Hi Dejan
so, do you think that I cannot create a resource agent that
modify the confiuration file of a tool (e.g. modjk)?
or can I create a resource agent that will edit a configuration file
and restart the service?
thanks in advance
gilberto
Dejan Muhamedagic wrote:
Hi,
On Thu, Oct 22, 2009 at 07:25:27PM +0200, gilberto migliavacca wrote:
Hi
I have this problem and I'd like to know if I can solve
it using pacemaker
I have 2 nodes with apache + modjk + tomcat on both nodes,
moreover the modjk components point to the tomcat on both nodes
in this way the configuration (worker.properties) file of the modjk
keeps the information about the tomcat on the 2 nodes.
something like:
apache apache
modjk---- ---- modjk
\ /
\ /
tomcat<-- / \--> tomcat
I'd like to understand if I can modify the modjk configuration
file (worker.properties) using some pacemaker commands
in this way I can
- deactivate a node (modifying the modjk and launching a graceful
command to apache
- wait until the node finishes up all the active session
- apply a patch on the node
- restart the node
all the steps about start/stop I understood I can do it with
pacemaker, my problem is about the file modification.
Can I edit the modjk configuration file (worker.properties)
using some pacemaker commands?
thanks in advance ... sorry for this complicated question
All the cluster knows is how to start, stop, and monitor a
resource. The resource is represented and directly controlled by
the corresponding resource agent. If you can fit whatever you
want to do into a script and then have it do thing 1 on start and
thing 2 on stop and that it returns a proper status when invoked
with the monitor action (though there are also scripts which are
stateless, take a look for example at ocf:heartbeat:Dummy), then
you should be good to go. But note that one resource should not
influence the status of another resource while it's running.
Thanks,
Dejan
regards
gilberto
_______________________________________________
Pacemaker mailing list
Pacemaker@oss.clusterlabs.org
http://oss.clusterlabs.org/mailman/listinfo/pacemaker
_______________________________________________
Pacemaker mailing list
Pacemaker@oss.clusterlabs.org
http://oss.clusterlabs.org/mailman/listinfo/pacemaker
_______________________________________________
Pacemaker mailing list
Pacemaker@oss.clusterlabs.org
http://oss.clusterlabs.org/mailman/listinfo/pacemaker
