in mantis-runtime/src/main/java/io/mantisrx/runtime/executor/LocalJobExecutorNetworked.java [162:385]
public static void execute(Job job, SchedulingInfo schedulingInfo, Parameter... parameters) throws IllegalMantisJobException {
// validate job
try {
new ValidateJob(job).execute();
} catch (CommandException e) {
throw new IllegalMantisJobException(e);
}
// execute job
List<StageConfig> stages = job.getStages();
final SourceHolder source = job.getSource();
final SinkHolder sink = job.getSink();
final PortSelector portSelector = new PortSelectorInRange(8000, 9000);
// register netty metrics
RxNetty.useMetricListenersFactory(new MantisNettyEventsListenerFactory());
// start our metrics server
MetricsServer metricsServer = new MetricsServer(portSelector.acquirePort(), 1, Collections.EMPTY_MAP);
metricsServer.start();
Lifecycle lifecycle = job.getLifecycle();
lifecycle.startup();
// create job context
Map parameterDefinitions = job.getParameterDefinitions();
final String user = Optional.ofNullable(MantisProperties.getProperty("USER")).orElse(
"userUnknown");
String jobId = String.format("localJob-%s-%d", user, (int) (Math.random() * 10000));
logger.info("jobID {}", jobId);
final ServiceLocator serviceLocator = lifecycle.getServiceLocator();
int numInstances = schedulingInfo.forStage(1).getNumberOfInstances();
BehaviorSubject<Integer> workersInStageOneObservable = BehaviorSubject.create(numInstances);
BehaviorSubject<WorkerMap> workerMapObservable = BehaviorSubject.create();
if (stages.size() == 1) {
// single stage job
final StageConfig stage = stages.get(0);
// use latch to wait for all instances to complete
final CountDownLatch waitUntilAllCompleted = new CountDownLatch(numInstances);
Action0 countDownLatchOnComplete = new Action0() {
@Override
public void call() {
waitUntilAllCompleted.countDown();
}
};
Action0 nullOnCompleted = new Action0() {
@Override
public void call() {}
};
Action1<Throwable> nullOnError = new Action1<Throwable>() {
@Override
public void call(Throwable t) {}
};
Map<Integer, List<WorkerInfo>> workerInfoMap = new HashMap<>();
List<WorkerInfo> workerInfoList = new ArrayList<>();
// run for num of instances
for (int i = 0; i < numInstances; i++) {
WorkerPorts workerPorts = new WorkerPorts(portSelector.acquirePort(), portSelector.acquirePort(), portSelector.acquirePort(), portSelector.acquirePort(), portSelector.acquirePort());
WorkerInfo workerInfo = new WorkerInfo(jobId, jobId, 1, i, i + 1, MantisJobDurationType.Perpetual, "localhost", workerPorts);
workerInfoList.add(workerInfo);
Context context = new Context(
ParameterUtils.createContextParameters(parameterDefinitions,
parameters),
lifecycle.getServiceLocator(),
//new WorkerInfo(jobId, jobId, 1, i, i, MantisJobDurationType.Perpetual, "localhost", new ArrayList<>(),-1,-1),
workerInfo,
MetricsRegistry.getInstance(), () -> {
System.exit(0);
}, workerMapObservable,
Thread.currentThread().getContextClassLoader());
// workers for stage 1
workerInfoMap.put(1, workerInfoList);
workerMapObservable.onNext(new WorkerMap(workerInfoMap));
StageExecutors.executeSingleStageJob(source, stage, sink, () -> workerInfo.getWorkerPorts().getSinkPort(), new RxMetrics(),
context, countDownLatchOnComplete, i, workersInStageOneObservable, null, null, nullOnCompleted,
nullOnError);
}
// wait for all instances to complete
try {
waitUntilAllCompleted.await();
} catch (InterruptedException e) {
throw new RuntimeException(e);
}
} else {
// multi-stage job
int workerNumber = 0;
// start source stages
StageConfig currentStage = stages.get(0);
StageConfig previousStage = null;
StageSchedulingInfo currentStageScalingInfo = schedulingInfo.forStage(1);
StageSchedulingInfo nextStageScalingInfo = schedulingInfo.forStage(2);
int[] previousPorts = new int[currentStageScalingInfo.getNumberOfInstances()]; // num ports
Map<Integer, List<WorkerInfo>> workerInfoMap = new HashMap<>();
List<WorkerInfo> workerInfoList = new ArrayList<>();
for (int i = 0; i < currentStageScalingInfo.getNumberOfInstances(); i++) {
WorkerPorts workerPorts = new WorkerPorts(portSelector.acquirePort(), portSelector.acquirePort(), portSelector.acquirePort(), portSelector.acquirePort(), portSelector.acquirePort());
WorkerInfo workerInfo = new WorkerInfo(jobId, jobId, 1, i, i + 1, MantisJobDurationType.Perpetual, "localhost", workerPorts);
