OGAgent.java revision 1462
98N/A/*
98N/A * CDDL HEADER START
98N/A *
98N/A * The contents of this file are subject to the terms of the
98N/A * Common Development and Distribution License (the "License").
98N/A * You may not use this file except in compliance with the License.
98N/A *
98N/A * See LICENSE.txt included in this distribution for the specific
98N/A * language governing permissions and limitations under the License.
98N/A *
98N/A * When distributing Covered Code, include this CDDL HEADER in each
98N/A * file and include the License file at LICENSE.txt.
98N/A * If applicable, add the following below this CDDL HEADER, with the
98N/A * fields enclosed by brackets "[]" replaced with your own identifying
98N/A * information: Portions Copyright [yyyy] [name of copyright owner]
98N/A *
98N/A * CDDL HEADER END
98N/A */
98N/A
98N/A/*
98N/A * Copyright (c) 2008, 2010, Oracle and/or its affiliates. All rights reserved.
98N/A */
98N/A
98N/Apackage org.opensolaris.opengrok.management;
98N/A
98N/Aimport java.io.File;
98N/Aimport java.io.FileInputStream;
98N/Aimport java.io.IOException;
98N/Aimport java.io.InputStream;
98N/Aimport java.net.MalformedURLException;
98N/Aimport java.net.URI;
98N/Aimport java.net.URISyntaxException;
131N/Aimport java.rmi.registry.LocateRegistry;
98N/Aimport java.util.ArrayList;
98N/Aimport java.util.Date;
98N/Aimport java.util.HashMap;
98N/Aimport java.util.Properties;
98N/Aimport java.util.logging.Level;
98N/Aimport java.util.logging.Logger;
98N/Aimport javax.management.JMException;
98N/Aimport javax.management.MBeanServer;
98N/Aimport javax.management.MBeanServerFactory;
98N/Aimport javax.management.NotificationFilter;
98N/Aimport javax.management.ObjectName;
98N/Aimport javax.management.remote.JMXConnectorServer;
98N/Aimport javax.management.remote.JMXConnectorServerFactory;
98N/Aimport javax.management.remote.JMXServiceURL;
98N/Aimport javax.management.timer.Timer;
98N/Aimport org.opensolaris.opengrok.Info;
98N/Aimport org.opensolaris.opengrok.OpenGrokLogger;
98N/A
98N/Aimport org.opensolaris.opengrok.configuration.Configuration;
98N/A// PMD thinks this import is unused (confused because it's static?)
98N/Aimport org.opensolaris.opengrok.util.IOUtils;
98N/Aimport static org.opensolaris.opengrok.management.Constants.*; // NOPMD
98N/A
98N/A/**
101N/A * OG Agent main class.
117N/A * Class for starting the basic components:
98N/A * Monitor and JMX and HTTP Connectors.
98N/A * @author Jan S Berg
122N/A */
127N/Afinal public class OGAgent {
131N/A Properties props;
98N/A
98N/A private static final Logger log = Logger.getLogger(OGAgent.class.getName());
98N/A private MBeanServer server = null;
98N/A
98N/A
98N/A @SuppressWarnings({ "PMD.SystemPrintln", "resource" })
98N/A private static boolean loadProperties(File file, InputStream in, Properties props) {
98N/A boolean ret = false;
98N/A InputStream stream = in;
98N/A try {
98N/A if (file != null) {
98N/A stream = new FileInputStream(file);
98N/A }
98N/A props.load(stream);
98N/A ret = true;
98N/A } catch (IOException e) {
98N/A log.warning("Failed to read configuration: " + e.getMessage());
98N/A log.log(Level.FINE, "loadProperties", e);
98N/A ret = false;
98N/A } finally {
98N/A IOUtils.close(stream);
98N/A }
98N/A return ret;
98N/A }
98N/A
98N/A /**
98N/A * Startup method. Uses {@code /etc/opengrok/opengrok.properties} as
98N/A * defaults if available.
98N/A * @param args .. --agent=... --config=...
98N/A */
98N/A @SuppressWarnings("PMD.SystemPrintln")
98N/A public static void main(final String args[]) {
98N/A
98N/A Properties props = new Properties();
98N/A // Load default values
98N/A boolean success = loadProperties(null,
98N/A OGAgent.class.getResourceAsStream("oga.properties"), props);
98N/A
98N/A File file = new File("/etc/opengrok/opengrok.properties");
98N/A if (file.exists()) {
98N/A success = loadProperties(file, null, props);
98N/A }
98N/A
98N/A // System properties should override default properties
98N/A props.putAll(System.getProperties());
98N/A
98N/A // @todo Add support for longopts!!
