| /* |
| * 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.system; |
| |
| //OODT imports |
| import org.apache.oodt.cas.resource.scheduler.Scheduler; |
| import org.apache.oodt.cas.resource.structs.Job; |
| import org.apache.oodt.cas.resource.structs.JobInput; |
| 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.JobQueueException; |
| import org.apache.oodt.cas.resource.structs.exceptions.JobRepositoryException; |
| import org.apache.oodt.cas.resource.structs.exceptions.MonitorException; |
| import org.apache.oodt.cas.resource.structs.exceptions.QueueManagerException; |
| import org.apache.oodt.cas.resource.structs.exceptions.SchedulerException; |
| import org.apache.oodt.cas.resource.util.GenericResourceManagerObjectFactory; |
| import org.apache.oodt.cas.resource.util.XmlRpcStructFactory; |
| |
| //APACHE imports |
| import org.apache.xmlrpc.WebServer; |
| |
| //JDK imports |
| import java.io.File; |
| import java.io.FileInputStream; |
| import java.net.MalformedURLException; |
| import java.net.URL; |
| import java.util.Date; |
| import java.util.Hashtable; |
| import java.util.List; |
| import java.util.Vector; |
| import java.util.logging.Level; |
| import java.util.logging.Logger; |
| |
| /** |
| * @author woollard |
| * @version $Revision$ |
| * |
| * <p> |
| * An XML RPC-based Resource manager. |
| * </p> |
| * |
| */ |
| public class XmlRpcResourceManager { |
| |
| /* the port to run the XML RPC web server on, default is 2000 */ |
| private int webServerPort = 2000; |
| |
| /* our log stream */ |
| private Logger LOG = Logger |
| .getLogger(XmlRpcResourceManager.class.getName()); |
| |
| /* our xml rpc web server */ |
| private WebServer webServer = null; |
| |
| /* our scheduler */ |
| private Scheduler scheduler = null; |
| |
| public XmlRpcResourceManager(int port) throws Exception { |
| // load properties from workflow manager properties file, if specified |
| if (System.getProperty("org.apache.oodt.cas.resource.properties") != null) { |
| String configFile = System |
| .getProperty("org.apache.oodt.cas.resource.properties"); |
| LOG.log(Level.INFO, |
| "Loading Resource Manager Configuration Properties from: [" |
| + configFile + "]"); |
| System.getProperties().load( |
| new FileInputStream(new File(configFile))); |
| } |
| |
| String schedulerClassStr = System.getProperty( |
| "resource.scheduler.factory", |
| "org.apache.oodt.cas.resource.scheduler.LRUSchedulerFactory"); |
| |
| scheduler = GenericResourceManagerObjectFactory |
| .getSchedulerServiceFromFactory(schedulerClassStr); |
| |
| // start up the scheduler |
| new Thread(scheduler).start(); |
| |
| webServerPort = port; |
| |
| // start up the web server |
| webServer = new WebServer(webServerPort); |
| webServer.addHandler("resourcemgr", this); |
| webServer.start(); |
| |
| LOG.log(Level.INFO, "Resource Manager started by " |
| + System.getProperty("user.name", "unknown")); |
| |
| } |
| |
| public boolean isAlive() { |
| return true; |
| } |
| |
| /** |
| * Gets the number of Jobs in JobQueue |
| * @return Number of Jobs in JobQueue |
| * @throws JobRepositoryException On Any Exception |
| */ |
| public int getJobQueueSize() throws JobRepositoryException { |
| try { |
| return this.scheduler.getJobQueue().getSize(); |
| }catch (Exception e) { |
| throw new JobRepositoryException("Failed to get size of JobQueue : " + e.getMessage(), e); |
| } |
| } |
| |
| /** |
| * Gets the max number of Jobs allowed in JobQueue |
| * @return Max number of Jobs |
| * @throws JobRepositoryException On Any Exception |
| */ |
| public int getJobQueueCapacity() throws JobRepositoryException { |
| try { |
| return this.scheduler.getJobQueue().getCapacity(); |
| }catch (Exception e) { |
| throw new JobRepositoryException("Failed to get capacity of JobQueue : " + e.getMessage(), e); |
| } |
| } |
| |
| public boolean isJobComplete(String jobId) throws JobRepositoryException { |
| JobSpec spec = scheduler.getJobQueue().getJobRepository().getJobById( |
| jobId); |
| return scheduler.getJobQueue().getJobRepository().jobFinished(spec); |
| } |
| |
| public Hashtable getJobInfo(String jobId) throws JobRepositoryException { |
| JobSpec spec = null; |
| |
| try { |
| spec = scheduler.getJobQueue().getJobRepository() |
| .getJobById(jobId); |
| } catch (JobRepositoryException e) { |
| LOG.log(Level.WARNING, |
| "Exception communicating with job repository for job: [" |
| + jobId + "]: Message: " + e.getMessage()); |
