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add zh docs plugins-builtions.md
This commit is contained in:
guoxudong
@@ -1,18 +1,18 @@
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# Kustomization 文件字段
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[field-name-namespace]: ../plugins/builtins.md#field-name-namespace
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[field-name-images]: ../plugins/builtins.md#field-name-images
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[field-names-namePrefix-nameSuffix]: ../plugins/builtins.md#field-names-namePrefix-nameSuffix
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[field-name-patches]: ../plugins/builtins.md#field-name-patches
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[field-name-patchesStrategicMerge]: ../plugins/builtins.md#field-name-patchesStrategicMerge
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[field-name-patchesJson6902]: ../plugins/builtins.md#field-name-patchesJson6902
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[field-name-replicas]: ../plugins/builtins.md#field-name-replicas
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[field-name-secretGenerator]: ../plugins/builtins.md#field-name-secretGenerator
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[field-name-commonLabels]: ../plugins/builtins.md#field-name-commonLabels
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[field-name-commonAnnotations]: ../plugins/builtins.md#field-name-commonAnnotations
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[field-name-configMapGenerator]: ../plugins/builtins.md#field-name-configMapGenerator
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[field-name-namespace]: plugins-builtins.md#字段名称namespace
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[field-name-images]: plugins-builtins.md#字段名称images
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[field-names-namePrefix-nameSuffix]: plugins-builtins.md#字段名称namePrefix-nameSuffix
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[field-name-patches]: plugins-builtins.md#字段名称patches
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[field-name-patchesStrategicMerge]: plugins-builtins.md#字段名称patchesStrategicMerge
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[field-name-patchesJson6902]: plugins-builtins.md#字段名称patchesJson6902
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[field-name-replicas]: plugins-builtins.md#字段名称replicas
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[field-name-secretGenerator]: plugins-builtins.md#字段名称secretGenerator
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[field-name-commonLabels]: plugins-builtins.md#字段名称commonLabels
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[field-name-commonAnnotations]: plugins-builtins.md#字段名称commonAnnotations
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[field-name-configMapGenerator]: plugins-builtins.md#字段名称configMapGenerator
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介绍 [kustomization.yaml](../glossary.md#kustomization) 配置文件中各字段的含义。
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介绍 [kustomization.yaml](glossary.md#kustomization) 配置文件中各字段的含义。
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## Resources
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@@ -32,7 +32,7 @@
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|[configMapGenerator](#configmapgenerator)| list | 列表中的每个条目都将生成一个 ConfigMap （合计可以生成 n 个 ConfigMap）。 |
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|[secretGenerator](#secretgenerator)| list | 列表中的每个条目都将生成一个 Secret（合计可以生成 n 个 Secrets）。 |
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|[generatorOptions](#generatoroptions)| string | generatorOptions 可以修改所有 ConfigMapGenerator 和 SecretGenerator 的行为。 |
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|[generators](#generators)| list | [插件](../plugins)配置文件。 |
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|[generators](#generators)| list | [插件](plugins.md)配置文件。 |
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## Transformers
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@@ -50,7 +50,7 @@
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| [replicas](#replicas) | list | 修改资源的副本数。 |
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| [patchesStrategicMerge](#patchesstrategicmerge) | list | 此列表中的每个条目都应可以解析为部分或完整的资源定义文件。 |
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| [patchesJson6902](#patchesjson6902) | list | 列表中的每个条目都应可以解析为 Kubernetes 对象和将应用于该对象的 JSON patch 。 |
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| [transformers](#transformers) | list | [插件](../plugins)配置文件。 |
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| [transformers](#transformers) | list | [插件](plugins.md)配置文件。 |
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## Meta
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@@ -135,7 +135,7 @@ generatorOptions:
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### generators
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[插件](../plugins)生成器配置文件列表。
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[插件](plugins.md)生成器配置文件列表。
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```
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generators:
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@@ -149,7 +149,7 @@ generators:
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### inventory
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详见 [inventory object](inventory_object.md)。
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详见 [inventory object](../inventory_object.md)。
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### kind
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656
docs/zh/plugins-builtins.md
Normal file
656
docs/zh/plugins-builtins.md
Normal file
@@ -0,0 +1,656 @@
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<!--
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TODO: Generate this file (or files) from
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data in directories under plugin/builtin.
