| /** |
| * 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.CsvReporter; |
| import com.codahale.metrics.MetricRegistry; |
| import java.io.File; |
| import java.util.Locale; |
| 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.ConfigUtils; |
| import org.apache.storm.utils.ObjectReader; |
| import org.slf4j.Logger; |
| import org.slf4j.LoggerFactory; |
| |
| public class CsvStormReporter extends ScheduledStormReporter { |
| public static final String CSV_LOG_DIR = "csv.log.dir"; |
| private static final Logger LOG = LoggerFactory.getLogger(CsvStormReporter.class); |
| |
| private static File getCsvLogDir(Map stormConf, Map reporterConf) { |
| String csvMetricsLogDirectory = ObjectReader.getString(reporterConf.get(CSV_LOG_DIR), null); |
| if (csvMetricsLogDirectory == null) { |
| csvMetricsLogDirectory = ConfigUtils.absoluteStormLocalDir(stormConf); |
| csvMetricsLogDirectory = csvMetricsLogDirectory + ConfigUtils.FILE_SEPARATOR + "csvmetrics"; |
| } |
| File csvMetricsDir = new File(csvMetricsLogDirectory); |
| validateCreateOutputDir(csvMetricsDir); |
| return csvMetricsDir; |
| } |
| |
| private static void validateCreateOutputDir(File dir) { |
| if (!dir.exists()) { |
| dir.mkdirs(); |
| } |
| if (!dir.canWrite()) { |
| throw new IllegalStateException(dir.getName() + " does not have write permissions."); |
| } |
| if (!dir.isDirectory()) { |
| throw new IllegalStateException(dir.getName() + " is not a directory."); |
| } |
| } |
| |
| @Override |
| public void prepare(MetricRegistry metricsRegistry, Map stormConf, Map reporterConf) { |
| LOG.debug("Preparing..."); |
| CsvReporter.Builder builder = CsvReporter.forRegistry(metricsRegistry); |
| |
| Locale locale = ClientMetricsUtils.getMetricsReporterLocale(reporterConf); |
| if (locale != null) { |
| builder.formatFor(locale); |
| } |
| |
| TimeUnit rateUnit = ClientMetricsUtils.getMetricsRateUnit(reporterConf); |
| if (rateUnit != null) { |
| builder.convertRatesTo(rateUnit); |
| } |
| |
| TimeUnit durationUnit = ClientMetricsUtils.getMetricsDurationUnit(reporterConf); |
| if (durationUnit != null) { |
| builder.convertDurationsTo(durationUnit); |
| } |
| |
| StormMetricsFilter filter = getMetricsFilter(reporterConf); |
| if (filter != null) { |
| builder.filter(filter); |
| } |
| |
| //defaults to 10 |
| reportingPeriod = getReportPeriod(reporterConf); |
| |
| //defaults to seconds |
| reportingPeriodUnit = getReportPeriodUnit(reporterConf); |
| |
| File csvMetricsDir = getCsvLogDir(stormConf, reporterConf); |
| reporter = builder.build(csvMetricsDir); |
| } |
| } |