| /* |
| * 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.distributed.test; |
| |
| import java.io.IOException; |
| import java.io.Serializable; |
| import java.net.InetAddress; |
| import java.util.concurrent.ExecutionException; |
| import java.util.concurrent.ExecutorService; |
| import java.util.concurrent.Executors; |
| import java.util.concurrent.Future; |
| import java.util.concurrent.atomic.AtomicBoolean; |
| |
| import org.junit.Test; |
| |
| import org.apache.cassandra.distributed.Cluster; |
| import org.apache.cassandra.distributed.api.ConsistencyLevel; |
| import org.apache.cassandra.gms.ApplicationState; |
| import org.apache.cassandra.gms.EndpointState; |
| import org.apache.cassandra.gms.Gossiper; |
| import org.apache.cassandra.gms.IEndpointStateChangeSubscriber; |
| import org.apache.cassandra.gms.VersionedValue; |
| import org.apache.cassandra.net.MessagingService; |
| import org.apache.cassandra.service.StorageService; |
| import org.apache.cassandra.utils.concurrent.SimpleCondition; |
| |
| import static org.apache.cassandra.distributed.api.Feature.GOSSIP; |
| import static org.apache.cassandra.distributed.api.Feature.NETWORK; |
| |
| public class GossipShutdownTest extends TestBaseImpl |
| { |
| /** |
| * Makes sure that a node that has shutdown doesn't come back as live (without being restarted) |
| */ |
| @Test |
| public void shutdownStayDownTest() throws IOException, InterruptedException, ExecutionException |
| { |
| ExecutorService es = Executors.newSingleThreadExecutor(); |
| try (Cluster cluster = init(builder().withNodes(2) |
| .withConfig(config -> config.with(GOSSIP) |
| .with(NETWORK)) |
| .start())) |
| { |
| cluster.schemaChange("create table "+KEYSPACE+".tbl (id int primary key, v int)"); |
| |
| for (int i = 0; i < 10; i++) |
| cluster.coordinator(1).execute("insert into "+KEYSPACE+".tbl (id, v) values (?,?)", ConsistencyLevel.ALL, i, i); |
| |
| SimpleCondition timeToShutdown = new SimpleCondition(); |
| SimpleCondition waitForShutdown = new SimpleCondition(); |
| AtomicBoolean signalled = new AtomicBoolean(false); |
| Future f = es.submit(() -> { |
| await(timeToShutdown); |
| |
| cluster.get(1).runOnInstance(() -> { |
| Gossiper.instance.register(new EPChanges()); |
| }); |
| |
| cluster.get(2).runOnInstance(() -> { |
| StorageService.instance.setIsShutdownUnsafeForTests(true); |
| Gossiper.instance.stop(); |
| }); |
| waitForShutdown.signalAll(); |
| }); |
| |
| cluster.filters().outbound().from(2).to(1).verbs(MessagingService.Verb.GOSSIP_DIGEST_SYN.ordinal()).messagesMatching((from, to, message) -> true).drop(); |
| cluster.filters().outbound().from(2).to(1).verbs(MessagingService.Verb.GOSSIP_DIGEST_ACK.ordinal()).messagesMatching((from, to, message) -> |
| { |
| if (signalled.compareAndSet(false, true)) |
| { |
| timeToShutdown.signalAll(); |
| await(waitForShutdown); |
| return false; |
| } |
| return true; |
| }).drop(); |
| |
| Thread.sleep(10000); // wait for gossip to exchange a few messages |
| f.get(); |
| } |
| finally |
| { |
| es.shutdown(); |
| } |
| } |
| |
| private static void await(SimpleCondition sc) |
| { |
| try |
| { |
| sc.await(); |
| } |
| catch (InterruptedException e) |
| { |
| throw new RuntimeException(e); |
| } |
| } |
| |
| private static class EPChanges implements IEndpointStateChangeSubscriber, Serializable |
| { |
| private volatile boolean wasDead = false; |
| public void onAlive(InetAddress endpoint, EndpointState state) |
| { |
| if (wasDead) |
| throw new RuntimeException("Node should not go live after it has been dead."); |
| } |
| public void onDead(InetAddress endpoint, EndpointState state) |
| { |
| wasDead = true; |
| } |
| }; |
| } |