(1).Info("no repository runner found", "organization", owner)
-
-		return nil, nil
-	}
-
-	if target, err := autoscaler.getScaleTarget(ctx, owner, f); err != nil {
-		log.Info("finding organizational runner", "organization", owner)
-		return nil, err
-	} else if target != nil {
-		log.Info("scale up target is organizational runners", "organization", owner)
-		return target, nil
-	}
-
-	if enterprise == "" {
-		log.V(1).Info("no repository runner or organizational runner found",
-			"repository", repositoryRunnerKey,
-			"organization", owner,
-		)
-
-		return nil, nil
-	}
-
-	if target, err := autoscaler.getScaleTarget(ctx, enterpriseKey(enterprise), f); err != nil {
-		log.Error(err, "finding enterprise runner", "enterprise", enterprise)
-		return nil, err
-	} else if target != nil {
-		log.Info("scale up target is enterprise runners", "enterprise", enterprise)
-		return target, nil
-	} else {
-		log.V(1).Info("no repository/organizational/enterprise runner found",
-			"repository", repositoryRunnerKey,
-			"organization", owner,
-			"enterprises", enterprise,
-		)
-	}
-
-	return nil, nil
+	return autoscaler.getScaleUpTargetWithFunction(ctx, log, repo, owner, ownerType, enterprise, scaleTarget)
 }
 
 func (autoscaler *HorizontalRunnerAutoscalerGitHubWebhook) getJobScaleUpTargetForRepoOrOrg(
 	ctx context.Context, log logr.Logger, repo, owner, ownerType, enterprise string, labels []string,
 ) (*ScaleTarget, error) {
+
+	scaleTarget := func(value string) (*ScaleTarget, error) {
+		return autoscaler.getJobScaleTarget(ctx, value, labels)
+	}
+	return autoscaler.getScaleUpTargetWithFunction(ctx, log, repo, owner, ownerType, enterprise, scaleTarget)
+}
+
+func (autoscaler *HorizontalRunnerAutoscalerGitHubWebhook) getScaleUpTargetWithFunction(
+	ctx context.Context, log logr.Logger, repo, owner, ownerType, enterprise string, scaleTarget func(value string) (*ScaleTarget, error)) (*ScaleTarget, error) {
+
 	repositoryRunnerKey := owner + "/" + repo
 
-	if target, err := autoscaler.getJobScaleTarget(ctx, repositoryRunnerKey, labels); err != nil {
-		log.Info("finding repository-wide runner", "repository", repositoryRunnerKey)
+	// Search for repository HRAs
+	if target, err := scaleTarget(repositoryRunnerKey); err != nil {
+		log.Error(err, "finding repository-wide runner", "repository", repositoryRunnerKey)
 		return nil, err
 	} else if target != nil {
 		log.Info("job scale up target is repository-wide runners", "repository", repo)
@@ -500,42 +473,180 @@ func (autoscaler *HorizontalRunnerAutoscalerGitHubWebhook) getJobScaleUpTargetFo
 	}
 
 	if ownerType == "User" {
-		log.V(1).Info("no repository runner found", "organization", owner)
-
+		log.V(1).Info("user repositories not supported", "owner", owner)
 		return nil, nil
 	}
 
-	if target, err := autoscaler.getJobScaleTarget(ctx, owner, labels); err != nil {
-		log.Info("finding organizational runner", "organization", owner)
+	// Find the potential runner groups first to avoid spending API queries needless. Once/if GitHub improves an
+	// API to find related/linked runner groups from a specific repository this logic could be removed
+	managedRunnerGroups, err := autoscaler.getManagedRunnerGroupsFromHRAs(ctx, enterprise, owner)
+	if err != nil {
+		log.Error(err, "finding potential organization/enterprise runner groups from HRAs", "organization", owner)
 		return nil, err
-	} else if target != nil {
-		log.Info("job scale up target is organizational runners", "organization", owner)
-		return target, nil
 	}
-
-	if enterprise == "" {
-		log.V(1).Info("no repository runner or organizational runner found",
-			"repository", repositoryRunnerKey,
-			"organization", owner,
-		)
-		return nil, nil
-	}
-
-	if target, err := autoscaler.getJobScaleTarget(ctx, enterpriseKey(enterprise), labels); err != nil {
-		log.Error(err, "finding enterprise runner", "enterprise", enterprise)
-		return nil, err
-	} else if target != nil {
-		log.Info("scale up target is enterprise runners", "enterprise", enterprise)
-		return target, nil
-	} else {
+	if managedRunnerGroups.IsEmpty() {
 		log.V(1).Info("no repository/organizational/enterprise runner found",
 			"repository", repositoryRunnerKey,
 			"organization", owner,
 			"enterprises", enterprise,
 		)
+	} else {
+		log.V(1).Info("Found some runner groups are managed by ARC", "groups", managedRunnerGroups)
 	}
 
-	return nil, nil
+	var visibleGroups *simulator.VisibleRunnerGroups
+	if autoscaler.GitHubClient != nil {
+		simu := &simulator.Simulator{
+			Client: autoscaler.GitHubClient,
+		}
+		// Get available organization runner groups and enterprise runner groups for a repository
+		// These are the sum of runner groups with repository access = All repositories and runner groups
+		// where owner/repo has access to as well. The list will include default runner group also if it has access to
+		visibleGroups, err = simu.GetRunnerGroupsVisibleToRepository(ctx, owner, repositoryRunnerKey, managedRunnerGroups)
+		log.V(1).Info("Searching in runner groups", "groups", visibleGroups)
+		if err != nil {
+			log.Error(err, "Unable to find runner groups from repository", "organization", owner, "repository", repo)
+			return nil, fmt.Errorf("error while finding visible runner groups: %v", err)
+		}
+	} else {
+		// For backwards compatibility if GitHub authentication is not configured, we assume all runner groups have
+		// visibility=all to honor the previous implementation, therefore any available enterprise/organization runner
+		// is a potential target for scaling. This will also avoid doing extra API calls caused by
+		// GitHubClient.GetRunnerGroupsVisibleToRepository in case users are not using custom visibility on their runner
+		// groups or they are using only default runner groups
+		visibleGroups = managedRunnerGroups
+	}
+
+	scaleTargetKey := func(rg simulator.RunnerGroup) string {
+		switch rg.Kind {
+		case simulator.Default:
+			switch rg.Scope {
+			case simulator.Organization:
+				return owner
+			case simulator.Enterprise:
+				return enterpriseKey(enterprise)
+			}
+		case simulator.Custom:
+			switch rg.Scope {
+			case simulator.Organization:
+				return organizationalRunnerGroupKey(owner, rg.Name)
+			case simulator.Enterprise:
+				return enterpriseRunnerGroupKey(enterprise, rg.Name)
+			}
+		}
+		return ""
+	}
+
+	log.V(1).Info("groups", "groups", visibleGroups)
+
+	var t *ScaleTarget
+
+	traverseErr := visibleGroups.Traverse(func(rg simulator.RunnerGroup) (bool, error) {
+		key := scaleTargetKey(rg)
+
+		target, err := scaleTarget(key)
+
+		if err != nil {
+			log.Error(err, "finding runner group", "enterprise", enterprise, "organization", owner, "repository", repo, "key", key)
+			return false, err
+		} else if target == nil {
+			return false, nil
+		}
+
+		t = target
+		log.V(1).Info("job scale up target found", "enterprise", enterprise, "organization", owner, "repository", repo, "key", key)
+
+		return true, nil
+	})
+
+	if traverseErr != nil {
+		return nil, err
+	}
+
+	if t == nil {
+		log.V(1).Info("no repository/organizational/enterprise runner found",
+			"repository", repositoryRunnerKey,
+			"organization", owner,
+			"enterprise", enterprise,
+		)
+	}
+
+	return t, nil
+}
+
+func (autoscaler *HorizontalRunnerAutoscalerGitHubWebhook) getManagedRunnerGroupsFromHRAs(ctx context.Context, enterprise, org string) (*simulator.VisibleRunnerGroups, error) {
+	groups := simulator.NewVisibleRunnerGroups()
+	ns := autoscaler.Namespace
+
+	var defaultListOpts []client.ListOption
+	if ns != "" {
+		defaultListOpts = append(defaultListOpts, client.InNamespace(ns))
+	}
+
+	opts := append([]client.ListOption{}, defaultListOpts...)
+	if autoscaler.Namespace != "" {
+		opts = append(opts, client.InNamespace(autoscaler.Namespace))
+	}
+
+	var hraList v1alpha1.HorizontalRunnerAutoscalerList
+	if err := autoscaler.List(ctx, &hraList, opts...); err != nil {
+		return groups, err
+	}
+
+	for _, hra := range hraList.Items {
+		var o, e, g string
+
+		kind := hra.Spec.ScaleTargetRef.Kind
+		switch kind {
+		case "RunnerSet":
+			var rs v1alpha1.RunnerSet
+			if err := autoscaler.Client.Get(context.Background(), types.NamespacedName{Namespace: hra.Namespace, Name: hra.Spec.ScaleTargetRef.Name}, &rs); err != nil {
+				return groups, err
+			}
+			o, e, g = rs.Spec.Organization, rs.Spec.Enterprise, rs.Spec.Group
+		case "RunnerDeployment", "":
+			var rd v1alpha1.RunnerDeployment
+			if err := autoscaler.Client.Get(context.Background(), types.NamespacedName{Namespace: hra.Namespace, Name: hra.Spec.ScaleTargetRef.Name}, &rd); err != nil {
+				return groups, err
+			}
+			o, e, g = rd.Spec.Template.Spec.Organization, rd.Spec.Template.Spec.Enterprise, rd.Spec.Template.Spec.Group
+		default:
+			return nil, fmt.Errorf("unsupported scale target kind: %v", kind)
+		}
+
+		if g != "" && e == "" && o == "" {
+			autoscaler.Log.V(1).Info(
+				"invalid runner group config in scale target: spec.group must be set along with either spec.enterprise or spec.organization",
+				"scaleTargetKind", kind,
+				"group", g,
+				"enterprise", e,
+				"organization", o,
+			)
+
+			continue
+		}
+
+		if e != enterprise && o != org {
+			autoscaler.Log.V(1).Info(
+				"Skipped scale target irrelevant to event",
+				"eventOrganization", org,
+				"eventEnterprise", enterprise,
+				"scaleTargetKind", kind,
+				"scaleTargetGroup", g,
+				"scaleTargetEnterprise", e,
+				"scaleTargetOrganization", o,
+			)
+
+			continue
+		}
+
+		rg := simulator.NewRunnerGroupFromProperties(e, o, g)
+
+		if err := groups.Add(rg); err != nil {
+			return groups, fmt.Errorf("failed adding visible group from HRA %s/%s: %w", hra.Namespace, hra.Name, err)
+		}
+	}
+	return groups, nil
 }
 
 func (autoscaler *HorizontalRunnerAutoscalerGitHubWebhook) getJobScaleTarget(ctx context.Context, name string, labels []string) (*ScaleTarget, error) {
@@ -580,13 +691,17 @@ HRA:
 				return nil, err
 			}
 
-			if len(labels) == 1 && labels[0] == "self-hosted" {
-				return &ScaleTarget{HorizontalRunnerAutoscaler: hra, ScaleUpTrigger: v1alpha1.ScaleUpTrigger{Duration: duration}}, nil
-			}
-
 			// Ensure that the RunnerSet-managed runners have all the labels requested by the workflow_job.
 			for _, l := range labels {
 				var matched bool
+
+				// ignore "self-hosted" label as all instance here are self-hosted
+				if l == "self-hosted" {
+					continue
+				}
+
+				// TODO labels related to OS and architecture needs to be explicitly declared or the current implementation will not be able to find them.
+
 				for _, l2 := range rs.Spec.Labels {
 					if l == l2 {
 						matched = true
@@ -607,13 +722,17 @@ HRA:
 				return nil, err
 			}
 
-			if len(labels) == 1 && labels[0] == "self-hosted" {
-				return &ScaleTarget{HorizontalRunnerAutoscaler: hra, ScaleUpTrigger: v1alpha1.ScaleUpTrigger{Duration: duration}}, nil
-			}
-
 			// Ensure that the RunnerDeployment-managed runners have all the labels requested by the workflow_job.
 			for _, l := range labels {
 				var matched bool
+
+				// ignore "self-hosted" label as all instance here are self-hosted
+				if l == "self-hosted" {
+					continue
+				}
+
+				// TODO labels related to OS and architecture needs to be explicitly declared or the current implementation will not be able to find them.
+
 				for _, l2 := range rd.Spec.Template.Spec.Labels {
 					if l == l2 {
 						matched = true
@@ -716,31 +835,55 @@ func (autoscaler *HorizontalRunnerAutoscalerGitHubWebhook) SetupWithManager(mgr
 		switch hra.Spec.ScaleTargetRef.Kind {
 		case "", "RunnerDeployment":
 			var rd v1alpha1.RunnerDeployment
-
 			if err := autoscaler.Client.Get(context.Background(), types.NamespacedName{Namespace: hra.Namespace, Name: hra.Spec.ScaleTargetRef.Name}, &rd); err != nil {
+				autoscaler.Log.V(1).Info(fmt.Sprintf("RunnerDeployment not found with scale target ref name %s for hra %s", hra.Spec.ScaleTargetRef.Name, hra.Name))
 				return nil
 			}
 
-			keys := []string{rd.Spec.Template.Spec.Repository, rd.Spec.Template.Spec.Organization}
-
-			if enterprise := rd.Spec.Template.Spec.Enterprise; enterprise != "" {
-				keys = append(keys, enterpriseKey(enterprise))
+			keys := []string{}
+			if rd.Spec.Template.Spec.Repository != "" {
+				keys = append(keys, rd.Spec.Template.Spec.Repository) // Repository runners
 			}
-
+			if rd.Spec.Template.Spec.Organization != "" {
+				if group := rd.Spec.Template.Spec.Group; group != "" {
+					keys = append(keys, organizationalRunnerGroupKey(rd.Spec.Template.Spec.Organization, rd.Spec.Template.Spec.Group)) // Organization runner groups
+				} else {
+					keys = append(keys, rd.Spec.Template.Spec.Organization) // Organization runners
+				}
+			}
+			if enterprise := rd.Spec.Template.Spec.Enterprise; enterprise != "" {
+				if group := rd.Spec.Template.Spec.Group; group != "" {
+					keys = append(keys, enterpriseRunnerGroupKey(enterprise, rd.Spec.Template.Spec.Group)) // Enterprise runner groups
+				} else {
+					keys = append(keys, enterpriseKey(enterprise)) // Enterprise runners
+				}
+			}
+			autoscaler.Log.V(2).Info(fmt.Sprintf("HRA keys indexed for HRA %s: %v", hra.Name, keys))
 			return keys
 		case "RunnerSet":
 			var rs v1alpha1.RunnerSet
-
 			if err := autoscaler.Client.Get(context.Background(), types.NamespacedName{Namespace: hra.Namespace, Name: hra.Spec.ScaleTargetRef.Name}, &rs); err != nil {
+				autoscaler.Log.V(1).Info(fmt.Sprintf("RunnerSet not found with scale target ref name %s for hra %s", hra.Spec.ScaleTargetRef.Name, hra.Name))
 				return nil
 			}
 
-			keys := []string{rs.Spec.Repository, rs.Spec.Organization}
-
-			if enterprise := rs.Spec.Enterprise; enterprise != "" {
-				keys = append(keys, enterpriseKey(enterprise))
+			keys := []string{}
+			if rs.Spec.Repository != "" {
+				keys = append(keys, rs.Spec.Repository) // Repository runners
 			}
-
+			if rs.Spec.Organization != "" {
+				keys = append(keys, rs.Spec.Organization) // Organization runners
+				if group := rs.Spec.Group; group != "" {
+					keys = append(keys, organizationalRunnerGroupKey(rs.Spec.Organization, rs.Spec.Group)) // Organization runner groups
+				}
+			}
+			if enterprise := rs.Spec.Enterprise; enterprise != "" {
+				keys = append(keys, enterpriseKey(enterprise)) // Enterprise runners
+				if group := rs.Spec.Group; group != "" {
+					keys = append(keys, enterpriseRunnerGroupKey(enterprise, rs.Spec.Group)) // Enterprise runner groups
+				}
+			}
+			autoscaler.Log.V(2).Info(fmt.Sprintf("HRA keys indexed for HRA %s: %v", hra.Name, keys))
 			return keys
 		}
 
@@ -758,3 +901,11 @@ func (autoscaler *HorizontalRunnerAutoscalerGitHubWebhook) SetupWithManager(mgr
 func enterpriseKey(name string) string {
 	return keyPrefixEnterprise + name
 }
+
+func organizationalRunnerGroupKey(owner, group string) string {
+	return owner + keyRunnerGroup + group
+}
+
+func enterpriseRunnerGroupKey(enterprise, group string) string {
+	return keyPrefixEnterprise + enterprise + keyRunnerGroup + group
+}

controllers/horizontal_runner_autoscaler_webhook_on_check_run.go

@@ -3,7 +3,7 @@ package controllers
 import (
 	"github.com/actions-runner-controller/actions-runner-controller/api/v1alpha1"
 	"github.com/actions-runner-controller/actions-runner-controller/pkg/actionsglob"
-	"github.com/google/go-github/v37/github"
+	"github.com/google/go-github/v39/github"
 )
 
 func (autoscaler *HorizontalRunnerAutoscalerGitHubWebhook) MatchCheckRunEvent(event *github.CheckRunEvent) func(scaleUpTrigger v1alpha1.ScaleUpTrigger) bool {

controllers/horizontal_runner_autoscaler_webhook_on_pull_request.go

@@ -2,7 +2,7 @@ package controllers
 
 import (
 	"github.com/actions-runner-controller/actions-runner-controller/api/v1alpha1"
-	"github.com/google/go-github/v37/github"
+	"github.com/google/go-github/v39/github"
 )
 
 func (autoscaler *HorizontalRunnerAutoscalerGitHubWebhook) MatchPullRequestEvent(event *github.PullRequestEvent) func(scaleUpTrigger v1alpha1.ScaleUpTrigger) bool {

controllers/horizontal_runner_autoscaler_webhook_on_push.go

@@ -2,7 +2,7 @@ package controllers
 
 import (
 	"github.com/actions-runner-controller/actions-runner-controller/api/v1alpha1"
-	"github.com/google/go-github/v37/github"
+	"github.com/google/go-github/v39/github"
 )
 
 func (autoscaler *HorizontalRunnerAutoscalerGitHubWebhook) MatchPushEvent(event *github.PushEvent) func(scaleUpTrigger v1alpha1.ScaleUpTrigger) bool {

controllers/horizontal_runner_autoscaler_webhook_test.go

@@ -15,7 +15,7 @@ import (
 
 	actionsv1alpha1 "github.com/actions-runner-controller/actions-runner-controller/api/v1alpha1"
 	"github.com/go-logr/logr"
-	"github.com/google/go-github/v37/github"
+	"github.com/google/go-github/v39/github"
 	metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
 	"k8s.io/apimachinery/pkg/runtime"
 	clientgoscheme "k8s.io/client-go/kubernetes/scheme"
@@ -253,6 +253,145 @@ func TestWebhookWorkflowJob(t *testing.T) {
 	})
 }
 
+func TestWebhookWorkflowJobWithSelfHostedLabel(t *testing.T) {
+	setupTest := func() github.WorkflowJobEvent {
+		f, err := os.Open("testdata/org_webhook_workflow_job_with_self_hosted_label_payload.json")
+		if err != nil {
+			t.Fatalf("could not open the fixture: %s", err)
+		}
+		defer f.Close()
+		var e github.WorkflowJobEvent
+		if err := json.NewDecoder(f).Decode(&e); err != nil {
+			t.Fatalf("invalid json: %s", err)
+		}
+
+		return e
+	}
+	t.Run("Successful", func(t *testing.T) {
+		e := setupTest()
+		hra := &actionsv1alpha1.HorizontalRunnerAutoscaler{
+			ObjectMeta: metav1.ObjectMeta{
+				Name: "test-name",
+			},
+			Spec: actionsv1alpha1.HorizontalRunnerAutoscalerSpec{
+				ScaleTargetRef: actionsv1alpha1.ScaleTargetRef{
+					Name: "test-name",
+				},
+			},
+		}
+
+		rd := &actionsv1alpha1.RunnerDeployment{
+			ObjectMeta: metav1.ObjectMeta{
+				Name: "test-name",
+			},
+			Spec: actionsv1alpha1.RunnerDeploymentSpec{
+				Template: actionsv1alpha1.RunnerTemplate{
+					Spec: actionsv1alpha1.RunnerSpec{
+						RunnerConfig: actionsv1alpha1.RunnerConfig{
+							Organization: "MYORG",
+							Labels:       []string{"label1"},
+						},
+					},
+				},
+			},
+		}
+
+		initObjs := []runtime.Object{hra, rd}
+
+		testServerWithInitObjs(t,
+			"workflow_job",
+			&e,
+			200,
+			"scaled test-name by 1",
+			initObjs,
+		)
+	})
+	t.Run("WrongLabels", func(t *testing.T) {
+		e := setupTest()
+		hra := &actionsv1alpha1.HorizontalRunnerAutoscaler{
+			ObjectMeta: metav1.ObjectMeta{
+				Name: "test-name",
+			},
+			Spec: actionsv1alpha1.HorizontalRunnerAutoscalerSpec{
+				ScaleTargetRef: actionsv1alpha1.ScaleTargetRef{
+					Name: "test-name",
+				},
+			},
+		}
+
+		rd := &actionsv1alpha1.RunnerDeployment{
+			ObjectMeta: metav1.ObjectMeta{
+				Name: "test-name",
+			},
+			Spec: actionsv1alpha1.RunnerDeploymentSpec{
+				Template: actionsv1alpha1.RunnerTemplate{
+					Spec: actionsv1alpha1.RunnerSpec{
+						RunnerConfig: actionsv1alpha1.RunnerConfig{
+							Organization: "MYORG",
+							Labels:       []string{"bad-label"},
+						},
+					},
+				},
+			},
+		}
+
+		initObjs := []runtime.Object{hra, rd}
+
+		testServerWithInitObjs(t,
+			"workflow_job",
+			&e,
+			200,
+			"no horizontalrunnerautoscaler to scale for this github event",
+			initObjs,
+		)
+	})
+	// This test verifies that the old way of matching labels doesn't work anymore
+	t.Run("OldLabels", func(t *testing.T) {
+		e := setupTest()
+		hra := &actionsv1alpha1.HorizontalRunnerAutoscaler{
+			ObjectMeta: metav1.ObjectMeta{
+				Name: "test-name",
+			},
+			Spec: actionsv1alpha1.HorizontalRunnerAutoscalerSpec{
+				ScaleTargetRef: actionsv1alpha1.ScaleTargetRef{
+					Name: "test-name",
+				},
+			},
+		}
+
+		rd := &actionsv1alpha1.RunnerDeployment{
+			ObjectMeta: metav1.ObjectMeta{
+				Name: "test-name",
+			},
+			Spec: actionsv1alpha1.RunnerDeploymentSpec{
+				Template: actionsv1alpha1.RunnerTemplate{
+					ObjectMeta: metav1.ObjectMeta{
+						Labels: map[string]string{
+							"label1": "label1",
+						},
+					},
+					Spec: actionsv1alpha1.RunnerSpec{
+						RunnerConfig: actionsv1alpha1.RunnerConfig{
+							Organization: "MYORG",
+							Labels:       []string{"bad-label"},
+						},
+					},
+				},
+			},
+		}
+
+		initObjs := []runtime.Object{hra, rd}
+
+		testServerWithInitObjs(t,
+			"workflow_job",
+			&e,
+			200,
+			"no horizontalrunnerautoscaler to scale for this github event",
+			initObjs,
+		)
+	})
+}
+
 func TestGetRequest(t *testing.T) {
 	hra := HorizontalRunnerAutoscalerGitHubWebhook{}
 	request, _ := http.NewRequest(http.MethodGet, "/", nil)
@@ -306,12 +445,14 @@ func TestGetValidCapacityReservations(t *testing.T) {
 func installTestLogger(webhook *HorizontalRunnerAutoscalerGitHubWebhook) *bytes.Buffer {
 	logs := &bytes.Buffer{}
 