| throw new JobRepositoryException("Unable to get job: [" + jobId |
| + "] from repository!"); |
| } |
| |
| return XmlRpcStructFactory.getXmlRpcJob(spec.getJob()); |
| } |
| |
| public String handleJob(Hashtable jobHash, Hashtable jobIn) |
| throws SchedulerException { |
| return genericHandleJob(jobHash, jobIn); |
| } |
| |
| public String handleJob(Hashtable jobHash, int jobIn) |
| throws SchedulerException { |
| return genericHandleJob(jobHash, new Integer(jobIn)); |
| } |
| |
| public String handleJob(Hashtable jobHash, boolean jobIn) |
| throws SchedulerException { |
| return genericHandleJob(jobHash, new Boolean(jobIn)); |
| } |
| |
| public String handleJob(Hashtable jobHash, String jobIn) |
| throws SchedulerException { |
| return genericHandleJob(jobHash, jobIn); |
| } |
| |
| public String handleJob(Hashtable jobHash, double jobIn) |
| throws SchedulerException { |
| return genericHandleJob(jobHash, new Double(jobIn)); |
| } |
| |
| public String handleJob(Hashtable jobHash, Date jobIn) |
| throws SchedulerException { |
| return genericHandleJob(jobHash, jobIn); |
| } |
| |
| public String handleJob(Hashtable jobHash, Vector jobIn) |
| throws SchedulerException { |
| return genericHandleJob(jobHash, jobIn); |
| } |
| |
| public String handleJob(Hashtable jobHash, byte[] jobIn) |
| throws SchedulerException { |
| return genericHandleJob(jobHash, jobIn); |
| } |
| |
| public boolean handleJob(Hashtable jobHash, Hashtable jobIn, String urlStr) |
| throws JobExecutionException { |
| return genericHandleJob(jobHash, jobIn, urlStr); |
| } |
| |
| public boolean handleJob(Hashtable jobHash, int jobIn, String urlStr) |
| throws JobExecutionException { |
| return genericHandleJob(jobHash, new Integer(jobIn), urlStr); |
| } |
| |
| public boolean handleJob(Hashtable jobHash, boolean jobIn, String urlStr) |
| throws JobExecutionException { |
| return genericHandleJob(jobHash, new Boolean(jobIn), urlStr); |
| } |
| |
| public boolean handleJob(Hashtable jobHash, String jobIn, String urlStr) |
| throws JobExecutionException { |
| return genericHandleJob(jobHash, jobIn, urlStr); |
| } |
| |
| public boolean handleJob(Hashtable jobHash, double jobIn, String urlStr) |
| throws JobExecutionException { |
| return genericHandleJob(jobHash, new Double(jobIn), urlStr); |
| } |
| |
| public boolean handleJob(Hashtable jobHash, Date jobIn, String urlStr) |
| throws JobExecutionException { |
| return genericHandleJob(jobHash, jobIn, urlStr); |
| } |
| |
| public boolean handleJob(Hashtable jobHash, Vector jobIn, String urlStr) |
| throws JobExecutionException { |
| return genericHandleJob(jobHash, jobIn, urlStr); |
| } |
| |
| public boolean handleJob(Hashtable jobHash, byte[] jobIn, String urlStr) |
| throws JobExecutionException { |
| return genericHandleJob(jobHash, jobIn, urlStr); |
| } |
| |
| public List getNodes() throws MonitorException { |
| List resNodes = scheduler.getMonitor().getNodes(); |
| return XmlRpcStructFactory.getXmlRpcResourceNodeList(resNodes); |
| } |
| |
| public Hashtable getNodeById(String nodeId) throws MonitorException { |
| ResourceNode node = scheduler.getMonitor().getNodeById(nodeId); |
| return XmlRpcStructFactory.getXmlRpcResourceNode(node); |
| |
| } |
| |
| public boolean killJob(String jobId) throws MonitorException { |
| String resNodeId = scheduler.getBatchmgr().getExecutionNode(jobId); |
| if (resNodeId == null) { |
| LOG.log(Level.WARNING, "Attempt to kill job: [" + jobId |
| + "]: cannot find execution node" |
| + " (has the job already finished?)"); |
| return false; |
| } |
| ResourceNode node = scheduler.getMonitor().getNodeById(resNodeId); |
| return scheduler.getBatchmgr().killJob(jobId, node); |
| } |
| |
| public String getExecutionNode(String jobId) { |
| String execNode = scheduler.getBatchmgr().getExecutionNode(jobId); |
| if (execNode == null) { |
| LOG.log(Level.WARNING, "Job: [" + jobId |
| + "] not currently executing on any known node"); |
| return ""; |
| } else |
| return execNode; |
| } |
| |
| public List<String> getQueues() throws QueueManagerException { |
| return new Vector<String>(this.scheduler.getQueueManager().getQueues()); |
| } |
| |
| public boolean addQueue(String queueName) throws QueueManagerException { |
| this.scheduler.getQueueManager().addQueue(queueName); |
| return true; |
| } |
| |
| public boolean removeQueue(String queueName) throws QueueManagerException { |
| this.scheduler.getQueueManager().removeQueue(queueName); |
| return true; |
