kind: ClusterRole
apiVersion: rbac.authorization.k8s.io/v1
metadata:
  name: tekton-pipelines-webhook-cluster-access
  labels:
    app.kubernetes.io/component: webhook
    app.kubernetes.io/instance: default
    app.kubernetes.io/part-of: tekton-pipelines
rules:
  # The webhook needs to be able to list and update customresourcedefinitions,
  # mainly to update the webhook certificates.
  - apiGroups: ["apiextensions.k8s.io"]
    resources: ["customresourcedefinitions", "customresourcedefinitions/status"]
    verbs: ["get", "list", "update", "patch", "watch"]
  - apiGroups: ["admissionregistration.k8s.io"]
    # The webhook performs a reconciliation on these two resources and continuously
    # updates configuration.
    resources: ["mutatingwebhookconfigurations", "validatingwebhookconfigurations"]
    # knative starts informers on these things, which is why we need get, list and watch.
    verbs: ["list", "watch"]
  - apiGroups: ["admissionregistration.k8s.io"]
    resources: ["mutatingwebhookconfigurations"]
    # This mutating webhook is responsible for applying defaults to tekton objects
    # as they are received.
    resourceNames: ["webhook.pipeline.tekton.dev"]
    # When there are changes to the configs or secrets, knative updates the mutatingwebhook config
    # with the updated certificates or the refreshed set of rules.
    verbs: ["get", "update"]
  - apiGroups: ["admissionregistration.k8s.io"]
    resources: ["validatingwebhookconfigurations"]
    # validation.webhook.pipeline.tekton.dev performs schema validation when you, for example, create TaskRuns.
    # config.webhook.pipeline.tekton.dev validates the logging configuration against knative's logging structure
    resourceNames: ["validation.webhook.pipeline.tekton.dev", "config.webhook.pipeline.tekton.dev"]
    # When there are changes to the configs or secrets, knative updates the validatingwebhook config
    # with the updated certificates or the refreshed set of rules.
    verbs: ["get", "update"]
  - apiGroups: ["policy"]
    resources: ["podsecuritypolicies"]
    resourceNames: ["tekton-pipelines"]
    verbs: ["use"]
