Bump chart version to 0.13.0 for actions-runner-controller 0.20.0

I have a dedicated GitHub organization and a private repository to run this E2E test. After a few fixes included in this change, it has successfully passed.

.github/renovate.json5

@@ -0,0 +1,20 @@
+{
+  "extends": ["config:base"],
+  "packageRules": [
+    {
+      // automatically merge an update of runner
+      "matchPackageNames": ["actions/runner"],
+      "extractVersion": "^v(?<version>.*)$",
+      "automerge": true
+    }
+  ],
+  "regexManagers": [
+    {
+      // use https://github.com/actions/runner/releases
+      "fileMatch": [".github/workflows/build-and-release-runners.yml"],
+      "matchStrings": ["RUNNER_VERSION: +(?<currentValue>.*?)\\n"],
+      "depNameTemplate": "actions/runner",
+      "datasourceTemplate": "github-releases"
+    }
+  ]
+}

.github/workflows/build-and-release-runners.yml

@@ -18,6 +18,11 @@ on:
       - runner/entrypoint.sh
       - .github/workflows/build-and-release-runners.yml
 
+env:
+  RUNNER_VERSION: 2.282.0
+  DOCKER_VERSION: 20.10.8
+  DOCKERHUB_USERNAME: summerwind
+
 jobs:
   build:
     runs-on: ubuntu-latest
@@ -34,10 +39,7 @@ jobs:
           - name: actions-runner-dind
             os-version: 20.04
             dockerfile: Dockerfile.dindrunner
-    env:
-      RUNNER_VERSION: 2.278.0
-      DOCKER_VERSION: 19.03.12
-      DOCKERHUB_USERNAME: ${{ secrets.DOCKER_USER }}
+
     steps:
       - name: Set outputs
         id: vars
@@ -86,12 +88,8 @@ jobs:
             dockerfile: Dockerfile
           - name: actions-runner-dind
             dockerfile: Dockerfile.dindrunner
-    env:
-      RUNNER_VERSION: 2.277.1
-      DOCKER_VERSION: 19.03.12
-      DOCKERHUB_USERNAME: ${{ secrets.DOCKER_USER }}
-    steps:
 
+    steps:
       - name: Checkout
         uses: actions/checkout@v2
 

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

@@ -49,7 +49,7 @@ jobs:
           python-version: 3.7
 
       - name: Set up chart-testing
-        uses: helm/chart-testing-action@v2.0.1
+        uses: helm/chart-testing-action@v2.1.0
 
       - name: Run chart-testing (list-changed)
         id: list-changed
@@ -63,7 +63,7 @@ jobs:
         run: ct lint --config charts/.ci/ct-config.yaml
 
       - name: Create kind cluster
-        uses: helm/kind-action@v1.0.0
+        uses: helm/kind-action@v1.2.0
         if: steps.list-changed.outputs.changed == 'true'
 
       # We need cert-manager already installed in the cluster because we assume the CRDs exist

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

@@ -52,7 +52,7 @@ jobs:
           python-version: 3.7
 
       - name: Set up chart-testing
-        uses: helm/chart-testing-action@v2.0.1
+        uses: helm/chart-testing-action@v2.1.0
 
       - name: Run chart-testing (list-changed)
         id: list-changed
@@ -66,7 +66,7 @@ jobs:
         run: ct lint --config charts/.ci/ct-config.yaml
 
       - name: Create kind cluster
-        uses: helm/kind-action@v1.0.0
+        uses: helm/kind-action@v1.2.0
         if: steps.list-changed.outputs.changed == 'true'
 
       # We need cert-manager already installed in the cluster because we assume the CRDs exist
@@ -97,7 +97,7 @@ jobs:
           git config user.email "$GITHUB_ACTOR@users.noreply.github.com"
 
       - name: Run chart-releaser
-        uses: helm/chart-releaser-action@v1.1.0
+        uses: helm/chart-releaser-action@v1.2.1
         env:
           CR_TOKEN: "${{ secrets.GITHUB_TOKEN }}"
 

.github/workflows/test-entrypoint.yaml

@@ -0,0 +1,21 @@
+name: Unit tests for entrypoint
+
+on:
+  pull_request:
+    branches:
+      - '**'
+    paths:
+      - 'runner/**'
+      - 'test/entrypoint/**'
+
+jobs:
+  test:
+    runs-on: ubuntu-latest
+    name: Test entrypoint
+    steps:
+    - name: Checkout
+      uses: actions/checkout@v2
+    - name: Run unit tests for entrypoint.sh
+      run: |
+        cd test/entrypoint
+        bash entrypoint_unittest.sh

Dockerfile

@@ -1,5 +1,5 @@
 # Build the manager binary
-FROM golang:1.15 as builder
+FROM golang:1.17 as builder
 
 ARG TARGETPLATFORM
 

Makefile

@@ -10,19 +10,14 @@ RUNNER_TAG  ?= ${VERSION}
 TEST_REPO ?= ${DOCKER_USER}/actions-runner-controller
 TEST_ORG ?=
 TEST_ORG_REPO ?=
+TEST_EPHEMERAL ?= false
 SYNC_PERIOD ?= 5m
 USE_RUNNERSET ?=
+RUNNER_FEATURE_FLAG_EPHEMERAL ?=
 KUBECONTEXT ?= kind-acceptance
 CLUSTER ?= acceptance
 CERT_MANAGER_VERSION ?= v1.1.1
 
-# From https://github.com/VictoriaMetrics/operator/pull/44
-YAML_DROP=$(YQ) delete --inplace
-
-# If you encounter errors like the below, you are very likely to update this to follow e.g. CRD version change:
-#   CustomResourceDefinition.apiextensions.k8s.io "runners.actions.summerwind.dev" is invalid: spec.preserveUnknownFields: Invalid value: true: must be false in order to use defaults in the schema
-YAML_DROP_PREFIX=spec.versions[0].schema.openAPIV3Schema.properties.spec.properties
-
 # Produce CRDs that work back to Kubernetes 1.11 (no version conversion)
 CRD_OPTIONS ?= "crd:trivialVersions=true,generateEmbeddedObjectMeta=true"
 
@@ -89,9 +84,9 @@ deploy: manifests
 	kustomize build config/default | kubectl apply -f -
 
 # Generate manifests e.g. CRD, RBAC etc.
-manifests: manifests-118 fix118 chart-crds
+manifests: manifests-gen-crds chart-crds
 
-manifests-118: controller-gen
+manifests-gen-crds: controller-gen
 	$(CONTROLLER_GEN) $(CRD_OPTIONS) rbac:roleName=manager-role webhook paths="./..." output:crd:artifacts:config=config/crd/bases
 
 chart-crds:
@@ -105,30 +100,14 @@ fmt:
 vet:
 	go vet ./...
 
-# workaround for CRD issue with k8s 1.18 & controller-gen
-# ref: https://github.com/kubernetes/kubernetes/issues/91395
-fix118: yq
-	$(YAML_DROP) config/crd/bases/actions.summerwind.dev_runnerreplicasets.yaml $(YAML_DROP_PREFIX).template.properties.spec.properties.containers.items.properties
-	$(YAML_DROP) config/crd/bases/actions.summerwind.dev_runnerreplicasets.yaml $(YAML_DROP_PREFIX).template.properties.spec.properties.initContainers.items.properties
-	$(YAML_DROP) config/crd/bases/actions.summerwind.dev_runnerreplicasets.yaml $(YAML_DROP_PREFIX).template.properties.spec.properties.sidecarContainers.items.properties
-	$(YAML_DROP) config/crd/bases/actions.summerwind.dev_runnerreplicasets.yaml $(YAML_DROP_PREFIX).template.properties.spec.properties.ephemeralContainers.items.properties
-	$(YAML_DROP) config/crd/bases/actions.summerwind.dev_runnerdeployments.yaml $(YAML_DROP_PREFIX).template.properties.spec.properties.containers.items.properties
-	$(YAML_DROP) config/crd/bases/actions.summerwind.dev_runnerdeployments.yaml $(YAML_DROP_PREFIX).template.properties.spec.properties.initContainers.items.properties
-	$(YAML_DROP) config/crd/bases/actions.summerwind.dev_runnerdeployments.yaml $(YAML_DROP_PREFIX).template.properties.spec.properties.sidecarContainers.items.properties
-	$(YAML_DROP) config/crd/bases/actions.summerwind.dev_runnerdeployments.yaml $(YAML_DROP_PREFIX).template.properties.spec.properties.ephemeralContainers.items.properties
-	$(YAML_DROP) config/crd/bases/actions.summerwind.dev_runners.yaml $(YAML_DROP_PREFIX).containers.items.properties
-	$(YAML_DROP) config/crd/bases/actions.summerwind.dev_runners.yaml $(YAML_DROP_PREFIX).initContainers.items.properties
-	$(YAML_DROP) config/crd/bases/actions.summerwind.dev_runners.yaml $(YAML_DROP_PREFIX).sidecarContainers.items.properties
-	$(YAML_DROP) config/crd/bases/actions.summerwind.dev_runners.yaml $(YAML_DROP_PREFIX).ephemeralContainers.items.properties
-
 # Generate code
 generate: controller-gen
 	$(CONTROLLER_GEN) object:headerFile=./hack/boilerplate.go.txt paths="./..."
 
 # Build the docker image
 docker-build:
-	docker build . -t ${NAME}:${VERSION}
-	docker build runner -t ${RUNNER_NAME}:${RUNNER_TAG} --build-arg TARGETPLATFORM=$(shell arch)
+	docker build -t ${NAME}:${VERSION} .
+	docker build -t ${RUNNER_NAME}:${RUNNER_TAG} --build-arg TARGETPLATFORM=$(shell arch) runner
 
 docker-buildx:
 	export DOCKER_CLI_EXPERIMENTAL=enabled
@@ -206,6 +185,8 @@ acceptance/deploy:
 	NAME=${NAME} DOCKER_USER=${DOCKER_USER} VERSION=${VERSION} RUNNER_NAME=${RUNNER_NAME} RUNNER_TAG=${RUNNER_TAG} TEST_REPO=${TEST_REPO} \
 	TEST_ORG=${TEST_ORG} TEST_ORG_REPO=${TEST_ORG_REPO} SYNC_PERIOD=${SYNC_PERIOD} \
 	USE_RUNNERSET=${USE_RUNNERSET} \
+	TEST_EPHEMERAL=${TEST_EPHEMERAL} \
+	RUNNER_FEATURE_FLAG_EPHEMERAL=${RUNNER_FEATURE_FLAG_EPHEMERAL} \
 	acceptance/deploy.sh
 
 acceptance/tests:
@@ -246,23 +227,6 @@ else
 CONTROLLER_GEN=$(shell which controller-gen)
 endif
 
-# find or download yq
-# download yq if necessary
-# Use always go-version to get consistent line wraps etc.
-yq:
-ifeq (, $(wildcard $(GOBIN)/yq))
-	echo "Downloading yq"
-	@{ \
-	set -e ;\
-	YQ_TMP_DIR=$$(mktemp -d) ;\
-	cd $$YQ_TMP_DIR ;\
-	go mod init tmp ;\
-	go get github.com/mikefarah/yq/v3@3.4.0 ;\
-	rm -rf $$YQ_TMP_DIR ;\
-	}
-endif
-YQ=$(GOBIN)/yq
-
 OS_NAME := $(shell uname -s | tr A-Z a-z)
 
 # find or download etcd

README.md

@@ -12,6 +12,7 @@ ToC:
 - [Setting Up Authentication with GitHub API](#setting-up-authentication-with-github-api)
   - [Deploying Using GitHub App Authentication](#deploying-using-github-app-authentication)
   - [Deploying Using PAT Authentication](#deploying-using-pat-authentication)
+- [Deploying Multiple Controllers](#deploying-multiple-controllers)  
 - [Usage](#usage)
   - [Repository Runners](#repository-runners)
   - [Organization Runners](#organization-runners)
@@ -28,6 +29,7 @@ ToC:
   - [Runner Groups](#runner-groups)
   - [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)
   - [Common Errors](#common-errors)
 - [Contributing](#contributing)
@@ -44,7 +46,7 @@ actions-runner-controller uses [cert-manager](https://cert-manager.io/docs/insta
 
 - [Installing cert-manager on Kubernetes](https://cert-manager.io/docs/installation/kubernetes/)
 
-Install the custom resource and actions-runner-controller with `kubectl` or `helm`. This will create actions-runner-system namespace in your Kubernetes and deploy the required resources.
+Subsequent to this, install the custom resource definitions and actions-runner-controller with `kubectl` or `helm`. This will create actions-runner-system namespace in your Kubernetes and deploy the required resources.
 
 **Kubectl Deployment:**
 
@@ -55,7 +57,7 @@ kubectl apply -f https://github.com/actions-runner-controller/actions-runner-con
 
 **Helm Deployment:**
 
-__**Note: For all configuration options for the Helm chart see the chart's [README](./charts/actions-runner-controller/README.md)
+Configure your values.yaml, see the chart's [README](./charts/actions-runner-controller/README.md) for the values documentation
 
 ```shell
 helm repo add actions-runner-controller https://actions-runner-controller.github.io/actions-runner-controller
@@ -75,7 +77,7 @@ When deploying the solution for a GitHub Enterprise Server environment you need
 kubectl set env deploy controller-manager -c manager GITHUB_ENTERPRISE_URL=<GHEC/S URL> --namespace actions-runner-system
 ```
 
-__**Note: The repository maintainers do not have an enterprise environment (cloud or server). Support for the enterprise specific feature set is community driven and on a best effort basis. PRs from the community are welcomed to add features and maintain support.**__
+**_Note: The repository maintainers do not have an enterprise environment (cloud or server). Support for the enterprise specific feature set is community driven and on a best effort basis. PRs from the community are welcomed to add features and maintain support._**
 
 ## Setting Up Authentication with GitHub API
 
@@ -86,22 +88,23 @@ There are two ways for actions-runner-controller to authenticate with the GitHub
 
 Functionality wise, there isn't much of a difference between the 2 authentication methods. The primarily benefit of authenticating via a GitHub App is an [increased API quota](https://docs.github.com/en/developers/apps/rate-limits-for-github-apps).
 
-If you are deploying the solution for a GitHub Enterprise Server environment you are able to [configure your rate limiting settings](https://docs.github.com/en/enterprise-server@3.0/admin/configuration/configuring-rate-limits) making the main benefit irrelevant. If you're deploying the solution for a GitHub Enterprise Cloud or regular GitHub environment and you run into rate limiting issues, consider deploying the solution using the GitHub App authentication method instead.
+If you are deploying the solution for a GitHub Enterprise Server environment you are able to [configure your rate limit settings](https://docs.github.com/en/enterprise-server@3.0/admin/configuration/configuring-rate-limits) making the main benefit irrelevant. If you're deploying the solution for a GitHub Enterprise Cloud or regular GitHub environment and you run into rate limit issues, consider deploying the solution using the GitHub App authentication method instead.
 
 ### Deploying Using GitHub App Authentication
 
 You can create a GitHub App for either your user account or any organization, below are the app permissions required for each supported type of runner:
 
-_Note: Links are provided further down to create an app for your logged in user account or an organisation with the permissions for all runner types set in each link's query string_
+_Note: Links are provided further down to create an app for your logged in user account or an organization with the permissions for all runner types set in each link's query string_
 
 **Required Permissions for Repository Runners:**<br />
 **Repository Permissions**
 
 * Actions (read)
 * Administration (read / write)
+* Checks (read) (if you are going to use [Faster Autoscaling with GitHub Webhook](#faster-autoscaling-with-github-webhook))
 * Metadata (read)
 
-**Required Permissions for Organisation Runners:**<br />
+**Required Permissions for Organization Runners:**<br />
 **Repository Permissions**
 
 * Actions (read)
@@ -110,6 +113,9 @@ _Note: Links are provided further down to create an app for your logged in user
 **Organization Permissions**
 * Self-hosted runners (read / write)
 
+**Subscribe to events**
+* Check run (if you are going to use [Faster Autoscaling with GitHub Webhook](#faster-autoscaling-with-github-webhook))
+
 _Note: All API routes mapped to their permissions can be found [here](https://docs.github.com/en/rest/reference/permissions-required-for-github-apps) if you wish to review_
 
 ---
@@ -122,7 +128,7 @@ If you want to create a GitHub App for your account, open the following link to
 
 If you want to create a GitHub App for your organization, replace the `:org` part of the following URL with your organization name before opening it. Then enter any unique name in the "GitHub App name" field, and hit the "Create GitHub App" button at the bottom of the page to create a GitHub App.
 
-- [Create GitHub Apps on your organization](https://github.com/organizations/:org/settings/apps/new?url=http://github.com/actions-runner-controller/actions-runner-controller&webhook_active=false&public=false&administration=write&organization_self_hosted_runners=write&actions=read)
+- [Create GitHub Apps on your organization](https://github.com/organizations/:org/settings/apps/new?url=http://github.com/actions-runner-controller/actions-runner-controller&webhook_active=false&public=false&administration=write&organization_self_hosted_runners=write&actions=read&checks=read)
 
 You will see an *App ID* on the page of the GitHub App you created as follows, the value of this App ID will be used later.
 
@@ -180,9 +186,9 @@ Log-in to a GitHub account that has `admin` privileges for the repository, and [
 
 **Required Scopes for Enterprise Runners**
 
-* enterprise:admin (Full control)
+* admin:enterprise (Full control)
 
-_Note: When you deploy enterprise runners they will get access to organisations, however, access to the repositories themselves is **NOT** allowed by default. Each GitHub organisation must allow enterprise runner groups to be used in repositories as an initial one time configuration step, this  only needs to be done once after which it is permanent for that runner group._
+_Note: When you deploy enterprise runners they will get access to organizations, however, access to the repositories themselves is **NOT** allowed by default. Each GitHub organization must allow enterprise runner groups to be used in repositories as an initial one time configuration step, this  only needs to be done once after which it is permanent for that runner group._
 
 ---
 
@@ -200,6 +206,25 @@ kubectl create secret generic controller-manager \
 
 Configure your values.yaml, see the chart's [README](./charts/actions-runner-controller/README.md) for deploying the secret via Helm
 
+### Deploying Multiple Controllers
+
+> This feature requires controller version => [v0.18.0](https://github.com/actions-runner-controller/actions-runner-controller/releases/tag/v0.18.0)
+
+**_Note: Be aware when using this feature that CRDs are cluster wide and so you should upgrade all of your controllers (and your CRDs) as the same time if you are doing an upgrade. Do not mix and match CRD versions with different controller versions. Doing so risks out of control scaling._**
+
+By default the controller will look for runners in all namespaces, the watch namespace feature allows you to restrict the controller to monitoring a single namespace. This then lets you deploy multiple controllers in a single cluster. You may want to do this either because you wish to scale beyond the API rate limit of a single PAT / GitHub App configuration or you wish to support multiple GitHub organizations with runners installed at the organization level in a single cluster.
+
+This feature is configured via the controller `--watch-namespace` flag. When a namespace is provided via this flag the controller will only monitor runners in that namespace.
+
+If you plan on installing all instances of the controller stack into a single namespace you will need to make the names of the resources are unique for each stack. In the case of Helm this can be done by giving each a unique release name, or via the `fullnameOverride` properties.
+
+Alternatively, you can install each controller stack into its own unique namespace (relative to other controller stacks in the cluster), avoiding the need to uniquely prefix resources.
+
+When you go to the route of sharing the namespace while giving each a unique Helm release name, you must also ensure the following values are configured correctly:
+
+- `authSecret.name` needs be unique per stack when each stack is tied to runners in different GitHub organizations and repositories AND you want your GitHub credentials to narrowly scoped.
+- `leaderElectionId` needs to be unique per stack. If this is not unique to the stack the controller tries to race onto the leader election lock and resulting in only one stack working concurrently.
+
 ## Usage
 
 [GitHub self-hosted runners can be deployed at various levels in a management hierarchy](https://docs.github.com/en/actions/hosting-your-own-runners/about-self-hosted-runners#about-self-hosted-runners):
@@ -326,7 +351,7 @@ example-runnerdeploy2475ht2qbr   mumoshu/actions-runner-controller-ci   Running
 
 ##### Note on scaling to/from 0
 
-> This feature is available since actions-runner-controller v0.19.0
+> This feature requires controller version => [v0.19.0](https://github.com/actions-runner-controller/actions-runner-controller/releases/tag/v0.19.0)
 
 You can either delete the runner deployment, or update it to have `replicas: 0`, so that there will be 0 runner pods in the cluster. This, in combination with e.g. `cluster-autoscaler`, enables you to save your infrastructure cost when there's no need to run Actions jobs.
 
@@ -351,6 +376,8 @@ This, in combination with a correctly configured HorizontalRunnerAutoscaler, all
 
 __**IMPORTANT : Due to limitations / a bug with GitHub's [routing engine](https://docs.github.com/en/actions/hosting-your-own-runners/using-self-hosted-runners-in-a-workflow#routing-precedence-for-self-hosted-runners) autoscaling does NOT work correctly with RunnerDeployments that target the enterprise level. Scaling activity works as expected however jobs fail to get assigned to the scaled out replicas. This was explored in issue [#470](https://github.com/actions-runner-controller/actions-runner-controller/issues/470). Once GitHub resolves the issue with their backend service we expect the solution to be able to support autoscaled enterprise runnerdeploments without any additional changes.**__
 
+**NOTE: Once `workflow_job` webhook events are released on GitHub, the webhook-based autoscaling is the preferred way of autoscaling, because it is easy to configure and has the ability to accurately detect which runners to scale. See [Example 3: Scale on each `workflow_job` event](#example-3-scale-on-each-workflow_job-event)**
+
 A `RunnerDeployment` (excluding enterprise runners) can scale the number of runners between `minReplicas` and `maxReplicas` fields based the chosen scaling metric as defined in the `metrics` attribute
 
 **Scaling Metrics**
@@ -372,7 +399,7 @@ The scale out performance is controlled via the manager containers startup `--sy
 **Drawbacks of this metric**
 1. Repositories must be named within the scaling metric, maintaining a list of repositories may not be viable in larger environments or self-serve environments.
 2. May not scale quick enough for some users needs. This metric is pull based and so the queue depth is polled as configured by the sync period, as a result scaling performance is bound by this sync period meaning there is a lag to scaling activity.
-3. Relatively large amounts of API requests required to maintain this metric, you may run in API rate limiting issues depending on the size of your environment and how aggressive your sync period configuration is
+3. Relatively large amounts of API requests required to maintain this metric, you may run in API rate limit issues depending on the size of your environment and how aggressive your sync period configuration is
 4. The GitHub API doesn't provide a way to filter workflow jobs to just those targeting self-hosted runners. If your environment's workflows target both self-hosted and GitHub hosted runners then the queue depth this metric scales against isn't a true 1:1 mapping of queue depth to required runner count. As a result of this, this metric may scale too aggressively for your actual self-hosted runner count needs.
 
