44 lines
1.1 KiB
Go
44 lines
1.1 KiB
Go
package main
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import (
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"errors"
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"fmt"
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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>
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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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if err := checkArgs(context, 1, exactArgs); err != nil {
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return err
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}
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container, err := getContainer(context)
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if err != nil {
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return err
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}
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status, err := container.Status()
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if err != nil {
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return err
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}
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switch status {
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case libcontainer.Created:
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return container.Exec()
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case libcontainer.Stopped:
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return errors.New("cannot start a container that has stopped")
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case libcontainer.Running:
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return errors.New("cannot start an already running container")
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default:
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return fmt.Errorf("cannot start a container in the %s state\n", status)
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}
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},
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}
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