/**
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you 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
* <p>
* http://www.apache.org/licenses/LICENSE-2.0
* <p>
* 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 org.apache.hadoop.gateway.services.metrics.impl.reporters;
import com.codahale.metrics.MetricFilter;
import com.codahale.metrics.MetricRegistry;
import com.codahale.metrics.graphite.Graphite;
import com.codahale.metrics.graphite.GraphiteReporter;
import org.apache.hadoop.gateway.config.GatewayConfig;
import org.apache.hadoop.gateway.services.metrics.MetricsContext;
import org.apache.hadoop.gateway.services.metrics.MetricsReporterException;
import org.apache.hadoop.gateway.services.metrics.impl.DefaultMetricsService;
import java.net.InetSocketAddress;
import java.util.concurrent.TimeUnit;
public class GraphiteMetricsReporter extends AbstractMetricsReporter {
public static String NAME = "graphite-reporter";
private Graphite graphite;
private GraphiteReporter reporter;
private int reportingFrequency = 1;
@Override
public void init(GatewayConfig config) throws MetricsReporterException {
if (config.isMetricsEnabled() && config.isGraphiteMetricsReportingEnabled()) {
graphite = new Graphite(new InetSocketAddress(config.getGraphiteHost(), config.getGraphitePort()));
reportingFrequency = config.getGraphiteReportingFrequency();
setEnabled(true);
}
}
@Override
public void start(MetricsContext metricsContext) throws MetricsReporterException {
MetricRegistry registry = (MetricRegistry) metricsContext.getProperty(DefaultMetricsService.METRICS_REGISTRY);
reporter = GraphiteReporter.forRegistry(registry)
.convertRatesTo(TimeUnit.SECONDS)
.convertDurationsTo(TimeUnit.MILLISECONDS)
.filter(MetricFilter.ALL)
.build(graphite);
reporter.start(reportingFrequency, TimeUnit.MINUTES);
}
@Override
public void stop() throws MetricsReporterException {
reporter.stop();
}
@Override
public String getName() {
return NAME;
}
}