Initial Commit for Graphite Metrics Reporter
Change-Id: If3fd168c0490dd530250309d3874e78fd2640ea4
diff --git a/BUCK b/BUCK
new file mode 100644
index 0000000..69582d6
--- /dev/null
+++ b/BUCK
@@ -0,0 +1,12 @@
+gerrit_plugin(
+ name = 'metrics-reporter-graphite',
+ srcs = glob(['src/main/java/**/*.java']),
+ resources = glob(['src/main/resources/**/*']),
+ deps = [
+ '//lib/dropwizard:dropwizard-core',
+ '//lib/dropwizard:metrics-graphite'
+ ],
+ manifest_entries = [
+ 'Gerrit-PluginName: metrics-reporter-graphite',
+ ],
+)
diff --git a/src/main/java/com/googlesource/gerrit/plugins/metricsreporters/GerritGraphiteReporter.java b/src/main/java/com/googlesource/gerrit/plugins/metricsreporters/GerritGraphiteReporter.java
new file mode 100644
index 0000000..ae3fa89
--- /dev/null
+++ b/src/main/java/com/googlesource/gerrit/plugins/metricsreporters/GerritGraphiteReporter.java
@@ -0,0 +1,74 @@
+// Copyright (C) 2012 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();
+ }
+}