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This file too hard to maintain distinctly
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from what's going on in those directories.
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We could expand pluginator to do this, since
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it already scans the relevant files in the
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relevant directory to generate the static
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factory methods for plugins.
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-->
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# 内置插件
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内置插件包括生成器和转化器。
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每个插件都可以通过如下两种方式触发：
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* 通过 kustomization 文件的字段隐式触发插件，例如 `AnnotationsTransformer` 就是由 `commonAnnotations` 字段触发的。
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* 通过 `generators` 或 `transformers` 字段显示触发插件（通过指定插件的配置文件）。
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前一种方法比较方便，但功能有限，因为大多数插件参数都必须是默认的，而后一种方法允许传入完整的插件参数。
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[types.GeneratorOptions]: ../../api/types/generatoroptions.go
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[types.SecretArgs]: ../../api/types/secretargs.go
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[types.ConfigMapArgs]: ../../api/types/configmapargs.go
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[config.FieldSpec]: ../../api/types/fieldspec.go
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[types.ObjectMeta]: ../../api/types/objectmeta.go
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[types.Selector]: ../../api/types/selector.go
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[types.Replica]: ../../api/types/replica.go
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[types.PatchStrategicMerge]: ../../api/types/patchstrategicmerge.go
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[types.PatchTarget]: ../../api/types/patchtarget.go
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[image.Image]: ../../api/types/image.go
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## _AnnotationTransformer_
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### 使用 `kustomization.yaml`
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#### 字段名称：`commonAnnotations`
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为所有资源添加注释，和标签一样以 key: value 的形式。
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```
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commonAnnotations:
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oncallPager: 800-555-1212
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```
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### 使用插件
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#### Arguments
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> Annotations map\[string\]string
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>
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> FieldSpecs \[\][config.FieldSpec]
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#### Example
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> ```
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> apiVersion: builtin
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> kind: AnnotationsTransformer
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> metadata:
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> name: not-important-to-example
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> annotations:
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> app: myApp
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> greeting/morning: a string with blanks
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> fieldSpecs:
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> - path: metadata/annotations
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> create: true
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> ```
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## _ConfigMapGenerator_
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### 使用 `kustomization.yaml`
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#### 字段名称：`configMapGenerator`
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列表中的每个条目都将生成一个 ConfigMap （合计可以生成 n 个 ConfigMap）。
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下面的示例会生成 3 个ConfigMap：第一个带有给定文件的名称和内容，第二个将在 data 中添加 key/value，第三个通过 `options` 为单个 ConfigMap 设置注释和标签。
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每个 configMapGenerator 项均接受的参数 `behavior: [create|replace|merge]`，这个参数允许修改或替换父级现有的 configMap。
