sijie closed pull request #2548: Stop all functions gracefully on closing
worker-service
URL: https://github.com/apache/incubator-pulsar/pull/2548
This is a PR merged from a forked repository.
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diff --git
a/pulsar-functions/worker/src/main/java/org/apache/pulsar/functions/worker/FunctionRuntimeManager.java
b/pulsar-functions/worker/src/main/java/org/apache/pulsar/functions/worker/FunctionRuntimeManager.java
index 93828de40d..75a70e0fb6 100644
---
a/pulsar-functions/worker/src/main/java/org/apache/pulsar/functions/worker/FunctionRuntimeManager.java
+++
b/pulsar-functions/worker/src/main/java/org/apache/pulsar/functions/worker/FunctionRuntimeManager.java
@@ -403,6 +403,25 @@ public Response stopFunctionInstances(String tenant,
String namespace, String fu
return Response.status(Status.OK).build();
}
+ /**
+ * It stops all functions instances owned by current worker
+ * @throws Exception
+ */
+ public void stopAllOwnedFunctions() throws Exception {
+ final String workerId = this.workerConfig.getWorkerId();
+ Map<String, Assignment> assignments =
workerIdToAssignments.get(workerId);
+ if (assignments != null) {
+ assignments.values().forEach(assignment -> {
+ String fullyQualifiedInstanceId =
Utils.getFullyQualifiedInstanceId(assignment.getInstance());
+ try {
+ stopFunction(fullyQualifiedInstanceId, false);
+ } catch (Exception e) {
+ log.warn("Failed to stop function {} - {}",
fullyQualifiedInstanceId, e.getMessage());
+ }
+ });
+ }
+ }
+
private void stopFunction(String fullyQualifiedInstanceId, boolean
restart) throws Exception {
log.info("[{}] {}..", restart ? "restarting" : "stopping",
fullyQualifiedInstanceId);
FunctionRuntimeInfo functionRuntimeInfo =
this.getFunctionRuntimeInfo(fullyQualifiedInstanceId);
@@ -658,6 +677,7 @@ private void setFunctionRuntimeInfo(String
fullyQualifiedInstanceId, FunctionRun
@Override
public void close() throws Exception {
+ stopAllOwnedFunctions();
this.functionActioner.close();
this.functionAssignmentTailer.close();
if (runtimeFactory != null) {
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