[openstack-dev] [Nova][Cinder] Operations: adding new nodes in "disabled" state, allowed for test tenant only

Ivan Kolodyazhny e0ne at e0ne.info
Wed Dec 3 14:02:24 UTC 2014


Hi Mike,

We've got the similar option in Cinder too:
https://github.com/openstack/cinder/blob/master/cinder/db/api.py#L58


Regards,
Ivan Kolodyazhny

On Wed, Dec 3, 2014 at 3:31 PM, Mike Scherbakov <mscherbakov at mirantis.com>
wrote:

> Hi all,
> enable_new_services in nova.conf seems to allow add new compute nodes in
> disabled state:
>
> https://github.com/openstack/nova/blob/master/nova/db/sqlalchemy/api.py#L507-L508,
> so it would allow to check everything first, before allowing production
> workloads host a VM on it. I've filed a bug to Fuel to use this by default
> when we scale up the env (add more computes) [1].
>
> A few questions:
>
>    1. can we somehow enable compute service for test tenant first? So
>    cloud administrator would be able to run test VMs on the node, and after
>    ensuring that everything is fine - to enable service for all tenants
>    2. What about Cinder? Is there a similar option / ability?
>    3. What about other OpenStack projects?
>
> What is your opinion, how we should approach the problem (if there is a
> problem)?
>
> [1] https://bugs.launchpad.net/fuel/+bug/1398817
> --
> Mike Scherbakov
> #mihgen
>
>
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>
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