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此外，每个条目都有一个 `options` 字段，该字段具有与 kustomization 文件的 `generatorOptions` 字段相同的子字段。
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`options` 字段允许用户为生成的实例添加标签和（或）注释，或者分别禁用该实例名称的哈希后缀。此处添加的标签和注释不会被 kustomization 文件 `generatorOptions` 字段关联的全局选项覆盖。但是如果全局 `generatorOptions` 字段指定 `disableNameSuffixHash: true`，其他 `options` 的设置将无法将其覆盖。
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```
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# 这个标签将添加到所有的 ConfigMap 和 Secret 中。
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generatorOptions:
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labels:
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fruit: apple
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configMapGenerator:
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- name: my-java-server-props
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behavior: merge
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files:
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- application.properties
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- more.properties
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- name: my-java-server-env-vars
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literals:
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- JAVA_HOME=/opt/java/jdk
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- JAVA_TOOL_OPTIONS=-agentlib:hprof
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options:
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disableNameSuffixHash: true
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labels:
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pet: dog
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- name: dashboards
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files:
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- mydashboard.json
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options:
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annotations:
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dashboard: "1"
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labels:
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app.kubernetes.io/name: "app1"
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```
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这里也可以[定义一个 key](https://kubernetes.io/docs/tasks/configure-pod-container/configure-pod-configmap/#define-the-key-to-use-when-creating-a-configmap-from-a-file) 来为文件设置不同名称。
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下面这个示例会创建一个 ConfigMap，并将 `whatever.ini` 重命名为 `myFileName.ini`：
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```
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configMapGenerator:
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- name: app-whatever
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files:
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- myFileName.ini=whatever.ini
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```
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### 使用插件
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#### Arguments
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> [types.ConfigMapArgs]
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#### Example
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> ```
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> apiVersion: builtin
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> kind: ConfigMapGenerator
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> metadata:
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> name: mymap
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> envs:
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> - devops.env
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> - uxteam.env
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> literals:
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> - FRUIT=apple
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> - VEGETABLE=carrot
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> ```
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## _ImageTagTransformer_
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### 使用 `kustomization.yaml`
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#### 字段名称：`images`
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修改镜像的名称、tag 或 image digest ，而无需使用 patches 。例如，对于这种 kubernetes Deployment 片段：
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```
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containers:
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- name: mypostgresdb
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image: postgres:8
