| /* |
| * 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 |
| * |
| * 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 org.apache.slider.server.appmaster.management; |
| |
| import com.codahale.metrics.JmxReporter; |
| import com.codahale.metrics.MetricRegistry; |
| import com.codahale.metrics.ScheduledReporter; |
| import com.codahale.metrics.Slf4jReporter; |
| import com.google.common.base.Preconditions; |
| import org.apache.hadoop.conf.Configuration; |
| import org.apache.hadoop.service.CompositeService; |
| import org.apache.slider.server.services.workflow.ClosingService; |
| import org.slf4j.Logger; |
| import org.slf4j.LoggerFactory; |
| |
| import java.util.concurrent.TimeUnit; |
| |
| /** |
| * YARN service which hooks up Codahale metrics to |
| * JMX, and, if enabled Ganglia and/or an SLF4J log. |
| */ |
| public class MetricsBindingService extends CompositeService |
| implements MetricsKeys { |
| protected static final Logger log = |
| LoggerFactory.getLogger(MetricsBindingService.class); |
| private final MetricRegistry metrics; |
| |
| private String reportingDetails = "not started"; |
| |
| |
| public MetricsBindingService(String name, |
| MetricRegistry metrics) { |
| super(name); |
| Preconditions.checkArgument(metrics != null, "Null metrics"); |
| this.metrics = metrics; |
| } |
| |
| /** |
| * Instantiate...create a metric registry in the process |
| * @param name service name |
| */ |
| public MetricsBindingService(String name) { |
| this(name, new MetricRegistry()); |
| } |
| |
| /** |
| * Accessor for the metrics instance |
| * @return the metrics |
| */ |
| public MetricRegistry getMetrics() { |
| return metrics; |
| } |
| |
| @Override |
| protected void serviceStart() throws Exception { |
| super.serviceStart(); |
| |
| StringBuilder summary = new StringBuilder(); |
| Configuration conf = getConfig(); |
| |
| summary.append("Reporting to JMX"); |
| // always start the JMX binding |
| JmxReporter jmxReporter; |
| jmxReporter = JmxReporter.forRegistry(metrics).build(); |
| jmxReporter.start(); |
| addService(new ClosingService<JmxReporter>(jmxReporter)); |
| |
| |
| // Ganglia |
| if (conf.getBoolean(METRICS_GANGLIA_ENABLED, false)) { |
| log.warn("Ganglia integration is not implemented"); |
| /* |
| // This is all disabled due to transitive dependencies on an LGPL library |
| com.codahale.metrics.ganglia.GangliaReporter gangliaReporter; |
| String host = conf.getTrimmed(METRICS_GANGLIA_HOST, ""); |
| int port = conf.getInt(METRICS_GANGLIA_PORT, DEFAULT_GANGLIA_PORT); |
| int interval = conf.getInt(METRICS_GANGLIA_REPORT_INTERVAL, 60); |
| int ttl = 1; |
| info.ganglia.gmetric4j.gmetric.GMetric.UDPAddressingMode |
| mcast = info.ganglia.gmetric4j.gmetric.GMetric.UDPAddressingMode.getModeForAddress(host); |
| boolean ganglia31 = conf.getBoolean(METRICS_GANGLIA_VERSION_31, true); |
| |
| final info.ganglia.gmetric4j.gmetric.GMetric ganglia = |
| new info.ganglia.gmetric4j.gmetric.GMetric( |
| host, |
| port, |
| mcast, |
| ttl, |
| ganglia31); |
| gangliaReporter = com.codahale.metrics.ganglia.GangliaReporter.forRegistry(metrics) |
| .convertRatesTo(TimeUnit.SECONDS) |
| .convertDurationsTo( |
| TimeUnit.MILLISECONDS) |
| .build(ganglia); |
| gangliaReporter.start(interval, TimeUnit.SECONDS); |
| addService(new ClosingService<ScheduledReporter>(gangliaReporter)); |
| summary.append(String.format(", Ganglia at %s:%d interval=%d", |
| host, port, interval)); |
| */ |
| } |
| |
| // Logging |
| if (conf.getBoolean(METRICS_LOGGING_ENABLED, false)) { |
| ScheduledReporter reporter; |
| String logName = |
| conf.getTrimmed(METRICS_LOGGING_LOG, METRICS_DEFAULT_LOG); |
| int interval = conf.getInt(METRICS_LOGGING_LOG_INTERVAL, |
| METRICS_DEFAULT_LOG_INTERVAL); |
| reporter = Slf4jReporter.forRegistry(metrics) |
| .convertRatesTo(TimeUnit.SECONDS) |
| .outputTo(LoggerFactory.getLogger(logName)) |
| .convertDurationsTo(TimeUnit.MILLISECONDS) |
| .build(); |
| reporter.start(interval, TimeUnit.MINUTES); |
| addService(new ClosingService<ScheduledReporter>(reporter)); |
| summary.append(String.format(", SLF4J to log %s interval=%d", |
| logName, interval)); |
| } |
| reportingDetails = summary.toString(); |
| log.info(reportingDetails); |
| } |
| |
| @Override |
| public String toString() { |
| return super.toString() + " " + reportingDetails; |
| } |
| } |