| /* |
| * 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.io.File; |
| import java.util.Arrays; |
| import java.util.HashMap; |
| import java.util.Map; |
| import java.util.Set; |
| |
| import org.apache.commons.logging.Log; |
| import org.apache.commons.logging.LogFactory; |
| import org.apache.hadoop.yarn.api.records.NodeId; |
| import org.apache.hadoop.yarn.api.records.NodeLabel; |
| import org.apache.hadoop.yarn.conf.YarnConfiguration; |
| import org.junit.Assert; |
| import org.junit.Before; |
| import org.junit.Test; |
| |
| import com.google.common.collect.ImmutableSet; |
| |
| public class TestRMHAForNodeLabels extends RMHATestBase { |
| public static final Log LOG = LogFactory |
| .getLog(TestSubmitApplicationWithRMHA.class); |
| |
| @Before |
| @Override |
| public void setup() throws Exception { |
| super.setup(); |
| |
| // Create directory for node label store |
| File tempDir = File.createTempFile("nlb", ".tmp"); |
| tempDir.delete(); |
| tempDir.mkdirs(); |
| tempDir.deleteOnExit(); |
| |
| confForRM1.setBoolean(YarnConfiguration.NODE_LABELS_ENABLED, true); |
| confForRM1.set(YarnConfiguration.FS_NODE_LABELS_STORE_ROOT_DIR, |
| tempDir.getAbsolutePath()); |
| |
| confForRM2.setBoolean(YarnConfiguration.NODE_LABELS_ENABLED, true); |
| confForRM2.set(YarnConfiguration.FS_NODE_LABELS_STORE_ROOT_DIR, |
| tempDir.getAbsolutePath()); |
| } |
| |
| @Test |
| public void testRMHARecoverNodeLabels() throws Exception { |
| // start two RMs, and transit rm1 to active, rm2 to standby |
| startRMs(); |
| |
| // Add labels to rm1 |
| rm1.getRMContext() |
| .getNodeLabelManager() |
| .addToCluserNodeLabels( |
| Arrays.asList(NodeLabel.newInstance("a"), |
| NodeLabel.newInstance("b"), NodeLabel.newInstance("c"))); |
| |
| Map<NodeId, Set<String>> nodeToLabels = new HashMap<>(); |
| nodeToLabels.put(NodeId.newInstance("host1", 0), ImmutableSet.of("a")); |
| nodeToLabels.put(NodeId.newInstance("host2", 0), ImmutableSet.of("b")); |
| |
| rm1.getRMContext().getNodeLabelManager().replaceLabelsOnNode(nodeToLabels); |
| |
| // Do the failover |
| explicitFailover(); |
| |
| // Check labels in rm2 |
| Assert |
| .assertTrue(rm2.getRMContext().getNodeLabelManager() |
| .getClusterNodeLabelNames() |
| .containsAll(ImmutableSet.of("a", "b", "c"))); |
| Assert.assertTrue(rm2.getRMContext().getNodeLabelManager() |
| .getNodeLabels().get(NodeId.newInstance("host1", 0)).contains("a")); |
| Assert.assertTrue(rm2.getRMContext().getNodeLabelManager() |
| .getNodeLabels().get(NodeId.newInstance("host2", 0)).contains("b")); |
| } |
| } |