Golang Image.Annotations方法代碼示例

func newISTag(tag string, imageStream *api.ImageStream, image *api.Image) (*api.ImageStreamTag, error) {
	istagName := api.JoinImageStreamTag(imageStream.Name, tag)

	event := api.LatestTaggedImage(imageStream, tag)
	if event == nil || len(event.Image) == 0 {
		return nil, kapierrors.NewNotFound("imageStreamTag", istagName)
	}

	ist := &api.ImageStreamTag{
		ObjectMeta: kapi.ObjectMeta{
			Namespace:         imageStream.Namespace,
			Name:              istagName,
			CreationTimestamp: event.Created,
			Annotations:       map[string]string{},
			ResourceVersion:   imageStream.ResourceVersion,
		},
	}

	// if the imageStream has Spec.Tags[tag].Annotations[k] = v, copy it to the image's annotations
	// and add them to the istag's annotations
	if imageStream.Spec.Tags != nil {
		if tagRef, ok := imageStream.Spec.Tags[tag]; ok {
			if image != nil && image.Annotations == nil {
				image.Annotations = make(map[string]string)
			}
			for k, v := range tagRef.Annotations {
				ist.Annotations[k] = v
				if image != nil {
					image.Annotations[k] = v
				}
			}
		}
	}

	if image != nil {
		imageWithMetadata, err := api.ImageWithMetadata(*image)
		if err != nil {
			return nil, err
		}
		ist.Image = *imageWithMetadata
	} else {
		ist.Image = api.Image{}
		ist.Image.Name = event.Image
	}

	// Replace the DockerImageReference with the value from event, which contains
	// real value from status. This should fix the problem for v1 registries,
	// where mutliple tags point to a single id and only the first image's metadata
	// is saved. This in turn will always return the pull spec from the first
	// imported image, which might be different than the requested tag.
	ist.Image.DockerImageReference = event.DockerImageReference

	return ist, nil
}

// newISTag initializes an image stream tag from an image stream and image. The allowEmptyEvent will create a tag even
// in the event that the status tag does does not exist yet (no image has successfully been tagged) or the image is nil.
func newISTag(tag string, imageStream *api.ImageStream, image *api.Image, allowEmptyEvent bool) (*api.ImageStreamTag, error) {
	istagName := api.JoinImageStreamTag(imageStream.Name, tag)

	event := api.LatestTaggedImage(imageStream, tag)
	if event == nil || len(event.Image) == 0 {
		if !allowEmptyEvent {
			return nil, kapierrors.NewNotFound(api.Resource("imagestreamtags"), istagName)
		}
		event = &api.TagEvent{
			Created: imageStream.CreationTimestamp,
		}
	}

	ist := &api.ImageStreamTag{
		ObjectMeta: kapi.ObjectMeta{
			Namespace:         imageStream.Namespace,
			Name:              istagName,
			CreationTimestamp: event.Created,
			Annotations:       map[string]string{},
			ResourceVersion:   imageStream.ResourceVersion,
		},
		Generation: event.Generation,
		Conditions: imageStream.Status.Tags[tag].Conditions,
	}

	if imageStream.Spec.Tags != nil {
		if tagRef, ok := imageStream.Spec.Tags[tag]; ok {
			// copy the spec tag
			ist.Tag = &tagRef
			if from := ist.Tag.From; from != nil {
				copied := *from
				ist.Tag.From = &copied
			}
			if gen := ist.Tag.Generation; gen != nil {
				copied := *gen
				ist.Tag.Generation = &copied
			}

			// if the imageStream has Spec.Tags[tag].Annotations[k] = v, copy it to the image's annotations
			// and add them to the istag's annotations
			if image != nil && image.Annotations == nil {
				image.Annotations = make(map[string]string)
			}
			for k, v := range tagRef.Annotations {
				ist.Annotations[k] = v
				if image != nil {
					image.Annotations[k] = v
				}
			}
		}
	}

	if image != nil {
		if err := api.ImageWithMetadata(image); err != nil {
			return nil, err
		}
		image.DockerImageManifest = ""
		ist.Image = *image
	} else {
		ist.Image = api.Image{}
		ist.Image.Name = event.Image
	}

	// Replace the DockerImageReference with the value from event, which contains
	// real value from status. This should fix the problem for v1 registries,
	// where mutliple tags point to a single id and only the first image's metadata
	// is saved. This in turn will always return the pull spec from the first
	// imported image, which might be different than the requested tag.
	ist.Image.DockerImageReference = event.DockerImageReference

	return ist, nil
}