[104] | 1 | package simulator; |
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| 2 | |
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| 3 | import eduni.simjava.Sim_event; |
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| 4 | import gridsim.GridSimTags; |
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| 5 | import gridsim.IO_data; |
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| 6 | import gridsim.gssim.GssimConstants; |
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| 7 | import gridsim.net.Link; |
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| 8 | import grms.shared.constants.BrokerConstants; |
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| 9 | import org.qcg.broker.schemas.schedulingplan.types.AllocationStatus; |
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| 10 | import gssim.schedframe.scheduling.AbstractExecutable; |
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| 11 | import gssim.schedframe.scheduling.Executable; |
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| 12 | import gssim.schedframe.scheduling.plugin.grid.GridReservationManager; |
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| 13 | import gssim.schedframe.scheduling.plugin.grid.GssimJobRegistry; |
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| 14 | import gssim.schedframe.scheduling.queues.JobQueue; |
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| 15 | import gssim.schedframe.scheduling.queues.TaskQueue; |
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| 16 | import gssim.schedframe.scheduling.utils.JobDescription; |
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| 17 | import gssim.schedframe.scheduling.utils.TaskDescription; |
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| 18 | |
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| 19 | import java.util.ArrayList; |
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| 20 | import java.util.List; |
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| 21 | |
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| 22 | import org.apache.commons.logging.Log; |
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| 23 | import org.apache.commons.logging.LogFactory; |
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| 24 | import org.exolab.castor.types.Duration; |
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| 25 | import org.joda.time.DateTime; |
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| 26 | |
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| 27 | import schedframe.scheduling.AbstractProcesses; |
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| 28 | import schedframe.scheduling.Job; |
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| 29 | import schedframe.scheduling.Task; |
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| 30 | import schedframe.scheduling.TaskInterface; |
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| 31 | import schedframe.scheduling.events.SchedulingEventReason; |
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| 32 | import schedframe.scheduling.events.TaskArrivedEvent; |
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| 33 | import schedframe.scheduling.events.TaskCanceledEvent; |
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| 34 | import schedframe.scheduling.events.TimerEvent; |
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| 35 | import schedframe.scheduling.plan.AllocationInterface; |
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| 36 | import schedframe.scheduling.plan.ComputingResourceTypeInterface; |
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| 37 | import schedframe.scheduling.plan.ComputingResourceTypeItemInterface; |
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| 38 | import schedframe.scheduling.plan.HostInterface; |
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| 39 | import schedframe.scheduling.plan.ParameterPropertyInterface; |
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| 40 | import schedframe.scheduling.plan.ScheduledTaskInterface; |
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| 41 | import schedframe.scheduling.plan.SchedulingPlanInterface; |
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| 42 | import schedframe.scheduling.plan.impl.Host; |
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| 43 | import schedframe.scheduling.plugin.grid.ModuleList; |
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| 44 | import schedframe.scheduling.utils.ResourceParameterName; |
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| 45 | import simulator.lists.ExecutablesList; |
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| 46 | import simulator.utils.XsltTransformations; |
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| 47 | |
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| 48 | /** |
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| 49 | * This class implements the functionality of a grid scheduler interface for the |
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| 50 | * task and host descriptions used in PSNC (that is: QcgJobDescriptionSchema.xsd and HostParamSchema.xsd) |
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| 51 | * |
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| 52 | * This class implements also the functionality of the reservation manager |
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| 53 | * used across multiple calls to {@link #scheduleJob(JobGridletList, String, String, String, ResourceDiscovery, String, String, String, String, String)} |
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| 54 | * @author Stanislaw Szczepanowski |
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| 55 | * |
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| 56 | */ |
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| 57 | public class GridBroker extends AbstractGridBroker { |
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| 58 | |
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| 59 | |
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| 60 | // private static Log log = LogFactory.getLog(GridBroker.class); |
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| 61 | |
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| 62 | /** The persistent job registry object */ |
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| 63 | protected GssimJobRegistry jobRegistry; |
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| 64 | |
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| 65 | /** Unfinished jobs */ |
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| 66 | protected JobQueue unfinishedJobs; |
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| 67 | |
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| 68 | protected TaskQueue unfinishedTasks; |
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| 69 | |
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| 70 | protected XsltTransformations xsltTransformer; |
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| 71 | |
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| 72 | protected ExecutablesList executables; |
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| 73 | |
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| 74 | /** |
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| 75 | * Creates an interface for a given plug-in. |
