Robert Nettleton created AMBARI-10487:
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Summary: Blueprint processor fails to handle direct host names
properly in HA Blueprints
Key: AMBARI-10487
URL: https://issues.apache.org/jira/browse/AMBARI-10487
Project: Ambari
Issue Type: Bug
Components: ambari-server
Affects Versions: 2.1.0
Reporter: Robert Nettleton
Assignee: Robert Nettleton
Priority: Critical
Fix For: 2.1.0
The Blueprint Configuration processor is not handling certain HA-specific
properties (HDFS HA for one example) when host names are specified directly.
If a customer wishes to specify hostnames directly in the HDFS HA properties
that require hostnames, the Blueprint processor will fail if it detects more
than one NameNode (which is the case in an HA cluster) and does not find the
%HOSTGROUP% syntax to use for hostname substitution.
The Blueprint config processor should be updated, so that customer-supplied
hostnames in these properties are used, and the Blueprint processor should
function properly with hostnames supplied directly.
This fix should also be applied and tested across the other types of HA in
Blueprints, and care should be taken to ensure that a customer can supply
hostnames directly, or can use the %HOSTGROUP% syntax, or a combination of the
two approaches.
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