package stack import ( "fmt" "github.com/docker/cli/cli" "github.com/docker/cli/cli/command" "github.com/docker/cli/cli/command/formatter" "github.com/docker/cli/cli/command/service" "github.com/docker/cli/opts" "github.com/docker/docker/api/types" "github.com/docker/docker/api/types/filters" "github.com/spf13/cobra" "golang.org/x/net/context" ) type servicesOptions struct { quiet bool format string filter opts.FilterOpt namespace string } func newServicesCommand(dockerCli command.Cli) *cobra.Command { options := servicesOptions{filter: opts.NewFilterOpt()} cmd := &cobra.Command{ Use: "services [OPTIONS] STACK", Short: "List the services in the stack", Args: cli.ExactArgs(1), RunE: func(cmd *cobra.Command, args []string) error { options.namespace = args[0] return runServices(dockerCli, options) }, } flags := cmd.Flags() flags.BoolVarP(&options.quiet, "quiet", "q", false, "Only display IDs") flags.StringVar(&options.format, "format", "", "Pretty-print services using a Go template") flags.VarP(&options.filter, "filter", "f", "Filter output based on conditions provided") return cmd } func runServices(dockerCli command.Cli, options servicesOptions) error { ctx := context.Background() client := dockerCli.Client() filter := getStackFilterFromOpt(options.namespace, options.filter) services, err := client.ServiceList(ctx, types.ServiceListOptions{Filters: filter}) if err != nil { return err } out := dockerCli.Out() // if no services in this stack, print message and exit 0 if len(services) == 0 { fmt.Fprintf(out, "Nothing found in stack: %s\n", options.namespace) return nil } info := map[string]formatter.ServiceListInfo{} if !options.quiet { taskFilter := filters.NewArgs() for _, service := range services { taskFilter.Add("service", service.ID) } tasks, err := client.TaskList(ctx, types.TaskListOptions{Filters: taskFilter}) if err != nil { return err } nodes, err := client.NodeList(ctx, types.NodeListOptions{}) if err != nil { return err } info = service.GetServicesStatus(services, nodes, tasks) } format := options.format if len(format) == 0 { if len(dockerCli.ConfigFile().ServicesFormat) > 0 && !options.quiet { format = dockerCli.ConfigFile().ServicesFormat } else { format = formatter.TableFormatKey } } servicesCtx := formatter.Context{ Output: dockerCli.Out(), Format: formatter.NewServiceListFormat(format, options.quiet), } return formatter.ServiceListWrite(servicesCtx, services, info) }