001/* 002 * (C) Copyright 2020 Nuxeo (http://nuxeo.com/) and others. 003 * 004 * Licensed under the Apache License, Version 2.0 (the "License"); 005 * you may not use this file except in compliance with the License. 006 * You may obtain a copy of the License at 007 * 008 * http://www.apache.org/licenses/LICENSE-2.0 009 * 010 * Unless required by applicable law or agreed to in writing, software 011 * distributed under the License is distributed on an "AS IS" BASIS, 012 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 013 * See the License for the specific language governing permissions and 014 * limitations under the License. 015 * 016 * Contributors: 017 * bdelbosc 018 */ 019package org.nuxeo.runtime.stream; 020 021import java.util.Set; 022import java.util.concurrent.TimeUnit; 023 024import org.apache.logging.log4j.LogManager; 025import org.apache.logging.log4j.Logger; 026import org.nuxeo.lib.stream.computation.log.LogStreamManager; 027import org.nuxeo.runtime.metrics.AbstractMetricsReporter; 028 029import io.dropwizard.metrics5.MetricAttribute; 030import io.dropwizard.metrics5.MetricFilter; 031import io.dropwizard.metrics5.MetricRegistry; 032import io.dropwizard.metrics5.ScheduledReporter; 033 034/** 035 * A Specialized Nuxeo Metrics Reporter that sends only Nuxeo Stream metrics into a Stream. 036 * 037 * @since 11.5 038 */ 039public class StreamMetricsNuxeoReporter extends AbstractMetricsReporter { 040 041 private static final Logger log = LogManager.getLogger(StreamMetricsNuxeoReporter.class); 042 043 protected ScheduledReporter reporter; 044 045 protected static final MetricFilter STREAM_METRICS_FILTER = MetricFilter.startsWith("nuxeo.stream"); 046 047 @Override 048 public void start(MetricRegistry registry, MetricFilter filter, Set<MetricAttribute> deniedExpansions) { 049 log.warn("Reporting Stream Metrics to: {}", LogStreamManager.METRICS_STREAM); 050 ScheduledReporter reporter = new StreamMetricsReporter(registry, STREAM_METRICS_FILTER); 051 reporter.start(getPollInterval(), TimeUnit.SECONDS); 052 } 053 054 @Override 055 public void stop() { 056 log.debug("Stop reporting"); 057 if (reporter != null) { 058 reporter.stop(); 059 } 060 } 061 062}