org.apache.zookeeper.test.system.BaseSysTest Maven / Gradle / Ivy
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* 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.system;
import java.io.File;
import java.io.IOException;
import java.lang.reflect.InvocationTargetException;
import java.net.InetAddress;
import java.net.InetSocketAddress;
import java.net.UnknownHostException;
import java.util.HashMap;
import java.util.Map;
import org.apache.zookeeper.WatchedEvent;
import org.apache.zookeeper.Watcher;
import org.apache.zookeeper.ZooKeeper;
import org.apache.zookeeper.server.quorum.QuorumPeer;
import org.apache.zookeeper.server.quorum.QuorumPeer.QuorumServer;
import org.junit.After;
import org.junit.Before;
import org.junit.Ignore;
import org.junit.runner.JUnitCore;
@Ignore("No tests in this class.")
public class BaseSysTest {
private static final File testData = new File(
System.getProperty("test.data.dir", "src/test/resources/data"));
private static int fakeBasePort = 33222;
private static String zkHostPort;
protected String prefix = "/sysTest";
ZooKeeper zk;
static {
try {
zkHostPort = System.getProperty("sysTest.zkHostPort", InetAddress.getLocalHost().getCanonicalHostName() + ":2181");
} catch (UnknownHostException e) {
e.printStackTrace();
}
}
InstanceManager im;
@Before
public void setUp() throws Exception {
if (!fakeMachines) {
zk = new ZooKeeper(zkHostPort, 15000, new Watcher() {public void process(WatchedEvent e){}});
im = new InstanceManager(zk, prefix);
}
}
@After
public void tearDown() throws Exception {
if (null != im) {
im.close();
}
}
int serverCount = defaultServerCount;
int clientCount = defaultClientCount;
static int defaultServerCount = 5;
static int defaultClientCount = 7;
static {
defaultServerCount = Integer.parseInt(System.getProperty("simpleSysTest.defaultServerCount", Integer.toString(defaultServerCount)));
defaultClientCount = Integer.parseInt(System.getProperty("simpleSysTest.defaultClientCount", Integer.toString(defaultClientCount)));
}
String serverHostPort;
String quorumHostPort;
public String getHostPort() {
return serverHostPort;
}
public int getServerCount() {
return serverCount;
}
public int getClientCount() {
return clientCount;
}
public void startServers() throws IOException {
for(int i = 0; i < serverCount; i++) {
startServer(i);
}
}
public void stopServers() throws IOException {
for(int i = 0; i < serverCount; i++) {
stopServer(i);
}
}
public void startClients() throws IOException {
for(int i = 0; i < clientCount; i++) {
startClient(i);
}
}
public void stopClients() throws IOException {
for(int i = 0; i < clientCount; i++) {
stopClient(i);
}
}
private static boolean fakeMachines = System.getProperty("baseSysTest.fakeMachines", "no").equals("yes");
public void configureServers(int count) throws Exception {
serverCount = count;
if (fakeMachines) {
fakeConfigureServers(count);
} else {
distributedConfigureServers(count);
}
}
private void distributedConfigureServers(int count) throws IOException {
StringBuilder sbClient = new StringBuilder();
StringBuilder sbServer = new StringBuilder();
try {
for(int i = 0; i < count; i++) {
String r[] = QuorumPeerInstance.createServer(im, i);
if (i > 0) {
sbClient.append(',');
sbServer.append(',');
}
sbClient.append(r[0]); // r[0] == "host:clientPort"
sbServer.append(r[1]); // r[1] == "host:leaderPort:leaderElectionPort"
sbServer.append(";"+(r[0].split(":"))[1]); // Appending ";clientPort"
}
serverHostPort = sbClient.toString();
quorumHostPort = sbServer.toString();
} catch(Exception e) {
IOException ioe = new IOException(e.getMessage());
ioe.setStackTrace(e.getStackTrace());
throw ioe;
}
}
private QuorumPeer qps[];
