[mod_cluster-dev] Show cluster in mod-cluster-manager ?

[Paul Ferraro]

On Tue, 2010-07-06 at 16:00 +0200, Bela Ban wrote:
> 
> Paul Ferraro wrote:
> > On Tue, 2010-07-06 at 15:23 +0200, Bela Ban wrote:
> >> jean-frederic clere wrote:
> >>> On 07/06/2010 02:55 PM, Bela Ban wrote:
> >>>> A domain shows that it has node1, node2, node3, but that doesn't
> >>>> necessaily mean that node[1-3] really formed a cluster !
> >>> So you mean you want an additional information in the
> >>> /mod_cluster-manager and have something like:
> >>> Node1:
> >>> Balancer: mycluster,Domain: dom1,cluster: cluster0,...
> >>> Node2:
> >>> Balancer: mycluster,Domain: dom1,cluster: cluster0,...
> >>> node3:
> >>> Balancer: mycluster,Domain: dom1,cluster: cluster1,...
> >>> or node3:
> >>> Balancer: mycluster,Domain: dom1,cluster: ,...
> >> The information should also show the node in the cluster, e.g.
> >> Node1:
> >> Balancer: mycluster,Domain: dom1,cluster: cluster0 [Node1,Node2]
> >> Node2:
> >> Balancer: mycluster,Domain: dom1,cluster: cluster0 [Node1,Node2]
> >>
> >>
> >> We should make sure though that mod_cluster_manager doesn't get
> >> overloaded with this information... node names can get long !
> >>
> >>> Correct? ... How could we get that information? In the STATUS MCMP?
> >> Brian, Paul ?
> >
> > If you wanted this information in mod_cluster-manager, it would need to
> > be sent via STATUS ... however, in general, I don't think we should be
> > pushing any information to httpd that it would not "use" - after all, it
> > is not the appropriate place to manage a jgroups cluster.
> > Ideally JON should be the ultimate go-to source for this kind of
> > information - just as it is for all clusters in the AS.
> 
> Yes - agreed, but it'll take time to get this into JON, so meanwhile it 
> would be nice to have something in mod_cluster_manager

Though you said the information already exists, but is buried, i.e. you
need to lookup the specific HAPartition in use.  Perhaps we can make it
more accessible?