package stack import ( "fmt" "github.com/docker/cli/cli" "github.com/docker/cli/cli/command" "github.com/docker/cli/cli/command/idresolver" "github.com/docker/cli/cli/command/task" "github.com/docker/cli/opts" "github.com/docker/docker/api/types" "github.com/spf13/cobra" "golang.org/x/net/context" ) type psOptions struct { filter opts.FilterOpt noTrunc bool namespace string noResolve bool quiet bool format string } func newPsCommand(dockerCli command.Cli) *cobra.Command { options := psOptions{filter: opts.NewFilterOpt()} cmd := &cobra.Command{ Use: "ps [OPTIONS] STACK", Short: "List the tasks in the stack", Args: cli.ExactArgs(1), RunE: func(cmd *cobra.Command, args []string) error { options.namespace = args[0] return runPS(dockerCli, options) }, } flags := cmd.Flags() flags.BoolVar(&options.noTrunc, "no-trunc", false, "Do not truncate output") flags.BoolVar(&options.noResolve, "no-resolve", false, "Do not map IDs to Names") flags.VarP(&options.filter, "filter", "f", "Filter output based on conditions provided") flags.BoolVarP(&options.quiet, "quiet", "q", false, "Only display task IDs") flags.StringVar(&options.format, "format", "", "Pretty-print tasks using a Go template") return cmd } func runPS(dockerCli command.Cli, options psOptions) error { namespace := options.namespace client := dockerCli.Client() ctx := context.Background() filter := getStackFilterFromOpt(options.namespace, options.filter) tasks, err := client.TaskList(ctx, types.TaskListOptions{Filters: filter}) if err != nil { return err } if len(tasks) == 0 { return fmt.Errorf("nothing found in stack: %s", namespace) } format := options.format if len(format) == 0 { format = task.DefaultFormat(dockerCli.ConfigFile(), options.quiet) } return task.Print(ctx, dockerCli, tasks, idresolver.New(client, options.noResolve), !options.noTrunc, options.quiet, format) }