 
@@ -469,8 +496,8 @@ spec:
   - type: PercentageRunnersBusy
     scaleUpThreshold: '0.75'    # The percentage of busy runners at which the number of desired runners are re-evaluated to scale up
     scaleDownThreshold: '0.3'   # The percentage of busy runners at which the number of desired runners are re-evaluated to scale down
-    ScaleUpAdjustment: '2'      # The scale up runner count added to desired count
-    ScaleDownAdjustment: '1'    # The scale down runner count subtracted from the desired count
+    scaleUpAdjustment: 2        # The scale up runner count added to desired count
+    scaleDownAdjustment: 1      # The scale down runner count subtracted from the desired count
 ```
 
 Like the previous metric, the scale down factor respects the anti-flapping configuration is applied to the `HorizontalRunnerAutoscaler` as mentioned previously:
@@ -519,7 +546,7 @@ immediately add "resource slack" for future GitHub Actions job runs.
 
 In contrast, the standard autoscaling requires you to wait next sync period to add
 insufficient runners. You can definitely shorten the sync period to make the standard autoscaling more responsive.
-But doing so eventually result in the controller not functional due to GitHub API rate limit.
+But doing so eventually results in the controller not being functional due to it being rated limited by the GitHub API.
 
 > You can learn the implementation details in [#282](https://github.com/actions-runner-controller/actions-runner-controller/pull/282)
 
@@ -570,10 +597,34 @@ spec:
     duration: "5m"
 ```
 
+To scale up replicas of the runners for `myorg` organization by 1 for 5 minutes on each `check_run`, you write manifests like the below:
+
+```yaml
+kind: RunnerDeployment
+metadata:
+   name: myrunners
+spec:
+  organization: myorg
+---
+kind: HorizontalRunnerAutoscaler
+spec:
+  scaleTargetRef:
+    name: myrunners
+  scaleUpTriggers:
+  - githubEvent:
+      checkRun:
+        types: ["created"]
+        status: "queued"
+        # allow only certain repositories within your organization to trigger autoscaling
+        # repositories: ["myrepo", "myanotherrepo"]
+    amount: 1
+    duration: "5m"
+```
+
 ###### Example 2: Scale on each `pull_request` event against `develop` or `main` branches
 
 ```yaml
-kind: RunnerDeployment:
+kind: RunnerDeployment
 metadata:
    name: myrunners
 spec:
@@ -594,10 +645,38 @@ spec:
 
 See ["activity types"](https://docs.github.com/en/actions/reference/events-that-trigger-workflows#pull_request) for the list of valid values for `scaleUpTriggers[].githubEvent.pullRequest.types`.
 
+###### Example 3: Scale on each `workflow_job` event
+
+> This feature depends on an unreleased GitHub feature
+
+```yaml
+kind: RunnerDeployment
+metadata:
+   name: myrunners
+spec:
+  repository: example/myrepo
+---
+kind: HorizontalRunnerAutoscaler
+spec:
+  scaleTargetRef:
+    name: myrunners
+  scaleUpTriggers:
+  - githubEvent: {}
+    duration: "30m"
+```
+
+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`.
+
+Beware that a scale-down after a scale-up is deferred until `scaleDownDelaySecondsAfterScaleOut` elapses. Let's say you had configured `scaleDownDelaySecondsAfterScaleOut` of 60 seconds, 2 consequtive workflow jobs will result in immediately adding 2 runners. The 2 runners are removed only after 60 seconds. This basically gives you 60 seconds of a "grace period" that makes it possible for self-hosted runners to immediately run additional workflow jobs enqueued in that 60 seconds.
+
+You must not include `spec.metrics` like `PercentageRunnersBusy` when using this feature, as it is unnecessary. That is, if you've configured the webhook for `workflow_job`, it should be enough for all the scale-out need.
 
 #### Autoscaling to/from 0
 
-> This feature is available since actions-runner-controller v0.19.0
+> This feature requires controller version => [v0.19.0](https://github.com/actions-runner-controller/actions-runner-controller/releases/tag/v0.19.0)
 
 Previously, we've discussed about [how to scale a RunnerDeployment to/from 0](#note-on-scaling-tofrom-0)
 
@@ -619,7 +698,7 @@ Similarly, Webhook-based autoscaling works regardless of there are active runner
 
 #### Scheduled Overrides
 
-> This feature is available since actions-runner-controller v0.19.0
+> This feature requires controller version => [v0.19.0](https://github.com/actions-runner-controller/actions-runner-controller/releases/tag/v0.19.0)
 
 `Scheduled Overrides` allows you to configure HorizontalRunnerAutoscaler so that its Spec gets updated only during a certain period of time.
 
@@ -630,7 +709,7 @@ usually, this feature is used for following scenarios:
 
 For the first scenario, you might consider configuration like the below:
 
-```
+```yaml
 apiVersion: actions.summerwind.dev/v1alpha1
 kind: HorizontalRunnerAutoscaler
 metadata:
@@ -651,7 +730,7 @@ spec:
 
 For the second scenario, you might consider something like the below:
 
-```
+```yaml
 apiVersion: actions.summerwind.dev/v1alpha1
 kind: HorizontalRunnerAutoscaler
 metadata:
@@ -779,7 +858,7 @@ spec:
       # - https://mlohr.com/docker-mtu/
       dockerMTU: 1500
       # Optional Docker registry mirror
-      # Docker Hub has enabled rate-limiting for free plans.
+      # Docker Hub has an aggressive rate-limit configuration for free plans.
       # To avoid disruptions in your CI/CD pipelines, you might want to setup an external or on-premises Docker registry mirror.
       # More information:
       # - https://docs.docker.com/docker-hub/download-rate-limit/
@@ -830,6 +909,18 @@ spec:
       volumeMounts:
         - mountPath: /home/runner/work/repo
           name: repo
+      # Optional storage medium type of runner volume mount.
+      # More info: https://kubernetes.io/docs/concepts/storage/volumes/#emptydir
+      # "" (default) = Node's default medium
+      # Memory = RAM-backed filesystem (tmpfs)
+      # NOTE: Using RAM-backed filesystem gives you fastest possible storage on your host nodes.
+      volumeStorageMedium: ""
+      # Total amount of local storage resources required for runner volume mount.
+      # The default limit is undefined.
+      # NOTE: You can make sure that nodes' resources are never exceeded by limiting used storage size per runner pod.
+      # You can even disable the runner mount completely by setting limit to zero if dockerdWithinRunnerContainer = true.
+      # Please see https://github.com/actions-runner-controller/actions-runner-controller/pull/674 for more information.
+      volumeSizeLimit: 4Gi
       # Optional name of the container runtime configuration that should be used for pods.
       # This must match the name of a RuntimeClass resource available on the cluster.
       # More info: https://kubernetes.io/docs/concepts/containers/runtime-class
@@ -894,7 +985,7 @@ spec:
 
 ### Using IRSA (IAM Roles for Service Accounts) in EKS
 
-`actions-runner-controller` v0.15.0 or later has support for IRSA in EKS.
+> This feature requires controller version => [v0.15.0](https://github.com/actions-runner-controller/actions-runner-controller/releases/tag/v0.15.0)
 
 As similar as for regular pods and deployments, you firstly need an existing service account with the IAM role associated.
 Create one using e.g. `eksctl`. You can refer to [the EKS documentation](https://docs.aws.amazon.com/eks/latest/userguide/iam-roles-for-service-accounts.html) for more details.
@@ -922,7 +1013,7 @@ spec:
 
 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(contribution 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:
+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
@@ -939,7 +1030,7 @@ Note that there's no official Istio integration in actions-runner-controller. It
 
 A basic `RunnerSet` would look like this:
 
-```
+```yaml
 apiVersion: actions.summerwind.dev/v1alpha1
 kind: RunnerSet
 metadata:
@@ -959,19 +1050,19 @@ spec:
         app: example
 ```
 
-As it is based on `StatefulSet`, `selector` and `template.medatada.labels` needs to be defined and haev the exact same set of labels. `serviceName` must be set to some non-empty string as it is also required by `StatefulSet`.
+As it is based on `StatefulSet`, `selector` and `template.medatada.labels` needs to be defined and have the exact same set of labels. `serviceName` must be set to some non-empty string as it is also required by `StatefulSet`.
 
-Runner-related fields like `ephemeral`, `repository`, `organiåtion`, `enterprise`, and so on should be written directly under `spec`.
+Runner-related fields like `ephemeral`, `repository`, `organization`, `enterprise`, and so on should be written directly under `spec`.
 
-Fields like `volumeClaimTemplates` that originates from `StatefulSet` shuold also be written directly under `spec`.
+Fields like `volumeClaimTemplates` that originates from `StatefulSet` should also be written directly under `spec`.
 
 Pod-related fields like security contexts and volumes are written under `spec.template.spec` like `StatefulSet`.
 
-Simillarly, container-related fields like resource requests and limits, container image names and tags, security context, and so on are written under `spec.template.spec.containers`. There are two reserved container `name`, `runner` and `docker`. The former is for the container that runs [actions runner](https://github.com/actions/runner) and the latter is for the container that runs a dockerd.
+Similarly, container-related fields like resource requests and limits, container image names and tags, security context, and so on are written under `spec.template.spec.containers`. There are two reserved container `name`, `runner` and `docker`. The former is for the container that runs [actions runner](https://github.com/actions/runner) and the latter is for the container that runs a dockerd.
 
 For a more complex example, see the below:
 
-```
+```yaml
 apiVersion: actions.summerwind.dev/v1alpha1
 kind: RunnerSet
 metadata:
@@ -1016,9 +1107,59 @@ You can also read the design and usage documentation written in the original pul
 
 https://github.com/actions-runner-controller/actions-runner-controller/pull/629
 
-Under the hood, `RunnerSet` relies on Kubernetes's `StatefulSet` and Mutating Webhook. A statefulset is used to create a number of pods that has stable names and dynamically provisioned persistent volumes, so that each statefulset-managed pod gets the same persisntet volume even after restarting. A mutating webhook is used to dynamically inject a runner's "registration token" which is used to call GitHub's "Create Runner" API.
+Under the hood, `RunnerSet` relies on Kubernetes's `StatefulSet` and Mutating Webhook. A statefulset is used to create a number of pods that has stable names and dynamically provisioned persistent volumes, so that each statefulset-managed pod gets the same persistent volume even after restarting. A mutating webhook is used to dynamically inject a runner's "registration token" which is used to call GitHub's "Create Runner" API.
 
-We envision that `RunnerSet` will eventually replaces `RunnerDeployment`, as `RunnerSet` provides a more standard API that is easy to learn and use because it is based on `StatefulSet`, and it has a support for `volumeClaimTemplates` which is crucial to manage dynamically provisioned persistent volumes.
+We envision that `RunnerSet` will eventually replace `RunnerDeployment`, as `RunnerSet` provides a more standard API that is easy to learn and use because it is based on `StatefulSet`, and it has a support for `volumeClaimTemplates` which is crucial to manage dynamically provisioned persistent volumes.
+
+**Limitations**
+
+A known down-side of `RunnerSet` compared to `RunnerDeployment` is that it is uanble to create [a registration-only pod on scaling-down to zero](https://github.com/actions-runner-controller/actions-runner-controller#note-on-scaling-tofrom-0). To workaround that, you need to create a `RunnerDeployment` with `spec.repliacs` set to `0` with `spec.repository`, `spec.organization`, or `spec.enterprise`, and `spec.labels` and `spec.groups` as same values as your `RunnerSet`, so that you can keep the registration-only runner regardless of the number of `RunnerSet`-managed runners.
+
+A known down-side of relying on `StatefulSet` is that it misses a support for `maxUnavailable`.
+A `StatefulSet` basically works like `maxUnavailable: 1` in `Deployment`, which means that it can take down only one pod concurrently while doing a rolling-update of pods. Kubernetes 1.22 doesn't support customizing it yet so probably it takes more releases to arrive. See https://github.com/kubernetes/kubernetes/issues/68397 for more information.
+
+### Ephemeral Runners
+
+Both `RunnerDeployment` and `RunnerSet` has ability to configure `ephemeral: true` in the spec.
+
+When it is configured, it passes a `--once` flag to every runner.
+
+`--once` is an experimental `actions/runner` feature that instructs the runner to stop after the first job run. But it is a known race issue that may fetch a job even when it's being terminated. If a runner fetched a job while terminating, the job is very likely to fail because the terminating runner doesn't wait for the job to complete. This is tracked in #466.
+
+> The below feature depends on an unreleased GitHub feature
+
+GitHub seems to be adding an another flag called `--ephemeral` that is race-free. The pull request to add it to `actions/runner` can be found at https://github.com/actions/runner/pull/660.
+
+`actions-runner-controller` has a feature flag backend by an environment variable to enable using `--ephemeral` instead of `--once`. The environment variable is `RUNNER_FEATURE_FLAG_EPHEMERAL`. You can se it to `true` on runner containers in your runner pods to enable the feature.
+
+> At the time of writing this, you need to wait until GitHub rolls out the server-side feature for `--ephemeral`, AND you need to include your own `actions/runner` binary built from https://github.com/actions/runner/pull/660 into the runner container image to test this feature.
+>
+> Please see comments in [`runner/Dockerfile`](/runner/Dockerfile) for more information about how to build a custom image using your own `actions/runner` binary.
+
+For example, a `RunnerSet` config with the flag enabled looks like:
+
+```yaml
+kind: RunnerSet
+metadata:
+  name: example-runnerset
+spec:
+  # ...
+  template:
+    metadata:
+      labels:
+        app: example-runnerset
+    spec:
+      containers:
+      - name: runner
+        imagePullPolicy: IfNotPresent
+        env:
+        - name: RUNNER_FEATURE_FLAG_EPHEMERAL
+          value: "true"
+```
+
+Note that once https://github.com/actions/runner/pull/660 becomes generally available on GitHub, you no longer need to build a custom runner image to use this feature. Just set `RUNNER_FEATURE_FLAG_EPHEMERAL` and it should use `--ephemeral`.
+
+In the future, `--once` might get removed in `actions/runner`. `actions-runner-controller` will make `--ephemeral` the default option for `ephemeral: true` runners until the legacy flag is removed.
 
 ### Software Installed in the Runner Image
 
@@ -1098,25 +1239,14 @@ configuration script tries to communicate with the network.
 
 **Solution**<br />
 
-> This feature is experimental and will be dropped once maintainers think that
-> everyone has already migrated to use Istio's `holdApplicationUntilProxyStarts` ([istio/istio#11130](https://github.com/istio/istio/issues/11130)).
->
-> Please read the discussion in #592 for more information.
+> 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 entrypoint script by setting the `STARTUP_DELAY` environment
-variable. This will cause the script to sleep `STARTUP_DELAY` seconds.
+_Note: Prior to the runner version v2.279.0, the environment variable referenced below was called `STARTUP_DELAY`._
 
