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Add snapshot and diff service

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Remove rootfs service in place of snapshot service. Adds
diff service for extracting and creating diffs. Diff
creation is not yet implemented. This service allows
pulling or creating images without needing root access to
mount. Additionally in the future this will allow containerd
to ensure extractions happen safely in a chroot if needed.

Signed-off-by: Derek McGowan <derek@mcgstyle.net>
This commit is contained in:
Derek McGowan
2017-05-08 13:47:58 -07:00
parent a622f5e726
commit 098ff94b24
23 changed files with 4381 additions and 1571 deletions
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8
cmd/ctr/utils.go
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@@ -15,13 +15,15 @@ import (
contentapi "github.com/containerd/containerd/api/services/content"
"github.com/containerd/containerd/api/services/execution"
imagesapi "github.com/containerd/containerd/api/services/images"
rootfsapi "github.com/containerd/containerd/api/services/rootfs"
snapshotapi "github.com/containerd/containerd/api/services/snapshot"
versionservice "github.com/containerd/containerd/api/services/version"
"github.com/containerd/containerd/api/types/container"
"github.com/containerd/containerd/content"
"github.com/containerd/containerd/images"
contentservice "github.com/containerd/containerd/services/content"
imagesservice "github.com/containerd/containerd/services/images"
snapshotservice "github.com/containerd/containerd/services/snapshot"
"github.com/containerd/containerd/snapshot"
"github.com/urfave/cli"
"google.golang.org/grpc"
)
@@ -44,12 +46,12 @@ func getContentStore(context *cli.Context) (content.Store, error) {
return contentservice.NewStoreFromClient(contentapi.NewContentClient(conn)), nil
}
func getRootFSService(context *cli.Context) (rootfsapi.RootFSClient, error) {
func getSnapshotter(context *cli.Context) (snapshot.Snapshotter, error) {
conn, err := getGRPCConnection(context)
if err != nil {
return nil, err
}
return rootfsapi.NewRootFSClient(conn), nil
return snapshotservice.NewSnapshotterFromClient(snapshotapi.NewSnapshotClient(conn)), nil
}
func getImageStore(clicontext *cli.Context) (images.Store, error) {