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moby--moby/graph/service.go
Antonio Murdaca fa2c68a89e Remove engine/job from graph
Signed-off-by: Antonio Murdaca <me@runcom.ninja>
2015-04-23 23:36:29 +02:00

68 lines
1.6 KiB
Go

package graph
import (
"fmt"
"io"
"github.com/Sirupsen/logrus"
"github.com/docker/docker/api/types"
)
func (s *TagStore) LookupRaw(name string) ([]byte, error) {
image, err := s.LookupImage(name)
if err != nil || image == nil {
return nil, fmt.Errorf("No such image %s", name)
}
imageInspectRaw, err := image.RawJson()
if err != nil {
return nil, err
}
return imageInspectRaw, nil
}
// Lookup return an image encoded in JSON
func (s *TagStore) Lookup(name string) (*types.ImageInspect, error) {
image, err := s.LookupImage(name)
if err != nil || image == nil {
return nil, fmt.Errorf("No such image: %s", name)
}
imageInspect := &types.ImageInspect{
Id: image.ID,
Parent: image.Parent,
Comment: image.Comment,
Created: image.Created,
Container: image.Container,
ContainerConfig: &image.ContainerConfig,
DockerVersion: image.DockerVersion,
Author: image.Author,
Config: image.Config,
Architecture: image.Architecture,
Os: image.OS,
Size: image.Size,
VirtualSize: image.GetParentsSize(0) + image.Size,
}
return imageInspect, nil
}
// ImageTarLayer return the tarLayer of the image
func (s *TagStore) ImageTarLayer(name string, dest io.Writer) error {
if image, err := s.LookupImage(name); err == nil && image != nil {
fs, err := image.TarLayer()
if err != nil {
return err
}
defer fs.Close()
written, err := io.Copy(dest, fs)
if err != nil {
return err
}
logrus.Debugf("rendered layer for %s of [%d] size", image.ID, written)
return nil
}
return fmt.Errorf("No such image: %s", name)
}