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| 76 | * |
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| 77 | * @param name the name of this entity |
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| 78 | * @param options the options object of the simulator |
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| 79 | * @param expectedJobNumber the number of expected jobs, that will be sent to the scheduler (for optimization purposes) |
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| 80 | * @param expectedTaskNumber the number of expected tasks, that will be sent to the scheduler (for optimization purposes) |
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| 81 | * @throws Exception if any error occurs |
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| 82 | */ |
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| 83 | public GridBroker(String name, ConfigurationOptions options, int expectedJobNumber, int expectedTaskNumber) throws Exception { |
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| 84 | super(name, options.gridSchedulingPluginName); |
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| 85 | set_stat(GssimConstants.getBrokersStatisticsObject()); |
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| 86 | |
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| 87 | // this.allTasks = new HashMap<String, Map<String, Task>>(expectedJobNumber); |
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| 88 | // this.jobsMap = new HashMap<String, Job>(expectedJobNumber); |
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| 89 | |
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| 90 | this.jobRegistry = new GssimJobRegistry(); |
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| 91 | |
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| 92 | this.unfinishedJobs = new JobQueue(); |
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| 93 | this.unfinishedTasks = new TaskQueue(); |
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| 94 | |
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| 95 | this.moduleList.add(new GridReservationManager(this)); |
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| 96 | this.xsltTransformer = new XsltTransformations(); |
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| 97 | this.executables = new ExecutablesList(); |
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| 98 | } |
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| 99 | |
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| 100 | /** |
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| 101 | * Creates an interface for a given plug-in. |
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| 102 | * |
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| 103 | * @param name the name of this entity |
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| 104 | * @param link the connection between entity and router |
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| 105 | * @param options the options object of the simulator |
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| 106 | * @param expectedJobNumber the number of expected jobs, that will be sent to the scheduler (for optimization purposes) |
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| 107 | * @param expectedTaskNumber the number of expected tasks, that will be sent to the scheduler (for optimization purposes) |
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| 108 | * @throws Exception if any error occurs |
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| 109 | */ |
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| 110 | public GridBroker(String name, Link link, ConfigurationOptions options, int expectedJobNumber, int expectedTaskNumber) throws Exception { |
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| 111 | super(name, link, options.gridSchedulingPluginName); |
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| 112 | |
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| 113 | set_stat(GssimConstants.getBrokersStatisticsObject()); |
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| 114 | |
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| 115 | // this.allTasks = new HashMap<String, Map<String, Task>>(expectedJobNumber); |
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| 116 | // this.jobsMap = new HashMap<String, Job>(expectedJobNumber); |
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| 117 | |
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| 118 | this.jobRegistry = new GssimJobRegistry(); |
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| 119 | |
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| 120 | this.unfinishedJobs = new JobQueue(); |
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| 121 | this.unfinishedTasks = new TaskQueue(); |
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| 122 | |
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| 123 | this.moduleList.add(new GridReservationManager(this)); |
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| 124 | this.xsltTransformer = new XsltTransformations(); |
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| 125 | this.executables = new ExecutablesList(); |
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| 126 | } |
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| 127 | |
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| 128 | public void scheduleCyclic(){ |
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| 129 | SchedulingPlanInterface<?> decision = null; |
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| 130 | |
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| 131 | try { |
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| 132 | |
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| 133 | decision = gridSchedulerPlugin.schedule(new TimerEvent(), unfinishedJobs, |
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| 134 | unfinishedTasks, jobRegistry, |
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| 135 | moduleList, null); |
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| 136 | if (decision == null) |
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| 137 | return; |
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| 138 | |
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| 139 | log.info(decision.getDocument()); |
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| 140 | |
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| 141 | execute(decision); |
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| 142 | |
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| 143 | } catch (Exception e) { |
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| 144 | log.error("Exception during scheduling. " + e.getMessage()); |
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| 145 | e.printStackTrace(); |
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| 146 | } |
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| 147 | } |
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| 148 | |
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| 149 | /** |
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| 150 | * @see GridSchedulerInterface#scheduleJob |
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| 151 | */ |
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| 152 | public void scheduleJob(List<?> jobsList, |
