/*************************************************************************
* Copyright 2009-2014 Eucalyptus Systems, Inc.
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; version 3 of the License.
*
* 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 for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see http://www.gnu.org/licenses/.
*
* Please contact Eucalyptus Systems, Inc., 6755 Hollister Ave., Goleta
* CA 93117, USA or visit http://www.eucalyptus.com/licenses/ if you need
* additional information or have any questions.
************************************************************************/
package com.eucalyptus.stats.sensors;
import com.eucalyptus.stats.StatsOutputValues;
import com.google.common.collect.Maps;
import org.apache.log4j.Logger;
import org.logicalcobwebs.proxool.ProxoolFacade;
import java.util.Map;
import java.util.concurrent.Callable;
/**
* Check for db pools
*/
public enum DbPoolSensor implements Callable<Map<String, Object>> {
INSTANCE {
public Map<String, Object> call() {
Map<String, Object> results = Maps.newTreeMap();
try {
long max = 0;
long active = 0;
for (String alias : ProxoolFacade.getAliases()) {
max = ProxoolFacade.getConnectionPoolDefinition(alias).getMaximumConnectionCount();
active = ProxoolFacade.getSnapshot(alias, true).getActiveConnectionCount();
results.put(alias + ".MaxConnectionCount", max);
results.put(alias + ".ActiveConnectionCount", active);
results.put(alias + ".CapacityCheck", active < max ? StatsOutputValues.CHECK_OK : StatsOutputValues.CHECK_FAILED);
}
} catch (Throwable f) {
LOG.warn("Error getting proxool db connection information. Continuing.", f);
}
return results;
}
};
private static final Logger LOG = Logger.getLogger(DbPoolSensor.class);
}