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* Licensed to the Apache Software Foundation (ASF) under one
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* 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.jackrabbit.oak.plugins.segment.standby;
import org.apache.jackrabbit.oak.plugins.segment.standby.client.StandbyClient;
import org.apache.jackrabbit.oak.plugins.segment.standby.jmx.StandbyStatusMBean;
import org.apache.jackrabbit.oak.plugins.segment.standby.server.StandbyServer;
import org.junit.After;
import org.junit.Before;
import org.junit.Ignore;
import org.junit.Test;
import javax.management.MBeanServer;
import javax.management.ObjectName;
import java.lang.management.ManagementFactory;
import java.util.Set;
import static junit.framework.Assert.*;
public class MBeanTest extends TestBase {
@Before
public void setUp() throws Exception {
setUpServerAndClient();
}
@After
public void after() {
closeServerAndClient();
}
@Test
public void testServerEmptyConfig() throws Exception {
final StandbyServer server = new StandbyServer(this.port, this.storeS);
server.start();
final MBeanServer jmxServer = ManagementFactory.getPlatformMBeanServer();
ObjectName status = new ObjectName(StandbyStatusMBean.JMX_NAME + ",id=*");
try {
Set<ObjectName> instances = jmxServer.queryNames(status, null);
assertEquals(1, instances.size());
status = instances.toArray(new ObjectName[0])[0];
assertEquals(new ObjectName(server.getMBeanName()), status);
assertTrue(jmxServer.isRegistered(status));
assertEquals("master", jmxServer.getAttribute(status, "Mode"));
String m = jmxServer.getAttribute(status, "Status").toString();
if (!m.equals(StandbyStatusMBean.STATUS_STARTING) && !m.equals("channel unregistered"))
fail("unexpected Status" + m);
assertEquals(StandbyStatusMBean.STATUS_STARTING, jmxServer.getAttribute(status, "Status"));
assertEquals(true, jmxServer.getAttribute(status, "Running"));
jmxServer.invoke(status, "stop", null, null);
assertEquals(false, jmxServer.getAttribute(status, "Running"));
assertEquals(StandbyStatusMBean.STATUS_STOPPED, jmxServer.getAttribute(status, "Status"));
jmxServer.invoke(status, "start", null, null);
assertEquals(true, jmxServer.getAttribute(status, "Running"));
assertEquals(StandbyStatusMBean.STATUS_STARTING, jmxServer.getAttribute(status, "Status"));
} finally {
server.close();
}
assertTrue(!jmxServer.isRegistered(status));
}
@Test
public void testClientEmptyConfigNoServer() throws Exception {
final StandbyClient client = new StandbyClient("127.0.0.1", this.port, this.storeC);
client.start();
final MBeanServer jmxServer = ManagementFactory.getPlatformMBeanServer();
ObjectName status = new ObjectName(StandbyStatusMBean.JMX_NAME + ",id=*");
try {
Set<ObjectName> instances = jmxServer.queryNames(status, null);
assertEquals(1, instances.size());
status = instances.toArray(new ObjectName[0])[0];
assertEquals(new ObjectName(client.getMBeanName()), status);
assertTrue(jmxServer.isRegistered(status));
String m = jmxServer.getAttribute(status, "Mode").toString();
if (!m.startsWith("client: ")) fail("unexpected mode " + m);
assertEquals("1", jmxServer.getAttribute(status, "FailedRequests").toString());
assertEquals("-1", jmxServer.getAttribute(status, "SecondsSinceLastSuccess").toString());
assertEquals(StandbyStatusMBean.STATUS_STOPPED, jmxServer.getAttribute(status, "Status"));
assertEquals(false, jmxServer.getAttribute(status, "Running"));
jmxServer.invoke(status, "stop", null, null);
assertEquals(false, jmxServer.getAttribute(status, "Running"));
assertEquals(StandbyStatusMBean.STATUS_STOPPED, jmxServer.getAttribute(status, "Status"));
jmxServer.invoke(status, "start", null, null);
assertEquals(false, jmxServer.getAttribute(status, "Running"));
assertEquals(StandbyStatusMBean.STATUS_STOPPED, jmxServer.getAttribute(status, "Status"));
} finally {
client.close();
}
assertTrue(!jmxServer.isRegistered(status));
}
@Test
public void testClientNoServer() throws Exception {
System.setProperty(StandbyClient.CLIENT_ID_PROPERTY_NAME, "Foo");
final StandbyClient client = new StandbyClient("127.0.0.1", this.port, this.storeC);
client.start();
final MBeanServer jmxServer = ManagementFactory.getPlatformMBeanServer();
ObjectName status = new ObjectName(client.getMBeanName());
try {
assertTrue(jmxServer.isRegistered(status));
