On Tuesday, January 28, 2014 6:16:41 AM UTC-6, Krist van Besien wrote:
>
> Hello,
>
> I am using the Radez/Paxemaker modules, and this allows me to define a
> cluster like this:
>
> class {'pacemaker::corosync':
> cluster_name => $control_clu_name,
> cluster_members => $control_clu_members,
> require => [ Package['ccs'],
> }
>
> I currently define the cluster name and members in two parameters. If I
> add a host to the cluster I just add it's name to the $control_clu_members
> parameter.
> Is there a way however to do this automatically? Have every host that has
> this class declared on export something, and use this. Is there a way one
> can use exported resources to construct strings to be used as rvalues?
>
>
Not any good ways. In any case, that idea doesn't look like a good fit for
the module in question. A quick examination leads me to believe that it
will set up the cluster only once (on each node that has the
pacemaker::corrosync class). The resources exported by a given node are
not available for collection until after the node has checked in at least
once, however, so even if you could collect information that they exported,
most nodes would initially get have an incomplete list of cluster members.
And that would stick. To use that module effectively, it looks like you
need to be able to enumerate the cluster members in advance.
John
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