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- name: nginxapp
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image: nginx:1.7.9
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- name: myapp
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image: my-demo-app:latest
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- name: alpine-app
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image: alpine:3.7
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```
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想要将 `image` 做如下更改：
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|
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- 将 `postgres:8` 改为 `my-registry/my-postgres:v1`
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- 将 nginx tag 从 `1.7.9` 改为 `1.8.0`
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- 将镜像名称 `my-demo-app` 改为 `my-app`
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- 将 alpine 的 tag `3.7` 改为 digest 值
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只需在 *kustomization* 中添加以下内容：
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```
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images:
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- name: postgres
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newName: my-registry/my-postgres
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newTag: v1
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- name: nginx
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newTag: 1.8.0
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- name: my-demo-app
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newName: my-app
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- name: alpine
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digest: sha256:24a0c4b4a4c0eb97a1aabb8e29f18e917d05abfe1b7a7c07857230879ce7d3d3
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```
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### 使用插件
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#### Arguments
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> ImageTag [image.Image]
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>
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> FieldSpecs \[\][config.FieldSpec]
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|
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#### Example
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> ```
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> apiVersion: builtin
|
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> kind: ImageTagTransformer
|
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> metadata:
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> name: not-important-to-example
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> imageTag:
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> name: nginx
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> newTag: v2
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> ```
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|
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## _LabelTransformer_
|
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### 使用 `kustomization.yaml`
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#### 字段名称：`commonLabels`
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|
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为所有资源和 selectors 增加标签。
|
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|
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```
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commonLabels:
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someName: someValue
|
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owner: alice
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app: bingo
|
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```
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### 使用插件
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#### Arguments
|
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|
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> Labels map\[string\]string
|
||||
>
|
||||
> FieldSpecs \[\][config.FieldSpec]
|
||||
|
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#### Example
|
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> ```
|
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> apiVersion: builtin
|
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> kind: LabelTransformer
|
||||
> metadata:
|
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> name: not-important-to-example
|
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> labels:
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> app: myApp
