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feat(kustomize): add github-webhook-server overlay (#1198) 

* feat(kustomize): add github-webhook-server overlay

* chore(kustomize): add image to github-webhook-server overlay

* feat(kustomize): drop sync-period
This commit is contained in:
Michael Goodness 2022-03-29 05:00:55 -05:00 committed by GitHub
parent ecc8b4472a
commit a95983fb98
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8 changed files with 218 additions and 11 deletions
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2
README.md
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@ -668,7 +668,7 @@ The primary benefit of autoscaling on Webhook compared to the pull driven scalin
> You can learn the implementation details in [#282](https://github.com/actions-runner-controller/actions-runner-controller/pull/282)
To enable this feature, you firstly need to install the webhook server, currently, only our Helm chart has the ability install it:
To enable this feature, you first need to install the GitHub webhook server. To install via our Helm chart,
_[see the values documentation for all configuration options](https://github.com/actions-runner-controller/actions-runner-controller/blob/master/charts/actions-runner-controller/README.md)_
```console

23
config/default/gh-webhook-server-auth-proxy-patch.yaml Normal file
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@ -0,0 +1,23 @@
# This patch injects an HTTP proxy sidecar container that performs RBAC
# authorization against the Kubernetes API using SubjectAccessReviews.
apiVersion: apps/v1
kind: Deployment
metadata:
name: github-webhook-server
spec:
template:
spec:
containers:
- name: kube-rbac-proxy
image: quay.io/brancz/kube-rbac-proxy:v0.10.0
args:
- '--secure-listen-address=0.0.0.0:8443'
- '--upstream=http://127.0.0.1:8080/'
- '--logtostderr=true'
- '--v=10'
ports:
- containerPort: 8443
name: https
- name: github-webhook-server
args:
- '--metrics-addr=127.0.0.1:8080'

25
config/default/kustomization.yaml
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@ -20,19 +20,22 @@ bases:
- ../webhook
# [CERTMANAGER] To enable cert-manager, uncomment all sections with 'CERTMANAGER'. 'WEBHOOK' components are required.
- ../certmanager
# [PROMETHEUS] To enable prometheus monitor, uncomment all sections with 'PROMETHEUS'.
# [PROMETHEUS] To enable prometheus monitor, uncomment all sections with 'PROMETHEUS'.
#- ../prometheus
# [GH_WEBHOOK_SERVER] To enable the GitHub webhook server, uncomment all sections with 'GH_WEBHOOK_SERVER'.
#- ../github-webhook-server
patchesStrategicMerge:
# Protect the /metrics endpoint by putting it behind auth.
# Only one of manager_auth_proxy_patch.yaml and
# manager_prometheus_metrics_patch.yaml should be enabled.
# Protect the /metrics endpoint by putting it behind auth.
# Only one of manager_auth_proxy_patch.yaml and
# manager_prometheus_metrics_patch.yaml should be enabled.
- manager_auth_proxy_patch.yaml
# If you want your controller-manager to expose the /metrics
# endpoint w/o any authn/z, uncomment the following line and
# comment manager_auth_proxy_patch.yaml.
# Only one of manager_auth_proxy_patch.yaml and
# manager_prometheus_metrics_patch.yaml should be enabled.
# If you want your controller-manager to expose the /metrics
# endpoint w/o any authn/z, uncomment the following line and
# comment manager_auth_proxy_patch.yaml.
# Only one of manager_auth_proxy_patch.yaml and
# manager_prometheus_metrics_patch.yaml should be enabled.
#- manager_prometheus_metrics_patch.yaml
# [WEBHOOK] To enable webhook, uncomment all the sections with [WEBHOOK] prefix including the one in crd/kustomization.yaml
@ -43,6 +46,10 @@ patchesStrategicMerge:
# 'CERTMANAGER' needs to be enabled to use ca injection
- webhookcainjection_patch.yaml
# [GH_WEBHOOK_SERVER] To enable the GitHub webhook server, uncomment all sections with 'GH_WEBHOOK_SERVER'.
# Protect the GitHub webhook server metrics endpoint by putting it behind auth.
# - gh-webhook-server-auth-proxy-patch.yaml
# the following config is for teaching kustomize how to do var substitution
vars:
