package container import ( "context" "fmt" "strings" "github.com/docker/cli/cli" "github.com/docker/cli/cli/command" "github.com/docker/cli/cli/command/completion" "github.com/docker/docker/api/types" "github.com/pkg/errors" "github.com/spf13/cobra" ) type pauseOptions struct { containers []string } // NewPauseCommand creates a new cobra.Command for `docker pause` func NewPauseCommand(dockerCli command.Cli) *cobra.Command { var opts pauseOptions return &cobra.Command{ Use: "pause CONTAINER [CONTAINER...]", Short: "Pause all processes within one or more containers", Args: cli.RequiresMinArgs(1), RunE: func(cmd *cobra.Command, args []string) error { opts.containers = args return runPause(dockerCli, &opts) }, Annotations: map[string]string{ "aliases": "docker container pause, docker pause", }, ValidArgsFunction: completion.ContainerNames(dockerCli, false, func(container types.Container) bool { return container.State != "paused" }), } } func runPause(dockerCli command.Cli, opts *pauseOptions) error { ctx := context.Background() var errs []string errChan := parallelOperation(ctx, opts.containers, dockerCli.Client().ContainerPause) for _, container := range opts.containers { if err := <-errChan; err != nil { errs = append(errs, err.Error()) continue } fmt.Fprintln(dockerCli.Out(), container) } if len(errs) > 0 { return errors.New(strings.Join(errs, "\n")) } return nil }