private File qpsDirs[];
Map peers;
private void fakeConfigureServers(int count) throws IOException {
peers = new HashMap();
qps = new QuorumPeer[count];
qpsDirs = new File[count];
for(int i = 1; i <= count; i++) {
InetSocketAddress peerAddress = new InetSocketAddress("127.0.0.1",
fakeBasePort + i);
InetSocketAddress electionAddr = new InetSocketAddress("127.0.0.1",
serverCount + fakeBasePort + i);
peers.put(Long.valueOf(i), new QuorumServer(i, peerAddress,
electionAddr));
}
StringBuilder sb = new StringBuilder();
for(int i = 0; i < count; i++) {
//make that testData exists otherwise it fails on windows
testData.mkdirs();
qpsDirs[i] = File.createTempFile("sysTest", ".tmp", testData);
qpsDirs[i].delete();
qpsDirs[i].mkdir();
int port = fakeBasePort+10+i;
if (sb.length() > 0) {
sb.append(',');
}
sb.append("localhost:");
sb.append(port);
}
serverHostPort = sb.toString();
}
final static int tickTime = 2000;
final static int initLimit = 3;
final static int syncLimit = 3;
final static int connectToLearnerMasterLimit = 3;
public void startServer(int index) throws IOException {
int port = fakeBasePort+10+index;
if (fakeMachines) {
qps[index] = new QuorumPeer(peers, qpsDirs[index], qpsDirs[index], port, 3, index+1, tickTime, initLimit, syncLimit, connectToLearnerMasterLimit);
qps[index].start();
} else {
try {
QuorumPeerInstance.startInstance(im, quorumHostPort, index);
} catch(Exception e) {
IOException ioe = new IOException(e.getClass().getName() + ": " + e.getMessage());
ioe.setStackTrace(e.getStackTrace());
throw ioe;
}
}
}
public void stopServer(int index) throws IOException {
if (fakeMachines) {
qps[index].shutdown();
} else {
try {
QuorumPeerInstance.stopInstance(im, index);
} catch(Exception e) {
IOException ioe = new IOException(e.getMessage());
ioe.setStackTrace(e.getStackTrace());
throw ioe;
}
}
}
public void configureClients(int count, Class clazz, String params) throws Exception {
clientCount = count;
if (fakeMachines) {
fakeConfigureClients(count, clazz, params);
} else {
distributedConfigureClients(count, clazz, params);
}
}
private Class clazz;
String params;
private void distributedConfigureClients(int count, Class clazz, String params) throws IOException {
this.clazz = clazz;
this.params = params;
}
private Instance fakeBaseClients[];
private void fakeConfigureClients(int count, Class clazz, String params) {
fakeBaseClients = new Instance[count];
for(int i = 0; i < count; i++) {
try {
fakeBaseClients[i] = clazz.getConstructor().newInstance();
} catch (InstantiationException
| IllegalAccessException
| NoSuchMethodException
| InvocationTargetException e) {
e.printStackTrace();
return;
}
fakeBaseClients[i].configure(i + " " + params);
}
}
public void startClient(int index) throws IOException {
if (fakeMachines) {
fakeStartClient(index);
} else {
distributedStartClient(index);
}
}
private void distributedStartClient(int index) throws IOException {
try {
im.assignInstance("client" + index, clazz, index + " " + params, 1);
} catch (Exception e) {
throw new IOException(e.getMessage());
}
}
private void fakeStartClient(int index) {
fakeBaseClients[index].start();
}
public void stopClient(int index) throws IOException {
if (fakeMachines) {
fakeStopClient(index);
} else {
distributedStopClient(index);
}
}
private void distributedStopClient(int index) throws IOException {
try {
im.removeInstance("client"+index);
} catch (Exception e) {
throw new IOException(e.getMessage());
}
}
private void fakeStopClient(int index) {
fakeBaseClients[index].stop();
}
static public void main(String args[]) {
JUnitCore.main(args);
}
}
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