[Pulp-dev] Integrating Katello with Pulp3 Recap

Brian Bouterse bbouters at redhat.com
Fri Jun 15 19:37:39 UTC 2018

# Update

The Katello/Pulp gap analysis mini-group met for the final time today. Here
is the full gap analysis notes documenting how Katello interacts with
Pulp[0]. There are sections labeled GAP which are specific gaps.

# Next steps

Early next week, the pulp devs involved in the gap analysis will produce a
list of problem statements and send that to pulp-dev. After that hopefully
all core developers can join one or two calls to solidify our understanding
of the problem and discuss options to resolve them.

[0]: http://projects.theforeman.org/projects/katello/wiki/PulpV3GapAnalysis


On Tue, May 22, 2018 at 6:19 PM, Brian Bouterse <bbouters at redhat.com> wrote:

> Today 4 Pulp devs and 2 Katello devs* met, and we produced this page in
> the katello wiki:   http://projects.theforeman.org
> /projects/katello/wiki/PulpV3GapAnalysis
> It includes a section for each part of the Katello UI that involves Pulp
> in any way. Some sections will be large, some small, which makes makes
> putting dates on topics challenging. We are going top-to-bottom through
> this doc, so you can see the order at least. Next time (thursday) we're
> trying to wrap up the 'Products' page of Katello. I'm told it's the largest
> of them all. Based on what I've seen so far and the total number of pages
> I've seen, we'll have 6 -8 meetings total. With two meetings / week that
> would wrap this up around June 7 or 14th.
> If anyone does specifically want to join, let jsherrill (cc'd) know; it's
> his call bridge. We are meeting Tuesdays and Thursdays from 12pm - 1pm EDT
> (4pm - 5pm UTC). All content updates will post to the wiki. Any input or
> questions via the list are welcome also.
> Specifically where we need help from other Pulp contributors is in
> answering how Pulp3 could resolve gaps discovered through this process.
> These gaps are cases where Pulp3 currently can't support Katello's existing
> workflows. We'll bring back a list of these gap areas to this list once we
> get a bit further through this process.
> *: jsherrill, paji, daviddavis, ttereshc, dkliban, bmbouter
> -Brian
> On Thu, May 17, 2018 at 3:43 PM, Robin Chan <rchan at redhat.com> wrote:
>> +1 to the schedule - we have folks who will likely head up different
>> efforts and we will want them to participate.
>> On Thu, May 17, 2018 at 3:32 PM, Brian Bouterse <bbouters at redhat.com>
>> wrote:
>>> Today @dkliban, @daviddavis, and I met with two Katello developers,
>>> @jsherrill and @paji, to talk through some of the integration of Katello
>>> and Pulp3. Here is a recap of what we discussed, a goal we identified, and
>>> next steps.
>>> # What we discussed
>>> We went through Katello's UI and learned about:
>>> - the various filtering needs of Katello. Pulp is pretty well setup to
>>> do this already. I say filtering because the value is being matched,
>>> compared, substring matched, etc for a specific field. They need to filter
>>> by a group of repositories. For example, show me all RPM packages that are
>>> in repositories X, Y, and Z as one filter. Similarly show me all RPM
>>> packages that are in repository versions W, Q, T.
>>> - full text search. Katello needs to be able to search for a term,
>>> full-text style across some set of tables. Pulp does not have this
>>> currently. It would be limited to some tables; knowing which tables need to
>>> be searched would always be known.
>>> - "groups of repos". Katello subscribes a machine to a "set of repos"
>>> all of which Katello treats as one thing. This allows the client to stay
>>> subscribed to one set of content which makes repo protection easier because
>>> you don't have to change certs constantly. Then the content in those repos
>>> is what changes. This means when Katello does something it typically
>>> involves that same operation for a group of repos.
>>> - applicability. There are calculations that Katello has done above and
>>> beyond Pulp even in Pulp2. Pulp should be able to run all calculations that
>>> Katello needs to avoid them having to reindex the content to run those same
>>> calculations.
>>> # A goal identified
>>> To move work into Pulp such that Katello never needs to reindex Pulp's
>>> content.
>>> # Next Steps
>>> We're going to map out the existing Katello application page-by-page and
>>> capture use cases for each. We will do this over a series of meetings,
>>> two-per week. At our next meeting we are outlining a schedule of all the
>>> pages.
>>> For each item we will outline a very-brief technical plan (a few words)
>>> of the steps katello will take when interacting with Pulp for each. We will
>>> also clearly sort use cases into those that have all the necessary Pulp
>>> parts already in place and those that Pulp cannot yet fulfill.
>>> Our next report will contain the list of topics with a proposed schedule
>>> of the first few and what they will cover. This will likely live on the
>>> wiki.
>>> Comments, ideas, discussion, concerns, etc are all welcome.
>>> _______________________________________________
>>> Pulp-dev mailing list
>>> Pulp-dev at redhat.com
>>> https://www.redhat.com/mailman/listinfo/pulp-dev
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