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support using multiple snapshotters simultaneously

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e.g. dist pull --snapshotter btrfs ...; ctr run --snapshotter btrfs ...
(empty string defaults for overlayfs)

Signed-off-by: Akihiro Suda <suda.akihiro@lab.ntt.co.jp>
Signed-off-by: Michael Crosby <crosbymichael@gmail.com>
This commit is contained in:
Akihiro Suda
2017-07-11 09:10:57 +00:00
committed by Michael Crosby
parent 8f1c11d862
commit b06aab713a
22 changed files with 743 additions and 255 deletions
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9
cmd/ctr/utils.go
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@@ -35,6 +35,13 @@ import (
"google.golang.org/grpc"
)
var snapshotterFlags = []cli.Flag{
cli.StringFlag{
Name: "snapshotter",
Usage: "Snapshotter name. Empty value stands for the daemon default value.",
},
}
var grpcConn *grpc.ClientConn
// appContext returns the context for a command. Should only be called once per
@@ -111,7 +118,7 @@ func getSnapshotter(context *cli.Context) (snapshot.Snapshotter, error) {
if err != nil {
return nil, err
}
return snapshotservice.NewSnapshotterFromClient(snapshotapi.NewSnapshotsClient(conn)), nil
return snapshotservice.NewSnapshotterFromClient(snapshotapi.NewSnapshotsClient(conn), context.GlobalString("snapshotter")), nil
}
func getImageStore(clicontext *cli.Context) (images.Store, error) {