/* 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.zookeeper.test;
import java.io.ByteArrayInputStream;
import java.io.File;
import java.io.IOException;
import java.net.InetSocketAddress;
import java.util.HashMap;
import java.util.LinkedHashSet;
import java.util.Properties;
import java.util.Set;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.apache.zookeeper.PortAssignment;
import org.apache.zookeeper.TestableZooKeeper;
import org.apache.zookeeper.jmx.CommonNames;
import org.apache.zookeeper.server.quorum.QuorumPeer;
import org.apache.zookeeper.server.quorum.QuorumPeer.QuorumServer;
import org.apache.zookeeper.server.quorum.flexible.QuorumHierarchical;
import org.junit.Assert;
import org.junit.Test;
public class HierarchicalQuorumTest extends ClientBase {
private static final Logger LOG = LoggerFactory.getLogger(QuorumBase.class);
File s1dir, s2dir, s3dir, s4dir, s5dir;
QuorumPeer s1, s2, s3, s4, s5;
protected int port1;
protected int port2;
protected int port3;
protected int port4;
protected int port5;
protected int leport1;
protected int leport2;
protected int leport3;
protected int leport4;
protected int leport5;
protected int clientport1;
protected int clientport2;
protected int clientport3;
protected int clientport4;
protected int clientport5;
Properties qp;
protected final ClientHammerTest cht = new ClientHammerTest();
@Override
public void setUp() throws Exception {
setupTestEnv();
JMXEnv.setUp();
setUpAll();
port1 = PortAssignment.unique();
port2 = PortAssignment.unique();
port3 = PortAssignment.unique();
port4 = PortAssignment.unique();
port5 = PortAssignment.unique();
leport1 = PortAssignment.unique();
leport2 = PortAssignment.unique();
leport3 = PortAssignment.unique();
leport4 = PortAssignment.unique();
leport5 = PortAssignment.unique();
clientport1 = PortAssignment.unique();
clientport2 = PortAssignment.unique();
clientport3 = PortAssignment.unique();
clientport4 = PortAssignment.unique();
clientport5 = PortAssignment.unique();
hostPort = "127.0.0.1:" + clientport1
+ ",127.0.0.1:" + clientport2
+ ",127.0.0.1:" + clientport3
+ ",127.0.0.1:" + clientport4
+ ",127.0.0.1:" + clientport5;
LOG.info("Ports are: " + hostPort);
s1dir = ClientBase.createTmpDir();
s2dir = ClientBase.createTmpDir();
s3dir = ClientBase.createTmpDir();
s4dir = ClientBase.createTmpDir();
s5dir = ClientBase.createTmpDir();
String config = "group.1=1:2:3\n" +
"group.2=4:5\n" +
"weight.1=1\n" +
"weight.2=1\n" +
"weight.3=1\n" +
"weight.4=0\n" +
"weight.5=0\n" +
"server.1=127.0.0.1:" + (port1 + 1000) + ":" + (leport1 + 1000) + ";" + clientport1 + "\n" +
"server.2=127.0.0.1:" + (port2 + 1000) + ":" + (leport2 + 1000) + ";" + clientport2 + "\n" +
"server.3=127.0.0.1:" + (port3 + 1000) + ":" + (leport3 + 1000) + ";" + clientport3 + "\n" +
"server.4=127.0.0.1:" + (port4 + 1000) + ":" + (leport4 + 1000) + ";" + clientport4 + "\n" +
"server.5=127.0.0.1:" + (port5 + 1000) + ":" + (leport5 + 1000) + ";" + clientport5 + "\n";
ByteArrayInputStream is = new ByteArrayInputStream(config.getBytes());
this.qp = new Properties();
qp.load(is);
startServers();
cht.hostPort = hostPort;
cht.setUpAll();
LOG.info("Setup finished");
}
/**
* This method is here to keep backwards compatibility with the test code
* written before observers.
