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---
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title: "configMapGenerator"
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linkTitle: "configMapGenerator"
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type: docs
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description: >
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生成 ConfigMap 资源.
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---
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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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```yaml
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apiVersion: kustomize.config.k8s.io/v1beta1
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kind: Kustomization
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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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```yaml
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apiVersion: kustomize.config.k8s.io/v1beta1
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kind: Kustomization
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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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