-*Example `Runner` with a 2 second startup delay:*
-```yaml
-apiVersion: actions.summerwind.dev/v1alpha1
-kind: Runner
-metadata:
-  name: example-runner-with-sleep
-spec:
-  env:
-    - name: STARTUP_DELAY
-      value: "2" # Remember! env var values must be strings.
-```
+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
@@ -1128,10 +1258,10 @@ spec:
   template:
     spec:
       env:
-        - name: STARTUP_DELAY
+        - name: STARTUP_DELAY_IN_SECONDS
           value: "2" # Remember! env var values must be strings.
 ```
 
 # Contributing
 
-For more details on contributing to the project (including requirements) please check out [Getting Started with Contributing](CONTRIBUTING.md).
+For more details on contributing to the project (including requirements) please check out [Getting Started with Contributing](CONTRIBUTING.md).

acceptance/testdata/repo.runnerset.yaml

@@ -18,7 +18,7 @@ spec:
   # From my limited testing, `ephemeral: true` is more reliable.
   # Seomtimes, updating already deployed runners from `ephemeral: false` to `ephemeral: true` seems to
   # result in queued jobs hanging forever.
-  ephemeral: false
+  ephemeral: ${TEST_EPHEMERAL}
 
   repository: ${TEST_REPO}
   #
@@ -52,5 +52,8 @@ spec:
       containers:
       - name: runner
         imagePullPolicy: IfNotPresent
+        env:
+        - name: RUNNER_FEATURE_FLAG_EPHEMERAL
+          value: "${RUNNER_FEATURE_FLAG_EPHEMERAL}"
       #- name: docker
       #  #image: mumoshu/actions-runner-dind:dev

api/v1alpha1/horizontalrunnerautoscaler_types.go

@@ -84,6 +84,10 @@ type CheckRunSpec struct {
 	// Note that check_run name seem to equal to the job name you've defined in your actions workflow yaml file.
 	// So it is very likely that you can utilize this to trigger depending on the job.
 	Names []string `json:"names,omitempty"`
+
+	// Repositories is a list of GitHub repositories.
+	// Any check_run event whose repository matches one of repositories in the list can trigger autoscaling.
+	Repositories []string `json:"repositories,omitempty"`
 }
 
 // https://docs.github.com/en/actions/reference/events-that-trigger-workflows#pull_request
@@ -223,6 +227,7 @@ type CacheEntry struct {
 }
 
 // +kubebuilder:object:root=true
+// +kubebuilder:resource:shortName=hra
 // +kubebuilder:subresource:status
 // +kubebuilder:printcolumn:JSONPath=".spec.minReplicas",name=Min,type=number
 // +kubebuilder:printcolumn:JSONPath=".spec.maxReplicas",name=Max,type=number

api/v1alpha1/runner_types.go

@@ -69,6 +69,8 @@ type RunnerConfig struct {
 	DockerRegistryMirror *string `json:"dockerRegistryMirror,omitempty"`
 	// +optional
 	VolumeSizeLimit *resource.Quantity `json:"volumeSizeLimit,omitempty"`
+	// +optional
+	VolumeStorageMedium *string `json:"volumeStorageMedium,omitempty"`
 }
 
 // RunnerPodSpec defines the desired pod spec fields of the runner pod
@@ -143,6 +145,9 @@ type RunnerPodSpec struct {
 	// More info: https://kubernetes.io/docs/concepts/containers/runtime-class
 	// +optional
 	RuntimeClassName *string `json:"runtimeClassName,omitempty"`
+
+	// +optional
+	DnsConfig []corev1.PodDNSConfig `json:"dnsConfig,omitempty"`
 }
 
 // ValidateRepository validates repository field.

api/v1alpha1/runner_webhook.go

@@ -34,7 +34,7 @@ func (r *Runner) SetupWebhookWithManager(mgr ctrl.Manager) error {
 		Complete()
 }
 
-// +kubebuilder:webhook:path=/mutate-actions-summerwind-dev-v1alpha1-runner,verbs=create;update,mutating=true,failurePolicy=fail,groups=actions.summerwind.dev,resources=runners,versions=v1alpha1,name=mutate.runner.actions.summerwind.dev,sideEffects=None,webhookVersions=v1beta1
+// +kubebuilder:webhook:path=/mutate-actions-summerwind-dev-v1alpha1-runner,verbs=create;update,mutating=true,failurePolicy=fail,groups=actions.summerwind.dev,resources=runners,versions=v1alpha1,name=mutate.runner.actions.summerwind.dev,sideEffects=None,admissionReviewVersions=v1beta1
 
 var _ webhook.Defaulter = &Runner{}
 
@@ -43,7 +43,7 @@ func (r *Runner) Default() {
 	// Nothing to do.
 }
 
-// +kubebuilder:webhook:path=/validate-actions-summerwind-dev-v1alpha1-runner,verbs=create;update,mutating=false,failurePolicy=fail,groups=actions.summerwind.dev,resources=runners,versions=v1alpha1,name=validate.runner.actions.summerwind.dev,sideEffects=None,webhookVersions=v1beta1
+// +kubebuilder:webhook:path=/validate-actions-summerwind-dev-v1alpha1-runner,verbs=create;update,mutating=false,failurePolicy=fail,groups=actions.summerwind.dev,resources=runners,versions=v1alpha1,name=validate.runner.actions.summerwind.dev,sideEffects=None,admissionReviewVersions=v1beta1
 
 var _ webhook.Validator = &Runner{}
 

api/v1alpha1/runnerdeployment_types.go

@@ -67,6 +67,7 @@ type RunnerDeploymentStatus struct {
 }
 
 // +kubebuilder:object:root=true
+// +kubebuilder:resource:shortName=rdeploy
 // +kubebuilder:subresource:status
 // +kubebuilder:printcolumn:JSONPath=".spec.replicas",name=Desired,type=number
 // +kubebuilder:printcolumn:JSONPath=".status.replicas",name=Current,type=number

api/v1alpha1/runnerdeployment_webhook.go

@@ -34,7 +34,7 @@ func (r *RunnerDeployment) SetupWebhookWithManager(mgr ctrl.Manager) error {
 		Complete()
 }
 
-// +kubebuilder:webhook:path=/mutate-actions-summerwind-dev-v1alpha1-runnerdeployment,verbs=create;update,mutating=true,failurePolicy=fail,groups=actions.summerwind.dev,resources=runnerdeployments,versions=v1alpha1,name=mutate.runnerdeployment.actions.summerwind.dev,webhookVersions=v1beta1
+// +kubebuilder:webhook:path=/mutate-actions-summerwind-dev-v1alpha1-runnerdeployment,verbs=create;update,mutating=true,failurePolicy=fail,groups=actions.summerwind.dev,resources=runnerdeployments,versions=v1alpha1,name=mutate.runnerdeployment.actions.summerwind.dev,sideEffects=None,admissionReviewVersions=v1beta1
 
 var _ webhook.Defaulter = &RunnerDeployment{}
 
@@ -43,7 +43,7 @@ func (r *RunnerDeployment) Default() {
 	// Nothing to do.
 }
 
-// +kubebuilder:webhook:path=/validate-actions-summerwind-dev-v1alpha1-runnerdeployment,verbs=create;update,mutating=false,failurePolicy=fail,groups=actions.summerwind.dev,resources=runnerdeployments,versions=v1alpha1,name=validate.runnerdeployment.actions.summerwind.dev,webhookVersions=v1beta1
+// +kubebuilder:webhook:path=/validate-actions-summerwind-dev-v1alpha1-runnerdeployment,verbs=create;update,mutating=false,failurePolicy=fail,groups=actions.summerwind.dev,resources=runnerdeployments,versions=v1alpha1,name=validate.runnerdeployment.actions.summerwind.dev,sideEffects=None,admissionReviewVersions=v1beta1
 
 var _ webhook.Validator = &RunnerDeployment{}
 

api/v1alpha1/runnerreplicaset_types.go

@@ -55,6 +55,7 @@ type RunnerTemplate struct {
 }
 
 // +kubebuilder:object:root=true
+// +kubebuilder:resource:shortName=rrs
 // +kubebuilder:subresource:status
 // +kubebuilder:printcolumn:JSONPath=".spec.replicas",name=Desired,type=number
 // +kubebuilder:printcolumn:JSONPath=".status.replicas",name=Current,type=number

api/v1alpha1/runnerreplicaset_webhook.go

@@ -34,7 +34,7 @@ func (r *RunnerReplicaSet) SetupWebhookWithManager(mgr ctrl.Manager) error {
 		Complete()
 }
 
-// +kubebuilder:webhook:path=/mutate-actions-summerwind-dev-v1alpha1-runnerreplicaset,verbs=create;update,mutating=true,failurePolicy=fail,groups=actions.summerwind.dev,resources=runnerreplicasets,versions=v1alpha1,name=mutate.runnerreplicaset.actions.summerwind.dev,sideEffects=None,webhookVersions=v1beta1
+// +kubebuilder:webhook:path=/mutate-actions-summerwind-dev-v1alpha1-runnerreplicaset,verbs=create;update,mutating=true,failurePolicy=fail,groups=actions.summerwind.dev,resources=runnerreplicasets,versions=v1alpha1,name=mutate.runnerreplicaset.actions.summerwind.dev,sideEffects=None,admissionReviewVersions=v1beta1
 
 var _ webhook.Defaulter = &RunnerReplicaSet{}
 
@@ -43,7 +43,7 @@ func (r *RunnerReplicaSet) Default() {
 	// Nothing to do.
 }
 
-// +kubebuilder:webhook:path=/validate-actions-summerwind-dev-v1alpha1-runnerreplicaset,verbs=create;update,mutating=false,failurePolicy=fail,groups=actions.summerwind.dev,resources=runnerreplicasets,versions=v1alpha1,name=validate.runnerreplicaset.actions.summerwind.dev,sideEffects=None,webhookVersions=v1beta1
+// +kubebuilder:webhook:path=/validate-actions-summerwind-dev-v1alpha1-runnerreplicaset,verbs=create;update,mutating=false,failurePolicy=fail,groups=actions.summerwind.dev,resources=runnerreplicasets,versions=v1alpha1,name=validate.runnerreplicaset.actions.summerwind.dev,sideEffects=None,admissionReviewVersions=v1beta1
 
 var _ webhook.Validator = &RunnerReplicaSet{}
 

api/v1alpha1/zz_generated.deepcopy.go

@@ -1,3 +1,4 @@
+//go:build !ignore_autogenerated
 // +build !ignore_autogenerated
 
 /*
@@ -71,6 +72,11 @@ func (in *CheckRunSpec) DeepCopyInto(out *CheckRunSpec) {
 		*out = make([]string, len(*in))
 		copy(*out, *in)
 	}
+	if in.Repositories != nil {
+		in, out := &in.Repositories, &out.Repositories
+		*out = make([]string, len(*in))
+		copy(*out, *in)
+	}
 }
 
 // DeepCopy is an autogenerated deepcopy function, copying the receiver, creating a new CheckRunSpec.
@@ -408,6 +414,11 @@ func (in *RunnerConfig) DeepCopyInto(out *RunnerConfig) {
 		x := (*in).DeepCopy()
 		*out = &x
 	}
+	if in.VolumeStorageMedium != nil {
+		in, out := &in.VolumeStorageMedium, &out.VolumeStorageMedium
+		*out = new(string)
+		**out = **in
+	}
 }
 
 // DeepCopy is an autogenerated deepcopy function, copying the receiver, creating a new RunnerConfig.
@@ -701,6 +712,13 @@ func (in *RunnerPodSpec) DeepCopyInto(out *RunnerPodSpec) {
 		*out = new(string)
 		**out = **in
 	}
+	if in.DnsConfig != nil {
+		in, out := &in.DnsConfig, &out.DnsConfig
+		*out = make([]v1.PodDNSConfig, len(*in))
+		for i := range *in {
+			(*in)[i].DeepCopyInto(&(*out)[i])
+		}
+	}
 }
 
 // DeepCopy is an autogenerated deepcopy function, copying the receiver, creating a new RunnerPodSpec.

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: 0.12.5
+version: 0.13.0
 
 # Used as the default manager tag value when no tag property is provided in the values.yaml
-appVersion: 0.19.0
+appVersion: 0.20.0
 
 home: https://github.com/actions-runner-controller/actions-runner-controller
 

charts/actions-runner-controller/README.md

@@ -22,6 +22,7 @@ _Default values are the defaults set in the charts values.yaml, some properties
 | `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_*`**                      |                                                                      |
+| `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                                     |
@@ -32,6 +33,7 @@ _Default values are the defaults set in the charts values.yaml, some properties
 | `metrics.proxy.enabled`                                  | Deploy kube-rbac-proxy container in controller pod                                                                         | true                                                                 |
 | `metrics.proxy.image.repository`                         | The "repository/image" of the kube-proxy container                                                                         | quay.io/brancz/kube-rbac-proxy                                       |
 | `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	                                                                                        |                                                                      |
 | `nameOverride`                                           | Override the resource name prefix	                                                                                        |                                                                      |

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

@@ -13,6 +13,8 @@ spec:
     kind: HorizontalRunnerAutoscaler
     listKind: HorizontalRunnerAutoscalerList
     plural: horizontalrunnerautoscalers
+    shortNames:
+    - hra
     singular: horizontalrunnerautoscaler
   scope: Namespaced
   versions:
@@ -171,6 +173,13 @@ spec:
                               items:
                                 type: string
                               type: array
+                            repositories:
+                              description: Repositories is a list of GitHub repositories.
+                                Any check_run event whose repository matches one of
+                                repositories in the list can trigger autoscaling.
+                              items:
+                                type: string
+                              type: array
                             status:
                               type: string
                             types:

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

@@ -7113,6 +7113,8 @@ spec:
                 - type: string
                 pattern: ^(\+|-)?(([0-9]+(\.[0-9]*)?)|(\.[0-9]+))(([KMGTPE]i)|[numkMGTPE]|([eE](\+|-)?(([0-9]+(\.[0-9]*)?)|(\.[0-9]+))))?$
                 x-kubernetes-int-or-string: true
+              volumeStorageMedium:
+                type: string
               workDir:
                 type: string
             required:

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

@@ -21,4 +21,4 @@ spec:
   issuerRef:
     kind: Issuer
     name: {{ include "actions-runner-controller.selfsignedIssuerName" . }}
-  secretName: webhook-server-cert # this secret will not be prefixed, since it's not managed by kustomize
+  secretName: {{ include "actions-runner-controller.servingCertName" . }}

charts/actions-runner-controller/templates/controller.metrics.serviceMonitor.yaml

@@ -4,6 +4,9 @@ kind: ServiceMonitor
 metadata:
   labels:
     {{- include "actions-runner-controller.labels" . | nindent 4 }}
+  {{- with .Values.metrics.serviceMonitorLabels }}
+    {{- toYaml . | nindent 4 }}
+  {{- end }}
   name: {{ include "actions-runner-controller.serviceMonitorName" . }}
 spec:
   endpoints:

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

@@ -37,10 +37,18 @@ spec:
         {{- $metricsHost := .Values.metrics.proxy.enabled | ternary "127.0.0.1" "0.0.0.0" }}
         {{- $metricsPort := .Values.metrics.proxy.enabled | ternary "8080" .Values.metrics.port }}
         - "--metrics-addr={{ $metricsHost }}:{{ $metricsPort }}"
+        {{- if .Values.enableLeaderElection }}
         - "--enable-leader-election"
+        {{- end }}
+        {{- if .Values.leaderElectionId }}
+        - "--leader-election-id={{ .Values.leaderElectionId }}"
+        {{- end }}
         - "--sync-period={{ .Values.syncPeriod }}"
         - "--docker-image={{ .Values.image.dindSidecarRepositoryAndTag }}"
         - "--runner-image={{ .Values.image.actionsRunnerRepositoryAndTag }}"
+        {{- if .Values.dockerRegistryMirror }}
+        - "--docker-registry-mirror={{ .Values.dockerRegistryMirror }}"
+        {{- end }}
         {{- if .Values.scope.singleNamespace }}
         - "--watch-namespace={{ default .Release.Namespace .Values.scope.watchNamespace }}"
         {{- end }}
@@ -131,7 +139,7 @@ spec:
       - name: cert
         secret:
           defaultMode: 420
-          secretName: webhook-server-cert
+          secretName: {{ include "actions-runner-controller.servingCertName" . }}
       - name: tmp
         emptyDir: {}
       {{- with .Values.nodeSelector }}

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

@@ -35,6 +35,14 @@ rules:
   - get
   - patch
   - update
+- apiGroups:
+  - actions.summerwind.dev
+  resources:
+  - runnersets
+  verbs:
+  - get
+  - list
+  - watch
 - apiGroups:
   - actions.summerwind.dev
   resources:
@@ -67,4 +75,16 @@ rules:
   - get
   - patch
   - update
+- apiGroups:
+  - authentication.k8s.io
+  resources:
+  - tokenreviews
+  verbs:
+  - create
+- apiGroups:
+  - authorization.k8s.io
+  resources:
+  - subjectaccessreviews
+  verbs:
+  - create
 {{- end }}

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

@@ -6,6 +6,10 @@ metadata:
   namespace: {{ .Release.Namespace }}
   labels:
     {{- include "actions-runner-controller.labels" . | nindent 4 }}
+{{- if .Values.githubWebhookServer.service.annotations }}
+  annotations:
+    {{ toYaml .Values.githubWebhookServer.service.annotations | nindent 4 }}
+{{- end }}
 spec:
   type: {{ .Values.githubWebhookServer.service.type }}
   ports:

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

@@ -4,11 +4,20 @@ kind: ServiceMonitor
 metadata:
   labels:
     {{- include "actions-runner-controller.labels" . | nindent 4 }}
+  {{- with .Values.metrics.serviceMonitorLabels }}
+    {{- toYaml . | nindent 4 }}
+  {{- end }}
   name: {{ include "actions-runner-controller-github-webhook-server.serviceMonitorName" . }}
 spec:
   endpoints:
     - path: /metrics
       port: metrics-port
+      {{- if .Values.metrics.proxy.enabled }}
+      bearerTokenFile: /var/run/secrets/kubernetes.io/serviceaccount/token
+      scheme: https
+      tlsConfig:
+        insecureSkipVerify: true
+      {{- end }}
   selector:
     matchLabels:
       {{- include "actions-runner-controller-github-webhook-server.selectorLabels" . | nindent 6 }}

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

@@ -1,6 +1,6 @@
 
 ---
-apiVersion: admissionregistration.k8s.io/v1beta1
+apiVersion: admissionregistration.k8s.io/v1
 kind: MutatingWebhookConfiguration
 metadata:
   creationTimestamp: null
@@ -8,7 +8,9 @@ metadata:
   annotations:
     cert-manager.io/inject-ca-from: {{ .Release.Namespace }}/{{ include "actions-runner-controller.servingCertName" . }}
 webhooks:
-- clientConfig:
+- admissionReviewVersions:
+  - v1beta1
+  clientConfig:
     service:
       name: {{ include "actions-runner-controller.webhookServiceName" . }}
       namespace: {{ .Release.Namespace }}
@@ -26,7 +28,9 @@ webhooks:
     resources:
     - runners
   sideEffects: None
-- clientConfig:
+- admissionReviewVersions:
+  - v1beta1
+  clientConfig:
     service:
       name: {{ include "actions-runner-controller.webhookServiceName" . }}
       namespace: {{ .Release.Namespace }}
@@ -44,7 +48,9 @@ webhooks:
     resources:
     - runnerdeployments
   sideEffects: None
-- clientConfig:
+- admissionReviewVersions:
+  - v1beta1
+  clientConfig:
     service:
       name: {{ include "actions-runner-controller.webhookServiceName" . }}
       namespace: {{ .Release.Namespace }}
@@ -62,7 +68,9 @@ webhooks:
     resources:
     - runnerreplicasets
   sideEffects: None
-- clientConfig:
+- admissionReviewVersions:
+  - v1beta1
+  clientConfig:
     service:
       name: {{ include "actions-runner-controller.webhookServiceName" . }}
       namespace: {{ .Release.Namespace }}
@@ -83,7 +91,7 @@ webhooks:
     matchLabels:
       "actions-runner-controller/inject-registration-token": "true"
 ---
-apiVersion: admissionregistration.k8s.io/v1beta1
+apiVersion: admissionregistration.k8s.io/v1
 kind: ValidatingWebhookConfiguration
 metadata:
   creationTimestamp: null
@@ -91,7 +99,9 @@ metadata:
   annotations:
     cert-manager.io/inject-ca-from: {{ .Release.Namespace }}/{{ include "actions-runner-controller.servingCertName" . }}
 webhooks:
-- clientConfig:
+- admissionReviewVersions:
+  - v1beta1
+  clientConfig:
     service:
       name: {{ include "actions-runner-controller.webhookServiceName" . }}
       namespace: {{ .Release.Namespace }}
@@ -109,7 +119,9 @@ webhooks:
     resources:
     - runners
   sideEffects: None
-- clientConfig:
+- admissionReviewVersions:
+  - v1beta1
+  clientConfig:
     service:
       name: {{ include "actions-runner-controller.webhookServiceName" . }}
       namespace: {{ .Release.Namespace }}
@@ -127,7 +139,9 @@ webhooks:
     resources:
     - runnerdeployments
   sideEffects: None
-- clientConfig:
+- admissionReviewVersions:
+  - v1beta1
+  clientConfig:
     service:
       name: {{ include "actions-runner-controller.webhookServiceName" . }}
       namespace: {{ .Release.Namespace }}

charts/actions-runner-controller/values.yaml

@@ -8,6 +8,11 @@ replicaCount: 1
 
 syncPeriod: 10m
 
+enableLeaderElection: true
+# Specifies the controller id for leader election.
+# Must be unique if more than one controller installed onto the same namespace.
+#leaderElectionId: "actions-runner-controller"
+
