I am using Bluemix message hub service. I need to provide read only access to specific topics to specific users. Question is how can I define ACLs in Bluemix message hub? Apache kafka does provide the means (http://kafka.apache.org/documentation.html#security_authz), but that involves interacting with zookeeper. And I haven't been able to find details to connect to underlying zookeeper behind Bluemix message hub service. Appreciate the responses.
1 Answers
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ACLs are currently not supported with MessageHub. As you've correctly noted, we don't give users access to Zookeeper. So at the moment, there is no way to only provide read or write access to a topic.
That said, we isolate each service instance. So if you provision 2 MessageHub instances in different Bluemix spaces, they will be fully isolated and won't be able to see each other topics. That way you could have guaranties that users from instance1 won't be able to read or write from/to topics from instance2. Not what you've asked for but that might help.
