[katello-devel] Foreman integration and Elastic search

[Tomas Strachota]

On 11/21/2012 04:22 PM, Dmitri Dolguikh wrote:
> On 21/11/12 03:13 PM, Bryan Kearney wrote:
>> On 11/20/2012 02:28 PM, Lukas Zapletal wrote:
>>> On Tue, Nov 20, 2012 at 05:04:54PM +0200, Ohad Levy wrote:
>>>> On 11/20/2012 04:05 PM, Dmitri Dolguikh wrote:
>>>>> We are about to start using Elastic search for lookups on Foreman data
>>>>> on Katello side. Up until this moment Katello didn't persist any
>>>>> Foreman-related data at all.
>>>>>
>>>>> This introduces what is essentially a long-term cache, but without any
>>>>> form of cache control or cache validation. Another issue is this
>>>>> breaks
>>>>> Foreman modularization, with Katello now being responsible for some of
>>>>> the Foreman data.
>>>>>
>>>>> I think this functionality should be moved to Foreman (or Foreman's
>>>>> existing functionality improved) and exposed via introduction of
>>>>> search
>>>>> functionality in Foreman's API.
>>>>>
>>>>>
>>>>> Thoughts?
>>>> If we introduce ES updates as callback filters would that work?
>>>>
>>>> if that works, it sounds like a plan for foreman rails engine /
>>>> plugin which adds more callbacks?
>>>
>>> I like this more than integrating ES with Foreman in Katello, but please
>>> let's do NOT use HTTP/REST for that and leverage messaging for this.
>>> This is typical case for fire-and-forget pattern which is much more
>>> reliable than playing around with http requests.
>>>
>> Dmitri, is the issue here that we have no object inthe katello db?
>
> One of the issues, yes. The larger problem is that we are losing a clear
> separation between Katello and Foreman (if only on UI side). It appears
> that we might need tighter integration (Justin pointed out that
> combining elastic search results in the model I proposed would be hard)
> -- perhaps we should look into adopting Foreman-as-rails-engine
> approach: integration would be simpler (faster too, I'd wager).
>
> -d

Pardon my ignorance but I'm afraid I still didn't understand the issue. 
How is it different from what we do with records in Pulp? Some models 
are also stored completely on Pulp's side without having a bit in 
Katello db but still we index them with ES.

T.


>
>>
>> -- bk
>>
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