org.apache.kylin.engine.mr.common.HadoopStatusChecker Maven / Gradle / Ivy
/*
* 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.kylin.engine.mr.common;
import java.text.SimpleDateFormat;
import java.util.Date;
import org.apache.commons.lang3.tuple.Pair;
import org.apache.hadoop.yarn.api.records.FinalApplicationStatus;
import org.apache.hadoop.yarn.server.resourcemanager.rmapp.RMAppState;
import org.apache.kylin.job.constant.JobStepStatusEnum;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
/**
* @author xduo
*
*/
public class HadoopStatusChecker {
protected static final Logger logger = LoggerFactory.getLogger(HadoopStatusChecker.class);
private final String yarnUrl;
private final String mrJobID;
private final StringBuilder output;
private final boolean useKerberosAuth;
public HadoopStatusChecker(String yarnUrl, String mrJobID, StringBuilder output, boolean useKerberosAuth) {
this.yarnUrl = yarnUrl;
this.mrJobID = mrJobID;
this.output = output;
this.useKerberosAuth = useKerberosAuth;
}
public JobStepStatusEnum checkStatus() {
if (null == mrJobID) {
this.output.append("Skip status check with empty job id..\n");
return JobStepStatusEnum.WAITING;
}
JobStepStatusEnum status = null;
try {
final Pair result = new HadoopStatusGetter(yarnUrl, mrJobID).get(useKerberosAuth);
logger.debug("State of Hadoop job: " + mrJobID + ":" + result.getLeft() + "-" + result.getRight());
output.append(new SimpleDateFormat("yyyy-MM-dd HH:mm:ss.S").format(new Date()) + " - State of Hadoop job: " + mrJobID + ":" + result.getLeft() + " - " + result.getRight() + "\n");
switch (result.getRight()) {
case SUCCEEDED:
status = JobStepStatusEnum.FINISHED;
break;
case FAILED:
status = JobStepStatusEnum.ERROR;
break;
case KILLED:
status = JobStepStatusEnum.KILLED;
break;
case UNDEFINED:
switch (result.getLeft()) {
case NEW:
case NEW_SAVING:
case SUBMITTED:
case ACCEPTED:
status = JobStepStatusEnum.WAITING;
break;
case RUNNING:
status = JobStepStatusEnum.RUNNING;
break;
case FINAL_SAVING:
case FINISHING:
case FINISHED:
case FAILED:
case KILLING:
case KILLED:
break;
default:
throw new IllegalStateException();
}
break;
default:
throw new IllegalStateException();
}
} catch (Exception e) {
logger.error("error check status", e);
output.append("Exception: " + e.getLocalizedMessage() + "\n");
status = JobStepStatusEnum.ERROR;
}
return status;
}
}