Merge pull request #36560 from windsonsea/comlab
[zh] Updated /working-with-objects/common-labels.mdpull/36569/head
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@ -15,7 +15,7 @@ You can visualize and manage Kubernetes objects with more tools than kubectl and
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the dashboard. A common set of labels allows tools to work interoperably, describing
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objects in a common manner that all tools can understand.
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-->
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除了 kubectl 和 dashboard 之外,你可以使用其他工具来可视化和管理 Kubernetes 对象。
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除了 kubectl 和 dashboard 之外,你还可以使用其他工具来可视化和管理 Kubernetes 对象。
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一组通用的标签可以让多个工具之间相互操作,用所有工具都能理解的通用方式描述对象。
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<!--
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@ -33,8 +33,8 @@ a platform as a service (PaaS) and doesn't have or enforce a formal notion of an
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Instead, applications are informal and described with metadata. The definition of
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what an application contains is loose.
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-->
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元数据围绕 _应用(application)_ 的概念进行组织。Kubernetes 不是
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平台即服务(PaaS),没有或强制执行正式的应用程序概念。
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元数据围绕 **应用(application)** 的概念进行组织。Kubernetes
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不是平台即服务(PaaS),没有或强制执行正式的应用程序概念。
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相反,应用程序是非正式的,并使用元数据进行描述。应用程序包含的定义是松散的。
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{{< note >}}
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@ -50,7 +50,8 @@ Shared labels and annotations share a common prefix: `app.kubernetes.io`. Labels
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without a prefix are private to users. The shared prefix ensures that shared labels
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do not interfere with custom user labels.
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-->
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共享标签和注解都使用同一个前缀:`app.kubernetes.io`。没有前缀的标签是用户私有的。共享前缀可以确保共享标签不会干扰用户自定义的标签。
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共享标签和注解都使用同一个前缀:`app.kubernetes.io`。没有前缀的标签是用户私有的。
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共享前缀可以确保共享标签不会干扰用户自定义的标签。
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<!--
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## Labels
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@ -58,7 +59,8 @@ do not interfere with custom user labels.
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In order to take full advantage of using these labels, they should be applied
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on every resource object.
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-->
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## 标签
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## 标签 {#labels}
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为了充分利用这些标签,应该在每个资源对象上都使用它们。
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<!--
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@ -70,17 +72,16 @@ on every resource object.
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| `app.kubernetes.io/component` | The component within the architecture | `database` | string |
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| `app.kubernetes.io/part-of` | The name of a higher level application this one is part of | `wordpress` | string |
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| `app.kubernetes.io/managed-by` | The tool being used to manage the operation of an application | `helm` | string |
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| `app.kubernetes.io/created-by` | The controller/user who created this resource | `controller-manager` | string |
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-->
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| 键 | 描述 | 示例 | 类型 |
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| ----------------------------------- | --------------------- | -------- | ---- |
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| `app.kubernetes.io/name` | 应用程序的名称 | `mysql` | 字符串 |
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| `app.kubernetes.io/instance` | 用于唯一确定应用实例的名称 | `mysql-abcxzy` | 字符串 |
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| `app.kubernetes.io/version` | 应用程序的当前版本(例如,语义版本,修订版哈希等) | `5.7.21` | 字符串 |
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| `app.kubernetes.io/version` | 应用程序的当前版本(例如语义版本、修订版哈希等) | `5.7.21` | 字符串 |
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| `app.kubernetes.io/component` | 架构中的组件 | `database` | 字符串 |
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| `app.kubernetes.io/part-of` | 此级别的更高级别应用程序的名称 | `wordpress` | 字符串 |
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| `app.kubernetes.io/managed-by` | 用于管理应用程序的工具 | `helm` | 字符串 |
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| `app.kubernetes.io/created-by` | 创建该资源的控制器或者用户 | `controller-manager` | 字符串 |
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<!--
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To illustrate these labels in action, consider the following {{< glossary_tooltip text="StatefulSet" term_id="statefulset" >}} object:
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-->
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@ -98,7 +99,6 @@ metadata:
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app.kubernetes.io/component: database
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app.kubernetes.io/part-of: wordpress
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app.kubernetes.io/managed-by: helm
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app.kubernetes.io/created-by: controller-manager
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```
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<!--
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@ -114,9 +114,10 @@ an instance name, represented as `app.kubernetes.io/instance` with a value of
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`wordpress-abcxzy`. This enables the application and instance of the application
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to be identifiable. Every instance of an application must have a unique name.