| } |
| |
| public boolean addNode(Hashtable hashNode) throws MonitorException { |
| this.scheduler.getMonitor().addNode(XmlRpcStructFactory.getResourceNodeFromXmlRpc(hashNode)); |
| return true; |
| } |
| |
| public boolean removeNode(String nodeId) throws MonitorException { |
| try{ |
| for(String queueName: this.getQueuesWithNode(nodeId)){ |
| this.removeNodeFromQueue(nodeId, queueName); |
| } |
| this.scheduler.getMonitor().removeNodeById(nodeId); |
| }catch(Exception e){ |
| throw new MonitorException(e.getMessage(), e); |
| } |
| |
| return true; |
| } |
| |
| public boolean addNodeToQueue(String nodeId, String queueName) throws QueueManagerException { |
| this.scheduler.getQueueManager().addNodeToQueue(nodeId, queueName); |
| return true; |
| } |
| |
| public boolean removeNodeFromQueue(String nodeId, String queueName) throws QueueManagerException { |
| this.scheduler.getQueueManager().removeNodeFromQueue(nodeId, queueName); |
| return true; |
| } |
| |
| public List<String> getNodesInQueue(String queueName) throws QueueManagerException { |
| return new Vector<String>(this.scheduler.getQueueManager().getNodes(queueName)); |
| } |
| |
| public List<String> getQueuesWithNode(String nodeId) throws QueueManagerException { |
| return new Vector<String>(this.scheduler.getQueueManager().getQueues(nodeId)); |
| } |
| |
| public boolean shutdown(){ |
| if (this.webServer != null) { |
| this.webServer.shutdown(); |
| this.webServer = null; |
| return true; |
| } else |
| return false; |
| } |
| |
| public String getNodeLoad(String nodeId) throws MonitorException{ |
| ResourceNode node = this.scheduler.getMonitor().getNodeById(nodeId); |
| int capacity = node.getCapacity(); |
| int load = (this.scheduler.getMonitor().getLoad(node)) * -1 + capacity; |
| return load + "/" + capacity; |
| } |
| |
| public static void main(String[] args) throws Exception { |
| int portNum = -1; |
| String usage = "XmlRpcResourceManager --portNum <port number for xml rpc service>\n"; |
| |
| for (int i = 0; i < args.length; i++) { |
| if (args[i].equals("--portNum")) { |
| portNum = Integer.parseInt(args[++i]); |
| } |
| } |
| |
| if (portNum == -1) { |
| System.err.println(usage); |
| System.exit(1); |
| } |
| |
| XmlRpcResourceManager manager = new XmlRpcResourceManager(portNum); |
| |
| for (;;) |
| try { |
| Thread.currentThread().join(); |
| } catch (InterruptedException ignore) { |
| } |
| } |
| |
| public boolean setNodeCapacity(String nodeId, int capacity){ |
| try{ |
| this.scheduler.getMonitor().getNodeById(nodeId).setCapacity(capacity); |
| }catch (MonitorException e){ |
| LOG.log(Level.WARNING, "Exception setting capacity on node " |
| + nodeId + ": " + e.getMessage()); |
| return false; |
| } |
| return true; |
| } |
| |
| private String genericHandleJob(Hashtable jobHash, Object jobIn) |
| throws SchedulerException { |
| |
| Job exec = XmlRpcStructFactory.getJobFromXmlRpc(jobHash); |
| JobInput in = GenericResourceManagerObjectFactory |
| .getJobInputFromClassName(exec.getJobInputClassName()); |
| in.read(jobIn); |
| |
| JobSpec spec = new JobSpec(in, exec); |
| |
| // queue the job up |
| String jobId = null; |
| |
| try { |
| jobId = scheduler.getJobQueue().addJob(spec); |
| } catch (JobQueueException e) { |
| LOG.log(Level.WARNING, "JobQueue exception adding job: Message: " |
| + e.getMessage()); |
| throw new SchedulerException(e.getMessage()); |
| } |
| return jobId; |
| } |
| |
| private boolean genericHandleJob(Hashtable jobHash, Object jobIn, |
| String urlStr) throws JobExecutionException { |
| Job exec = XmlRpcStructFactory.getJobFromXmlRpc(jobHash); |
| JobInput in = GenericResourceManagerObjectFactory |
| .getJobInputFromClassName(exec.getJobInputClassName()); |
| in.read(jobIn); |
| |
| JobSpec spec = new JobSpec(in, exec); |
| |
| URL remoteUrl = safeGetUrlFromString(urlStr); |
| ResourceNode remoteNode = null; |
| |
| try { |
| remoteNode = scheduler.getMonitor().getNodeByURL(remoteUrl); |
| } catch (MonitorException e) { |
| } |
| |
| if (remoteNode != null) { |
| return scheduler.getBatchmgr().executeRemotely(spec, remoteNode); |
| } else |
| return false; |
| } |
| |
| private URL safeGetUrlFromString(String urlStr) { |
| URL url = null; |
| |
| try { |
| url = new URL(urlStr); |
| } catch (MalformedURLException e) { |
| LOG.log(Level.WARNING, "Error converting string: [" + urlStr |
| + "] to URL object: Message: " + e.getMessage()); |
| } |
| |
| return url; |
| } |
| } |