[openstack-dev] [Nova] Configuration validation

Gary Kotton gkotton at vmware.com
Mon Nov 11 12:31:23 UTC 2013

I think that John has a very valid point. My understanding from the
session was that this should be a stand alone tool that will also work
across services, that is, if neutron is configured then it will check that
the neutron credentials are correct.

On 11/11/13 1:55 PM, "John Garbutt" <john at johngarbutt.com> wrote:

>I like the idea of a more general config validation phase to help
>people when first starting out.
>My worry is that it would slow down the starting back up of servers
>for people deploying their code using CI, where the have already
>verified their configuration. But maybe its so fast I don't care, but
>I just felt I should raise that.
>On 11 November 2013 11:44, Nikola Đipanov <ndipanov at redhat.com> wrote:
>> Hey all,
>> During the summit session on the the VMWare driver roadmap, a topic of
>> validating the passed configuration prior to starting services came up
>> (see [1] for more detail on how it's connected to that specific topic).
>> Several ideas were thrown around during the session mostly documented in
>> [1].
>> There are a few more cases when something like this could be useful (see
>> bug [2] and related patch [3]), and I was wondering if a slightly
>> different approach might be useful. For example use an already existing
>> validation hook in the service class [4] to call into a validation
>> framework that will potentially stop the service with proper
>> logging/notifications. The obvious benefit would be that there is no
>> pre-run required from the user, and the danger of running a
>> misconfigured stack is smaller.
>> Since there is already a blueprint raised based on the etherpad [1]- I
>> am bringing this up here so that we can agree on the approach, before
>> raising another one to solve the same problem.
>> Thanks,
>> Nikola
>> [1] https://etherpad.openstack.org/p/T4tQMQf5uS
>> [2] https://bugs.launchpad.net/nova/+bug/1243614
>> [3] https://review.openstack.org/#/c/53303/
>> [4] 
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