assertEquals("client: Foo", jmxServer.getAttribute(status, "Mode"));
assertEquals("1", jmxServer.getAttribute(status, "FailedRequests").toString());
assertEquals("-1", jmxServer.getAttribute(status, "SecondsSinceLastSuccess").toString());
assertEquals("1", jmxServer.invoke(status, "calcFailedRequests", null, null).toString());
assertEquals("-1", jmxServer.invoke(status, "calcSecondsSinceLastSuccess", null, null).toString());
} finally {
client.close();
}
assertTrue(!jmxServer.isRegistered(status));
}
@Test
@Ignore("OAK-2086")
public void testClientAndServerEmptyConfig() throws Exception {
final StandbyServer server = new StandbyServer(this.port, this.storeS);
server.start();
System.setProperty(StandbyClient.CLIENT_ID_PROPERTY_NAME, "Bar");
final StandbyClient client = new StandbyClient("127.0.0.1", this.port, this.storeC);
client.start();
final MBeanServer jmxServer = ManagementFactory.getPlatformMBeanServer();
ObjectName status = new ObjectName(StandbyStatusMBean.JMX_NAME + ",id=*");
ObjectName clientStatus = new ObjectName(client.getMBeanName());
ObjectName serverStatus = new ObjectName(server.getMBeanName());
try {
Set<ObjectName> instances = jmxServer.queryNames(status, null);
assertEquals(3, instances.size());
ObjectName connectionStatus = null;
for (ObjectName s : instances) {
if (!s.equals(clientStatus) && !s.equals(serverStatus)) connectionStatus = s;
}
assertNotNull(connectionStatus);
assertTrue(jmxServer.isRegistered(clientStatus));
assertTrue(jmxServer.isRegistered(serverStatus));
assertTrue(jmxServer.isRegistered(connectionStatus));
String m = jmxServer.getAttribute(clientStatus, "Mode").toString();
if (!m.startsWith("client: ")) fail("unexpected mode " + m);
assertEquals("master", jmxServer.getAttribute(serverStatus, "Mode"));
assertEquals(true, jmxServer.getAttribute(serverStatus, "Running"));
assertEquals(true, jmxServer.getAttribute(clientStatus, "Running"));
assertEquals("0", jmxServer.getAttribute(clientStatus, "FailedRequests").toString());
assertEquals("0", jmxServer.getAttribute(clientStatus, "SecondsSinceLastSuccess").toString());
assertEquals("0", jmxServer.invoke(clientStatus, "calcFailedRequests", null, null).toString());
assertEquals("0", jmxServer.invoke(clientStatus, "calcSecondsSinceLastSuccess", null, null).toString());
Thread.sleep(1000);
assertEquals("0", jmxServer.getAttribute(clientStatus, "FailedRequests").toString());
assertEquals("1", jmxServer.getAttribute(clientStatus, "SecondsSinceLastSuccess").toString());
assertEquals("0", jmxServer.invoke(clientStatus, "calcFailedRequests", null, null).toString());
assertEquals("1", jmxServer.invoke(clientStatus, "calcSecondsSinceLastSuccess", null, null).toString());
assertEquals(new Long(2), jmxServer.getAttribute(connectionStatus, "TransferredSegments"));
assertEquals(new Long(128), jmxServer.getAttribute(connectionStatus, "TransferredSegmentBytes"));
// stop the master
jmxServer.invoke(serverStatus, "stop", null, null);
assertEquals(false, jmxServer.getAttribute(serverStatus, "Running"));
m = jmxServer.getAttribute(serverStatus, "Status").toString();
if (!m.equals(StandbyStatusMBean.STATUS_STOPPED) && !m.equals("channel unregistered"))
fail("unexpected Status" + m);
// restart the master
jmxServer.invoke(serverStatus, "start", null, null);
assertEquals(true, jmxServer.getAttribute(serverStatus, "Running"));
assertEquals(true, jmxServer.getAttribute(clientStatus, "Running"));
m = jmxServer.getAttribute(serverStatus, "Status").toString();
if (!m.equals(StandbyStatusMBean.STATUS_STARTING) && !m.equals("channel unregistered"))
fail("unexpected Status" + m);
// stop the slave
jmxServer.invoke(clientStatus, "stop", null, null);
assertEquals(true, jmxServer.getAttribute(serverStatus, "Running"));
assertEquals(false, jmxServer.getAttribute(clientStatus, "Running"));
assertEquals(StandbyStatusMBean.STATUS_STOPPED, jmxServer.getAttribute(clientStatus, "Status"));
// restart the slave
jmxServer.invoke(clientStatus, "start", null, null);
assertEquals(true, jmxServer.getAttribute(clientStatus, "Running"));
assertEquals(StandbyStatusMBean.STATUS_RUNNING, jmxServer.getAttribute(clientStatus, "Status"));
} finally {
client.close();
server.close();
}
assertTrue(!jmxServer.isRegistered(clientStatus));
assertTrue(!jmxServer.isRegistered(serverStatus));
}
}