Open Stack

According to https://docs.openstack.org/developer/nova/cells.html#first-time-setup
you can specify database connection string with map_cell0 command:

nova-manage cell_v2 map_cell0 --database_connection \
  mysql+pymysql://root:secretmysql@dbserver/nova_cell0?charset=utf8

Regards,

Alfredo

On Fri, May 26, 2017 at 5:15 PM, Massimo Sgaravatto
<massimo.sgaravatto at gmail.com> wrote:
> 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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>
>
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