[ClusterLabs Developers] FYI: Proposal for pacemaker API direction

[Ken Gaillot]

On Tue, 2019-02-05 at 18:24 +0100, Gao,Yan wrote:
> On 2/5/19 7:50 AM, Kristoffer Grönlund wrote:
> > On Mon, 2019-02-04 at 18:43 -0600, Ken Gaillot wrote:
> > > Hi all,
> > > 
> > > Anyone who works on the Pacemaker code base might be interested
> > > in
> > > this
> > > pull request from Chris Lumens:
> > > 
> > >   https://github.com/ClusterLabs/pacemaker/pull/1696
> > > 
> > > It's a simple idea but lays the groundwork for the future
> > > direction
> > > of
> > > the pacemaker C API.
> > > 
> > 
> > Hi Ken (and Chris, if you're on the mailing list),
> > 
> > This looks great! I have been thinking about doing something
> > similar
> > mainly to get a more tools-friendly library that could also be
> > exposed
> > to Python etc. So this looks really good to me.
> 
> Would it make sense to move useful functions/logic now in the tools
> into 
> the external library, for example some functions now in crm_mon
> helping 
> with parsing/displaying of cluster status? Eventually if the
> external 
> library becomes very easy to be used and is simply exposed with 
> python/go/whatever wrappers, any consumers would get the consistent 
> functionality and even the current pacemaker CLIs would probably
> become 
> thin wrappers as well.

Yes! That would be the ideal.

No one's likely to have time to do it all at once, but we can move in
that direction over time, as we work on different bits of code.

> 
> Regards,
>    Yan
-- 
Ken Gaillot <kgaillot at redhat.com>