Switch language name 'zh' to 'zh-cn'
This is the first step to rename 'zh' to 'zh-cn'. There are several reasons why we rename the language name.
- The upstream docsy theme changed the language name, leading to many warnings during site build;
The side-effect is that the i18n strings are no longer working.
- We believe renaming the language is the right thing to do, because this move can make room for other variants of Chinese language, such as 'zh-tw', 'zh-sg' etc.
There would be several follow-ups to this PR, such as fixing the intra-site links, adding redirects etc.
We will lock up changes to zh/zh-cn pages for the moment, until this one gets in.
This PR is based on commit cdad0a7342.
This commit is contained in:
Qiming Teng
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---
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title: 配置 Pod 初始化
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content_type: task
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weight: 130
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---
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<!--
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title: Configure Pod Initialization
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content_type: task
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weight: 130
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-->
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<!-- overview -->
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<!--
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This page shows how to use an Init Container to initialize a Pod before an
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application Container runs.
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-->
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本文介绍在应用容器运行前，怎样利用 Init 容器初始化 Pod。
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## {{% heading "prerequisites" %}}
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{{< include "task-tutorial-prereqs.md" >}} {{< version-check >}}
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<!-- steps -->
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<!--
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## Create a Pod that has an Init Container
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In this exercise you create a Pod that has one application Container and one
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Init Container. The init container runs to completion before the application
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container starts.
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Here is the configuration file for the Pod:
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-->
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## 创建一个包含 Init 容器的 Pod {#creating-a-pod-that-has-an-init-container}
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本例中你将创建一个包含一个应用容器和一个 Init 容器的 Pod。Init 容器在应用容器启动前运行完成。
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下面是 Pod 的配置文件：
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{{< codenew file="pods/init-containers.yaml" >}}
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<!--
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In the configuration file, you can see that the Pod has a Volume that the init
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container and the application container share.
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The init container mounts the
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shared Volume at `/work-dir`, and the application container mounts the shared
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Volume at `/usr/share/nginx/html`. The init container runs the following command
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and then terminates:
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-->
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配置文件中，你可以看到应用容器和 Init 容器共享了一个卷。
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Init 容器将共享卷挂载到了 `/work-dir` 目录，应用容器将共享卷挂载到了 `/usr/share/nginx/html` 目录。
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Init 容器执行完下面的命令就终止：
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```shell
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wget -O /work-dir/index.html http://info.cern.ch
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```
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<!--
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Notice that the init container writes the `index.html` file in the root directory
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of the nginx server.
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Create the Pod:
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-->
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请注意 Init 容器在 nginx 服务器的根目录写入 `index.html`。
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创建 Pod：
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```shell
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kubectl create -f https://k8s.io/examples/pods/init-containers.yaml
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```
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<!--
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Verify that the nginx container is running:
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-->
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检查 nginx 容器运行正常：
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```shell
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kubectl get pod init-demo
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```
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<!--
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The output shows that the nginx container is running:
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-->
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结果表明 nginx 容器运行正常：
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```
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NAME READY STATUS RESTARTS AGE
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init-demo 1/1 Running 0 1m
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```
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<!--
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Get a shell into the nginx container running in the init-demo Pod:
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-->
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通过 shell 进入 init-demo Pod 中的 nginx 容器：
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```shell
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kubectl exec -it init-demo -- /bin/bash
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```
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<!--
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In your shell, send a GET request to the nginx server:
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-->
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在 shell 中，发送个 GET 请求到 nginx 服务器：
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```
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root@nginx:~# apt-get update
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root@nginx:~# apt-get install curl
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root@nginx:~# curl localhost
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```
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<!--
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The output shows that nginx is serving the web page that was written by the init container:
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-->
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结果表明 nginx 正在为 Init 容器编写的 web 页面服务：
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```
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<html><head></head><body><header>
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<title>http://info.cern.ch</title>
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</header>
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<h1>http://info.cern.ch - home of the first website</h1>
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...
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<li><a href="http://info.cern.ch/hypertext/WWW/TheProject.html">Browse the first website</a></li>
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...
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```
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## {{% heading "whatsnext" %}}
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<!--
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* Learn more about
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[communicating between Containers running in the same Pod](/docs/tasks/access-application-cluster/communicate-containers-same-pod-shared-volume/).
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* Learn more about [Init Containers](/docs/concepts/workloads/pods/init-containers/).
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* Learn more about [Volumes](/docs/concepts/storage/volumes/).
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* Learn more about [Debugging Init Containers](/docs/tasks/debug/debug-application/debug-init-containers/)
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-->
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* 进一步了解[同一 Pod 中的容器间的通信](/zh/docs/tasks/access-application-cluster/communicate-containers-same-pod-shared-volume/)。
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* 进一步了解 [Init 容器](/zh/docs/concepts/workloads/pods/init-containers/)。
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* 进一步了解[卷](/zh/docs/concepts/storage/volumes/)。
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* 进一步了解 [Init 容器排错](/zh/docs/tasks/debug/debug-application/debug-init-containers/)。
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