Function composeContainerPrintableJSON

cmd/nerdctl/compose/compose_ps.go:279–334

composeContainerPrintableJSON constructs composeContainerPrintable with fields only for json output and compatible docker output.

(ctx context.Context, container containerd.Container, gOptions types.GlobalCommandOptions)

// composeContainerPrintableJSON constructs composeContainerPrintable with fields
// only for json output and compatible docker output.
func composeContainerPrintableJSON(ctx context.Context, container containerd.Container, gOptions types.GlobalCommandOptions) (composeContainerPrintable, error) {
	info, err := container.Info(ctx, containerd.WithoutRefreshedMetadata)
	if err != nil {
		return composeContainerPrintable{}, err
	}
	spec, err := container.Spec(ctx)
	if err != nil {
		return composeContainerPrintable{}, err
	}

	var (
		state    string
		exitCode uint32
	)
	status, err := containerutil.ContainerStatus(ctx, container)
	if err == nil {
		// show exitCode only when container is exited/stopped
		if status.Status == containerd.Stopped {
			state = "exited"
			exitCode = status.ExitStatus
		} else {
			state = string(status.Status)
		}
	} else {
		state = string(containerd.Unknown)
	}
	image, err := container.Image(ctx)
	if err != nil {
		return composeContainerPrintable{}, err
	}
	dataStore, err := clientutil.DataStore(gOptions.DataRoot, gOptions.Address)
	if err != nil {
		return composeContainerPrintable{}, err
	}
	containerLabels, err := container.Labels(ctx)
	if err != nil {
		return composeContainerPrintable{}, err
	}
	portMappings, err := portutil.LoadPortMappings(dataStore, gOptions.Namespace, info.ID, containerLabels)
	if err != nil {
		return composeContainerPrintable{}, err
	}

	return composeContainerPrintable{
		ID:         container.ID(),
		Name:       info.Labels[labels.Name],
		Image:      image.Metadata().Name,
		Command:    formatter.InspectContainerCommand(spec, false, false),
		Project:    info.Labels[labels.ComposeProject],
		Service:    info.Labels[labels.ComposeService],
		State:      state,
		Health:     "",
		ExitCode:   exitCode,
		Publishers: formatPublishers(portMappings),
	}, nil
}

// PortPublisher hold status about published port