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https://issues.apache.org/jira/browse/AMBARI-11093?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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John Speidel resolved AMBARI-11093.
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Resolution: Pending Closed
merged to trunk
> Provide host predicate property validation for blueprint requests
> -----------------------------------------------------------------
>
> Key: AMBARI-11093
> URL: https://issues.apache.org/jira/browse/AMBARI-11093
> Project: Ambari
> Issue Type: Task
> Components: blueprints
> Affects Versions: Ambari-2.1
> Reporter: John Speidel
> Assignee: John Speidel
> Priority: Critical
> Fix For: Ambari-2.1
>
>
> When specifying a host predicate via the "host_predicate" property in the
> cluster creation template, the predicate is compiled using the API predicate
> compiler which will report syntactic errors in the predicate but the property
> names aren't validated. So, if an invalid property name is specified in the
> predicate, the host group will never get matched to any host meaning that the
> host group will never be deployed.
> This is critical that this is fixed for 2.1 as it will cause great
> frustration to anyone who attempts to provision or scale a cluster and
> specifies a host predicate with an invalid proper name.
> When an invalid property name is specified a host predicate, this should
> result in a 400 response to the the user with a message which indicates the
> invalid properties.
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