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| 153 | String userPreferences, |
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| 154 | String reservationRequest, |
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| 155 | ModuleList moduleList, |
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| 156 | String reservationOffers, |
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| 157 | String predictedTimes, |
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| 158 | String jobSet, |
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| 159 | String jobRegistryString, |
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| 160 | String brokerConfiguration) { |
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| 161 | |
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| 162 | //List<Job> jobs = (List<Job>) jobsList; |
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| 163 | TaskQueue waitingTasks = new TaskQueue(); |
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| 164 | |
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| 165 | for(int i = 0; i < jobsList.size(); i++){ |
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| 166 | Job newJob = (Job)jobsList.get(i); |
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| 167 | //jobsMap.put(newJob.getId(), newJob); |
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| 168 | this.jobRegistry.addJob(newJob); |
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| 169 | unfinishedJobs.add(newJob); |
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| 170 | List<Task> tasks = newJob.getTask(); |
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| 171 | //unfinishedTasks.addAll(tasks); |
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| 172 | |
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| 173 | waitingTasks.addAll(tasks); |
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| 174 | } |
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| 175 | |
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| 176 | if(jobRegistryString != null){ |
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| 177 | waitingTasks.addAll(jobRegistry.get(jobRegistryString).getTask()); |
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| 178 | } |
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| 179 | |
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| 180 | unfinishedTasks.addAll(waitingTasks.getReadyTasks(jobRegistry)); |
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| 181 | |
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| 182 | try { |
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| 183 | SchedulingPlanInterface<?> decision = gridSchedulerPlugin.schedule( |
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| 184 | new TaskArrivedEvent(), |
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| 185 | unfinishedJobs, |
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| 186 | unfinishedTasks, |
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| 187 | jobRegistry, |
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| 188 | moduleList, |
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| 189 | null); |
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| 190 | if (decision == null) |
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| 191 | return; |
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| 192 | |
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| 193 | log.info(decision.getDocument()); |
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| 194 | |
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| 195 | execute(decision); |
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| 196 | |
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| 197 | } catch (Exception e) { |
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| 198 | log.error("Exception during scheduling. " + e.getMessage()); |
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| 199 | e.printStackTrace(); |
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| 200 | } |
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| 201 | |
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| 202 | } |
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| 203 | |
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| 204 | protected void execute(SchedulingPlanInterface<?> decision){ |
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| 205 | ScheduledTaskInterface<?> taskSchedulingDecisions[] = decision.getTask(); |
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| 206 | |
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| 207 | for (int i = 0; i < taskSchedulingDecisions.length; i++) { |
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| 208 | |
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| 209 | try { |
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| 210 | |
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| 211 | ScheduledTaskInterface<?> taskDecision = taskSchedulingDecisions[i]; |
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| 212 | |
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| 213 | |
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| 214 | String jobID = taskDecision.getJobId(); |
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| 215 | String taskID = taskDecision.getTaskId(); |
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| 216 | |
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| 217 | // Task allocations that were rejected because of lack of resources or which were canceled and |
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| 218 | // not scheduled again are returned to the user. |
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| 219 | if(taskDecision.getStatus() == AllocationStatus.REJECTED){ |
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| 220 | Job jobGridlet = this.jobRegistry.get(jobID); |
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| 221 | send(output, 0, GridSimTags.GRIDLET_RETURN, new IO_data(jobGridlet, 0, jobGridlet.getSenderId())); |
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| 222 | continue; |
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| 223 | } |
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| 224 | |
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| 225 | AllocationInterface<?> allocations[] = taskDecision.getAllocation(); |
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| 226 | |
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| 227 | //indicates, whether the scheduling decision concerns a new task or a previously scheduled task |
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| 228 | boolean schedulingNewTask = true; |
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| 229 | |
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| 230 | /* Map<String, Task> tasksMap = allTasks.get(jobID); |
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| 231 | if (tasksMap == null) { |
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| 232 | tasksMap = new HashMap<String, Task>(); |
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| 233 | allTasks.put(jobID, tasksMap); |
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| 234 | } |
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| 235 | Task taskGridlet = tasksMap.get(taskID); |
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| 236 | if (taskGridlet == null) { |
