/**
* 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";
}
}