-	log := testLogger{
+	sink := &testLogSink{
 		name:   "testlog",
 		writer: logs,
 	}
 
-	webhook.Log = &log
+	log := logr.New(sink)
+
+	webhook.Log = log
 
 	return logs
 }
@@ -398,18 +539,22 @@ func sendWebhook(server *httptest.Server, eventType string, event interface{}) (
 	return http.DefaultClient.Do(req)
 }
 
-// testLogger is a sample logr.Logger that logs in-memory.
+// testLogSink is a sample logr.Logger that logs in-memory.
 // It's only for testing log outputs.
-type testLogger struct {
+type testLogSink struct {
 	name      string
 	keyValues map[string]interface{}
 
 	writer io.Writer
 }
 
-var _ logr.Logger = &testLogger{}
+var _ logr.LogSink = &testLogSink{}
 
-func (l *testLogger) Info(msg string, kvs ...interface{}) {
+func (l *testLogSink) Init(_ logr.RuntimeInfo) {
+
+}
+
+func (l *testLogSink) Info(_ int, msg string, kvs ...interface{}) {
 	fmt.Fprintf(l.writer, "%s] %s\t", l.name, msg)
 	for k, v := range l.keyValues {
 		fmt.Fprintf(l.writer, "%s=%+v ", k, v)
@@ -420,28 +565,24 @@ func (l *testLogger) Info(msg string, kvs ...interface{}) {
 	fmt.Fprintf(l.writer, "\n")
 }
 
-func (_ *testLogger) Enabled() bool {
+func (_ *testLogSink) Enabled(level int) bool {
 	return true
 }
 
-func (l *testLogger) Error(err error, msg string, kvs ...interface{}) {
+func (l *testLogSink) Error(err error, msg string, kvs ...interface{}) {
 	kvs = append(kvs, "error", err)
-	l.Info(msg, kvs...)
+	l.Info(0, msg, kvs...)
 }
 
-func (l *testLogger) V(_ int) logr.InfoLogger {
-	return l
-}
-
-func (l *testLogger) WithName(name string) logr.Logger {
-	return &testLogger{
+func (l *testLogSink) WithName(name string) logr.LogSink {
+	return &testLogSink{
 		name:      l.name + "." + name,
 		keyValues: l.keyValues,
 		writer:    l.writer,
 	}
 }
 
-func (l *testLogger) WithValues(kvs ...interface{}) logr.Logger {
+func (l *testLogSink) WithValues(kvs ...interface{}) logr.LogSink {
 	newMap := make(map[string]interface{}, len(l.keyValues)+len(kvs)/2)
 	for k, v := range l.keyValues {
 		newMap[k] = v
@@ -449,7 +590,7 @@ func (l *testLogger) WithValues(kvs ...interface{}) logr.Logger {
 	for i := 0; i < len(kvs); i += 2 {
 		newMap[kvs[i].(string)] = kvs[i+1]
 	}
-	return &testLogger{
+	return &testLogSink{
 		name:      l.name,
 		keyValues: newMap,
 		writer:    l.writer,

controllers/horizontalrunnerautoscaler_controller.go

@@ -25,10 +25,10 @@ import (
 	corev1 "k8s.io/api/core/v1"
 
 	"github.com/actions-runner-controller/actions-runner-controller/github"
+	"github.com/go-logr/logr"
 	kerrors "k8s.io/apimachinery/pkg/api/errors"
 	"k8s.io/apimachinery/pkg/types"
 
-	"github.com/go-logr/logr"
 	"k8s.io/apimachinery/pkg/runtime"
 	"k8s.io/client-go/tools/record"
 	ctrl "sigs.k8s.io/controller-runtime"

controllers/integration_test.go

@@ -8,7 +8,7 @@ import (
 	"time"
 
 	github2 "github.com/actions-runner-controller/actions-runner-controller/github"
-	"github.com/google/go-github/v37/github"
+	"github.com/google/go-github/v39/github"
 
 	"github.com/actions-runner-controller/actions-runner-controller/github/fake"
 
@@ -1077,6 +1077,169 @@ var _ = Context("INTEGRATION: Inside of a new namespace", func() {
 			}
 		})
 
+		It("should be able to scale visible organization runner group with default labels", func() {
+			name := "example-runnerdeploy"
+
+			{
+				rd := &actionsv1alpha1.RunnerDeployment{
+					ObjectMeta: metav1.ObjectMeta{
+						Name:      name,
+						Namespace: ns.Name,
+					},
+					Spec: actionsv1alpha1.RunnerDeploymentSpec{
+						Replicas: intPtr(1),
+						Selector: &metav1.LabelSelector{
+							MatchLabels: map[string]string{
+								"foo": "bar",
+							},
+						},
+						Template: actionsv1alpha1.RunnerTemplate{
+							ObjectMeta: metav1.ObjectMeta{
+								Labels: map[string]string{
+									"foo": "bar",
+								},
+							},
+							Spec: actionsv1alpha1.RunnerSpec{
+								RunnerConfig: actionsv1alpha1.RunnerConfig{
+									Repository: "test/valid",
+									Image:      "bar",
+									Group:      "baz",
+								},
+								RunnerPodSpec: actionsv1alpha1.RunnerPodSpec{
+									Env: []corev1.EnvVar{
+										{Name: "FOO", Value: "FOOVALUE"},
+									},
+								},
+							},
+						},
+					},
+				}
+
+				ExpectCreate(ctx, rd, "test RunnerDeployment")
+
+				hra := &actionsv1alpha1.HorizontalRunnerAutoscaler{
+					ObjectMeta: metav1.ObjectMeta{
+						Name:      name,
+						Namespace: ns.Name,
+					},
+					Spec: actionsv1alpha1.HorizontalRunnerAutoscalerSpec{
+						ScaleTargetRef: actionsv1alpha1.ScaleTargetRef{
+							Name: name,
+						},
+						MinReplicas:                       intPtr(1),
+						MaxReplicas:                       intPtr(5),
+						ScaleDownDelaySecondsAfterScaleUp: intPtr(1),
+						ScaleUpTriggers: []actionsv1alpha1.ScaleUpTrigger{
+							{
+								GitHubEvent: &actionsv1alpha1.GitHubEventScaleUpTriggerSpec{},
+								Amount:      1,
+								Duration:    metav1.Duration{Duration: time.Minute},
+							},
+						},
+					},
+				}
+
+				ExpectCreate(ctx, hra, "test HorizontalRunnerAutoscaler")
+
+				ExpectRunnerSetsCountEventuallyEquals(ctx, ns.Name, 1)
+				ExpectRunnerSetsManagedReplicasCountEventuallyEquals(ctx, ns.Name, 1)
+			}
+
+			{
+				env.ExpectRegisteredNumberCountEventuallyEquals(1, "count of fake list runners")
+			}
+
+			// Scale-up to 2 replicas on first workflow_job webhook event
+			{
+				env.SendWorkflowJobEvent("test", "valid", "pending", "created", []string{"self-hosted"})
+				ExpectRunnerSetsCountEventuallyEquals(ctx, ns.Name, 1, "runner sets after webhook")
+				ExpectRunnerSetsManagedReplicasCountEventuallyEquals(ctx, ns.Name, 2, "runners after first webhook event")
+				env.ExpectRegisteredNumberCountEventuallyEquals(2, "count of fake list runners")
+			}
+		})
+
+		It("should be able to scale visible organization runner group with custom labels", func() {
+			name := "example-runnerdeploy"
+
+			{
+				rd := &actionsv1alpha1.RunnerDeployment{
+					ObjectMeta: metav1.ObjectMeta{
+						Name:      name,
+						Namespace: ns.Name,
+					},
+					Spec: actionsv1alpha1.RunnerDeploymentSpec{
+						Replicas: intPtr(1),
+						Selector: &metav1.LabelSelector{
+							MatchLabels: map[string]string{
+								"foo": "bar",
+							},
+						},
+						Template: actionsv1alpha1.RunnerTemplate{
+							ObjectMeta: metav1.ObjectMeta{
+								Labels: map[string]string{
+									"foo": "bar",
+								},
+							},
+							Spec: actionsv1alpha1.RunnerSpec{
+								RunnerConfig: actionsv1alpha1.RunnerConfig{
+									Repository: "test/valid",
+									Image:      "bar",
+									Group:      "baz",
+									Labels:     []string{"custom-label"},
+								},
+								RunnerPodSpec: actionsv1alpha1.RunnerPodSpec{
+									Env: []corev1.EnvVar{
+										{Name: "FOO", Value: "FOOVALUE"},
+									},
+								},
+							},
+						},
+					},
+				}
+
+				ExpectCreate(ctx, rd, "test RunnerDeployment")
+
+				hra := &actionsv1alpha1.HorizontalRunnerAutoscaler{
+					ObjectMeta: metav1.ObjectMeta{
+						Name:      name,
+						Namespace: ns.Name,
+					},
+					Spec: actionsv1alpha1.HorizontalRunnerAutoscalerSpec{
+						ScaleTargetRef: actionsv1alpha1.ScaleTargetRef{
+							Name: name,
+						},
+						MinReplicas:                       intPtr(1),
+						MaxReplicas:                       intPtr(5),
+						ScaleDownDelaySecondsAfterScaleUp: intPtr(1),
+						ScaleUpTriggers: []actionsv1alpha1.ScaleUpTrigger{
+							{
+								GitHubEvent: &actionsv1alpha1.GitHubEventScaleUpTriggerSpec{},
+								Amount:      1,
+								Duration:    metav1.Duration{Duration: time.Minute},
+							},
+						},
+					},
+				}
+
+				ExpectCreate(ctx, hra, "test HorizontalRunnerAutoscaler")
+
+				ExpectRunnerSetsCountEventuallyEquals(ctx, ns.Name, 1)
+				ExpectRunnerSetsManagedReplicasCountEventuallyEquals(ctx, ns.Name, 1)
+			}
+
+			{
+				env.ExpectRegisteredNumberCountEventuallyEquals(1, "count of fake list runners")
+			}
+
+			// Scale-up to 2 replicas on first workflow_job webhook event
+			{
+				env.SendWorkflowJobEvent("test", "valid", "pending", "created", []string{"custom-label"})
+				ExpectRunnerSetsCountEventuallyEquals(ctx, ns.Name, 1, "runner sets after webhook")
+				ExpectRunnerSetsManagedReplicasCountEventuallyEquals(ctx, ns.Name, 2, "runners after first webhook event")
+				env.ExpectRegisteredNumberCountEventuallyEquals(2, "count of fake list runners")
+			}
+		})
+
 	})
 })
 
@@ -1208,6 +1371,28 @@ func (env *testEnvironment) SendUserCheckRunEvent(owner, repo, status, action st
 	ExpectWithOffset(1, resp.StatusCode).To(Equal(200))
 }
 
+func (env *testEnvironment) SendWorkflowJobEvent(owner, repo, status, action string, labels []string) {
+	resp, err := sendWebhook(env.webhookServer, "workflow_job", &github.WorkflowJobEvent{
+		Org: &github.Organization{
+			Name: github.String(owner),
+		},
+		WorkflowJob: &github.WorkflowJob{
+			Labels: labels,
+		},
+		Action: github.String("queued"),
+		Repo: &github.Repository{
+			Name: github.String(repo),
+			Owner: &github.User{
+				Login: github.String(owner),
+				Type:  github.String("Organization"),
+			},
+		},
+	})
+
+	ExpectWithOffset(1, err).NotTo(HaveOccurred(), "failed to send check_run event")
+
+	ExpectWithOffset(1, resp.StatusCode).To(Equal(200))
+}
 func (env *testEnvironment) SyncRunnerRegistrations() {
 	var runnerList actionsv1alpha1.RunnerList
 

controllers/runner_controller.go

@@ -24,15 +24,16 @@ import (
 	"time"
 
 	"github.com/actions-runner-controller/actions-runner-controller/hash"
-	gogithub "github.com/google/go-github/v37/github"
+	"github.com/go-logr/logr"
+	gogithub "github.com/google/go-github/v39/github"
 	"k8s.io/apimachinery/pkg/util/wait"
 
-	"github.com/go-logr/logr"
 	kerrors "k8s.io/apimachinery/pkg/api/errors"
 	"k8s.io/apimachinery/pkg/runtime"
 	"k8s.io/client-go/tools/record"
 	ctrl "sigs.k8s.io/controller-runtime"
 	"sigs.k8s.io/controller-runtime/pkg/client"
+	"sigs.k8s.io/controller-runtime/pkg/reconcile"
 
 	corev1 "k8s.io/api/core/v1"
 	metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
@@ -65,6 +66,7 @@ type RunnerReconciler struct {
 	Scheme                      *runtime.Scheme
 	GitHubClient                *github.Client
 	RunnerImage                 string
+	RunnerImagePullSecrets      []string
 	DockerImage                 string
 	DockerRegistryMirror        string
 	Name                        string
@@ -108,48 +110,8 @@ func (r *RunnerReconciler) Reconcile(ctx context.Context, req ctrl.Request) (ctr
 			return ctrl.Result{}, nil
 		}
 	} else {
-		finalizers, removed := removeFinalizer(runner.ObjectMeta.Finalizers, finalizerName)
-
-		if removed {
-			if len(runner.Status.Registration.Token) > 0 {
-				ok, err := r.unregisterRunner(ctx, runner.Spec.Enterprise, runner.Spec.Organization, runner.Spec.Repository, runner.Name)
-				if err != nil {
-					if errors.Is(err, &gogithub.RateLimitError{}) {
-						// We log the underlying error when we failed calling GitHub API to list or unregisters,
-						// or the runner is still busy.
-						log.Error(
-							err,
-							fmt.Sprintf(
-								"Failed to unregister runner due to GitHub API rate limits. Delaying retry for %s to avoid excessive GitHub API calls",
-								retryDelayOnGitHubAPIRateLimitError,
-							),
-						)
-
-						return ctrl.Result{RequeueAfter: retryDelayOnGitHubAPIRateLimitError}, err
-					}
-
-					return ctrl.Result{}, err
-				}
-
-				if !ok {
-					log.V(1).Info("Runner no longer exists on GitHub")
-				}
-			} else {
-				log.V(1).Info("Runner was never registered on GitHub")
-			}
-
-			newRunner := runner.DeepCopy()
-			newRunner.ObjectMeta.Finalizers = finalizers
-
-			if err := r.Patch(ctx, newRunner, client.MergeFrom(&runner)); err != nil {
-				log.Error(err, "Failed to update runner for finalizer removal")
-				return ctrl.Result{}, err
-			}
-
-			log.Info("Removed runner from GitHub", "repository", runner.Spec.Repository, "organization", runner.Spec.Organization)
-		}
-
-		return ctrl.Result{}, nil
+		// Request to remove a runner. DeletionTimestamp was set in the runner - we need to unregister runner
+		return r.processRunnerDeletion(runner, ctx, log)
 	}
 
 	registrationOnly := metav1.HasAnnotation(runner.ObjectMeta, annotationKeyRegistrationOnly)
@@ -183,325 +145,282 @@ func (r *RunnerReconciler) Reconcile(ctx context.Context, req ctrl.Request) (ctr
 	var pod corev1.Pod
 	if err := r.Get(ctx, req.NamespacedName, &pod); err != nil {
 		if !kerrors.IsNotFound(err) {
+			// An error ocurred
 			return ctrl.Result{}, err
 		}
+		return r.processRunnerCreation(ctx, runner, log)
+	}
 
-		if updated, err := r.updateRegistrationToken(ctx, runner); err != nil {
-			return ctrl.Result{}, err
-		} else if updated {
-			return ctrl.Result{Requeue: true}, nil
-		}
+	// Pod already exists
 
-		newPod, err := r.newPod(runner)
-		if err != nil {
-			log.Error(err, "Could not create pod")
-			return ctrl.Result{}, err
-		}
+	if !pod.ObjectMeta.DeletionTimestamp.IsZero() {
+		return r.processRunnerPodDeletion(ctx, runner, log, pod)
+	}
 
-		if err := r.Create(ctx, &newPod); err != nil {
-			if kerrors.IsAlreadyExists(err) {
-				// Gracefully handle pod-already-exists errors due to informer cache delay.
-				// Without this we got a few errors like the below on new runner pod:
-				// 2021-03-16T00:23:10.116Z        ERROR   controller-runtime.controller   Reconciler error      {"controller": "runner-controller", "request": "default/example-runnerdeploy-b2g2g-j4mcp", "error": "pods \"example-runnerdeploy-b2g2g-j4mcp\" already exists"}
-				log.Info(
-					"Failed to create pod due to AlreadyExists error. Probably this pod has been already created in previous reconcilation but is still not in the informer cache. Will retry on pod created. If it doesn't repeat, there's no problem",
-				)
+	// If pod has ended up succeeded we need to restart it
+	// Happens e.g. when dind is in runner and run completes
+	stopped := pod.Status.Phase == corev1.PodSucceeded
 
-				return ctrl.Result{}, nil
-			}
-
-			log.Error(err, "Failed to create pod resource")
-
-			return ctrl.Result{}, err
-		}
-
-		r.Recorder.Event(&runner, corev1.EventTypeNormal, "PodCreated", fmt.Sprintf("Created pod '%s'", newPod.Name))
-		log.Info("Created runner pod", "repository", runner.Spec.Repository)
-	} else {
-		if !pod.ObjectMeta.DeletionTimestamp.IsZero() {
-			deletionTimeout := 1 * time.Minute
-			currentTime := time.Now()
-			deletionDidTimeout := currentTime.Sub(pod.DeletionTimestamp.Add(deletionTimeout)) > 0
-
-			if deletionDidTimeout {
-				log.Info(
-					fmt.Sprintf("Failed to delete pod within %s. ", deletionTimeout)+
-						"This is typically the case when a Kubernetes node became unreachable "+
-						"and the kube controller started evicting nodes. Forcefully deleting the pod to not get stuck.",
-					"podDeletionTimestamp", pod.DeletionTimestamp,
-					"currentTime", currentTime,
-					"configuredDeletionTimeout", deletionTimeout,
-				)
-
-				var force int64 = 0
-				// forcefully delete runner as we would otherwise get stuck if the node stays unreachable
-				if err := r.Delete(ctx, &pod, &client.DeleteOptions{GracePeriodSeconds: &force}); err != nil {
-					// probably
-					if !kerrors.IsNotFound(err) {
-						log.Error(err, "Failed to forcefully delete pod resource ...")
-						return ctrl.Result{}, err
-					}
-					// forceful deletion finally succeeded
-					return ctrl.Result{Requeue: true}, nil
+	if !stopped {
+		if pod.Status.Phase == corev1.PodRunning {
+			for _, status := range pod.Status.ContainerStatuses {
+				if status.Name != containerName {
+					continue
 				}
 
