| /** |
| * 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.assertNotEquals; |
| import static org.junit.Assert.assertTrue; |
| |
| import java.util.Collection; |
| import java.util.EnumSet; |
| import org.apache.hadoop.conf.Configuration; |
| import org.apache.hadoop.hbase.ClusterMetrics.Option; |
| import org.apache.hadoop.hbase.HBaseClassTestRule; |
| import org.apache.hadoop.hbase.HConstants; |
| import org.apache.hadoop.hbase.ServerName; |
| import org.apache.hadoop.hbase.TableName; |
| import org.apache.hadoop.hbase.testclassification.MediumTests; |
| import org.apache.hadoop.hbase.testclassification.MiscTests; |
| import org.apache.hadoop.hbase.zookeeper.ZKUtil; |
| import org.apache.hadoop.hbase.zookeeper.ZKWatcher; |
| import org.apache.hadoop.hbase.zookeeper.ZNodePaths; |
| import org.junit.BeforeClass; |
| import org.junit.ClassRule; |
| import org.junit.Test; |
| import org.junit.experimental.categories.Category; |
| import org.slf4j.Logger; |
| import org.slf4j.LoggerFactory; |
| |
| import org.apache.hadoop.hbase.shaded.protobuf.ProtobufUtil; |
| |
| @Category({ MiscTests.class, MediumTests.class }) |
| public class TestMetaReplicasAddressChange extends MetaWithReplicasTestBase { |
| |
| @ClassRule |
| public static final HBaseClassTestRule CLASS_RULE = |
| HBaseClassTestRule.forClass(TestMetaReplicasAddressChange.class); |
| |
| private static final Logger LOG = LoggerFactory.getLogger(TestMetaReplicasAddressChange.class); |
| |
| @BeforeClass |
| public static void setUp() throws Exception { |
| startCluster(); |
| } |
| |
| @Test |
| public void testMetaAddressChange() throws Exception { |
| // checks that even when the meta's location changes, the various |
| // caches update themselves. Uses the master operations to test |
| // this |
| Configuration conf = TEST_UTIL.getConfiguration(); |
| ZKWatcher zkw = TEST_UTIL.getZooKeeperWatcher(); |
| String baseZNode = |
| conf.get(HConstants.ZOOKEEPER_ZNODE_PARENT, HConstants.DEFAULT_ZOOKEEPER_ZNODE_PARENT); |
| String primaryMetaZnode = |
| ZNodePaths.joinZNode(baseZNode, conf.get("zookeeper.znode.metaserver", "meta-region-server")); |
| // check that the data in the znode is parseable (this would also mean the znode exists) |
| byte[] data = ZKUtil.getData(zkw, primaryMetaZnode); |
| ServerName currentServer = ProtobufUtil.toServerName(data); |
| Collection<ServerName> liveServers = TEST_UTIL.getAdmin() |
| .getClusterMetrics(EnumSet.of(Option.LIVE_SERVERS)).getLiveServerMetrics().keySet(); |
| ServerName moveToServer = |
| liveServers.stream().filter(s -> !currentServer.equals(s)).findAny().get(); |
| final TableName tableName = name.getTableName(); |
| TEST_UTIL.createTable(tableName, "f"); |
| assertTrue(TEST_UTIL.getAdmin().tableExists(tableName)); |
| TEST_UTIL.getAdmin().move(RegionInfoBuilder.FIRST_META_REGIONINFO.getEncodedNameAsBytes(), |
| moveToServer); |
| assertNotEquals(currentServer, moveToServer); |
| LOG.debug("CurrentServer={}, moveToServer={}", currentServer, moveToServer); |
| TEST_UTIL.waitFor(60000, () -> { |
| byte[] bytes = ZKUtil.getData(zkw, primaryMetaZnode); |
| ServerName actualServer = ProtobufUtil.toServerName(bytes); |
| return moveToServer.equals(actualServer); |
| }); |
| TEST_UTIL.getAdmin().disableTable(tableName); |
| assertTrue(TEST_UTIL.getAdmin().isTableDisabled(tableName)); |
| } |
| } |