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---
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title: "patches"
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linkTitle: "patches"
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type: docs
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description: >
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Patch resources
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---
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[strategic merge]: /kustomize/zh/api-reference/glossary#patchstrategicmerge
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[JSON]: /kustomize/zh/api-reference/glossary#patchjson6902
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Patches 在资源上添加或覆盖字段,Kustomization 使用 `patches` 字段来提供该功能。
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`patches` 字段包含要按指定顺序应用的 patch 列表。
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patch 可以:
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- 是一个 [strategic merge] patch,或者是一个 [JSON] patch。
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- 也可以是 patch 文件或 inline string
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- 针对单个资源或多个资源
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目标选择器可以通过 group、version、kind、name、namespace、标签选择器和注释选择器来选择资源,选择一个或多个匹配所有**指定**字段的资源来应用 patch。
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```yaml
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apiVersion: kustomize.config.k8s.io/v1beta1
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kind: Kustomization
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patches:
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- path: patch.yaml
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target:
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group: apps
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version: v1
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kind: Deployment
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name: deploy.*
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labelSelector: "env=dev"
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annotationSelector: "zone=west"
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- patch: |-
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- op: replace
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path: /some/existing/path
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value: new value
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target:
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kind: MyKind
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labelSelector: "env=dev"
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```
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patch 目标选择器的 `name` 和 `namespace` 字段是自动锚定的正则表达式。这意味着 `myapp` 的值相当于 `^myapp$`。
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