快速入门

更新时间：
2024-11-06
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快速入门

本节主要介绍 ECS 命令的基本操作，帮助用户快速掌握容器命令行使用方法。

前提条件

操作步骤

步骤一：创建容器

运行 ecs create 命令创建容器 Bundle。

[root@sylixos:/root]# ecs create /apps/ecs_demo1

步骤二：注册容器

  1. 容器 Bundle 创建成功后，通过 ecs reg 命令将其注册到操作系统中。

    [root@sylixos:/root]# ecs reg /apps/ecs_demo1 ecs_demo1
Register container ecs_demo1 success!

  2. 通过 ecs 命令运查看容器状态。

    [root@sylixos:/root]# ecs
container list show >>
            ID                  STATUS               BUNDLE                FTPD   TELNETD  SSHD
------------------------------ -------- --------------------------------- ------- ------- -------
ecs_demo1                      created  /apps/ecs_demo1

running containers : 0
total   containers : 1
[root@sylixos:/root]#

  3. 若在 ecs create 时指定容器 ID，此时容器会自动注册，具体命令如下所示:

    [root@sylixos:/root]# ecs create /apps/ecs_demo1 ecs_demo1

步骤三：启动容器

  1. 运行 ecs start 命令启动容器。

    [root@sylixos:/root]# ecs start ecs_demo1
environment variables load from /etc/profile success.

  2. 通过 ecs 命令运查看容器状态。

    [root@sylixos:/root]# ecs
container list show >>
            ID                  STATUS               BUNDLE                FTPD   TELNETD  SSHD
------------------------------ -------- --------------------------------- ------- ------- -------
ecs_demo1                      running  /apps/ecs_demo1                    52455   52456

running containers : 1
total   containers : 1
[root@sylixos:/root]#

步骤四：登录容器环境

  • 运行 ecs attach 命令登录容器环境。

    [root@sylixos:/root]# ecs attach ecs_demo1

[root@sylixos:/root]# Please use command "shell exit" or shortcut key "Ctrl + D" to exit ecs shell.
[root@sylixos_ecs:/root]# shell exit


[root@sylixos:/root]#

  • 通过 Telnet 登录容器环境。

    1. 运行 ecs 命令查看容器的 Telnet 端口。
    [root@sylixos:/root]# ecs
container list show >>
            ID                  STATUS               BUNDLE                FTPD   TELNETD  SSHD
------------------------------ -------- --------------------------------- ------- ------- -------
ecs_demo1                      running  /apps/ecs_demo1                    52455   52456

running containers : 1
total   containers : 1
[root@sylixos:/root]#
    1. 通过 Telent 登录容器环境。

步骤五：停止容器

运行 ecs kill 命令停止容器。

[root@sylixos:/root]# ecs kill ecs_demo1
[root@sylixos:/root]# ecs
container list show >>
            ID                  STATUS               BUNDLE                FTPD   TELNETD  SSHD
------------------------------ -------- --------------------------------- ------- ------- -------
ecs_demo1                      stopped  /apps/ecs_demo1

running containers : 0
total   containers : 1
[root@sylixos:/root]#

步骤六：注销容器

运行 ecs unreg 命令注销容器。

[root@sylixos:/root]# ecs unreg ecs_demo1
[root@sylixos:/root]# ecs
container list show >>
            ID                  STATUS               BUNDLE                FTPD   TELNETD  SSHD
------------------------------ -------- --------------------------------- ------- ------- -------

