package service import ( "strings" "golang.org/x/net/context" "github.com/docker/cli/cli" "github.com/docker/cli/cli/command" "github.com/docker/cli/cli/command/formatter" "github.com/docker/docker/api/types" apiclient "github.com/docker/docker/client" "github.com/pkg/errors" "github.com/spf13/cobra" ) type inspectOptions struct { refs []string format string pretty bool } func newInspectCommand(dockerCli command.Cli) *cobra.Command { var opts inspectOptions cmd := &cobra.Command{ Use: "inspect [OPTIONS] SERVICE [SERVICE...]", Short: "Display detailed information on one or more services", Args: cli.RequiresMinArgs(1), RunE: func(cmd *cobra.Command, args []string) error { opts.refs = args if opts.pretty && len(opts.format) > 0 { return errors.Errorf("--format is incompatible with human friendly format") } return runInspect(dockerCli, opts) }, } flags := cmd.Flags() flags.StringVarP(&opts.format, "format", "f", "", "Format the output using the given Go template") flags.BoolVar(&opts.pretty, "pretty", false, "Print the information in a human friendly format") return cmd } func runInspect(dockerCli command.Cli, opts inspectOptions) error { client := dockerCli.Client() ctx := context.Background() if opts.pretty { opts.format = "pretty" } getRef := func(ref string) (interface{}, []byte, error) { // Service inspect shows defaults values in empty fields. service, _, err := client.ServiceInspectWithRaw(ctx, ref, types.ServiceInspectOptions{InsertDefaults: true}) if err == nil || !apiclient.IsErrServiceNotFound(err) { return service, nil, err } return nil, nil, errors.Errorf("Error: no such service: %s", ref) } getNetwork := func(ref string) (interface{}, []byte, error) { network, _, err := client.NetworkInspectWithRaw(ctx, ref, types.NetworkInspectOptions{Scope: "swarm"}) if err == nil || !apiclient.IsErrNetworkNotFound(err) { return network, nil, err } return nil, nil, errors.Errorf("Error: no such network: %s", ref) } f := opts.format if len(f) == 0 { f = "raw" if len(dockerCli.ConfigFile().ServiceInspectFormat) > 0 { f = dockerCli.ConfigFile().ServiceInspectFormat } } // check if the user is trying to apply a template to the pretty format, which // is not supported if strings.HasPrefix(f, "pretty") && f != "pretty" { return errors.Errorf("Cannot supply extra formatting options to the pretty template") } serviceCtx := formatter.Context{ Output: dockerCli.Out(), Format: formatter.NewServiceFormat(f), } if err := formatter.ServiceInspectWrite(serviceCtx, opts.refs, getRef, getNetwork); err != nil { return cli.StatusError{StatusCode: 1, Status: err.Error()} } return nil }