mirror of
https://github.com/containers/podman.git
synced 2026-03-17 22:28:22 -04:00
9afa1f7416
Add feature so that podman pull and load can pull in compressed docker-archive files Signed-off-by: umohnani8 <umohnani@redhat.com> Closes: #468 Approved by: baude
40 lines
1.3 KiB
Go
40 lines
1.3 KiB
Go
package archive
|
|
|
|
import (
|
|
"github.com/containers/image/docker/tarfile"
|
|
"github.com/containers/image/types"
|
|
"github.com/sirupsen/logrus"
|
|
)
|
|
|
|
type archiveImageSource struct {
|
|
*tarfile.Source // Implements most of types.ImageSource
|
|
ref archiveReference
|
|
}
|
|
|
|
// newImageSource returns a types.ImageSource for the specified image reference.
|
|
// The caller must call .Close() on the returned ImageSource.
|
|
func newImageSource(ctx *types.SystemContext, ref archiveReference) (types.ImageSource, error) {
|
|
if ref.destinationRef != nil {
|
|
logrus.Warnf("docker-archive: references are not supported for sources (ignoring)")
|
|
}
|
|
src, err := tarfile.NewSourceFromFile(ref.path)
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
return &archiveImageSource{
|
|
Source: src,
|
|
ref: ref,
|
|
}, nil
|
|
}
|
|
|
|
// Reference returns the reference used to set up this source, _as specified by the user_
|
|
// (not as the image itself, or its underlying storage, claims). This can be used e.g. to determine which public keys are trusted for this image.
|
|
func (s *archiveImageSource) Reference() types.ImageReference {
|
|
return s.ref
|
|
}
|
|
|
|
// LayerInfosForCopy() returns updated layer info that should be used when reading, in preference to values in the manifest, if specified.
|
|
func (s *archiveImageSource) LayerInfosForCopy() ([]types.BlobInfo, error) {
|
|
return nil, nil
|
|
}
|