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From "Alejandro Fernandez" <afernan...@hortonworks.com>
Subject Re: Review Request 37946: Stop-and-Start Upgrade: If using HDP 2.x, can only register repo for HDP 2.y since need an upgrade pack to support it
Date Wed, 02 Sep 2015 16:38:05 GMT


> On Sept. 2, 2015, 1:37 p.m., Jonathan Hurley wrote:
> > I'm a bit confused as to why we need to verify that creation of a repository needs
to have an upgrade pack. For things like patch upgrades, there won't be an upgrade pack, but
a new repository will be created.
> 
> Alejandro Fernandez wrote:
>     This was mainly for RU and Stop-the-World, in which it doesn't make sense to register
a repo for a version if no upgrade pack supports its.
>     However, you can also argue this case. Assume that the customer is on HDP 2.2, and
HDP 2.4 is already out, and we only support upgrade packs for HDP 2.2->2.3, and 2.3->2.4.
In this case, the user should perhaps be allowed to register both repos, and then perform
2 RUs, first from 2.2->2.3, and then 2.3->2.4

I'm ok with keeping D.G.'s logic for now, at least until patch upgrades comes out.


- Alejandro


-----------------------------------------------------------
This is an automatically generated e-mail. To reply, visit:
https://reviews.apache.org/r/37946/#review97443
-----------------------------------------------------------


On Aug. 31, 2015, 1:54 p.m., Dmytro Grinenko wrote:
> 
> -----------------------------------------------------------
> This is an automatically generated e-mail. To reply, visit:
> https://reviews.apache.org/r/37946/
> -----------------------------------------------------------
> 
> (Updated Aug. 31, 2015, 1:54 p.m.)
> 
> 
> Review request for Ambari, Alejandro Fernandez, Dmitro Lisnichenko, Jonathan Hurley,
and Nate Cole.
> 
> 
> Bugs: AMBARI-12934
>     https://issues.apache.org/jira/browse/AMBARI-12934
> 
> 
> Repository: ambari
> 
> 
> Description
> -------
> 
> In Ambari 2.2.0, we'll need to support Stop-and-Start Upgrade from HDP 2.x -> 2.y.
> This means that if the user is still on HDP 2.x, the only upgrade pack possible will
be Stop-and-Start Upgrade to HDP 2.y, so it doesn't make sense to allow the user to register
a repo for any version except HDP 2.y.
> During repo_version creation, we need to ensure that the version being installed has
an upgrade pack that will allow upgrading to it.
> 
> 
> Diffs
> -----
> 
>   ambari-server/src/main/java/org/apache/ambari/server/controller/internal/RepositoryVersionResourceProvider.java
f1fa3bf 
>   ambari-server/src/main/java/org/apache/ambari/server/state/stack/UpgradePack.java 79b8eb5

>   ambari-server/src/main/java/org/apache/ambari/server/state/stack/upgrade/RepositoryVersionHelper.java
2e17cf4 
>   ambari-server/src/test/java/org/apache/ambari/server/controller/internal/RepositoryVersionResourceProviderTest.java
442bcb2 
> 
> Diff: https://reviews.apache.org/r/37946/diff/
> 
> 
> Testing
> -------
> 
> tests passed
> 
> 
> Thanks,
> 
> Dmytro Grinenko
> 
>


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