-				r.Recorder.Event(&runner, corev1.EventTypeNormal, "PodDeleted", fmt.Sprintf("Forcefully deleted pod '%s'", pod.Name))
-				log.Info("Forcefully deleted runner pod", "repository", runner.Spec.Repository)
-				// give kube manager a little time to forcefully delete the stuck pod
-				return ctrl.Result{RequeueAfter: 3 * time.Second}, err
+				if status.State.Terminated != nil && status.State.Terminated.ExitCode == 0 {
+					stopped = true
+				}
+			}
+		}
+	}
+
+	restart := stopped
+
+	if registrationOnly && stopped {
+		restart = false
+
+		log.Info(
+			"Observed that registration-only runner for scaling-from-zero has successfully stopped. " +
+				"Unlike other pods, this one will be recreated only when runner spec changes.",
+		)
+	}
+
+	if updated, err := r.updateRegistrationToken(ctx, runner); err != nil {
+		return ctrl.Result{}, err
+	} else if updated {
+		return ctrl.Result{Requeue: true}, nil
+	}
+
+	newPod, err := r.newPod(runner)
+	if err != nil {
+		log.Error(err, "Could not create pod")
+		return ctrl.Result{}, err
+	}
+
+	if registrationOnly {
+		newPod.Spec.Containers[0].Env = append(
+			newPod.Spec.Containers[0].Env,
+			corev1.EnvVar{
+				Name:  "RUNNER_REGISTRATION_ONLY",
+				Value: "true",
+			},
+		)
+	}
+
+	var registrationRecheckDelay time.Duration
+
+	// all checks done below only decide whether a restart is needed
+	// if a restart was already decided before, there is no need for the checks
+	// saving API calls and scary log messages
+	if !restart {
+		registrationCheckInterval := time.Minute
+		if r.RegistrationRecheckInterval > 0 {
+			registrationCheckInterval = r.RegistrationRecheckInterval
+		}
+
+		// We want to call ListRunners GitHub Actions API only once per runner per minute.
+		// This if block, in conjunction with:
+		//   return ctrl.Result{RequeueAfter: registrationRecheckDelay}, nil
+		// achieves that.
+		if lastCheckTime := runner.Status.LastRegistrationCheckTime; lastCheckTime != nil {
+			nextCheckTime := lastCheckTime.Add(registrationCheckInterval)
+			now := time.Now()
+
+			// Requeue scheduled by RequeueAfter can happen a bit earlier (like dozens of milliseconds)
+			// so to avoid excessive, in-effective retry, we heuristically ignore the remaining delay in case it is
+			// shorter than 1s
+			requeueAfter := nextCheckTime.Sub(now) - time.Second
+			if requeueAfter > 0 {
+				log.Info(
+					fmt.Sprintf("Skipped registration check because it's deferred until %s. Retrying in %s at latest", nextCheckTime, requeueAfter),
+					"lastRegistrationCheckTime", lastCheckTime,
+					"registrationCheckInterval", registrationCheckInterval,
+				)
+
+				// Without RequeueAfter, the controller may not retry on scheduled. Instead, it must wait until the
+				// next sync period passes, which can be too much later than nextCheckTime.
+				//
+				// We need to requeue on this reconcilation even though we have already scheduled the initial
+				// requeue previously with `return ctrl.Result{RequeueAfter: registrationRecheckDelay}, nil`.
+				// Apparently, the workqueue used by controller-runtime seems to deduplicate and resets the delay on
+				// other requeues- so the initial scheduled requeue may have been reset due to requeue on
+				// spec/status change.
+				return ctrl.Result{RequeueAfter: requeueAfter}, nil
+			}
+		}
+
+		notFound := false
+		offline := false
+
+		runnerBusy, err := r.GitHubClient.IsRunnerBusy(ctx, runner.Spec.Enterprise, runner.Spec.Organization, runner.Spec.Repository, runner.Name)
+
+		currentTime := time.Now()
+
+		if err != nil {
+			var notFoundException *github.RunnerNotFound
+			var offlineException *github.RunnerOffline
+			if errors.As(err, &notFoundException) {
+				notFound = true
+			} else if errors.As(err, &offlineException) {
+				offline = true
 			} else {
+				var e *gogithub.RateLimitError
+				if errors.As(err, &e) {
+					// We log the underlying error when we failed calling GitHub API to list or unregisters,
+					// or the runner is still busy.
+					log.Error(
+						err,
+						fmt.Sprintf(
+							"Failed to check if runner is busy due to Github API rate limit. Retrying in %s to avoid excessive GitHub API calls",
+							retryDelayOnGitHubAPIRateLimitError,
+						),
+					)
+
+					return ctrl.Result{RequeueAfter: retryDelayOnGitHubAPIRateLimitError}, err
+				}
+
 				return ctrl.Result{}, err
 			}
 		}
 
-		// If pod has ended up succeeded we need to restart it
-		// Happens e.g. when dind is in runner and run completes
-		stopped := pod.Status.Phase == corev1.PodSucceeded
+		// See the `newPod` function called above for more information
+		// about when this hash changes.
+		curHash := pod.Labels[LabelKeyPodTemplateHash]
+		newHash := newPod.Labels[LabelKeyPodTemplateHash]
 
-		if !stopped {
-			if pod.Status.Phase == corev1.PodRunning {
-				for _, status := range pod.Status.ContainerStatuses {
-					if status.Name != containerName {
-						continue
-					}
-
-					if status.State.Terminated != nil && status.State.Terminated.ExitCode == 0 {
-						stopped = true
-					}
-				}
-			}
+		if !runnerBusy && curHash != newHash {
+			restart = true
 		}
 
-		restart := stopped
+		registrationTimeout := 10 * time.Minute
+		durationAfterRegistrationTimeout := currentTime.Sub(pod.CreationTimestamp.Add(registrationTimeout))
+		registrationDidTimeout := durationAfterRegistrationTimeout > 0
 
-		if registrationOnly && stopped {
-			restart = false
+		if notFound {
+			if registrationDidTimeout {
+				log.Info(
+					"Runner failed to register itself to GitHub in timely manner. "+
+						"Recreating the pod to see if it resolves the issue. "+
+						"CAUTION: If you see this a lot, you should investigate the root cause. "+
+						"See https://github.com/actions-runner-controller/actions-runner-controller/issues/288",
+					"podCreationTimestamp", pod.CreationTimestamp,
+					"currentTime", currentTime,
+					"configuredRegistrationTimeout", registrationTimeout,
+				)
 
-			log.Info(
-				"Observed that registration-only runner for scaling-from-zero has successfully stopped. " +
-					"Unlike other pods, this one will be recreated only when runner spec changes.",
-			)
-		}
-
-		if updated, err := r.updateRegistrationToken(ctx, runner); err != nil {
-			return ctrl.Result{}, err
-		} else if updated {
-			return ctrl.Result{Requeue: true}, nil
-		}
-
-		newPod, err := r.newPod(runner)
-		if err != nil {
-			log.Error(err, "Could not create pod")
-			return ctrl.Result{}, err
-		}
-
-		if registrationOnly {
-			newPod.Spec.Containers[0].Env = append(
-				newPod.Spec.Containers[0].Env,
-				corev1.EnvVar{
-					Name:  "RUNNER_REGISTRATION_ONLY",
-					Value: "true",
-				},
-			)
-		}
-
-		var registrationRecheckDelay time.Duration
-
-		// all checks done below only decide whether a restart is needed
-		// if a restart was already decided before, there is no need for the checks
-		// saving API calls and scary log messages
-		if !restart {
-			registrationCheckInterval := time.Minute
-			if r.RegistrationRecheckInterval > 0 {
-				registrationCheckInterval = r.RegistrationRecheckInterval
-			}
-
-			// We want to call ListRunners GitHub Actions API only once per runner per minute.
-			// This if block, in conjunction with:
-			//   return ctrl.Result{RequeueAfter: registrationRecheckDelay}, nil
-			// achieves that.
-			if lastCheckTime := runner.Status.LastRegistrationCheckTime; lastCheckTime != nil {
-				nextCheckTime := lastCheckTime.Add(registrationCheckInterval)
-				now := time.Now()
-
-				// Requeue scheduled by RequeueAfter can happen a bit earlier (like dozens of milliseconds)
-				// so to avoid excessive, in-effective retry, we heuristically ignore the remaining delay in case it is
-				// shorter than 1s
-				requeueAfter := nextCheckTime.Sub(now) - time.Second
-				if requeueAfter > 0 {
-					log.Info(
-						fmt.Sprintf("Skipped registration check because it's deferred until %s. Retrying in %s at latest", nextCheckTime, requeueAfter),
-						"lastRegistrationCheckTime", lastCheckTime,
-						"registrationCheckInterval", registrationCheckInterval,
-					)
-
-					// Without RequeueAfter, the controller may not retry on scheduled. Instead, it must wait until the
-					// next sync period passes, which can be too much later than nextCheckTime.
-					//
-					// We need to requeue on this reconcilation even though we have already scheduled the initial
-					// requeue previously with `return ctrl.Result{RequeueAfter: registrationRecheckDelay}, nil`.
-					// Apparently, the workqueue used by controller-runtime seems to deduplicate and resets the delay on
-					// other requeues- so the initial scheduled requeue may have been reset due to requeue on
-					// spec/status change.
-					return ctrl.Result{RequeueAfter: requeueAfter}, nil
-				}
-			}
-
-			notFound := false
-			offline := false
-
-			runnerBusy, err := r.GitHubClient.IsRunnerBusy(ctx, runner.Spec.Enterprise, runner.Spec.Organization, runner.Spec.Repository, runner.Name)
-
-			currentTime := time.Now()
-
-			if err != nil {
-				var notFoundException *github.RunnerNotFound
-				var offlineException *github.RunnerOffline
-				if errors.As(err, &notFoundException) {
-					notFound = true
-				} else if errors.As(err, &offlineException) {
-					offline = true
-				} else {
-					var e *gogithub.RateLimitError
-					if errors.As(err, &e) {
-						// We log the underlying error when we failed calling GitHub API to list or unregisters,
-						// or the runner is still busy.
-						log.Error(
-							err,
-							fmt.Sprintf(
-								"Failed to check if runner is busy due to Github API rate limit. Retrying in %s to avoid excessive GitHub API calls",
-								retryDelayOnGitHubAPIRateLimitError,
-							),
-						)
-
-						return ctrl.Result{RequeueAfter: retryDelayOnGitHubAPIRateLimitError}, err
-					}
-
-					return ctrl.Result{}, err
-				}
-			}
-
-			// See the `newPod` function called above for more information
-			// about when this hash changes.
-			curHash := pod.Labels[LabelKeyPodTemplateHash]
-			newHash := newPod.Labels[LabelKeyPodTemplateHash]
-
-			if !runnerBusy && curHash != newHash {
 				restart = true
+			} else {
+				log.V(1).Info(
+					"Runner pod exists but we failed to check if runner is busy. Apparently it still needs more time.",
+					"runnerName", runner.Name,
+				)
 			}
-
-			registrationTimeout := 10 * time.Minute
-			durationAfterRegistrationTimeout := currentTime.Sub(pod.CreationTimestamp.Add(registrationTimeout))
-			registrationDidTimeout := durationAfterRegistrationTimeout > 0
-
-			if notFound {
-				if registrationDidTimeout {
+		} else if offline {
+			if registrationOnly {
+				log.Info(
+					"Observed that registration-only runner for scaling-from-zero has successfully been registered.",
+					"podCreationTimestamp", pod.CreationTimestamp,
+					"currentTime", currentTime,
+					"configuredRegistrationTimeout", registrationTimeout,
+				)
+			} else if registrationDidTimeout {
+				if runnerBusy {
 					log.Info(
-						"Runner failed to register itself to GitHub in timely manner. "+
+						"Timeout out while waiting for the runner to be online, but observed that it's busy at the same time."+
+							"This is a known (unintuitive) behaviour of a runner that is already running a job. Please see https://github.com/actions-runner-controller/actions-runner-controller/issues/911",
+						"podCreationTimestamp", pod.CreationTimestamp,
+						"currentTime", currentTime,
+						"configuredRegistrationTimeout", registrationTimeout,
+					)
+				} else {
+					log.Info(
+						"Already existing GitHub runner still appears offline . "+
 							"Recreating the pod to see if it resolves the issue. "+
-							"CAUTION: If you see this a lot, you should investigate the root cause. "+
-							"See https://github.com/actions-runner-controller/actions-runner-controller/issues/288",
+							"CAUTION: If you see this a lot, you should investigate the root cause. ",
 						"podCreationTimestamp", pod.CreationTimestamp,
 						"currentTime", currentTime,
 						"configuredRegistrationTimeout", registrationTimeout,
 					)
 
 					restart = true
-				} else {
-					log.V(1).Info(
-						"Runner pod exists but we failed to check if runner is busy. Apparently it still needs more time.",
-						"runnerName", runner.Name,
-					)
 				}
-			} else if offline {
-				if registrationOnly {
-					log.Info(
-						"Observed that registration-only runner for scaling-from-zero has successfully been registered.",
-						"podCreationTimestamp", pod.CreationTimestamp,
-						"currentTime", currentTime,
-						"configuredRegistrationTimeout", registrationTimeout,
-					)
-				} else if registrationDidTimeout {
-					if runnerBusy {
-						log.Info(
-							"Timeout out while waiting for the runner to be online, but observed that it's busy at the same time."+
-								"This is a known (unintuitive) behaviour of a runner that is already running a job. Please see https://github.com/actions-runner-controller/actions-runner-controller/issues/911",
-							"podCreationTimestamp", pod.CreationTimestamp,
-							"currentTime", currentTime,
-							"configuredRegistrationTimeout", registrationTimeout,
-						)
-					} else {
-						log.Info(
-							"Already existing GitHub runner still appears offline . "+
-								"Recreating the pod to see if it resolves the issue. "+
-								"CAUTION: If you see this a lot, you should investigate the root cause. ",
-							"podCreationTimestamp", pod.CreationTimestamp,
-							"currentTime", currentTime,
-							"configuredRegistrationTimeout", registrationTimeout,
-						)
-
-						restart = true
-					}
-				} else {
-					log.V(1).Info(
-						"Runner pod exists but the GitHub runner appears to be still offline. Waiting for runner to get online ...",
-						"runnerName", runner.Name,
-					)
-				}
-			}
-
-			if (notFound || (offline && !registrationOnly)) && !registrationDidTimeout {
-				registrationRecheckJitter := 10 * time.Second
-				if r.RegistrationRecheckJitter > 0 {
-					registrationRecheckJitter = r.RegistrationRecheckJitter
-				}
-
-				registrationRecheckDelay = registrationCheckInterval + wait.Jitter(registrationRecheckJitter, 0.1)
+			} else {
+				log.V(1).Info(
+					"Runner pod exists but the GitHub runner appears to be still offline. Waiting for runner to get online ...",
+					"runnerName", runner.Name,
+				)
 			}
 		}
 
-		// Don't do anything if there's no need to restart the runner
-		if !restart {
-			// This guard enables us to update runner.Status.Phase to `Running` only after
-			// the runner is registered to GitHub.
-			if registrationRecheckDelay > 0 {
-				log.V(1).Info(fmt.Sprintf("Rechecking the runner registration in %s", registrationRecheckDelay))
-
-				updated := runner.DeepCopy()
-				updated.Status.LastRegistrationCheckTime = &metav1.Time{Time: time.Now()}
-
-				if err := r.Status().Patch(ctx, updated, client.MergeFrom(&runner)); err != nil {
-					log.Error(err, "Failed to update runner status for LastRegistrationCheckTime")
-					return ctrl.Result{}, err
-				}
-
-				return ctrl.Result{RequeueAfter: registrationRecheckDelay}, nil
+		if (notFound || (offline && !registrationOnly)) && !registrationDidTimeout {
+			registrationRecheckJitter := 10 * time.Second
+			if r.RegistrationRecheckJitter > 0 {
+				registrationRecheckJitter = r.RegistrationRecheckJitter
 			}
 
-			if runner.Status.Phase != string(pod.Status.Phase) {
-				if pod.Status.Phase == corev1.PodRunning {
-					// Seeing this message, you can expect the runner to become `Running` soon.
-					log.Info(
-						"Runner appears to have registered and running.",
-						"podCreationTimestamp", pod.CreationTimestamp,
-					)
-				}
+			registrationRecheckDelay = registrationCheckInterval + wait.Jitter(registrationRecheckJitter, 0.1)
+		}
+	}
 
-				updated := runner.DeepCopy()
-				updated.Status.Phase = string(pod.Status.Phase)
-				updated.Status.Reason = pod.Status.Reason
-				updated.Status.Message = pod.Status.Message
+	// Don't do anything if there's no need to restart the runner
+	if !restart {
+		// This guard enables us to update runner.Status.Phase to `Running` only after
+		// the runner is registered to GitHub.
+		if registrationRecheckDelay > 0 {
+			log.V(1).Info(fmt.Sprintf("Rechecking the runner registration in %s", registrationRecheckDelay))
 
-				if err := r.Status().Patch(ctx, updated, client.MergeFrom(&runner)); err != nil {
-					log.Error(err, "Failed to update runner status for Phase/Reason/Message")
-					return ctrl.Result{}, err
-				}
+			updated := runner.DeepCopy()
+			updated.Status.LastRegistrationCheckTime = &metav1.Time{Time: time.Now()}
+
+			if err := r.Status().Patch(ctx, updated, client.MergeFrom(&runner)); err != nil {
+				log.Error(err, "Failed to update runner status for LastRegistrationCheckTime")
+				return ctrl.Result{}, err
 			}
 
-			return ctrl.Result{}, nil
+			return ctrl.Result{RequeueAfter: registrationRecheckDelay}, nil
 		}
 
-		// Delete current pod if recreation is needed
+		if runner.Status.Phase != string(pod.Status.Phase) {
+			if pod.Status.Phase == corev1.PodRunning {
+				// Seeing this message, you can expect the runner to become `Running` soon.
+				log.Info(
+					"Runner appears to have registered and running.",
+					"podCreationTimestamp", pod.CreationTimestamp,
+				)
+			}
+
+			updated := runner.DeepCopy()
+			updated.Status.Phase = string(pod.Status.Phase)
+			updated.Status.Reason = pod.Status.Reason
+			updated.Status.Message = pod.Status.Message
+
+			if err := r.Status().Patch(ctx, updated, client.MergeFrom(&runner)); err != nil {
+				log.Error(err, "Failed to update runner status for Phase/Reason/Message")
+				return ctrl.Result{}, err
+			}
+		}
+
+		return ctrl.Result{}, nil
+	}
+
+	// Try to delete current pod if recreation is needed
+	safeToDeletePod := false
+	ok, err := r.unregisterRunner(ctx, runner.Spec.Enterprise, runner.Spec.Organization, runner.Spec.Repository, runner.Name)
+	if err != nil {
+		log.Error(err, "Failed to unregister runner before deleting the pod.", "runner", runner.Name)
+	} else {
+		// `r.unregisterRunner()` will returns `false, nil` if the runner is not found on GitHub.
+		if !ok {
+			log.Info("Runner no longer exists on GitHub", "runner", runner.Name)
+		}
+
+		safeToDeletePod = true
+	}
+
+	if safeToDeletePod {
+		// Only delete the pod if we successfully unregistered the runner or the runner is already deleted from the service.
+		// This should help us avoid race condition between runner pickup job after we think the runner is not busy.
 		if err := r.Delete(ctx, &pod); err != nil {
 			log.Error(err, "Failed to delete pod resource")
 			return ctrl.Result{}, err
@@ -514,32 +433,130 @@ func (r *RunnerReconciler) Reconcile(ctx context.Context, req ctrl.Request) (ctr
 	return ctrl.Result{}, nil
 }
 
-func (r *RunnerReconciler) unregisterRunner(ctx context.Context, enterprise, org, repo, name string) (bool, error) {
-	runners, err := r.GitHubClient.ListRunners(ctx, enterprise, org, repo)
-	if err != nil {
-		return false, err
-	}
+func (r *RunnerReconciler) processRunnerDeletion(runner v1alpha1.Runner, ctx context.Context, log logr.Logger) (reconcile.Result, error) {
+	finalizers, removed := removeFinalizer(runner.ObjectMeta.Finalizers, finalizerName)
 
-	id := int64(0)
-	for _, runner := range runners {
-		if runner.GetName() == name {
-			if runner.GetBusy() {
-				return false, fmt.Errorf("runner is busy")
+	if removed {
+		if len(runner.Status.Registration.Token) > 0 {
+			ok, err := r.unregisterRunner(ctx, runner.Spec.Enterprise, runner.Spec.Organization, runner.Spec.Repository, runner.Name)
+			if err != nil {
+				if errors.Is(err, &gogithub.RateLimitError{}) {
+					// We log the underlying error when we failed calling GitHub API to list or unregisters,
+					// or the runner is still busy.
+					log.Error(
+						err,
+						fmt.Sprintf(
+							"Failed to unregister runner due to GitHub API rate limits. Delaying retry for %s to avoid excessive GitHub API calls",
+							retryDelayOnGitHubAPIRateLimitError,
+						),
+					)
+
+					return ctrl.Result{RequeueAfter: retryDelayOnGitHubAPIRateLimitError}, err
+				}
+
+				return ctrl.Result{}, err
 			}
-			id = runner.GetID()
-			break
+
+			if !ok {
+				log.V(1).Info("Runner no longer exists on GitHub")
+			}
+		} else {
+			log.V(1).Info("Runner was never registered on GitHub")
 		}
+
+		newRunner := runner.DeepCopy()
+		newRunner.ObjectMeta.Finalizers = finalizers
+
+		if err := r.Patch(ctx, newRunner, client.MergeFrom(&runner)); err != nil {
+			log.Error(err, "Failed to update runner for finalizer removal")
+			return ctrl.Result{}, err
+		}
+
+		log.Info("Removed runner from GitHub", "repository", runner.Spec.Repository, "organization", runner.Spec.Organization)
 	}
 
