Ejemplo n.º 1
0
func convertVolumeToMount(
	volumeSpec string,
	stackVolumes map[string]composetypes.VolumeConfig,
	namespace namespace,
) (mount.Mount, error) {
	var source, target string
	var mode []string

	// TODO: split Windows path mappings properly
	parts := strings.SplitN(volumeSpec, ":", 3)

	switch len(parts) {
	case 3:
		source = parts[0]
		target = parts[1]
		mode = strings.Split(parts[2], ",")
	case 2:
		source = parts[0]
		target = parts[1]
	case 1:
		target = parts[0]
	default:
		return mount.Mount{}, fmt.Errorf("invald volume: %s", volumeSpec)
	}

	// TODO: catch Windows paths here
	if strings.HasPrefix(source, "/") {
		return mount.Mount{
			Type:        mount.TypeBind,
			Source:      source,
			Target:      target,
			ReadOnly:    isReadOnly(mode),
			BindOptions: getBindOptions(mode),
		}, nil
	}

	stackVolume, exists := stackVolumes[source]
	if !exists {
		return mount.Mount{}, fmt.Errorf("undefined volume: %s", source)
	}

	var volumeOptions *mount.VolumeOptions
	if stackVolume.External.Name != "" {
		source = stackVolume.External.Name
	} else {
		volumeOptions = &mount.VolumeOptions{
			Labels: stackVolume.Labels,
			NoCopy: isNoCopy(mode),
		}

		if stackVolume.Driver != "" {
			volumeOptions.DriverConfig = &mount.Driver{
				Name:    stackVolume.Driver,
				Options: stackVolume.DriverOpts,
			}
		}
		source = namespace.scope(source)
	}
	return mount.Mount{
		Type:          mount.TypeVolume,
		Source:        source,
		Target:        target,
		ReadOnly:      isReadOnly(mode),
		VolumeOptions: volumeOptions,
	}, nil
}
Ejemplo n.º 2
0
func convertVolumeToMount(volumeSpec string, stackVolumes volumes, namespace Namespace) (mount.Mount, error) {
	var source, target string
	var mode []string

	// TODO: split Windows path mappings properly
	parts := strings.SplitN(volumeSpec, ":", 3)

	for _, part := range parts {
		if strings.TrimSpace(part) == "" {
			return mount.Mount{}, fmt.Errorf("invalid volume: %s", volumeSpec)
		}
	}

	switch len(parts) {
	case 3:
		source = parts[0]
		target = parts[1]
		mode = strings.Split(parts[2], ",")
	case 2:
		source = parts[0]
		target = parts[1]
	case 1:
		target = parts[0]
	}

	if source == "" {
		// Anonymous volume
		return mount.Mount{
			Type:   mount.TypeVolume,
			Target: target,
		}, nil
	}

	// TODO: catch Windows paths here
	if strings.HasPrefix(source, "/") {
		return mount.Mount{
			Type:        mount.TypeBind,
			Source:      source,
			Target:      target,
			ReadOnly:    isReadOnly(mode),
			BindOptions: getBindOptions(mode),
		}, nil
	}

	stackVolume, exists := stackVolumes[source]
	if !exists {
		return mount.Mount{}, fmt.Errorf("undefined volume: %s", source)
	}

	var volumeOptions *mount.VolumeOptions
	if stackVolume.External.Name != "" {
		source = stackVolume.External.Name
	} else {
		volumeOptions = &mount.VolumeOptions{
			Labels: AddStackLabel(namespace, stackVolume.Labels),
			NoCopy: isNoCopy(mode),
		}

		if stackVolume.Driver != "" {
			volumeOptions.DriverConfig = &mount.Driver{
				Name:    stackVolume.Driver,
				Options: stackVolume.DriverOpts,
			}
		}
		source = namespace.Scope(source)
	}
	return mount.Mount{
		Type:          mount.TypeVolume,
		Source:        source,
		Target:        target,
		ReadOnly:      isReadOnly(mode),
		VolumeOptions: volumeOptions,
	}, nil
}