4.7.2.3. Admission Webhook 示例

以下是一个准入 Webhook 示例，它将不允许在命名空间被保留时创建命名空间 ：

apiVersion: admissionregistration.k8s.io/v1beta1
  kind: ValidatingWebhookConfiguration
  metadata:
    name: namespacereservations.admission.online.openshift.io
  webhooks:
  - name: namespacereservations.admission.online.openshift.io
    clientConfig:
      service:
        namespace: default
        name: webhooks
       path: /apis/admission.online.openshift.io/v1beta1/namespacereservations
      caBundle: KUBE_CA_HERE
    rules:
    - operations:
      - CREATE
      apiGroups:
      - ""
      apiVersions:
      - "b1"
      resources:
      - namespaces
    failurePolicy: Ignore

以下是一个由名为 webhook 的准入 webhook 评估的 pod 示例：

apiVersion: v1
kind: Pod
metadata:
  labels:
    role: webhook
  name: webhook
spec:
  containers:
    - name: webhook
      image: myrepo/myimage:latest
      imagePullPolicy: IfNotPresent
      ports:
- containerPort: 8000

以下是 webhook 的前端服务：

apiVersion: v1
kind: Service
metadata:
  labels:
    role: webhook
  name: webhook
spec:
  ports:
    - port: 443
      targetPort: 8000
  selector:
role: webhook