| package container |
| |
| import ( |
| "fmt" |
| "strings" |
| |
| "golang.org/x/net/context" |
| |
| "github.com/docker/docker/cli" |
| "github.com/docker/docker/cli/command" |
| "github.com/spf13/cobra" |
| ) |
| |
| type pauseOptions struct { |
| containers []string |
| } |
| |
| // NewPauseCommand creates a new cobra.Command for `docker pause` |
| func NewPauseCommand(dockerCli *command.DockerCli) *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) |
| }, |
| } |
| } |
| |
| func runPause(dockerCli *command.DockerCli, 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()) |
| } else { |
| fmt.Fprintf(dockerCli.Out(), "%s\n", container) |
| } |
| } |
| if len(errs) > 0 { |
| return fmt.Errorf("%s", strings.Join(errs, "\n")) |
| } |
| return nil |
| } |