 # The controller tries its best not to repeat the duplicate GitHub API call
 # within this duration.
 # Defaults to syncPeriod - 10s.
@@ -28,6 +33,7 @@ authSecret:
   ### GitHub PAT Configuration
   #github_token: ""
 
+dockerRegistryMirror: ""
 image:
   repository: "summerwind/actions-runner-controller"
   actionsRunnerRepositoryAndTag: "summerwind/actions-runner:latest"
@@ -70,6 +76,7 @@ service:
 
 metrics:
   serviceMonitor: false
+  serviceMonitorLabels: {}
   port: 8443
   proxy:
     enabled: true
@@ -146,6 +153,7 @@ githubWebhookServer:
   priorityClassName: ""
   service:
     type: ClusterIP
+    annotations: {}
     ports:
       - port: 80
         targetPort: http

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

@@ -13,6 +13,8 @@ spec:
     kind: HorizontalRunnerAutoscaler
     listKind: HorizontalRunnerAutoscalerList
     plural: horizontalrunnerautoscalers
+    shortNames:
+    - hra
     singular: horizontalrunnerautoscaler
   scope: Namespaced
   versions:
@@ -171,6 +173,13 @@ spec:
                               items:
                                 type: string
                               type: array
+                            repositories:
+                              description: Repositories is a list of GitHub repositories.
+                                Any check_run event whose repository matches one of
+                                repositories in the list can trigger autoscaling.
+                              items:
+                                type: string
+                              type: array
                             status:
                               type: string
                             types:

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

@@ -7113,6 +7113,8 @@ spec:
                 - type: string
                 pattern: ^(\+|-)?(([0-9]+(\.[0-9]*)?)|(\.[0-9]+))(([KMGTPE]i)|[numkMGTPE]|([eE](\+|-)?(([0-9]+(\.[0-9]*)?)|(\.[0-9]+))))?$
                 x-kubernetes-int-or-string: true
+              volumeStorageMedium:
+                type: string
               workDir:
                 type: string
             required:

config/crd/kustomization.yaml

@@ -6,6 +6,7 @@ resources:
 - bases/actions.summerwind.dev_runnerreplicasets.yaml
 - bases/actions.summerwind.dev_runnerdeployments.yaml
 - bases/actions.summerwind.dev_horizontalrunnerautoscalers.yaml
+- bases/actions.summerwind.dev_runnersets.yaml
 # +kubebuilder:scaffold:crdkustomizeresource
 
 patchesStrategicMerge:

config/crd/patches/cainjection_in_runners.yaml

@@ -1,6 +1,6 @@
 # The following patch adds a directive for certmanager to inject CA into the CRD
 # CRD conversion requires k8s 1.13 or later.
-apiVersion: apiextensions.k8s.io/v1beta1
+apiVersion: apiextensions.k8s.io/v1
 kind: CustomResourceDefinition
 metadata:
   annotations:

config/crd/patches/webhook_in_runners.yaml

@@ -1,17 +1,18 @@
 # The following patch enables conversion webhook for CRD
 # CRD conversion requires k8s 1.13 or later.
-apiVersion: apiextensions.k8s.io/v1beta1
+apiVersion: apiextensions.k8s.io/v1
 kind: CustomResourceDefinition
 metadata:
   name: runners.actions.summerwind.dev
 spec:
   conversion:
     strategy: Webhook
-    webhookClientConfig:
-      # this is "\n" used as a placeholder, otherwise it will be rejected by the apiserver for being blank,
-      # but we're going to set it later using the cert-manager (or potentially a patch if not using cert-manager)
-      caBundle: Cg==
-      service:
-        namespace: system
-        name: webhook-service
-        path: /convert
+    webhook:
+      clientConfig:
+        # this is "\n" used as a placeholder, otherwise it will be rejected by the apiserver for being blank,
+        # but we're going to set it later using the cert-manager (or potentially a patch if not using cert-manager)
+        caBundle: Cg==
+        service:
+          namespace: system
+          name: webhook-service
+          path: /convert

config/default/webhookcainjection_patch.yaml

@@ -1,13 +1,13 @@
 # This patch add annotation to admission webhook config and
 # the variables $(CERTIFICATE_NAMESPACE) and $(CERTIFICATE_NAME) will be substituted by kustomize.
-apiVersion: admissionregistration.k8s.io/v1beta1
+apiVersion: admissionregistration.k8s.io/v1
 kind: MutatingWebhookConfiguration
 metadata:
   name: mutating-webhook-configuration
   annotations:
     cert-manager.io/inject-ca-from: $(CERTIFICATE_NAMESPACE)/$(CERTIFICATE_NAME)
 ---
-apiVersion: admissionregistration.k8s.io/v1beta1
+apiVersion: admissionregistration.k8s.io/v1
 kind: ValidatingWebhookConfiguration
 metadata:
   name: validating-webhook-configuration

config/manager/kustomization.yaml

@@ -4,5 +4,5 @@ apiVersion: kustomize.config.k8s.io/v1beta1
 kind: Kustomization
 images:
 - name: controller
-  newName: mumoshu/actions-runner-controller
-  newTag: controller1
+  newName: summerwind/actions-runner-controller
+  newTag: latest

config/webhook/kustomization.yaml

@@ -1,6 +1,5 @@
 resources:
 - manifests.yaml
-- manifests.v1beta1.yaml
 - service.yaml
 
 configurations:

config/webhook/manifests.v1beta1.yaml

@@ -1,130 +0,0 @@
-
----
-apiVersion: admissionregistration.k8s.io/v1beta1
-kind: MutatingWebhookConfiguration
-metadata:
-  creationTimestamp: null
-  name: mutating-webhook-configuration
-webhooks:
-- admissionReviewVersions: null
-  clientConfig:
-    service:
-      name: webhook-service
-      namespace: system
-      path: /mutate-actions-summerwind-dev-v1alpha1-runner
-  failurePolicy: Fail
-  name: mutate.runner.actions.summerwind.dev
-  rules:
-  - apiGroups:
-    - actions.summerwind.dev
-    apiVersions:
-    - v1alpha1
-    operations:
-    - CREATE
-    - UPDATE
-    resources:
-    - runners
-  sideEffects: None
-- admissionReviewVersions: null
-  clientConfig:
-    service:
-      name: webhook-service
-      namespace: system
-      path: /mutate-actions-summerwind-dev-v1alpha1-runnerdeployment
-  failurePolicy: Fail
-  name: mutate.runnerdeployment.actions.summerwind.dev
-  rules:
-  - apiGroups:
-    - actions.summerwind.dev
-    apiVersions:
-    - v1alpha1
-    operations:
-    - CREATE
-    - UPDATE
-    resources:
-    - runnerdeployments
-  sideEffects: null
-- admissionReviewVersions: null
-  clientConfig:
-    service:
-      name: webhook-service
-      namespace: system
-      path: /mutate-actions-summerwind-dev-v1alpha1-runnerreplicaset
-  failurePolicy: Fail
-  name: mutate.runnerreplicaset.actions.summerwind.dev
-  rules:
-  - apiGroups:
-    - actions.summerwind.dev
-    apiVersions:
-    - v1alpha1
-    operations:
-    - CREATE
-    - UPDATE
-    resources:
-    - runnerreplicasets
-  sideEffects: None
-
----
-apiVersion: admissionregistration.k8s.io/v1beta1
-kind: ValidatingWebhookConfiguration
-metadata:
-  creationTimestamp: null
-  name: validating-webhook-configuration
-webhooks:
-- admissionReviewVersions: null
-  clientConfig:
-    service:
-      name: webhook-service
-      namespace: system
-      path: /validate-actions-summerwind-dev-v1alpha1-runner
-  failurePolicy: Fail
-  name: validate.runner.actions.summerwind.dev
-  rules:
-  - apiGroups:
-    - actions.summerwind.dev
-    apiVersions:
-    - v1alpha1
-    operations:
-    - CREATE
-    - UPDATE
-    resources:
-    - runners
-  sideEffects: None
-- admissionReviewVersions: null
-  clientConfig:
-    service:
-      name: webhook-service
-      namespace: system
-      path: /validate-actions-summerwind-dev-v1alpha1-runnerdeployment
-  failurePolicy: Fail
-  name: validate.runnerdeployment.actions.summerwind.dev
-  rules:
-  - apiGroups:
-    - actions.summerwind.dev
-    apiVersions:
-    - v1alpha1
-    operations:
-    - CREATE
-    - UPDATE
-    resources:
-    - runnerdeployments
-  sideEffects: null
-- admissionReviewVersions: null
-  clientConfig:
-    service:
-      name: webhook-service
-      namespace: system
-      path: /validate-actions-summerwind-dev-v1alpha1-runnerreplicaset
-  failurePolicy: Fail
-  name: validate.runnerreplicaset.actions.summerwind.dev
-  rules:
-  - apiGroups:
-    - actions.summerwind.dev
-    apiVersions:
-    - v1alpha1
-    operations:
-    - CREATE
-    - UPDATE
-    resources:
-    - runnerreplicasets
-  sideEffects: None

config/webhook/manifests.yaml

@@ -6,6 +6,66 @@ metadata:
   creationTimestamp: null
   name: mutating-webhook-configuration
 webhooks:
+- admissionReviewVersions:
+  - v1beta1
+  clientConfig:
+    service:
+      name: webhook-service
+      namespace: system
+      path: /mutate-actions-summerwind-dev-v1alpha1-runner
+  failurePolicy: Fail
+  name: mutate.runner.actions.summerwind.dev
+  rules:
+  - apiGroups:
+    - actions.summerwind.dev
+    apiVersions:
+    - v1alpha1
+    operations:
+    - CREATE
+    - UPDATE
+    resources:
+    - runners
+  sideEffects: None
+- admissionReviewVersions:
+  - v1beta1
+  clientConfig:
+    service:
+      name: webhook-service
+      namespace: system
+      path: /mutate-actions-summerwind-dev-v1alpha1-runnerdeployment
+  failurePolicy: Fail
+  name: mutate.runnerdeployment.actions.summerwind.dev
+  rules:
+  - apiGroups:
+    - actions.summerwind.dev
+    apiVersions:
+    - v1alpha1
+    operations:
+    - CREATE
+    - UPDATE
+    resources:
+    - runnerdeployments
+  sideEffects: None
+- admissionReviewVersions:
+  - v1beta1
+  clientConfig:
+    service:
+      name: webhook-service
+      namespace: system
+      path: /mutate-actions-summerwind-dev-v1alpha1-runnerreplicaset
+  failurePolicy: Fail
+  name: mutate.runnerreplicaset.actions.summerwind.dev
+  rules:
+  - apiGroups:
+    - actions.summerwind.dev
+    apiVersions:
+    - v1alpha1
+    operations:
+    - CREATE
+    - UPDATE
+    resources:
+    - runnerreplicasets
+  sideEffects: None
 - admissionReviewVersions:
   - v1beta1
   clientConfig:
@@ -25,3 +85,71 @@ webhooks:
     resources:
     - pods
   sideEffects: None
+
+---
+apiVersion: admissionregistration.k8s.io/v1
+kind: ValidatingWebhookConfiguration
+metadata:
+  creationTimestamp: null
+  name: validating-webhook-configuration
+webhooks:
+- admissionReviewVersions:
+  - v1beta1
+  clientConfig:
+    service:
+      name: webhook-service
+      namespace: system
+      path: /validate-actions-summerwind-dev-v1alpha1-runner
+  failurePolicy: Fail
+  name: validate.runner.actions.summerwind.dev
+  rules:
+  - apiGroups:
+    - actions.summerwind.dev
+    apiVersions:
+    - v1alpha1
+    operations:
+    - CREATE
+    - UPDATE
+    resources:
+    - runners
+  sideEffects: None
+- admissionReviewVersions:
+  - v1beta1
+  clientConfig:
+    service:
+      name: webhook-service
+      namespace: system
+      path: /validate-actions-summerwind-dev-v1alpha1-runnerdeployment
+  failurePolicy: Fail
+  name: validate.runnerdeployment.actions.summerwind.dev
+  rules:
+  - apiGroups:
+    - actions.summerwind.dev
+    apiVersions:
+    - v1alpha1
+    operations:
+    - CREATE
+    - UPDATE
+    resources:
+    - runnerdeployments
+  sideEffects: None
+- admissionReviewVersions:
+  - v1beta1
+  clientConfig:
+    service:
+      name: webhook-service
+      namespace: system
+      path: /validate-actions-summerwind-dev-v1alpha1-runnerreplicaset
+  failurePolicy: Fail
+  name: validate.runnerreplicaset.actions.summerwind.dev
+  rules:
+  - apiGroups:
+    - actions.summerwind.dev
+    apiVersions:
+    - v1alpha1
+    operations:
+    - CREATE
+    - UPDATE
+    resources:
+    - runnerreplicasets
+  sideEffects: None

controllers/horizontal_runner_autoscaler_webhook.go

@@ -29,7 +29,7 @@ import (
 	"sigs.k8s.io/controller-runtime/pkg/reconcile"
 
 	"github.com/go-logr/logr"
-	gogithub "github.com/google/go-github/v33/github"
+	gogithub "github.com/google/go-github/v37/github"
 	"k8s.io/apimachinery/pkg/runtime"
 	"k8s.io/client-go/tools/record"
 	ctrl "sigs.k8s.io/controller-runtime"
@@ -183,6 +183,45 @@ func (autoscaler *HorizontalRunnerAutoscalerGitHubWebhook) Handle(w http.Respons
 				"action", e.GetAction(),
 			)
 		}
+	case *gogithub.WorkflowJobEvent:
+		if workflowJob := e.GetWorkflowJob(); workflowJob != nil {
+			log = log.WithValues(
+				"workflowJob.status", workflowJob.GetStatus(),
+				"workflowJob.labels", workflowJob.Labels,
+				"repository.name", e.Repo.GetName(),
+				"repository.owner.login", e.Repo.Owner.GetLogin(),
+				"repository.owner.type", e.Repo.Owner.GetType(),
+				"action", e.GetAction(),
+			)
+		}
+
+		labels := e.WorkflowJob.Labels
+
+		switch e.GetAction() {
+		case "queued", "completed":
+			target, err = autoscaler.getJobScaleUpTargetForRepoOrOrg(
+				context.TODO(),
+				log,
+				e.Repo.GetName(),
+				e.Repo.Owner.GetLogin(),
+				e.Repo.Owner.GetType(),
+				labels,
+			)
+
+			if target != nil {
+				if e.GetAction() == "queued" {
+					target.Amount = 1
+				} else if e.GetAction() == "completed" {
+					// A nagative amount is processed in the tryScale func as a scale-down request,
+					// that erasese the oldest CapacityReservation with the same amount.
+					// If the first CapacityReservation was with Replicas=1, this negative scale target erases that,
+					// so that the resulting desired replicas decreases by 1.
+					target.Amount = -1
+				}
+			}
+		default:
+
+		}
 	case *gogithub.PingEvent:
 		ok = true
 
@@ -227,7 +266,7 @@ func (autoscaler *HorizontalRunnerAutoscalerGitHubWebhook) Handle(w http.Respons
 		return
 	}
 
-	if err := autoscaler.tryScaleUp(context.TODO(), target); err != nil {
+	if err := autoscaler.tryScale(context.TODO(), target); err != nil {
 		log.Error(err, "could not scale up")
 
 		return
@@ -237,7 +276,7 @@ func (autoscaler *HorizontalRunnerAutoscalerGitHubWebhook) Handle(w http.Respons
 
 	w.WriteHeader(http.StatusOK)
 
-	msg := fmt.Sprintf("scaled %s by 1", target.Name)
+	msg := fmt.Sprintf("scaled %s by %d", target.Name, target.Amount)
 
 	autoscaler.Log.Info(msg)
 
@@ -394,7 +433,137 @@ func (autoscaler *HorizontalRunnerAutoscalerGitHubWebhook) getScaleUpTarget(ctx
 	return nil, nil
 }
 
-func (autoscaler *HorizontalRunnerAutoscalerGitHubWebhook) tryScaleUp(ctx context.Context, target *ScaleTarget) error {
+func (autoscaler *HorizontalRunnerAutoscalerGitHubWebhook) getJobScaleUpTargetForRepoOrOrg(ctx context.Context, log logr.Logger, repo, owner, ownerType string, labels []string) (*ScaleTarget, error) {
+	repositoryRunnerKey := owner + "/" + repo
+
+	if target, err := autoscaler.getJobScaleTarget(ctx, repositoryRunnerKey, labels); err != nil {
+		log.Info("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)
+		return target, nil
+	}
+
+	if ownerType == "User" {
+		log.V(1).Info("no repository runner found", "organization", owner)
+
+		return nil, nil
+	}
+
+	if target, err := autoscaler.getJobScaleTarget(ctx, owner, labels); err != nil {
+		log.Info("finding organizational runner", "organization", owner)
+		return nil, err
+	} else if target != nil {
+		log.Info("job scale up target is organizational runners", "organization", owner)
+		return target, nil
+	} else {
+		log.V(1).Info("no repository runner or organizational runner found",
+			"repository", repositoryRunnerKey,
+			"organization", owner,
+		)
+	}
+
+	return nil, nil
+}
+
+func (autoscaler *HorizontalRunnerAutoscalerGitHubWebhook) getJobScaleTarget(ctx context.Context, name string, labels []string) (*ScaleTarget, error) {
+	hras, err := autoscaler.findHRAsByKey(ctx, name)
+	if err != nil {
+		return nil, err
+	}
+
+	autoscaler.Log.V(1).Info(fmt.Sprintf("Found %d HRAs by key", len(hras)), "key", name)
+
+HRA:
+	for _, hra := range hras {
+		if !hra.ObjectMeta.DeletionTimestamp.IsZero() {
+			continue
+		}
+
+		if len(hra.Spec.ScaleUpTriggers) > 1 {
+			autoscaler.Log.V(1).Info("Skipping this HRA as it has too many ScaleUpTriggers to be used in workflow_job based scaling", "hra", hra.Name)
+
+			continue
+		}
+
+		var duration metav1.Duration
+
+		if len(hra.Spec.ScaleUpTriggers) > 0 {
+			duration = hra.Spec.ScaleUpTriggers[0].Duration
+		}
+
+		if duration.Duration <= 0 {
+			// Try to release the reserved capacity after at least 10 minutes by default,
+			// we won't end up in the reserved capacity remained forever in case GitHub somehow stopped sending us "completed" workflow_job events.
+			// GitHub usually send us those but nothing is 100% guaranteed, e.g. in case of something went wrong on GitHub :)
+			// Probably we'd better make this configurable via custom resources in the future?
+			duration.Duration = 10 * time.Minute
+		}
+
+		switch hra.Spec.ScaleTargetRef.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 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
+				for _, l2 := range rs.Spec.Labels {
+					if l == l2 {
+						matched = true
+						break
+					}
+				}
+
+				if !matched {
+					continue HRA
+				}
+			}
+
+			return &ScaleTarget{HorizontalRunnerAutoscaler: hra, ScaleUpTrigger: v1alpha1.ScaleUpTrigger{Duration: duration}}, nil
+		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 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
+				for _, l2 := range rd.Spec.Template.Labels {
+					if l == l2 {
+						matched = true
+						break
+					}
+				}
+
+				if !matched {
+					continue HRA
+				}
+			}
+
+			return &ScaleTarget{HorizontalRunnerAutoscaler: hra, ScaleUpTrigger: v1alpha1.ScaleUpTrigger{Duration: duration}}, nil
+		default:
+			return nil, fmt.Errorf("unsupported scaleTargetRef.kind: %v", hra.Spec.ScaleTargetRef.Kind)
+		}
+	}
+
+	return nil, nil
+}
+
+func (autoscaler *HorizontalRunnerAutoscalerGitHubWebhook) tryScale(ctx context.Context, target *ScaleTarget) error {
 	if target == nil {
 		return nil
 	}
@@ -403,16 +572,38 @@ func (autoscaler *HorizontalRunnerAutoscalerGitHubWebhook) tryScaleUp(ctx contex
 
 	amount := 1
 
-	if target.ScaleUpTrigger.Amount > 0 {
+	if target.ScaleUpTrigger.Amount != 0 {
 		amount = target.ScaleUpTrigger.Amount
 	}
 
 	capacityReservations := getValidCapacityReservations(copy)
 
-	copy.Spec.CapacityReservations = append(capacityReservations, v1alpha1.CapacityReservation{
-		ExpirationTime: metav1.Time{Time: time.Now().Add(target.ScaleUpTrigger.Duration.Duration)},
-		Replicas:       amount,
-	})
+	if amount > 0 {
+		copy.Spec.CapacityReservations = append(capacityReservations, v1alpha1.CapacityReservation{
+			ExpirationTime: metav1.Time{Time: time.Now().Add(target.ScaleUpTrigger.Duration.Duration)},
+			Replicas:       amount,
+		})
+	} else if amount < 0 {
+		var reservations []v1alpha1.CapacityReservation
+
+		var found bool
+
+		for _, r := range capacityReservations {
+			if !found && r.Replicas+amount == 0 {
+				found = true
+			} else {
+				reservations = append(reservations, r)
+			}
+		}
+
+		copy.Spec.CapacityReservations = reservations
+	}
+
+	autoscaler.Log.Info(
+		"Patching hra for capacityReservations update",
+		"before", target.HorizontalRunnerAutoscaler.Spec.CapacityReservations,
+		"after", copy.Spec.CapacityReservations,
+	)
 
 	if err := autoscaler.Client.Patch(ctx, copy, client.MergeFrom(&target.HorizontalRunnerAutoscaler)); err != nil {
 		return fmt.Errorf("patching horizontalrunnerautoscaler to add capacity reservation: %w", err)
@@ -450,13 +641,26 @@ func (autoscaler *HorizontalRunnerAutoscalerGitHubWebhook) SetupWithManager(mgr
 			return nil
 		}
 
-		var rd v1alpha1.RunnerDeployment
+		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 {
-			return nil
+			if err := autoscaler.Client.Get(context.Background(), types.NamespacedName{Namespace: hra.Namespace, Name: hra.Spec.ScaleTargetRef.Name}, &rd); err != nil {
+				return nil
+			}
+
+			return []string{rd.Spec.Template.Spec.Repository, rd.Spec.Template.Spec.Organization}
+		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 nil
+			}
+
+			return []string{rs.Spec.Repository, rs.Spec.Organization}
 		}
 
-		return []string{rd.Spec.Template.Spec.Repository, rd.Spec.Template.Spec.Organization}
+		return nil
 	}); err != nil {
 		return err
 	}

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/v33/github"
+	"github.com/google/go-github/v37/github"
 )
 
 func (autoscaler *HorizontalRunnerAutoscalerGitHubWebhook) MatchCheckRunEvent(event *github.CheckRunEvent) func(scaleUpTrigger v1alpha1.ScaleUpTrigger) bool {
