On Sat, Dec 1, 2012 at 1:07 AM, Florian Crouzat <gen...@floriancrouzat.net> wrote: > Le 29/11/2012 22:10, Andrew Beekhof a écrit : > > >> Not so fast :-) >> >> crm_mon supports >> >> -E, --external-agent=value >> A program to run when resource operations take place. >> >> -e, --external-recipient=value A recipient for your program >> (assuming you want the program to send something to someone). >> >> so without recompiling, you can call a script - possibly it could call >> something that sends out snmp alerts ;-) > > > > Oh, great! > > I had a hard time understanding these two options and how they relate, you > helped me on IRC but I'll reply here so there is a trace in case someone is > also interested.
Thanks for that. I really need to make some time to document this. > > Here is my resource: > > primitive ClusterMon ocf:pacemaker:ClusterMon \ > params user="root" update="30" extra_options="-E > /usr/local/bin/foo.sh -e 192.168.1.2" \ > op monitor on-fail="restart" interval="10" \ > meta target-role="Started" > clone ClusterMon-clone ClusterMon > > Here is the content of my script: > > $ cat /usr/local/bin/foo.sh > > #!/bin/bash > > ( > echo CRM_notify_recipient $CRM_notify_recipient > echo CRM_notify_node $CRM_notify_node > echo CRM_notify_rsc $CRM_notify_rsc > echo CRM_notify_task $CRM_notify_task > echo CRM_notify_desc $CRM_notify_desc > echo CRM_notify_rc $CRM_notify_rc > echo CRM_notify_target_rc $CRM_notify_target_rc > echo CRM_notify_status $CRM_notify_status > echo > ) > /tmp/pacemaker.log > > Finally, this is the resulting log of one execution. The script is executed > on each cluster operation/transition (monitor, stop, start) etc. > > $ cat /tmp/pacemaker.log > > CRM_notify_recipient 192.168.1.2 > CRM_notify_node scoresby2.lyra-network.com > CRM_notify_rsc F > CRM_notify_task monitor > CRM_notify_desc ok > CRM_notify_rc 0 > CRM_notify_target_rc 0 > CRM_notify_status 0 > > One just has to do some scripting with these variables to match its needs. > In my case, I guess I want a SNMP trap whenever CRM_notify_rc != 0. > > Thanks > > > -- > Florian Crouzat > > _______________________________________________ > Pacemaker mailing list: Pacemaker@oss.clusterlabs.org > http://oss.clusterlabs.org/mailman/listinfo/pacemaker > > Project Home: http://www.clusterlabs.org > Getting started: http://www.clusterlabs.org/doc/Cluster_from_Scratch.pdf > Bugs: http://bugs.clusterlabs.org _______________________________________________ Pacemaker mailing list: Pacemaker@oss.clusterlabs.org http://oss.clusterlabs.org/mailman/listinfo/pacemaker Project Home: http://www.clusterlabs.org Getting started: http://www.clusterlabs.org/doc/Cluster_from_Scratch.pdf Bugs: http://bugs.clusterlabs.org
