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ambari-server/src/main/java/org/apache/ambari/server/state/DependencyConditionInfo.java
 (line 103)
<https://reviews.apache.org/r/51815/#comment216224>

    do you support other type of checks ? such as the property has to be a 
certain value ?



ambari-server/src/main/resources/common-services/HDFS/2.1.0.2.0/metainfo.xml 
(line 55)
<https://reviews.apache.org/r/51815/#comment216221>

    this is already a subsection of "dependency", it can just be called 
"conditions"



ambari-server/src/main/resources/common-services/HDFS/2.1.0.2.0/metainfo.xml 
(line 56)
<https://reviews.apache.org/r/51815/#comment216222>

    same here, no need to reiterate it's for "dependency"



ambari-server/src/main/resources/common-services/HDFS/2.1.0.2.0/metainfo.xml 
(line 58)
<https://reviews.apache.org/r/51815/#comment216223>

    what does "<property>dfs.nameservices</property>" mean in this conditional 
check? as a negative test, what if a user manually added the property to 
hdfs-site.xml ?


- Di Li


On Sept. 12, 2016, 5:45 p.m., Amruta Borkar wrote:
> 
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> This is an automatically generated e-mail. To reply, visit:
> https://reviews.apache.org/r/51815/
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> 
> (Updated Sept. 12, 2016, 5:45 p.m.)
> 
> 
> Review request for Ambari, Di Li, Juanjo  Marron, Laszlo Puskas, and Robert 
> Nettleton.
> 
> 
> Bugs: AMBARI-18355
>     https://issues.apache.org/jira/browse/AMBARI-18355
> 
> 
> Repository: ambari
> 
> 
> Description
> -------
> 
> Currently stack definitions do not list conditional dependencies, adding 
> those to the stack definitions would make it easy to validate errors in case 
> of blueprint deployment. Please refer to document attached to Jira
> 
> 
> Diffs
> -----
> 
>   
> ambari-server/src/main/java/org/apache/ambari/server/state/DependencyConditionInfo.java
>  PRE-CREATION 
>   
> ambari-server/src/main/java/org/apache/ambari/server/state/DependencyInfo.java
>  e3db662 
>   
> ambari-server/src/main/java/org/apache/ambari/server/topology/BlueprintValidatorImpl.java
>  a5f33ff 
>   
> ambari-server/src/main/resources/common-services/HDFS/2.1.0.2.0/metainfo.xml 
> 65d166a 
>   
> ambari-server/src/test/java/org/apache/ambari/server/topology/BlueprintValidatorImplTest.java
>  b1de8ef 
> 
> Diff: https://reviews.apache.org/r/51815/diff/
> 
> 
> Testing
> -------
> 
> Written Junit test cases. Perfomred manual testing to check the Namenode HA 
> component dependency. Was able to proceed with the installation for valid 
> blueprint. and got validation error message while registering blueprint when 
> the Blueprint did not satisfy the conditional dependencies.
> 
> 
> Thanks,
> 
> Amruta Borkar
> 
>

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