chia7712 commented on code in PR #14306:
URL: https://github.com/apache/kafka/pull/14306#discussion_r1905622310
##########
core/src/main/scala/kafka/server/ControllerApis.scala:
##########
@@ -1005,4 +1023,20 @@ class ControllerApis(val requestChannel: RequestChannel,
}
}
}
+
+ def handleDescribeCluster(request: RequestChannel.Request):
CompletableFuture[Unit] = {
+ // Unlike on the broker, DESCRIBE_CLUSTER on the controller requires a
high level of
+ // permissions (ALTER on CLUSTER).
Review Comment:
Thanks for this excellent explanation, @cmccabe! I've created JIRA issue
https://issues.apache.org/jira/browse/KAFKA-18434 to incorporate this
explanation into the error message. This will help users understand the
permission distinctions when using controllers as bootstrap servers.
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