-	if id == int64(0) {
-		return false, nil
+	return ctrl.Result{}, nil
+}
+
+func (r *RunnerReconciler) processRunnerPodDeletion(ctx context.Context, runner v1alpha1.Runner, log logr.Logger, pod corev1.Pod) (reconcile.Result, error) {
+	deletionTimeout := 1 * time.Minute
+	currentTime := time.Now()
+	deletionDidTimeout := currentTime.Sub(pod.DeletionTimestamp.Add(deletionTimeout)) > 0
+
+	if deletionDidTimeout {
+		log.Info(
+			fmt.Sprintf("Failed to delete pod within %s. ", deletionTimeout)+
+				"This is typically the case when a Kubernetes node became unreachable "+
+				"and the kube controller started evicting nodes. Forcefully deleting the pod to not get stuck.",
+			"podDeletionTimestamp", pod.DeletionTimestamp,
+			"currentTime", currentTime,
+			"configuredDeletionTimeout", deletionTimeout,
+		)
+
+		var force int64 = 0
+		// forcefully delete runner as we would otherwise get stuck if the node stays unreachable
+		if err := r.Delete(ctx, &pod, &client.DeleteOptions{GracePeriodSeconds: &force}); err != nil {
+			// probably
+			if !kerrors.IsNotFound(err) {
+				log.Error(err, "Failed to forcefully delete pod resource ...")
+				return ctrl.Result{}, err
+			}
+			// forceful deletion finally succeeded
+			return ctrl.Result{Requeue: true}, nil
+		}
+
+		r.Recorder.Event(&runner, corev1.EventTypeNormal, "PodDeleted", fmt.Sprintf("Forcefully deleted pod '%s'", pod.Name))
+		log.Info("Forcefully deleted runner pod", "repository", runner.Spec.Repository)
+		// give kube manager a little time to forcefully delete the stuck pod
+		return ctrl.Result{RequeueAfter: 3 * time.Second}, nil
+	} else {
+		return ctrl.Result{}, nil
+	}
+}
+
+func (r *RunnerReconciler) processRunnerCreation(ctx context.Context, runner v1alpha1.Runner, log logr.Logger) (reconcile.Result, error) {
+	if updated, err := r.updateRegistrationToken(ctx, runner); err != nil {
+		return ctrl.Result{}, err
+	} else if updated {
+		return ctrl.Result{Requeue: true}, nil
 	}
 
-	if err := r.GitHubClient.RemoveRunner(ctx, enterprise, org, repo, id); err != nil {
-		return false, err
+	newPod, err := r.newPod(runner)
+	if err != nil {
+		log.Error(err, "Could not create pod")
+		return ctrl.Result{}, err
 	}
 
-	return true, nil
+	if err := r.Create(ctx, &newPod); err != nil {
+		if kerrors.IsAlreadyExists(err) {
+			// Gracefully handle pod-already-exists errors due to informer cache delay.
+			// Without this we got a few errors like the below on new runner pod:
+			// 2021-03-16T00:23:10.116Z        ERROR   controller-runtime.controller   Reconciler error      {"controller": "runner-controller", "request": "default/example-runnerdeploy-b2g2g-j4mcp", "error": "pods \"example-runnerdeploy-b2g2g-j4mcp\" already exists"}
+			log.Info(
+				"Failed to create pod due to AlreadyExists error. Probably this pod has been already created in previous reconcilation but is still not in the informer cache. Will retry on pod created. If it doesn't repeat, there's no problem",
+			)
+			return ctrl.Result{}, nil
+		}
+
+		log.Error(err, "Failed to create pod resource")
+
+		return ctrl.Result{}, err
+	}
+
+	r.Recorder.Event(&runner, corev1.EventTypeNormal, "PodCreated", fmt.Sprintf("Created pod '%s'", newPod.Name))
+	log.Info("Created runner pod", "repository", runner.Spec.Repository)
+	return ctrl.Result{}, nil
+}
+
+// unregisterRunner unregisters the runner from GitHub Actions by name.
+//
+// This function returns:
+// - (true, nil) when it has successfully unregistered the runner.
+// - (false, nil) when the runner has been already unregistered.
+// - (false, err) when it postponed unregistration due to the runner being busy, or it tried to unregister the runner but failed due to
+//   an error returned by GitHub API.
+func (r *RunnerReconciler) unregisterRunner(ctx context.Context, enterprise, org, repo, name string) (bool, error) {
+	return unregisterRunner(ctx, r.GitHubClient, enterprise, org, repo, name)
 }
 
 func (r *RunnerReconciler) updateRegistrationToken(ctx context.Context, runner v1alpha1.Runner) (bool, error) {
@@ -609,6 +626,11 @@ func (r *RunnerReconciler) newPod(runner v1alpha1.Runner) (corev1.Pod, error) {
 		runner.ObjectMeta.Annotations,
 		runner.Spec,
 		r.GitHubClient.GithubBaseURL,
+		// Token change should trigger replacement.
+		// We need to include this explicitly here because
+		// runner.Spec does not contain the possibly updated token stored in the
+		// runner status yet.
+		runner.Status.Registration.Token,
 	)
 
 	objectMeta := metav1.ObjectMeta{
@@ -634,6 +656,7 @@ func (r *RunnerReconciler) newPod(runner v1alpha1.Runner) (corev1.Pod, error) {
 				Name:         "docker",
 				VolumeMounts: runner.Spec.DockerVolumeMounts,
 				Resources:    runner.Spec.DockerdContainerResources,
+				Env:          runner.Spec.DockerEnv,
 			})
 		}
 	} else {
@@ -645,7 +668,7 @@ func (r *RunnerReconciler) newPod(runner v1alpha1.Runner) (corev1.Pod, error) {
 
 	registrationOnly := metav1.HasAnnotation(runner.ObjectMeta, annotationKeyRegistrationOnly)
 
-	pod, err := newRunnerPod(template, runner.Spec.RunnerConfig, r.RunnerImage, r.DockerImage, r.DockerRegistryMirror, r.GitHubClient.GithubBaseURL, registrationOnly)
+	pod, err := newRunnerPod(template, runner.Spec.RunnerConfig, r.RunnerImage, r.RunnerImagePullSecrets, r.DockerImage, r.DockerRegistryMirror, r.GitHubClient.GithubBaseURL, registrationOnly)
 	if err != nil {
 		return pod, err
 	}
@@ -654,10 +677,29 @@ func (r *RunnerReconciler) newPod(runner v1alpha1.Runner) (corev1.Pod, error) {
 	runnerSpec := runner.Spec
 
 	if len(runnerSpec.VolumeMounts) != 0 {
+		// if operater provides a work volume mount, use that
+		isPresent, _ := workVolumeMountPresent(runnerSpec.VolumeMounts)
+		if isPresent {
+			// remove work volume since it will be provided from runnerSpec.Volumes
+			// if we don't remove it here we would get a duplicate key error, i.e. two volumes named work
+			_, index := workVolumeMountPresent(pod.Spec.Containers[0].VolumeMounts)
+			pod.Spec.Containers[0].VolumeMounts = append(pod.Spec.Containers[0].VolumeMounts[:index], pod.Spec.Containers[0].VolumeMounts[index+1:]...)
+		}
+
 		pod.Spec.Containers[0].VolumeMounts = append(pod.Spec.Containers[0].VolumeMounts, runnerSpec.VolumeMounts...)
 	}
 
 	if len(runnerSpec.Volumes) != 0 {
+		// if operator provides a work volume. use that
+		isPresent, _ := workVolumePresent(runnerSpec.Volumes)
+		if isPresent {
+			_, index := workVolumePresent(pod.Spec.Volumes)
+
+			// remove work volume since it will be provided from runnerSpec.Volumes
+			// if we don't remove it here we would get a duplicate key error, i.e. two volumes named work
+			pod.Spec.Volumes = append(pod.Spec.Volumes[:index], pod.Spec.Volumes[index+1:]...)
+		}
+
 		pod.Spec.Volumes = append(pod.Spec.Volumes, runnerSpec.Volumes...)
 	}
 	if len(runnerSpec.InitContainers) != 0 {
@@ -743,7 +785,7 @@ func mutatePod(pod *corev1.Pod, token string) *corev1.Pod {
 	return updated
 }
 
-func newRunnerPod(template corev1.Pod, runnerSpec v1alpha1.RunnerConfig, defaultRunnerImage, defaultDockerImage, defaultDockerRegistryMirror string, githubBaseURL string, registrationOnly bool) (corev1.Pod, error) {
+func newRunnerPod(template corev1.Pod, runnerSpec v1alpha1.RunnerConfig, defaultRunnerImage string, defaultRunnerImagePullSecrets []string, defaultDockerImage, defaultDockerRegistryMirror string, githubBaseURL string, registrationOnly bool) (corev1.Pod, error) {
 	var (
 		privileged                bool = true
 		dockerdInRunner           bool = runnerSpec.DockerdWithinRunnerContainer != nil && *runnerSpec.DockerdWithinRunnerContainer
@@ -764,6 +806,8 @@ func newRunnerPod(template corev1.Pod, runnerSpec v1alpha1.RunnerConfig, default
 		dockerRegistryMirror = *runnerSpec.DockerRegistryMirror
 	}
 
+	// Be aware some of the environment variables are used
+	// in the runner entrypoint script
 	env := []corev1.EnvVar{
 		{
 			Name:  EnvVarOrg,
@@ -785,6 +829,10 @@ func newRunnerPod(template corev1.Pod, runnerSpec v1alpha1.RunnerConfig, default
 			Name:  "RUNNER_GROUP",
 			Value: runnerSpec.Group,
 		},
+		{
+			Name:  "DOCKER_ENABLED",
+			Value: fmt.Sprintf("%v", dockerEnabled || dockerdInRunner),
+		},
 		{
 			Name:  "DOCKERD_IN_RUNNER",
 			Value: fmt.Sprintf("%v", dockerdInRunner),
@@ -886,6 +934,15 @@ func newRunnerPod(template corev1.Pod, runnerSpec v1alpha1.RunnerConfig, default
 		}...)
 	}
 
+	if len(pod.Spec.ImagePullSecrets) == 0 && len(defaultRunnerImagePullSecrets) > 0 {
+		// runner spec didn't provide custom values and default image pull secrets are provided
+		for _, imagePullSecret := range defaultRunnerImagePullSecrets {
+			pod.Spec.ImagePullSecrets = append(pod.Spec.ImagePullSecrets, corev1.LocalObjectReference{
+				Name: imagePullSecret,
+			})
+		}
+	}
+
 	if dockerRegistryMirror != "" && dockerdInRunner {
 		runnerContainer.Env = append(runnerContainer.Env, []corev1.EnvVar{
 			{
@@ -958,6 +1015,7 @@ func newRunnerPod(template corev1.Pod, runnerSpec v1alpha1.RunnerConfig, default
 				},
 			},
 		)
+
 		runnerContainer.VolumeMounts = append(runnerContainer.VolumeMounts,
 			corev1.VolumeMount{
 				Name:      "work",
@@ -969,6 +1027,7 @@ func newRunnerPod(template corev1.Pod, runnerSpec v1alpha1.RunnerConfig, default
 				ReadOnly:  true,
 			},
 		)
+
 		runnerContainer.Env = append(runnerContainer.Env, []corev1.EnvVar{
 			{
 				Name:  "DOCKER_HOST",
@@ -987,10 +1046,6 @@ func newRunnerPod(template corev1.Pod, runnerSpec v1alpha1.RunnerConfig, default
 		// Determine the volume mounts assigned to the docker sidecar. In case extra mounts are included in the RunnerSpec, append them to the standard
 		// set of mounts. See https://github.com/actions-runner-controller/actions-runner-controller/issues/435 for context.
 		dockerVolumeMounts := []corev1.VolumeMount{
-			{
-				Name:      "work",
-				MountPath: workDir,
-			},
 			{
 				Name:      runnerVolumeName,
 				MountPath: runnerVolumeMountPath,
@@ -1001,6 +1056,14 @@ func newRunnerPod(template corev1.Pod, runnerSpec v1alpha1.RunnerConfig, default
 			},
 		}
 
+		mountPresent, _ := workVolumeMountPresent(dockerdContainer.VolumeMounts)
+		if !mountPresent {
+			dockerVolumeMounts = append(dockerVolumeMounts, corev1.VolumeMount{
+				Name:      "work",
+				MountPath: workDir,
+			})
+		}
+
 		if dockerdContainer.Image == "" {
 			dockerdContainer.Image = defaultDockerImage
 		}
@@ -1106,3 +1169,21 @@ func removeFinalizer(finalizers []string, finalizerName string) ([]string, bool)
 
 	return result, removed
 }
+
+func workVolumePresent(items []corev1.Volume) (bool, int) {
+	for index, item := range items {
+		if item.Name == "work" {
+			return true, index
+		}
+	}
+	return false, 0
+}
+
+func workVolumeMountPresent(items []corev1.VolumeMount) (bool, int) {
+	for index, item := range items {
+		if item.Name == "work" {
+			return true, index
+		}
+	}
+	return false, 0
+}

controllers/runner_pod_controller.go

@@ -22,10 +22,10 @@ import (
 	"fmt"
 	"time"
 
-	gogithub "github.com/google/go-github/v37/github"
+	"github.com/go-logr/logr"
+	gogithub "github.com/google/go-github/v39/github"
 	"k8s.io/apimachinery/pkg/util/wait"
 
-	"github.com/go-logr/logr"
 	kerrors "k8s.io/apimachinery/pkg/api/errors"
 	"k8s.io/apimachinery/pkg/runtime"
 	"k8s.io/client-go/tools/record"
@@ -378,42 +378,7 @@ func (r *RunnerPodReconciler) Reconcile(ctx context.Context, req ctrl.Request) (
 }
 
 func (r *RunnerPodReconciler) unregisterRunner(ctx context.Context, enterprise, org, repo, name string) (bool, error) {
-	runners, err := r.GitHubClient.ListRunners(ctx, enterprise, org, repo)
-	if err != nil {
-		return false, err
-	}
-
-	var busy bool
-
-	id := int64(0)
-	for _, runner := range runners {
-		if runner.GetName() == name {
-			// Sometimes a runner can stuck "busy" even though it is already "offline".
-			// Thus removing the condition on status can block the runner pod from being terminated forever.
-			busy = runner.GetBusy()
-			if runner.GetStatus() != "offline" && busy {
-				r.Log.Info("This runner will delay the runner pod deletion and the runner deregistration until it becomes either offline or non-busy", "name", runner.GetName(), "status", runner.GetStatus(), "busy", runner.GetBusy())
-				return false, fmt.Errorf("runner is busy")
-			}
-			id = runner.GetID()
-			break
-		}
-	}
-
-	if id == int64(0) {
-		return false, nil
-	}
-
-	// Sometimes a runner can stuck "busy" even though it is already "offline".
-	// Trying to remove the offline but busy runner can result in errors like the following:
-	//    failed to remove runner: DELETE https://api.github.com/repos/actions-runner-controller/mumoshu-actions-test/actions/runners/47: 422 Bad request - Runner \"example-runnerset-0\" is still running a job\" []
-	if !busy {
-		if err := r.GitHubClient.RemoveRunner(ctx, enterprise, org, repo, id); err != nil {
-			return false, err
-		}
-	}
-
-	return true, nil
+	return unregisterRunner(ctx, r.GitHubClient, enterprise, org, repo, name)
 }
 
 func (r *RunnerPodReconciler) SetupWithManager(mgr ctrl.Manager) error {

controllers/runnerreplicaset_controller.go

@@ -23,9 +23,9 @@ import (
 	"reflect"
 	"time"
 
-	gogithub "github.com/google/go-github/v37/github"
-
 	"github.com/go-logr/logr"
+	gogithub "github.com/google/go-github/v39/github"
+
 	kerrors "k8s.io/apimachinery/pkg/api/errors"
 	"k8s.io/apimachinery/pkg/runtime"
 	"k8s.io/client-go/tools/record"
@@ -117,6 +117,17 @@ func (r *RunnerReplicaSetReconciler) Reconcile(ctx context.Context, req ctrl.Req
 		desired = 1
 	}
 
+	// TODO: remove this registration runner cleanup later (v0.23.0 or v0.24.0)
+	//
+	// We had to have a registration-only runner to support scale-from-zero before.
+	// But since Sep 2021 Actions update on GitHub Cloud and GHES 3.3, it is unneceesary.
+	// See the below issues for more contexts:
+	// https://github.com/actions-runner-controller/actions-runner-controller/issues/516
+	// https://github.com/actions-runner-controller/actions-runner-controller/issues/859
+	//
+	// In the below block, we have a logic to remove existing registration-only runners as unnecessary.
+	// This logic is introduced since actions-runner-controller 0.21.0 and probably last one or two minor releases
+	// so that actions-runner-controller instance in everyone's cluster won't leave dangling registration-only runners.
 	registrationOnlyRunnerNsName := req.NamespacedName
 	registrationOnlyRunnerNsName.Name = registrationOnlyRunnerNameFor(rs.Name)
 	registrationOnlyRunner := v1alpha1.Runner{}
@@ -133,52 +144,11 @@ func (r *RunnerReplicaSetReconciler) Reconcile(ctx context.Context, req ctrl.Req
 		registrationOnlyRunnerExists = true
 	}
 
-	// On scale to zero, we must have fully registered registration-only runner before we start deleting other runners, hence `desired == 0`
-	// On scale from zero, we must retain the registratoin-only runner until one or more other runners get registered, hence `registrationOnlyRunnerExists && available == 0`.
-	// On RunnerReplicaSet creation, it have always 0 replics and no registration-only runner.
-	// In this case We don't need to bother creating a registration-only runner which gets deleted soon after we have 1 or more available repolicas,
-	// hence it's not `available == 0`, but `registrationOnlyRunnerExists && available == 0`.
-	// See https://github.com/actions-runner-controller/actions-runner-controller/issues/516
-	registrationOnlyRunnerNeeded := desired == 0 || (registrationOnlyRunnerExists && current == 0)
+	if registrationOnlyRunnerExists {
+		if err := r.Client.Delete(ctx, &registrationOnlyRunner); err != nil {
+			log.Error(err, "Retrying soon because we failed to delete registration-only runner")
 
-	if registrationOnlyRunnerNeeded {
-		if registrationOnlyRunnerExists {
-			if registrationOnlyRunner.Status.Phase == "" {
-				log.Info("Still waiting for the registration-only runner to be registered")
-
-				return ctrl.Result{}, nil
-			}
-		} else {
-			// A registration-only runner does not exist and is needed, hence create it.
-
-			runnerForScaleFromToZero, err := r.newRunner(rs)
-			if err != nil {
-				return ctrl.Result{}, fmt.Errorf("failed to create runner for scale from/to zero: %v", err)
-			}
-
-			runnerForScaleFromToZero.ObjectMeta.Name = registrationOnlyRunnerNsName.Name
-			runnerForScaleFromToZero.ObjectMeta.GenerateName = ""
-			runnerForScaleFromToZero.ObjectMeta.Labels = nil
-			metav1.SetMetaDataAnnotation(&runnerForScaleFromToZero.ObjectMeta, annotationKeyRegistrationOnly, "true")
-
-			if err := r.Client.Create(ctx, &runnerForScaleFromToZero); err != nil {
-				log.Error(err, "Failed to create runner for scale from/to zero")
-
-				return ctrl.Result{}, err
-			}
-
-			// We can continue to deleting runner pods only after the
-			// registration-only runner gets registered.
-			return ctrl.Result{}, nil
-		}
-	} else {
-		// A registration-only runner exists and is not needed, hence delete it.
-		if registrationOnlyRunnerExists {
-			if err := r.Client.Delete(ctx, &registrationOnlyRunner); err != nil {
-				log.Error(err, "Retrying soon because we failed to delete registration-only runner")
-
-				return ctrl.Result{Requeue: true}, nil
-			}
+			return ctrl.Result{Requeue: true}, nil
 		}
 	}
 

controllers/runnerreplicaset_controller_test.go

@@ -2,7 +2,6 @@ package controllers
 
 import (
 	"context"
-	"fmt"
 	"math/rand"
 	"net/http/httptest"
 	"time"
@@ -257,22 +256,6 @@ var _ = Context("Inside of a new namespace", func() {
 						})
 						Expect(err).ToNot(HaveOccurred())
 
-						var regOnly actionsv1alpha1.Runner
-						if err := k8sClient.Get(ctx, types.NamespacedName{Namespace: ns.Name, Name: registrationOnlyRunnerNameFor(name)}, &regOnly); err != nil {
-							logf.Log.Info(fmt.Sprintf("Failed getting registration-only runner in test: %v", err))
-							return -1
-						} else {
-							updated := regOnly.DeepCopy()
-							updated.Status.Phase = "Completed"
-
-							if err := k8sClient.Status().Patch(ctx, updated, client.MergeFrom(&regOnly)); err != nil {
-								logf.Log.Info(fmt.Sprintf("Failed updating registration-only runner in test: %v", err))
-								return -1
-							}
-
-							runnersList.AddOffline([]actionsv1alpha1.Runner{*updated})
-						}
-
 						if err := k8sClient.List(ctx, &runners, client.InNamespace(ns.Name), client.MatchingLabelsSelector{Selector: selector}); err != nil {
 							logf.Log.Error(err, "list runners")
 							return -1

controllers/runnerset_controller.go

@@ -25,7 +25,6 @@ import (
 	"k8s.io/apimachinery/pkg/api/errors"
 	"k8s.io/apimachinery/pkg/types"
 
-	"github.com/go-logr/logr"
 	"k8s.io/apimachinery/pkg/runtime"
 	"k8s.io/client-go/tools/record"
 	ctrl "sigs.k8s.io/controller-runtime"
@@ -36,6 +35,7 @@ import (
 
 	"github.com/actions-runner-controller/actions-runner-controller/api/v1alpha1"
 	"github.com/actions-runner-controller/actions-runner-controller/controllers/metrics"
+	"github.com/go-logr/logr"
 )
 
 const (
@@ -51,11 +51,12 @@ type RunnerSetReconciler struct {
 	Recorder record.EventRecorder
 	Scheme   *runtime.Scheme
 
-	CommonRunnerLabels   []string
-	GitHubBaseURL        string
-	RunnerImage          string
-	DockerImage          string
-	DockerRegistryMirror string
+	CommonRunnerLabels     []string
+	GitHubBaseURL          string
+	RunnerImage            string
+	RunnerImagePullSecrets []string
+	DockerImage            string
+	DockerRegistryMirror   string
 }
 
