[Openstack-operators] nova_cell0 database connection string

Massimo Sgaravatto massimo.sgaravatto at gmail.com
Fri May 26 15:15:23 UTC 2017


Thanks

I guess you meant "nova db with cell0 appended" and not "nova_api db with
cell0 appended" as you wrote

My use case is that I share the same percona cluster to host the databases
of multiple openstack installations. So if it is <nova-database-name>-cell0
this is fine. If instead it is hard-coded to nova-cell0,  we have a problem

Thanks again, Massimo


2017-05-26 17:04 GMT+02:00 Mike Lowe <jomlowe at iu.edu>:

> The whole cell thing tripped me up earlier this week.  From what I
> understand it’s hard coded in the upgrade scripts to be the same as the
> nova_api db with cell0 appended to the db name but there is a patch in to
> change this behavior to match what the install docs say.  So it looks like
> if you just put the nova_cell0 db on the same host and make the credentials
> match your nova db everything will just work out.  You can double check by
> looking at the cell_mapping table entries in your nova_api db.
>
>
> On May 26, 2017, at 10:56 AM, Massimo Sgaravatto <
> massimo.sgaravatto at gmail.com> wrote:
>
> Hi
>
> I am reading the RDO installation guide for Ocata. In the nova section [*]
> it is explained how to create the nova_cell0 database, but I can't find how
> to set the relevant connection string in the nova configuration file.
> Any hints ?
> Thanks, Massimo
>
>
> [*]
> https://docs.openstack.org/ocata/install-guide-rdo/nova-
> controller-install.html
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