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| 237 | Job jg = jobsMap.get(jobID); |
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| 238 | taskGridlet = jg.getTask(taskID); |
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| 239 | tasksMap.put(taskID, taskGridlet); |
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| 240 | } else { |
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| 241 | schedulingNewTask = false; |
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| 242 | } |
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| 243 | */ |
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| 244 | if (schedulingNewTask) { |
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| 245 | // create new sub tasks |
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| 246 | //sendSubTasks(taskGridlet, processDecisions); |
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| 247 | Task taskGridlet = (Task) this.jobRegistry.getTaskInfo(jobID, taskID); |
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| 248 | sendSubTasks(taskGridlet, allocations); |
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| 249 | taskGridlet.setStatus((int)BrokerConstants.TASK_STATUS_QUEUED); |
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| 250 | } else { |
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| 251 | // move task |
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| 252 | // SubTaskGridlet[] simpleGridlets = taskGridlet.getGridlets(); |
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| 253 | // moveSubTasks(simpleGridlets, allocations); |
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| 254 | } |
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| 255 | |
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| 256 | }catch (Exception e){ |
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| 257 | e.printStackTrace(); |
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| 258 | } |
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| 259 | } |
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| 260 | } |
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| 261 | |
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| 262 | /** |
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| 263 | * Sends (spreads) the given task gridlet to resources |
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| 264 | * @param taskGridlet the task gridlet to be sent |
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| 265 | * @param resourceIDs the IDs of resources to which the gridlet is to be sent |
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| 266 | * @param reservationID the IDs of reservations |
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| 267 | * @param procCounts the number of processor to be used on each resource |
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| 268 | * @param peRatings the processing elements rating to be used on each resource |
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| 269 | * @pre resourceIDs.length == reservationID.length == procCounts.length == peRatings.length == memRequests.length |
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| 270 | */ |
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| 271 | protected void sendSubTasks(Task task, AllocationInterface<?> allocations[] ) { |
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| 272 | |
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| 273 | for (int i = 0; i < allocations.length; i++) { |
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| 274 | |
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| 275 | AllocationInterface<?> allocation = allocations[i]; |
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| 276 | |
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| 277 | String refersTo = allocation.getProcessGroupId(); // null;//allocation.getRefersTo(); |
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| 278 | if(refersTo == null) |
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| 279 | refersTo = task.getId(); |
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| 280 | |
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| 281 | Executable exec = null; |
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| 282 | |
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| 283 | if(refersTo.equals(task.getId())){ |
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| 284 | exec = new Executable(task); |
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| 285 | } else { |
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| 286 | List<AbstractProcesses> processes = task.getProcesses(); |
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| 287 | if(processes == null) { |
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| 288 | try { |
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| 289 | log.error("Allocation: " + allocation.getDocument() + "\nrefers to unknown task or processes set." + |
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| 290 | " Set correct value (task id or prcesses set id) for allocation refersTo attribute."); |
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| 291 | } catch (Exception e) { |
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| 292 | e.printStackTrace(); |
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| 293 | } |
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| 294 | } |
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| 295 | boolean found = false; |
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| 296 | for(int j = 0; j < processes.size() && !found; j++){ |
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| 297 | AbstractProcesses procesesSet = processes.get(j); |
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| 298 | if(refersTo.equals(procesesSet.getId())){ |
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| 299 | exec = new Executable(task, procesesSet); |
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| 300 | found = true; |
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| 301 | } |
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| 302 | } |
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| 303 | if(!found){ |
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| 304 | log.error("Allocation refers to unknown proceses set."); |
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| 305 | } |
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| 306 | |
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| 307 | } |
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| 308 | |
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| 309 | |
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| 310 | exec.setUserID(this.get_id()); |
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| 311 | exec.setLength(task.getLength()); |
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| 312 | |
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| 313 | exec.setReservationId(allocation.getReservationId()); |
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| 314 | |
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| 315 | executables.add(exec); |
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| 316 | |
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| 317 | HostInterface<?> host = allocation.getHost(); |
