/** * 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 com.alibaba.jstorm.metric; import com.alibaba.jstorm.callback.RunnableCallback; import com.alibaba.jstorm.cluster.StormClusterState; import com.alibaba.jstorm.daemon.worker.WorkerData; import com.alibaba.jstorm.task.error.ErrorConstants; import com.codahale.metrics.health.HealthCheckRegistry; import com.codahale.metrics.health.HealthCheck.Result; import org.slf4j.Logger; import org.slf4j.LoggerFactory; import java.util.Map; /** * used for reporting queue full error to zk * * @author Jark Wu (wuchong.wc@alibaba-inc.com) */ public class JStormHealthReporter extends RunnableCallback { private static final Logger LOG = LoggerFactory.getLogger(JStormHealthReporter.class); private static final int THREAD_CYCLE = 60; //report every minute private WorkerData workerData; public JStormHealthReporter(WorkerData workerData) { this.workerData = workerData; } @Override public void run() { StormClusterState clusterState = workerData.getZkCluster(); String topologyId = workerData.getTopologyId(); Map<Integer, HealthCheckRegistry> taskHealthCheckMap = JStormHealthCheck.getTaskhealthcheckmap(); int cnt = 0; for (Map.Entry<Integer, HealthCheckRegistry> entry : taskHealthCheckMap.entrySet()) { Integer taskId = entry.getKey(); Map<String, Result> results = entry.getValue().runHealthChecks(); for (Map.Entry<String, Result> result : results.entrySet()) { if (!result.getValue().isHealthy()) { try { clusterState.report_task_error(topologyId, taskId, result.getValue().getMessage(), ErrorConstants.WARN, ErrorConstants.CODE_QUEUE_FULL, ErrorConstants.DURATION_SECS_QUEUE_FULL); cnt++; } catch (Exception e) { LOG.error("Failed to update health data in ZK for topo-{} task-{}.", topologyId, taskId, e); } } } } if (cnt > 0) { LOG.info("Successfully updated {} health data to ZK for topology:{}", cnt, topologyId); } } @Override public Object getResult() { return THREAD_CYCLE; } @Override public String getThreadName() { return "HealthReporterThread"; } }