[ClusterLabs] How much cluster-glue support is still needed in Pacemaker?

Dejan Muhamedagic dejanmm at fastmail.fm
Fri Nov 17 07:12:06 EST 2017


Hi,

On Fri, Nov 17, 2017 at 10:32:45AM +0100, Kristoffer Grönlund wrote:
> Ken Gaillot <kgaillot at redhat.com> writes:
> 
> > We're starting work on Pacemaker 2.0, which will remove support for the
> > heartbeat stack.
> >
> > cluster-glue was traditionally associated with heartbeat. Do current
> > distributions still ship it?
> >
> > Currently, Pacemaker uses cluster-glue's stonith/stonith.h to support
> > heartbeat-class stonith agents via the fence_legacy agent. If this is
> > still widely used, we can keep this support.
> >
> > Pacemaker also checks for heartbeat/glue_config.h and uses certain
> > configuration values there in favor of Pacemaker's own defaults (e.g.
> > the value of HA_COREDIR instead of /var/lib/pacemaker/cores). Does
> > anyone still use the cluster-glue configuration for such things? If
> > not, I'd prefer to drop this.
> 
> Hi Ken,
> 
> We're still shipping it, but mostly only for the legacy agents which we

I really wonder how did stonith agents earn the "legacy" part.
Though there's indeed a lot of duplication which is of course
unfortunate.

Cheers,

Dejan

> still use - although we aim to phase them out in favor of fence-agents.
> 
> I would say that if you can keep the fence_legacy agent intact, dropping
> the rest is OK.
> 
> Cheers,
> Kristoffer
> 
> > -- 
> > Ken Gaillot <kgaillot at redhat.com>
> >
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> 
> -- 
> // Kristoffer Grönlund
> // kgronlund at suse.com
> 
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