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| 318 | ComputingResourceTypeInterface<?> crt = host.getMachineParameters(); |
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| 319 | if(crt != null){ |
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| 320 | ComputingResourceTypeItemInterface<?> crti = crt.getComputingResourceTypeItem(0); |
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| 321 | if(crti != null){ |
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| 322 | ParameterPropertyInterface<?> properties[] = crti.getHostParameter().getProperty(); |
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| 323 | for(int p = 0; p < properties.length; p++){ |
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| 324 | ParameterPropertyInterface<?> property = properties[p]; |
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| 325 | if("chosenCPUs".equals(property.getName())){ |
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| 326 | Object cpuNames = property.getValue(); |
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| 327 | exec.addSpecificResource(ResourceParameterName.FREECPUS, cpuNames); |
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| 328 | } |
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| 329 | } |
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| 330 | } |
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| 331 | } |
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| 332 | |
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| 333 | String resourceID = allocation.getHost().getHostname(); |
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| 334 | int resID = getEntityId(resourceID); |
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| 335 | IO_data data = new IO_data(exec, 0, resID); |
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| 336 | send(output, GridSimTags.SCHEDULE_NOW, GridSimTags.GRIDLET_SUBMIT, data); |
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| 337 | |
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| 338 | if(log.isDebugEnabled()) |
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| 339 | log.debug("Submitted task " + exec.getJobId() + "_" + exec.getId() + " to resource " + resourceID); |
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| 340 | } |
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| 341 | } |
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| 342 | |
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| 343 | |
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| 344 | protected List<?> prepareJobDescription(Sim_event ev){ |
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| 345 | List<JobDescription> jobsList = (List<JobDescription>) ev.get_data(); |
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| 346 | int senderId = ev.get_src(); |
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| 347 | ArrayList<Job> ret = new ArrayList<Job>(jobsList.size()); |
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| 348 | |
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| 349 | DateTime submitionTime = new DateTime(); |
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| 350 | |
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| 351 | for (JobDescription jobDescription : jobsList) { |
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| 352 | try { |
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| 353 | |
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| 354 | // transform job description to resource requirements |
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| 355 | |
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| 356 | if(log.isInfoEnabled()) |
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| 357 | log.info("Received job " + jobDescription.getJobId() + " at " + submitionTime); |
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| 358 | |
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| 359 | Job newJob = new Job(jobDescription.getJobId()); |
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| 360 | newJob.setSenderId(senderId); |
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| 361 | |
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| 362 | for (TaskDescription taskDescription : jobDescription) { |
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| 363 | |
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| 364 | String xmlResReq = this.xsltTransformer.taskToResourceRequirements( |
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| 365 | taskDescription.getDocument(), |
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| 366 | jobDescription.getJobId(), |
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| 367 | taskDescription.getUserDn(), |
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| 368 | submitionTime); |
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| 369 | |
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| 370 | Task newTask = new Task(xmlResReq); |
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| 371 | newTask.setSenderId(senderId); |
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| 372 | newTask.setStatus((int)BrokerConstants.TASK_STATUS_UNSUBMITTED); |
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| 373 | newTask.setLength(taskDescription.getTaskLength()); |
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| 374 | newTask.setWorkloadLogWaitTime(taskDescription.getWorkloadLogWaitTime()); |
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| 375 | // newTask.setSubmissionTime(taskDescription.getSubmissionTime()); |
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| 376 | |
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| 377 | if(log.isInfoEnabled()) |
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| 378 | log.info("Received task " + newTask.getId() + " at " + newTask.getSubmissionTimeToBroker()); |
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| 379 | |
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| 380 | newJob.add(newTask); |
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| 381 | } |
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| 382 | ret.add(newJob); |
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| 383 | |
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| 384 | jobDescription.discardUnused(); |
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| 385 | |
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| 386 | } catch (Exception e){ |
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| 387 | log.error(e.getMessage()); |
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| 388 | e.printStackTrace(); |
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| 389 | } |
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| 390 | } |
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| 391 | |
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| 392 | return ret; |
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| 393 | } |
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| 394 | |
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| 395 | public void notifyCanceledGridlet(AbstractExecutable taskGridlet){ |
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| 396 | if(log.isDebugEnabled()) |
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| 397 | log.debug("przyszedl scancelowany gridlet."); |
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| 398 | |