@@ -38,6 +38,16 @@ func (autoscaler *HorizontalRunnerAutoscalerGitHubWebhook) MatchCheckRunEvent(ev
 			return false
 		}
 
+		if len(scaleUpTrigger.GitHubEvent.CheckRun.Repositories) > 0 {
+			for _, repository := range scaleUpTrigger.GitHubEvent.CheckRun.Repositories {
+				if repository == *event.Repo.Name {
+					return true
+				}
+			}
+
+			return false
+		}
+
 		return true
 	}
 }

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/v33/github"
+	"github.com/google/go-github/v37/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/v33/github"
+	"github.com/google/go-github/v37/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/v33/github"
+	"github.com/google/go-github/v37/github"
 	metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
 	"k8s.io/apimachinery/pkg/runtime"
 	clientgoscheme "k8s.io/client-go/kubernetes/scheme"

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/v33/github"
+	"github.com/google/go-github/v37/github"
 
 	"github.com/actions-runner-controller/actions-runner-controller/github/fake"
 
@@ -486,8 +486,9 @@ var _ = Context("INTEGRATION: Inside of a new namespace", func() {
 							{
 								GitHubEvent: &actionsv1alpha1.GitHubEventScaleUpTriggerSpec{
 									CheckRun: &actionsv1alpha1.CheckRunSpec{
-										Types:  []string{"created"},
-										Status: "pending",
+										Types:        []string{"created"},
+										Status:       "pending",
+										Repositories: []string{"valid", "foo", "bar"},
 									},
 								},
 								Amount:   1,
@@ -517,12 +518,23 @@ var _ = Context("INTEGRATION: Inside of a new namespace", func() {
 			}
 
 			// Scale-up to 5 replicas on second check_run create webhook event
+			replicasAfterSecondWebhook := 5
 			{
 				env.SendOrgCheckRunEvent("test", "valid", "pending", "created")
-				ExpectRunnerSetsManagedReplicasCountEventuallyEquals(ctx, ns.Name, 5, "runners after second webhook event")
-				env.ExpectRegisteredNumberCountEventuallyEquals(5, "count of fake list runners")
+				ExpectRunnerSetsManagedReplicasCountEventuallyEquals(ctx, ns.Name, replicasAfterSecondWebhook, "runners after second webhook event")
+				env.ExpectRegisteredNumberCountEventuallyEquals(replicasAfterSecondWebhook, "count of fake list runners")
 				env.SyncRunnerRegistrations()
-				ExpectRunnerCountEventuallyEquals(ctx, ns.Name, 5)
+				ExpectRunnerCountEventuallyEquals(ctx, ns.Name, replicasAfterSecondWebhook)
+			}
+
+			// Do not scale-up on third check_run create webhook event
+			// example repo is not in specified in actionsv1alpha1.CheckRunSpec.Repositories
+			{
+				env.SendOrgCheckRunEvent("test", "example", "pending", "created")
+				ExpectRunnerSetsManagedReplicasCountEventuallyEquals(ctx, ns.Name, replicasAfterSecondWebhook, "runners after third webhook event")
+				env.ExpectRegisteredNumberCountEventuallyEquals(replicasAfterSecondWebhook, "count of fake list runners")
+				env.SyncRunnerRegistrations()
+				ExpectRunnerCountEventuallyEquals(ctx, ns.Name, replicasAfterSecondWebhook)
 			}
 		})
 

controllers/runner_controller.go

@@ -24,7 +24,7 @@ import (
 	"time"
 
 	"github.com/actions-runner-controller/actions-runner-controller/hash"
-	gogithub "github.com/google/go-github/v33/github"
+	gogithub "github.com/google/go-github/v37/github"
 	"k8s.io/apimachinery/pkg/util/wait"
 
 	"github.com/go-logr/logr"
@@ -66,6 +66,7 @@ type RunnerReconciler struct {
 	GitHubClient                *github.Client
 	RunnerImage                 string
 	DockerImage                 string
+	DockerRegistryMirror        string
 	Name                        string
 	RegistrationRecheckInterval time.Duration
 	RegistrationRecheckJitter   time.Duration
@@ -616,11 +617,15 @@ func (r *RunnerReconciler) newPod(runner v1alpha1.Runner) (corev1.Pod, error) {
 			EnvFrom:         runner.Spec.EnvFrom,
 			Env:             runner.Spec.Env,
 			Resources:       runner.Spec.Resources,
-		}, corev1.Container{
-			Name:         "docker",
-			VolumeMounts: runner.Spec.DockerVolumeMounts,
-			Resources:    runner.Spec.DockerdContainerResources,
 		})
+
+		if runner.Spec.DockerdWithinRunnerContainer == nil || !*runner.Spec.DockerdWithinRunnerContainer {
+			template.Spec.Containers = append(template.Spec.Containers, corev1.Container{
+				Name:         "docker",
+				VolumeMounts: runner.Spec.DockerVolumeMounts,
+				Resources:    runner.Spec.DockerdContainerResources,
+			})
+		}
 	} else {
 		template.Spec.Containers = runner.Spec.Containers
 	}
@@ -630,7 +635,7 @@ 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.GitHubClient.GithubBaseURL, registrationOnly)
+	pod, err := newRunnerPod(template, runner.Spec.RunnerConfig, r.RunnerImage, r.DockerImage, r.DockerRegistryMirror, r.GitHubClient.GithubBaseURL, registrationOnly)
 	if err != nil {
 		return pod, err
 	}
@@ -724,7 +729,7 @@ func mutatePod(pod *corev1.Pod, token string) *corev1.Pod {
 	return updated
 }
 
-func newRunnerPod(template corev1.Pod, runnerSpec v1alpha1.RunnerConfig, defaultRunnerImage, defaultDockerImage, githubBaseURL string, registrationOnly bool) (corev1.Pod, error) {
+func newRunnerPod(template corev1.Pod, runnerSpec v1alpha1.RunnerConfig, defaultRunnerImage, defaultDockerImage, defaultDockerRegistryMirror string, githubBaseURL string, registrationOnly bool) (corev1.Pod, error) {
 	var (
 		privileged                bool = true
 		dockerdInRunner           bool = runnerSpec.DockerdWithinRunnerContainer != nil && *runnerSpec.DockerdWithinRunnerContainer
@@ -733,16 +738,18 @@ func newRunnerPod(template corev1.Pod, runnerSpec v1alpha1.RunnerConfig, default
 		dockerdInRunnerPrivileged bool = dockerdInRunner
 	)
 
-	runnerImage := runnerSpec.Image
-	if runnerImage == "" {
-		runnerImage = defaultRunnerImage
-	}
-
 	workDir := runnerSpec.WorkDir
 	if workDir == "" {
 		workDir = "/runner/_work"
 	}
 
+	var dockerRegistryMirror string
+	if runnerSpec.DockerRegistryMirror == nil {
+		dockerRegistryMirror = defaultDockerRegistryMirror
+	} else {
+		dockerRegistryMirror = *runnerSpec.DockerRegistryMirror
+	}
+
 	env := []corev1.EnvVar{
 		{
 			Name:  EnvVarOrg,
@@ -831,7 +838,13 @@ func newRunnerPod(template corev1.Pod, runnerSpec v1alpha1.RunnerConfig, default
 		}
 	}
 
-	runnerContainer.Image = runnerImage
+	if runnerSpec.Image != "" {
+		runnerContainer.Image = runnerSpec.Image
+	}
+	if runnerContainer.Image == "" {
+		runnerContainer.Image = defaultRunnerImage
+	}
+
 	if runnerContainer.ImagePullPolicy == "" {
 		runnerContainer.ImagePullPolicy = corev1.PullAlways
 	}
@@ -859,11 +872,11 @@ func newRunnerPod(template corev1.Pod, runnerSpec v1alpha1.RunnerConfig, default
 		}...)
 	}
 
-	if mirror := runnerSpec.DockerRegistryMirror; mirror != nil && dockerdInRunner {
+	if dockerRegistryMirror != "" && dockerdInRunner {
 		runnerContainer.Env = append(runnerContainer.Env, []corev1.EnvVar{
 			{
 				Name:  "DOCKER_REGISTRY_MIRROR",
-				Value: *runnerSpec.DockerRegistryMirror,
+				Value: dockerRegistryMirror,
 			},
 		}...)
 	}
@@ -874,32 +887,49 @@ func newRunnerPod(template corev1.Pod, runnerSpec v1alpha1.RunnerConfig, default
 	// When you're NOT using dindWithinRunner=true,
 	// it must also be shared with the dind container as it seems like required to run docker steps.
 	//
+	// Setting VolumeSizeLimit to zero will disable /runner emptydir mount
+	//
+	// VolumeStorageMedium defines ways that storage can be allocated to a volume: "", "Memory", "HugePages", "HugePages-<size>"
+	//
 
 	runnerVolumeName := "runner"
 	runnerVolumeMountPath := "/runner"
 	runnerVolumeEmptyDir := &corev1.EmptyDirVolumeSource{}
 
+	if runnerSpec.VolumeStorageMedium != nil {
+		runnerVolumeEmptyDir.Medium = corev1.StorageMedium(*runnerSpec.VolumeStorageMedium)
+	}
+
 	if runnerSpec.VolumeSizeLimit != nil {
 		runnerVolumeEmptyDir.SizeLimit = runnerSpec.VolumeSizeLimit
 	}
 
-	pod.Spec.Volumes = append(pod.Spec.Volumes,
-		corev1.Volume{
-			Name: runnerVolumeName,
-			VolumeSource: corev1.VolumeSource{
-				EmptyDir: runnerVolumeEmptyDir,
+	if runnerSpec.VolumeSizeLimit == nil || !runnerSpec.VolumeSizeLimit.IsZero() {
+		pod.Spec.Volumes = append(pod.Spec.Volumes,
+			corev1.Volume{
+				Name: runnerVolumeName,
+				VolumeSource: corev1.VolumeSource{
+					EmptyDir: runnerVolumeEmptyDir,
+				},
 			},
-		},
-	)
+		)
 
-	runnerContainer.VolumeMounts = append(runnerContainer.VolumeMounts,
-		corev1.VolumeMount{
-			Name:      runnerVolumeName,
-			MountPath: runnerVolumeMountPath,
-		},
-	)
+		runnerContainer.VolumeMounts = append(runnerContainer.VolumeMounts,
+			corev1.VolumeMount{
+				Name:      runnerVolumeName,
+				MountPath: runnerVolumeMountPath,
+			},
+		)
+	}
 
 	if !dockerdInRunner && dockerEnabled {
+		if runnerSpec.VolumeSizeLimit != nil && runnerSpec.VolumeSizeLimit.IsZero() {
+			return *pod, fmt.Errorf(
+				"%s volume can't be disabled because it is required to share the working directory between the runner and the dockerd containers",
+				runnerVolumeName,
+			)
+		}
+
 		pod.Spec.Volumes = append(pod.Spec.Volumes,
 			corev1.Volume{
 				Name: "work",
@@ -990,9 +1020,9 @@ func newRunnerPod(template corev1.Pod, runnerSpec v1alpha1.RunnerConfig, default
 			)
 		}
 
-		if mirror := runnerSpec.DockerRegistryMirror; mirror != nil {
+		if dockerRegistryMirror != "" {
 			dockerdContainer.Args = append(dockerdContainer.Args,
-				fmt.Sprintf("--registry-mirror=%s", *runnerSpec.DockerRegistryMirror),
+				fmt.Sprintf("--registry-mirror=%s", dockerRegistryMirror),
 			)
 		}
 	}

controllers/runner_pod_controller.go

@@ -22,7 +22,7 @@ import (
 	"fmt"
 	"time"
 
-	gogithub "github.com/google/go-github/v33/github"
+	gogithub "github.com/google/go-github/v37/github"
 	"k8s.io/apimachinery/pkg/util/wait"
 
 	"github.com/go-logr/logr"

controllers/runnerreplicaset_controller.go

@@ -23,7 +23,7 @@ import (
 	"reflect"
 	"time"
 
-	gogithub "github.com/google/go-github/v33/github"
+	gogithub "github.com/google/go-github/v37/github"
 
 	"github.com/go-logr/logr"
 	kerrors "k8s.io/apimachinery/pkg/api/errors"

controllers/runnerset_controller.go

@@ -51,9 +51,11 @@ type RunnerSetReconciler struct {
 	Recorder record.EventRecorder
 	Scheme   *runtime.Scheme
 
-	CommonRunnerLabels       []string
-	GitHubBaseURL            string
-	RunnerImage, DockerImage string
+	CommonRunnerLabels   []string
+	GitHubBaseURL        string
+	RunnerImage          string
+	DockerImage          string
+	DockerRegistryMirror string
 }
 
 // +kubebuilder:rbac:groups=actions.summerwind.dev,resources=runnersets,verbs=get;list;watch;create;update;patch;delete
@@ -257,7 +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.GitHubBaseURL, false)
+	pod, err := newRunnerPod(template, runnerSet.Spec.RunnerConfig, r.RunnerImage, r.DockerImage, r.DockerRegistryMirror, r.GitHubBaseURL, false)
 	if err != nil {
 		return nil, err
 	}

github/fake/runners.go

@@ -8,7 +8,7 @@ import (
 
 	"github.com/actions-runner-controller/actions-runner-controller/api/v1alpha1"
 
-	"github.com/google/go-github/v33/github"
+	"github.com/google/go-github/v37/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/v33/github"
+	"github.com/google/go-github/v37/github"
 	"golang.org/x/oauth2"
 )
 

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/v33/github"
+	"github.com/google/go-github/v37/github"
 )
 
 var server *httptest.Server

go.mod

@@ -3,38 +3,25 @@ module github.com/actions-runner-controller/actions-runner-controller
 go 1.15
 
 require (
-	github.com/armon/consul-api v0.0.0-20180202201655-eb2c6b5be1b6 // indirect
 	github.com/bradleyfalzon/ghinstallation v1.1.1
-	github.com/coreos/etcd v3.3.15+incompatible // indirect
-	github.com/coreos/go-etcd v2.0.0+incompatible // indirect
-	github.com/cpuguy83/go-md2man v1.0.10 // indirect
 	github.com/davecgh/go-spew v1.1.1
-	github.com/docker/docker v0.7.3-0.20190327010347-be7ac8be2ae0 // indirect
-	github.com/docker/spdystream v0.0.0-20160310174837-449fdfce4d96 // indirect
 	github.com/go-logr/logr v0.4.0
-	github.com/go-openapi/validate v0.19.2 // indirect
-	github.com/google/go-cmp v0.5.5
-	github.com/google/go-github/v33 v33.0.1-0.20210204004227-319dcffb518a
-	github.com/gophercloud/gophercloud v0.1.0 // indirect
+	github.com/google/go-cmp v0.5.6
+	github.com/google/go-github/v37 v37.0.0
 	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/prometheus/client_golang v1.11.0
 	github.com/teambition/rrule-go v1.6.2
-	github.com/ugorji/go/codec v0.0.0-20181204163529-d75b2dcb6bc8 // indirect
-	github.com/xordataexchange/crypt v0.0.3-0.20170626215501-b2862e3d0a77 // indirect
-	go.uber.org/zap v1.17.0
-	golang.org/x/oauth2 v0.0.0-20200107190931-bf48bf16ab8d
+	go.uber.org/zap v1.19.0
+	golang.org/x/oauth2 v0.0.0-20210819190943-2bc19b11175f
 	gomodules.xyz/jsonpatch/v2 v2.2.0
-	gonum.org/v1/netlib v0.0.0-20190331212654-76723241ea4e // indirect
-	gotest.tools v2.2.0+incompatible // indirect
 	k8s.io/api v0.21.1
 	k8s.io/apimachinery v0.21.1
 	k8s.io/client-go v0.21.1
-	k8s.io/klog v0.4.0 // indirect
 	sigs.k8s.io/controller-runtime v0.9.0
-	sigs.k8s.io/structured-merge-diff v0.0.0-20190817042607-6149e4549fca // indirect
-	sigs.k8s.io/testing_frameworks v0.1.2 // indirect
-	sigs.k8s.io/yaml v1.2.0 // indirect
+	sigs.k8s.io/yaml v1.2.0
 )
+
+replace github.com/google/go-github/v37 => github.com/mumoshu/go-github/v37 v37.0.100

go.sum

@@ -1,6 +1,5 @@
 cloud.google.com/go v0.26.0/go.mod h1:aQUYkXzVsufM+DwF1aE+0xfcU+56JwCaLick0ClmMTw=
 cloud.google.com/go v0.34.0/go.mod h1:aQUYkXzVsufM+DwF1aE+0xfcU+56JwCaLick0ClmMTw=
-cloud.google.com/go v0.38.0 h1:ROfEUZz+Gh5pa62DJWXSaonyu3StP6EA6lPEXPI6mCo=
 cloud.google.com/go v0.38.0/go.mod h1:990N+gfupTy94rShfmMCWGDn0LpTmnzTp2qbd1dvSRU=
 cloud.google.com/go v0.44.1/go.mod h1:iSa0KzasP4Uvy3f1mN/7PiObzGgflwredwwASm/v6AU=
 cloud.google.com/go v0.44.2/go.mod h1:60680Gw3Yr4ikxnPRS/oxxkBccT6SA1yMk63TGekxKY=
@@ -11,43 +10,44 @@ cloud.google.com/go v0.52.0/go.mod h1:pXajvRH/6o3+F9jDHZWQ5PbGhn+o8w9qiu/CffaVdO
 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/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=
+cloud.google.com/go/bigquery v1.5.0/go.mod h1:snEHRnqQbz117VIFhE8bmtwIDY80NLUZUMb4Nv6dBIg=
+cloud.google.com/go/bigquery v1.7.0/go.mod h1://okPTzCYNXSlb24MZs83e2Do+h+VXtc4gLoIoXIAPc=
+cloud.google.com/go/bigquery v1.8.0/go.mod h1:J5hqkt3O0uAFnINi6JXValWIb1v0goeZM77hZzJN/fQ=
 cloud.google.com/go/datastore v1.0.0/go.mod h1:LXYbyblFSglQ5pkeyhO+Qmw7ukd3C+pD7TKLgZqpHYE=
 cloud.google.com/go/datastore v1.1.0/go.mod h1:umbIZjpQpHh4hmRpGhH4tLFup+FVzqBi1b3c64qFpCk=
 cloud.google.com/go/firestore v1.1.0/go.mod h1:ulACoGHTpvq5r8rxGJ4ddJZBZqakUQqClKRT5SZwBmk=
 cloud.google.com/go/pubsub v1.0.1/go.mod h1:R0Gpsv3s54REJCy4fxDixWD93lHJMoZTyQ2kNxGRt3I=
 cloud.google.com/go/pubsub v1.1.0/go.mod h1:EwwdRX2sKPjnvnqCa270oGRyludottCI76h+R3AArQw=
 cloud.google.com/go/pubsub v1.2.0/go.mod h1:jhfEVHT8odbXTkndysNHCcx0awwzvfOlguIAii9o8iA=
+cloud.google.com/go/pubsub v1.3.1/go.mod h1:i+ucay31+CNRpDW4Lu78I4xXG+O1r/MAHgjpRVR+TSU=
 cloud.google.com/go/storage v1.0.0/go.mod h1:IhtSnM/ZTZV8YYJWCY8RULGVqBDmpoyjwiyrjsg+URw=
 cloud.google.com/go/storage v1.5.0/go.mod h1:tpKbwo567HUNpVclU5sGELwQWBDZ8gh0ZeosJ0Rtdos=
 cloud.google.com/go/storage v1.6.0/go.mod h1:N7U0C8pVQ/+NIKOBQyamJIeKQKkZ+mxpohlUTyfDhBk=
+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-autorest v14.2.0+incompatible/go.mod h1:r+4oMnoxhatjLLJ6zxSWATqVooLgysK6ZNox3g/xq24=
-github.com/Azure/go-autorest/autorest v0.9.0/go.mod h1:xyHB1BMZT0cuDHU7I0+g046+BFDTQ8rEZB0s4Yfa6bI=
 github.com/Azure/go-autorest/autorest v0.11.12/go.mod h1:eipySxLmqSyC5s5k1CLupqet0PSENBEDP93LQ9a8QYw=
-github.com/Azure/go-autorest/autorest/adal v0.5.0/go.mod h1:8Z9fGy2MpX0PvDjB1pEgQTmVqjGhiHBW7RJJEciWzS0=
 github.com/Azure/go-autorest/autorest/adal v0.9.5/go.mod h1:B7KF7jKIeC9Mct5spmyCB/A8CG/sEz1vwIRGv/bbw7A=
-github.com/Azure/go-autorest/autorest/date v0.1.0/go.mod h1:plvfp3oPSKwf2DNjlBjWF/7vwR+cUD/ELuzDCXwHUVA=
 github.com/Azure/go-autorest/autorest/date v0.3.0/go.mod h1:BI0uouVdmngYNUzGWeSYnokU+TrmwEsOqdt8Y6sso74=
-github.com/Azure/go-autorest/autorest/mocks v0.1.0/go.mod h1:OTyCOPRA2IgIlWxVYxBee2F5Gr4kF2zd2J5cFRaIDN0=
-github.com/Azure/go-autorest/autorest/mocks v0.2.0/go.mod h1:OTyCOPRA2IgIlWxVYxBee2F5Gr4kF2zd2J5cFRaIDN0=
 github.com/Azure/go-autorest/autorest/mocks v0.4.1/go.mod h1:LTp+uSrOhSkaKrUy935gNZuuIPPVsHlr9DSOxSayd+k=
-github.com/Azure/go-autorest/logger v0.1.0/go.mod h1:oExouG+K6PryycPJfVSxi/koC6LSNgds39diKLz7Vrc=
 github.com/Azure/go-autorest/logger v0.2.0/go.mod h1:T9E3cAhj2VqvPOtCYAvby9aBXkZmbF5NWuPV8+WeEW8=
-github.com/Azure/go-autorest/tracing v0.5.0/go.mod h1:r/s2XiOKccPW3HrqB+W0TQzfbtp2fGCgRFtBroKn4Dk=
 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=
 github.com/NYTimes/gziphandler v0.0.0-20170623195520-56545f4a5d46/go.mod h1:3wb06e3pkSAbeQ52E9H9iFoQsEEwGN64994WTCIhntQ=
 github.com/NYTimes/gziphandler v1.1.1/go.mod h1:n/CVRwUEOgIxrgPvAQhUUr9oeUtvrhMomdKFjzJNB0c=
 github.com/OneOfOne/xxhash v1.2.2/go.mod h1:HSdplMjZKSmBqAxg5vPj2TmRDmfkzw+cTzAElWljhcU=
-github.com/PuerkitoBio/purell v1.0.0/go.mod h1:c11w/QuzBsJSee3cPx9rAFu61PvFxuPbtSwDGJws/X0=
-github.com/PuerkitoBio/purell v1.1.0/go.mod h1:c11w/QuzBsJSee3cPx9rAFu61PvFxuPbtSwDGJws/X0=
 github.com/PuerkitoBio/purell v1.1.1/go.mod h1:c11w/QuzBsJSee3cPx9rAFu61PvFxuPbtSwDGJws/X0=
-github.com/PuerkitoBio/urlesc v0.0.0-20160726150825-5bd2802263f2/go.mod h1:uGdkoq3SwY9Y+13GIhn11/XLaGBb4BfwItxLd5jeuXE=
 github.com/PuerkitoBio/urlesc v0.0.0-20170810143723-de5bf2ad4578/go.mod h1:uGdkoq3SwY9Y+13GIhn11/XLaGBb4BfwItxLd5jeuXE=
 github.com/alecthomas/template v0.0.0-20160405071501-a0175ee3bccc/go.mod h1:LOuyumcjzFXgccqObfd/Ljyb9UuFJ6TxHnclSeseNhc=
 github.com/alecthomas/template v0.0.0-20190718012654-fb15b899a751/go.mod h1:LOuyumcjzFXgccqObfd/Ljyb9UuFJ6TxHnclSeseNhc=
@@ -55,19 +55,16 @@ github.com/alecthomas/units v0.0.0-20151022065526-2efee857e7cf/go.mod h1:ybxpYRF
 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/armon/circbuf v0.0.0-20150827004946-bbbad097214e/go.mod h1:3U/XgcO3hCbHZ8TKRvWD2dDTCfh9M9ya+I9JpbB7O8o=
-github.com/armon/consul-api v0.0.0-20180202201655-eb2c6b5be1b6/go.mod h1:grANhF5doyWs3UAsr3K4I6qtAmlQcZDesFNEHPZAzj8=
 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 v0.0.0-20180720115003-f9ffefc3facf/go.mod h1:lB+ZfQJz7igIIfQNfa7Ml4HSf2uFQQRzpGGRXenZAgY=
 github.com/asaskevich/govalidator v0.0.0-20190424111038-f61b66f89f4a/go.mod h1:lB+ZfQJz7igIIfQNfa7Ml4HSf2uFQQRzpGGRXenZAgY=
-github.com/beorn7/perks v0.0.0-20180321164747-3a771d992973 h1:xJ4a3vCFaGF/jqvzLMYoU8P317H5OQ+Via4RmuPwCS0=
+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=
 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/blang/semver v3.5.0+incompatible/go.mod h1:kRBLl5iJ+tD4TcOOxsy/0fnwebNt5EWlYSAyrTnjyyk=
 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=
@@ -80,62 +77,47 @@ github.com/chzyer/logex v1.1.10/go.mod h1:+Ywpsq7O8HXn0nuIou7OrIPyXbp3wmkHB+jjWR
 github.com/chzyer/readline v0.0.0-20180603132655-2972be24d48e/go.mod h1:nSuG5e5PlCu98SY8svDHJxuZscDgtXS6KTTbou5AhLI=
 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/coreos/bbolt v1.3.1-coreos.6/go.mod h1:iRUV2dpdMOn7Bo10OQBFzIJO9kkE559Wcmn+qkEiiKk=
 github.com/coreos/bbolt v1.3.2/go.mod h1:iRUV2dpdMOn7Bo10OQBFzIJO9kkE559Wcmn+qkEiiKk=
-github.com/coreos/etcd v3.3.10+incompatible/go.mod h1:uF7uidLiAD3TWHmW31ZFd/JWoc32PjwdhPthX9715RE=
 github.com/coreos/etcd v3.3.13+incompatible/go.mod h1:uF7uidLiAD3TWHmW31ZFd/JWoc32PjwdhPthX9715RE=
-github.com/coreos/etcd v3.3.15+incompatible/go.mod h1:uF7uidLiAD3TWHmW31ZFd/JWoc32PjwdhPthX9715RE=
-github.com/coreos/go-etcd v2.0.0+incompatible/go.mod h1:Jez6KQU2B/sWsbdaef3ED8NzMklzPG4d5KIOhIy30Tk=
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 github.com/coreos/go-semver v0.2.0/go.mod h1:nnelYz7RCh+5ahJtPPxZlU+153eP4D4r3EedlOD2RNk=
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 github.com/coreos/pkg v0.0.0-20160727233714-3ac0863d7acf/go.mod h1:E3G3o1h8I7cfcXa63jLwjI0eiQQMgzzUDFVpN/nH/eA=
-github.com/coreos/pkg v0.0.0-20180108230652-97fdf19511ea/go.mod h1:E3G3o1h8I7cfcXa63jLwjI0eiQQMgzzUDFVpN/nH/eA=
 github.com/coreos/pkg v0.0.0-20180928190104-399ea9e2e55f/go.mod h1:E3G3o1h8I7cfcXa63jLwjI0eiQQMgzzUDFVpN/nH/eA=
