/*
* RHQ Management Platform
* Copyright (C) 2005-2008 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.jmx;
import java.util.Arrays;
import java.util.logging.LoggingMXBean;
import org.mc4j.ems.connection.bean.attribute.EmsAttribute;
import org.rhq.core.domain.configuration.Configuration;
import org.rhq.core.domain.configuration.ConfigurationUpdateStatus;
import org.rhq.core.domain.configuration.Property;
import org.rhq.core.domain.configuration.PropertyList;
import org.rhq.core.domain.configuration.PropertyMap;
import org.rhq.core.domain.configuration.PropertySimple;
import org.rhq.core.pluginapi.configuration.ConfigurationUpdateReport;
import org.rhq.core.pluginapi.inventory.PluginContainerDeployment;
/**
* @author Greg Hinkle
*/
public class JavaUtilLoggingResourceComponent extends MBeanResourceComponent {
@Override
public Configuration loadResourceConfiguration() {
if (getResourceContext().getPluginContainerDeployment() == PluginContainerDeployment.AGENT) {
PropertySimple configManagementEnabled = getResourceContext().getPluginConfiguration().getSimple(
"configManagementEnabled");
if (configManagementEnabled == null || !configManagementEnabled.getBooleanValue()) {
log.info("Configuration management is currently disabled for the "
+ getResourceContext().getResourceType() + " Resource with key ["
+ getResourceContext().getResourceKey()
+ "] - it can be enabled in the Resource's Inventory > Connection tab.");
return null;
}
}
EmsAttribute namesAttribute = getEmsBean().getAttribute("LoggerNames");
String[] names = (String[]) namesAttribute.refresh();
//There should only be 50 elements (checked against jmx-console, but it is returning 51 the first element is blank
//so I put code in the for loop to not add if the name is blank
Arrays.sort(names);
LoggingMXBean logging = getEmsBean().getProxy(LoggingMXBean.class);
Configuration configuration = new Configuration();
PropertyList list = new PropertyList("AppenderList");
for (String name : names) {
if ((name != null) && !name.equals("")) {
PropertyMap map = new PropertyMap("Appender");
String level = getLoggerLevel(logging, name);
map.put(new PropertySimple("name", name));
map.put(new PropertySimple("level", level));
list.add(map);
}
}
configuration.put(list);
return configuration;
}
public String getLoggerLevel(LoggingMXBean logging, String name) {
String level = logging.getLoggerLevel(name);
if (level != null) {
String parentLoggerName = logging.getParentLoggerName(name);
// A level of "" means the level is not explicitly specified, i.e. inherited from the logger's parent.
// In this case, we want to recurse, unless the logger's parent is "", which means this is already the
// root logger (recursing in this ununsual case would cause infinite recursion).
if (level.equals("") && parentLoggerName != null && !parentLoggerName.equals("")) {
level = getLoggerLevel(logging, parentLoggerName); // recurse
}
} else {
level = "Pseudo"; // only needed for the compare in updateResourceConfiguration() below
}
return level;
}
/**
* Note, this only supports editing existing appenders; adding or removing appenders is not supported, since the
* underlying JVM mBean (LoggingMXBean) does not support it.
*
* @param report the report which will contain the results of the requested update
*/
@Override
public void updateResourceConfiguration(ConfigurationUpdateReport report) {
PropertyList list = report.getConfiguration().getList("AppenderList");
LoggingMXBean logging = getEmsBean().getProxy(LoggingMXBean.class);
for (Property property : list.getList()) {
PropertyMap map = (PropertyMap) property;
String name = map.getSimple("name").getStringValue();
String level = map.getSimple("level").getStringValue();
if ((level != null) && !level.equals(getLoggerLevel(logging, name))) {
try {
logging.setLoggerLevel(name, level);
} catch (IllegalArgumentException iae) {
report.setErrorMessage("Error setting logger level: " + iae.getMessage());
}
}
}
report.setStatus(ConfigurationUpdateStatus.SUCCESS);
}
}