| /* |
| * 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.cassandra.db.commitlog; |
| |
| import org.junit.Assert; |
| import org.junit.BeforeClass; |
| import org.junit.Test; |
| import org.apache.cassandra.SchemaLoader; |
| import org.apache.cassandra.config.Config; |
| import org.apache.cassandra.config.DatabaseDescriptor; |
| import org.apache.cassandra.db.commitlog.CommitLog; |
| import org.apache.cassandra.exceptions.ConfigurationException; |
| import org.apache.cassandra.gms.Gossiper; |
| import org.apache.cassandra.service.CassandraDaemon; |
| import org.apache.cassandra.service.StorageService; |
| import org.apache.cassandra.utils.JVMStabilityInspector; |
| import org.apache.cassandra.utils.KillerForTests; |
| |
| public class CommitLogFailurePolicyTest |
| { |
| @BeforeClass |
| public static void defineSchema() throws ConfigurationException |
| { |
| SchemaLoader.prepareServer(); |
| System.setProperty("cassandra.commitlog.stop_on_errors", "true"); |
| } |
| |
| @Test |
| public void testCommitFailurePolicy_stop() throws ConfigurationException |
| { |
| CassandraDaemon daemon = new CassandraDaemon(); |
| daemon.completeSetup(); //startup must be completed, otherwise commit log failure must kill JVM regardless of failure policy |
| StorageService.instance.registerDaemon(daemon); |
| |
| // Need storage service active so stop policy can shutdown gossip |
| StorageService.instance.initServer(); |
| Assert.assertTrue(Gossiper.instance.isEnabled()); |
| |
| Config.CommitFailurePolicy oldPolicy = DatabaseDescriptor.getCommitFailurePolicy(); |
| try |
| { |
| DatabaseDescriptor.setCommitFailurePolicy(Config.CommitFailurePolicy.stop); |
| CommitLog.handleCommitError("Test stop error", new Throwable()); |
| Assert.assertFalse(Gossiper.instance.isEnabled()); |
| } |
| finally |
| { |
| DatabaseDescriptor.setCommitFailurePolicy(oldPolicy); |
| } |
| } |
| |
| @Test |
| public void testCommitFailurePolicy_die() |
| { |
| CassandraDaemon daemon = new CassandraDaemon(); |
| daemon.completeSetup(); //startup must be completed, otherwise commit log failure must kill JVM regardless of failure policy |
| StorageService.instance.registerDaemon(daemon); |
| |
| KillerForTests killerForTests = new KillerForTests(); |
| JVMStabilityInspector.Killer originalKiller = JVMStabilityInspector.replaceKiller(killerForTests); |
| Config.CommitFailurePolicy oldPolicy = DatabaseDescriptor.getCommitFailurePolicy(); |
| try |
| { |
| DatabaseDescriptor.setCommitFailurePolicy(Config.CommitFailurePolicy.die); |
| CommitLog.handleCommitError("Testing die policy", new Throwable()); |
| Assert.assertTrue(killerForTests.wasKilled()); |
| Assert.assertFalse(killerForTests.wasKilledQuietly()); //only killed quietly on startup failure |
| } |
| finally |
| { |
| DatabaseDescriptor.setCommitFailurePolicy(oldPolicy); |
| JVMStabilityInspector.replaceKiller(originalKiller); |
| } |
| } |
| |
| @Test |
| public void testCommitFailurePolicy_ignore_beforeStartup() |
| { |
| //startup was not completed successfuly (since method completeSetup() was not called) |
| CassandraDaemon daemon = new CassandraDaemon(); |
| StorageService.instance.registerDaemon(daemon); |
| |
| KillerForTests killerForTests = new KillerForTests(); |
| JVMStabilityInspector.Killer originalKiller = JVMStabilityInspector.replaceKiller(killerForTests); |
| Config.CommitFailurePolicy oldPolicy = DatabaseDescriptor.getCommitFailurePolicy(); |
| try |
| { |
| DatabaseDescriptor.setCommitFailurePolicy(Config.CommitFailurePolicy.ignore); |
| CommitLog.handleCommitError("Testing ignore policy", new Throwable()); |
| //even though policy is ignore, JVM must die because Daemon has not finished initializing |
| Assert.assertTrue(killerForTests.wasKilled()); |
| Assert.assertTrue(killerForTests.wasKilledQuietly()); //killed quietly due to startup failure |
| } |
| finally |
| { |
| DatabaseDescriptor.setCommitFailurePolicy(oldPolicy); |
| JVMStabilityInspector.replaceKiller(originalKiller); |
| } |
| } |
| |
| @Test |
| public void testCommitFailurePolicy_ignore_afterStartup() throws Exception |
| { |
| CassandraDaemon daemon = new CassandraDaemon(); |
| daemon.completeSetup(); //startup must be completed, otherwise commit log failure must kill JVM regardless of failure policy |
| StorageService.instance.registerDaemon(daemon); |
| |
| KillerForTests killerForTests = new KillerForTests(); |
| JVMStabilityInspector.Killer originalKiller = JVMStabilityInspector.replaceKiller(killerForTests); |
| Config.CommitFailurePolicy oldPolicy = DatabaseDescriptor.getCommitFailurePolicy(); |
| try |
| { |
| DatabaseDescriptor.setCommitFailurePolicy(Config.CommitFailurePolicy.ignore); |
| CommitLog.handleCommitError("Testing ignore policy", new Throwable()); |
| //error policy is set to IGNORE, so JVM must not be killed if error ocurs after startup |
| Assert.assertFalse(killerForTests.wasKilled()); |
| } |
| finally |
| { |
| DatabaseDescriptor.setCommitFailurePolicy(oldPolicy); |
| JVMStabilityInspector.replaceKiller(originalKiller); |
| } |
| } |
| } |