KNOX-3026 - End-users can exclude certain services or roles from CM service discovery #893
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What changes were proposed in this pull request?
I added two new gateway-level configurations:
gateway.cloudera.manager.service.discovery.excluded.service.types
gateway.cloudera.manager.service.discovery.excluded.role.types
Both configurations can store a collection of comma-separated Cloudera Manager service or role types that should be excluded from CM service discovery. They both default to an empty set, meaning full CM discovery.
During a CM service discovery attempt, those configurations are checked and based on the supplied values the discovery logic skips the given service(s) or role(s) discovery.
How was this patch tested?
I added and updated existing JUnit tests.
Tested on a live CM cluster:
After restarting Knox, I exported discovery-related logs into cm_discovery.txt
Here is the list of relevant log entries for this PR: