/*
Copyright (c) 2012 LinkedIn Corp.
Licensed 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 com.linkedin.d2.discovery;
import com.linkedin.d2.D2BaseTest;
import com.linkedin.d2.balancer.clients.DynamicClient;
import com.linkedin.d2.balancer.util.LoadBalancerClientCli;
import com.linkedin.d2.balancer.util.LoadBalancerEchoServer;
import com.linkedin.d2.balancer.util.LoadBalancerUtil;
import com.linkedin.d2.discovery.stores.PropertyStoreException;
import com.linkedin.d2.quorum.ZKQuorum;
import java.io.IOException;
import java.net.URISyntaxException;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import java.util.concurrent.ExecutionException;
import java.util.concurrent.TimeoutException;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.testng.annotations.AfterMethod;
import org.testng.annotations.AfterTest;
import org.testng.annotations.Test;
import static org.testng.Assert.assertEquals;
@Test (groups = {"d2integration"})
public class TestPartitionsWithZKQuorum extends D2BaseTest
{
private static final Logger _log = LoggerFactory.getLogger(TestPartitionsWithZKQuorum.class);
private List<LoadBalancerEchoServer> _echoServers;
private String[] _zkHosts;
private ZKQuorum _quorum;
private LoadBalancerClientCli _cli;
private DynamicClient _client;
private String _zkUriString;
private void setup() throws IOException, Exception
{
// Start _quorum
_quorum = new ZKQuorum(QUORUM_SIZE);
_quorum.startAll();
_zkUriString = "zk://"+_quorum.getHosts();
_zkHosts = _quorum.getHosts().split(",");
_quorum.assertAllPeersUp();
}
@AfterMethod
public void teardownMethod() throws Exception
{
teardown();
}
@AfterTest
public void teardownTest() throws Exception
{
teardown();
}
@Test
public void testRegisterUnregisterDefaultPartitionEchoServers() throws IOException,
URISyntaxException,
PropertyStoreException,
ExecutionException,
TimeoutException,
InterruptedException,
Exception
{
_echoServers = new ArrayList<LoadBalancerEchoServer>();
setup();
assertEquals(LoadBalancerClientCli.runDiscovery(_quorum.getHosts(), "/d2", D2_CONFIG_DEFAULT_PARTITION_DATA), 0);
_cli = new LoadBalancerClientCli(_quorum.getHosts(), "/d2");
_client = _cli.createZKFSTogglingLBClient(_quorum.getHosts(), "/d2", null);
// Echo servers startup
startDefaultPartitionEchoServers();
assertAllEchoServersRunning(_echoServers);
assertAllEchoServersRegistered(_cli.getZKClient(), _zkUriString, _echoServers);
assertQuorumProcessAllRequests(D2_CONFIG_DEFAULT_PARTITION_DATA);
// Markdown echo servers
stopAllEchoServers(_echoServers);
assertAllEchoServersUnregistered(_cli.getZKClient(), _zkUriString, _echoServers);
}
@Test
public void testRegisterUnregisterCustomPartitionEchoServers() throws IOException,
URISyntaxException,
PropertyStoreException,
ExecutionException,
TimeoutException,
InterruptedException,
Exception
{
_echoServers = new ArrayList<LoadBalancerEchoServer>();
setup();
assertEquals(LoadBalancerClientCli.runDiscovery(_quorum.getHosts(), "/d2", D2_CONFIG_CUSTOM_PARTITION_DATA), 0);
_cli = new LoadBalancerClientCli(_quorum.getHosts(), "/d2");
_client = _cli.createZKFSTogglingLBClient(_quorum.getHosts(), "/d2", null);
// Echo servers startup
Map<Integer, Double> partitionWeight = new HashMap<Integer, Double>();
partitionWeight.put(new Integer(1), new Double(1.0d));
startCustomPartitionEchoServers(partitionWeight);
