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Embedded-Web Distribution of the Payara Project
/*
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.
*
* Copyright (c) [2016-2021] Payara Foundation and/or its affiliates. All rights reserved.
*
* The contents of this file are subject to the terms of either the GNU
* General Public License Version 2 only ("GPL") or the Common Development
* and Distribution License("CDDL") (collectively, the "License"). You
* may not use this file except in compliance with the License. You can
* obtain a copy of the License at
* https://github.com/payara/Payara/blob/master/LICENSE.txt
* See the License for the specific
* language governing permissions and limitations under the License.
*
* When distributing the software, include this License Header Notice in each
* file and include the License file at glassfish/legal/LICENSE.txt.
*
* GPL Classpath Exception:
* The Payara Foundation designates this particular file as subject to the "Classpath"
* exception as provided by the Payara Foundation in the GPL Version 2 section of the License
* file that accompanied this code.
*
* Modifications:
* If applicable, add the following below the License Header, with the fields
* enclosed by brackets [] replaced by your own identifying information:
* "Portions Copyright [year] [name of copyright owner]"
*
* Contributor(s):
* If you wish your version of this file to be governed by only the CDDL or
* only the GPL Version 2, indicate your decision by adding "[Contributor]
* elects to include this software in this distribution under the [CDDL or GPL
* Version 2] license." If you don't indicate a single choice of license, a
* recipient has the option to distribute your version of this file under
* either the CDDL, the GPL Version 2 or to extend the choice of license to
* its licensees as provided above. However, if you add GPL Version 2 code
* and therefore, elected the GPL Version 2 license, then the option applies
* only if the new code is made subject to such option by the copyright
* holder.
*/
package fish.payara.jmx.monitoring;
import com.sun.enterprise.util.LocalStringManagerImpl;
import fish.payara.admin.amx.config.AMXConfiguration;
import fish.payara.internal.notification.PayaraNotification;
import fish.payara.internal.notification.PayaraNotificationFactory;
import fish.payara.jmx.monitoring.configuration.MonitoredAttribute;
import fish.payara.jmx.monitoring.configuration.MonitoringServiceConfiguration;
import fish.payara.nucleus.executorservice.PayaraExecutorService;
import java.beans.PropertyVetoException;
import java.util.LinkedHashSet;
import java.util.LinkedList;
import java.util.List;
import java.util.Set;
import java.util.concurrent.ScheduledFuture;
import java.util.concurrent.TimeUnit;
import java.util.concurrent.atomic.AtomicInteger;
import java.util.logging.Level;
import java.util.logging.Logger;
import jakarta.annotation.PostConstruct;
import jakarta.inject.Inject;
import jakarta.inject.Named;
import javax.management.MBeanServer;
import javax.management.MalformedObjectNameException;
import javax.management.ObjectName;
import org.glassfish.api.StartupRunLevel;
import org.glassfish.api.admin.ServerEnvironment;
import org.glassfish.api.event.EventListener;
import org.glassfish.api.event.EventTypes;
import org.glassfish.api.event.Events;
import org.glassfish.hk2.api.ServiceLocator;
import org.glassfish.hk2.api.messaging.Topic;
import org.glassfish.hk2.runlevel.RunLevel;
import org.jvnet.hk2.annotations.Optional;
import org.jvnet.hk2.annotations.Service;
import static java.lang.management.ManagementFactory.getPlatformMBeanServer;
/**
* Service which monitors a set of MBeans and their attributes while logging the
* data as a series of key-value pairs.
*
* @since 4.1.1.163
* @author savage
*/
@Service(name = "payara-monitoring")
@RunLevel(StartupRunLevel.VAL)
public class JMXMonitoringService implements EventListener {
private final static LocalStringManagerImpl strings = new LocalStringManagerImpl(JMXMonitoringService.class);
private final String PREFIX = "payara-monitoring-service(";
@Inject
@Named(ServerEnvironment.DEFAULT_INSTANCE_NAME)
@Optional
MonitoringServiceConfiguration configuration;
@Inject
ServiceLocator habitat;
@Inject
private Events events;
@Inject
private Topic notificationEventBus;
@Inject
private PayaraNotificationFactory notificationFactory;
@Inject
PayaraExecutorService executor;
private final AtomicInteger threadNumber = new AtomicInteger(1);
private JMXMonitoringFormatter formatter;
private boolean enabled;
private int amxBootDelay = 10;
private long monitoringDelay = amxBootDelay + 15;
private final Set enabledNotifiers = new LinkedHashSet<>();
private ScheduledFuture monitoringFuture;
@PostConstruct
public void postConstruct() {
events.register(this);
}
@Override
public void event(Event event) {
if (event.is(EventTypes.SERVER_SHUTDOWN)) {
shutdownMonitoringService();
} else if (event.is(EventTypes.SERVER_READY)) {
if (configuration != null && Boolean.valueOf(configuration.getEnabled())) {
enabled = Boolean.valueOf(configuration.getEnabled());
bootstrapMonitoringService();
}
}
}
/**
* Bootstraps the monitoring service.
