6.2. 配置镜像流

要为应用程序自定义镜像检索和安全策略，请在 OpenShift Container Platform 中配置镜像流。此过程允许您定义镜像拉取规格、管理标签和控制可靠应用程序部署所需的访问权限。

ImageStream 对象文件包含以下元素。

镜像流对象定义

apiVersion: image.openshift.io/v1
kind: ImageStream
metadata:
  annotations:
    openshift.io/generated-by: OpenShiftNewApp
  labels:
    app: ruby-sample-build
    template: application-template-stibuild
  name: origin-ruby-sample
  namespace: test
spec: {}
status:
  dockerImageRepository: 172.30.56.218:5000/test/origin-ruby-sample
  tags:
  - items:
    - created: 2017-09-02T10:15:09Z
      dockerImageReference: 172.30.56.218:5000/test/origin-ruby-sample@sha256:47463d94eb5c049b2d23b03a9530bf944f8f967a0fe79147dd6b9135bf7dd13d
      generation: 2
      image: sha256:909de62d1f609a717ec433cc25ca5cf00941545c83a01fb31527771e1fab3fc5
    - created: 2017-09-01T13:40:11Z
      dockerImageReference: 172.30.56.218:5000/test/origin-ruby-sample@sha256:909de62d1f609a717ec433cc25ca5cf00941545c83a01fb31527771e1fab3fc5
      generation: 1
      image: sha256:47463d94eb5c049b2d23b03a9530bf944f8f967a0fe79147dd6b9135bf7dd13d
    tag: latest

apiVersion: image.openshift.io/v1
kind: ImageStream
metadata:
  annotations:
    openshift.io/generated-by: OpenShiftNewApp
  labels:
    app: ruby-sample-build
    template: application-template-stibuild
  name: origin-ruby-sample
  namespace: test
spec: {}
status:
  dockerImageRepository: 172.30.56.218:5000/test/origin-ruby-sample
  tags:
  - items:
    - created: 2017-09-02T10:15:09Z
      dockerImageReference: 172.30.56.218:5000/test/origin-ruby-sample@sha256:47463d94eb5c049b2d23b03a9530bf944f8f967a0fe79147dd6b9135bf7dd13d
      generation: 2
      image: sha256:909de62d1f609a717ec433cc25ca5cf00941545c83a01fb31527771e1fab3fc5
    - created: 2017-09-01T13:40:11Z
      dockerImageReference: 172.30.56.218:5000/test/origin-ruby-sample@sha256:909de62d1f609a717ec433cc25ca5cf00941545c83a01fb31527771e1fab3fc5
      generation: 1
      image: sha256:47463d94eb5c049b2d23b03a9530bf944f8f967a0fe79147dd6b9135bf7dd13d
    tag: latest

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name: 指定镜像流的名称
ruby-sample: 指定 Docker 存储库路径，其中可推送(push)新镜像以在此镜像流中添加或更新这些镜像。
dockerImageReference: 指定此镜像流标签当前引用的 SHA 标识符。引用此镜像流标签的资源使用此标识符
image: 指定之前引用的此镜像流标签的 SHA 标识符。您可以使用它回滚到旧镜像。
tag: 指定镜像流标签名称。

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6.2. 配置镜像流

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