 // +kubebuilder:rbac:groups=actions.summerwind.dev,resources=runnersets,verbs=get;list;watch;create;update;patch;delete
@@ -137,8 +138,7 @@ func (r *RunnerSetReconciler) Reconcile(ctx context.Context, req ctrl.Request) (
 			log.Error(err, "Failed to patch statefulset", "reason", errors.ReasonForError(err))
 
 			if errors.IsInvalid(err) {
-				// NOTE: This might not be ideal but deal the forbidden error by recreating the statefulset
-				// Probably we'd better create a registration-only runner to prevent queued jobs from immediately failing.
+				// NOTE: This might not be ideal but is currently required to deal with the forbidden error by recreating the statefulset
 				//
 				// 2021-06-13T07:19:52.760Z        ERROR   actions-runner-controller.runnerset     Failed to patch statefulset
 				// {"runnerset": "default/example-runnerset", "error": "StatefulSet.apps \"example-runnerset\" is invalid: s
@@ -259,7 +259,7 @@ func (r *RunnerSetReconciler) newStatefulSet(runnerSet *v1alpha1.RunnerSet) (*ap
 		Spec:       runnerSetWithOverrides.StatefulSetSpec.Template.Spec,
 	}
 
-	pod, err := newRunnerPod(template, runnerSet.Spec.RunnerConfig, r.RunnerImage, r.DockerImage, r.DockerRegistryMirror, r.GitHubBaseURL, false)
+	pod, err := newRunnerPod(template, runnerSet.Spec.RunnerConfig, r.RunnerImage, r.RunnerImagePullSecrets, r.DockerImage, r.DockerRegistryMirror, r.GitHubBaseURL, false)
 	if err != nil {
 		return nil, err
 	}

controllers/testdata/org_webhook_workflow_job_with_self_hosted_label_payload.json

@@ -0,0 +1,152 @@
+{
+    "action": "queued",
+    "workflow_job": {
+        "id": 1234567890,
+        "run_id": 1234567890,
+        "run_url": "https://api.github.com/repos/MYORG/MYREPO/actions/runs/1234567890",
+        "node_id": "CR_kwDOGCados7e1x2g",
+        "head_sha": "1234567890123456789012345678901234567890",
+        "url": "https://api.github.com/repos/MYORG/MYREPO/actions/jobs/1234567890",
+        "html_url": "https://github.com/MYORG/MYREPO/runs/1234567890",
+        "status": "queued",
+        "conclusion": null,
+        "started_at": "2021-09-28T23:45:29Z",
+        "completed_at": null,
+        "name": "build",
+        "steps": [],
+        "check_run_url": "https://api.github.com/repos/MYORG/MYREPO/check-runs/1234567890",
+        "labels": [
+            "self-hosted",
+            "label1"
+        ]
+    },
+    "repository": {
+        "id": 1234567890,
+        "node_id": "ABCDEFGHIJKLMNOPQRSTUVWXYZ=",
+        "name": "MYREPO",
+        "full_name": "MYORG/MYREPO",
+        "private": true,
+        "owner": {
+            "login": "MYORG",
+            "id": 1234567890,
+            "node_id": "ABCDEFGHIJKLMNOPQRSTUVWXYZ",
+            "avatar_url": "https://avatars.githubusercontent.com/u/1234567890?v=4",
+            "gravatar_id": "",
+            "url": "https://api.github.com/users/MYORG",
+            "html_url": "https://github.com/MYORG",
+            "followers_url": "https://api.github.com/users/MYORG/followers",
+            "following_url": "https://api.github.com/users/MYORG/following{/other_user}",
+            "gists_url": "https://api.github.com/users/MYORG/gists{/gist_id}",
+            "starred_url": "https://api.github.com/users/MYORG/starred{/owner}{/repo}",
+            "subscriptions_url": "https://api.github.com/users/MYORG/subscriptions",
+            "organizations_url": "https://api.github.com/users/MYORG/orgs",
+            "repos_url": "https://api.github.com/users/MYORG/repos",
+            "events_url": "https://api.github.com/users/MYORG/events{/privacy}",
+            "received_events_url": "https://api.github.com/users/MYORG/received_events",
+            "type": "Organization",
+            "site_admin": false
+        },
+        "html_url": "https://github.com/MYORG/MYREPO",
+        "description": "MYREPO",
+        "fork": false,
+        "url": "https://api.github.com/repos/MYORG/MYREPO",
+        "forks_url": "https://api.github.com/repos/MYORG/MYREPO/forks",
+        "keys_url": "https://api.github.com/repos/MYORG/MYREPO/keys{/key_id}",
+        "collaborators_url": "https://api.github.com/repos/MYORG/MYREPO/collaborators{/collaborator}",
+        "teams_url": "https://api.github.com/repos/MYORG/MYREPO/teams",
+        "hooks_url": "https://api.github.com/repos/MYORG/MYREPO/hooks",
+        "issue_events_url": "https://api.github.com/repos/MYORG/MYREPO/issues/events{/number}",
+        "events_url": "https://api.github.com/repos/MYORG/MYREPO/events",
+        "assignees_url": "https://api.github.com/repos/MYORG/MYREPO/assignees{/user}",
+        "branches_url": "https://api.github.com/repos/MYORG/MYREPO/branches{/branch}",
+        "tags_url": "https://api.github.com/repos/MYORG/MYREPO/tags",
+        "blobs_url": "https://api.github.com/repos/MYORG/MYREPO/git/blobs{/sha}",
+        "git_tags_url": "https://api.github.com/repos/MYORG/MYREPO/git/tags{/sha}",
+        "git_refs_url": "https://api.github.com/repos/MYORG/MYREPO/git/refs{/sha}",
+        "trees_url": "https://api.github.com/repos/MYORG/MYREPO/git/trees{/sha}",
+        "statuses_url": "https://api.github.com/repos/MYORG/MYREPO/statuses/{sha}",
+        "languages_url": "https://api.github.com/repos/MYORG/MYREPO/languages",
+        "stargazers_url": "https://api.github.com/repos/MYORG/MYREPO/stargazers",
+        "contributors_url": "https://api.github.com/repos/MYORG/MYREPO/contributors",
+        "subscribers_url": "https://api.github.com/repos/MYORG/MYREPO/subscribers",
+        "subscription_url": "https://api.github.com/repos/MYORG/MYREPO/subscription",
+        "commits_url": "https://api.github.com/repos/MYORG/MYREPO/commits{/sha}",
+        "git_commits_url": "https://api.github.com/repos/MYORG/MYREPO/git/commits{/sha}",
+        "comments_url": "https://api.github.com/repos/MYORG/MYREPO/comments{/number}",
+        "issue_comment_url": "https://api.github.com/repos/MYORG/MYREPO/issues/comments{/number}",
+        "contents_url": "https://api.github.com/repos/MYORG/MYREPO/contents/{+path}",
+        "compare_url": "https://api.github.com/repos/MYORG/MYREPO/compare/{base}...{head}",
+        "merges_url": "https://api.github.com/repos/MYORG/MYREPO/merges",
+        "archive_url": "https://api.github.com/repos/MYORG/MYREPO/{archive_format}{/ref}",
+        "downloads_url": "https://api.github.com/repos/MYORG/MYREPO/downloads",
+        "issues_url": "https://api.github.com/repos/MYORG/MYREPO/issues{/number}",
+        "pulls_url": "https://api.github.com/repos/MYORG/MYREPO/pulls{/number}",
+        "milestones_url": "https://api.github.com/repos/MYORG/MYREPO/milestones{/number}",
+        "notifications_url": "https://api.github.com/repos/MYORG/MYREPO/notifications{?since,all,participating}",
+        "labels_url": "https://api.github.com/repos/MYORG/MYREPO/labels{/name}",
+        "releases_url": "https://api.github.com/repos/MYORG/MYREPO/releases{/id}",
+        "deployments_url": "https://api.github.com/repos/MYORG/MYREPO/deployments",
+        "created_at": "2021-09-10T18:55:38Z",
+        "updated_at": "2021-09-10T18:55:41Z",
+        "pushed_at": "2021-09-28T23:25:26Z",
+        "git_url": "git://github.com/MYORG/MYREPO.git",
+        "ssh_url": "git@github.com:MYORG/MYREPO.git",
+        "clone_url": "https://github.com/MYORG/MYREPO.git",
+        "svn_url": "https://github.com/MYORG/MYREPO",
+        "homepage": null,
+        "size": 121,
+        "stargazers_count": 0,
+        "watchers_count": 0,
+        "language": null,
+        "has_issues": true,
+        "has_projects": true,
+        "has_downloads": true,
+        "has_wiki": true,
+        "has_pages": false,
+        "forks_count": 0,
+        "mirror_url": null,
+        "archived": false,
+        "disabled": false,
+        "open_issues_count": 1,
+        "license": null,
+        "allow_forking": false,
+        "forks": 0,
+        "open_issues": 1,
+        "watchers": 0,
+        "default_branch": "master"
+    },
+    "organization": {
+        "login": "MYORG",
+        "id": 1234567890,
+        "node_id": "ABCDEFGHIJKLMNOPQRSTUVWXYZ",
+        "url": "https://api.github.com/orgs/MYORG",
+        "repos_url": "https://api.github.com/orgs/MYORG/repos",
+        "events_url": "https://api.github.com/orgs/MYORG/events",
+        "hooks_url": "https://api.github.com/orgs/MYORG/hooks",
+        "issues_url": "https://api.github.com/orgs/MYORG/issues",
+        "members_url": "https://api.github.com/orgs/MYORG/members{/member}",
+        "public_members_url": "https://api.github.com/orgs/MYORG/public_members{/member}",
+        "avatar_url": "https://avatars.githubusercontent.com/u/1234567890?v=4",
+        "description": ""
+    },
+    "sender": {
+        "login": "MYNAME",
+        "id": 1234567890,
+        "node_id": "ABCDEFGHIJKLMNOPQRSTUVWXYZ",
+        "avatar_url": "https://avatars.githubusercontent.com/u/1234567890?v=4",
+        "gravatar_id": "",
+        "url": "https://api.github.com/users/MYNAME",
+        "html_url": "https://github.com/MYNAME",
+        "followers_url": "https://api.github.com/users/MYNAME/followers",
+        "following_url": "https://api.github.com/users/MYNAME/following{/other_user}",
+        "gists_url": "https://api.github.com/users/MYNAME/gists{/gist_id}",
+        "starred_url": "https://api.github.com/users/MYNAME/starred{/owner}{/repo}",
+        "subscriptions_url": "https://api.github.com/users/MYNAME/subscriptions",
+        "organizations_url": "https://api.github.com/users/MYNAME/orgs",
+        "repos_url": "https://api.github.com/users/MYNAME/repos",
+        "events_url": "https://api.github.com/users/MYNAME/events{/privacy}",
+        "received_events_url": "https://api.github.com/users/MYNAME/received_events",
+        "type": "User",
+        "site_admin": false
+    }
+}

controllers/unregister.go

@@ -0,0 +1,49 @@
+package controllers
+
+import (
+	"context"
+	"fmt"
+
+	"github.com/actions-runner-controller/actions-runner-controller/github"
+)
+
+// unregisterRunner unregisters the runner from GitHub Actions by name.
+//
+// This function returns:
+// - (true, nil) when it has successfully unregistered the runner.
+// - (false, nil) when the runner has been already unregistered.
+// - (false, err) when it postponed unregistration due to the runner being busy, or it tried to unregister the runner but failed due to
+//   an error returned by GitHub API.
+func unregisterRunner(ctx context.Context, client *github.Client, enterprise, org, repo, name string) (bool, error) {
+	runners, err := client.ListRunners(ctx, enterprise, org, repo)
+	if err != nil {
+		return false, err
+	}
+
+	id := int64(0)
+	for _, runner := range runners {
+		if runner.GetName() == name {
+			// Note that sometimes a runner can stuck "busy" even though it is already "offline".
+			// But we assume that it's not actually offline and still running a job.
+			if runner.GetBusy() {
+				return false, fmt.Errorf("runner is busy")
+			}
+			id = runner.GetID()
+			break
+		}
+	}
+
+	if id == int64(0) {
+		return false, nil
+	}
+
+	// Trying to remove a busy runner can result in errors like the following:
+	//    failed to remove runner: DELETE https://api.github.com/repos/actions-runner-controller/mumoshu-actions-test/actions/runners/47: 422 Bad request - Runner \"example-runnerset-0\" is still running a job\" []
+	//
+	// TODO: Probably we can just remove the runner by ID without seeing if the runner is busy, by treating it as busy when a remove-runner call failed with 422?
+	if err := client.RemoveRunner(ctx, enterprise, org, repo, id); err != nil {
+		return false, err
+	}
+
+	return true, nil
+}

github/fake/runners.go

@@ -8,7 +8,7 @@ import (
 
 	"github.com/actions-runner-controller/actions-runner-controller/api/v1alpha1"
 
-	"github.com/google/go-github/v37/github"
+	"github.com/google/go-github/v39/github"
 	"github.com/gorilla/mux"
 )
 

github/github.go

@@ -12,7 +12,7 @@ import (
 
 	"github.com/actions-runner-controller/actions-runner-controller/github/metrics"
 	"github.com/bradleyfalzon/ghinstallation"
-	"github.com/google/go-github/v37/github"
+	"github.com/google/go-github/v39/github"
 	"golang.org/x/oauth2"
 )
 
@@ -23,6 +23,11 @@ type Config struct {
 	AppInstallationID int64  `split_words:"true"`
 	AppPrivateKey     string `split_words:"true"`
 	Token             string
+	URL               string `split_words:"true"`
+	UploadURL         string `split_words:"true"`
+	BasicauthUsername string `split_words:"true"`
+	BasicauthPassword string `split_words:"true"`
+	RunnerGitHubURL   string `split_words:"true"`
 }
 
 // Client wraps GitHub client with some additional
@@ -34,10 +39,23 @@ type Client struct {
 	GithubBaseURL string
 }
 
+type BasicAuthTransport struct {
+	Username string
+	Password string
+}
+
+func (p BasicAuthTransport) RoundTrip(req *http.Request) (*http.Response, error) {
+	req.SetBasicAuth(p.Username, p.Password)
+	req.Header.Set("User-Agent", "actions-runner-controller")
+	return http.DefaultTransport.RoundTrip(req)
+}
+
 // NewClient creates a Github Client
 func (c *Config) NewClient() (*Client, error) {
 	var transport http.RoundTripper
-	if len(c.Token) > 0 {
+	if len(c.BasicauthUsername) > 0 && len(c.BasicauthPassword) > 0 {
+		transport = BasicAuthTransport{Username: c.BasicauthUsername, Password: c.BasicauthPassword}
+	} else if len(c.Token) > 0 {
 		transport = oauth2.NewClient(context.Background(), oauth2.StaticTokenSource(&oauth2.Token{AccessToken: c.Token})).Transport
 	} else {
 		var tr *ghinstallation.Transport
@@ -63,6 +81,7 @@ func (c *Config) NewClient() (*Client, error) {
 		}
 		transport = tr
 	}
+
 	transport = metrics.Transport{Transport: transport}
 	httpClient := &http.Client{Transport: transport}
 
@@ -78,6 +97,35 @@ func (c *Config) NewClient() (*Client, error) {
 	} else {
 		client = github.NewClient(httpClient)
 		githubBaseURL = "https://github.com/"
+
+		if len(c.URL) > 0 {
+			baseUrl, err := url.Parse(c.URL)
+			if err != nil {
+				return nil, fmt.Errorf("github client creation failed: %v", err)
+			}
+			if !strings.HasSuffix(baseUrl.Path, "/") {
+				baseUrl.Path += "/"
+			}
+			client.BaseURL = baseUrl
+		}
+
+		if len(c.UploadURL) > 0 {
+			uploadUrl, err := url.Parse(c.UploadURL)
+			if err != nil {
+				return nil, fmt.Errorf("github client creation failed: %v", err)
+			}
+			if !strings.HasSuffix(uploadUrl.Path, "/") {
+				uploadUrl.Path += "/"
+			}
+			client.UploadURL = uploadUrl
+		}
+
+		if len(c.RunnerGitHubURL) > 0 {
+			githubBaseURL = c.RunnerGitHubURL
+			if !strings.HasSuffix(githubBaseURL, "/") {
+				githubBaseURL += "/"
+			}
+		}
 	}
 
 	return &Client{
@@ -103,7 +151,7 @@ func (c *Client) GetRegistrationToken(ctx context.Context, enterprise, org, repo
 		return rt, nil
 	}
 
-	enterprise, owner, repo, err := getEnterpriseOrganisationAndRepo(enterprise, org, repo)
+	enterprise, owner, repo, err := getEnterpriseOrganizationAndRepo(enterprise, org, repo)
 
 	if err != nil {
 		return rt, err
@@ -129,7 +177,7 @@ func (c *Client) GetRegistrationToken(ctx context.Context, enterprise, org, repo
 
 // RemoveRunner removes a runner with specified runner ID from repository.
 func (c *Client) RemoveRunner(ctx context.Context, enterprise, org, repo string, runnerID int64) error {
-	enterprise, owner, repo, err := getEnterpriseOrganisationAndRepo(enterprise, org, repo)
+	enterprise, owner, repo, err := getEnterpriseOrganizationAndRepo(enterprise, org, repo)
 
 	if err != nil {
 		return err
@@ -150,7 +198,7 @@ func (c *Client) RemoveRunner(ctx context.Context, enterprise, org, repo string,
 
 // ListRunners returns a list of runners of specified owner/repository name.
 func (c *Client) ListRunners(ctx context.Context, enterprise, org, repo string) ([]*github.Runner, error) {
-	enterprise, owner, repo, err := getEnterpriseOrganisationAndRepo(enterprise, org, repo)
+	enterprise, owner, repo, err := getEnterpriseOrganizationAndRepo(enterprise, org, repo)
 
 	if err != nil {
 		return nil, err
@@ -176,6 +224,49 @@ func (c *Client) ListRunners(ctx context.Context, enterprise, org, repo string)
 	return runners, nil
 }
 
+// ListOrganizationRunnerGroups returns all the runner groups defined in the organization and
+// inherited to the organization from an enterprise.
+func (c *Client) ListOrganizationRunnerGroups(ctx context.Context, org string) ([]*github.RunnerGroup, error) {
+	var runnerGroups []*github.RunnerGroup
+
+	opts := github.ListOptions{PerPage: 100}
+	for {
+		list, res, err := c.Client.Actions.ListOrganizationRunnerGroups(ctx, org, &opts)
+		if err != nil {
+			return runnerGroups, fmt.Errorf("failed to list organization runner groups: %w", err)
+		}
+
+		runnerGroups = append(runnerGroups, list.RunnerGroups...)
+		if res.NextPage == 0 {
+			break
+		}
+		opts.Page = res.NextPage
+	}
+
+	return runnerGroups, nil
+}
+
+func (c *Client) ListRunnerGroupRepositoryAccesses(ctx context.Context, org string, runnerGroupId int64) ([]*github.Repository, error) {
+	var repos []*github.Repository
+
+	opts := github.ListOptions{PerPage: 100}
+	for {
+		list, res, err := c.Client.Actions.ListRepositoryAccessRunnerGroup(ctx, org, runnerGroupId, &opts)
+		if err != nil {
+			return nil, fmt.Errorf("failed to list repository access for runner group: %w", err)
+		}
+
+		repos = append(repos, list.Repositories...)
+		if res.NextPage == 0 {
+			break
+		}
+
+		opts.Page = res.NextPage
+	}
+
+	return repos, nil
+}
+
 // cleanup removes expired registration tokens.
 func (c *Client) cleanup() {
 	c.mu.Lock()
@@ -267,8 +358,8 @@ func (c *Client) listRepositoryWorkflowRuns(ctx context.Context, user string, re
 	return workflowRuns, nil
 }
 
-// Validates enterprise, organisation and repo arguments. Both are optional, but at least one should be specified
-func getEnterpriseOrganisationAndRepo(enterprise, org, repo string) (string, string, string, error) {
+// Validates enterprise, organization and repo arguments. Both are optional, but at least one should be specified
+func getEnterpriseOrganizationAndRepo(enterprise, org, repo string) (string, string, string, error) {
 	if len(repo) > 0 {
 		owner, repository, err := splitOwnerAndRepo(repo)
 		return "", owner, repository, err
@@ -337,7 +428,7 @@ func (r *Client) IsRunnerBusy(ctx context.Context, enterprise, org, repo, name s
 	for _, runner := range runners {
 		if runner.GetName() == name {
 			if runner.GetStatus() == "offline" {
-				return false, &RunnerOffline{runnerName: name}
+				return runner.GetBusy(), &RunnerOffline{runnerName: name}
 			}
 			return runner.GetBusy(), nil
 		}

github/github_test.go

@@ -8,7 +8,7 @@ import (
 	"time"
 
 	"github.com/actions-runner-controller/actions-runner-controller/github/fake"
-	"github.com/google/go-github/v37/github"
+	"github.com/google/go-github/v39/github"
 )
 
 var server *httptest.Server

go.mod

@@ -1,27 +1,77 @@
 module github.com/actions-runner-controller/actions-runner-controller
 
