| /** |
| * 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.storm.metrics2.reporters; |
| |
| import com.codahale.metrics.JmxReporter; |
| import com.codahale.metrics.MetricRegistry; |
| import java.util.Map; |
| import java.util.concurrent.TimeUnit; |
| import org.apache.storm.daemon.metrics.ClientMetricsUtils; |
| import org.apache.storm.metrics2.filters.StormMetricsFilter; |
| import org.apache.storm.utils.ObjectReader; |
| import org.slf4j.Logger; |
| import org.slf4j.LoggerFactory; |
| |
| public class JmxStormReporter implements StormReporter { |
| public static final String JMX_DOMAIN = "jmx.domain"; |
| private static final Logger LOG = LoggerFactory.getLogger(JmxStormReporter.class); |
| JmxReporter reporter = null; |
| |
| public static String getMetricsJmxDomain(Map reporterConf) { |
| return ObjectReader.getString(reporterConf.get(JMX_DOMAIN), null); |
| } |
| |
| @Override |
| public void prepare(MetricRegistry metricsRegistry, Map<String, Object> stormConf, Map<String, Object> reporterConf) { |
| LOG.info("Preparing..."); |
| JmxReporter.Builder builder = JmxReporter.forRegistry(metricsRegistry); |
| |
| TimeUnit durationUnit = ClientMetricsUtils.getMetricsDurationUnit(reporterConf); |
| if (durationUnit != null) { |
| builder.convertDurationsTo(durationUnit); |
| } |
| |
| TimeUnit rateUnit = ClientMetricsUtils.getMetricsRateUnit(reporterConf); |
| if (rateUnit != null) { |
| builder.convertRatesTo(rateUnit); |
| } |
| |
| String domain = getMetricsJmxDomain(reporterConf); |
| if (domain != null) { |
| builder.inDomain(domain); |
| } |
| |
| StormMetricsFilter filter = ScheduledStormReporter.getMetricsFilter(reporterConf); |
| if (filter != null) { |
| builder.filter(filter); |
| } |
| // other builder functions not exposed: |
| // * createsObjectNamesWith(ObjectNameFactory onFactory) |
| // * registerWith (MBeanServer) |
| // * specificDurationUnits (Map<String,TimeUnit> specificDurationUnits) |
| // * specificRateUnits(Map<String,TimeUnit> specificRateUnits) |
| |
| reporter = builder.build(); |
| } |
| |
| @Override |
| public void start() { |
| if (reporter != null) { |
| LOG.debug("Starting..."); |
| reporter.start(); |
| } else { |
| throw new IllegalStateException("Attempt to start without preparing " + getClass().getSimpleName()); |
| } |
| } |
| |
| @Override |
| public void stop() { |
| if (reporter != null) { |
| LOG.debug("Stopping..."); |
| reporter.stop(); |
| } else { |
| throw new IllegalStateException("Attempt to stop without preparing " + getClass().getSimpleName()); |
| } |
| } |
| } |