| /** |
| * 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.hdfs.server.namenode.ha; |
| |
| import static org.junit.Assert.assertEquals; |
| |
| import java.io.IOException; |
| import java.util.EnumSet; |
| import java.util.List; |
| import java.util.Map; |
| |
| import org.apache.hadoop.conf.Configuration; |
| import org.apache.hadoop.fs.FileSystem; |
| import org.apache.hadoop.fs.Path; |
| import org.apache.hadoop.fs.XAttr; |
| import org.apache.hadoop.fs.XAttrSetFlag; |
| import org.apache.hadoop.hdfs.DFSConfigKeys; |
| import org.apache.hadoop.hdfs.HAUtil; |
| import org.apache.hadoop.hdfs.MiniDFSCluster; |
| import org.apache.hadoop.hdfs.MiniDFSNNTopology; |
| import org.apache.hadoop.hdfs.server.namenode.NameNode; |
| import org.junit.After; |
| import org.junit.Assert; |
| import org.junit.Before; |
| import org.junit.Test; |
| |
| /** |
| * Tests interaction of XAttrs with HA failover. |
| */ |
| public class TestXAttrsWithHA { |
| private static final Path path = new Path("/file"); |
| |
| // XAttrs |
| protected static final String name1 = "user.a1"; |
| protected static final byte[] value1 = {0x31, 0x32, 0x33}; |
| protected static final byte[] newValue1 = {0x31, 0x31, 0x31}; |
| protected static final String name2 = "user.a2"; |
| protected static final byte[] value2 = {0x37, 0x38, 0x39}; |
| protected static final String name3 = "user.a3"; |
| |
| private MiniDFSCluster cluster; |
| private NameNode nn0; |
| private NameNode nn1; |
| private FileSystem fs; |
| |
| @Before |
| public void setupCluster() throws Exception { |
| Configuration conf = new Configuration(); |
| conf.setInt(DFSConfigKeys.DFS_HA_TAILEDITS_PERIOD_KEY, 1); |
| HAUtil.setAllowStandbyReads(conf, true); |
| |
| cluster = new MiniDFSCluster.Builder(conf) |
| .nnTopology(MiniDFSNNTopology.simpleHATopology()) |
| .numDataNodes(1) |
| .waitSafeMode(false) |
| .build(); |
| cluster.waitActive(); |
| |
| nn0 = cluster.getNameNode(0); |
| nn1 = cluster.getNameNode(1); |
| fs = HATestUtil.configureFailoverFs(cluster, conf); |
| |
| cluster.transitionToActive(0); |
| } |
| |
| @After |
| public void shutdownCluster() throws IOException { |
| if (cluster != null) { |
| cluster.shutdown(); |
| } |
| } |
| |
| /** |
| * Test that xattrs are properly tracked by the standby |
| */ |
| @Test(timeout = 60000) |
| public void testXAttrsTrackedOnStandby() throws Exception { |
| fs.create(path).close(); |
| fs.setXAttr(path, name1, value1, EnumSet.of(XAttrSetFlag.CREATE)); |
| fs.setXAttr(path, name2, value2, EnumSet.of(XAttrSetFlag.CREATE)); |
| |
| HATestUtil.waitForStandbyToCatchUp(nn0, nn1); |
| List<XAttr> xAttrs = nn1.getRpcServer().getXAttrs("/file", null); |
| assertEquals(2, xAttrs.size()); |
| cluster.shutdownNameNode(0); |
| |
| // Failover the current standby to active. |
| cluster.shutdownNameNode(0); |
| cluster.transitionToActive(1); |
| |
| Map<String, byte[]> xattrs = fs.getXAttrs(path); |
| Assert.assertEquals(xattrs.size(), 2); |
| Assert.assertArrayEquals(value1, xattrs.get(name1)); |
| Assert.assertArrayEquals(value2, xattrs.get(name2)); |
| |
| fs.delete(path, true); |
| } |
| |
| } |