11.5. 测试 ImagePolicy Admission 插件

使用 openshift/image-policy-check 来测试您的配置。

例如，使用以上信息，然后测试如下：

oc import-image openshift/image-policy-check:latest --confirm

$ oc import-image openshift/image-policy-check:latest --confirm

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使用此 YAML 创建 pod。应当创建 pod。

apiVersion: v1
kind: Pod
metadata:
  generateName: test-pod
spec:
  containers:
  - image: docker.io/openshift/image-policy-check:latest
    name: first

apiVersion: v1
kind: Pod
metadata:
  generateName: test-pod
spec:
  containers:
  - image: docker.io/openshift/image-policy-check:latest
    name: first

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创建指向其他 Registry 的另一个 pod。pod 应该被拒绝。

apiVersion: v1
kind: Pod
metadata:
  generateName: test-pod
spec:
  containers:
  - image: different-registry/openshift/image-policy-check:latest
    name: first

apiVersion: v1
kind: Pod
metadata:
  generateName: test-pod
spec:
  containers:
  - image: different-registry/openshift/image-policy-check:latest
    name: first

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使用导入的镜像创建指向内部 Registry 的 pod。pod 应该被创建，如果您查看镜像规格，您应该会看到一个摘要来代替标签。

apiVersion: v1
kind: Pod
metadata:
  generateName: test-pod
spec:
  containers:
  - image: <internal registry IP>:5000/<namespace>/image-policy-check:latest
    name: first

apiVersion: v1
kind: Pod
metadata:
  generateName: test-pod
spec:
  containers:
  - image: <internal registry IP>:5000/<namespace>/image-policy-check:latest
    name: first

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使用导入的镜像创建指向内部 Registry 的 pod。pod 应该被创建，如果您查看镜像规格，您应该会看到该标签未修改。

apiVersion: v1
kind: Pod
metadata:
  generateName: test-pod
spec:
  containers:
  - image: <internal registry IP>:5000/<namespace>/image-policy-check:v1
    name: first

apiVersion: v1
kind: Pod
metadata:
  generateName: test-pod
spec:
  containers:
  - image: <internal registry IP>:5000/<namespace>/image-policy-check:v1
    name: first

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从 oc get istag/image-policy-check:latest 获取摘要，并将其用于 oc annotate images/<digest> images.openshift.io/deny-execution=true。例如：

oc annotate images/sha256:09ce3d8b5b63595ffca6636c7daefb1a615a7c0e3f8ea68e5db044a9340d6ba8 images.openshift.io/deny-execution=true

$ oc annotate images/sha256:09ce3d8b5b63595ffca6636c7daefb1a615a7c0e3f8ea68e5db044a9340d6ba8 images.openshift.io/deny-execution=true

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再次创建此 pod，您应该会看到 pod 被拒绝：

apiVersion: v1
kind: Pod
metadata:
  generateName: test-pod
spec:
  containers:
  - image: <internal registry IP>:5000/<namespace>/image-policy-check:latest
    name: first

apiVersion: v1
kind: Pod
metadata:
  generateName: test-pod
spec:
  containers:
  - image: <internal registry IP>:5000/<namespace>/image-policy-check:latest
    name: first

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