sv2000 commented on a change in pull request #2674: [GOBBLIN-808] implement
azkaban flow cancel when dag manager is enabled
URL: https://github.com/apache/incubator-gobblin/pull/2674#discussion_r296929076
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File path:
gobblin-service/src/main/java/org/apache/gobblin/service/modules/orchestration/DagManager.java
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@@ -294,10 +335,30 @@ public synchronized void setActive(boolean active) {
@Override
public void run() {
try {
- Object nextItem = queue.poll();
+ String nextDagToCancel = cancelQueue.poll();
+ //Poll the cancelQueue for a new Dag to cancel.
+ if (nextDagToCancel != null) {
+ log.info("Cancel flow with DagId {}", nextDagToCancel);
+ if (this.dagToJobs.containsKey(nextDagToCancel)) {
+ List<DagNode<JobExecutionPlan>> dagNodesToCancel =
this.dagToJobs.get(nextDagToCancel);
+ log.info("Found {} DagNodes to cancel.", dagNodesToCancel.size());
+ for (DagNode<JobExecutionPlan> dagNodeToCancel : dagNodesToCancel)
{
+ Properties props = new Properties();
+ if (dagNodeToCancel.getValue().getAzkabanExecId().isPresent()) {
+ String azkabanExecId =
dagNodeToCancel.getValue().getAzkabanExecId().get().getExecId();
+ props.put(ConfigurationKeys.AZKABAN_EXEC_ID, azkabanExecId);
+ log.info("Cancel job with azkaban exec id {}.", azkabanExecId);
+ }
+
DagManagerUtils.getSpecProducer(dagNodeToCancel).deleteSpec(null, props);
Review comment:
Current implementation of deleteSpec in AzkabanSpecProducer will delete the
project, which is not what we want. We want to call cancelFlow() on the
underlying AzkabanClient. Will deleteSpec implementation be changed later on?
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