-go 1.15
+go 1.17
 
 require (
 	github.com/bradleyfalzon/ghinstallation v1.1.1
 	github.com/davecgh/go-spew v1.1.1
-	github.com/go-logr/logr v0.4.0
-	github.com/google/go-cmp v0.5.6
-	github.com/google/go-github/v37 v37.0.0
+	github.com/go-logr/logr v1.2.0
+	github.com/google/go-cmp v0.5.7
+	github.com/google/go-github/v39 v39.2.0
 	github.com/gorilla/mux v1.8.0
 	github.com/kelseyhightower/envconfig v1.4.0
-	github.com/onsi/ginkgo v1.16.4
-	github.com/onsi/gomega v1.13.0
+	github.com/onsi/ginkgo v1.16.5
+	github.com/onsi/gomega v1.17.0
 	github.com/prometheus/client_golang v1.11.0
-	github.com/teambition/rrule-go v1.6.2
-	go.uber.org/zap v1.19.0
-	golang.org/x/oauth2 v0.0.0-20210819190943-2bc19b11175f
+	github.com/stretchr/testify v1.7.0
+	github.com/teambition/rrule-go v1.7.2
+	go.uber.org/zap v1.20.0
+	golang.org/x/oauth2 v0.0.0-20211104180415-d3ed0bb246c8
 	gomodules.xyz/jsonpatch/v2 v2.2.0
-	k8s.io/api v0.21.1
-	k8s.io/apimachinery v0.21.1
-	k8s.io/client-go v0.21.1
-	sigs.k8s.io/controller-runtime v0.9.0
-	sigs.k8s.io/yaml v1.2.0
+	k8s.io/api v0.23.0
+	k8s.io/apimachinery v0.23.0
+	k8s.io/client-go v0.23.0
+	sigs.k8s.io/controller-runtime v0.11.0
+	sigs.k8s.io/yaml v1.3.0
 )
 
-replace github.com/google/go-github/v37 => github.com/mumoshu/go-github/v37 v37.0.100
+require (
+	cloud.google.com/go v0.81.0 // indirect
+	github.com/beorn7/perks v1.0.1 // indirect
+	github.com/cespare/xxhash/v2 v2.1.1 // indirect
+	github.com/dgrijalva/jwt-go v3.2.0+incompatible // indirect
+	github.com/evanphx/json-patch v4.12.0+incompatible // indirect
+	github.com/fsnotify/fsnotify v1.5.1 // indirect
+	github.com/go-logr/zapr v1.2.0 // indirect
+	github.com/gogo/protobuf v1.3.2 // indirect
+	github.com/golang/groupcache v0.0.0-20210331224755-41bb18bfe9da // indirect
+	github.com/golang/protobuf v1.5.2 // indirect
+	github.com/google/go-github/v29 v29.0.2 // indirect
+	github.com/google/go-querystring v1.1.0 // indirect
+	github.com/google/gofuzz v1.1.0 // indirect
+	github.com/google/uuid v1.1.2 // indirect
+	github.com/googleapis/gnostic v0.5.5 // indirect
+	github.com/imdario/mergo v0.3.12 // indirect
+	github.com/json-iterator/go v1.1.12 // indirect
+	github.com/matttproud/golang_protobuf_extensions v1.0.2-0.20181231171920-c182affec369 // indirect
+	github.com/modern-go/concurrent v0.0.0-20180306012644-bacd9c7ef1dd // indirect
+	github.com/modern-go/reflect2 v1.0.2 // indirect
+	github.com/nxadm/tail v1.4.8 // indirect
+	github.com/pkg/errors v0.9.1 // indirect
+	github.com/pmezard/go-difflib v1.0.0 // indirect
+	github.com/prometheus/client_model v0.2.0 // indirect
+	github.com/prometheus/common v0.28.0 // indirect
+	github.com/prometheus/procfs v0.6.0 // indirect
+	github.com/spf13/pflag v1.0.5 // indirect
+	go.uber.org/atomic v1.7.0 // indirect
+	go.uber.org/multierr v1.6.0 // indirect
+	golang.org/x/crypto v0.0.0-20210817164053-32db794688a5 // indirect
+	golang.org/x/net v0.0.0-20210825183410-e898025ed96a // indirect
+	golang.org/x/sys v0.0.0-20211029165221-6e7872819dc8 // indirect
+	golang.org/x/term v0.0.0-20210615171337-6886f2dfbf5b // indirect
+	golang.org/x/text v0.3.7 // indirect
+	golang.org/x/time v0.0.0-20210723032227-1f47c861a9ac // indirect
+	google.golang.org/appengine v1.6.7 // indirect
+	google.golang.org/protobuf v1.27.1 // indirect
+	gopkg.in/inf.v0 v0.9.1 // indirect
+	gopkg.in/tomb.v1 v1.0.0-20141024135613-dd632973f1e7 // indirect
+	gopkg.in/yaml.v2 v2.4.0 // indirect
+	gopkg.in/yaml.v3 v3.0.0-20210107192922-496545a6307b // indirect
+	k8s.io/apiextensions-apiserver v0.23.0 // indirect
+	k8s.io/component-base v0.23.0 // indirect
+	k8s.io/klog/v2 v2.30.0 // indirect
+	k8s.io/kube-openapi v0.0.0-20211115234752-e816edb12b65 // indirect
+	k8s.io/utils v0.0.0-20210930125809-cb0fa318a74b // indirect
+	sigs.k8s.io/json v0.0.0-20211020170558-c049b76a60c6 // indirect
+	sigs.k8s.io/structured-merge-diff/v4 v4.2.0 // indirect
+)

go.sum

@@ -8,13 +8,17 @@ cloud.google.com/go v0.46.3/go.mod h1:a6bKKbmY7er1mI7TEI4lsAkts/mkhTSZK8w33B4RAg
 cloud.google.com/go v0.50.0/go.mod h1:r9sluTvynVuxRIOHXQEHMFffphuXHOMZMycpNR5e6To=
 cloud.google.com/go v0.52.0/go.mod h1:pXajvRH/6o3+F9jDHZWQ5PbGhn+o8w9qiu/CffaVdO4=
 cloud.google.com/go v0.53.0/go.mod h1:fp/UouUEsRkN6ryDKNW/Upv/JBKnv6WDthjR6+vze6M=
-cloud.google.com/go v0.54.0 h1:3ithwDMr7/3vpAMXiH+ZQnYbuIsh+OPhUPMFC9enmn0=
 cloud.google.com/go v0.54.0/go.mod h1:1rq2OEkV3YMf6n/9ZvGWI3GWw0VoqH/1x2nd8Is/bPc=
 cloud.google.com/go v0.56.0/go.mod h1:jr7tqZxxKOVYizybht9+26Z/gUq7tiRzu+ACVAMbKVk=
 cloud.google.com/go v0.57.0/go.mod h1:oXiQ6Rzq3RAkkY7N6t3TcE6jE+CIBBbA36lwQ1JyzZs=
 cloud.google.com/go v0.62.0/go.mod h1:jmCYTdRCQuc1PHIIJ/maLInMho30T/Y0M4hTdTShOYc=
-cloud.google.com/go v0.65.0 h1:Dg9iHVQfrhq82rUNu9ZxUDrJLaxFUe/HlCVaLyRruq8=
 cloud.google.com/go v0.65.0/go.mod h1:O5N8zS7uWy9vkA9vayVHs65eM1ubvY4h553ofrNHObY=
+cloud.google.com/go v0.72.0/go.mod h1:M+5Vjvlc2wnp6tjzE102Dw08nGShTscUx2nZMufOKPI=
+cloud.google.com/go v0.74.0/go.mod h1:VV1xSbzvo+9QJOxLDaJfTjx5e+MePCpCWwvftOeQmWk=
+cloud.google.com/go v0.78.0/go.mod h1:QjdrLG0uq+YwhjoVOLsS1t7TW8fs36kLs4XO5R5ECHg=
+cloud.google.com/go v0.79.0/go.mod h1:3bzgcEeQlzbuEAYu4mrWhKqWjmpprinYgKJLgKHnbb8=
+cloud.google.com/go v0.81.0 h1:at8Tk2zUz63cLPR0JPWm5vp77pEZmzxEQBEfRKn1VV8=
+cloud.google.com/go v0.81.0/go.mod h1:mk/AM35KwGk/Nm2YSeZbxXdrNK3KZOYHmLkOqC2V6E0=
 cloud.google.com/go/bigquery v1.0.1/go.mod h1:i/xbL2UlR5RvWAURpBYZTtm/cXjCha9lbfbpx4poX+o=
 cloud.google.com/go/bigquery v1.3.0/go.mod h1:PjpwJnslEMmckchkHFfq+HTD2DmtT67aNFKH1/VBDHE=
 cloud.google.com/go/bigquery v1.4.0/go.mod h1:S8dzgnTigyfTmLBfrtrhyYhwRxG72rYxvftPBK2Dvzc=
@@ -34,13 +38,14 @@ cloud.google.com/go/storage v1.6.0/go.mod h1:N7U0C8pVQ/+NIKOBQyamJIeKQKkZ+mxpohl
 cloud.google.com/go/storage v1.8.0/go.mod h1:Wv1Oy7z6Yz3DshWRJFhqM/UCfaWIRTdp0RXyy7KQOVs=
 cloud.google.com/go/storage v1.10.0/go.mod h1:FLPqc6j+Ki4BU591ie1oL6qBQGu2Bl/tZ9ullr3+Kg0=
 dmitri.shuralyov.com/gpu/mtl v0.0.0-20190408044501-666a987793e9/go.mod h1:H6x//7gZCb22OMCxBHrMx7a5I7Hp++hsVxbQ4BYO7hU=
-github.com/Azure/go-ansiterm v0.0.0-20170929234023-d6e3b3328b78/go.mod h1:LmzpDX56iTiv29bbRTIsUNlaFfuhWRQBWjQdVyAevI8=
+github.com/Azure/go-ansiterm v0.0.0-20210608223527-2377c96fe795/go.mod h1:LmzpDX56iTiv29bbRTIsUNlaFfuhWRQBWjQdVyAevI8=
+github.com/Azure/go-ansiterm v0.0.0-20210617225240-d185dfc1b5a1/go.mod h1:xomTg63KZ2rFqZQzSB4Vz2SUXa1BpHTVz9L5PTmPC4E=
 github.com/Azure/go-autorest v14.2.0+incompatible/go.mod h1:r+4oMnoxhatjLLJ6zxSWATqVooLgysK6ZNox3g/xq24=
-github.com/Azure/go-autorest/autorest v0.11.12/go.mod h1:eipySxLmqSyC5s5k1CLupqet0PSENBEDP93LQ9a8QYw=
-github.com/Azure/go-autorest/autorest/adal v0.9.5/go.mod h1:B7KF7jKIeC9Mct5spmyCB/A8CG/sEz1vwIRGv/bbw7A=
+github.com/Azure/go-autorest/autorest v0.11.18/go.mod h1:dSiJPy22c3u0OtOKDNttNgqpNFY/GeWa7GH/Pz56QRA=
+github.com/Azure/go-autorest/autorest/adal v0.9.13/go.mod h1:W/MM4U6nLxnIskrw4UwWzlHfGjwUS50aOsc/I3yuU8M=
 github.com/Azure/go-autorest/autorest/date v0.3.0/go.mod h1:BI0uouVdmngYNUzGWeSYnokU+TrmwEsOqdt8Y6sso74=
 github.com/Azure/go-autorest/autorest/mocks v0.4.1/go.mod h1:LTp+uSrOhSkaKrUy935gNZuuIPPVsHlr9DSOxSayd+k=
-github.com/Azure/go-autorest/logger v0.2.0/go.mod h1:T9E3cAhj2VqvPOtCYAvby9aBXkZmbF5NWuPV8+WeEW8=
+github.com/Azure/go-autorest/logger v0.2.1/go.mod h1:T9E3cAhj2VqvPOtCYAvby9aBXkZmbF5NWuPV8+WeEW8=
 github.com/Azure/go-autorest/tracing v0.6.0/go.mod h1:+vhtPC754Xsa23ID7GlGsrdKBpUA79WCAKPPZVC2DeU=
 github.com/BurntSushi/toml v0.3.1/go.mod h1:xHWCNGjB5oqiDr8zfno3MHue2Ht5sIBksp03qcyfWMU=
 github.com/BurntSushi/xgb v0.0.0-20160522181843-27f122750802/go.mod h1:IVnqGOEym/WlBOVXweHU+Q+/VP0lqqI8lqeDx9IjBqo=
@@ -54,10 +59,14 @@ github.com/alecthomas/template v0.0.0-20190718012654-fb15b899a751/go.mod h1:LOuy
 github.com/alecthomas/units v0.0.0-20151022065526-2efee857e7cf/go.mod h1:ybxpYRFXyAe+OPACYpWeL0wqObRcbAqCMya13uyzqw0=
 github.com/alecthomas/units v0.0.0-20190717042225-c3de453c63f4/go.mod h1:ybxpYRFXyAe+OPACYpWeL0wqObRcbAqCMya13uyzqw0=
 github.com/alecthomas/units v0.0.0-20190924025748-f65c72e2690d/go.mod h1:rBZYJk541a8SKzHPHnH3zbiI+7dagKZ0cgpgrD7Fyho=
+github.com/antihax/optional v1.0.0/go.mod h1:uupD/76wgC+ih3iEmQUL+0Ugr19nfwCT1kdvxnR2qWY=
+github.com/antlr/antlr4/runtime/Go/antlr v0.0.0-20210826220005-b48c857c3a0e/go.mod h1:F7bn7fEU90QkQ3tnmaTx3LTKLEDqnwWODIYppRQ5hnY=
 github.com/armon/circbuf v0.0.0-20150827004946-bbbad097214e/go.mod h1:3U/XgcO3hCbHZ8TKRvWD2dDTCfh9M9ya+I9JpbB7O8o=
 github.com/armon/go-metrics v0.0.0-20180917152333-f0300d1749da/go.mod h1:Q73ZrmVTwzkszR9V5SSuryQ31EELlFMUz1kKyl939pY=
 github.com/armon/go-radix v0.0.0-20180808171621-7fddfc383310/go.mod h1:ufUuZ+zHj4x4TnLV4JWEpy2hxWSpsRywHrMgIH9cCH8=
 github.com/asaskevich/govalidator v0.0.0-20190424111038-f61b66f89f4a/go.mod h1:lB+ZfQJz7igIIfQNfa7Ml4HSf2uFQQRzpGGRXenZAgY=
+github.com/benbjohnson/clock v1.0.3/go.mod h1:bGMdMPoPVvcYyt1gHDf4J2KE153Yf9BuiUKYMaxlTDM=
+github.com/benbjohnson/clock v1.1.0 h1:Q92kusRqC1XV2MjkWETPvjJVqKetz1OzxZB7mHJLju8=
 github.com/benbjohnson/clock v1.1.0/go.mod h1:J11/hYXuz8f4ySSvYwY0FKfm+ezbsZBKZxNJlLklBHA=
 github.com/beorn7/perks v0.0.0-20180321164747-3a771d992973/go.mod h1:Dwedo/Wpr24TaqPxmxbtue+5NUziq4I4S80YR8gNf3Q=
 github.com/beorn7/perks v1.0.0/go.mod h1:KWe93zE9D1o94FZ5RNwFwVgaQK1VOXiVxmqh+CedLV8=
@@ -65,10 +74,13 @@ github.com/beorn7/perks v1.0.1 h1:VlbKKnNfV8bJzeqoa4cOKqO6bYr3WgKZxO8Z16+hsOM=
 github.com/beorn7/perks v1.0.1/go.mod h1:G2ZrVWU2WbWT9wwq4/hrbKbnv/1ERSJQ0ibhJ6rlkpw=
 github.com/bgentry/speakeasy v0.1.0/go.mod h1:+zsyZBPWlz7T6j88CTgSN5bM796AkVf0kBD4zp0CCIs=
 github.com/bketelsen/crypt v0.0.3-0.20200106085610-5cbc8cc4026c/go.mod h1:MKsuJmJgSg28kpZDP6UIiPt0e0Oz0kqKNGyRaWEPv84=
+github.com/bketelsen/crypt v0.0.4/go.mod h1:aI6NrJ0pMGgvZKL1iVgXLnfIFJtfV+bKCoqOes/6LfM=
 github.com/blang/semver v3.5.1+incompatible/go.mod h1:kRBLl5iJ+tD4TcOOxsy/0fnwebNt5EWlYSAyrTnjyyk=
 github.com/bradleyfalzon/ghinstallation v1.1.1 h1:pmBXkxgM1WeF8QYvDLT5kuQiHMcmf+X015GI0KM/E3I=
 github.com/bradleyfalzon/ghinstallation v1.1.1/go.mod h1:vyCmHTciHx/uuyN82Zc3rXN3X2KTK8nUTCrTMwAhcug=
 github.com/census-instrumentation/opencensus-proto v0.2.1/go.mod h1:f6KPmirojxKA12rnyqOA5BBL4O983OfeGPqjHWSTneU=
+github.com/certifi/gocertifi v0.0.0-20191021191039-0944d244cd40/go.mod h1:sGbDF6GwGcLpkNXPUTkMRoywsNa/ol15pxFe6ERfguA=
+github.com/certifi/gocertifi v0.0.0-20200922220541-2c3bb06c6054/go.mod h1:sGbDF6GwGcLpkNXPUTkMRoywsNa/ol15pxFe6ERfguA=
 github.com/cespare/xxhash v1.1.0 h1:a6HrQnmkObjyL+Gs60czilIUGqrzKutQD6XZog3p+ko=
 github.com/cespare/xxhash v1.1.0/go.mod h1:XrSqR1VqqWfGrhpAt58auRo0WTKS1nRRg3ghfAqPWnc=
 github.com/cespare/xxhash/v2 v2.1.1 h1:6MnRN8NT7+YBpUIWxHtefFZOKTAPgGjpQSxqLNn0+qY=
@@ -78,18 +90,20 @@ github.com/chzyer/readline v0.0.0-20180603132655-2972be24d48e/go.mod h1:nSuG5e5P
 github.com/chzyer/test v0.0.0-20180213035817-a1ea475d72b1/go.mod h1:Q3SI9o4m/ZMnBNeIyt5eFwwo7qiLfzFZmjNmxjkiQlU=
 github.com/client9/misspell v0.3.4/go.mod h1:qj6jICC3Q7zFZvVWo7KLAzC3yx5G7kyvSDkc90ppPyw=
 github.com/cncf/udpa/go v0.0.0-20191209042840-269d4d468f6f/go.mod h1:M8M6+tZqaGXZJjfX53e64911xZQV5JYwmTeXPW+k8Sc=
-github.com/cockroachdb/datadriven v0.0.0-20190809214429-80d97fb3cbaa/go.mod h1:zn76sxSg3SzpJ0PPJaLDCu+Bu0Lg3sKTORVIj19EIF8=
+github.com/cncf/udpa/go v0.0.0-20200629203442-efcf912fb354/go.mod h1:WmhPx2Nbnhtbo57+VJT5O0JRkEi1Wbu0z5j0R8u5Hbk=
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@@ -99,7 +113,6 @@ github.com/dgrijalva/jwt-go v3.2.0+incompatible h1:7qlOGliEKZXTDg6OTjfoBKDXWrumC
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@@ -107,16 +120,24 @@ github.com/emicklei/go-restful v2.9.5+incompatible/go.mod h1:otzb+WCGbkyDHkqmQmT
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@@ -129,31 +150,32 @@ github.com/go-logfmt/logfmt v0.4.0/go.mod h1:3RMwSq7FuexP4Kalkev3ejPJsZTpXXBr9+V
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@@ -161,6 +183,7 @@ github.com/golang/mock v1.4.0/go.mod h1:UOMv5ysSaYNkG+OFQykRIcU/QvvxJf3p21QfJ2Bt
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@@ -176,10 +199,14 @@ github.com/golang/protobuf v1.4.1/go.mod h1:U8fpvMrcmy5pZrNK1lt4xCsGvpyWQ/VVv6QD
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@@ -188,21 +215,26 @@ github.com/google/go-cmp v0.4.1/go.mod h1:v8dTdLbMG2kIc/vJvl+f65V22dbkXbowE6jgT/
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@@ -246,8 +279,6 @@ github.com/hashicorp/go-uuid v1.0.1/go.mod h1:6SBZvOh/SIDV7/2o3Jml5SYk/TvGqwFJ/b
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@@ -481,8 +543,9 @@ golang.org/x/lint v0.0.0-20190909230951-414d861bb4ac/go.mod h1:6SW0HCj/g11FgYtHl
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@@ -491,8 +554,9 @@ golang.org/x/mod v0.1.1-0.20191105210325-c90efee705ee/go.mod h1:QqPTAvyqsEbceGzB
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@@ -511,7 +575,6 @@ golang.org/x/net v0.0.0-20190613194153-d28f0bde5980/go.mod h1:z5CRVTTTmAJ677TzLL
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@@ -529,17 +592,35 @@ golang.org/x/net v0.0.0-20200625001655-4c5254603344/go.mod h1:/O7V0waA8r7cgGh81R
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@@ -564,10 +646,8 @@ golang.org/x/sys v0.0.0-20190422165155-953cdadca894/go.mod h1:h1NjWce9XRLGQEsW7w
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@@ -667,10 +766,17 @@ golang.org/x/tools v0.0.0-20200619180055-7c47624df98f/go.mod h1:EkVYQZoAsY45+roY
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@@ -694,6 +800,12 @@ google.golang.org/api v0.24.0/go.mod h1:lIXQywCXRcnZPGlsd8NbLnOjtAoL6em04bJ9+z0M
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@@ -723,16 +835,30 @@ google.golang.org/genproto v0.0.0-20200228133532-8c2c7df3a383/go.mod h1:55QSHmfG
 google.golang.org/genproto v0.0.0-20200305110556-506484158171/go.mod h1:55QSHmfGQM9UVYDPBsyGGes0y52j32PQ3BqQfXhyH3c=
 google.golang.org/genproto v0.0.0-20200312145019-da6875a35672/go.mod h1:55QSHmfGQM9UVYDPBsyGGes0y52j32PQ3BqQfXhyH3c=
 google.golang.org/genproto v0.0.0-20200331122359-1ee6d9798940/go.mod h1:55QSHmfGQM9UVYDPBsyGGes0y52j32PQ3BqQfXhyH3c=
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 google.golang.org/genproto v0.0.0-20200430143042-b979b6f78d84/go.mod h1:55QSHmfGQM9UVYDPBsyGGes0y52j32PQ3BqQfXhyH3c=
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@@ -745,6 +871,16 @@ google.golang.org/grpc v1.28.0/go.mod h1:rpkK4SK4GF4Ach/+MFLZUBavHOvF2JJB5uozKKa
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@@ -756,20 +892,21 @@ google.golang.org/protobuf v1.23.1-0.20200526195155-81db48ad09cc/go.mod h1:EGpAD
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@@ -778,6 +915,7 @@ gopkg.in/tomb.v1 v1.0.0-20141024135613-dd632973f1e7/go.mod h1:dt/ZhP58zS4L8KSrWD
 gopkg.in/yaml.v2 v2.0.0-20170812160011-eb3733d160e7/go.mod h1:JAlM8MvJe8wmxCU4Bli9HhUf9+ttbYbLASfIpnQbh74=
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@@ -797,38 +935,40 @@ honnef.co/go/tools v0.0.0-20190523083050-ea95bdfd59fc/go.mod h1:rf3lG4BRIbNafJWh
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 k8s.io/klog/v2 v2.0.0/go.mod h1:PBfzABfn139FHAV07az/IF9Wp1bkk3vpT2XSJ76fSDE=
 k8s.io/klog/v2 v2.2.0/go.mod h1:Od+F08eJP+W3HUb4pSrPpgp9DGU4GzlpG/TmITuYh/Y=
-k8s.io/klog/v2 v2.8.0 h1:Q3gmuM9hKEjefWFFYF0Mat+YyFJvsUyYuwyNNJ5C9Ts=
-k8s.io/klog/v2 v2.8.0/go.mod h1:hy9LJ/NvuK+iVyP4Ehqva4HxZG/oXyIS3n3Jmire4Ec=
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 rsc.io/quote/v3 v3.1.0/go.mod h1:yEA65RcK8LyAZtP9Kv3t0HmxON59tX3rD+tICJqUlj0=
 rsc.io/sampler v1.3.0/go.mod h1:T1hPZKmBbMNahiBKFy5HrXp6adAjACjK9JXDnKaTXpA=
-sigs.k8s.io/apiserver-network-proxy/konnectivity-client v0.0.15/go.mod h1:LEScyzhFmoF5pso/YSeBstl57mOzx9xlU9n85RGrDQg=
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-sigs.k8s.io/controller-runtime v0.9.0/go.mod h1:TgkfvrhhEw3PlI0BRL/5xM+89y3/yc0ZDfdbTl84si8=
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-sigs.k8s.io/yaml v1.1.0/go.mod h1:UJmg0vDUVViEyp3mgSv9WPwZCDxu4rQW1olrI1uml+o=
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+sigs.k8s.io/yaml v1.3.0/go.mod h1:GeOyir5tyXNByN85N/dRIT9es5UQNerPYEKK56eTBm8=