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-->
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## 应用和应用实例
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## 应用和应用实例 {#application-and-instances-of-applications}
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应用可以在 Kubernetes 集群中安装一次或多次。在某些情况下,可以安装在同一命名空间中。例如,可以不止一次地为不同的站点安装不同的 WordPress。
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应用可以在 Kubernetes 集群中安装一次或多次。在某些情况下,可以安装在同一命名空间中。
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例如,可以不止一次地为不同的站点安装不同的 WordPress。
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应用的名称和实例的名称是分别记录的。例如,WordPress 应用的
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`app.kubernetes.io/name` 为 `wordpress`,而其实例名称
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@ -126,7 +127,7 @@ to be identifiable. Every instance of an application must have a unique name.
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<!--
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## Examples
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-->
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## 示例
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## 示例 {#examples}
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<!--
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To illustrate different ways to use these labels the following examples have varying complexity.
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@ -141,12 +142,14 @@ To illustrate different ways to use these labels the following examples have var
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<!--
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Consider the case for a simple stateless service deployed using `Deployment` and `Service` objects. The following two snippets represent how the labels could be used in their simplest form.
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-->
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考虑使用 `Deployment` 和 `Service` 对象部署的简单无状态服务的情况。以下两个代码段表示如何以最简单的形式使用标签。
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考虑使用 `Deployment` 和 `Service` 对象部署的简单无状态服务的情况。
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以下两个代码段表示如何以最简单的形式使用标签。
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<!--
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The `Deployment` is used to oversee the pods running the application itself.
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-->
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下面的 `Deployment` 用于监督运行应用本身的 pods。
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下面的 `Deployment` 用于监督运行应用本身的那些 Pod。
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```yaml
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apiVersion: apps/v1
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kind: Deployment
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@ -161,6 +164,7 @@ metadata:
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The `Service` is used to expose the application.
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-->
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下面的 `Service` 用于暴露应用。
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```yaml
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apiVersion: v1
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kind: Service
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@ -183,8 +187,8 @@ the start of objects used to deploy this application.
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The start to the following `Deployment` is used for WordPress:
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-->
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考虑一个稍微复杂的应用:一个使用 Helm 安装的 Web 应用(WordPress),其中
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使用了数据库(MySQL)。以下代码片段说明用于部署此应用程序的对象的开始。
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考虑一个稍微复杂的应用:一个使用 Helm 安装的 Web 应用(WordPress),
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其中使用了数据库(MySQL)。以下代码片段说明用于部署此应用程序的对象的开始。
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以下 `Deployment` 的开头用于 WordPress:
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@ -225,6 +229,7 @@ metadata:
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MySQL is exposed as a `StatefulSet` with metadata for both it and the larger application it belongs to:
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-->
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MySQL 作为一个 `StatefulSet` 暴露,包含它和它所属的较大应用程序的元数据:
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```yaml
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apiVersion: apps/v1
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kind: StatefulSet
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@ -243,6 +248,7 @@ metadata:
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The `Service` is used to expose MySQL as part of WordPress:
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-->
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`Service` 用于将 MySQL 作为 WordPress 的一部分暴露:
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```yaml
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apiVersion: v1
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kind: Service
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@ -258,6 +264,6 @@ metadata:
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```
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<!--
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With the MySQL `StatefulSet` and `Service` you'll notice information about both MySQL and Wordpress, the broader application, are included.
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With the MySQL `StatefulSet` and `Service` you'll notice information about both MySQL and WordPress, the broader application, are included.
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-->
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使用 MySQL `StatefulSet` 和 `Service`,你会注意到有关 MySQL 和 Wordpress 的信息,包括更广泛的应用程序。
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使用 MySQL `StatefulSet` 和 `Service`,你会注意到有关 MySQL 和 WordPress 的信息,包括更广泛的应用程序。
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