[openstack-dev] [kolla] propose to remove COPY_ONCE feature
paul.bourke at oracle.com
Thu Dec 1 10:29:56 UTC 2016
While I would be interested to know how many people actually do use
COPY_ONCE, I think if I was in charge of a production deployment I would
On 01/12/16 02:27, Jeffrey Zhang wrote:
> Kolla has a config_strategy option during deployment. it supports
> COPY_ONCE and
> COPY_ALWAYS. which means whether copy the configuration files defined in
> config.json again during starting containers.
> COPY_ALWAYS: copy all configuration files always during every start (
> value now )
> COPY_ONCE: copy only once for the first start, then it
> won't copy even the configuration is changed
> COPY_ALWAYS is more common for most users. change configuration, then
> containers and it works. but COPY_ONCE is not. after changing the
> should remove the container and start it again.
> for COPY_ONCE, the pro is keeping immutability of the container. the con is
> making thing difficult. no matter for kolla code or end-user.
> I am curiosity does end-user really care about the immutability cause by
> configuration file? how many user really need such a feature?
> So I propose to remove COPY_ONCE.
> any idea is welcome ;)
> Jeffrey Zhang
> Blog: http://xcodest.me <http://xcodest.me/>
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