-github.com/cpuguy83/go-md2man v1.0.10/go.mod h1:SmD6nW6nTyfqj6ABTjUi3V3JVMnlJmwcJI5acqYI6dE=
 github.com/cpuguy83/go-md2man/v2 v2.0.0/go.mod h1:maD7wRr/U5Z6m/iR4s+kqSMx2CaBsrgA7czyZG/E6dU=
 github.com/creack/pty v1.1.7/go.mod h1:lj5s0c3V2DBrqTV7llrYr5NG6My20zk30Fl46Y7DoTY=
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-github.com/davecgh/go-spew v0.0.0-20151105211317-5215b55f46b2/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
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-github.com/docker/go-units v0.3.3/go.mod h1:fgPhTUdO+D/Jk86RDLlptpiXQzgHJF7gydDDbaIK4Dk=
-github.com/docker/spdystream v0.0.0-20160310174837-449fdfce4d96/go.mod h1:Qh8CwZgvJUkLughtfhJv5dyTYa91l1fOUCrgjqmcifM=
 github.com/docopt/docopt-go v0.0.0-20180111231733-ee0de3bc6815/go.mod h1:WwZ+bS3ebgob9U8Nd0kOddGdZWjyMGR8Wziv+TBNwSE=
 github.com/dustin/go-humanize v0.0.0-20171111073723-bb3d318650d4/go.mod h1:HtrtbFcZ19U5GC7JDqmcUSB87Iq5E25KnS6fMYU6eOk=
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@@ -215,14 +159,14 @@ github.com/golang/mock v1.2.0/go.mod h1:oTYuIxOrZwtPieC+H1uAHpcLFnEyAGVDL/k47Jfb
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@@ -238,59 +182,53 @@ github.com/google/btree v0.0.0-20180813153112-4030bb1f1f0c/go.mod h1:lNA+9X1NB3Z
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@@ -307,7 +245,6 @@ github.com/hashicorp/go-uuid v1.0.0/go.mod h1:6SBZvOh/SIDV7/2o3Jml5SYk/TvGqwFJ/b
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@@ -316,21 +253,16 @@ github.com/hashicorp/logutils v1.0.0/go.mod h1:QIAnNjmIWmVIIkWDTG1z5v++HQmx9WQRO
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@@ -343,25 +275,19 @@ github.com/julienschmidt/httprouter v1.3.0/go.mod h1:JR6WtHb+2LUe8TCKY3cZOxFyyO8
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@@ -369,7 +295,6 @@ github.com/mattn/go-colorable v0.0.9/go.mod h1:9vuHe8Xs5qXnSaW/c/ABM9alt+Vo+STaO
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 github.com/yuin/goldmark v1.2.1/go.mod h1:3hX8gzYuyVAZsxl0MRgGTJEmQBFcNTphYh9decYSb74=
 go.etcd.io/bbolt v1.3.2/go.mod h1:IbVyRI1SCnLcuJnV2u8VeU0CEYM7e686BmAb1XKL+uU=
 go.etcd.io/bbolt v1.3.3/go.mod h1:IbVyRI1SCnLcuJnV2u8VeU0CEYM7e686BmAb1XKL+uU=
@@ -531,33 +434,26 @@ go.opencensus.io v0.21.0/go.mod h1:mSImk1erAIZhrmZN+AvHh14ztQfjbGwt4TtuofqLduU=
 go.opencensus.io v0.22.0/go.mod h1:+kGneAE2xo2IficOXnaByMWTGM9T73dGwxeWcUqIpI8=
 go.opencensus.io v0.22.2/go.mod h1:yxeiOL68Rb0Xd1ddK5vPZ/oVn4vY4Ynel7k9FzqtOIw=
 go.opencensus.io v0.22.3/go.mod h1:yxeiOL68Rb0Xd1ddK5vPZ/oVn4vY4Ynel7k9FzqtOIw=
-go.uber.org/atomic v0.0.0-20181018215023-8dc6146f7569/go.mod h1:gD2HeocX3+yG+ygLZcrzQJaqmWj9AIm7n08wl/qW/PE=
-go.uber.org/atomic v1.3.2 h1:2Oa65PReHzfn29GpvgsYwloV9AVFHPDk8tYxt2c2tr4=
+go.opencensus.io v0.22.4/go.mod h1:yxeiOL68Rb0Xd1ddK5vPZ/oVn4vY4Ynel7k9FzqtOIw=
 go.uber.org/atomic v1.3.2/go.mod h1:gD2HeocX3+yG+ygLZcrzQJaqmWj9AIm7n08wl/qW/PE=
 go.uber.org/atomic v1.4.0/go.mod h1:gD2HeocX3+yG+ygLZcrzQJaqmWj9AIm7n08wl/qW/PE=
 go.uber.org/atomic v1.7.0 h1:ADUqmZGgLDDfbSL9ZmPxKTybcoEYHgpYfELNoN+7hsw=
 go.uber.org/atomic v1.7.0/go.mod h1:fEN4uk6kAWBTFdckzkM89CLk9XfWZrxpCo0nPH17wJc=
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 go.uber.org/multierr v1.1.0/go.mod h1:wR5kodmAFQ0UK8QlbwjlSNy0Z68gJhDJUG5sjR94q/0=
 go.uber.org/multierr v1.6.0 h1:y6IPFStTAIT5Ytl7/XYmHvzXQ7S3g/IeZW9hyZ5thw4=
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+go.uber.org/zap v1.19.0 h1:mZQZefskPPCMIBCSEH0v2/iUqqLrYtaeqwD6FUGUnFE=
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 golang.org/x/crypto v0.0.0-20180904163835-0709b304e793/go.mod h1:6SG95UA2DQfeDnfUPMdvaQW0Q7yPrPDi9nlGo2tz2b4=
 golang.org/x/crypto v0.0.0-20181029021203-45a5f77698d3/go.mod h1:6SG95UA2DQfeDnfUPMdvaQW0Q7yPrPDi9nlGo2tz2b4=
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 golang.org/x/crypto v0.0.0-20190308221718-c2843e01d9a2/go.mod h1:djNgcEr1/C05ACkg1iLfiJU5Ep61QUkGW8qpdssI0+w=
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 golang.org/x/crypto v0.0.0-20190510104115-cbcb75029529/go.mod h1:yigFU9vqHzYiE8UmvKecakEJjdnWj3jj499lnFckfCI=
 golang.org/x/crypto v0.0.0-20190605123033-f99c8df09eb5/go.mod h1:yigFU9vqHzYiE8UmvKecakEJjdnWj3jj499lnFckfCI=
-golang.org/x/crypto v0.0.0-20190611184440-5c40567a22f8 h1:1wopBVtVdWnn03fZelqdXTqk7U7zPQCb+T4rbU9ZEoU=
 golang.org/x/crypto v0.0.0-20190611184440-5c40567a22f8/go.mod h1:yigFU9vqHzYiE8UmvKecakEJjdnWj3jj499lnFckfCI=
 golang.org/x/crypto v0.0.0-20191011191535-87dc89f01550/go.mod h1:yigFU9vqHzYiE8UmvKecakEJjdnWj3jj499lnFckfCI=
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@@ -565,9 +461,7 @@ golang.org/x/crypto v0.0.0-20201002170205-7f63de1d35b0/go.mod h1:LzIPMQfyMNhhGPh
 golang.org/x/crypto v0.0.0-20210220033148-5ea612d1eb83 h1:/ZScEX8SfEmUGRHs0gxpqteO5nfNW6axyZbBdw9A12g=
 golang.org/x/crypto v0.0.0-20210220033148-5ea612d1eb83/go.mod h1:jdWPYTVW3xRLrWPugEBEK3UY2ZEsg3UU495nc5E+M+I=
 golang.org/x/exp v0.0.0-20190121172915-509febef88a4/go.mod h1:CJ0aWSM057203Lf6IL+f9T1iT9GByDxfZKAQTCR3kQA=
-golang.org/x/exp v0.0.0-20190125153040-c74c464bbbf2/go.mod h1:CJ0aWSM057203Lf6IL+f9T1iT9GByDxfZKAQTCR3kQA=
 golang.org/x/exp v0.0.0-20190306152737-a1d7652674e8/go.mod h1:CJ0aWSM057203Lf6IL+f9T1iT9GByDxfZKAQTCR3kQA=
-golang.org/x/exp v0.0.0-20190312203227-4b39c73a6495/go.mod h1:ZjyILWgesfNpC6sMxTJOJm9Kp84zZh5NQWvqDGG3Qr8=
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@@ -587,6 +481,7 @@ golang.org/x/lint v0.0.0-20190909230951-414d861bb4ac/go.mod h1:6SW0HCj/g11FgYtHl
 golang.org/x/lint v0.0.0-20190930215403-16217165b5de/go.mod h1:6SW0HCj/g11FgYtHlgUYUwCkIfeOF89ocIRzGO/8vkc=
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+golang.org/x/lint v0.0.0-20200302205851-738671d3881b h1:Wh+f8QHJXR411sJR8/vRBTZ7YapZaRvUcLFFJhusH0k=
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 golang.org/x/mobile v0.0.0-20190312151609-d3739f865fa6/go.mod h1:z+o9i4GpDbdi3rU15maQ/Ox0txvL9dWGYEHz965HBQE=
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@@ -596,13 +491,11 @@ golang.org/x/mod v0.1.1-0.20191105210325-c90efee705ee/go.mod h1:QqPTAvyqsEbceGzB
 golang.org/x/mod v0.1.1-0.20191107180719-034126e5016b/go.mod h1:QqPTAvyqsEbceGzBzNggFXnrqF1CaUcvgkdR5Ot7KZg=
 golang.org/x/mod v0.2.0/go.mod h1:s0Qsj1ACt9ePp/hMypM3fl4fZqREWJwdYDEqhRiZZUA=
 golang.org/x/mod v0.3.0/go.mod h1:s0Qsj1ACt9ePp/hMypM3fl4fZqREWJwdYDEqhRiZZUA=
+golang.org/x/mod v0.3.1-0.20200828183125-ce943fd02449 h1:xUIPaMhvROX9dhPvRCenIJtU78+lbEenGbgqB5hfHCQ=
 golang.org/x/mod v0.3.1-0.20200828183125-ce943fd02449/go.mod h1:s0Qsj1ACt9ePp/hMypM3fl4fZqREWJwdYDEqhRiZZUA=
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@@ -610,16 +503,14 @@ golang.org/x/net v0.0.0-20181220203305-927f97764cc3/go.mod h1:mL1N/T3taQHkDXs73r
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@@ -629,29 +520,36 @@ golang.org/x/net v0.0.0-20200222125558-5a598a2470a0/go.mod h1:z5CRVTTTmAJ677TzLL
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@@ -659,17 +557,13 @@ golang.org/x/sys v0.0.0-20180909124046-d0be0721c37e/go.mod h1:STP8DvDyc/dI5b8T5h
 golang.org/x/sys v0.0.0-20181026203630-95b1ffbd15a5/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY=
 golang.org/x/sys v0.0.0-20181107165924-66b7b1311ac8/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY=
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@@ -689,8 +583,14 @@ golang.org/x/sys v0.0.0-20200212091648-12a6c2dcc1e4/go.mod h1:h1NjWce9XRLGQEsW7w
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@@ -705,19 +605,15 @@ golang.org/x/term v0.0.0-20201117132131-f5c789dd3221/go.mod h1:Nr5EML6q2oocZ2LXR
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@@ -725,10 +621,7 @@ golang.org/x/time v0.0.0-20210220033141-f8bda1e9f3ba h1:O8mE0/t419eoIwhTFpKVkHiT
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@@ -761,24 +654,30 @@ golang.org/x/tools v0.0.0-20200204074204-1cc6d1ef6c74/go.mod h1:TB2adYChydJhpapK
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@@ -788,13 +687,19 @@ google.golang.org/api v0.14.0/go.mod h1:iLdEw5Ide6rF15KTC1Kkl0iskquN2gFfn9o9XIsb
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@@ -814,17 +719,32 @@ google.golang.org/genproto v0.0.0-20200122232147-0452cf42e150/go.mod h1:n3cpQtvx
 google.golang.org/genproto v0.0.0-20200204135345-fa8e72b47b90/go.mod h1:GmwEX6Z4W5gMy59cAlVYjN9JhxgbQH6Gn+gFDQe2lzA=
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@@ -841,14 +761,12 @@ google.golang.org/protobuf v1.26.0/go.mod h1:9q0QmTI4eRPtz6boOQmLYwt+qCgq0jsYwAQ
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@@ -858,9 +776,7 @@ gopkg.in/square/go-jose.v2 v2.2.2/go.mod h1:M9dMgbHiYLoDGQrXy7OpJDJWiKiU//h+vD76
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@@ -872,7 +788,6 @@ gopkg.in/yaml.v3 v3.0.0-20200313102051-9f266ea9e77c/go.mod h1:K4uyk7z7BCEPqu6E+C
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@@ -881,72 +796,39 @@ honnef.co/go/tools v0.0.0-20190418001031-e561f6794a2a/go.mod h1:rf3lG4BRIbNafJWh
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 k8s.io/kube-openapi v0.0.0-20210305001622-591a79e4bda7 h1:vEx13qjvaZ4yfObSSXW7BrMc/KQBBT/Jyee8XtLf4x0=
 k8s.io/kube-openapi v0.0.0-20210305001622-591a79e4bda7/go.mod h1:wXW5VT87nVfh/iLV8FpR2uDvrFyomxbtb1KivDbvPTE=
-k8s.io/utils v0.0.0-20190801114015-581e00157fb1 h1:+ySTxfHnfzZb9ys375PXNlLhkJPLKgHajBU0N62BDvE=
-k8s.io/utils v0.0.0-20190801114015-581e00157fb1/go.mod h1:sZAwmy6armz5eXlNoLmJcl4F1QuKu7sr+mFQ0byX7Ew=
 k8s.io/utils v0.0.0-20201110183641-67b214c5f920/go.mod h1:jPW/WVKK9YHAvNhRxK0md/EJ228hCsBRufyofKtW8HA=
 k8s.io/utils v0.0.0-20210527160623-6fdb442a123b h1:MSqsVQ3pZvPGTqCjptfimO2WjG7A9un2zcpiHkA6M/s=
 k8s.io/utils v0.0.0-20210527160623-6fdb442a123b/go.mod h1:jPW/WVKK9YHAvNhRxK0md/EJ228hCsBRufyofKtW8HA=
-modernc.org/cc v1.0.0/go.mod h1:1Sk4//wdnYJiUIxnW8ddKpaOJCF37yAdqYnkxUpaYxw=
-modernc.org/golex v1.0.0/go.mod h1:b/QX9oBD/LhixY6NDh+IdGv17hgB+51fET1i2kPSmvk=
-modernc.org/mathutil v1.0.0/go.mod h1:wU0vUrJsVWBZ4P6e7xtFJEhFSNsfRLJ8H458uRjg03k=
-modernc.org/strutil v1.0.0/go.mod h1:lstksw84oURvj9y3tn8lGvRxyRC1S2+g5uuIzNfIOBs=
-modernc.org/xc v1.0.0/go.mod h1:mRNCo0bvLjGhHO9WsyuKVU4q0ceiDDDoEeWDJHrNx8I=
 rsc.io/binaryregexp v0.2.0/go.mod h1:qTv7/COck+e2FymRvadv62gMdZztPaShugOCi3I+8D8=
 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=
-sigs.k8s.io/controller-runtime v0.4.0 h1:wATM6/m+3w8lj8FXNaO6Fs/rq/vqoOjO1Q116Z9NPsg=
-sigs.k8s.io/controller-runtime v0.4.0/go.mod h1:ApC79lpY3PHW9xj/w9pj+lYkLgwAAUZwfXkME1Lajns=
 sigs.k8s.io/controller-runtime v0.9.0 h1:ZIZ/dtpboPSbZYY7uUz2OzrkaBTOThx2yekLtpGB+zY=
 sigs.k8s.io/controller-runtime v0.9.0/go.mod h1:TgkfvrhhEw3PlI0BRL/5xM+89y3/yc0ZDfdbTl84si8=
-sigs.k8s.io/structured-merge-diff v0.0.0-20190525122527-15d366b2352e/go.mod h1:wWxsB5ozmmv/SG7nM11ayaAW51xMvak/t1r0CSlcokI=
-sigs.k8s.io/structured-merge-diff v0.0.0-20190817042607-6149e4549fca h1:6dsH6AYQWbyZmtttJNe8Gq1cXOeS1BdV3eW37zHilAQ=
-sigs.k8s.io/structured-merge-diff v0.0.0-20190817042607-6149e4549fca/go.mod h1:IIgPezJWb76P0hotTxzDbWsMYB8APh18qZnxkomBpxA=
 sigs.k8s.io/structured-merge-diff/v4 v4.0.2/go.mod h1:bJZC9H9iH24zzfZ/41RGcq60oK1F7G282QMXDPYydCw=
 sigs.k8s.io/structured-merge-diff/v4 v4.1.0 h1:C4r9BgJ98vrKnnVCjwCSXcWjWe0NKcUQkmzDXZXGwH8=
 sigs.k8s.io/structured-merge-diff/v4 v4.1.0/go.mod h1:bJZC9H9iH24zzfZ/41RGcq60oK1F7G282QMXDPYydCw=
-sigs.k8s.io/testing_frameworks v0.1.2 h1:vK0+tvjF0BZ/RYFeZ1E6BYBwHJJXhjuZ3TdsEKH+UQM=
-sigs.k8s.io/testing_frameworks v0.1.2/go.mod h1:ToQrwSC3s8Xf/lADdZp3Mktcql9CG0UAmdJG9th5i0w=
-sigs.k8s.io/yaml v1.1.0 h1:4A07+ZFc2wgJwo8YNlQpr1rVlgUDlxXHhPJciaPY5gs=
 sigs.k8s.io/yaml v1.1.0/go.mod h1:UJmg0vDUVViEyp3mgSv9WPwZCDxu4rQW1olrI1uml+o=
 sigs.k8s.io/yaml v1.2.0 h1:kr/MCeFWJWTwyaHoR9c8EjH9OumOmoF9YGiZd7lFm/Q=
 sigs.k8s.io/yaml v1.2.0/go.mod h1:yfXDCHCao9+ENCvLSE62v9VSji2MKu5jeNfTrofGhJc=

main.go

@@ -65,14 +65,16 @@ func main() {
 
 		metricsAddr          string
 		enableLeaderElection bool
+		leaderElectionId     string
 		syncPeriod           time.Duration
 
 		gitHubAPICacheDuration time.Duration
 
-		runnerImage string
-		dockerImage string
-		namespace   string
-		logLevel    string
+		runnerImage          string
+		dockerImage          string
+		dockerRegistryMirror string
+		namespace            string
+		logLevel             string
 
 		commonRunnerLabels commaSeparatedStringSlice
 	)
@@ -86,8 +88,10 @@ func main() {
 	flag.StringVar(&metricsAddr, "metrics-addr", ":8080", "The address the metric endpoint binds to.")
 	flag.BoolVar(&enableLeaderElection, "enable-leader-election", false,
 		"Enable leader election for controller manager. Enabling this will ensure there is only one active controller manager.")
+	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.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.")
@@ -127,7 +131,7 @@ func main() {
 		Scheme:             scheme,
 		MetricsBindAddress: metricsAddr,
 		LeaderElection:     enableLeaderElection,
-		LeaderElectionID:   "actions-runner-controller",
+		LeaderElectionID:   leaderElectionId,
 		Port:               9443,
 		SyncPeriod:         &syncPeriod,
 		Namespace:          namespace,
@@ -138,12 +142,13 @@ func main() {
 	}
 
 	runnerReconciler := &controllers.RunnerReconciler{
-		Client:       mgr.GetClient(),
-		Log:          log.WithName("runner"),
-		Scheme:       mgr.GetScheme(),
-		GitHubClient: ghClient,
-		RunnerImage:  runnerImage,
-		DockerImage:  dockerImage,
+		Client:               mgr.GetClient(),
+		Log:                  log.WithName("runner"),
+		Scheme:               mgr.GetScheme(),
+		GitHubClient:         ghClient,
+		RunnerImage:          runnerImage,
+		DockerImage:          dockerImage,
+		DockerRegistryMirror: dockerRegistryMirror,
 	}
 
 	if err = runnerReconciler.SetupWithManager(mgr); err != nil {
@@ -176,13 +181,14 @@ func main() {
 	}
 
 	runnerSetReconciler := &controllers.RunnerSetReconciler{
-		Client:             mgr.GetClient(),
-		Log:                log.WithName("runnerset"),
-		Scheme:             mgr.GetScheme(),
-		CommonRunnerLabels: commonRunnerLabels,
-		RunnerImage:        runnerImage,
-		DockerImage:        dockerImage,
-		GitHubBaseURL:      ghClient.GithubBaseURL,
+		Client:               mgr.GetClient(),
+		Log:                  log.WithName("runnerset"),
+		Scheme:               mgr.GetScheme(),
+		CommonRunnerLabels:   commonRunnerLabels,
+		RunnerImage:          runnerImage,
+		DockerImage:          dockerImage,
+		DockerRegistryMirror: dockerRegistryMirror,
+		GitHubBaseURL:        ghClient.GithubBaseURL,
 	}
 
 	if err = runnerSetReconciler.SetupWithManager(mgr); err != nil {
@@ -199,7 +205,7 @@ func main() {
 
 	log.Info(
 		"Initializing actions-runner-controller",
-		"github-api-cahce-duration", gitHubAPICacheDuration,
+		"github-api-cache-duration", gitHubAPICacheDuration,
 		"sync-period", syncPeriod,
 		"runner-image", runnerImage,
 		"docker-image", dockerImage,

pkg/hookdeliveryforwarder/README.md

@@ -0,0 +1,8 @@
+`hookdeliveryforwarder` is currently in a Proof-of-Concept phase, not complete, and not supported.
+That being said, we are likely accept bug reports with concrete reproduction steps, but usage/support issues.
+
+To use this, you need to write some Kubernetes manifest and a container image for deployment.
+
+For other information, please see the original pull request introduced it.
+
+https://github.com/actions-runner-controller/actions-runner-controller/pull/682

pkg/hookdeliveryforwarder/checkpointer.go

@@ -0,0 +1,30 @@
+package hookdeliveryforwarder
+
+import "time"
+
+type Checkpointer interface {
+	GetOrCreate(hookID int64) (*State, error)
+	Update(hookID int64, pos *State) error
+}
+
+type InMemoryCheckpointer struct {
+	t  time.Time
+	id int64
+}
+
+func (p *InMemoryCheckpointer) GetOrCreate(hookID int64) (*State, error) {
+	return &State{DeliveredAt: p.t}, nil
+}
+
+func (p *InMemoryCheckpointer) Update(hookID int64, pos *State) error {
+	p.t = pos.DeliveredAt
+	p.id = pos.ID
+
+	return nil
+}
+
+func NewInMemoryLogPositionProvider() Checkpointer {
+	return &InMemoryCheckpointer{
+		t: time.Now(),
+	}
+}

pkg/hookdeliveryforwarder/cmd/main.go

@@ -0,0 +1,95 @@
+package main
+
+import (
+	"flag"
+	"fmt"
+	"os"
+
+	"github.com/actions-runner-controller/actions-runner-controller/pkg/hookdeliveryforwarder"
+	"github.com/actions-runner-controller/actions-runner-controller/pkg/hookdeliveryforwarder/configmap"
+	"github.com/go-logr/logr"
+	zaplib "go.uber.org/zap"
+
+	"k8s.io/apimachinery/pkg/runtime"
+	clientgoscheme "k8s.io/client-go/kubernetes/scheme"
+	_ "k8s.io/client-go/plugin/pkg/client/auth/gcp"
+
+	"sigs.k8s.io/controller-runtime/pkg/log/zap"
+)
+
+const (
+	logLevelDebug = "debug"
+	logLevelInfo  = "info"
+	logLevelWarn  = "warn"
+	logLevelError = "error"
+)
+
+var (
+	scheme = runtime.NewScheme()
+)
+
+func init() {
+	_ = clientgoscheme.AddToScheme(scheme)
+}
+
+func main() {
+	var (
+		logLevel string
+
+		checkpointerConfig configmap.Config
+	)
+
+	flag.StringVar(&logLevel, "log-level", logLevelDebug, `The verbosity of the logging. Valid values are "debug", "info", "warn", "error". Defaults to "debug".`)
+
+	checkpointerConfig.InitFlags(flag.CommandLine)
+
+	config := &hookdeliveryforwarder.Config{}
+
+	config.InitFlags((flag.CommandLine))
+
+	flag.Parse()
+
+	logger := newZapLogger(logLevel)
+
+	checkpointerConfig.Scheme = scheme
+	checkpointerConfig.Logger = logger
+
+	p, mgr, err := configmap.New(&checkpointerConfig)
+	if err != nil {
+		fmt.Fprintf(os.Stderr, "%v\n", err)
+		os.Exit(1)
+	}
+
+	// TODO: Set to something that is backed by a CRD so that
+	// restarting the forwarder doesn't result in missing deliveries.
+	config.Checkpointer = p
+
+	ctx := hookdeliveryforwarder.SetupSignalHandler()
+
+	go func() {
+		if err := mgr.Start(ctx); err != nil {
+			fmt.Fprintf(os.Stderr, "problem running manager: %v\n", err)
+			os.Exit(1)
+		}
+	}()
+
+	hookdeliveryforwarder.Run(ctx, config)
+}
+
+func newZapLogger(logLevel string) logr.Logger {
+	return zap.New(func(o *zap.Options) {
+		switch logLevel {
+		case logLevelDebug:
+			o.Development = true
+		case logLevelInfo:
+			lvl := zaplib.NewAtomicLevelAt(zaplib.InfoLevel)
+			o.Level = &lvl
+		case logLevelWarn:
+			lvl := zaplib.NewAtomicLevelAt(zaplib.WarnLevel)
+			o.Level = &lvl
+		case logLevelError:
+			lvl := zaplib.NewAtomicLevelAt(zaplib.ErrorLevel)
+			o.Level = &lvl
+		}
+	})
+}

pkg/hookdeliveryforwarder/config.go

@@ -0,0 +1,116 @@
+package hookdeliveryforwarder
+
+import (
+	"context"
+	"errors"
+	"flag"
+	"fmt"
+	"net/http"
+	"os"
+	"sync"
+
+	"github.com/actions-runner-controller/actions-runner-controller/github"
+	"github.com/kelseyhightower/envconfig"
+)
+
+type Config struct {
+	Rules        StringSlice
+	MetricsAddr  string
+	GitHubConfig github.Config
+	Checkpointer Checkpointer
+}
+
+func (config *Config) InitFlags(fs *flag.FlagSet) {
+	if err := envconfig.Process("github", &config.GitHubConfig); err != nil {
+		fmt.Fprintln(os.Stderr, "Error: Environment variable read failed.")
+	}
+
+	flag.StringVar(&config.MetricsAddr, "metrics-addr", ":8000", "The address the metric endpoint binds to.")
+	flag.Var(&config.Rules, "rule", "The rule denotes from where webhook deliveries forwarded and to where they are forwarded. Must be formatted REPO=TARGET where REPO can be just the organization name for a repostory hook or \"owner/repo\" for a repository hook.")
+	flag.StringVar(&config.GitHubConfig.Token, "github-token", config.GitHubConfig.Token, "The personal access token of GitHub.")
+	flag.Int64Var(&config.GitHubConfig.AppID, "github-app-id", config.GitHubConfig.AppID, "The application ID of GitHub App.")
+	flag.Int64Var(&config.GitHubConfig.AppInstallationID, "github-app-installation-id", config.GitHubConfig.AppInstallationID, "The installation ID of GitHub App.")
+	flag.StringVar(&config.GitHubConfig.AppPrivateKey, "github-app-private-key", config.GitHubConfig.AppPrivateKey, "The path of a private key file to authenticate as a GitHub App")
+}
+
+func Run(ctx context.Context, config *Config) {
+	c := config.GitHubConfig
+
+	ghClient, err := c.NewClient()
+	if err != nil {
+		fmt.Fprintln(os.Stderr, "Error: Client creation failed.", err)
+		os.Exit(1)
+	}
+
+	var wg sync.WaitGroup
+
+	ctx, cancel := context.WithCancel(ctx)
+
