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// Copyright (C) 2015 The Android Open Source Project
//
// 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 com.googlesource.gerrit.plugins.metricsreporters;
import static com.codahale.metrics.MetricRegistry.name;
import com.google.common.base.MoreObjects;
import com.google.gerrit.extensions.annotations.Listen;
import com.google.gerrit.extensions.annotations.PluginName;
import com.google.gerrit.extensions.events.LifecycleListener;
import com.google.gerrit.server.config.PluginConfigFactory;
import com.google.inject.Inject;
import com.google.inject.Singleton;
import com.codahale.metrics.MetricFilter;
import com.codahale.metrics.MetricRegistry;
import com.codahale.metrics.graphite.Graphite;
import com.codahale.metrics.graphite.GraphiteReporter;
import org.eclipse.jgit.lib.Config;
import java.net.InetAddress;
import java.net.InetSocketAddress;
import java.net.UnknownHostException;
import java.util.concurrent.TimeUnit;
@Listen
@Singleton
public class GerritGraphiteReporter implements LifecycleListener {
private final GraphiteReporter graphiteReporter;
@Inject
public GerritGraphiteReporter(
PluginConfigFactory configFactory,
@PluginName String pluginName,
MetricRegistry registry) {
Config config = configFactory.getGlobalPluginConfig(pluginName);
String host = MoreObjects
.firstNonNull(config.getString("graphite", null, "host"), "localhost");
try {
Graphite graphite = new Graphite(
new InetSocketAddress(host, config.getInt("graphite", "port", 2003)));
graphiteReporter = GraphiteReporter.forRegistry(registry)
.convertRatesTo(TimeUnit.MINUTES)
.convertDurationsTo(TimeUnit.MILLISECONDS)
.prefixedWith(MoreObjects.firstNonNull(
config.getString("graphite", null, "prefix"),
name("gerrit", InetAddress.getLocalHost().getHostName())))
.filter(MetricFilter.ALL).build(graphite);
} catch (UnknownHostException e) {
throw new RuntimeException(e);
}
}
@Override
public void start() {
graphiteReporter.start(1, TimeUnit.MINUTES);
}
@Override
public void stop() {
graphiteReporter.stop();
}
}