main.go

@@ -58,6 +58,17 @@ func init() {
 	// +kubebuilder:scaffold:scheme
 }
 
+type stringSlice []string
+
+func (i *stringSlice) String() string {
+	return fmt.Sprintf("%v", *i)
+}
+
+func (i *stringSlice) Set(value string) error {
+	*i = append(*i, value)
+	return nil
+}
+
 func main() {
 	var (
 		err      error
@@ -70,7 +81,9 @@ func main() {
 
 		gitHubAPICacheDuration time.Duration
 
-		runnerImage          string
+		runnerImage            string
+		runnerImagePullSecrets stringSlice
+
 		dockerImage          string
 		dockerRegistryMirror string
 		namespace            string
@@ -92,11 +105,17 @@ func main() {
 	flag.StringVar(&leaderElectionId, "leader-election-id", "actions-runner-controller", "Controller id for leader election.")
 	flag.StringVar(&runnerImage, "runner-image", defaultRunnerImage, "The image name of self-hosted runner container.")
 	flag.StringVar(&dockerImage, "docker-image", defaultDockerImage, "The image name of docker sidecar container.")
+	flag.Var(&runnerImagePullSecrets, "runner-image-pull-secret", "The default image-pull secret name for self-hosted runner container.")
 	flag.StringVar(&dockerRegistryMirror, "docker-registry-mirror", "", "The default Docker Registry Mirror used by runners.")
 	flag.StringVar(&c.Token, "github-token", c.Token, "The personal access token of GitHub.")
 	flag.Int64Var(&c.AppID, "github-app-id", c.AppID, "The application ID of GitHub App.")
 	flag.Int64Var(&c.AppInstallationID, "github-app-installation-id", c.AppInstallationID, "The installation ID of GitHub App.")
 	flag.StringVar(&c.AppPrivateKey, "github-app-private-key", c.AppPrivateKey, "The path of a private key file to authenticate as a GitHub App")
+	flag.StringVar(&c.URL, "github-url", c.URL, "GitHub URL to be used for GitHub API calls")
+	flag.StringVar(&c.UploadURL, "github-upload-url", c.UploadURL, "GitHub Upload URL to be used for GitHub API calls")
+	flag.StringVar(&c.BasicauthUsername, "github-basicauth-username", c.BasicauthUsername, "Username for GitHub basic auth to use instead of PAT or GitHub APP in case it's running behind a proxy API")
+	flag.StringVar(&c.BasicauthPassword, "github-basicauth-password", c.BasicauthPassword, "Password for GitHub basic auth to use instead of PAT or GitHub APP in case it's running behind a proxy API")
+	flag.StringVar(&c.RunnerGitHubURL, "runner-github-url", c.RunnerGitHubURL, "GitHub URL to be used by runners during registration")
 	flag.DurationVar(&gitHubAPICacheDuration, "github-api-cache-duration", 0, "The duration until the GitHub API cache expires. Setting this to e.g. 10m results in the controller tries its best not to make the same API call within 10m to reduce the chance of being rate-limited. Defaults to mostly the same value as sync-period. If you're tweaking this in order to make autoscaling more responsive, you'll probably want to tweak sync-period, too")
 	flag.DurationVar(&syncPeriod, "sync-period", 10*time.Minute, "Determines the minimum frequency at which K8s resources managed by this controller are reconciled. When you use autoscaling, set to a lower value like 10 minute, because this corresponds to the minimum time to react on demand change. . If you're tweaking this in order to make autoscaling more responsive, you'll probably want to tweak github-api-cache-duration, too")
 	flag.Var(&commonRunnerLabels, "common-runner-labels", "Runner labels in the K1=V1,K2=V2,... format that are inherited all the runners created by the controller. See https://github.com/actions-runner-controller/actions-runner-controller/issues/321 for more information")
@@ -147,9 +166,11 @@ func main() {
 		Log:                  log.WithName("runner"),
 		Scheme:               mgr.GetScheme(),
 		GitHubClient:         ghClient,
-		RunnerImage:          runnerImage,
 		DockerImage:          dockerImage,
 		DockerRegistryMirror: dockerRegistryMirror,
+		// Defaults for self-hosted runner containers
+		RunnerImage:            runnerImage,
+		RunnerImagePullSecrets: runnerImagePullSecrets,
 	}
 
 	if err = runnerReconciler.SetupWithManager(mgr); err != nil {
@@ -186,10 +207,12 @@ func main() {
 		Log:                  log.WithName("runnerset"),
 		Scheme:               mgr.GetScheme(),
 		CommonRunnerLabels:   commonRunnerLabels,
-		RunnerImage:          runnerImage,
 		DockerImage:          dockerImage,
 		DockerRegistryMirror: dockerRegistryMirror,
 		GitHubBaseURL:        ghClient.GithubBaseURL,
+		// Defaults for self-hosted runner containers
+		RunnerImage:            runnerImage,
+		RunnerImagePullSecrets: runnerImagePullSecrets,
 	}
 
 	if err = runnerSetReconciler.SetupWithManager(mgr); err != nil {

pkg/githubwebhookdeliveryforwarder/githubwebhookdelivery.go

@@ -11,7 +11,7 @@ import (
 	"time"
 
 	"github.com/actions-runner-controller/actions-runner-controller/github"
-	gogithub "github.com/google/go-github/v37/github"
+	gogithub "github.com/google/go-github/v39/github"
 )
 
 type server struct {

pkg/hookdeliveryforwarder/forwarder.go

@@ -12,7 +12,7 @@ import (
 	"time"
 
 	"github.com/actions-runner-controller/actions-runner-controller/github"
-	gogithub "github.com/google/go-github/v37/github"
+	gogithub "github.com/google/go-github/v39/github"
 )
 
 type Forwarder struct {

pkg/hookdeliveryforwarder/hooks.go

@@ -3,7 +3,7 @@ package hookdeliveryforwarder
 import (
 	"context"
 
-	gogithub "github.com/google/go-github/v37/github"
+	gogithub "github.com/google/go-github/v39/github"
 )
 
 type hooksAPI struct {

pkg/hookdeliveryforwarder/hooks_deliveries.go

@@ -3,7 +3,7 @@ package hookdeliveryforwarder
 import (
 	"context"
 
-	gogithub "github.com/google/go-github/v37/github"
+	gogithub "github.com/google/go-github/v39/github"
 )
 
 type hookDeliveriesAPI struct {

pkg/hookdeliveryforwarder/multiforwarder.go

@@ -8,7 +8,7 @@ import (
 	"sync"
 
 	"github.com/actions-runner-controller/actions-runner-controller/github"
-	gogithub "github.com/google/go-github/v37/github"
+	gogithub "github.com/google/go-github/v39/github"
 )
 
 type MultiForwarder struct {

runner/Dockerfile

@@ -1,9 +1,9 @@
 FROM ubuntu:20.04
 
 ARG TARGETPLATFORM
-ARG RUNNER_VERSION=2.280.3
+ARG RUNNER_VERSION=2.287.1
 ARG DOCKER_CHANNEL=stable
-ARG DOCKER_VERSION=20.10.8
+ARG DOCKER_VERSION=20.10.12
 ARG DUMB_INIT_VERSION=1.2.5
 
 RUN test -n "$TARGETPLATFORM" || (echo "TARGETPLATFORM must be set" && false)

runner/Dockerfile.dindrunner

@@ -1,9 +1,9 @@
 FROM ubuntu:20.04
 
 ARG TARGETPLATFORM
-ARG RUNNER_VERSION=2.280.3
+ARG RUNNER_VERSION=2.287.1
 ARG DOCKER_CHANNEL=stable
-ARG DOCKER_VERSION=20.10.8
+ARG DOCKER_VERSION=20.10.12
 ARG DUMB_INIT_VERSION=1.2.5
 
 RUN test -n "$TARGETPLATFORM" || (echo "TARGETPLATFORM must be set" && false)

runner/Dockerfile.ubuntu.1804

@@ -1,104 +0,0 @@
-FROM ubuntu:18.04
-
-ARG TARGETPLATFORM
-ARG RUNNER_VERSION=2.280.3
-ARG DOCKER_CHANNEL=stable
-ARG DOCKER_VERSION=20.10.8
-ARG DUMB_INIT_VERSION=1.2.5
-
-RUN test -n "$TARGETPLATFORM" || (echo "TARGETPLATFORM must be set" && false)
-
-ENV DEBIAN_FRONTEND=noninteractive
-RUN apt update -y \
-    && apt install -y software-properties-common \
-    && add-apt-repository -y ppa:git-core/ppa \
-    && apt update -y \
-    && apt install -y --no-install-recommends \
-    build-essential \
-    curl \
-    ca-certificates \
-    dnsutils \
-    ftp \
-    git \
-    iproute2 \
-    iputils-ping \
-    jq \
-    libunwind8 \
-    locales \
-    netcat \
-    openssh-client \
-    parallel \
-    python3-pip \
-    rsync \
-    shellcheck \
-    sudo \
-    telnet \
-    time \
-    tzdata \
-    unzip \
-    upx \
-    wget \
-    zip \
-    zstd \
-    && ln -sf /usr/bin/python3 /usr/bin/python \
-    && ln -sf /usr/bin/pip3 /usr/bin/pip \
-    && rm -rf /var/lib/apt/lists/*
-
-# arch command on OS X reports "i386" for Intel CPUs regardless of bitness
-RUN export ARCH=$(echo ${TARGETPLATFORM} | cut -d / -f2) \
-    && if [ "$ARCH" = "arm64" ]; then export ARCH=aarch64 ; fi \
-    && if [ "$ARCH" = "amd64" ] || [ "$ARCH" = "i386" ]; then export ARCH=x86_64 ; fi \
-    && curl -f -L -o /usr/local/bin/dumb-init https://github.com/Yelp/dumb-init/releases/download/v${DUMB_INIT_VERSION}/dumb-init_${DUMB_INIT_VERSION}_${ARCH} \
-    && chmod +x /usr/local/bin/dumb-init
-
-# Docker download supports arm64 as aarch64 & amd64 / i386 as x86_64
-RUN set -vx; \
-    export ARCH=$(echo ${TARGETPLATFORM} | cut -d / -f2) \
-    && if [ "$ARCH" = "arm64" ]; then export ARCH=aarch64 ; fi \
-    && if [ "$ARCH" = "amd64" ] || [ "$ARCH" = "i386" ]; then export ARCH=x86_64 ; fi \
-    && curl -f -L -o docker.tgz https://download.docker.com/linux/static/${DOCKER_CHANNEL}/${ARCH}/docker-${DOCKER_VERSION}.tgz \
-    && tar zxvf docker.tgz \
-    && install -o root -g root -m 755 docker/docker /usr/local/bin/docker \
-    && rm -rf docker docker.tgz \
-    && adduser --disabled-password --gecos "" --uid 1000 runner \
-    && groupadd docker \
-    && usermod -aG sudo runner \
-    && usermod -aG docker runner \
-    && echo "%sudo   ALL=(ALL:ALL) NOPASSWD:ALL" > /etc/sudoers
-
-ENV RUNNER_ASSETS_DIR=/runnertmp
-ENV HOME=/home/runner
-
-# Runner download supports amd64 as x64. Externalstmp is needed for making mount points work inside DinD.
-#
-# libyaml-dev is required for ruby/setup-ruby action.
-# It is installed after installdependencies.sh and before removing /var/lib/apt/lists
-# to avoid rerunning apt-update on its own.
-RUN export ARCH=$(echo ${TARGETPLATFORM} | cut -d / -f2) \
-    && if [ "$ARCH" = "amd64" ] || [ "$ARCH" = "x86_64" ] || [ "$ARCH" = "i386" ]; then export ARCH=x64 ; fi \
-    && mkdir -p "$RUNNER_ASSETS_DIR" \
-    && cd "$RUNNER_ASSETS_DIR" \
-    && curl -f -L -o runner.tar.gz https://github.com/actions/runner/releases/download/v${RUNNER_VERSION}/actions-runner-linux-${ARCH}-${RUNNER_VERSION}.tar.gz \
-    && tar xzf ./runner.tar.gz \
-    && rm runner.tar.gz \
-    && ./bin/installdependencies.sh \
-    && mv ./externals ./externalstmp \
-    && apt-get install -y libyaml-dev \
-    && rm -rf /var/lib/apt/lists/*
-
-ENV RUNNER_TOOL_CACHE=/opt/hostedtoolcache
-RUN mkdir /opt/hostedtoolcache \
-    && chgrp docker /opt/hostedtoolcache \
-    && chmod g+rwx /opt/hostedtoolcache
-
-COPY entrypoint.sh /
-COPY --chown=runner:docker patched $RUNNER_ASSETS_DIR/patched
-
-# Add the Python "User Script Directory" to the PATH
-ENV PATH="${PATH}:${HOME}/.local/bin"
-ENV ImageOS=ubuntu20
-
-USER runner
-
-ENTRYPOINT ["/usr/local/bin/dumb-init", "--"]
-CMD ["/entrypoint.sh"]

runner/Makefile

@@ -1,10 +1,11 @@
-NAME ?= summerwind/actions-runner
-DIND_RUNNER_NAME ?= ${NAME}-dind
+DOCKER_USER ?= summerwind
+NAME ?= ${DOCKER_USER}/actions-runner
+DIND_RUNNER_NAME ?= ${DOCKER_USER}/actions-runner-dind
 TAG ?= latest
-TARGET_PLATFORM ?= $(shell arch)
+TARGETPLATFORM ?= $(shell arch)
 
-RUNNER_VERSION ?= 2.280.3
-DOCKER_VERSION ?= 20.10.8
+RUNNER_VERSION ?= 2.287.1
+DOCKER_VERSION ?= 20.10.12
 
 # default list of platforms for which multiarch image is built
 ifeq (${PLATFORMS}, )
@@ -24,8 +25,8 @@ else
 endif
 
 docker-build-ubuntu:
-	docker build --build-arg TARGETPLATFORM=${TARGET_PLATFORM} --build-arg RUNNER_VERSION=${RUNNER_VERSION} --build-arg DOCKER_VERSION=${DOCKER_VERSION} -t ${NAME}:${TAG} .
-	docker build --build-arg TARGETPLATFORM=${TARGET_PLATFORM} --build-arg RUNNER_VERSION=${RUNNER_VERSION} --build-arg DOCKER_VERSION=${DOCKER_VERSION} -t ${DIND_RUNNER_NAME}:${TAG} -f Dockerfile.dindrunner .
+	docker build --build-arg TARGETPLATFORM=${TARGETPLATFORM} --build-arg RUNNER_VERSION=${RUNNER_VERSION} --build-arg DOCKER_VERSION=${DOCKER_VERSION} -t ${NAME}:${TAG} .
+	docker build --build-arg TARGETPLATFORM=${TARGETPLATFORM} --build-arg RUNNER_VERSION=${RUNNER_VERSION} --build-arg DOCKER_VERSION=${DOCKER_VERSION} -t ${DIND_RUNNER_NAME}:${TAG} -f Dockerfile.dindrunner .
 
 docker-push-ubuntu:
 	docker push ${NAME}:${TAG}
@@ -39,12 +40,12 @@ docker-buildx-ubuntu:
 	docker buildx build --platform ${PLATFORMS} \
 		--build-arg RUNNER_VERSION=${RUNNER_VERSION} \
 		--build-arg DOCKER_VERSION=${DOCKER_VERSION} \
-		-t "${NAME}:latest" \
+		-t "${NAME}:${TAG}" \
 		-f Dockerfile \
 		. ${PUSH_ARG}
 	docker buildx build --platform ${PLATFORMS} \
 		--build-arg RUNNER_VERSION=${RUNNER_VERSION} \
 		--build-arg DOCKER_VERSION=${DOCKER_VERSION} \
-		-t "${DIND_RUNNER_NAME}:latest" \
+		-t "${DIND_RUNNER_NAME}:${TAG}" \
 		-f Dockerfile.dindrunner \
 		. ${PUSH_ARG}

runner/entrypoint.sh

@@ -24,6 +24,13 @@ if [ ! -z "${STARTUP_DELAY_IN_SECONDS}" ]; then
   sleep ${STARTUP_DELAY_IN_SECONDS}
 fi
 
