imagecache

package

v0.1.20 Latest Latest Go to latest Published: Jul 3, 2018 License: MPL-2.0 Imports: 22 Imported by: 0

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Package imagecache handles loading and caching of docker images.

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type ImageCache struct {
	// contains filtered or unexported fields
}

ImageCache wraps caching.Cache such that we don't need to do any casting inside the engine and sandbox implementations

func New(d *docker.Client, tracker gc.ResourceTracker, monitor runtime.Monitor) *ImageCache

New creates a new ImageCache object

func (ic *ImageCache) ImageSchema() schematypes.Schema

ImageSchema returns the JSON schema by which images can be specified when ImageCache.Require is called

func (ic *ImageCache) Require(ctx *runtime.TaskContext, imagePayload interface{}) (*ImageHandle, error)

Require that an image is loaded or returned from cache. The imagePayload given must satisfy ImageCache.ImageSchema()

type ImageHandle struct {
	*caching.Handle
	ImageName string
}

ImageHandle wraps caching.Handle such that we don't need to do any casting to access the ImageName