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https://issues.apache.org/jira/browse/AMBARI-4921?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13918309#comment-13918309
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John Speidel commented on AMBARI-4921:
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Also related is the property "global/nagios_contact" which is required and
isn't in the stack definitions.
> Provisioning cluster via API is broken due to global/user_group configuration
> property being required
> -----------------------------------------------------------------------------------------------------
>
> Key: AMBARI-4921
> URL: https://issues.apache.org/jira/browse/AMBARI-4921
> Project: Ambari
> Issue Type: Bug
> Affects Versions: 1.5.0
> Reporter: John Speidel
> Priority: Blocker
> Fix For: 1.5.0
>
>
> The configuration property "global/user_group" is now required for cluster
> install but not included in the stack configuration. Instead, this property
> is only set via the Ambari UI. Clients who currently provision clusters via
> the Ambari REST API are now broken due to the addition of this property.
> This includes OpenStack Savanna and Ambari Blueprints.
> There are 2 issues here.
> - A new required configuration was added. Existing users of the API will not
> know to provide this configuration property and will therefore be broken.
> This property shouldn't be required and should have a default if not
> specified.
> - This property should be included in all of the stack definitions that
> require it. The work being done in Ambari Blueprints uses the stack
> configurations as defaults and since this property is not included in the
> stack definition, it is not being set which causes an install failure.
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