| /** |
| * Licensed to the Apache Software Foundation (ASF) under one |
| * or more contributor license agreements. See the NOTICE file |
| * distributed with this work for additional information |
| * regarding copyright ownership. The ASF licenses this file |
| * to you under the Apache License, Version 2.0 (the |
| * "License"); you may not use this file except in compliance |
| * with the License. You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| package org.apache.hadoop.yarn.nodelabels.store.op; |
| |
| import org.apache.hadoop.yarn.api.records.NodeId; |
| import org.apache.hadoop.yarn.api.records.NodeLabel; |
| import org.apache.hadoop.yarn.nodelabels.CommonNodeLabelsManager; |
| import org.apache.hadoop.yarn.proto.YarnServerResourceManagerServiceProtos; |
| import org.apache.hadoop.yarn.server.api.protocolrecords |
| .ReplaceLabelsOnNodeRequest; |
| import org.apache.hadoop.yarn.server.api.protocolrecords.impl.pb |
| .AddToClusterNodeLabelsRequestPBImpl; |
| import org.apache.hadoop.yarn.server.api.protocolrecords.impl.pb |
| .ReplaceLabelsOnNodeRequestPBImpl; |
| |
| import java.io.IOException; |
| import java.io.InputStream; |
| import java.io.OutputStream; |
| import java.util.List; |
| import java.util.Map; |
| import java.util.Set; |
| |
| /** |
| * NodeLabel Mirror Op class. |
| */ |
| public class NodeLabelMirrorOp |
| extends FSNodeStoreLogOp<CommonNodeLabelsManager> { |
| |
| public NodeLabelMirrorOp() { |
| super(); |
| } |
| |
| @Override |
| public void write(OutputStream os, CommonNodeLabelsManager mgr) |
| throws IOException { |
| ((AddToClusterNodeLabelsRequestPBImpl) AddToClusterNodeLabelsRequestPBImpl |
| .newInstance(mgr.getClusterNodeLabels())).getProto() |
| .writeDelimitedTo(os); |
| if (mgr.isCentralizedConfiguration()) { |
| ((ReplaceLabelsOnNodeRequestPBImpl) ReplaceLabelsOnNodeRequest |
| .newInstance(mgr.getNodeLabels())).getProto().writeDelimitedTo(os); |
| } |
| } |
| |
| @Override |
| public void recover(InputStream is, CommonNodeLabelsManager mgr) |
| throws IOException { |
| List<NodeLabel> labels = new AddToClusterNodeLabelsRequestPBImpl( |
| YarnServerResourceManagerServiceProtos |
| .AddToClusterNodeLabelsRequestProto |
| .parseDelimitedFrom(is)).getNodeLabels(); |
| mgr.addToCluserNodeLabels(labels); |
| |
| if (mgr.isCentralizedConfiguration()) { |
| // Only load node to labels mapping while using centralized |
| // configuration |
| Map<NodeId, Set<String>> nodeToLabels = |
| new ReplaceLabelsOnNodeRequestPBImpl( |
| YarnServerResourceManagerServiceProtos |
| .ReplaceLabelsOnNodeRequestProto |
| .parseDelimitedFrom(is)).getNodeToLabels(); |
| mgr.replaceLabelsOnNode(nodeToLabels); |
| } |
| } |
| |
| @Override |
| public int getOpCode() { |
| return -1; |
| } |
| } |