/**
* Copyright (C) 2012-2014 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 ninja.metrics.graphite;
import java.net.InetSocketAddress;
import java.util.concurrent.TimeUnit;
import ninja.lifecycle.Dispose;
import ninja.lifecycle.Start;
import ninja.metrics.MetricsService;
import ninja.utils.NinjaProperties;
import ninja.utils.TimeUtil;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import com.codahale.metrics.MetricFilter;
import com.codahale.metrics.graphite.Graphite;
import com.codahale.metrics.graphite.GraphiteReporter;
import com.codahale.metrics.graphite.GraphiteSender;
import com.codahale.metrics.graphite.PickledGraphite;
import com.google.inject.Inject;
import com.google.inject.Singleton;
/**
* Integration of Ninja Metrics with Graphite.
*
* @author James Moger
*/
@Singleton
public class NinjaGraphite {
private final Logger log = LoggerFactory.getLogger(NinjaGraphite.class);
private final NinjaProperties ninjaProperties;
private final MetricsService metricsService;
private GraphiteReporter reporter;
@Inject
public NinjaGraphite(NinjaProperties ninjaProperties,
MetricsService metricsService) {
this.ninjaProperties = ninjaProperties;
this.metricsService = metricsService;
}
@Start(order = 90)
public void start() {
if (ninjaProperties.getBooleanWithDefault("metrics.graphite.enabled",
false)) {
final String hostname = metricsService.getHostname();
final String address = ninjaProperties
.getOrDie("metrics.graphite.address");
final int port = ninjaProperties.getIntegerWithDefault(
"metrics.graphite.port", 2003);
final boolean isPickled = ninjaProperties.getBooleanWithDefault(
"metrics.graphite.pickled", false);
final String period = ninjaProperties.getWithDefault(
"metrics.graphite.period", "60s");
final int delay = TimeUtil.parseDuration(period);
final InetSocketAddress graphiteAddress = new InetSocketAddress(
address, port);
final GraphiteSender sender;
if (isPickled) {
sender = new PickledGraphite(graphiteAddress);
} else {
sender = new Graphite(graphiteAddress);
}
reporter = GraphiteReporter
.forRegistry(metricsService.getMetricRegistry())
.prefixedWith(hostname).convertRatesTo(TimeUnit.SECONDS)
.convertDurationsTo(TimeUnit.MILLISECONDS)
.filter(MetricFilter.ALL).build(sender);
reporter.start(delay, TimeUnit.SECONDS);
log.info(
"Started Graphite Metrics reporter for '{}', updating every {}",
hostname, period);
}
}
@Dispose(order = 10)
public void stop() {
if (reporter != null) {
reporter.stop();
log.debug("Stopped Graphite Metrics reporter");
}
}
}