}
@Override
public UpgradeStatusReport distributedUpgradeProgress(UpgradeAction action)
throws IOException {
DistributedUpgradeProgressRequestProto req =
DistributedUpgradeProgressRequestProto.newBuilder().
setAction(PBHelper.convert(action)).build();
try {
DistributedUpgradeProgressResponseProto res = rpcProxy
.distributedUpgradeProgress(null, req);