codelipenghui commented on a change in pull request #6637: [pulsar-broker]
Implement AutoSubscriptionCreation by namespace override
URL: https://github.com/apache/pulsar/pull/6637#discussion_r405435961
##########
File path:
pulsar-broker/src/main/java/org/apache/pulsar/broker/admin/impl/NamespacesBase.java
##########
@@ -571,23 +572,80 @@ protected void
internalSetAutoTopicCreation(AsyncResponse asyncResponse, AutoTop
try {
// Write back the new policies into zookeeper
globalZk().setData(path(POLICIES,
namespaceName.toString()),
-
jsonMapper().writeValueAsBytes(policiesNode.getKey()),
policiesNode.getValue().getVersion());
- policiesCache().invalidate(path(POLICIES,
namespaceName.toString()));
+
jsonMapper().writeValueAsBytes(policiesNode.getKey()),
policiesNode.getValue().getVersion(),
+ (rc, path1, ctx, stat) -> {
+ if (rc ==
KeeperException.Code.OK.intValue()) {
+
policiesCache().invalidate(path(POLICIES, namespaceName.toString()));
+ } else {
+ String errorMsg = String.format(
+ "[%s] Failed to modify
autoTopicCreation status for namespace %s",
+ clientAppId(),
namespaceName);
+ if (rc ==
KeeperException.Code.NONODE.intValue()) {
+ log.warn("{} : does not
exist", errorMsg);
+ asyncResponse.resume(new
RestException(Status.NOT_FOUND, "Namespace does not exist"));
+ } else if (rc ==
KeeperException.Code.BADVERSION.intValue()) {
+ log.warn("{} : concurrent
modification", errorMsg);
+ asyncResponse.resume(new
RestException(Status.CONFLICT, "Concurrent modification"));
+ } else {
+
asyncResponse.resume(KeeperException.create(KeeperException.Code.get(rc),
errorMsg));
+ }
+ }
+ }, null);
+ String autoOverride =
autoTopicCreationOverride.allowAutoTopicCreation ? "enabled" : "disabled";
+ log.info("[{}] Successfully {} autoTopicCreation
on namespace {}", clientAppId(), autoOverride, namespaceName);
Review comment:
Should move to the zookeeper callback.
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