[Pacemaker] How to send email-notification on failure of resource in cluster frame work

[Michael Schwartzkopff]

> On Mar 29, 2011 6:12 AM, "Michael Schwartzkopff" <misch at clusterbau.com>
> 
> wrote:
> > > On Tue, Mar 29, 2011 at 3:29 AM, Vadym Chepkov <vchepkov at gmail.com>
> 
> wrote:
> > > > On Mar 24, 2011, at 12:46 AM, Rakesh K wrote:
> > > >> Hi ALL
> > > >> Is there any way to send Email notifications when a resource is
> 
> failure
> 
> > > >> in the cluster frame work.
> > > >> 
> > > >> while i was going through the Pacemaker-explained document provided
> 
> in
> 
> > > >> the website www.clusterlabs.org
> > > >> 
> > > >> There was no content in the chapter 7 --> which is sending email
> > > >> notification events.
> > > >> 
> > > >> can anybody help me regarding this.
> > > >> 
> > > >> for know i am approaching the crm_mon --daemonize --as-html <path ot
> > > >> fil> to maintain the status of HA in html file.
> > > >> 
> > > >> Is there any other approach for sending email notification.
> > > > 
> > > > Last time I checked, crm_mon is not well suited for this purpose.
> > > > 
> > > > crm_mon has the following option
> > > > 
> > > >       -T, --mail-to=value
> > > >       
> > > >              Send  Mail  alerts  to  this  user.    See   also
> > > > 
> > > > --mail-from, --mail-host, --mail-prefix
> > > > 
> > > > But you will end-up with obscene amount of e-mails, I was blocked
> > > > from gmail when I tried to use it once :) For one resource failure
> > > > you will get 4 e-mails: monitor,stop,start,monitor. Now imagine if
> > > > it was a
> 
> most
> 
> > > > significant member of a group or worse, node failure...
> > > > 
> > > > nagios would be better suited for this purpose, but, unfortunately,
> > > > crm_mon is broken
> > > > (http://developerbugs.linux-foundation.org/show_bug.cgi?id=2344) for
> > > > quite awhile.
> > > 
> > > The fix is going to have to come from the community, I don't have any
> > > knowledge of nagios
> > > 
> > > > I am yet to find a good monitoring solution for pacemaker, hopefully
> > > > somebody had more success and will share.
> > 
> > Use SNMP. It is the standard protocol for monitoring. Add a "extend" line
> 
> to
> 
> > your snmpd.conf to call a script that returns the number of failcounts.
> 
> You
> 
> > can easily monitoring this with every NMS. For nagios use check_snmp.
> 
> I afraid it won't be able to tell more then "stuff happened" :(
> Would it?

Yes. Like a good NMS always does. To analyse the error you still have to read 
the logs yourself.

-- 
Dr. Michael Schwartzkopff
Guardinistr. 63
81375 München

Tel: (0163) 172 50 98
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