[Openstack-sigs] [meta] Proposal for self-healing SIG

Flavio Percoco flavio at redhat.com
Wed Sep 20 09:19:26 UTC 2017

On 20/09/17 11:05 +0200, Bogdan Dobrelya wrote:
>On 19.09.2017 22:53, Adam Spiers wrote:
>> Hi Andrea,
>> Andrea Frittoli <andrea.frittoli at gmail.com> wrote:
>>> On Sun, Sep 17, 2017 at 11:34 PM Adam Spiers <aspiers at suse.com> wrote:
>>>> [TL;DR: we want to set up a "self-healing infrastructure" SIG.]
>>> Nice!
>>>> One of the biggest promises of the cloud vision was the idea that all
>>>> the infrastructure could be managed in a policy-driven fashion,
>>>> reacting to failures and other events by automatically healing and
>>>> optimising services.  Most of the components required to implement
>>>> such an architecture already exist, e.g.
>> [snipped]
>>>> However, there is not yet a clear strategy within the community for
>>>> how these should all tie together.
>>>> So at the PTG last week in Denver, we held an initial cross-project
>>>> meeting to discuss this topic.[0]  It was well-attended, with
>>>> representation from almost all of the relevant projects, and it felt
>>>> like a very productive session to me.  I shall do my best to summarise
>>>> whilst trying to avoid any misrepresentation ...
>>> I'm sorry that I missed the session at the PTG :)
>> Sorry that I didn't think to invite QA ;-)
>>> Do you have any plan / idea yet about how verification might look
>>> like for the integration between all the projects in your list and
>>> for self-healing specific scenarios?
>> That's a great question!  But honestly - not yet.  It's a little early
>> for that, as we've hardly started identifying the various use cases
>> yet - that would be one of the first steps after formally establishing
>> the SIG.
>IMO, we should leverage existing specialized frameworks, like Jepsen
>[0]. The Nemesis component supports *much* failure modes. The example
>test scenarios and associated publications cover many existing database
>and messaging solutions. Although community could contribute for the
>latter as well, like adding RabbitMQ RPC example test cases to the repo,
>or for a fork at least, I think the Nemesis "disruptor" would benefit us
>the most.
>[0] https://github.com/jepsen-io/jepsen

I like this idea and +1 to using jepsen :D

Looking forward to see the results of this SIG!

Flavio Percoco
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