assertAllEchoServersRegistered(_cli.getZKClient(), _zkUriString, _echoServers);
assertQuorumProcessAllRequests(D2_CONFIG_CUSTOM_PARTITION_DATA);
// Markdown echo servers
stopAllEchoServers(_echoServers);
assertAllEchoServersUnregistered(_cli.getZKClient(), _zkUriString, _echoServers);
}
@Test
public void testRegisterUnregisterAllEchoServers() throws IOException,
URISyntaxException,
PropertyStoreException,
ExecutionException,
TimeoutException,
InterruptedException,
Exception
{
_echoServers = new ArrayList<LoadBalancerEchoServer>();
setup();
assertEquals(LoadBalancerClientCli.runDiscovery(_quorum.getHosts(), "/d2", D2_CONFIG_DATA), 0);
_cli = new LoadBalancerClientCli(_quorum.getHosts(), "/d2");
_client = _cli.createZKFSTogglingLBClient(_quorum.getHosts(), "/d2", null);
// Echo servers startup
Map<Integer, Double> partitionWeight = new HashMap<Integer, Double>();
partitionWeight.put(new Integer(1), new Double(1.0d));
startAllEchoServers(partitionWeight);
assertAllEchoServersRegistered(_cli.getZKClient(), _zkUriString, _echoServers);
assertQuorumProcessAllRequests(D2_CONFIG_DATA);
// Markdown echo servers
stopAllEchoServers(_echoServers);
assertAllEchoServersUnregistered(_cli.getZKClient(), _zkUriString, _echoServers);
}
private void assertQuorumProcessAllRequests(String clustersData) throws Exception
{
assertQuorumProcessAllRequests(1, clustersData, _zkUriString, _cli, _client, null);
}
private void startDefaultPartitionEchoServers() throws Exception
{
_echoServers.add(startEchoServer(getHost(_zkHosts[0]), getPort(_zkHosts[0]), ECHO_SERVER_HOST, ECHO_SERVER_PORT1_1, "cluster-1", "service-1_1", "service-1_2", "service-1_3" ));
_echoServers.add(startEchoServer(getHost(_zkHosts[0]), getPort(_zkHosts[0]), ECHO_SERVER_HOST, ECHO_SERVER_PORT1_2, "cluster-1", "service-1_1", "service-1_2", "service-1_3" ));
_echoServers.add(startEchoServer(getHost(_zkHosts[0]), getPort(_zkHosts[0]), ECHO_SERVER_HOST, ECHO_SERVER_PORT2_1, "cluster-2", "service-2_1", "service-2_2", "service-2_3" ));
_echoServers.add(startEchoServer(getHost(_zkHosts[0]), getPort(_zkHosts[0]), ECHO_SERVER_HOST, ECHO_SERVER_PORT2_2, "cluster-2", "service-2_1", "service-2_2", "service-2_3" ));
_echoServers.add(startEchoServer(getHost(_zkHosts[0]), getPort(_zkHosts[0]), ECHO_SERVER_HOST, ECHO_SERVER_PORT3, "cluster-3", "service-3_1", "service-3_2", "service-3_3" ));
}
private void startCustomPartitionEchoServers(Map<Integer, Double> partitionWeight) throws Exception
{
_echoServers.add(startEchoServer(getHost(_zkHosts[0]), getPort(_zkHosts[0]), ECHO_SERVER_HOST, ECHO_SERVER_PORT4, "cluster-4", partitionWeight, "service-4_11", "service-4_12", "service-4_13" ));
_echoServers.add(startEchoServer(getHost(_zkHosts[0]), getPort(_zkHosts[0]), ECHO_SERVER_HOST, ECHO_SERVER_PORT5, "cluster-4", partitionWeight, "service-4_11", "service-4_12", "service-4_13" ));
}
private void startAllEchoServers(Map<Integer, Double> partitionWeight) throws Exception
{
startDefaultPartitionEchoServers();
startCustomPartitionEchoServers(partitionWeight);
}
private void teardown() throws Exception
{
try
{
_quorum.shutdownAll(true);
}
catch (Exception e)
{
}
try
{
LoadBalancerUtil.syncShutdownClient(_client, _log);
}
catch (Exception e)
{
e.printStackTrace();
}
try
{
_cli.shutdown();
}
catch (Exception e)
{
e.printStackTrace();
}
try
{
stopAllEchoServers(_echoServers);
}
catch (Exception e)
{
e.printStackTrace();
}
}
}