ro.pippo.ganglia.Reporter Maven / Gradle / Ivy
/*
* Copyright (C) 2014 the original author or authors.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package ro.pippo.ganglia;
import info.ganglia.gmetric4j.gmetric.GMetric;
import info.ganglia.gmetric4j.gmetric.GMetric.UDPAddressingMode;
import java.io.IOException;
import java.util.concurrent.TimeUnit;
import org.kohsuke.MetaInfServices;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import ro.pippo.core.PippoSettings;
import ro.pippo.metrics.MetricsReporter;
import com.codahale.metrics.MetricRegistry;
import com.codahale.metrics.ganglia.GangliaReporter;
/**
* Integration of Pippo Metrics with Ganglia.
*
* @author James Moger
*
*/
@MetaInfServices
public class Reporter implements MetricsReporter {
private final Logger log = LoggerFactory.getLogger(Reporter.class);
private GangliaReporter reporter;
@Override
public void start(PippoSettings settings, MetricRegistry metricRegistry) {
if (settings.getBoolean("metrics.ganglia.enabled", false)) {
final String hostname = settings.getLocalHostname();
final String address = settings.getRequiredString("metrics.ganglia.address");
final int port = settings.getInteger("metrics.ganglia.port", 8649);
final long period = settings.getDurationInSeconds("metrics.ganglia.period", 60);
try {
GMetric ganglia = new GMetric(address, port, UDPAddressingMode.MULTICAST, 1);
reporter = GangliaReporter.forRegistry(metricRegistry).convertRatesTo(TimeUnit.SECONDS)
.convertDurationsTo(TimeUnit.MILLISECONDS).build(ganglia);
reporter.start(period, TimeUnit.SECONDS);
log.info("Started Ganglia Metrics reporter for '{}', updating every {} seconds", hostname, period);
} catch (IOException e) {
log.error("Failed to start Ganglia reporter!", e);
}
} else {
log.debug("Ganglia Metrics reporter is disabled");
}
}
@Override
public void close() throws IOException {
if (reporter != null) {
reporter.stop();
log.debug("Stopped Ganglia Metrics reporter");
}
}
}