From bd0d8b79dd48b2410ba5c297c0b03875de5aad4e Mon Sep 17 00:00:00 2001 From: Mengjiao Liu Date: Mon, 18 Apr 2022 16:25:21 +0800 Subject: [PATCH] [zh]Sync static-pod file --- .../configure-pod-container/static-pod.md | 71 +++++++++++-------- 1 file changed, 40 insertions(+), 31 deletions(-) diff --git a/content/zh/docs/tasks/configure-pod-container/static-pod.md b/content/zh/docs/tasks/configure-pod-container/static-pod.md index 72066ee9dd..a4fbc9affe 100644 --- a/content/zh/docs/tasks/configure-pod-container/static-pod.md +++ b/content/zh/docs/tasks/configure-pod-container/static-pod.md @@ -67,7 +67,7 @@ The `spec` of a static Pod cannot refer to other API objects {{< include "task-tutorial-prereqs.md" >}} {{< version-check >}} @@ -273,7 +273,7 @@ already be running. You can view running containers (including static Pods) by running (on the node): ```shell # Run this command on the node where kubelet is running -docker ps +crictl ps ``` The output might be something like: @@ -287,7 +287,7 @@ The output might be something like: ```shell # 在 kubelet 运行的节点上执行以下命令 -docker ps +crictl ps ``` 输出可能会像这样: +```console +CONTAINER IMAGE CREATED STATE NAME ATTEMPT POD ID +129fd7d382018 docker.io/library/nginx@sha256:... 11 minutes ago Running web 0 34533c6729106 ``` -CONTAINER ID IMAGE COMMAND CREATED STATUS PORTS NAMES -f6d05272b57e nginx:latest "nginx" 8 minutes ago Up 8 minutes k8s_web.6f802af4_static-web-fk-node1_default_67e24ed9466ba55986d120c867395f3c_378e5f3c -``` + + +{{< note >}} +`crictl` 会输出镜像 URI 和 SHA-256 校验和。 `NAME` 看起来像: +`docker.io/library/nginx@sha256:0d17b565c37bcbd895e9d92315a05c1c3c9a29f762b011a10c54a66cd53c9b31`。 +{{< /note >}} {{< note >}} 要确保 kubelet 在 API 服务上有创建镜像 Pod 的权限。如果没有,创建请求会被 API 服务拒绝。 -可以看[Pod安全策略](/zh/docs/concepts/policy/pod-security-policy/)。 +可以看 [Pod 安全性准入](/zh/docs/concepts/security/pod-security-admission/)和 [Pod 安全策略](/zh/docs/concepts/security/pod-security-policy/)。 {{< /note >}} -回到 kubelet 运行的节点上,可以手工停止 Docker 容器。 +回到 kubelet 运行的节点上,你可以手动停止容器。 可以看到过了一段时间后 kubelet 会发现容器停止了并且会自动重启 Pod: ```shell # 在 kubelet 运行的节点上执行以下命令 # 把 ID 换为你的容器的 ID -docker stop f6d05272b57e +crictl stop 129fd7d382018 sleep 20 -docker ps +crictl ps ``` -``` -CONTAINER ID IMAGE COMMAND CREATED ... -5b920cbaf8b1 nginx:latest "nginx -g 'daemon of 2 seconds ago ... +```console +CONTAINER IMAGE CREATED STATE NAME ATTEMPT POD ID +89db4553e1eeb docker.io/library/nginx@sha256:... 19 seconds ago Running web 1 34533c6729106 ``` ## 动态增加和删除静态 pod @@ -415,16 +423,17 @@ docker ps # 在 kubelet 运行的节点上执行以下命令 mv /etc/kubelet.d/static-web.yaml /tmp sleep 20 -docker ps +crictl ps # 可以看到没有 nginx 容器在运行 mv /tmp/static-web.yaml /etc/kubelet.d/ sleep 20 -docker ps +crictl ps ``` -``` -CONTAINER ID IMAGE COMMAND CREATED ... -e7a62e3427f1 nginx:latest "nginx -g 'daemon of 27 seconds ago +```console +CONTAINER IMAGE CREATED STATE NAME ATTEMPT POD ID +f427638871c35 docker.io/library/nginx@sha256:... 19 seconds ago Running web 1 34533c6729106 ``` +