|
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> env: production
|
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> fieldSpecs:
|
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> - path: metadata/labels
|
||||
> create: true
|
||||
> ```
|
||||
|
||||
|
||||
## _NamespaceTransformer_
|
||||
|
||||
### 使用 `kustomization.yaml`
|
||||
|
||||
#### 字段名称：`namespace`
|
||||
|
||||
为所有资源添加 namespace。
|
||||
|
||||
```
|
||||
namespace: my-namespace
|
||||
```
|
||||
|
||||
### 使用插件
|
||||
|
||||
#### Arguments
|
||||
|
||||
> [types.ObjectMeta]
|
||||
>
|
||||
> FieldSpecs \[\][config.FieldSpec]
|
||||
|
||||
#### Example
|
||||
> ```
|
||||
> apiVersion: builtin
|
||||
> kind: NamespaceTransformer
|
||||
> metadata:
|
||||
> name: not-important-to-example
|
||||
> namespace: test
|
||||
> fieldSpecs:
|
||||
> - path: metadata/namespace
|
||||
> create: true
|
||||
> - path: subjects
|
||||
> kind: RoleBinding
|
||||
> group: rbac.authorization.k8s.io
|
||||
> - path: subjects
|
||||
> kind: ClusterRoleBinding
|
||||
> group: rbac.authorization.k8s.io
|
||||
> ```
|
||||
|
||||
## _PatchesJson6902_
|
||||
|
||||
### 使用 `kustomization.yaml`
|
||||
|
||||
#### 字段名称：`patchesJson6902`
|
||||
|
||||
patchesJson6902 列表中的每个条目都应可以解析为 kubernetes 对象和将应用于该对象的 JSON patch。
|
||||
|
||||
JSON patch 的文档地址：https://tools.ietf.org/html/rfc6902
|
||||
|
||||
目标字段指向的 kubernetes 对象的 group、 version、 kind、 name 和 namespace 在同一 kustomization 内 path 字段内容是 JSON patch 文件的相对路径。
|
||||
|
||||
patch 文件中的内容可以如下这种 JSON 格式：
|
||||
|
||||
```
|
||||
[
|
||||
{"op": "add", "path": "/some/new/path", "value": "value"},
|
||||
{"op": "replace", "path": "/some/existing/path", "value": "new value"}
|
||||
]
|
||||
```
|
||||
|
||||
也可以使用 YAML 格式表示：
|
||||
|
||||
```
|
||||
- op: add
|
||||
path: /some/new/path
|
||||
value: value
|
||||
- op: replace
|
||||
path: /some/existing/path
|
||||
value: new value
|
||||
```
|
||||
|
||||
```
|
||||
patchesJson6902:
|
||||
- target:
|
||||
version: v1
|
||||
kind: Deployment
|
||||
name: my-deployment
|
||||
path: add_init_container.yaml
|
||||
- target:
|
||||
version: v1
|
||||
kind: Service
|
||||
name: my-service
|
||||
path: add_service_annotation.yaml
|
||||
```
|
||||
|
||||
patch 内容也可以是一个inline string：
|
||||
|
||||
```
|
||||
patchesJson6902:
|
||||
- target:
|
||||
version: v1
|
||||
kind: Deployment
|
||||
name: my-deployment
|
||||
patch: |-
|
||||
- op: add
|
||||
path: /some/new/path
|
||||
value: value
|
||||
- op: replace
|
||||
path: /some/existing/path
|
||||
value: "new value"
|
||||
```
|
||||
|
||||
### 使用插件
|
||||
|
||||
#### Arguments
|
||||
> Target [types.PatchTarget]
|
||||
>
|
||||
> Path string
|
||||
>
|
||||
> JsonOp string
|
||||
|
||||
#### Example
|
||||
> ```
|
||||
> apiVersion: builtin
|
||||
> kind: PatchJson6902Transformer
|
||||
> metadata:
|
||||
> name: not-important-to-example
|
||||
> target:
|
||||
> group: apps
|
||||
> version: v1
|
||||
> kind: Deployment
|
||||
> name: my-deploy
|
||||
> path: jsonpatch.json
|
||||
> ```
|
||||
|
||||
|
||||
## _PatchesStrategicMerge_
|
||||
|
||||
### 使用 `kustomization.yaml`
|
||||
|
||||
#### 字段名称：`patchesStrategicMerge`
|
||||
|
||||
此列表中的每个条目都应可以解析为部分或完整的资源定义文件。
|
||||
|
||||
这些（也可能是部分的）资源文件中的 name 必须与已经通过 `resources` 加载的 name 字段匹配，或者通过 `bases` 中的 name 字段匹配。这些条目将用于 _patch_（修改）已知资源。
|
||||
|
||||
推荐使用小的 patches，例如：修改内存的 request/limit，更改 ConfigMap 中的 env 变量等。小的 patches 易于维护和查看，并且易于在 overlays 中混合使用。
|
||||
|
||||
```
|
||||
patchesStrategicMerge:
|
||||
- service_port_8888.yaml
|
||||
- deployment_increase_replicas.yaml
|
||||
- deployment_increase_memory.yaml
|
||||
```
|
||||
|
||||
patch 内容也可以是一个inline string：
|
||||
|
||||
```
|
||||
patchesStrategicMerge:
|
||||
- |-
|
||||
apiVersion: apps/v1
|
||||
kind: Deployment
|
||||
metadata:
|
||||
name: nginx
|
||||
spec:
|
||||
template:
|
||||
spec:
|
||||
containers:
|
||||
- name: nginx
|
||||
image: nignx:latest
|
||||
```
|
||||
|
||||
请注意，kustomize 不支持同一个 patch 对象中包含多个 _删除_ 指令。要从一个对象中删除多个字段或切片元素，需要创建一个单独的 patch，以执行所有需要的删除。
|
||||
|
||||
### 使用插件
|
||||
|
||||
#### Arguments
|
||||
|
||||
> Paths \[\][types.PatchStrategicMerge]
|
||||
>
|
||||
> Patches string
|
||||
|
||||
|
||||
#### Example
|
||||
> ```
|
||||
> apiVersion: builtin
|
||||
> kind: PatchStrategicMergeTransformer
|
||||
> metadata:
|
||||
> name: not-important-to-example
|
||||
> paths:
|
||||
> - patch.yaml
|
||||
> ```
|
||||
|
||||
|
||||
## _PatchTransformer_
|
||||
|
||||
### 使用 `kustomization.yaml`
|
||||
|
||||
#### 字段名称：`patches`
|
||||
|
||||
这个列表中的每个条目应该解析到一个 Patch 对象，其中包括一个 patch 和一个目标选择器。patch 可以是策略合并 patch 或JSON patch，也可以是 patch 文件或 inline string。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，选择一个匹配所有指定字段的资源来应用 patch。
|