* @throws Exception
*/
void startServers() throws Exception {
startServers(false);
}
/**
* Starts 5 Learners. When withObservers == false, all 5 are Followers.
* When withObservers == true, 3 are Followers and 2 Observers.
* @param withObservers
* @throws Exception
*/
void startServers(boolean withObservers) throws Exception {
int tickTime = 2000;
int initLimit = 3;
int syncLimit = 3;
HashMap<Long,QuorumServer> peers = new HashMap<Long,QuorumServer>();
peers.put(Long.valueOf(1), new QuorumServer(1,
new InetSocketAddress("127.0.0.1", port1 + 1000),
new InetSocketAddress("127.0.0.1", leport1 + 1000),
new InetSocketAddress("127.0.0.1", clientport1)));
peers.put(Long.valueOf(2), new QuorumServer(2,
new InetSocketAddress("127.0.0.1", port2 + 1000),
new InetSocketAddress("127.0.0.1", leport2 + 1000),
new InetSocketAddress("127.0.0.1", clientport2)));
peers.put(Long.valueOf(3), new QuorumServer(3,
new InetSocketAddress("127.0.0.1", port3 + 1000),
new InetSocketAddress("127.0.0.1", leport3 + 1000),
new InetSocketAddress("127.0.0.1", clientport3)));
peers.put(Long.valueOf(4), new QuorumServer(4,
new InetSocketAddress("127.0.0.1", port4 + 1000),
new InetSocketAddress("127.0.0.1", leport4),
new InetSocketAddress("127.0.0.1", clientport4),
withObservers ? QuorumPeer.LearnerType.OBSERVER
: QuorumPeer.LearnerType.PARTICIPANT));
peers.put(Long.valueOf(5), new QuorumServer(5,
new InetSocketAddress("127.0.0.1", port5 + 1000),
new InetSocketAddress("127.0.0.1", leport5 + 1000),
new InetSocketAddress("127.0.0.1", clientport5),
withObservers ? QuorumPeer.LearnerType.OBSERVER
: QuorumPeer.LearnerType.PARTICIPANT));
LOG.info("creating QuorumPeer 1 port " + clientport1);
if (withObservers) {
qp.setProperty("server.4", "127.0.0.1:" + (port4 + 1000) + ":" + (leport4 + 1000) + ":observer" + ";" + clientport4);
qp.setProperty("server.5", "127.0.0.1:" + (port5 + 1000) + ":" + (leport5 + 1000) + ":observer" + ";" + clientport5);
}
QuorumHierarchical hq1 = new QuorumHierarchical(qp);
s1 = new QuorumPeer(peers, s1dir, s1dir, clientport1, 3, 1, tickTime, initLimit, syncLimit, hq1);
Assert.assertEquals(clientport1, s1.getClientPort());
LOG.info("creating QuorumPeer 2 port " + clientport2);
QuorumHierarchical hq2 = new QuorumHierarchical(qp);
s2 = new QuorumPeer(peers, s2dir, s2dir, clientport2, 3, 2, tickTime, initLimit, syncLimit, hq2);
Assert.assertEquals(clientport2, s2.getClientPort());
LOG.info("creating QuorumPeer 3 port " + clientport3);
QuorumHierarchical hq3 = new QuorumHierarchical(qp);
s3 = new QuorumPeer(peers, s3dir, s3dir, clientport3, 3, 3, tickTime, initLimit, syncLimit, hq3);
Assert.assertEquals(clientport3, s3.getClientPort());
LOG.info("creating QuorumPeer 4 port " + clientport4);
QuorumHierarchical hq4 = new QuorumHierarchical(qp);
s4 = new QuorumPeer(peers, s4dir, s4dir, clientport4, 3, 4, tickTime, initLimit, syncLimit, hq4);
if (withObservers) {
s4.setLearnerType(QuorumPeer.LearnerType.OBSERVER);
}
Assert.assertEquals(clientport4, s4.getClientPort());
LOG.info("creating QuorumPeer 5 port " + clientport5);
