[openstack-dev] [deployment] [oslo] [ansible] [tripleo] [kolla] [helm] Configuration management with etcd / confd

Flavio Percoco flavio at redhat.com
Thu Jun 8 16:23:23 UTC 2017


On 07/06/17 12:04 +0200, Bogdan Dobrelya wrote:
>On 06.06.2017 18:08, Emilien Macchi wrote:
>> Another benefit is that confd will generate a configuration file when
>> the application will start. So if etcd is down *after* the app
>> startup, it shouldn't break the service restart if we don't ask confd
>> to re-generate the config. It's good for operators who were concerned
>> about the fact the infrastructure would rely on etcd. In that case, we
>> would only need etcd at the initial deployment (and during lifecycle
>> actions like upgrades, etc).
>>
>> The downside is that in the case of containers, they would still have
>> a configuration file within the container, and the whole goal of this
>> feature was to externalize configuration data and stop having
>> configuration files.
>
>It doesn't look a strict requirement. Those configs may (and should) be
>bind-mounted into containers, as hostpath volumes. Or, am I missing
>something what *does* make embedded configs a strict requirement?..

mmh, one thing I liked about this effort was possibility of stop bind-mounting
config files into the containers. I'd rather find a way to not need any
bindmount and have the services get their configs themselves.

Flavio


-- 
@flaper87
Flavio Percoco
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