| /* |
| * 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.oodt.cas.resource.batchmgr; |
| |
| import java.util.HashMap; |
| import java.util.Map; |
| |
| import org.apache.commons.lang.NotImplementedException; |
| import org.apache.mesos.Protos.Status; |
| import org.apache.mesos.Protos.TaskID; |
| import org.apache.mesos.SchedulerDriver; |
| import org.apache.oodt.cas.resource.jobrepo.JobRepository; |
| import org.apache.oodt.cas.resource.monitor.Monitor; |
| import org.apache.oodt.cas.resource.structs.JobSpec; |
| import org.apache.oodt.cas.resource.structs.ResourceNode; |
| import org.apache.oodt.cas.resource.structs.exceptions.JobExecutionException; |
| import org.apache.oodt.cas.resource.structs.exceptions.MesosFrameworkException; |
| |
| /** |
| * @author starchmd |
| * @version $Revision$ |
| * |
| * A batch-manager used to execute and control jobs in a mesos-cluster. |
| */ |
| public class MesosBatchManager implements Batchmgr { |
| |
| Map<String,TaskID> map = new HashMap<String,TaskID>(); |
| SchedulerDriver driver; |
| JobRepository repo; |
| Monitor mon; |
| |
| public MesosBatchManager() { |
| } |
| /** |
| * Required to set the driver used to run the job, so "kill" |
| * requests are mapped properly. |
| * @param driver |
| */ |
| public void setDriver(SchedulerDriver driver) |
| { |
| this.driver = driver; |
| } |
| /** |
| * Register a new job with a batch manager. |
| * @param jobId - jobId in "resource" manager. |
| * @param task - mesos task. |
| */ |
| public void registerExecutedJob(String jobId,TaskID task) { |
| map.put(jobId, task); |
| }; |
| |
| |
| /* (non-Javadoc) |
| * @see org.apache.oodt.cas.resource.batchmgr.Batchmgr#executeRemotely(org.apache.oodt.cas.resource.structs.JobSpec, org.apache.oodt.cas.resource.structs.ResourceNode) |
| */ |
| @Override |
| public boolean executeRemotely(JobSpec job, ResourceNode resNode) |
| throws JobExecutionException { |
| throw new NotImplementedException("Execute remotely is not called when using mesos."); |
| } |
| |
| |
| /* (non-Javadoc) |
| * @see org.apache.oodt.cas.resource.batchmgr.Batchmgr#setMonitor(org.apache.oodt.cas.resource.monitor.Monitor) |
| */ |
| @Override |
| public void setMonitor(Monitor monitor) { |
| this.mon = monitor; |
| } |
| |
| /* (non-Javadoc) |
| * @see org.apache.oodt.cas.resource.batchmgr.Batchmgr#setJobRepository(org.apache.oodt.cas.resource.jobrepo.JobRepository) |
| */ |
| @Override |
| public void setJobRepository(JobRepository repository) { |
| this.repo = repository; |
| } |
| |
| /* (non-Javadoc) |
| * @see org.apache.oodt.cas.resource.batchmgr.Batchmgr#killJob(java.lang.String, org.apache.oodt.cas.resource.structs.ResourceNode) |
| */ |
| @Override |
| public boolean killJob(String jobId, ResourceNode node) { |
| TaskID id = (TaskID)map.get(jobId); |
| driver.killTask(id); |
| Status status = driver.killTask(id); |
| if (status != Status.DRIVER_RUNNING) |
| throw new MesosFrameworkException("Mesos Schedule Driver is dead: "+status.toString()); |
| return true; |
| } |
| |
| /* (non-Javadoc) |
| * @see org.apache.oodt.cas.resource.batchmgr.Batchmgr#getExecutionNode(java.lang.String) |
| */ |
| @Override |
| public String getExecutionNode(String jobId) { |
| // TODO Make this more meaningful. |
| return "All Your Jobs are belong to Mesos"; |
| } |
| |
| } |