Robert Nettleton created AMBARI-16227:
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Summary: Blueprint deployments with LogSearch should fail if
Zookeeper is not present
Key: AMBARI-16227
URL: https://issues.apache.org/jira/browse/AMBARI-16227
Project: Ambari
Issue Type: Bug
Components: ambari-server
Affects Versions: 2.4.0
Reporter: Robert Nettleton
Assignee: Robert Nettleton
Priority: Critical
Fix For: 2.4.0
Currently, deploying a Blueprints cluster that includes the new LogSearch
components does not have the appropriate amount of validation during the
initial POST of the Blueprint.
If a Blueprint is POST-ed to ambari-server with LogSearch components, but
without a Zookeeper server instance ("ZOOKEEPER_SERVER"), the POST will
succeed, but the Cluster deployment based on this Blueprint will eventually
fail, as all LogSearch components require access to the cluster's Zookeeper
quorum.
The stack definition metadata for the LogSearch service should be updated, so
that the dependency on ZOOKEEPER_SERVER is explicitly required. If a Blueprint
includes LogSearch, but does not include the ZOOKEEPER_SERVER instance, this
should result in an error thrown back to a cluster attempting to POST the
invalid Blueprint.
While is is possible to deploy valid LogSearch clusters with Blueprints
currently, this type of validation is required in order to assist the creation
of new Blueprints, to ensure that the proper required components are included
in the cluster.
I'm working on a fix for this, and will be submitting a patch shortly.
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