| /** |
| * 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.hbase.master; |
| |
| import static org.junit.Assert.*; |
| |
| import org.apache.commons.logging.Log; |
| import org.apache.commons.logging.LogFactory; |
| import org.apache.hadoop.hbase.HBaseTestingUtility; |
| import org.apache.hadoop.hbase.testclassification.MasterTests; |
| import org.apache.hadoop.hbase.testclassification.MediumTests; |
| import org.apache.hadoop.hbase.util.Threads; |
| import org.junit.AfterClass; |
| import org.junit.BeforeClass; |
| import org.junit.Test; |
| import org.junit.experimental.categories.Category; |
| |
| @Category({MasterTests.class, MediumTests.class}) |
| public class TestMasterMetricsWrapper { |
| private static final Log LOG = LogFactory.getLog(TestMasterMetricsWrapper.class); |
| |
| private static final HBaseTestingUtility TEST_UTIL = new HBaseTestingUtility(); |
| |
| @BeforeClass |
| public static void setup() throws Exception { |
| TEST_UTIL.startMiniCluster(1, 4); |
| } |
| |
| @AfterClass |
| public static void teardown() throws Exception { |
| TEST_UTIL.shutdownMiniCluster(); |
| } |
| |
| @Test (timeout = 30000) |
| public void testInfo() { |
| HMaster master = TEST_UTIL.getHBaseCluster().getMaster(); |
| MetricsMasterWrapperImpl info = new MetricsMasterWrapperImpl(master); |
| assertEquals(master.getSplitPlanCount(), info.getSplitPlanCount(), 0); |
| assertEquals(master.getMergePlanCount(), info.getMergePlanCount(), 0); |
| assertEquals(master.getAverageLoad(), info.getAverageLoad(), 0); |
| assertEquals(master.getClusterId(), info.getClusterId()); |
| assertEquals(master.getMasterActiveTime(), info.getActiveTime()); |
| assertEquals(master.getMasterStartTime(), info.getStartTime()); |
| assertEquals(master.getMasterCoprocessors().length, info.getCoprocessors().length); |
| assertEquals(master.getServerManager().getOnlineServersList().size(), info.getNumRegionServers()); |
| assertEquals(5, info.getNumRegionServers()); |
| |
| String zkServers = info.getZookeeperQuorum(); |
| assertEquals(zkServers.split(",").length, TEST_UTIL.getZkCluster().getZooKeeperServerNum()); |
| |
| final int index = 3; |
| LOG.info("Stopping " + TEST_UTIL.getMiniHBaseCluster().getRegionServer(index)); |
| TEST_UTIL.getMiniHBaseCluster().stopRegionServer(index, false); |
| TEST_UTIL.getMiniHBaseCluster().waitOnRegionServer(index); |
| // We stopped the regionserver but could take a while for the master to notice it so hang here |
| // until it does... then move forward to see if metrics wrapper notices. |
| while (TEST_UTIL.getHBaseCluster().getMaster().getServerManager().getOnlineServers().size() != |
| 4) { |
| Threads.sleep(10); |
| } |
| assertEquals(4, info.getNumRegionServers()); |
| assertEquals(1, info.getNumDeadRegionServers()); |
| assertEquals(1, info.getNumWALFiles()); |
| } |
| } |