workerInfoList.add(workerInfo);
//int sourcePort = portSelector.acquirePort();
int sourcePort = workerInfo.getWorkerPorts().getSinkPort();
previousPorts[i] = sourcePort;
Context context = new Context(
ParameterUtils.createContextParameters(parameterDefinitions,
parameters),
serviceLocator, workerInfo,
MetricsRegistry.getInstance(), nullAction, workerMapObservable,
Thread.currentThread().getContextClassLoader());
startSource(i, sourcePort, nextStageScalingInfo.getNumberOfInstances(),
job.getSource(), currentStage, context, workersInStageOneObservable);
}
// workers for stage 1
workerInfoMap.put(1, workerInfoList);
workerMapObservable.onNext(new WorkerMap(workerInfoMap));
// start intermediate stages, all but last stage
for (int i = 1; i < stages.size() - 1; i++) {
previousStage = currentStage;
StageSchedulingInfo previousStageScalingInfo = schedulingInfo.forStage(i);
currentStageScalingInfo = schedulingInfo.forStage(i + 1); // stages indexed starting at 1
currentStage = stages.get(i);
nextStageScalingInfo = schedulingInfo.forStage(i + 2); // stages indexed starting at 1
int[] currentPorts = new int[currentStageScalingInfo.getNumberOfInstances()];
workerInfoList = new ArrayList<>();
for (int j = 0; j < currentStageScalingInfo.getNumberOfInstances(); j++) {
WorkerPorts workerPorts = new WorkerPorts(portSelector.acquirePort(), portSelector.acquirePort(), portSelector.acquirePort(), portSelector.acquirePort(), portSelector.acquirePort());
WorkerInfo workerInfo = new WorkerInfo(jobId, jobId, i + 1, j, workerNumber++, MantisJobDurationType.Perpetual, "localhost", workerPorts);
workerInfoList.add(workerInfo);
//int port = portSelector.acquirePort();
int port = workerInfo.getWorkerPorts().getSinkPort();
currentPorts[j] = port;
Context context = new Context(
ParameterUtils.createContextParameters(parameterDefinitions,
parameters),
serviceLocator, workerInfo,
MetricsRegistry.getInstance(), nullAction, workerMapObservable,
Thread.currentThread().getContextClassLoader());
startIntermediate(previousPorts, port, currentStage, context, j,
nextStageScalingInfo.getNumberOfInstances(), i, previousStageScalingInfo.getNumberOfInstances());
}
// workers for current stage
workerInfoMap.put(i + 1, workerInfoList);
workerMapObservable.onNext(new WorkerMap(workerInfoMap));
previousPorts = currentPorts;
}
// start sink stage
StageSchedulingInfo previousStageScalingInfo = schedulingInfo.forStage(stages.size() - 1);
previousStage = stages.get(stages.size() - 2);
currentStage = stages.get(stages.size() - 1);
currentStageScalingInfo = schedulingInfo.forStage(stages.size());
numInstances = currentStageScalingInfo.getNumberOfInstances();
// use latch to wait for all instances to complete
final CountDownLatch waitUntilAllCompleted = new CountDownLatch(numInstances);
Action0 countDownLatchOnTerminated = new Action0() {
@Override
public void call() {
waitUntilAllCompleted.countDown();
}
};
Action0 nullOnCompleted = new Action0() {
@Override
public void call() {}
};
Action1<Throwable> nullOnError = new Action1<Throwable>() {
@Override
public void call(Throwable t) {}
};
workerInfoList = new ArrayList<>();
for (int i = 0; i < numInstances; i++) {
WorkerPorts workerPorts = new WorkerPorts(portSelector.acquirePort(), portSelector.acquirePort(), portSelector.acquirePort(), portSelector.acquirePort(), portSelector.acquirePort());
WorkerInfo workerInfo = new WorkerInfo(jobId, jobId, stages.size(), i, workerNumber++, MantisJobDurationType.Perpetual, "localhost", workerPorts);
workerInfoList.add(workerInfo);
Context context = new Context(
ParameterUtils.createContextParameters(parameterDefinitions,
parameters),
serviceLocator, workerInfo,
MetricsRegistry.getInstance(), nullAction, workerMapObservable,
Thread.currentThread().getContextClassLoader());
startSink(previousStage, previousPorts, currentStage, () -> workerInfo.getWorkerPorts().getSinkPort(), sink,
context, countDownLatchOnTerminated,
nullOnCompleted, nullOnError, stages.size(), i, previousStageScalingInfo.getNumberOfInstances());
}
workerInfoMap.put(stages.size(), workerInfoList);
workerMapObservable.onNext(new WorkerMap(workerInfoMap));
// wait for all instances to complete
try {
waitUntilAllCompleted.await();
} catch (InterruptedException e) {
throw new RuntimeException(e);
}
}
lifecycle.shutdown();
metricsServer.shutdown();
}