| /** |
| * 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.client; |
| |
| import static org.junit.Assert.assertEquals; |
| |
| import java.util.List; |
| import org.apache.hadoop.hbase.HBaseClassTestRule; |
| import org.apache.hadoop.hbase.HConstants; |
| import org.apache.hadoop.hbase.master.HMaster; |
| import org.apache.hadoop.hbase.testclassification.MediumTests; |
| import org.apache.hadoop.hbase.testclassification.MiscTests; |
| import org.apache.hadoop.hbase.util.JVMClusterUtil; |
| import org.apache.hadoop.hbase.zookeeper.ZKWatcher; |
| import org.junit.BeforeClass; |
| import org.junit.ClassRule; |
| import org.junit.Test; |
| import org.junit.experimental.categories.Category; |
| |
| /** |
| * Make sure we will honor the {@link HConstants#META_REPLICAS_NUM}. |
| */ |
| @Category({ MiscTests.class, MediumTests.class }) |
| public class TestCleanupMetaReplicaThroughConfig extends MetaWithReplicasTestBase { |
| |
| @ClassRule |
| public static final HBaseClassTestRule CLASS_RULE = |
| HBaseClassTestRule.forClass(TestCleanupMetaReplicaThroughConfig.class); |
| |
| @BeforeClass |
| public static void setUp() throws Exception { |
| startCluster(); |
| } |
| |
| @Test |
| public void testReplicaCleanup() throws Exception { |
| ZKWatcher zkw = TEST_UTIL.getZooKeeperWatcher(); |
| List<String> metaReplicaZnodes = zkw.getMetaReplicaNodes(); |
| assertEquals(3, metaReplicaZnodes.size()); |
| |
| final HMaster master = TEST_UTIL.getMiniHBaseCluster().getMaster(); |
| master.stop("Restarting"); |
| TEST_UTIL.waitFor(30000, () -> master.isStopped()); |
| TEST_UTIL.getMiniHBaseCluster().getConfiguration().setInt(HConstants.META_REPLICAS_NUM, 1); |
| |
| JVMClusterUtil.MasterThread newMasterThread = TEST_UTIL.getMiniHBaseCluster().startMaster(); |
| final HMaster newMaster = newMasterThread.getMaster(); |
| |
| // wait until new master finished meta replica assignment logic |
| TEST_UTIL.waitFor(30000, () -> newMaster.getMasterQuotaManager() != null); |
| TEST_UTIL.waitFor(30000, |
| () -> TEST_UTIL.getZooKeeperWatcher().getMetaReplicaNodes().size() == 1); |
| } |
| } |