arjun4084346 commented on code in PR #3893:
URL: https://github.com/apache/gobblin/pull/3893#discussion_r1522120991
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gobblin-service/src/main/java/org/apache/gobblin/service/modules/orchestration/proc/LaunchDagProc.java:
##########
@@ -40,36 +65,126 @@
@Alpha
public class LaunchDagProc extends DagProc<Optional<Dag<JobExecutionPlan>>,
Optional<Dag<JobExecutionPlan>>> {
private final LaunchDagTask launchDagTask;
- private final AtomicLong orchestrationDelayCounter;
+ FlowCompilationValidationHelper flowCompilationValidationHelper;
- public LaunchDagProc(LaunchDagTask launchDagTask) {
+ public LaunchDagProc(LaunchDagTask launchDagTask,
FlowCompilationValidationHelper flowCompilationValidationHelper) {
this.launchDagTask = launchDagTask;
- this.orchestrationDelayCounter = new AtomicLong(0);
+ AtomicLong orchestrationDelayCounter = new AtomicLong(0);
ContextAwareGauge<Long> orchestrationDelayMetric =
metricContext.newContextAwareGauge
(ServiceMetricNames.FLOW_ORCHESTRATION_DELAY,
orchestrationDelayCounter::get);
metricContext.register(orchestrationDelayMetric);
+ this.flowCompilationValidationHelper = flowCompilationValidationHelper;
}
@Override
protected Optional<Dag<JobExecutionPlan>> initialize(DagManagementStateStore
dagManagementStateStore)
throws IOException {
- throw new UnsupportedOperationException("Not yet implemented");
+ try {
+ DagActionStore.DagAction dagAction = this.launchDagTask.getDagAction();
+ URI flowUri = FlowSpec.Utils.createFlowSpecUri(dagAction.getFlowId());
+ FlowSpec flowSpec = dagManagementStateStore.getFlowSpec(flowUri);
+ flowSpec.addProperty(ConfigurationKeys.FLOW_EXECUTION_ID_KEY,
dagAction.getFlowExecutionId());
+ return
this.flowCompilationValidationHelper.createExecutionPlanIfValid(flowSpec).toJavaUtil();
+ } catch (URISyntaxException | SpecNotFoundException | InterruptedException
e) {
+ throw new RuntimeException(e);
+ }
}
@Override
protected Optional<Dag<JobExecutionPlan>> act(DagManagementStateStore
dagManagementStateStore, Optional<Dag<JobExecutionPlan>> dag)
throws IOException {
- throw new UnsupportedOperationException("Not yet implemented");
+ if (!dag.isPresent()) {
+ log.warn("No dag with id " + this.launchDagTask.getDagId() + " found to
launch");
+ return Optional.empty();
+ }
+ DagManager.DagId dagId = DagManagerUtils.generateDagId(dag.get());
+ Set<Dag.DagNode<JobExecutionPlan>> nextSubmitted =
submitNext(dagManagementStateStore, dag.get());
+ for (Dag.DagNode<JobExecutionPlan> dagNode : nextSubmitted) {
+ dagManagementStateStore.addDagNodeState(dagNode, dagId); // compare
this - arjun1
+ }
+
+ log.info("Dag {} processed.", dagId);
+ return dag;
}
- @Override
- protected void sendNotification(Optional<Dag<JobExecutionPlan>> result,
EventSubmitter eventSubmitter)
- throws IOException {
- throw new UnsupportedOperationException("Not yet implemented");
+ /**
+ * Submit next set of Dag nodes in the Dag identified by the provided dagId
+ */
+ private Set<Dag.DagNode<JobExecutionPlan>>
submitNext(DagManagementStateStore dagManagementStateStore,
+ Dag<JobExecutionPlan> dag) throws IOException {
+ DagManager.DagId dagId = DagManagerUtils.generateDagId(dag);
+ Set<Dag.DagNode<JobExecutionPlan>> nextNodes =
DagManagerUtils.getNext(dag);
+ List<String> nextJobNames = new ArrayList<>();
+
+ //Submit jobs from the dag ready for execution.
+ for (Dag.DagNode<JobExecutionPlan> dagNode : nextNodes) {
+ submitJob(dagManagementStateStore, dagNode);
Review Comment:
will work on dividing multiple jobs into separate dag actions as part of
GOBBLIN-2017 in next PR
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