/**
* 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.whirr.service.cassandra.integration;
import static org.hamcrest.Matchers.instanceOf;
import static org.junit.Assert.assertThat;
import static org.junit.Assert.assertTrue;
import java.io.IOException;
import java.util.HashSet;
import java.util.List;
import java.util.Map;
import java.util.Set;
import org.apache.cassandra.thrift.Cassandra;
import org.apache.cassandra.thrift.TokenRange;
import org.apache.commons.configuration.CompositeConfiguration;
import org.apache.commons.configuration.ConfigurationException;
import org.apache.commons.configuration.PropertiesConfiguration;
import org.apache.thrift.TException;
import org.apache.thrift.protocol.TBinaryProtocol;
import org.apache.thrift.transport.TSocket;
import org.apache.whirr.service.Cluster;
import org.apache.whirr.service.ClusterSpec;
import org.apache.whirr.service.Service;
import org.apache.whirr.service.ServiceFactory;
import org.apache.whirr.service.Cluster.Instance;
import org.apache.whirr.service.cassandra.CassandraService;
import org.apache.whirr.ssh.KeyPair;
import org.junit.After;
import org.junit.Before;
import org.junit.Test;
import com.jcraft.jsch.JSchException;
public class CassandraServiceTest {
private static final String KEYSPACE = "Keyspace1";
private ClusterSpec clusterSpec;
private CassandraService service;
private Cluster cluster;
@Before
public void setUp() throws ConfigurationException, IOException,
JSchException {
CompositeConfiguration config = new CompositeConfiguration();
if (System.getProperty("config") != null) {
config.addConfiguration(new PropertiesConfiguration(System.getProperty("config")));
}
config.addConfiguration(new PropertiesConfiguration("whirr-cassandra-test.properties"));
clusterSpec = new ClusterSpec(config);
if (clusterSpec.getPrivateKey() == null) {
Map<String, String> pair = KeyPair.generate();
clusterSpec.setPublicKey(pair.get("public"));
clusterSpec.setPrivateKey(pair.get("private"));
}
Service s = new ServiceFactory().create(clusterSpec.getServiceName());
assertThat(s, instanceOf(CassandraService.class));
service = (CassandraService) s;
cluster = service.launchCluster(clusterSpec);
// give it a sec to boot up the cluster
waitForCassandra();
}
private void waitForCassandra() {
for (Instance instance : cluster.getInstances()) {
while (true) {
try {
TSocket socket = new TSocket(instance.getPublicAddress()
.getHostAddress(), CassandraService.CLIENT_PORT);
socket.open();
TBinaryProtocol protocol = new TBinaryProtocol(socket);
Cassandra.Client client = new Cassandra.Client(protocol);
client.describe_cluster_name();
socket.close();
break;
} catch (TException e) {
System.out.print(".");
try {
Thread.sleep(1000);
} catch (InterruptedException e1) {
break;
}
}
}
}
}
@Test
public void testInstances() throws Exception {
Set<String> endPoints = new HashSet<String>();
for (Instance instance : cluster.getInstances()) {
TSocket socket = new TSocket(instance.getPublicAddress().getHostAddress(),
CassandraService.CLIENT_PORT);
socket.open();
TBinaryProtocol protocol = new TBinaryProtocol(socket);
Cassandra.Client client = new Cassandra.Client(protocol);
List<TokenRange> tr = client.describe_ring(KEYSPACE);
for (TokenRange tokenRange : tr) {
endPoints.addAll(tokenRange.endpoints);
}
socket.close();
}
for (Instance instance : cluster.getInstances()) {
String address = instance.getPrivateAddress().getHostAddress();
assertTrue(address + " not in cluster!", endPoints.remove(address));
}
assertTrue("Unknown node returned: " + endPoints.toString(), endPoints.isEmpty());
}
@After
public void tearDown() throws IOException {
if (service != null) {
service.destroyCluster(clusterSpec);
}
}
}