* Schedules the AMXBoot class to execute if AMX
* is enabled. Schedules the JMXMonitoringFormatter to execute at a
* specified fixed rate if enabled in the configuration.
*/
public void bootstrapMonitoringService() {
if (configuration != null && configuration.getEnabled().equalsIgnoreCase("true")) {
shutdownMonitoringService();//To make sure that there aren't multiple monitoring services running
final MBeanServer server = getPlatformMBeanServer();
formatter = new JMXMonitoringFormatter(server, buildJobs(), this, notificationEventBus, notificationFactory, enabledNotifiers);
Logger.getLogger(JMXMonitoringService.class.getName()).log(Level.INFO, "JMX Monitoring Service will startup");
if (Boolean.valueOf(configuration.getAmx())) {
AMXConfiguration amxConfig = habitat.getService(AMXConfiguration.class);
try {
amxConfig.setEnabled(String.valueOf(configuration.getAmx()));
configuration.setAmx(null);
} catch (PropertyVetoException ex) {
Logger.getLogger(JMXMonitoringService.class.getName()).log(Level.SEVERE, null, ex);
}
}
monitoringFuture = executor.scheduleAtFixedRate(formatter, monitoringDelay * 1000,
TimeUnit.MILLISECONDS.convert(Long.valueOf(configuration.getLogFrequency()),
TimeUnit.valueOf(configuration.getLogFrequencyUnit())),
TimeUnit.MILLISECONDS);
bootstrapNotifierList();
}
}
/**
* Starts notifiers that are enabled with the monitoring service
*
* @since 4.1.2.174
*/
public void bootstrapNotifierList() {
enabledNotifiers.clear();
if (configuration.getNotifierList() != null) {
configuration.getNotifierList().forEach(enabledNotifiers::add);
}
}
/**
* Returns all notifiers configured with the monitoring service
*
* @since 4.1.2.174
* @return
*/
public Set getEnabledNotifiers() {
return enabledNotifiers;
}
/**
* Shuts the scheduler down.
*/
private void shutdownMonitoringService() {
if (monitoringFuture != null) {
Logger.getLogger(JMXMonitoringService.class.getName()).log(Level.INFO, "JMX Monitoring Service will shutdown");
monitoringFuture.cancel(false);
monitoringFuture = null;
}
}
/**
* Sets the service to be enabled/disabled.
*
* @param enabled If true will reboot the monitoring service
*/
public void setEnabled(Boolean enabled) {
amxBootDelay = 0;
monitoringDelay = amxBootDelay + 5;
if (enabled) {
this.enabled = enabled;
bootstrapMonitoringService();
} else if (this.enabled && !enabled) {
this.enabled = enabled;
shutdownMonitoringService();
}
}
/**
* Builds the monitoring jobs from the service configuration.
*
* @return List of built jobs.
*/
private List buildJobs() {
List jobs = new LinkedList<>();
for (MonitoredAttribute mbean : configuration.getMonitoredAttributes()) {
boolean exists = false;
for (JMXMonitoringJob job : jobs) {
if (job.getMBean().getCanonicalKeyPropertyListString()
.equals(mbean.getObjectName())) {
job.addAttribute(mbean.getAttributeName());
exists = true;
break;
}
}
if (!exists) {
ObjectName name;
List list;
try {
name = new ObjectName(mbean.getObjectName());
list = new LinkedList<>();
list.add(mbean.getAttributeName());
jobs.add(new JMXMonitoringJob(name, list));
} catch (MalformedObjectNameException ex) {
Logger.getLogger(JMXMonitoringService.class.getName()).log(Level.SEVERE, null, ex);
}
}
}
return jobs;
}
public LocalStringManagerImpl getLocalStringManager() {
return strings;
}
}