pan3793 commented on code in PR #4625:
URL: https://github.com/apache/kyuubi/pull/4625#discussion_r1152711247
##########
kyuubi-server/src/main/scala/org/apache/kyuubi/engine/KubernetesApplicationOperation.scala:
##########
@@ -127,22 +137,68 @@ class KubernetesApplicationOperation extends
ApplicationOperation with Logging {
}
}
- private def findDriverPodByTag(tag: String): util.List[Pod] = {
- val podList = kubernetesClient.pods()
- .withLabel(KubernetesApplicationOperation.LABEL_KYUUBI_UNIQUE_KEY,
tag).list().getItems
- val size = podList.size()
- if (size != 1) {
- warn(s"Get Tag: ${tag} Driver Pod In Kubernetes size: ${size}, we expect
1")
+ override def stop(): Unit = {
+ try {
+ if (driverInformer != null) {
+ driverInformer.stop()
+ }
+ if (kubernetesClient != null) {
+ kubernetesClient.close()
+ }
+ if (deletedAppInfoCache != null) {
+ deletedAppInfoCache.cleanUp()
+ }
+ } catch {
+ case e: Exception => error(e.getMessage)
}
- podList
}
- override def stop(): Unit = {
- if (kubernetesClient != null) {
- try {
- kubernetesClient.close()
- } catch {
- case e: Exception => error(e.getMessage)
+ private class SparkEnginePodEventHandler extends ResourceEventHandler[Pod] {
+ private def isSparkEnginePod(pod: Pod): Boolean = {
+ pod.getMetadata.getLabels.containsKey(LABEL_KYUUBI_UNIQUE_KEY)
+ }
+
+ private def updateState(pod: Pod): Unit = {
+ val metaData = pod.getMetadata
+ val state = toApplicationState(pod.getStatus.getPhase)
+ debug(s"Driver Informer change pod: ${metaData.getName} state: $state")
+ appInfoStore.put(
+ metaData.getLabels.get(LABEL_KYUUBI_UNIQUE_KEY),
+ ApplicationInfo(
+ id = metaData.getLabels.get(SPARK_APP_ID_LABEL),
+ name = metaData.getName,
+ state = state,
+ error = Option(pod.getStatus.getReason)))
+ }
+
+ private def markDeleted(pod: Pod): Unit = {
+ deletedAppInfoCache.put(
+ pod.getMetadata.getLabels.get(LABEL_KYUUBI_UNIQUE_KEY),
+ toApplicationState(pod.getStatus.getPhase))
+ }
+
+ override def onAdd(pod: Pod): Unit = {
+ if (isSparkEnginePod(pod)) {
+ updateState(pod)
+ }
+ }
+
+ override def onUpdate(oldPod: Pod, newPod: Pod): Unit = {
+ if (isSparkEnginePod(newPod)) {
+ updateState(newPod)
+ toApplicationState(newPod.getStatus.getPhase) match {
+ case FINISHED | FAILED | UNKNOWN =>
+ markDeleted(newPod)
Review Comment:
it's confusing, delete what? Pod or Application?
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