98N/A for (int i = 0; success && i < args.length; i++) {
98N/A if (args[i].startsWith("--agent=")) {
98N/A props.setProperty("agent", args[i].substring("--agent=".length()));
98N/A } else if (args[i].startsWith("--config=")) {
98N/A file = new File(args[i].substring("--config=".length()));
98N/A if (file.exists()) {
98N/A success = loadProperties(file, null, props);
98N/A } else {
98N/A success = false;
98N/A log.severe("Cannot load file '" + file.getAbsolutePath()
98N/A + "': No such file");
98N/A }
98N/A }
98N/A }
98N/A
98N/A URI uri = null;
98N/A if (success) {
98N/A try {
98N/A uri = new URI(props.getProperty("agent"));
98N/A } catch (URISyntaxException ex) {
98N/A success = false;
98N/A log.severe("Failed to decode agent url: " + ex.getMessage());
98N/A log.log(Level.FINE, "main", ex);
98N/A }
98N/A }
98N/A
98N/A if (uri != null) {
98N/A setIfNotSet(props, LOG_PATH, uri.getPath() + "/log");
98N/A
98N/A setIfNotSet(props, CONFIG_FILE,
98N/A uri.getPath() + "/etc/configuration.xml");
98N/A
98N/A setIfNotSet(props, JMX_HOST, uri.getHost());
98N/A
98N/A setIfNotSet(props, JMX_PORT, String.valueOf(uri.getPort()));
98N/A
98N/A setIfNotSet(props, RMI_PORT, String.valueOf(uri.getPort() + 1));
98N/A
98N/A setIfNotSet(props, JMX_URL,
98N/A "service:jmx:rmi://" + props.getProperty(JMX_HOST) + ":" +
98N/A props.getProperty(JMX_PORT) + "/jndi/rmi://" +
98N/A props.getProperty(JMX_HOST) + ":" +
98N/A props.getProperty(RMI_PORT) + "/opengrok");
98N/A
98N/A success = createLogger(props);
98N/A }
98N/A
98N/A if (success) {
98N/A
98N/A OGAgent oga = new OGAgent(props);
98N/A try {
98N/A oga.runOGA();
98N/A } catch (MalformedURLException e) {
98N/A log.severe("Could not create connector server: " + e.getMessage());
98N/A log.log(Level.FINE, "main", e);
98N/A System.exit(1);
98N/A } catch (IOException e) {
98N/A log.severe("Could not start connector server: " + e.getMessage());
98N/A log.log(Level.FINE, "main", e);
98N/A System.exit(2);
98N/A } catch (Exception ex) {
106N/A log.severe(ex.getMessage());
98N/A log.log(Level.FINE, "main", ex);
98N/A System.exit(1);
98N/A }
98N/A } else {
98N/A System.exit(1);
98N/A }
98N/A }
98N/A
98N/A private OGAgent(Properties props) {
98N/A this.props = props;
98N/A }
98N/A
98N/A /**
98N/A * Set a property if it is not already set to some value.
98N/A */
98N/A private static void setIfNotSet(Properties props, String key, String val) {
98N/A if (!props.keySet().contains(key)) {
98N/A props.setProperty(key, val);
98N/A }
98N/A }
98N/A
98N/A @SuppressWarnings("boxing")
98N/A private void runOGA() throws MalformedURLException, IOException, JMException {
98N/A String javaver = System.getProperty("java.version");
98N/A
98N/A
98N/A log.info("Starting " + Info.getFullVersion() +
98N/A " JMX Agent, with java version " + javaver);
98N/A //create mbeanserver
98N/A
98N/A ArrayList<MBeanServer> mbservs = MBeanServerFactory.findMBeanServer(null);
98N/A log.fine("Finding MBeanservers, size " + mbservs.size());
98N/A if (mbservs.isEmpty()) {
98N/A server = MBeanServerFactory.createMBeanServer();
98N/A } else {
98N/A server = mbservs.get(0);
98N/A }
98N/A
98N/A //instantiate and register OGAManagement
98N/A ObjectName manager = new ObjectName("OGA:name=Management");
98N/A server.registerMBean(Management.getInstance(props), manager);
98N/A
98N/A //instantiate and register OGA:JMXConfiguration
98N/A ObjectName config = new ObjectName("OGA:name=JMXConfiguration");
98N/A JMXConfiguration jc = new JMXConfiguration();
98N/A server.registerMBean(jc, config);
98N/A
98N/A //instantiate and register Timer service and resource purger
98N/A createIndexTimer(props);
98N/A log.info("MBeans registered");
98N/A
98N/A // Create and start connector server
98N/A String urlString = props.getProperty(JMX_URL);
111N/A HashMap<String, Object> env = new HashMap<String, Object>();
111N/A JMXServiceURL url = new JMXServiceURL(urlString);
111N/A
111N/A // If the protocol is RMI we need to have an RMI registry running.
