[openstack-dev] [Nova] Configuration validation
ndipanov at redhat.com
Mon Nov 11 12:38:22 UTC 2013
On 11/11/13 12:55, John Garbutt 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.
This is a valid point that makes me think that there might be some
upgrade implications to such an approach that we might want to consider
> 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  for more detail on how it's connected to that specific topic).
>> Several ideas were thrown around during the session mostly documented in
>> There are a few more cases when something like this could be useful (see
>> bug  and related patch ), and I was wondering if a slightly
>> different approach might be useful. For example use an already existing
>> validation hook in the service class  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 - I
>> am bringing this up here so that we can agree on the approach, before
>> raising another one to solve the same problem.
>>  https://etherpad.openstack.org/p/T4tQMQf5uS
>>  https://bugs.launchpad.net/nova/+bug/1243614
>>  https://review.openstack.org/#/c/53303/
>>  http://git.openstack.org/cgit/openstack/nova/tree/nova/service.py#n283
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