mirror of
https://github.com/opencontainers/runc.git
synced 2026-07-11 06:03:57 +08:00
Wang Long
74bfe500e4
With this patch, `runc start` command can start mulit-containers at one command this patch also checks the argument of the `start` command. root@ubuntu:# runc list ID PID STATUS BUNDLE CREATED a 0 stopped /mycontainer 2016-09-23T08:56:42.754026567Z b 62979 created /mycontainer 2016-09-23T09:01:36.421976458Z c 62993 running /mycontainer 2016-09-23T09:01:38.105940389Z d 63006 created /mycontainer 2016-09-23T09:01:39.65441942Z e 63020 created /mycontainer 2016-09-23T09:01:40.989995515Z root@ubuntu:# runc start runc: "start" requires a minimum of 1 argument root@ubuntu:# runc start a b c d e f cannot start a container that has run and stopped cannot start an already running container container f is not exist all or part of the containers start failed root@ubuntu:# runc list ID PID STATUS BUNDLE CREATED a 0 stopped /mycontainer 2016-09-23T08:56:42.754026567Z b 62979 running /mycontainer 2016-09-23T09:01:36.421976458Z c 62993 running /mycontainer 2016-09-23T09:01:38.105940389Z d 63006 running /mycontainer 2016-09-23T09:01:39.65441942Z e 63020 running /mycontainer 2016-09-23T09:01:40.989995515Z Signed-off-by: Wang Long <long.wanglong@huawei.com>
68 lines
1.8 KiB
Go
68 lines
1.8 KiB
Go
package main
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import (
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"fmt"
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"os"
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"github.com/opencontainers/runc/libcontainer"
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"github.com/urfave/cli"
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)
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var startCommand = cli.Command{
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Name: "start",
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Usage: "executes the user defined process in a created container",
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ArgsUsage: `<container-id> [container-id...]
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Where "<container-id>" is your name for the instance of the container that you
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are starting. The name you provide for the container instance must be unique on
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your host.`,
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Description: `The start command executes the user defined process in a created container .`,
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Action: func(context *cli.Context) error {
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hasError := false
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if !context.Args().Present() {
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return fmt.Errorf("runc: \"start\" requires a minimum of 1 argument")
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}
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factory, err := loadFactory(context)
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if err != nil {
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return err
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}
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for _, id := range context.Args() {
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container, err := factory.Load(id)
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if err != nil {
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fmt.Fprintf(os.Stderr, "container %s is not exist\n", id)
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hasError = true
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continue
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}
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status, err := container.Status()
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if err != nil {
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fmt.Fprintf(os.Stderr, "status for %s: %v\n", id, err)
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hasError = true
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continue
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}
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switch status {
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case libcontainer.Created:
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if err := container.Exec(); err != nil {
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fmt.Fprintf(os.Stderr, "start for %s failed: %v\n", id, err)
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hasError = true
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}
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case libcontainer.Stopped:
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fmt.Fprintln(os.Stderr, "cannot start a container that has run and stopped")
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hasError = true
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case libcontainer.Running:
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fmt.Fprintln(os.Stderr, "cannot start an already running container")
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hasError = true
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default:
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fmt.Fprintf(os.Stderr, "cannot start a container in the %s state\n", status)
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hasError = true
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}
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}
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if hasError {
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return fmt.Errorf("one or more of container start failed")
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}
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return nil
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},
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}
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