| /** |
| * 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.server.resourcemanager; |
| |
| import java.util.List; |
| |
| import org.apache.hadoop.net.Node; |
| import org.apache.hadoop.yarn.api.records.ApplicationId; |
| import org.apache.hadoop.yarn.api.records.ContainerId; |
| import org.apache.hadoop.yarn.api.records.NodeHealthStatus; |
| import org.apache.hadoop.yarn.api.records.NodeId; |
| import org.apache.hadoop.yarn.api.records.Resource; |
| import org.apache.hadoop.yarn.factories.RecordFactory; |
| import org.apache.hadoop.yarn.factory.providers.RecordFactoryProvider; |
| import org.apache.hadoop.yarn.server.api.records.HeartbeatResponse; |
| import org.apache.hadoop.yarn.server.resourcemanager.rmnode.RMNode; |
| import org.apache.hadoop.yarn.server.resourcemanager.rmnode.RMNodeState; |
| |
| import com.google.common.collect.Lists; |
| |
| /** |
| * Test helper to generate mock nodes |
| */ |
| public class MockNodes { |
| private static int NODE_ID = 0; |
| private static RecordFactory recordFactory = RecordFactoryProvider.getRecordFactory(null); |
| |
| public static List<RMNode> newNodes(int racks, int nodesPerRack, |
| Resource perNode) { |
| List<RMNode> list = Lists.newArrayList(); |
| for (int i = 0; i < racks; ++i) { |
| for (int j = 0; j < nodesPerRack; ++j) { |
| if (j == (nodesPerRack - 1)) { |
| // One unhealthy node per rack. |
| list.add(nodeInfo(i, perNode, RMNodeState.UNHEALTHY)); |
| } |
| list.add(newNodeInfo(i, perNode)); |
| } |
| } |
| return list; |
| } |
| |
| public static List<RMNode> deactivatedNodes(int racks, int nodesPerRack, |
| Resource perNode) { |
| List<RMNode> list = Lists.newArrayList(); |
| for (int i = 0; i < racks; ++i) { |
| for (int j = 0; j < nodesPerRack; ++j) { |
| RMNodeState[] allStates = RMNodeState.values(); |
| list.add(nodeInfo(i, perNode, allStates[j % allStates.length])); |
| } |
| } |
| return list; |
| } |
| |
| public static NodeId newNodeID(String host, int port) { |
| NodeId nid = recordFactory.newRecordInstance(NodeId.class); |
| nid.setHost(host); |
| nid.setPort(port); |
| return nid; |
| } |
| |
| public static Resource newResource(int mem) { |
| Resource rs = recordFactory.newRecordInstance(Resource.class); |
| rs.setMemory(mem); |
| return rs; |
| } |
| |
| public static Resource newUsedResource(Resource total) { |
| Resource rs = recordFactory.newRecordInstance(Resource.class); |
| rs.setMemory((int)(Math.random() * total.getMemory())); |
| return rs; |
| } |
| |
| public static Resource newAvailResource(Resource total, Resource used) { |
| Resource rs = recordFactory.newRecordInstance(Resource.class); |
| rs.setMemory(total.getMemory() - used.getMemory()); |
| return rs; |
| } |
| |
| private static class MockRMNodeImpl implements RMNode { |
| private NodeId nodeId; |
| private String hostName; |
| private String nodeAddr; |
| private String httpAddress; |
| private int cmdPort; |
| private Resource perNode; |
| private String rackName; |
| private NodeHealthStatus nodeHealthStatus; |
| private RMNodeState state; |
| |
| public MockRMNodeImpl(NodeId nodeId, String nodeAddr, String httpAddress, |
| Resource perNode, String rackName, NodeHealthStatus nodeHealthStatus, |
| int cmdPort, String hostName, RMNodeState state) { |
| this.nodeId = nodeId; |
| this.nodeAddr = nodeAddr; |
| this.httpAddress = httpAddress; |
| this.perNode = perNode; |
| this.rackName = rackName; |
| this.nodeHealthStatus = nodeHealthStatus; |
| this.cmdPort = cmdPort; |
| this.hostName = hostName; |
| this.state = state; |
| } |
| |
| @Override |
| public NodeId getNodeID() { |
| return this.nodeId; |
| } |
| |
| @Override |
| public String getHostName() { |
| return this.hostName; |
| } |
| |
| @Override |
| public int getCommandPort() { |
| return this.cmdPort; |
| } |
| |
| @Override |
| public int getHttpPort() { |
| return 0; |
| } |
| |
| @Override |
| public String getNodeAddress() { |
| return this.nodeAddr; |
| } |
| |
| @Override |
| public String getHttpAddress() { |
| return this.httpAddress; |
| } |
| |
| @Override |
| public NodeHealthStatus getNodeHealthStatus() { |
| return this.nodeHealthStatus; |
| } |
| |
| @Override |
| public Resource getTotalCapability() { |
| return this.perNode; |
| } |
| |
| @Override |
| public String getRackName() { |
| return this.rackName; |
| } |
| |
| @Override |
| public Node getNode() { |
| throw new UnsupportedOperationException("Not supported yet."); |
| } |
| |
| @Override |
| public RMNodeState getState() { |
| return this.state; |
| } |
| |
| @Override |
| public List<ContainerId> getContainersToCleanUp() { |
| return null; |
| } |
| |
| @Override |
| public List<ApplicationId> getAppsToCleanup() { |
| return null; |
| } |
| |
| @Override |
| public HeartbeatResponse getLastHeartBeatResponse() { |
| return null; |
| } |
| }; |
| |
| private static RMNode buildRMNode(int rack, final Resource perNode, RMNodeState state, String httpAddr) { |
| return buildRMNode(rack, perNode, state, httpAddr, NODE_ID++); |
| } |
| |
| private static RMNode buildRMNode(int rack, final Resource perNode, RMNodeState state, String httpAddr, int hostnum) { |
| final String rackName = "rack"+ rack; |
| final int nid = hostnum; |
| final String hostName = "host"+ nid; |
| final int port = 123; |
| final NodeId nodeID = newNodeID(hostName, port); |
| final String httpAddress = httpAddr; |
| final NodeHealthStatus nodeHealthStatus = |
| recordFactory.newRecordInstance(NodeHealthStatus.class); |
| if (state != RMNodeState.UNHEALTHY) { |
| nodeHealthStatus.setIsNodeHealthy(true); |
| nodeHealthStatus.setHealthReport("HealthyMe"); |
| } |
| return new MockRMNodeImpl(nodeID, hostName, httpAddress, perNode, rackName, |
| nodeHealthStatus, nid, hostName, state); |
| } |
| |
| public static RMNode nodeInfo(int rack, final Resource perNode, |
| RMNodeState state) { |
| return buildRMNode(rack, perNode, state, "N/A"); |
| } |
| |
| public static RMNode newNodeInfo(int rack, final Resource perNode) { |
| return buildRMNode(rack, perNode, RMNodeState.RUNNING, "localhost:0"); |
| } |
| |
| public static RMNode newNodeInfo(int rack, final Resource perNode, int hostnum) { |
| return buildRMNode(rack, perNode, null, "localhost:0", hostnum); |
| } |
| } |