111N/A // Start an embedded registry if so requested.
111N/A if (url.getProtocol().equals(RMI_PROTOCOL) &&
98N/A Boolean.parseBoolean(props.getProperty(RMI_START))) {
98N/A int rmiport = Integer.parseInt(props.getProperty(RMI_PORT));
98N/A log.log(Level.FINE, "Starting RMI registry on port {0}", rmiport);
98N/A LocateRegistry.createRegistry(rmiport);
98N/A }
98N/A
98N/A log.log(Level.FINE, "Starting JMX connector on {0}", urlString);
98N/A JMXConnectorServer connectorServer =
98N/A JMXConnectorServerFactory.newJMXConnectorServer(url, env, server);
connectorServer.start();
log.info("OGA is ready and running...");
}
private void createIndexTimer(Properties properties) throws JMException {
//instantiate, register and start the Timer service
ObjectName timer = new ObjectName("service:name=timer");
server.registerMBean(new Timer(), timer);
server.invoke(timer, "start", null, null);
log.info("Started timer service");
boolean enabled = Boolean.parseBoolean(properties
.getProperty(Configuration.PROPERTY_KEY_PREFIX + "management.indexer.enabled"));
int period = Integer.parseInt(properties
.getProperty(Configuration.PROPERTY_KEY_PREFIX + "management.indexer.sleeptime"));
log.fine("Indexer enabled: " + enabled);
log.fine("Indexer period: " + period + " seconds");
//instantiate and register resource purger
ObjectName indexRunner = new ObjectName("OGA:name=AgentIndexRunner," + "source=timer");
server.registerMBean(AgentIndexRunner.getInstance(enabled), indexRunner);
// Add index notification to timer (read from
// Configuration.PROPERTY_KEY_PREFIX + management.indexer.sleeptime property).
Date date = new Date(System.currentTimeMillis() + Timer.ONE_SECOND * 5);
Long longPeriod = Long.valueOf(period * Timer.ONE_SECOND);
Integer id = (Integer) server.invoke(timer, "addNotification",
new Object[]{"timer.notification", // Type
"Time to index again", // Message
null, // user data
date, // Start time
longPeriod, // Period
},
new String[]{String.class.getName(),
String.class.getName(),
Object.class.getName(),
Date.class.getName(),
"long",});
// Add indexer as listener to index notifications
NotificationFilter filter = new TimerFilter(id);
server.addNotificationListener(timer, indexRunner, filter, null);
}
@SuppressWarnings("PMD.SystemPrintln")
private static boolean createLogger(Properties props) {
boolean ret = true;
String OGAlogpath = props
.getProperty(Configuration.PROPERTY_KEY_PREFIX + "management.logging.path");
Level loglevel = null;
try {
loglevel = Level.parse(props
.getProperty(Configuration.PROPERTY_KEY_PREFIX + "management.logging.filelevel"));
} catch (Exception exll) {
loglevel = Level.FINE;
}
Level consoleloglevel = null;
try {
consoleloglevel = Level.parse(props
.getProperty(Configuration.PROPERTY_KEY_PREFIX + "management.logging.consolelevel"));
} catch (Exception excl) {
consoleloglevel = Level.INFO;
}
try {
OpenGrokLogger.setupLogger(OGAlogpath, loglevel, consoleloglevel);
} catch (IOException ex) {
log.warning("OGAgent failed set up logging: " + ex.getMessage());
ret = false;
}
return ret;
}
}