-----------------------------------------------------------
This is an automatically generated e-mail. To reply, visit:
https://reviews.apache.org/r/61949/#review183942
-----------------------------------------------------------




ambari-server/src/main/java/org/apache/ambari/server/controller/internal/VersionDefinitionResourceProvider.java
Line 87 (original), 91 (patched)
<https://reviews.apache.org/r/61949/#comment259987>

    May I do this change?


- Dmitro Lisnichenko


On Aug. 28, 2017, 7:18 p.m., Dmitro Lisnichenko wrote:
> 
> -----------------------------------------------------------
> This is an automatically generated e-mail. To reply, visit:
> https://reviews.apache.org/r/61949/
> -----------------------------------------------------------
> 
> (Updated Aug. 28, 2017, 7:18 p.m.)
> 
> 
> Review request for Ambari, Jonathan Hurley and Nate Cole.
> 
> 
> Bugs: AMBARI-21832
>     https://issues.apache.org/jira/browse/AMBARI-21832
> 
> 
> Repository: ambari
> 
> 
> Description
> -------
> 
> Currently there is an odd scenario which can occur when patch repositories 
> are registered which have services not yet installed. Consider the following 
> scenario:
> 
> - Install ZooKeeper, Storm on HDP 2.6.0.0-1234
> - Register/patch a {{PATCH}} VDF for Storm and Accumulo for 2.6.0.1-9999
> - Install Accumulo
> 
> Which version does Accumulo use - the {{STANDARD}} repository or the 
> {{PATCH}}? If the {{PATCH}} repository is chosen, this will now prevent 
> reversion of the patch since there's no prior version for Accumulo to revert 
> back to.
> 
> If Accumulo uses the {{STANDARD}} repo, then there needs to be a lot of 
> design and UX flow work provided to indicate that a {{PATCH}} which was 
> previously applied can be re-applied for the new service. This also causes 
> problems for patch reversion since now there would be two upgrades which need 
> to be reverted to "get rid" of the patch.
> 
> For the timeframe for Ambari 2.6, we should reject VDFs that include services 
> which are not installed. This will prevent the problem.
> 
> 
> Diffs
> -----
> 
>   
> ambari-server/src/main/java/org/apache/ambari/server/controller/internal/AbstractControllerResourceProvider.java
>  77e6250084 
>   
> ambari-server/src/main/java/org/apache/ambari/server/controller/internal/VersionDefinitionResourceProvider.java
>  e81d1af72e 
> 
> 
> Diff: https://reviews.apache.org/r/61949/diff/1/
> 
> 
> Testing
> -------
> 
> will fix unit tests
> 
> 
> Thanks,
> 
> Dmitro Lisnichenko
> 
>

Reply via email to