# [CERTMANAGER] To enable cert-manager, uncomment all sections with 'CERTMANAGER' prefix.

1
config/default/manager_auth_proxy_patch.yaml
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@ -23,4 +23,3 @@ spec:
args:
- "--metrics-addr=127.0.0.1:8080"
- "--enable-leader-election"
- "--sync-period=10m"

37
config/github-webhook-server/deployment.yaml Normal file
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@ -0,0 +1,37 @@
apiVersion: apps/v1
kind: Deployment
metadata:
labels:
app.kubernetes.io/component: github-webhook-server
app.kubernetes.io/part-of: actions-runner-controller
name: github-webhook-server
spec:
replicas: 1
selector:
matchLabels:
app.kubernetes.io/component: github-webhook-server
app.kubernetes.io/part-of: actions-runner-controller
template:
metadata:
labels:
app.kubernetes.io/component: github-webhook-server
app.kubernetes.io/part-of: actions-runner-controller
spec:
containers:
- name: github-webhook-server
image: controller:latest
command:
- '/github-webhook-server'
env:
- name: GITHUB_WEBHOOK_SECRET_TOKEN
valueFrom:
secretKeyRef:
key: github_webhook_secret_token
name: github-webhook-server
optional: true
ports:
- containerPort: 8000
name: http
protocol: TCP
serviceAccountName: github-webhook-server
terminationGracePeriodSeconds: 10

12
config/github-webhook-server/kustomization.yaml Normal file
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@ -0,0 +1,12 @@
apiVersion: kustomize.config.k8s.io/v1beta1
kind: Kustomization
images:
- name: controller
newName: summerwind/actions-runner-controller
newTag: latest
resources:
- deployment.yaml
- rbac.yaml
- service.yaml

113
config/github-webhook-server/rbac.yaml Normal file
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@ -0,0 +1,113 @@
apiVersion: v1
kind: ServiceAccount
metadata:
labels:
app.kubernetes.io/component: github-webhook-server
app.kubernetes.io/part-of: actions-runner-controller
name: github-webhook-server
---
apiVersion: rbac.authorization.k8s.io/v1
kind: ClusterRole
metadata:
labels:
app.kubernetes.io/component: github-webhook-server
app.kubernetes.io/part-of: actions-runner-controller
name: github-webhook-server
rules:
- apiGroups:
- actions.summerwind.dev
resources:
- horizontalrunnerautoscalers
verbs:
- get
- list
- patch
- update
- watch
- apiGroups:
- actions.summerwind.dev
resources:
- horizontalrunnerautoscalers/finalizers
verbs:
- create
- delete
- get
- list
- patch
- update
- watch
- apiGroups:
- actions.summerwind.dev
resources:
- horizontalrunnerautoscalers/status
verbs:
- get
- patch
- update
- apiGroups:
- actions.summerwind.dev
resources:
- runnersets
verbs:
- get
- list
- watch
- apiGroups:
- actions.summerwind.dev
resources:
- runnerdeployments
verbs:
- create
- delete
- get
- list
- patch
- update
- watch
- apiGroups:
- actions.summerwind.dev
resources:
- runnerdeployments/finalizers
verbs:
- create
- delete
- get
- list
- patch
- update
- watch
- apiGroups:
- actions.summerwind.dev
resources:
- runnerdeployments/status
verbs:
- get
- patch
- update
- apiGroups:
- authentication.k8s.io
resources:
- tokenreviews
verbs:
- create
- apiGroups:
- authorization.k8s.io
resources:
- subjectaccessreviews
verbs:
- create
---
apiVersion: rbac.authorization.k8s.io/v1
kind: ClusterRoleBinding
metadata:
labels:
app.kubernetes.io/component: github-webhook-server
app.kubernetes.io/part-of: actions-runner-controller
name: github-webhook-server
roleRef:
apiGroup: rbac.authorization.k8s.io
kind: ClusterRole
name: github-webhook-server
subjects:
- kind: ServiceAccount
name: github-webhook-server

16
config/github-webhook-server/service.yaml Normal file
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@ -0,0 +1,16 @@
apiVersion: v1
kind: Service
metadata:
labels:
app.kubernetes.io/component: github-webhook-server
app.kubernetes.io/part-of: actions-runner-controller
name: github-webhook-server
spec:
ports:
- port: 80
targetPort: http
protocol: TCP
name: http
selector:
app.kubernetes.io/component: github-webhook-server
app.kubernetes.io/part-of: actions-runner-controller