/*
* Jopr Management Platform
* Copyright (C) 2005-2010 Red Hat, Inc.
* All rights reserved.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License, version 2, as
* published by the Free Software Foundation, and/or the GNU Lesser
* General Public License, version 2.1, also as published by the Free
* Software Foundation.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License and the GNU Lesser General Public License
* for more details.
*
* You should have received a copy of the GNU General Public License
* and the GNU Lesser General Public License along with this program;
* if not, write to the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*/
package org.rhq.plugins.jbossas5;
import java.io.File;
import java.io.IOException;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.jetbrains.annotations.Nullable;
import org.rhq.core.domain.configuration.Configuration;
import org.rhq.core.domain.configuration.PropertySimple;
import org.rhq.core.pluginapi.inventory.DiscoveredResourceDetails;
import org.rhq.core.pluginapi.inventory.InvalidPluginConfigurationException;
import org.rhq.core.pluginapi.inventory.ResourceDiscoveryContext;
import org.rhq.plugins.jbossas5.connection.LocalProfileServiceConnectionProvider;
import org.rhq.plugins.jbossas5.connection.ProfileServiceConnection;
import org.rhq.plugins.jbossas5.connection.ProfileServiceConnectionProvider;
import org.rhq.plugins.jbossas5.helper.JBossInstallationInfo;
import org.rhq.plugins.jbossas5.helper.JBossProductType;
import org.rhq.plugins.jbossas5.util.ManagedComponentUtils;
import org.jboss.deployers.spi.management.ManagementView;
import org.jboss.managed.api.ComponentType;
import org.jboss.managed.api.ManagedComponent;
/**
* A helper class for discovering an in-process JBoss app server.
*/
public class InProcessJBossASDiscovery {
private final Log log = LogFactory.getLog(this.getClass());
private static final String JAVA_HOME_ENV_VAR = "JAVA_HOME";
/**
* Attempts to discover an in-process JBoss AS or EAP instance. If successful, returns the Resource details,
* otherwise, returns null.
*
* @param discoveryContext the Resource discovery context
*
* @return if successful, the Resource details, otherwise, null
*/
@Nullable
public DiscoveredResourceDetails discoverInProcessJBossAS(ResourceDiscoveryContext discoveryContext) {
ProfileServiceConnectionProvider connectionProvider = new LocalProfileServiceConnectionProvider();
ProfileServiceConnection connection;
try {
connection = connectionProvider.connect();
} catch (Exception e) {
// This most likely just means we're not embedded inside a JBoss 5.x or 6.x app server instance.
log.debug("Unable to connect to in-process ProfileService.", e);
return null;
}
ManagementView managementView = connection.getManagementView();
ManagedComponent serverConfigComponent = ManagedComponentUtils.getSingletonManagedComponent(managementView,
new ComponentType("MCBean", "ServerConfig"));
String serverName = (String) ManagedComponentUtils.getSimplePropertyValue(serverConfigComponent, "serverName");
// serverHomeDir is the full path to the instance's configuration dir, e.g. "/opt/jboss-5.1.0.GA/server/default";
// That's guaranteed to be unique among JBAS instances on the same machine, so we'll use it as the Resource key.
String serverHomeDir = (String) ManagedComponentUtils.getSimplePropertyValue(serverConfigComponent,
"serverHomeDir");
String resourceKey = serverHomeDir;
// homeDir is the full path to the JBoss installation dir used by this instance, e.g. "/opt/jboss-5.1.0.GA".
String homeDir = (String) ManagedComponentUtils.getSimplePropertyValue(serverConfigComponent, "homeDir");
// Figure out if the instance is AS or EAP, and reflect that in the Resource name.
JBossInstallationInfo installInfo;
try {
installInfo = new JBossInstallationInfo(new File(homeDir));
} catch (IOException e) {
throw new InvalidPluginConfigurationException(e);
}
JBossProductType productType = installInfo.getProductType();
String resourceName = productType.NAME;
resourceName += " " + installInfo.getMajorVersion();
resourceName += " (" + serverName + ")";
String description = productType.DESCRIPTION;
String version = (String) ManagedComponentUtils.getSimplePropertyValue(serverConfigComponent,
"specificationVersion");
// TODO (ips): Perhaps we should use the java.home sysprop instead of the JAVA_HOME env var, since it may be
// slightly more reliable.
String javaHome = System.getenv(JAVA_HOME_ENV_VAR);
Configuration pluginConfig = discoveryContext.getDefaultPluginConfiguration();
pluginConfig.put(new PropertySimple(ApplicationServerPluginConfigurationProperties.HOME_DIR, homeDir));
pluginConfig.put(new PropertySimple(ApplicationServerPluginConfigurationProperties.SERVER_HOME_DIR,
serverHomeDir));
pluginConfig.put(new PropertySimple(ApplicationServerPluginConfigurationProperties.SERVER_NAME, serverName));
pluginConfig.put(new PropertySimple(ApplicationServerPluginConfigurationProperties.JAVA_HOME, javaHome));
return new DiscoveredResourceDetails(discoveryContext.getResourceType(), resourceKey, resourceName, version,
description, pluginConfig, null);
}
}