Added VolumeMarkWritable and VolumeStatus grpc methods

This is necessary for copy to mark as read-only and then restore the
original state afterwards.
This commit is contained in:
James Hartig
2020-08-19 11:42:56 -04:00
parent 3b4b1d4a77
commit 3ccfa4c6ad
7 changed files with 1387 additions and 952 deletions

View File

@@ -91,6 +91,43 @@ func LiveMoveVolume(grpcDialOption grpc.DialOption, volumeId needle.VolumeId, so
func copyVolume(grpcDialOption grpc.DialOption, volumeId needle.VolumeId, sourceVolumeServer, targetVolumeServer string) (lastAppendAtNs uint64, err error) {
// check to see if the volume is already read-only and if its not then we need
// to mark it as read-only and then before we return we need to undo what we
// did
var shouldMarkWritable bool
defer func() {
if !shouldMarkWritable {
return
}
clientErr := operation.WithVolumeServerClient(sourceVolumeServer, grpcDialOption, func(volumeServerClient volume_server_pb.VolumeServerClient) error {
_, writableErr := volumeServerClient.VolumeMarkWritable(context.Background(), &volume_server_pb.VolumeMarkWritableRequest{
VolumeId: uint32(volumeId),
})
return writableErr
})
if clientErr != nil {
log.Printf("failed to mark volume %d as writable after copy from %s: %v", volumeId, sourceVolumeServer, clientErr)
}
}()
err = operation.WithVolumeServerClient(sourceVolumeServer, grpcDialOption, func(volumeServerClient volume_server_pb.VolumeServerClient) error {
resp, statusErr := volumeServerClient.VolumeStatus(context.Background(), &volume_server_pb.VolumeStatusRequest{
VolumeId: uint32(volumeId),
})
if statusErr == nil && !resp.IsReadOnly {
shouldMarkWritable = true
_, readonlyErr := volumeServerClient.VolumeMarkReadonly(context.Background(), &volume_server_pb.VolumeMarkReadonlyRequest{
VolumeId: uint32(volumeId),
})
return readonlyErr
}
return statusErr
})
if err != nil {
return
}
err = operation.WithVolumeServerClient(targetVolumeServer, grpcDialOption, func(volumeServerClient volume_server_pb.VolumeServerClient) error {
resp, replicateErr := volumeServerClient.VolumeCopy(context.Background(), &volume_server_pb.VolumeCopyRequest{
VolumeId: uint32(volumeId),