QuorumHierarchical hq5 = new QuorumHierarchical(qp);
s5 = new QuorumPeer(peers, s5dir, s5dir, clientport5, 3, 5, tickTime, initLimit, syncLimit, hq5);
if (withObservers) {
s5.setLearnerType(QuorumPeer.LearnerType.OBSERVER);
}
Assert.assertEquals(clientport5, s5.getClientPort());
// Observers are currently only compatible with LeaderElection
if (withObservers) {
s1.setElectionType(0);
s2.setElectionType(0);
s3.setElectionType(0);
s4.setElectionType(0);
s5.setElectionType(0);
}
LOG.info("start QuorumPeer 1");
s1.start();
LOG.info("start QuorumPeer 2");
s2.start();
LOG.info("start QuorumPeer 3");
s3.start();
LOG.info("start QuorumPeer 4" + (withObservers ? "(observer)" : ""));
s4.start();
LOG.info("start QuorumPeer 5" + (withObservers ? "(observer)" : ""));
s5.start();
LOG.info("started QuorumPeer 5");
LOG.info ("Closing ports " + hostPort);
for (String hp : hostPort.split(",")) {
Assert.assertTrue("waiting for server up",
ClientBase.waitForServerUp(hp,
CONNECTION_TIMEOUT));
LOG.info(hp + " is accepting client connections");
}
// interesting to see what's there...
JMXEnv.dump();
// make sure we have these 5 servers listed
Set<String> ensureNames = new LinkedHashSet<String>();
for (int i = 1; i <= 5; i++) {
ensureNames.add("InMemoryDataTree");
}
for (int i = 1; i <= 5; i++) {
ensureNames.add("name0=ReplicatedServer_id" + i
+ ",name1=replica." + i + ",name2=");
}
for (int i = 1; i <= 5; i++) {
for (int j = 1; j <= 5; j++) {
ensureNames.add("name0=ReplicatedServer_id" + i
+ ",name1=replica." + j);
}
}
for (int i = 1; i <= 5; i++) {
ensureNames.add("name0=ReplicatedServer_id" + i);
}
JMXEnv.ensureAll(ensureNames.toArray(new String[ensureNames.size()]));
for (int i = 1; i <= 5; i++) {
String bean = CommonNames.DOMAIN + ":name0=ReplicatedServer_id" + i
+ ",name1=replica." + i;
JMXEnv.ensureBeanAttribute(bean, "ConfigVersion");
JMXEnv.ensureBeanAttribute(bean, "LearnerType");
JMXEnv.ensureBeanAttribute(bean, "ClientAddress");
JMXEnv.ensureBeanAttribute(bean, "ElectionAddress");
JMXEnv.ensureBeanAttribute(bean, "QuorumSystemInfo");
}
}
@Override
public void tearDown() throws Exception {
LOG.info("TearDown started");
cht.tearDownAll();
LOG.info("Shutting down server 1");
shutdown(s1);
LOG.info("Shutting down server 2");
shutdown(s2);
LOG.info("Shutting down server 3");
shutdown(s3);
LOG.info("Shutting down server 4");
shutdown(s4);
LOG.info("Shutting down server 5");
shutdown(s5);
for (String hp : hostPort.split(",")) {
Assert.assertTrue("waiting for server down",
ClientBase.waitForServerDown(hp,
ClientBase.CONNECTION_TIMEOUT));
LOG.info(hp + " is no longer accepting client connections");
}
JMXEnv.tearDown();
}
protected void shutdown(QuorumPeer qp) {
QuorumBase.shutdown(qp);
}
protected TestableZooKeeper createClient()
throws IOException, InterruptedException
{
return createClient(hostPort);
}
protected TestableZooKeeper createClient(String hp)
throws IOException, InterruptedException
{
CountdownWatcher watcher = new CountdownWatcher();
return createClient(watcher, hp);
}
@Test
public void testHierarchicalQuorum() throws Throwable {
cht.runHammer(5, 10);
}
}