+if [[ "${DISABLE_WAIT_FOR_DOCKER}" != "true" ]] && [[ "${DOCKER_ENABLED}" == "true" ]]; then
+    log "Docker enabled runner detected and Docker daemon wait is enabled"
+    log "Waiting until Docker is avaliable or the timeout is reached"
+    timeout 120s bash -c 'until docker ps ;do sleep 1; done'
+else
+  log "Docker wait check skipped. Either Docker is disabled or the wait is disabled, continuing with entrypoint"
+fi
 
 if [ -z "${GITHUB_URL}" ]; then
   log "Working with public GitHub"
@@ -72,7 +79,8 @@ fi
 # if this is not a testing environment
 if [ -z "${UNITTEST:-}" ]; then
   sudo chown -R runner:docker ${RUNNER_HOME}
-  mv /runnertmp/* ${RUNNER_HOME}/
+  # use cp over mv to avoid issues when /runnertmp and {RUNNER_HOME} are on different devices
+  cp -r /runnertmp/* ${RUNNER_HOME}/
 fi
 
 cd ${RUNNER_HOME}
@@ -83,6 +91,10 @@ if [ "${RUNNER_FEATURE_FLAG_EPHEMERAL:-}" == "true" -a "${RUNNER_EPHEMERAL}" !=
   config_args+=(--ephemeral)
   echo "Passing --ephemeral to config.sh to enable the ephemeral runner."
 fi
+if [ "${DISABLE_RUNNER_UPDATE:-}" == "true" ]; then
+  config_args+=(--disableupdate)
+  echo "Passing --disableupdate to config.sh to disable automatic runner updates."
+fi
 
 retries_left=10
 while [[ ${retries_left} -gt 0 ]]; do

simulator/runnergroup_visibility.go

@@ -0,0 +1,63 @@
+package simulator
+
+import (
+	"context"
+	"fmt"
+
+	"github.com/actions-runner-controller/actions-runner-controller/github"
+)
+
+type Simulator struct {
+	Client *github.Client
+}
+
+func (c *Simulator) GetRunnerGroupsVisibleToRepository(ctx context.Context, org, repo string, managed *VisibleRunnerGroups) (*VisibleRunnerGroups, error) {
+	visible := NewVisibleRunnerGroups()
+
+	if org == "" {
+		panic(fmt.Sprintf("BUG: owner should not be empty in this context. repo=%v", repo))
+	}
+
+	runnerGroups, err := c.Client.ListOrganizationRunnerGroups(ctx, org)
+	if err != nil {
+		return visible, err
+	}
+
+	for _, runnerGroup := range runnerGroups {
+		ref := NewRunnerGroupFromGitHub(runnerGroup)
+
+		if !managed.Includes(ref) {
+			continue
+		}
+
+		if runnerGroup.GetVisibility() != "all" {
+			hasAccess, err := c.hasRepoAccessToOrganizationRunnerGroup(ctx, org, runnerGroup.GetID(), repo)
+			if err != nil {
+				return visible, err
+			}
+
+			if !hasAccess {
+				continue
+			}
+		}
+
+		visible.Add(ref)
+	}
+
+	return visible, nil
+}
+
+func (c *Simulator) hasRepoAccessToOrganizationRunnerGroup(ctx context.Context, org string, runnerGroupId int64, repo string) (bool, error) {
+	repos, err := c.Client.ListRunnerGroupRepositoryAccesses(ctx, org, runnerGroupId)
+	if err != nil {
+		return false, err
+	}
+
+	for _, githubRepo := range repos {
+		if githubRepo.GetFullName() == repo {
+			return true, nil
+		}
+	}
+
+	return false, nil
+}

simulator/runnergroups.go

@@ -0,0 +1,194 @@
+package simulator
+
+import (
+	"fmt"
+	"sort"
+	"strings"
+
+	"github.com/google/go-github/v39/github"
+)
+
+type RunnerGroupScope int
+
+const (
+	Organization RunnerGroupScope = iota
+	Enterprise
+)
+
+func (s RunnerGroupScope) String() string {
+	switch s {
+	case Organization:
+		return "Organization"
+	case Enterprise:
+		return "Enterprise"
+	default:
+		panic(fmt.Sprintf("unimplemented RunnerGroupScope: %v", int(s)))
+	}
+}
+
+type RunnerGroupKind int
+
+const (
+	Default RunnerGroupKind = iota
+	Custom
+)
+
+func (s RunnerGroupKind) String() string {
+	switch s {
+	case Default:
+		return "Default"
+	case Custom:
+		return "Custom"
+	default:
+		panic(fmt.Sprintf("unimplemented RunnerGroupKind: %v", int(s)))
+	}
+}
+
+func NewRunnerGroupFromGitHub(g *github.RunnerGroup) RunnerGroup {
+	var name string
+	if !g.GetDefault() {
+		name = g.GetName()
+	}
+
+	var scope RunnerGroupScope
+
+	if g.GetInherited() {
+		scope = Enterprise
+	} else {
+		scope = Organization
+	}
+
+	return newRunnerGroup(scope, name)
+}
+
+func NewRunnerGroupFromProperties(enterprise, organization, group string) RunnerGroup {
+	var scope RunnerGroupScope
+
+	if enterprise != "" {
+		scope = Enterprise
+	} else {
+		scope = Organization
+	}
+
+	return newRunnerGroup(scope, group)
+}
+
+// newRunnerGroup creates a new RunnerGroup instance from the provided arguments.
+// There's a convention that an empty name implies a default runner group.
+func newRunnerGroup(scope RunnerGroupScope, name string) RunnerGroup {
+	if name == "" {
+		return RunnerGroup{
+			Scope: scope,
+			Kind:  Default,
+			Name:  "",
+		}
+	}
+
+	return RunnerGroup{
+		Scope: scope,
+		Kind:  Custom,
+		Name:  name,
+	}
+}
+
+type RunnerGroup struct {
+	Scope RunnerGroupScope
+	Kind  RunnerGroupKind
+	Name  string
+}
+
+func (r RunnerGroup) String() string {
+	return fmt.Sprintf("RunnerGroup{Scope:%s, Kind:%s, Name:%s}", r.Scope, r.Kind, r.Name)
+}
+
+// VisibleRunnerGroups is a set of enterprise and organization runner groups
+// that are visible to a GitHub repository.
+// GitHub Actions chooses one of such visible group on which the workflow job is scheduled.
+// ARC chooses the same group as Actions as the scale target.
+type VisibleRunnerGroups struct {
+	// sortedGroups is a pointer to a mutable list of RunnerGroups that contains all the runner sortedGroups
+	// that are visible to the repository, including organization sortedGroups defined at the organization level,
+	// and enterprise sortedGroups that are inherited down to the organization.
+	sortedGroups []RunnerGroup
+}
+
+func NewVisibleRunnerGroups() *VisibleRunnerGroups {
+	return &VisibleRunnerGroups{}
+}
+
+func (g *VisibleRunnerGroups) String() string {
+	var gs []string
+	for _, g := range g.sortedGroups {
+		gs = append(gs, g.String())
+	}
+
+	return strings.Join(gs, ", ")
+}
+
+func (g *VisibleRunnerGroups) IsEmpty() bool {
+	return len(g.sortedGroups) == 0
+}
+
+func (r *VisibleRunnerGroups) Includes(ref RunnerGroup) bool {
+	for _, r := range r.sortedGroups {
+		if r.Scope == ref.Scope && r.Kind == ref.Kind && r.Name == ref.Name {
+			return true
+		}
+	}
+	return false
+}
+
+// Add adds a runner group into VisibleRunnerGroups
+// at a certain position in the list so that
+// Traverse can return runner groups in order of higher precedence to lower precedence.
+func (g *VisibleRunnerGroups) Add(rg RunnerGroup) error {
+	n := len(g.sortedGroups)
+	i := sort.Search(n, func(i int) bool {
+		data := g.sortedGroups[i]
+
+		if rg.Kind > data.Kind {
+			return false
+		} else if rg.Kind < data.Kind {
+			return true
+		}
+
+		if rg.Scope > data.Scope {
+			return false
+		} else if rg.Scope < data.Scope {
+			return true
+		}
+
+		return false
+	})
+
+	g.insert(rg, i)
+
+	return nil
+}
+
+func (g *VisibleRunnerGroups) insert(rg RunnerGroup, i int) {
+	var result []RunnerGroup
+
+	result = append(result, g.sortedGroups[:i]...)
+	result = append(result, rg)
+	result = append(result, g.sortedGroups[i:]...)
+
+	g.sortedGroups = result
+}
+
+// Traverse traverses all the runner groups visible to a repository
+// in order of higher precedence to lower precedence.
+func (g *VisibleRunnerGroups) Traverse(f func(RunnerGroup) (bool, error)) error {
+	for _, rg := range g.sortedGroups {
+		ok, err := f(rg)
+		if err != nil {
+			return err
+		}
+
+		if ok {
+			return nil
+		}
+	}
+
+	return nil
+}

simulator/runnergroups_test.go

@@ -0,0 +1,94 @@
+package simulator
+
+import (
+	"testing"
+
+	"github.com/stretchr/testify/require"
+)
+
+func TestVisibleRunnerGroupsInsert(t *testing.T) {
+	g := NewVisibleRunnerGroups()
+
+	orgDefault := NewRunnerGroupFromProperties("", "myorg1", "")
+	orgCustom := NewRunnerGroupFromProperties("", "myorg1", "myorg1group1")
+	enterpriseDefault := NewRunnerGroupFromProperties("myenterprise1", "", "")
+
+	g.insert(orgCustom, 0)
+	g.insert(orgDefault, 0)
+	g.insert(enterpriseDefault, 1)
+
+	var got []RunnerGroup
+
+	err := g.Traverse(func(rg RunnerGroup) (bool, error) {
+		got = append(got, rg)
+		return false, nil
+	})
+
+	require.NoError(t, err)
+	require.Equal(t, []RunnerGroup{orgDefault, enterpriseDefault, orgCustom}, got, "Unexpected result")
+}
+
+func TestVisibleRunnerGroups(t *testing.T) {
+	v := NewVisibleRunnerGroups()
+
+	requireGroups := func(t *testing.T, included, notIncluded []RunnerGroup) {
+		t.Helper()
+
+		for _, rg := range included {
+			if !v.Includes(rg) {
+				t.Errorf("%v must be included", rg)
+			}
+		}
+
+		for _, rg := range notIncluded {
+			if v.Includes(rg) {
+				t.Errorf("%v must not be included", rg)
+			}
+		}
+
+		var got []RunnerGroup
+
+		err := v.Traverse(func(rg RunnerGroup) (bool, error) {
+			got = append(got, rg)
+
+			return false, nil
+		})
+
+		require.NoError(t, err)
+		require.Equal(t, included, got)
+	}
+
+	orgDefault := NewRunnerGroupFromProperties("", "myorg1", "")
+	orgCustom := NewRunnerGroupFromProperties("", "myorg1", "myorg1group1")
+	enterpriseDefault := NewRunnerGroupFromProperties("myenterprise1", "", "")
+	enterpriseCustom := NewRunnerGroupFromProperties("myenterprise1", "", "myenterprise1group1")
+
+	requireGroups(t, nil, []RunnerGroup{orgDefault, enterpriseDefault, orgCustom, enterpriseCustom})
+
+	v.Add(orgCustom)
+
+	requireGroups(t, []RunnerGroup{orgCustom}, []RunnerGroup{orgDefault, enterpriseDefault, enterpriseCustom})
+
+	v.Add(orgDefault)
+
+	requireGroups(t, []RunnerGroup{orgDefault, orgCustom}, []RunnerGroup{enterpriseDefault, enterpriseCustom})
+
+	v.Add(enterpriseCustom)
+
+	requireGroups(t, []RunnerGroup{orgDefault, orgCustom, enterpriseCustom}, []RunnerGroup{enterpriseDefault})
+
+	v.Add(enterpriseDefault)
+
+	requireGroups(t, []RunnerGroup{orgDefault, enterpriseDefault, orgCustom, enterpriseCustom}, nil)
+
+	var first []RunnerGroup
+
+	err := v.Traverse(func(rg RunnerGroup) (bool, error) {
+		first = append(first, rg)
+
+		return true, nil
+	})
+
+	require.NoError(t, err)
+	require.Equal(t, []RunnerGroup{orgDefault}, first)
+}

test/e2e/cmd/main.go

@@ -0,0 +1,63 @@
+package main
+
+import (
+	"bufio"
+	"bytes"
+	"fmt"
+	"log"
+	"os"
+	"os/exec"
+	"strings"
+)
+
+func main() {
+	if err := run(); err != nil {
+		fmt.Fprintf(os.Stderr, "%v\n", err)
+		os.Exit(1)
+	}
+}
+
+func run() error {
+	var configMapNames []string
+
+	output, err := output()
+	if err != nil {
+		log.Printf("Command failed with output: %s", string(output))
+		return err
+	}
+
+	s := bufio.NewScanner(bytes.NewBuffer(output))
+
+	for s.Scan() {
+		if t := s.Text(); strings.Contains(t, "test-info") || strings.Contains(t, "test-result-") {
+			configMapNames = append(configMapNames, s.Text())
+		}
+	}
+
+	for _, n := range configMapNames {
+		println(n)
+
+		if output, err := delete(n); err != nil {
+			log.Printf("Command failed with output: %s", string(output))
+			return err
+		}
+	}
+
+	return nil
+}
+
+func output() ([]byte, error) {
+	cmd := exec.Command("kubectl", "get", "cm", "-o", `jsonpath={range .items[*]}{.metadata.name}{"\n"}{end}`)
+	data, err := cmd.CombinedOutput()
+	return data, err
+}
+
+func delete(cmName string) ([]byte, error) {
+	cmd := exec.Command("kubectl", "delete", "cm", cmName)
+	return cmd.CombinedOutput()
+}
+
+func deleteControllerManagerSecret() ([]byte, error) {
+	cmd := exec.Command("kubectl", "-n", "actions-runner-system", "delete", "secret", "controller-manager")
+	return cmd.CombinedOutput()
+}

test/e2e/e2e_test.go

@@ -4,6 +4,7 @@ import (
 	"context"
 	"fmt"
 	"path/filepath"
+	"strconv"
 	"time"
 
 	"github.com/actions-runner-controller/actions-runner-controller/testing"
@@ -166,7 +167,11 @@ type env struct {
 	useRunnerSet bool
 
 	testID                                                   string
+	repoToCommit                                             string
 	runnerLabel, githubToken, testRepo, testOrg, testOrgRepo string
+	githubTokenWebhook                                       string
+	testEnterprise                                           string
+	featureFlagEphemeral                                     bool
 	testJobs                                                 []job
 }
 
@@ -186,10 +191,15 @@ func initTestEnv(t *testing.T) *env {
 	e.testID = testID
 	e.runnerLabel = "test-" + id
 	e.githubToken = testing.Getenv(t, "GITHUB_TOKEN")
-	e.testRepo = testing.Getenv(t, "TEST_REPO")
-	e.testOrg = testing.Getenv(t, "TEST_ORG")
-	e.testOrgRepo = testing.Getenv(t, "TEST_ORG_REPO")
-	e.testJobs = createTestJobs(id, testResultCMNamePrefix, 2)
+	e.githubTokenWebhook = testing.Getenv(t, "WEBHOOK_GITHUB_TOKEN")
+	e.repoToCommit = testing.Getenv(t, "TEST_COMMIT_REPO")
+	e.testRepo = testing.Getenv(t, "TEST_REPO", "")
+	e.testOrg = testing.Getenv(t, "TEST_ORG", "")
+	e.testOrgRepo = testing.Getenv(t, "TEST_ORG_REPO", "")
+	e.testEnterprise = testing.Getenv(t, "TEST_ENTERPRISE")
+	e.testJobs = createTestJobs(id, testResultCMNamePrefix, 10)
+	ephemeral, _ := strconv.ParseBool(testing.Getenv(t, "TEST_FEATURE_FLAG_EPHEMERAL"))
+	e.featureFlagEphemeral = ephemeral
 
 	return e
 }
@@ -237,11 +247,14 @@ func (e *env) installActionsRunnerController(t *testing.T) {
 	}
 
 	varEnv := []string{
+		"TEST_ENTERPRISE=" + e.testEnterprise,
 		"TEST_REPO=" + e.testRepo,
 		"TEST_ORG=" + e.testOrg,
 		"TEST_ORG_REPO=" + e.testOrgRepo,
 		"GITHUB_TOKEN=" + e.githubToken,
+		"WEBHOOK_GITHUB_TOKEN=" + e.githubTokenWebhook,
 		"RUNNER_LABEL=" + e.runnerLabel,
+		fmt.Sprintf("RUNNER_FEATURE_FLAG_EPHEMERAL=%v", e.featureFlagEphemeral),
 	}
 
 	scriptEnv = append(scriptEnv, varEnv...)
@@ -260,7 +273,7 @@ func (e *env) createControllerNamespaceAndServiceAccount(t *testing.T) {
 func (e *env) installActionsWorkflow(t *testing.T) {
 	t.Helper()
 
-	installActionsWorkflow(t, e.testID, e.runnerLabel, testResultCMNamePrefix, e.testRepo, e.testJobs)
+	installActionsWorkflow(t, e.testID, e.runnerLabel, testResultCMNamePrefix, e.repoToCommit, e.testJobs)
 }
 
 func (e *env) verifyActionsWorkflowRun(t *testing.T) {
@@ -287,6 +300,8 @@ func createTestJobs(id, testResultCMNamePrefix string, numJobs int) []job {
 	return testJobs
 }
 
+const Branch = "main"
+
 func installActionsWorkflow(t *testing.T, testID, runnerLabel, testResultCMNamePrefix, testRepo string, testJobs []job) {
 	t.Helper()
 
@@ -298,7 +313,7 @@ func installActionsWorkflow(t *testing.T, testID, runnerLabel, testResultCMNameP
 		Name: wfName,
 		On: testing.On{
 			Push: &testing.Push{
-				Branches: []string{"master"},
+				Branches: []string{Branch},
 			},
 		},
 		Jobs: map[string]testing.Job{},
@@ -346,6 +361,7 @@ kubectl create cm %s$id --from-literal=status=ok
 			".github/workflows/workflow.yaml": wfContent,
 			"test.sh":                         script,
 		},
+		Branch: Branch,
 	}
 
 	if err := g.Sync(ctx); err != nil {

test/entrypoint/should_work_disable_update/config.sh

@@ -0,0 +1,29 @@
+#!/bin/bash
+
+export LIGHTGREEN='\e[0;32m'
+export LIGHTRED='\e[0;31m'
+export WHITE='\e[0;97m'
+export RESET='\e[0m'
+
+log(){
+  printf "\t${WHITE}$@${RESET}\n" 2>&1
+}
+
+success(){
+  printf "\t${LIGHTGREEN}$@${RESET}\n" 2>&1
+}
+
+error(){
+  printf "\t${LIGHTRED}$@${RESET}\n" 2>&1
+}
+
+success "I'm configured normally"
+touch .runner
+echo "$*" > runner_config
+success "created a dummy config file"
+success
+# Adding a counter to see how many times we've gone through the configuration step
+count=`cat counter 2>/dev/null|| echo "0"`
+count=$((count + 1))
+echo ${count} > counter
+

test/entrypoint/should_work_disable_update/runsvc.sh

@@ -0,0 +1,31 @@
+#!/bin/bash
+
+set -euo pipefail
+
+export LIGHTGREEN='\e[0;32m'
+export LIGHTRED='\e[0;31m'
+export WHITE='\e[0;97m'
+export RESET='\e[0m'
+
+log(){
+  printf "\t${WHITE}$@${RESET}\n" 2>&1
+}
+
+success(){
+  printf "\t${LIGHTGREEN}$@${RESET}\n" 2>&1
+}
+
+error(){
+  printf "\t${LIGHTRED}$@${RESET}\n" 2>&1
+  exit 1
+}
+
+success ""
+success "Running the service..."
+# test if --once is present as a parameter
+echo "$*" | grep -q 'once' || error "Should include --once in the parameters"j
+success "...successful"
+touch runsvc_ran
+success ""
+
+

test/entrypoint/should_work_disable_update/test.sh

@@ -0,0 +1,78 @@
+#!/bin/bash
+
+# UNITTEST: should work disable update
+# Will simulate a scneario where disableupdate=true. expects:
+# - the configuration step to be run exactly once
+# - the entrypoint script to exit with no error
+# - the config.sh script to run with the --disableupdate flag set to 'true'.
+
+source ../logging.sh
+
+entrypoint_log() {
+  while read I; do
+    printf "\tentrypoint.sh: $I\n"
+  done
+}
+
+log "Setting up the test"
+export UNITTEST=true
+export RUNNER_HOME=localhome
+export RUNNER_NAME="example_runner_name"
+export RUNNER_REPO="myorg/myrepo"
+export RUNNER_TOKEN="xxxxxxxxxxxxx"
+export DISABLE_RUNNER_UPDATE="true"
+
+mkdir -p ${RUNNER_HOME}/bin
+# add up the config.sh and runsvc.sh
+ln -s ../config.sh ${RUNNER_HOME}/config.sh
+ln -s ../../runsvc.sh ${RUNNER_HOME}/bin/runsvc.sh
+
+cleanup() {
+  rm -rf ${RUNNER_HOME}
+  unset UNITTEST
+  unset RUNNERHOME
+  unset RUNNER_NAME
+  unset RUNNER_REPO
+  unset RUNNER_TOKEN
+}
+
+trap cleanup SIGINT SIGTERM SIGQUIT EXIT
+
+log "Running the entrypoint"
+log ""
+
+../../../runner/entrypoint.sh 2> >(entrypoint_log)
+
+if [ "$?" != "0" ]; then
+  error "=========================="
+  error "Test completed with errors"
+  exit 1
+fi
+
+log "Testing if the configuration step was run only once"
+count=`cat ${RUNNER_HOME}/counter || echo "not_found"`
+if [ ${count} != "1" ]; then
+  error "==============================================="
+  error "The configuration step was not run exactly once"
+  exit 1
+fi
+success "The configuration ran ${count} time(s)"
+
+log "Testing if the configuration included the --disableupdate flag"
+if ! grep -q -- '--disableupdate' ${RUNNER_HOME}/runner_config; then
+  error "==============================================="
+  error "The configuration should not include the --disableupdate flag"
+  exit 1
+fi
+
+log "Testing if runsvc ran"
+if [ ! -f "${RUNNER_HOME}/runsvc_ran" ]; then
+  error "=============================="
+  error "The runner service has not run"
+  exit 1
+fi
+
+success "The service ran"
+success ""
+success "==========================="
+success "Test completed successfully"

testing/getenv.go

@@ -5,12 +5,15 @@ import (
 	"testing"
 )
 
-func Getenv(t *testing.T, name string) string {
+func Getenv(t *testing.T, name string, opts ...string) string {
 	t.Helper()
 
 	v := os.Getenv(name)
 	if v == "" {
-		t.Fatal(name + " must be set")
+		if len(opts) == 0 {
+			t.Fatal(name + " must be set")
+		}
+		v = opts[0]
 	}
 	return v
 }

testing/git.go

@@ -16,6 +16,7 @@ type GitRepo struct {
 	Name          string
 	CommitMessage string
 	Contents      map[string][]byte
+	Branch        string
 
 	runtime.Cmdr
 }
@@ -43,6 +44,11 @@ func (g *GitRepo) Sync(ctx context.Context) error {
 
 	for path, content := range g.Contents {
 		absPath := filepath.Join(dir, path)
+		d := filepath.Dir(absPath)
+
+		if err := os.MkdirAll(d, 0755); err != nil {
+			return fmt.Errorf("error creating dir %s: %v", d, err)
+		}
 
 		if err := os.WriteFile(absPath, content, 0755); err != nil {
 			return fmt.Errorf("error writing %s: %w", path, err)
@@ -89,7 +95,7 @@ func (g *GitRepo) gitCommitCmd(ctx context.Context, dir, msg string) *exec.Cmd {
 }
 
 func (g *GitRepo) gitPushCmd(ctx context.Context, dir string) *exec.Cmd {
-	cmd := exec.CommandContext(ctx, "git", "push", "origin", "master")
+	cmd := exec.CommandContext(ctx, "git", "push", "origin", g.Branch)
 	cmd.Dir = dir
 	return cmd
 }

testing/testing.go

@@ -323,6 +323,11 @@ func (k *Kind) Start(ctx context.Context) error {
 		kindConfig := []byte(fmt.Sprintf(`kind: Cluster
 apiVersion: kind.x-k8s.io/v1alpha4
 name: %s
+networking:
+  apiServerAddress: 0.0.0.0
+nodes:
+  - role: control-plane
+  - role: worker
 `, k.Name))
 
 		if err := os.WriteFile(f.Name(), kindConfig, 0644); err != nil {