[katello-devel] Bundler vs rpm-gems

[Dmitri Dolguikh]

On 22/08/12 09:48 AM, Dmitri Dolguikh wrote:
> Hey Petr,
> I have a fix for this in my local branch, using aeolus' bundler_ext 
> [1] (which is now a gem). The only thing remaining is to create an rpm 
> for the gem, and make some minor changes to katello.spec.
>
> We can chat more if you'd like...
>
> [1] https://github.com/aeolus-incubator/bundler_ext
>
> -d
>
> On 22/08/12 09:39 AM, Petr Chalupa wrote:
>> Hi,
>>
>> as Ivan and Lukas said on mail-list, I had some ideas how to solve 
>> our bundler/rpm issues. Then I had discussion with Ivan and Mirek and 
>> here is the proposed solution.
>>
>> == Requirements
>>
>> When installing on fedora/rhel in production. Do not mess with the 
>> production setup, rpm gems are used, 'bundle install' wont install 
>> anything else.
>>
>> When installing on fedora/rhel in development. 'bundle install' 
>> prefers rpm-gems even if there is a newer gem in our gem-repo [2]. 
>> Additional development dependencies are installed.

Just realized that bundler supports this too. Create a group for 
development dependencies, install katello from rpm, run 'bundler install 
development' to install development-only gems.

-d

>>
>> When installing on any other system (Debian, Ubuntu, Mac, ...) in 
>> development. 'bundle install' installs the same versions of gems as 
>> would be installed on fedora. Optionally (at least made it possible 
>> in the future) 'bundle install' installs not only the same versions 
>> but also gems including security fixes included in rpm-gems.
>>
>> == Proposal
>>
>> I'll add monkey patch to katello/master for bundler which will ensure 
>> that rpm-gems are preferred (even if they are older than gems in a 
>> gem-repo). It's based on bkabrda's patch [1].
>>
>> I'll ensure that our gem repo [2] contains all gems needed for 
>> katello development (some are still missing). This enables katello 
>> (rails app) to be installed on any system without rubygems.org.
>>
>> I would like to work on this in the next iteration. Also I would like 
>> to explore how difficult would be to create gem versions with 
>> security patches (which is important for non fedora development - me).
>>
>> We also discussed it would be nice to move our gem-repo to github a 
>> publish it on pages.github. The repo would be more visible. It would 
>> allow us to use pull-requests for tracking new gem-dependencies. It 
>> would be on one place.
>>
>> Petr
>>
>> [1] https://gist.github.com/2875212
>> [2] http://repos.fedorapeople.org/repos/katello/gems/
>>
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>
>
>
>
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