running containers : 0
total   containers : 0
[root@sylixos:/root]#

注意：

  • 容器被注销后，若需重新启用该容器，则只需完成步骤二注册以及步骤三启动这两项操作，不必再次执行步骤一创建容器的操作。

步骤七：删除容器

运行 ecs delete 命令删除容器 Bundle。

[root@sylixos:/root]# ecs delete /apps/ecs_demo1
Delete /apps/ecs_demo1/config.json..
Delete /apps/ecs_demo1/rootfs/home..
Delete /apps/ecs_demo1/rootfs/qt..
Delete /apps/ecs_demo1/rootfs/etc/group..
Delete /apps/ecs_demo1/rootfs/etc/snmp/snmpv3_user..
Delete /apps/ecs_demo1/rootfs/etc/snmp/snmpv3_engineid..
Delete /apps/ecs_demo1/rootfs/etc/snmp..
Delete /apps/ecs_demo1/rootfs/etc/pci..
Delete /apps/ecs_demo1/rootfs/etc/profile..
Delete /apps/ecs_demo1/rootfs/etc/startup.sh..
Delete /apps/ecs_demo1/rootfs/etc/passwd..
Delete /apps/ecs_demo1/rootfs/etc/lic..
Delete /apps/ecs_demo1/rootfs/etc/hosts..
Delete /apps/ecs_demo1/rootfs/etc/shadow..
Delete /apps/ecs_demo1/rootfs/etc/ssh/sshd_config..
Delete /apps/ecs_demo1/rootfs/etc/ssh..
Delete /apps/ecs_demo1/rootfs/etc..
Delete /apps/ecs_demo1/rootfs/proc..
Delete /apps/ecs_demo1/rootfs/sbin..
Delete /apps/ecs_demo1/rootfs/bin..
Delete /apps/ecs_demo1/rootfs/lib/libfastlock.so..
Delete /apps/ecs_demo1/rootfs/lib/modules/drivers..
Delete /apps/ecs_demo1/rootfs/lib/modules..
Delete /apps/ecs_demo1/rootfs/lib/libsrtpe.so..
Delete /apps/ecs_demo1/rootfs/lib/lua/socket..
Delete /apps/ecs_demo1/rootfs/lib/lua/lxp..
Delete /apps/ecs_demo1/rootfs/lib/lua/cjson..
Delete /apps/ecs_demo1/rootfs/lib/lua/copas..
Delete /apps/ecs_demo1/rootfs/lib/lua/llthreads2..
Delete /apps/ecs_demo1/rootfs/lib/lua..
Delete /apps/ecs_demo1/rootfs/lib/libmbedcrypto.so..
Delete /apps/ecs_demo1/rootfs/lib/libcextern.so..
Delete /apps/ecs_demo1/rootfs/lib..
Delete /apps/ecs_demo1/rootfs/dev..
Delete /apps/ecs_demo1/rootfs/var/log/snmp..
Delete /apps/ecs_demo1/rootfs/var/log/cdump..
Delete /apps/ecs_demo1/rootfs/var/log..
Delete /apps/ecs_demo1/rootfs/var/tmp..
Delete /apps/ecs_demo1/rootfs/var..
Delete /apps/ecs_demo1/rootfs/usr/sbin..
Delete /apps/ecs_demo1/rootfs/usr/libexec..
Delete /apps/ecs_demo1/rootfs/usr/bin..
Delete /apps/ecs_demo1/rootfs/usr/lib/ssl/lib/engines..
Delete /apps/ecs_demo1/rootfs/usr/lib/ssl/lib..
Delete /apps/ecs_demo1/rootfs/usr/lib/ssl..
Delete /apps/ecs_demo1/rootfs/usr/lib..
Delete /apps/ecs_demo1/rootfs/usr..
Delete /apps/ecs_demo1/rootfs/tmp..
Delete /apps/ecs_demo1/rootfs/boot..
Delete /apps/ecs_demo1/rootfs/apps..
Delete /apps/ecs_demo1/rootfs/root..
Delete /apps/ecs_demo1/rootfs..
Delete /apps/ecs_demo1..
Delete /apps/ecs_demo1 success!

容器内运行应用程序

容器启动后手动运行应用程序

容器环境下手动运行应用程序的两种方法：

  1. 通过 ecs attach 命令进入容器内运行应用程序。

    [root@sylixos:/root]# ecs attach ecs_demo1

[root@sylixos:/root]# Please use command "shell exit" or shortcut key "Ctrl + D" to exit ecs shell.
[root@sylixos_ecs:/root]# /apps/helloecs
Hello ECS!
[root@sylixos_ecs:/root]#

  2. 通过 ecs exec 命令运行容器内应用程序。

    [root@sylixos:/root]# ecs exec ecs_demo1 /apps/helloecs
[root@sylixos:/root]# Hello ECS!
[root@sylixos:/root]#

容器启动时自动运行应用程序

启动容器时自动运行应用程序两种方法：

  1. 修改容器配置文件 config.json 中 args 参数。

  2. 在容器 ${Bundle}/rootfs/etc 路径下的启动脚本 startup.sh 中添加应用程序。

    [root@sylixos:/root]# vi /apps/ecs_demo1/rootfs/etc/startup.sh
/apps/helloecs &
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