moby/image/tarexport/tarexport.go
Derek McGowan 2c60430a3d Use describable interfaces
Replace use of foreign sources with descriptors and describable

Signed-off-by: Derek McGowan <derek@mcgstyle.net> (github: dmcgowan)
2016-06-06 17:49:34 -07:00

47 lines
1.3 KiB
Go

package tarexport
import (
"github.com/docker/distribution"
"github.com/docker/docker/image"
"github.com/docker/docker/layer"
"github.com/docker/docker/reference"
)
const (
manifestFileName = "manifest.json"
legacyLayerFileName = "layer.tar"
legacyConfigFileName = "json"
legacyVersionFileName = "VERSION"
legacyRepositoriesFileName = "repositories"
)
type manifestItem struct {
Config string
RepoTags []string
Layers []string
Parent image.ID `json:",omitempty"`
LayerSources map[layer.DiffID]distribution.Descriptor `json:",omitempty"`
}
type tarexporter struct {
is image.Store
ls layer.Store
rs reference.Store
loggerImgEvent LogImageEvent
}
// LogImageEvent defines interface for event generation related to image tar(load and save) operations
type LogImageEvent interface {
//LogImageEvent generates an event related to an image operation
LogImageEvent(imageID, refName, action string)
}
// NewTarExporter returns new ImageExporter for tar packages
func NewTarExporter(is image.Store, ls layer.Store, rs reference.Store, loggerImgEvent LogImageEvent) image.Exporter {
return &tarexporter{
is: is,
ls: ls,
rs: rs,
loggerImgEvent: loggerImgEvent,
}
}