+	fwd, err := New(ghClient, []string(config.Rules))
+	if err != nil {
+		fmt.Fprintf(os.Stderr, "problem initializing forwarder: %v\n", err)
+		os.Exit(1)
+	}
+
+	if config.Checkpointer != nil {
+		fwd.Checkpointer = config.Checkpointer
+	}
+
+	mux := http.NewServeMux()
+	mux.HandleFunc("/readyz", fwd.HandleReadyz)
+
+	srv := http.Server{
+		Addr:    config.MetricsAddr,
+		Handler: mux,
+	}
+
+	wg.Add(1)
+	go func() {
+		defer cancel()
+		defer wg.Done()
+
+		if err := fwd.Run(ctx); err != nil {
+			fmt.Fprintf(os.Stderr, "problem running forwarder: %v\n", err)
+		}
+	}()
+
+	wg.Add(1)
+	go func() {
+		defer cancel()
+		defer wg.Done()
+
+		go func() {
+			<-ctx.Done()
+
+			srv.Shutdown(context.Background())
+		}()
+
+		if err := srv.ListenAndServe(); err != nil {
+			if !errors.Is(err, http.ErrServerClosed) {
+				fmt.Fprintf(os.Stderr, "problem running http server: %v\n", err)
+			}
+		}
+	}()
+
+	go func() {
+		<-ctx.Done()
+		cancel()
+	}()
+
+	wg.Wait()
+}
+
+type StringSlice []string
+
+func (s *StringSlice) String() string {
+	if s == nil {
+		return ""
+	}
+
+	return fmt.Sprintf("%+v", []string(*s))
+}
+
+func (s *StringSlice) Set(value string) error {
+	*s = append(*s, value)
+	return nil
+}

pkg/hookdeliveryforwarder/configmap/checkpointer.go

@@ -0,0 +1,100 @@
+package configmap
+
+import (
+	"context"
+	"encoding/json"
+	"fmt"
+	"time"
+
+	corev1 "k8s.io/api/core/v1"
+	kerrors "k8s.io/apimachinery/pkg/api/errors"
+
+	"github.com/actions-runner-controller/actions-runner-controller/pkg/hookdeliveryforwarder"
+	"k8s.io/apimachinery/pkg/types"
+	"sigs.k8s.io/controller-runtime/pkg/client"
+)
+
+type ConfigMapCheckpointer struct {
+	Name   string
+	NS     string
+	Client client.Client
+}
+
+type state struct {
+	DeliveredAt time.Time `json:"delivered_at"`
+	ID          int64     `json:"id"`
+}
+
+func (p *ConfigMapCheckpointer) GetOrCreate(hookID int64) (*hookdeliveryforwarder.State, error) {
+	var cm corev1.ConfigMap
+
+	if err := p.Client.Get(context.Background(), types.NamespacedName{Namespace: p.NS, Name: p.Name}, &cm); err != nil {
+		if !kerrors.IsNotFound(err) {
+			return nil, err
+		}
+
+		cm.Name = p.Name
+		cm.Namespace = p.NS
+
+		if err := p.Client.Create(context.Background(), &cm); err != nil {
+			return nil, err
+		}
+	}
+
+	idStr := fmt.Sprintf("hook_%d", hookID)
+
+	var unmarshalled state
+
+	data, ok := cm.Data[idStr]
+
+	if ok {
+		if err := json.Unmarshal([]byte(data), &unmarshalled); err != nil {
+			return nil, err
+		}
+	}
+
+	pos := &hookdeliveryforwarder.State{
+		DeliveredAt: unmarshalled.DeliveredAt,
+		ID:          unmarshalled.ID,
+	}
+
+	if pos.DeliveredAt.IsZero() {
+		pos.DeliveredAt = time.Now()
+	}
+
+	return pos, nil
+}
+
+func (p *ConfigMapCheckpointer) Update(hookID int64, pos *hookdeliveryforwarder.State) error {
+	var cm corev1.ConfigMap
+
+	if err := p.Client.Get(context.Background(), types.NamespacedName{Namespace: p.NS, Name: p.Name}, &cm); err != nil {
+		return err
+	}
+
+	var posData state
+
+	posData.DeliveredAt = pos.DeliveredAt
+	posData.ID = pos.ID
+
+	idStr := fmt.Sprintf("hook_%d", hookID)
+
+	data, err := json.Marshal(posData)
+	if err != nil {
+		return err
+	}
+
+	copy := cm.DeepCopy()
+
+	if copy.Data == nil {
+		copy.Data = map[string]string{}
+	}
+
+	copy.Data[idStr] = string(data)
+
+	if err := p.Client.Patch(context.Background(), copy, client.MergeFrom(&cm)); err != nil {
+		return err
+	}
+
+	return nil
+}

pkg/hookdeliveryforwarder/configmap/config.go

@@ -0,0 +1,42 @@
+package configmap
+
+import (
+	"flag"
+	"fmt"
+
+	"github.com/go-logr/logr"
+	"k8s.io/apimachinery/pkg/runtime"
+	ctrl "sigs.k8s.io/controller-runtime"
+	"sigs.k8s.io/controller-runtime/pkg/manager"
+)
+
+type Config struct {
+	Name      string
+	Namespace string
+	Logger    logr.Logger
+	Scheme    *runtime.Scheme
+}
+
+func (c *Config) InitFlags(fs *flag.FlagSet) {
+	fs.StringVar(&c.Name, "configmap-name", "gh-webhook-forwarder", `The name of the Kubernetes ConfigMap to which store state for check-pointing.`)
+	fs.StringVar(&c.Namespace, "namespace", "default", `The Kubernetes namespace to store configmap for check-pointing.`)
+}
+
+func New(checkpointerConfig *Config) (*ConfigMapCheckpointer, manager.Manager, error) {
+	ctrl.SetLogger(checkpointerConfig.Logger)
+
+	mgr, err := ctrl.NewManager(ctrl.GetConfigOrDie(), ctrl.Options{
+		Scheme:           checkpointerConfig.Scheme,
+		LeaderElectionID: "hookdeliveryforwarder",
+		Port:             9443,
+	})
+	if err != nil {
+		return nil, nil, fmt.Errorf("unable to start manager: %v", err)
+	}
+
+	return &ConfigMapCheckpointer{
+		Client: mgr.GetClient(),
+		Name:   checkpointerConfig.Name,
+		NS:     checkpointerConfig.Namespace,
+	}, mgr, nil
+}

pkg/hookdeliveryforwarder/forwarder.go

@@ -0,0 +1,253 @@
+package hookdeliveryforwarder
+
+import (
+	"bytes"
+	"context"
+	"errors"
+	"fmt"
+	"net/http"
+	"os"
+	"sort"
+	"strings"
+	"time"
+
+	"github.com/actions-runner-controller/actions-runner-controller/github"
+	gogithub "github.com/google/go-github/v37/github"
+)
+
+type Forwarder struct {
+	Repo   string
+	Target string
+
+	Hook gogithub.Hook
+
+	PollingDelay time.Duration
+
+	Client *github.Client
+
+	Checkpointer Checkpointer
+
+	logger
+}
+
+type persistentError struct {
+	Err error
+}
+
+func (e persistentError) Error() string {
+	return fmt.Sprintf("%v", e.Err)
+}
+
+func (f *Forwarder) Run(ctx context.Context) error {
+	pollingDelay := 10 * time.Second
+	if f.PollingDelay > 0 {
+		pollingDelay = f.PollingDelay
+	}
+
+	segments := strings.Split(f.Repo, "/")
+
+	owner := segments[0]
+
+	var repo string
+
+	if len(segments) > 1 {
+		repo = segments[1]
+	}
+
+	hooksAPI := newHooksAPI(f.Client.Client, owner, repo)
+
+	hooks, _, err := hooksAPI.ListHooks(ctx, nil)
+	if err != nil {
+		f.Errorf("Failed listing hooks: %v", err)
+
+		return err
+	}
+
+	var hook *gogithub.Hook
+
+	for i := range hooks {
+		hook = hooks[i]
+		break
+	}
+
+	if hook == nil {
+		hookConfig := &f.Hook
+
+		if _, ok := hookConfig.Config["url"]; !ok {
+			return persistentError{Err: fmt.Errorf("config.url is missing in the hook config")}
+		}
+
+		if _, ok := hookConfig.Config["content_type"]; !ok {
+			hookConfig.Config["content_type"] = "json"
+		}
+
+		if _, ok := hookConfig.Config["insecure_ssl"]; !ok {
+			hookConfig.Config["insecure_ssl"] = 0
+		}
+
+		if _, ok := hookConfig.Config["secret"]; !ok {
+			hookConfig.Config["secret"] = os.Getenv("GITHUB_HOOK_SECRET")
+		}
+
+		if len(hookConfig.Events) == 0 {
+			hookConfig.Events = []string{"check_run", "push"}
+		}
+
+		if hookConfig.Active == nil {
+			hookConfig.Active = gogithub.Bool(true)
+		}
+
+		h, _, err := hooksAPI.CreateHook(ctx, hookConfig)
+		if err != nil {
+			f.Errorf("Failed creating hook: %v", err)
+
+			return persistentError{Err: err}
+		}
+
+		hook = h
+	}
+
+	f.Logf("Using this hook for receiving deliveries to be forwarded: %+v", *hook)
+
+	hookDeliveries := newHookDeliveriesAPI(f.Client.Client, owner, repo, hook.GetID())
+
+	cur, err := f.Checkpointer.GetOrCreate(hook.GetID())
+	if err != nil {
+		f.Errorf("Failed to get or create log position: %v", err)
+
+		return persistentError{Err: err}
+	}
+
+LOOP:
+	for {
+		var (
+			err      error
+			payloads [][]byte
+		)
+
+		payloads, cur, err = f.getUnprocessedDeliveries(ctx, hookDeliveries, *cur)
+		if err != nil {
+			f.Errorf("failed getting unprocessed deliveries: %v", err)
+
+			if errors.Is(err, context.Canceled) {
+				return err
+			}
+		}
+
+		for _, p := range payloads {
+			if _, err := http.Post(f.Target, "application/json", bytes.NewReader(p)); err != nil {
+				f.Errorf("failed forwarding delivery: %v", err)
+
+				retryDelay := 5 * time.Second
+				t := time.NewTimer(retryDelay)
+
+				select {
+				case <-t.C:
+					t.Stop()
+				case <-ctx.Done():
+					t.Stop()
+
+					return ctx.Err()
+				}
+
+				continue LOOP
+			} else {
+				f.Logf("Successfully POSTed the payload to %s", f.Target)
+			}
+		}
+
+		if err := f.Checkpointer.Update(hook.GetID(), cur); err != nil {
+			return fmt.Errorf("failed updating checkpoint: %w", err)
+		}
+
+		t := time.NewTimer(pollingDelay)
+
+		select {
+		case <-t.C:
+			t.Stop()
+		case <-ctx.Done():
+			t.Stop()
+
+			return ctx.Err()
+		}
+	}
+}
+
+type State struct {
+	DeliveredAt time.Time
+	ID          int64
+}
+
+func (f *Forwarder) getUnprocessedDeliveries(ctx context.Context, hookDeliveries *hookDeliveriesAPI, pos State) ([][]byte, *State, error) {
+	var (
+		opts gogithub.ListCursorOptions
+	)
+
+	opts.PerPage = 2
+
+	var deliveries []*gogithub.HookDelivery
+
+OUTER:
+	for {
+		ds, resp, err := hookDeliveries.ListHookDeliveries(ctx, &opts)
+		if err != nil {
+			return nil, nil, err
+		}
+
+		opts.Cursor = resp.Cursor
+
+		for _, d := range ds {
+			d, _, err := hookDeliveries.GetHookDelivery(ctx, d.GetID())
+			if err != nil {
+				return nil, nil, err
+			}
+
+			payload, err := d.ParseRequestPayload()
+			if err != nil {
+				return nil, nil, err
+			}
+
+			id := d.GetID()
+			deliveredAt := d.GetDeliveredAt()
+
+			if !pos.DeliveredAt.IsZero() && deliveredAt.Before(pos.DeliveredAt) {
+				f.Logf("%s is before %s so skipping all the remaining deliveries", deliveredAt, pos.DeliveredAt)
+				break OUTER
+			}
+
+			if pos.ID != 0 && id <= pos.ID {
+				break OUTER
+			}
+
+			deliveries = append(deliveries, d)
+
+			f.Logf("Received %T at %s: %v", payload, deliveredAt, payload)
+
+			if deliveredAt.After(pos.DeliveredAt) {
+				pos.DeliveredAt = deliveredAt.Time
+			}
+
+			if id > pos.ID {
+				pos.ID = id
+			}
+		}
+
+		if opts.Cursor == "" {
+			break
+		}
+
+		time.Sleep(1 * time.Second)
+	}
+
+	sort.Slice(deliveries, func(a, b int) bool {
+		return deliveries[b].GetDeliveredAt().After(deliveries[a].GetDeliveredAt().Time)
+	})
+
+	var payloads [][]byte
+
+	for _, d := range deliveries {
+		payloads = append(payloads, *d.Request.RawPayload)
+	}
+
+	return payloads, &pos, nil
+}

pkg/hookdeliveryforwarder/hooks.go

@@ -0,0 +1,46 @@
+package hookdeliveryforwarder
+
+import (
+	"context"
+
+	gogithub "github.com/google/go-github/v37/github"
+)
+
+type hooksAPI struct {
+	ListHooks  func(ctx context.Context, opts *gogithub.ListOptions) ([]*gogithub.Hook, *gogithub.Response, error)
+	CreateHook func(ctx context.Context, hook *gogithub.Hook) (*gogithub.Hook, *gogithub.Response, error)
+}
+
+func newHooksAPI(client *gogithub.Client, org, repo string) *hooksAPI {
+	var hooksAPI *hooksAPI
+
+	if repo != "" {
+		hooksAPI = repoHooksAPI(client.Repositories, org, repo)
+	} else {
+		hooksAPI = orgHooksAPI(client.Organizations, org)
+	}
+
+	return hooksAPI
+}
+
+func repoHooksAPI(svc *gogithub.RepositoriesService, org, repo string) *hooksAPI {
+	return &hooksAPI{
+		ListHooks: func(ctx context.Context, opts *gogithub.ListOptions) ([]*gogithub.Hook, *gogithub.Response, error) {
+			return svc.ListHooks(ctx, org, repo, opts)
+		},
+		CreateHook: func(ctx context.Context, hook *gogithub.Hook) (*gogithub.Hook, *gogithub.Response, error) {
+			return svc.CreateHook(ctx, org, repo, hook)
+		},
+	}
+}
+
+func orgHooksAPI(svc *gogithub.OrganizationsService, org string) *hooksAPI {
+	return &hooksAPI{
+		ListHooks: func(ctx context.Context, opts *gogithub.ListOptions) ([]*gogithub.Hook, *gogithub.Response, error) {
+			return svc.ListHooks(ctx, org, opts)
+		},
+		CreateHook: func(ctx context.Context, hook *gogithub.Hook) (*gogithub.Hook, *gogithub.Response, error) {
+			return svc.CreateHook(ctx, org, hook)
+		},
+	}
+}

pkg/hookdeliveryforwarder/hooks_deliveries.go

@@ -0,0 +1,46 @@
+package hookdeliveryforwarder
+
+import (
+	"context"
+
+	gogithub "github.com/google/go-github/v37/github"
+)
+
+type hookDeliveriesAPI struct {
+	GetHookDelivery    func(ctx context.Context, id int64) (*gogithub.HookDelivery, *gogithub.Response, error)
+	ListHookDeliveries func(ctx context.Context, opts *gogithub.ListCursorOptions) ([]*gogithub.HookDelivery, *gogithub.Response, error)
+}
+
+func newHookDeliveriesAPI(client *gogithub.Client, org, repo string, hookID int64) *hookDeliveriesAPI {
+	var hookDeliveries *hookDeliveriesAPI
+
+	if repo != "" {
+		hookDeliveries = repoHookDeliveriesAPI(client.Repositories, org, repo, hookID)
+	} else {
+		hookDeliveries = orgHookDeliveriesAPI(client.Organizations, org, hookID)
+	}
+
+	return hookDeliveries
+}
+
+func repoHookDeliveriesAPI(svc *gogithub.RepositoriesService, org, repo string, hookID int64) *hookDeliveriesAPI {
+	return &hookDeliveriesAPI{
+		GetHookDelivery: func(ctx context.Context, id int64) (*gogithub.HookDelivery, *gogithub.Response, error) {
+			return svc.GetHookDelivery(ctx, org, repo, hookID, id)
+		},
+		ListHookDeliveries: func(ctx context.Context, opts *gogithub.ListCursorOptions) ([]*gogithub.HookDelivery, *gogithub.Response, error) {
+			return svc.ListHookDeliveries(ctx, org, repo, hookID, opts)
+		},
+	}
+}
+
+func orgHookDeliveriesAPI(svc *gogithub.OrganizationsService, org string, hookID int64) *hookDeliveriesAPI {
+	return &hookDeliveriesAPI{
+		GetHookDelivery: func(ctx context.Context, id int64) (*gogithub.HookDelivery, *gogithub.Response, error) {
+			return svc.GetHookDelivery(ctx, org, hookID, id)
+		},
+		ListHookDeliveries: func(ctx context.Context, opts *gogithub.ListCursorOptions) ([]*gogithub.HookDelivery, *gogithub.Response, error) {
+			return svc.ListHookDeliveries(ctx, org, hookID, opts)
+		},
+	}
+}

pkg/hookdeliveryforwarder/logger.go

@@ -0,0 +1,17 @@
+package hookdeliveryforwarder
+
+import (
+	"fmt"
+	"os"
+)
+
+type logger struct {
+}
+
+func (f logger) Logf(format string, args ...interface{}) {
+	fmt.Fprintf(os.Stdout, format+"\n", args...)
+}
+
+func (f logger) Errorf(format string, args ...interface{}) {
+	fmt.Fprintf(os.Stderr, format+"\n", args...)
+}

pkg/hookdeliveryforwarder/multiforwarder.go

@@ -0,0 +1,143 @@
+package hookdeliveryforwarder
+
+import (
+	"context"
+	"encoding/json"
+	"fmt"
+	"net/http"
+	"sync"
+
+	"github.com/actions-runner-controller/actions-runner-controller/github"
+	gogithub "github.com/google/go-github/v37/github"
+)
+
+type MultiForwarder struct {
+	client *github.Client
+
+	Rules []Rule
+
+	Checkpointer Checkpointer
+
+	logger
+}
+
+type RuleConfig struct {
+	Repo   []string      `json:"from"`
+	Target string        `json:"to"`
+	Hook   gogithub.Hook `json:"hook"`
+}
+
+type Rule struct {
+	Repo   string
+	Target string
+	Hook   gogithub.Hook
+}
+
+func New(client *github.Client, rules []string) (*MultiForwarder, error) {
+	var srv MultiForwarder
+
+	for _, r := range rules {
+		var rule RuleConfig
+
+		if err := json.Unmarshal([]byte(r), &rule); err != nil {
+			return nil, fmt.Errorf("failed unmarshalling %s: %w", r, err)
+		}
+
+		if len(rule.Repo) == 0 {
+			return nil, fmt.Errorf("there must be one or more sources configured via `--repo \"from=SOURCE1,SOURCE2,... to=DEST1,DEST2,...\". got %q", r)
+		}
+
+		if rule.Target == "" {
+			return nil, fmt.Errorf("there must be one destination configured via `--repo \"from=SOURCE to=DEST1,DEST2,...\". got %q", r)
+		}
+
+		for _, repo := range rule.Repo {
+			srv.Rules = append(srv.Rules, Rule{
+				Repo:   repo,
+				Target: rule.Target,
+				Hook:   rule.Hook,
+			})
+		}
+	}
+
+	srv.client = client
+	srv.Checkpointer = NewInMemoryLogPositionProvider()
+
+	return &srv, nil
+}
+
+func (f *MultiForwarder) Run(ctx context.Context) error {
+	var wg sync.WaitGroup
+
+	errs := make(chan error, len(f.Rules))
+
+	for _, r := range f.Rules {
+		r := r
+		wg.Add(1)
+		go func() {
+			defer wg.Done()
+
+			errs <- f.run(ctx, r)
+		}()
+	}
+
+	wg.Wait()
+
+	select {
+	case err := <-errs:
+		return err
+	default:
+		return nil
+	}
+}
+
+func (f *MultiForwarder) run(ctx context.Context, rule Rule) error {
+	i := &Forwarder{
+		Repo:         rule.Repo,
+		Target:       rule.Target,
+		Hook:         rule.Hook,
+		Client:       f.client,
+		Checkpointer: f.Checkpointer,
+	}
+
+	return i.Run(ctx)
+}
+
+func (f *MultiForwarder) HandleReadyz(w http.ResponseWriter, r *http.Request) {
+	var (
+		ok bool
+
+		err error
+	)
+
+	defer func() {
+		if !ok {
+			w.WriteHeader(http.StatusInternalServerError)
+
+			if err != nil {
+				msg := err.Error()
+				if _, err := w.Write([]byte(msg)); err != nil {
+					f.Errorf("failed writing http error response: %v", err)
+				}
+			}
+		}
+	}()
+
+	defer func() {
+		if r.Body != nil {
+			r.Body.Close()
+		}
+	}()
+
+	// respond ok to GET / e.g. for health check
+	if r.Method == http.MethodGet {
+		fmt.Fprintln(w, "webhook server is running")
+		return
+	}
+
+	w.WriteHeader(http.StatusOK)
+
+	if _, err := w.Write([]byte("ok")); err != nil {
+		f.Errorf("failed writing http response: %v", err)
+	}
+}

pkg/hookdeliveryforwarder/signal.go

@@ -0,0 +1,48 @@
+/*
+Copyright 2017 The Kubernetes Authors.
+
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+    http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+*/
+
+package hookdeliveryforwarder
+
+import (
+	"context"
+	"os"
+	"os/signal"
+	"syscall"
+)
+
+var onlyOneSignalHandler = make(chan struct{})
+
+var shutdownSignals = []os.Signal{os.Interrupt, syscall.SIGTERM}
+
+// SetupSignalHandler registers for SIGTERM and SIGINT. A stop channel is returned
+// which is closed on one of these signals. If a second signal is caught, the program
+// is terminated with exit code 1.
+func SetupSignalHandler() context.Context {
+	close(onlyOneSignalHandler) // panics when called twice
+
+	ctx, cancel := context.WithCancel(context.Background())
+
+	c := make(chan os.Signal, 2)
+	signal.Notify(c, shutdownSignals...)
+	go func() {
+		<-c
+		cancel()
+		<-c
+		os.Exit(1) // second signal. Exit directly.
+	}()
+
+	return ctx
+}

runner/Dockerfile

@@ -1,8 +1,10 @@
 FROM ubuntu:20.04
 
 ARG TARGETPLATFORM
-ARG RUNNER_VERSION=2.278.0
-ARG DOCKER_VERSION=19.03.12
+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)
 
@@ -45,8 +47,8 @@ RUN apt update -y \
 # 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 [ "$ARCH" = "i386" ]; then export ARCH=x86_64 ; fi \
-    && curl -L -o /usr/local/bin/dumb-init https://github.com/Yelp/dumb-init/releases/download/v1.2.2/dumb-init_1.2.2_${ARCH} \
+    && 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
@@ -54,7 +56,7 @@ 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 -L -o docker.tgz https://download.docker.com/linux/static/stable/${ARCH}/docker-${DOCKER_VERSION}.tgz \
+    && 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 \
@@ -67,6 +69,24 @@ RUN set -vx; \
 ENV RUNNER_ASSETS_DIR=/runnertmp
 ENV HOME=/home/runner
 
+# Uncomment the below COPY to use your own custom build of actions-runner.
+#
+# To build a custom runner:
+# - Clone the actions/runner repo `git clone git@github.com:actions/runner.git $repo`
+# - Run `cd $repo/src`
+# - Run `./dev.sh layout Release linux-x64`
+# - Run `./dev.sh package Release linux-x64`
+# - Run cp ../_package/actions-runner-linux-x64-2.280.3.tar.gz ../../actions-runner-controller/runner/
+#   - Beware that `2.280.3` might change across versions
+#
+# See https://github.com/actions/runner/blob/main/.github/workflows/release.yml for more informatino on how you can use dev.sh
+#
+# If you're willing to uncomment the following line, you'd also need to comment-out the
+#   && curl -L -o runner.tar.gz https://github.com/actions/runner/releases/download/v${RUNNER_VERSION}/actions-runner-linux-${ARCH}-${RUNNER_VERSION}.tar.gz \
+# line in the next `RUN` command in this Dockerfile, to avoid overwiding this runner.tar.gz with a remote one.
+
+# COPY actions-runner-linux-x64-2.280.3.tar.gz /runnertmp/runner.tar.gz
+
 # 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.
@@ -76,7 +96,8 @@ 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 -L -o runner.tar.gz https://github.com/actions/runner/releases/download/v${RUNNER_VERSION}/actions-runner-linux-${ARCH}-${RUNNER_VERSION}.tar.gz \
+    # Comment-out the below curl invocation when you use your own build of actions/runner
+    && curl -f -L -o runner.tar.gz https://github.com/actions/runner/releases/download/v${RUNNER_VERSION}/actions-runner-linux-${ARCH}-${RUNNER_VERSION}.tar.gz \
     && tar xzf ./runner.tar.gz \
     && rm runner.tar.gz \
     && ./bin/installdependencies.sh \
