| package service |
| |
| import ( |
| "fmt" |
| "strings" |
| |
| "golang.org/x/net/context" |
| |
| "github.com/docker/docker/cli" |
| "github.com/docker/docker/cli/command" |
| "github.com/docker/docker/cli/command/formatter" |
| apiclient "github.com/docker/docker/client" |
| "github.com/spf13/cobra" |
| ) |
| |
| type inspectOptions struct { |
| refs []string |
| format string |
| pretty bool |
| } |
| |
| func newInspectCommand(dockerCli *command.DockerCli) *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 fmt.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.DockerCli, opts inspectOptions) error { |
| client := dockerCli.Client() |
| ctx := context.Background() |
| |
| if opts.pretty { |
| opts.format = "pretty" |
| } |
| |
| getRef := func(ref string) (interface{}, []byte, error) { |
| service, _, err := client.ServiceInspectWithRaw(ctx, ref) |
| if err == nil || !apiclient.IsErrServiceNotFound(err) { |
| return service, nil, err |
| } |
| return nil, nil, fmt.Errorf("Error: no such service: %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 fmt.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); err != nil { |
| return cli.StatusError{StatusCode: 1, Status: err.Error()} |
| } |
| return nil |
| } |