| /** |
| * 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; |
| |
| import static org.apache.hadoop.test.GenericTestUtils.assertExceptionContains; |
| import static org.junit.Assert.assertEquals; |
| import static org.junit.Assert.assertNull; |
| import static org.junit.Assert.assertTrue; |
| |
| import org.apache.hadoop.hdfs.server.common.HdfsServerConstants; |
| import org.apache.hadoop.hdfs.server.common.HdfsServerConstants.RollingUpgradeStartupOption; |
| import org.apache.hadoop.hdfs.server.common.HdfsServerConstants.StartupOption; |
| import org.junit.Assert; |
| import org.junit.Test; |
| |
| public class TestNameNodeOptionParsing { |
| |
| @Test(timeout = 10000) |
| public void testUpgrade() { |
| StartupOption opt = null; |
| // UPGRADE is set, but nothing else |
| opt = NameNode.parseArguments(new String[] {"-upgrade"}); |
| assertEquals(opt, StartupOption.UPGRADE); |
| assertNull(opt.getClusterId()); |
| assertTrue(FSImageFormat.renameReservedMap.isEmpty()); |
| // cluster ID is set |
| opt = NameNode.parseArguments(new String[] { "-upgrade", "-clusterid", |
| "mycid" }); |
| assertEquals(StartupOption.UPGRADE, opt); |
| assertEquals("mycid", opt.getClusterId()); |
| assertTrue(FSImageFormat.renameReservedMap.isEmpty()); |
| // Everything is set |
| opt = NameNode.parseArguments(new String[] { "-upgrade", "-clusterid", |
| "mycid", "-renameReserved", |
| ".snapshot=.my-snapshot,.reserved=.my-reserved" }); |
| assertEquals(StartupOption.UPGRADE, opt); |
| assertEquals("mycid", opt.getClusterId()); |
| assertEquals(".my-snapshot", |
| FSImageFormat.renameReservedMap.get(".snapshot")); |
| assertEquals(".my-reserved", |
| FSImageFormat.renameReservedMap.get(".reserved")); |
| // Reset the map |
| FSImageFormat.renameReservedMap.clear(); |
| // Everything is set, but in a different order |
| opt = NameNode.parseArguments(new String[] { "-upgrade", "-renameReserved", |
| ".reserved=.my-reserved,.snapshot=.my-snapshot", "-clusterid", |
| "mycid"}); |
| assertEquals(StartupOption.UPGRADE, opt); |
| assertEquals("mycid", opt.getClusterId()); |
| assertEquals(".my-snapshot", |
| FSImageFormat.renameReservedMap.get(".snapshot")); |
| assertEquals(".my-reserved", |
| FSImageFormat.renameReservedMap.get(".reserved")); |
| // Try the default renameReserved |
| opt = NameNode.parseArguments(new String[] { "-upgrade", "-renameReserved"}); |
| assertEquals(StartupOption.UPGRADE, opt); |
| assertEquals( |
| ".snapshot." + HdfsServerConstants.NAMENODE_LAYOUT_VERSION |
| + ".UPGRADE_RENAMED", |
| FSImageFormat.renameReservedMap.get(".snapshot")); |
| assertEquals( |
| ".reserved." + HdfsServerConstants.NAMENODE_LAYOUT_VERSION |
| + ".UPGRADE_RENAMED", |
| FSImageFormat.renameReservedMap.get(".reserved")); |
| |
| // Try some error conditions |
| try { |
| opt = |
| NameNode.parseArguments(new String[] { "-upgrade", "-renameReserved", |
| ".reserved=.my-reserved,.not-reserved=.my-not-reserved" }); |
| } catch (IllegalArgumentException e) { |
| assertExceptionContains("Unknown reserved path", e); |
| } |
| try { |
| opt = |
| NameNode.parseArguments(new String[] { "-upgrade", "-renameReserved", |
| ".reserved=.my-reserved,.snapshot=.snapshot" }); |
| } catch (IllegalArgumentException e) { |
| assertExceptionContains("Invalid rename path", e); |
| } |
| try { |
| opt = |
| NameNode.parseArguments(new String[] { "-upgrade", "-renameReserved", |
| ".snapshot=.reserved" }); |
| } catch (IllegalArgumentException e) { |
| assertExceptionContains("Invalid rename path", e); |
| } |
| opt = NameNode.parseArguments(new String[] { "-upgrade", "-cid"}); |
| assertNull(opt); |
| } |
| |
| @Test(timeout = 10000) |
| public void testRollingUpgrade() { |
| { |
| final String[] args = {"-rollingUpgrade"}; |
| final StartupOption opt = NameNode.parseArguments(args); |
| assertNull(opt); |
| } |
| |
| { |
| final String[] args = {"-rollingUpgrade", "started"}; |
| final StartupOption opt = NameNode.parseArguments(args); |
| assertEquals(StartupOption.ROLLINGUPGRADE, opt); |
| assertEquals(RollingUpgradeStartupOption.STARTED, opt.getRollingUpgradeStartupOption()); |
| assertTrue(RollingUpgradeStartupOption.STARTED.matches(opt)); |
| } |
| |
| { |
| final String[] args = {"-rollingUpgrade", "downgrade"}; |
| final StartupOption opt = NameNode.parseArguments(args); |
| assertEquals(StartupOption.ROLLINGUPGRADE, opt); |
| assertEquals(RollingUpgradeStartupOption.DOWNGRADE, opt.getRollingUpgradeStartupOption()); |
| assertTrue(RollingUpgradeStartupOption.DOWNGRADE.matches(opt)); |
| } |
| |
| { |
| final String[] args = {"-rollingUpgrade", "rollback"}; |
| final StartupOption opt = NameNode.parseArguments(args); |
| assertEquals(StartupOption.ROLLINGUPGRADE, opt); |
| assertEquals(RollingUpgradeStartupOption.ROLLBACK, opt.getRollingUpgradeStartupOption()); |
| assertTrue(RollingUpgradeStartupOption.ROLLBACK.matches(opt)); |
| } |
| |
| { |
| final String[] args = {"-rollingUpgrade", "foo"}; |
| try { |
| NameNode.parseArguments(args); |
| Assert.fail(); |
| } catch(IllegalArgumentException iae) { |
| // the exception is expected. |
| } |
| } |
| } |
| |
| } |