@@ -94,7 +115,9 @@ 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/Dockerfile.dindrunner

@@ -1,5 +1,13 @@
 FROM ubuntu:20.04
 
+ARG TARGETPLATFORM
+ARG RUNNER_VERSION=2.280.3
+ARG DOCKER_CHANNEL=stable
+ARG DOCKER_VERSION=19.03.13
+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 \
@@ -47,19 +55,12 @@ RUN adduser --disabled-password --gecos "" --uid 1000 runner \
     && usermod -aG docker runner \
     && echo "%sudo   ALL=(ALL:ALL) NOPASSWD:ALL" > /etc/sudoers
 
-ARG TARGETPLATFORM
-ARG RUNNER_VERSION=2.278.0
-ARG DOCKER_CHANNEL=stable
-ARG DOCKER_VERSION=19.03.13
-ARG DEBUG=false
-
-RUN test -n "$TARGETPLATFORM" || (echo "TARGETPLATFORM must be set" && false)
-
+# arch command on OS X reports "i386" for Intel CPUs regardless of bitness
 # Docker download supports arm64 as aarch64 & amd64 / i386 as x86_64
 RUN export ARCH=$(echo ${TARGETPLATFORM} | cut -d / -f2) \
     && if [ "$ARCH" = "arm64" ]; then export ARCH=aarch64 ; fi \
     && if [ "$ARCH" = "amd64" ] || [ "$ARCH" = "i386" ]; then export ARCH=x86_64 ; fi \
-	&& if ! curl -L -o docker.tgz "https://download.docker.com/linux/static/${DOCKER_CHANNEL}/${ARCH}/docker-${DOCKER_VERSION}.tgz"; then \
+	&& if ! curl -f -L -o docker.tgz "https://download.docker.com/linux/static/${DOCKER_CHANNEL}/${ARCH}/docker-${DOCKER_VERSION}.tgz"; then \
 		echo >&2 "error: failed to download 'docker-${DOCKER_VERSION}' from '${DOCKER_CHANNEL}' for '${ARCH}'"; \
 		exit 1; \
 	fi; \
@@ -85,7 +86,7 @@ RUN export ARCH=$(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 -L -o runner.tar.gz https://github.com/actions/runner/releases/download/v${RUNNER_VERSION}/actions-runner-linux-${ARCH}-${RUNNER_VERSION}.tar.gz \
+    && curl -f -L -o runner.tar.gz https://github.com/actions/runner/releases/download/v${RUNNER_VERSION}/actions-runner-linux-${ARCH}-${RUNNER_VERSION}.tar.gz \
     && tar xzf ./runner.tar.gz \
     && rm runner.tar.gz \
     && ./bin/installdependencies.sh \
@@ -107,8 +108,8 @@ RUN chmod +x /usr/local/bin/startup.sh /usr/local/bin/entrypoint.sh /usr/local/b
 # 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 [ "$ARCH" = "i386" ]; then export ARCH=x86_64 ; fi \
-    && curl -L -o /usr/local/bin/dumb-init https://github.com/Yelp/dumb-init/releases/download/v1.2.2/dumb-init_1.2.2_${ARCH} \
+    && 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
 
 VOLUME /var/lib/docker
@@ -117,6 +118,7 @@ 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
 
 # No group definition, as that makes it harder to run docker.
 USER runner

runner/Dockerfile.ubuntu.1804

@@ -1,8 +1,10 @@
 FROM ubuntu:18.04
 
 ARG TARGETPLATFORM
-ARG RUNNER_VERSION=2.278.0
-ARG DOCKER_VERSION=19.03.12
+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)
 
@@ -45,8 +47,8 @@ RUN apt update -y \
 # 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 [ "$ARCH" = "i386" ]; then export ARCH=x86_64 ; fi \
-    && curl -L -o /usr/local/bin/dumb-init https://github.com/Yelp/dumb-init/releases/download/v1.2.2/dumb-init_1.2.2_${ARCH} \
+    && 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
@@ -54,7 +56,7 @@ 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 -L -o docker.tgz https://download.docker.com/linux/static/stable/${ARCH}/docker-${DOCKER_VERSION}.tgz \
+    && curl -f -L -o docker.tgz https://download.docker.com/linux/static/${DOCKER_CHANNEL}/${ARCH}/docker-${DOCKER_VERSION}.tgz \
     && tar zxvf docker.tgz \
     && install -o root -g root -m 755 docker/docker /usr/local/bin/docker \
     && rm -rf docker docker.tgz \
@@ -76,7 +78,7 @@ RUN export ARCH=$(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 -L -o runner.tar.gz https://github.com/actions/runner/releases/download/v${RUNNER_VERSION}/actions-runner-linux-${ARCH}-${RUNNER_VERSION}.tar.gz \
+    && curl -f -L -o runner.tar.gz https://github.com/actions/runner/releases/download/v${RUNNER_VERSION}/actions-runner-linux-${ARCH}-${RUNNER_VERSION}.tar.gz \
     && tar xzf ./runner.tar.gz \
     && rm runner.tar.gz \
     && ./bin/installdependencies.sh \
@@ -94,7 +96,9 @@ 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

@@ -1,9 +1,10 @@
 NAME ?= summerwind/actions-runner
 DIND_RUNNER_NAME ?= ${NAME}-dind
 TAG ?= latest
+TARGET_PLATFORM ?= $(shell arch)
 
-RUNNER_VERSION ?= 2.278.0
-DOCKER_VERSION ?= 19.03.12
+RUNNER_VERSION ?= 2.280.3
+DOCKER_VERSION ?= 20.10.8
 
 # default list of platforms for which multiarch image is built
 ifeq (${PLATFORMS}, )
@@ -23,8 +24,8 @@ else
 endif
 
 docker-build-ubuntu:
-	docker build --build-arg TARGETPLATFORM=amd64 --build-arg RUNNER_VERSION=${RUNNER_VERSION} --build-arg DOCKER_VERSION=${DOCKER_VERSION} -t ${NAME}:${TAG} .
-	docker build --build-arg TARGETPLATFORM=amd64 --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=${TARGET_PLATFORM} --build-arg RUNNER_VERSION=${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-push-ubuntu:
 	docker push ${NAME}:${TAG}

runner/entrypoint.sh

@@ -1,23 +1,43 @@
 #!/bin/bash
 
-if [ ! -z "${STARTUP_DELAY}" ]; then
-  echo "Delaying startup by ${STARTUP_DELAY} seconds" 1>&2
-  sleep ${STARTUP_DELAY}
+RUNNER_HOME=${RUNNER_HOME:-/runner}
+
+LIGHTGREEN="\e[0;32m"
+LIGHTRED="\e[0;31m"
+WHITE="\e[0;97m"
+RESET="\e[0m"
+
+log(){
+  printf "${WHITE}${@}${RESET}\n" 1>&2
+}
+
+success(){
+  printf "${LIGHTGREEN}${@}${RESET}\n" 1>&2
+}
+
+error(){
+  printf "${LIGHTRED}${@}${RESET}\n" 1>&2
+}
+
+if [ ! -z "${STARTUP_DELAY_IN_SECONDS}" ]; then
+  log "Delaying startup by ${STARTUP_DELAY_IN_SECONDS} seconds"
+  sleep ${STARTUP_DELAY_IN_SECONDS}
 fi
 
+
 if [ -z "${GITHUB_URL}" ]; then
-  echo "Working with public GitHub" 1>&2
+  log "Working with public GitHub"
   GITHUB_URL="https://github.com/"
 else
   length=${#GITHUB_URL}
   last_char=${GITHUB_URL:length-1:1}
 
   [[ $last_char != "/" ]] && GITHUB_URL="$GITHUB_URL/"; :
-  echo "Github endpoint URL ${GITHUB_URL}"
+  log "Github endpoint URL ${GITHUB_URL}"
 fi
 
 if [ -z "${RUNNER_NAME}" ]; then
-  echo "RUNNER_NAME must be set" 1>&2
+  error "RUNNER_NAME must be set"
   exit 1
 fi
 
@@ -30,12 +50,12 @@ elif [ -n "${RUNNER_REPO}" ]; then
 elif [ -n "${RUNNER_ENTERPRISE}" ]; then
   ATTACH="enterprises/${RUNNER_ENTERPRISE}"
 else
-  echo "At least one of RUNNER_ORG or RUNNER_REPO or RUNNER_ENTERPRISE must be set" 1>&2
+  error "At least one of RUNNER_ORG or RUNNER_REPO or RUNNER_ENTERPRISE must be set"
   exit 1
 fi
 
 if [ -z "${RUNNER_TOKEN}" ]; then
-  echo "RUNNER_TOKEN must be set" 1>&2
+  error "RUNNER_TOKEN must be set"
   exit 1
 fi
 
@@ -44,67 +64,96 @@ if [ -z "${RUNNER_REPO}" ] && [ -n "${RUNNER_GROUP}" ];then
 fi
 
 # Hack due to https://github.com/actions-runner-controller/actions-runner-controller/issues/252#issuecomment-758338483
-if [ ! -d /runner ]; then
-  echo "/runner should be an emptyDir mount. Please fix the pod spec." 1>&2
+if [ ! -d "${RUNNER_HOME}" ]; then
+  error "${RUNNER_HOME} should be an emptyDir mount. Please fix the pod spec."
   exit 1
 fi
 
-sudo chown -R runner:docker /runner
-mv /runnertmp/* /runner/
-
-cd /runner
-./config.sh --unattended --replace \
-  --name "${RUNNER_NAME}" \
-  --url "${GITHUB_URL}${ATTACH}" \
-  --token "${RUNNER_TOKEN}" \
-  --runnergroup "${RUNNER_GROUPS}" \
-  --labels "${RUNNER_LABELS}" \
-  --work "${RUNNER_WORKDIR}"
-
-if [ -f /runner/.runner ]; then
-  echo Runner has successfully been configured with the following data.
-  cat /runner/.runner
-  # Note: the `.runner` file's content should be something like the below:
-  #
-  # $ cat /runner/.runner
-  # {
-  # "agentId": 117, #=> corresponds to the ID of the runner
-  # "agentName": "THE_RUNNER_POD_NAME",
-  # "poolId": 1,
-  # "poolName": "Default",
-  # "serverUrl": "https://pipelines.actions.githubusercontent.com/SOME_RANDOM_ID",
-  # "gitHubUrl": "https://github.com/USER/REPO",
-  # "workFolder": "/some/work/dir" #=> corresponds to Runner.Spec.WorkDir
-  # }
-  #
-  # Especially `agentId` is important, as other than listing all the runners in the repo,
-  # this is the only change we could get the exact runnner ID which can be useful for further
-  # GitHub API call like the below. Note that 171 is the agentId seen above.
-  #   curl \
-  #     -H "Accept: application/vnd.github.v3+json" \
-  #     -H "Authorization: bearer ${GITHUB_TOKEN}"
-  #     https://api.github.com/repos/USER/REPO/actions/runners/171
+# if this is not a testing environment
+if [ -z "${UNITTEST:-}" ]; then
+  sudo chown -R runner:docker ${RUNNER_HOME}
+  mv /runnertmp/* ${RUNNER_HOME}/
 fi
 
+cd ${RUNNER_HOME}
+# past that point, it's all relative pathes from /runner
+
+config_args=()
+if [ "${RUNNER_FEATURE_FLAG_EPHEMERAL:-}" == "true" -a "${RUNNER_EPHEMERAL}" != "false" ]; then
+  config_args+=(--ephemeral)
+  echo "Passing --ephemeral to config.sh to enable the ephemeral runner."
+fi
+
+retries_left=10
+while [[ ${retries_left} -gt 0 ]]; do
+  log "Configuring the runner."
+  ./config.sh --unattended --replace \
+    --name "${RUNNER_NAME}" \
+    --url "${GITHUB_URL}${ATTACH}" \
+    --token "${RUNNER_TOKEN}" \
+    --runnergroup "${RUNNER_GROUPS}" \
+    --labels "${RUNNER_LABELS}" \
+    --work "${RUNNER_WORKDIR}" "${config_args[@]}"
+
+  if [ -f .runner ]; then
+    success "Runner successfully configured."
+    break
+  fi
+
+  error "Configuration failed. Retrying"
+  retries_left=$((retries_left - 1))
+  sleep 1
+done
+
+if [ ! -f .runner ]; then
+  # we couldn't configure and register the runner; no point continuing
+  error "Configuration failed!"
+  exit 2
+fi
+
+cat .runner
+# Note: the `.runner` file's content should be something like the below:
+#
+# $ cat /runner/.runner
+# {
+# "agentId": 117, #=> corresponds to the ID of the runner
+# "agentName": "THE_RUNNER_POD_NAME",
+# "poolId": 1,
+# "poolName": "Default",
+# "serverUrl": "https://pipelines.actions.githubusercontent.com/SOME_RANDOM_ID",
+# "gitHubUrl": "https://github.com/USER/REPO",
+# "workFolder": "/some/work/dir" #=> corresponds to Runner.Spec.WorkDir
+# }
+#
+# Especially `agentId` is important, as other than listing all the runners in the repo,
+# this is the only change we could get the exact runnner ID which can be useful for further
+# GitHub API call like the below. Note that 171 is the agentId seen above.
+#   curl \
+#     -H "Accept: application/vnd.github.v3+json" \
+#     -H "Authorization: bearer ${GITHUB_TOKEN}"
+#     https://api.github.com/repos/USER/REPO/actions/runners/171
+
 if [ -n "${RUNNER_REGISTRATION_ONLY}" ]; then
-  echo
-  echo "This runner is configured to be registration-only. Exiting without starting the runner service..."
+  success "This runner is configured to be registration-only. Exiting without starting the runner service..."
   exit 0
 fi
 
-mkdir ./externals
-# Hack due to the DinD volumes
-mv ./externalstmp/* ./externals/
+if [ -z "${UNITTEST:-}" ]; then
+  mkdir ./externals
+  # Hack due to the DinD volumes
+  mv ./externalstmp/* ./externals/
 
-for f in runsvc.sh RunnerService.js; do
-  diff {bin,patched}/${f} || :
-  sudo mv bin/${f}{,.bak}
-  sudo mv {patched,bin}/${f}
-done
+  for f in runsvc.sh RunnerService.js; do
+    diff {bin,patched}/${f} || :
+    sudo mv bin/${f}{,.bak}
+    sudo mv {patched,bin}/${f}
+  done
+fi
 
 args=()
-if [ "${RUNNER_EPHEMERAL}" != "false" ]; then
+if [ "${RUNNER_FEATURE_FLAG_EPHEMERAL:-}" != "true" -a "${RUNNER_EPHEMERAL}" != "false" ]; then
   args+=(--once)
+  echo "Passing --once to runsvc.sh to enable the legacy ephemeral runner."
 fi
 
 unset RUNNER_NAME RUNNER_REPO RUNNER_TOKEN

test/e2e/e2e_test.go

@@ -298,7 +298,7 @@ func installActionsWorkflow(t *testing.T, testID, runnerLabel, testResultCMNameP
 		Name: wfName,
 		On: testing.On{
 			Push: &testing.Push{
-				Branches: []string{"main"},
+				Branches: []string{"master"},
 			},
 		},
 		Jobs: map[string]testing.Job{},
@@ -403,5 +403,5 @@ func verifyActionsWorkflowRun(t *testing.T, env *testing.Env, testJobs []job) {
 		}
 
 		return results, err
-	}, 60*time.Second, 10*time.Second).Should(gomega.Equal(expected))
+	}, 3*60*time.Second, 10*time.Second).Should(gomega.Equal(expected))
 }

test/entrypoint/entrypoint_unittest.sh

@@ -0,0 +1,37 @@
+#!/bin/bash
+
+source logging.sh
+
+for unittest in ./should*; do
+  log "**********************************"
+  log " UNIT TEST: ${unittest}"
+  log "**********************************"
+  log ""
+
+  cd ${unittest}
+  ./test.sh
+  ret_code=$?
+  cd ..
+
+  log ""
+  log ""
+  if [ "${ret_code}" = "0" ]; then
+    success "Completed: unit test ${unittest}"
+  else
+    error "Completed: unit test ${unittest} with errors"
+    failed="true"
+  fi
+done
+
+if [ -n "${failed:-}" ]; then
+  error ""
+  error "*************************************"
+  error "All unit tests completed, with errors"
+  error "*************************************"
+  exit 1
+else
+  success ""
+  success "***************************************"
+  success "All unit tests completed with no errors"
+  success "***************************************"
+fi

test/entrypoint/logging.sh

@@ -0,0 +1,18 @@
+#!/bin/bash
+
+export LIGHTGREEN='\e[0;32m'
+export LIGHTRED='\e[0;31m'
+export WHITE='\e[0;97m'
+export RESET='\e[0m'
+
+log(){
+  printf "${WHITE}$@${RESET}\n" 2>&1
+}
+
+success(){
+  printf "${LIGHTGREEN}$@${RESET}\n" 2>&1
+}
+
+error(){
+  printf "${LIGHTRED}$@${RESET}\n" 2>&1
+}

test/entrypoint/should_retry_configuring/config.sh

@@ -0,0 +1,29 @@
+#!/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${LIGHTRED}$@${RESET}\n" 2>&1
+  exit 1
+}
+
+echo "$*" > runner_config
+success "I'm pretending the configuration is not successful"
+# increasing a counter to measure how many times we restarted
+count=`cat counter 2>/dev/null|| echo "0"`
+count=$((count + 1))
+echo ${count} > counter
+

test/entrypoint/should_retry_configuring/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..."
+# SHOULD NOT HAPPEN
+# creating a file to show this script has run
+touch runsvc_ran
+success "...successful"
+success ""
+
+

test/entrypoint/should_retry_configuring/test.sh

@@ -0,0 +1,74 @@
+#!/bin/bash
+
+# UNITTEST: retry config
+# Will simulate a configuration failure and expects:
+# - the configuration step to be run 10 times
+# - the entrypoint script to exit with error code 2
+# - the runsvc.sh script to never run.
+
+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"
+
+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 ${RUNNER_HOME}
+  unset UNITTEST
+  unset RUNNERHOME
+  unset RUNNER_NAME
+  unset RUNNER_REPO
+  unset RUNNER_TOKEN
+}
+
+trap cleanup SIGINT SIGTERM SIGQUIT EXIT
+
+log "Running the entrypoint"
+log ""
+
+../../../runner/entrypoint.sh 2> >(entrypoint_log)
+
+if [ "$?" != "2" ]; then
+  error "========================================="
+  error "Configuration should have thrown an error"
+  exit 1
+fi
+success "Entrypoint didn't complete successfully"
+success ""
+
+log "Checking the counter, should have 10 iterations"
+count=`cat ${RUNNER_HOME}/counter || "notfound"`
+if [ "${count}" != "10" ]; then
+  error "============================================="
+  error "The retry loop should have done 10 iterations"
+  exit 1
+fi
+success "Retry loop went up to 10"
+success
+
+log "Checking that runsvc never ran"
+if [ -f ${RUNNER_HOME}/runsvc_ran ]; then
+  error "================================================================="
+  error "runsvc was invoked, entrypoint.sh should have failed before that."
+  exit 1
+fi
+
+success "runsvc.sh never ran"
+success
+success "==========================="
+success "Test completed successfully"
+exit 0

test/entrypoint/should_switch_to_ephemeral_upstream_feature/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 a configuration step
+count=`cat counter 2>/dev/null|| echo "0"`
+count=$((count + 1))
+echo ${count} > counter
+

test/entrypoint/should_switch_to_ephemeral_upstream_feature/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 not include --once in the parameters"
+success "...successful"
+touch runsvc_ran
+success ""
+
+

test/entrypoint/should_switch_to_ephemeral_upstream_feature/test.sh

@@ -0,0 +1,81 @@
+#!/bin/bash
+
+# UNITTEST: should work as non ephemeral
+# Will simulate a scenario where ephemeral=false. expects:
+# - the configuration step to be run exactly once
+# - the entrypoint script to exit with no error
+# - the runsvc.sh script to run without the --once flag
+
+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 RUNNER_EPHEMERAL=true
+export RUNNER_FEATURE_FLAG_EPHEMERAL=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 ${RUNNER_HOME}
+  unset UNITTEST
+  unset RUNNERHOME
+  unset RUNNER_NAME
+  unset RUNNER_REPO
+  unset RUNNER_TOKEN
+  unset RUNNER_EPHEMERAL
+  unset RUNNER_FEATURE_FLAG_EPHEMERAL
+}
+
+trap cleanup SIGINT SIGTERM SIGQUIT EXIT
+
+log "Running the entrypoint"
+log ""
+
+../../../runner/entrypoint.sh 2> >(entrypoint_log)
+
+if [ "$?" != "0" ]; then
+  error "==========================================="
+  error "Entrypoint script did not exit successfully"
+  exit 1
+fi
+
+log "Testing if we went through the configuration step 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
+
+log "Testing if the configuration included the --ephemeral flag"
+if ! grep -q -- '--ephemeral' ${RUNNER_HOME}/runner_config; then
+  error "==============================================="
+  error "The configuration did not include the --ephemeral flag"
+  exit 1
+fi
+
+success "The configuration ran ${count} time(s)"
+
+log "Testing if runsvc ran"
+if [ ! -f "${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"

test/entrypoint/should_work_non_ephemeral/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 a configuration step
+count=`cat counter 2>/dev/null|| echo "0"`
+count=$((count + 1))
+echo ${count} > counter
+

test/entrypoint/should_work_non_ephemeral/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 not include --once in the parameters"
+success "...successful"
+touch runsvc_ran
+success ""
+
+

test/entrypoint/should_work_non_ephemeral/test.sh

@@ -0,0 +1,72 @@
+#!/bin/bash
+
+# UNITTEST: should work as non ephemeral
+# Will simulate a scenario where ephemeral=false. expects:
+# - the configuration step to be run exactly once
+# - the entrypoint script to exit with no error
+# - the runsvc.sh script to run without the --once flag
+
+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 RUNNER_EPHEMERAL=false
+
+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 ${RUNNER_HOME}
+  unset UNITTEST
+  unset RUNNERHOME
+  unset RUNNER_NAME
+  unset RUNNER_REPO
+  unset RUNNER_TOKEN
+  unset RUNNER_EPHEMERAL
+}
+
+trap cleanup SIGINT SIGTERM SIGQUIT EXIT
+
+log "Running the entrypoint"
+log ""
+
+../../../runner/entrypoint.sh 2> >(entrypoint_log)
+
+if [ "$?" != "0" ]; then
+  error "==========================================="
+  error "Entrypoint script did not exit successfully"
+  exit 1
+fi
+
+log "Testing if we went through the configuration step 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 ${count} time(s)"
+
+log "Testing if runsvc ran"
+if [ ! -f "${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"

test/entrypoint/should_work_normally/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_normally/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_normally/test.sh

@@ -0,0 +1,77 @@
+#!/bin/bash
+
+# UNITTEST: should work normally
+# Will simulate a normal execution scenario. expects:
+# - the configuration step to be run exactly once
+# - the entrypoint script to exit with no error
+# - the runsvc.sh script to run with the --once flag activated.
+
+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"
+
+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 --ephemeral flag"
+if grep -q -- '--ephemeral' ${RUNNER_HOME}/runner_config; then
+  error "==============================================="
+  error "The configuration should not include the --ephemeral flag"
+  exit 1
+fi
+
+log "Testing if runsvc ran"
+if [ ! -f "${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/git.go

@@ -89,7 +89,7 @@ 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", "main")
+	cmd := exec.CommandContext(ctx, "git", "push", "origin", "master")
 	cmd.Dir = dir
 	return cmd
 }