runc/pause.go

// +build linux

package main

import "github.com/urfave/cli"

var pauseCommand = cli.Command{
	Name:  "pause",
	Usage: "pause suspends all processes inside the container",
	ArgsUsage: `<container-id>

Where "<container-id>" is the name for the instance of the container to be
paused. `,
	Description: `The pause command suspends all processes in the instance of the container.

Use runc list to identiy instances of containers and their current status.`,
	Action: func(context *cli.Context) error {
		if err := checkArgs(context, 1, exactArgs); err != nil {
			return err
		}
		container, err := getContainer(context)
		if err != nil {
			return err
		}
		if err := container.Pause(); err != nil {
			return err
		}

		return nil
	},
}

var resumeCommand = cli.Command{
	Name:  "resume",
	Usage: "resumes all processes that have been previously paused",
	ArgsUsage: `<container-id>

Where "<container-id>" is the name for the instance of the container to be
resumed.`,
	Description: `The resume command resumes all processes in the instance of the container.

Use runc list to identiy instances of containers and their current status.`,
	Action: func(context *cli.Context) error {
		if err := checkArgs(context, 1, exactArgs); err != nil {
			return err
		}
		container, err := getContainer(context)
		if err != nil {
			return err
		}
		if err := container.Resume(); err != nil {
			return err
		}

		return nil
	},
}