10.2. 显示 pod 信息

先决条件

• container-tools 元数据包已安装。
• pod 已创建。详情请参阅 创建 pod 一节。

流程

• 显示在 pod 中运行的活跃进程：

  • 要显示 pod 中容器的运行进程，请输入：

    $ podman pod top mypod
    USER   PID   PPID   %CPU    ELAPSED         TTY     TIME   COMMAND
    0      1     0      0.000   24.077433518s   ?       0s     /pause
    root   1     0      0.000   24.078146025s   pts/0   0s     /bin/bash

  • 要显示一个或多个 pod 中容器的资源使用情况统计的实时流，请输入：

    $ podman pod stats -a --no-stream
    ID             NAME              CPU %   MEM USAGE / LIMIT   MEM %   NET IO    BLOCK IO   PIDS
    a9f807ffaacd   frosty_hodgkin    --      3.092MB / 16.7GB    0.02%   -- / --   -- / --    2
    3b33001239ee   sleepy_stallman   --      -- / --             --      -- / --   -- / --    --

  • 要显示描述 pod 的信息，请输入：

    $ podman pod inspect mypod
    {
       "Id": "db99446fa9c6d10b973d1ce55a42a6850357e0cd447d9bac5627bb2516b5b19a",
       "Name": "mypod",
       "Created": "2020-09-08T10:35:07.536541534+02:00",
       "CreateCommand": [
           "podman",
           "pod",
           "create",
           "--name",
           "mypod"
       ],
       "State": "Running",
       "Hostname": "mypod",
       "CreateCgroup": false,
       "CgroupParent": "/libpod_parent",
       "CgroupPath": "/libpod_parent/db99446fa9c6d10b973d1ce55a42a6850357e0cd447d9bac5627bb2516b5b19a",
       "CreateInfra": false,
       "InfraContainerID": "891c54f70783dcad596d888040700d93f3ead01921894bc19c10b0a03c738ff7",
       "SharedNamespaces": [
           "uts",
           "ipc",
           "net"
       ],
       "NumContainers": 2,
       "Containers": [
           {
               "Id": "891c54f70783dcad596d888040700d93f3ead01921894bc19c10b0a03c738ff7",
               "Name": "db99446fa9c6-infra",
               "State": "running"
           },
           {
               "Id": "effc5bbcfe505b522e3bf8fbb5705a39f94a455a66fd81e542bcc27d39727d2d",
               "Name": "myubi",
               "State": "running"
           }
       ]
    }

    您可以查看 pod 中容器的信息。