||||
|
||||
```
|
||||
patches:
|
||||
- path: patch.yaml
|
||||
target:
|
||||
group: apps
|
||||
version: v1
|
||||
kind: Deployment
|
||||
name: deploy.*
|
||||
labelSelector: "env=dev"
|
||||
annotationSelector: "zone=west"
|
||||
- patch: |-
|
||||
- op: replace
|
||||
path: /some/existing/path
|
||||
value: new value
|
||||
target:
|
||||
kind: MyKind
|
||||
labelSelector: "env=dev"
|
||||
```
|
||||
|
||||
The `name` and `namespace` fields of the patch target selector are
|
||||
automatically anchored regular expressions. This means that the value `myapp`
|
||||
is equivalent to `^myapp$`.
|
||||
|
||||
### 使用插件
|
||||
|
||||
#### Arguments
|
||||
|
||||
> Path string
|
||||
>
|
||||
> Patch string
|
||||
>
|
||||
> Target \*[types.Selector]
|
||||
|
||||
#### Example
|
||||
> ```
|
||||
> apiVersion: builtin
|
||||
> kind: PatchTransformer
|
||||
> metadata:
|
||||
> name: not-important-to-example
|
||||
> patch: '[{"op": "replace", "path": "/spec/template/spec/containers/0/image", "value": "nginx:latest"}]'
|
||||
> target:
|
||||
> name: .*Deploy
|
||||
> kind: Deployment
|
||||
> ```
|
||||
|
||||
## _PrefixSuffixTransformer_
|
||||
|
||||
### 使用 `kustomization.yaml`
|
||||
|
||||
#### 字段名称：`namePrefix`, `nameSuffix`
|
||||
|
||||
为所有资源的名称添加前缀或后缀。
|
||||
|
||||
例如：将 deployment 名称从 `wordpress` 变为 `alices-wordpress` 或 `wordpress-v2` 或 `alices-wordpress-v2`。
|
||||
|
||||
```
|
||||
namePrefix: alices-
|
||||
nameSuffix: -v2
|
||||
```
|
||||
|
||||
如果资源类型是 ConfigMap 或 Secret，则在哈希值之前添加后缀。
|
||||
|
||||
### 使用插件
|
||||
|
||||
#### Arguments
|
||||
|
||||
> Prefix string
|
||||
>
|
||||
> Suffix string
|
||||
>
|
||||
> FieldSpecs \[\][config.FieldSpec]
|
||||
|
||||
#### Example
|
||||
|
||||
> ```
|
||||
> apiVersion: builtin
|
||||
> kind: PrefixSuffixTransformer
|
||||
> metadata:
|
||||
> name: not-important-to-example
|
||||
> prefix: baked-
|
||||
> suffix: -pie
|
||||
> fieldSpecs:
|
||||
> - path: metadata/name
|
||||
> ```
|
||||
|
||||
|
||||
## _ReplicaCountTransformer_
|
||||
|
||||
### 使用 `kustomization.yaml`
|
||||
|
||||
#### 字段名称：`replicas`
|
||||
|
||||
修改资源的副本数。
|
||||
|
||||
例如：对于如下 kubernetes Deployment 片段：
|
||||
|
||||
```
|
||||
kind: Deployment
|
||||
metadata:
|
||||
name: deployment-name
|
||||
spec:
|
||||
replicas: 3
|
||||
```
|
||||
|
||||
在 kustomization 中添加以下内容，将副本数更改为 5：
|
||||
|
||||
```
|
||||
replicas:
|
||||
- name: deployment-name
|
||||
count: 5
|
||||
```
|
||||
|
||||
该字段内容为列表，所以可以同时修改许多资源。
|
||||
|
||||
由于这个声明无法设置 `kind:` 或 `group:`，所以他只能匹配如下资源中的一种：
|
||||
- `Deployment`
|
||||
- `ReplicationController`
|
||||
- `ReplicaSet`
|
||||
- `StatefulSet`
|
||||
|
||||
对于更复杂的用例，请使用 patch 。
|
||||
|
||||
### 使用插件
|
||||
|
||||
#### Arguments
|
||||
|
||||
> Replica [types.Replica]
|
||||
>
|
||||
> FieldSpecs \[\][config.FieldSpec]
|
||||
|
||||
#### Example
|
||||
|
||||
> ```
|
||||
> apiVersion: builtin
|
||||
> kind: ReplicaCountTransformer
|
||||
> metadata:
|
||||
> name: not-important-to-example
|
||||
> replica:
|
||||
> name: myapp
|
||||
> count: 23
|
||||
> fieldSpecs:
|
||||
> - path: spec/replicas
|
||||
> create: true
|
||||
> kind: Deployment
|
||||
> - path: spec/replicas
|
||||
> create: true
|
||||
> kind: ReplicationController
|
||||
> ```
|
||||
|
||||
## _SecretGenerator_
|
||||
|
||||
### 使用 `kustomization.yaml`
|
||||
|
||||
#### 字段名称：`secretGenerator`
|
||||
|
||||
列表中的每个条目都将生成一个 Secret（合计可以生成 n 个 Secrets）。
|
||||
|
||||
功能与之前描述的 `configMapGenerator` 字段类似。
|
||||
|
||||
```
|
||||
secretGenerator:
|
||||
- name: app-tls
|
||||
files:
|
||||
- secret/tls.cert
|
||||
- secret/tls.key
|
||||
type: "kubernetes.io/tls"
|
||||
- name: app-tls-namespaced
|
||||
# you can define a namespace to generate
|
||||
# a secret in, defaults to: "default"
|
||||
namespace: apps
|
||||
files:
|
||||
- tls.crt=catsecret/tls.cert
|
||||
- tls.key=secret/tls.key
|
||||
type: "kubernetes.io/tls"
|
||||
- name: env_file_secret
|
||||
envs:
|
||||
- env.txt
|
||||
type: Opaque
|
||||
- name: secret-with-annotation
|
||||
files:
|
||||
- app-config.yaml
|
||||
type: Opaque
|
||||
options:
|
||||
annotations:
|
||||
app_config: "true"
|
||||
labels:
|
||||
app.kubernetes.io/name: "app2"
|
||||
```
|
||||
|
||||
### 使用插件
|
||||
|
||||
#### Arguments
|
||||
|
||||
> [types.ObjectMeta]
|
||||
>
|
||||
> [types.SecretArgs]
|
||||
|
||||
#### Example
|
||||
|
||||
> ```
|
||||
> apiVersion: builtin
|
||||
> kind: SecretGenerator
|
||||
> metadata:
|
||||
> name: my-secret
|
||||
> namespace: whatever
|
||||
> behavior: merge
|
||||
> envs:
|
||||
> - a.env
|
||||
> - b.env
|
||||
> files:
|
||||
> - obscure=longsecret.txt
|
||||
> literals:
|
||||
> - FRUIT=apple
|
||||
> - VEGETABLE=carrot
|
||||
> ```
|
||||
Reference in New Issue
Block a user