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| 399 | |
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| 400 | Executable task = (Executable) taskGridlet; |
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| 401 | String jobID = task.getJobId(); |
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| 402 | |
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| 403 | SchedulingPlanInterface<?> decision = null; |
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| 404 | |
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| 405 | TaskInterface<?> tii = jobRegistry.getTaskInfo(jobID, task.getId()); |
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| 406 | try { |
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| 407 | |
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| 408 | tii.setStatus((int)BrokerConstants.JOB_STATUS_CANCELED); |
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| 409 | |
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| 410 | TaskCanceledEvent event = new TaskCanceledEvent(task.getJobId(), task.getTaskId()); |
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| 411 | event.setReason(SchedulingEventReason.RESERVATION_EXCEEDED); |
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| 412 | decision = gridSchedulerPlugin.schedule(event, unfinishedJobs, unfinishedTasks, jobRegistry, |
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| 413 | moduleList, null); |
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| 414 | |
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| 415 | if(decision == null) |
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| 416 | return; |
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| 417 | |
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| 418 | execute(decision); |
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| 419 | |
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| 420 | } catch (Exception e) { |
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| 421 | log.error("Exception during scheduling. " + e.getMessage()); |
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| 422 | e.printStackTrace(); |
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| 423 | } |
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| 424 | } |
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| 425 | |
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| 426 | public void notifyReturnedGridlet(AbstractExecutable simpleGridlet) { |
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| 427 | |
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| 428 | Executable exec = (Executable) simpleGridlet; |
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| 429 | |
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| 430 | long duration = Double.valueOf(exec.getFinishTime() - exec.getExecStartTime()).longValue(); |
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| 431 | log.debug("Executable " + exec.getId() + "\nstart time: " + |
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| 432 | new java.util.Date(Double.valueOf(exec.getExecStartTime()).longValue() * 1000) |
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| 433 | + "\nfinish time: " + new java.util.Date(Double.valueOf(exec.getFinishTime()).longValue() * 1000) |
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| 434 | + "\nduration: " + new Duration(duration * 1000)); |
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| 435 | |
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| 436 | |
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| 437 | try { |
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| 438 | Job job = this.jobRegistry.get(exec.getJobId()); |
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| 439 | Task task = job.getTask(exec.getTaskId()); |
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| 440 | if(exec.getProcessesId() == null){ |
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| 441 | task.setStatus(exec.getStatus()); |
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| 442 | } else { |
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| 443 | List<AbstractProcesses> processesList = task.getProcesses(); |
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| 444 | for(int i = 0; i < processesList.size(); i++){ |
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| 445 | AbstractProcesses processes = processesList.get(i); |
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| 446 | if(processes.getId().equals(exec.getProcessesId())){ |
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| 447 | processes.setStatus(exec.getStatus()); |
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| 448 | break; |
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| 449 | } |
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| 450 | } |
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| 451 | } |
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| 452 | |
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| 453 | if(job.isFinished()){ |
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| 454 | send(output, 0, GridSimTags.GRIDLET_RETURN, new IO_data(job, 0, job.getSenderId())); |
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| 455 | } |
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| 456 | else { |
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| 457 | scheduleJob(new ArrayList<Job>(), null, null, moduleList, null, null, null, job.getId(), null); |
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| 458 | } |
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| 459 | |
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| 460 | } catch (NoSuchFieldException e) { |
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| 461 | e.printStackTrace(); |
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| 462 | } |
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| 463 | } |
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| 464 | |
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| 465 | public ExecutablesList getExecutables(){ |
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| 466 | return this.executables; |
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| 467 | } |
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| 468 | |
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| 469 | @Override |
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| 470 | public void processRequest(Sim_event ev) { |
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| 471 | // TODO Auto-generated method stub |
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| 472 | |
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| 473 | } |
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| 474 | |
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| 475 | @Override |
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| 476 | public void send(int entityID, double delay, int gridSimTag, Object data) { |
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| 477 | // TODO Auto-generated method stub |
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| 478 | |
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| 479 | } |
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| 480 | |
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| 481 | } |
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