| package checkpoint |
| |
| import ( |
| "fmt" |
| "text/tabwriter" |
| |
| "golang.org/x/net/context" |
| |
| "github.com/docker/docker/api/types" |
| "github.com/docker/docker/cli" |
| "github.com/docker/docker/cli/command" |
| "github.com/spf13/cobra" |
| ) |
| |
| type listOptions struct { |
| checkpointDir string |
| } |
| |
| func newListCommand(dockerCli *command.DockerCli) *cobra.Command { |
| var opts listOptions |
| |
| cmd := &cobra.Command{ |
| Use: "ls [OPTIONS] CONTAINER", |
| Aliases: []string{"list"}, |
| Short: "List checkpoints for a container", |
| Args: cli.ExactArgs(1), |
| RunE: func(cmd *cobra.Command, args []string) error { |
| return runList(dockerCli, args[0], opts) |
| }, |
| } |
| |
| flags := cmd.Flags() |
| flags.StringVarP(&opts.checkpointDir, "checkpoint-dir", "", "", "Use a custom checkpoint storage directory") |
| |
| return cmd |
| |
| } |
| |
| func runList(dockerCli *command.DockerCli, container string, opts listOptions) error { |
| client := dockerCli.Client() |
| |
| listOpts := types.CheckpointListOptions{ |
| CheckpointDir: opts.checkpointDir, |
| } |
| |
| checkpoints, err := client.CheckpointList(context.Background(), container, listOpts) |
| if err != nil { |
| return err |
| } |
| |
| w := tabwriter.NewWriter(dockerCli.Out(), 20, 1, 3, ' ', 0) |
| fmt.Fprintf(w, "CHECKPOINT NAME") |
| fmt.Fprintf(w, "\n") |
| |
| for _, checkpoint := range checkpoints { |
| fmt.Fprintf(w, "%s\t", checkpoint.Name) |
| fmt.Fprint(w, "\n") |
| } |
| |
| w.Flush() |
| return nil |
| } |