[katello-devel] Bundler vs rpm-gems

[Dmitri Dolguikh]

On 22/08/12 02:03 PM, Lukas Zapletal wrote:
> On Wed, Aug 22, 2012 at 10:39:18AM +0200, Petr Chalupa wrote:
>> == 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.
>>
>> 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.
>>
> Question - the very same version from which fedora version?
>
> I would like to see four gem repos instead of one. Fedora 16/17 (two
> last stable versions) and RHEL6. Plus one repo with development gems
> (versions does not matter here - we do not deploy them to the users).
> Then we would have something like:
>
> source 'http://fedorapeople.org/groups/katello/gems/f16'
> #source 'http://fedorapeople.org/groups/katello/gems/f17'
> #source 'http://fedorapeople.org/groups/katello/gems/el6'
> source 'http://fedorapeople.org/groups/katello/gems/dev'
are we developing on all of those???? or simply deploying on those?
-d
>
> Everyone could uncomment the version that should be used.
>
>> == 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.
>>
> How are you going to ensure this? This MUST be some kind of automatic
> process. I am for unpacking gems from our RPMs with a script or
> something.
>
>> 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).
> Please do not try to solve security patches - it's out of the scope
> (another sub-thread started in regard to this topic). We simply do not
> support running Katello on pure gems.
>
>> 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.
> I strongly suggest our Fedorahosted shared account. Everyone from
> katello-git FAC group has read/write access there, no limits and also
> everyone with FAC has shell on fedorapeople.org with cron.
>
> Can you describe in more detail how are you going to achieve all of the
> above?
>