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From "Allen Wittenauer (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HADOOP-14162) Improve release scripts to automate missing steps
Date Mon, 13 Mar 2017 14:28:41 GMT

    [ https://issues.apache.org/jira/browse/HADOOP-14162?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15907560#comment-15907560
] 

Allen Wittenauer commented on HADOOP-14162:
-------------------------------------------

One of the key virtues of a build system is to get things built the exact same way every time.
The single most important build is the release build. It needs to work the same every where,
every time.  This is the reason why create-release doesn't allow for REs to add or replace
steps.  The most it should do is allow for certain environmental changes based upon the platform....
and that's about it.

The other thing to keep in mind is that very very few people actually understand what is happening
in our build process.  This includes the vast majority of committers.  The more complex the
release process gets or allows, the more likely there are going to be huge problems down the
road.  (A great example of this is the complete disaster that is hdfs-client. See other JIRAs
elsewhere on how, year+ later, that's still being cleaned up.)

To make these points more concrete, right now your sample could potentially allow for someone
to run multiple cleans over the source tree in between phases.  This would mean that someone
could sign different versions of bits that don't correspond with each other.  That's super
bad.

> Improve release scripts to automate missing steps
> -------------------------------------------------
>
>                 Key: HADOOP-14162
>                 URL: https://issues.apache.org/jira/browse/HADOOP-14162
>             Project: Hadoop Common
>          Issue Type: Improvement
>          Components: build
>            Reporter: Elek, Marton
>            Assignee: Elek, Marton
>
> According to the conversation on the dev mailing list one pain point of the release making
is that even with the latest create-release script a lot of steps are not automated.
> This Jira is about creating a script which guides the release manager throw the proces:
> Goals:
>   * It would work even without the apache infrastructure: with custom configuration (forked
repositories/alternative nexus), it would be possible to test the scripts even by a non-commiter.
 
>   * every step which could be automated should be scripted (create git branches, build,...).
if something could be not automated there an explanation could be printed out, and wait for
confirmation
>   * Before dangerous steps (eg. bulk jira update) we can ask for confirmation and explain
the 
>   * The run should be idempontent (and there should be an option to continue the release
from any steps).  



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