image_puller

Documentation

Index

• type Fetcher
• type ImageInfo
• type ImagePuller
  • func NewImagePuller(localFetcher, remoteFetcher Fetcher, unpacker Unpacker, ...) *ImagePuller
  • func (p *ImagePuller) Pull(logger lager.Logger, spec groot.ImageSpec) (groot.Image, error)
• type LayerDigest
• type UnpackSpec
• type Unpacker
• type VolumeDriver

Types

type Fetcher

type Fetcher interface {
	ImageInfo(logger lager.Logger, imageURL *url.URL) (ImageInfo, error)
	StreamBlob(logger lager.Logger, imageURL *url.URL, source string) (io.ReadCloser, int64, error)
}

type ImageInfo

type ImageInfo struct {
	LayersDigest []LayerDigest
	Config       specsv1.Image
}

type ImagePuller

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

func NewImagePuller

func NewImagePuller(localFetcher, remoteFetcher Fetcher, unpacker Unpacker, volumeDriver VolumeDriver) *ImagePuller

func (*ImagePuller) Pull

func (p *ImagePuller) Pull(logger lager.Logger, spec groot.ImageSpec) (groot.Image, error)

type LayerDigest

type LayerDigest struct {
	BlobID        string
	ChainID       string
	ParentChainID string
	Size          int64
}

type UnpackSpec

type UnpackSpec struct {
	Stream      io.ReadCloser
	TargetPath  string
	UIDMappings []groot.IDMappingSpec
	GIDMappings []groot.IDMappingSpec
}

type Unpacker

type Unpacker interface {
	Unpack(logger lager.Logger, spec UnpackSpec) error
}

type VolumeDriver

type VolumeDriver interface {
	Path(logger lager.Logger, id string) (string, error)
	Create(logger lager.Logger, parentID, id string) (string, error)
	DestroyVolume(logger lager.Logger, id string) error
}