attempt recovery on service CRITICAL with nrpe

[Jamin]

It does not matter the order in this case.
Test it out.  As long as the grep is striped out before you do the word 
count, you are cool.

-Jamin

On Wed, 22 Jan 2003, donavan nelson wrote:

> you have that backwards...
> 
> ERS=`ps -eaf | grep -v grep | grep ns-slapd | wc -l`
> 
> should be
> ERS=`ps -eaf | grep ns-slapd | grep -v "grep" | wc -l`
> 
> the second grep "could" make an appearance.
> 
> --
> Donavan Nelson
> 4wx Networks
> www.4wx.net
> 
> ---------- Original Message -----------
> From: Jamin <jragle at unm.edu>
> To: donavan nelson <donavan at 4wx.net>
> Sent: Wed, 22 Jan 2003 17:38:40 -0700 (MST)
> Subject: Re: [Nagios-users] attempt recovery on service CRITICAL with nrpe
> 
> > Since I'm checking an ldap service (iplanet) I changed the code like 
> > so. Since I could I went ahead and returned the number of supposed 
> > processes running minus the grep count.
> > 
> > here is my modified script:
> > #!/bin/sh
> > 
> > ERS=`ps -eaf | grep -v grep | grep ns-slapd | wc -l`
> > 
> > if [ $ERS -gt 1 ] 
> >   then
> >     /bin/echo "LDAP OK - LDAP running $ERS processes"
> >     exit 0
> > fi
> > 
> > if [ $ERS -eq 0 ]
> >   then
> >     sleep 10
> >     ERSLATE=`ps -eaf | grep -v grep | grep ns-slapd | wc -l`
> >     if [ $ERSLATE -eq 0 ]
> >       then 
> >         /sbin/service ldap start
> >       else
> >         /bin/echo "LDAP OK - LDAP running $ERS processes"
> >         exit 0
> >     fi
> >     /bin/echo "LDAP CRITICAL - not running, attempted to restart"
> >     exit 2
> > fi
> > 
> > IT seems to be working great.  We shall see...  
> > Hopefully we get this bug tracted down why the iplanet server keeps 
> > crashing...
> > -Jamin
> > 
> > On Wed, 22 Jan 2003, donavan nelson wrote:
> > 
> > > I'll try this again and include the list :)
> > > 
> > > I would really clean up the following a bit.  
> > > 
> > > ERS=`ps -eaf | grep ersjsf | wc -l`
> > > 
> > > This removes the ambiguity of counting the grep process
> > > 
> > > ERS=`ps -ef | grep ersjsf | grep -v  "grep" -c`
> > > 
> > > Because the way your script is written, the first grep could return 0 and you
> > > would fall out and exit with 0.
> > > 
> > > .dn
> > > --
> > > Donavan Nelson
> > > 4wx Networks
> > > www.4wx.net
> > > 
> > > ---------- Original Message -----------
> > > From: Rasmus Plewe <rplewe at ess.nec.de>
> > > To: nagios-users at lists.sourceforge.net
> > > Sent: Thu, 23 Jan 2003 00:16:12 +0100
> > > Subject: Re: [Nagios-users] attempt recovery on service CRITICAL with nrpe
> > > 
> > > > Hello,
> > > > 
> > > > On Wed, Jan 22, 2003 at 10:23:49AM -0700, Jamin wrote:
> > > > > Hey all,
> > > > > 	I was wondering if any of you have tried to use nrpe to fix 
> > > > > problems on systems before any paging occurs.  Basically I have an LDAP 
> > > > > service running on a remote machine and I would like to set up nagios
> with 
> > > > > nrpe to try to restart the service when it detects that it has gone down.
> > > > 
> > > > if you don't mind an example without the context, where you have to
> > > > extract the principle yourself:
> > > > 
> > > > #!/bin/sh
> > > > 
> > > > ERS=`ps -eaf | grep ersjsf | wc -l`
> > > > 
> > > > if [ $ERS -eq 2 ] || [ $ERS -eq 3 ]
> > > >   then
> > > >     /bin/echo "ERS OK - ERS running"
> > > >     exit 0
> > > > fi
> > > > 
> > > > if [ $ERS -eq 1 ]
> > > >   then
> > > >     sleep 20
> > > >     ERSLATE=`ps -eaf | grep ersjsf | wc -l`
> > > >     if [ $ERSLATE -eq 1 ]
> > > >       then
> > > >         /etc/rc2.d/S99ers start
> > > >       else
> > > >         /bin/echo "ERS OK - ERS running" 
> > > >         exit 0 
> > > >     fi
> > > >     /bin/echo "ERS CRITICAL - not running, attempted to restart"
> > > >     exit 2
> > > > fi
> > > > 
> > > > Regards,
> > > >          Rasmus
> > > > 
> > > > -------------------------------------------------------
> > > > This SF.net email is sponsored by: Scholarships for Techies!
> > > > Can't afford IT training? All 2003 ictp students receive 
> > > > scholarships. Get hands-on training in Microsoft, Cisco, Sun,
> > > >  Linux/UNIX, and more. www.ictp.com/training/sourceforge.asp
> > > _______________________________________________
> > > > Nagios-users mailing list
> > > > Nagios-users at lists.sourceforge.net
> > > > https://lists.sourceforge.net/lists/listinfo/nagios-users
> > > ------- End of Original Message -------
> > > 
> > > 
> > > 
> > > -------------------------------------------------------
> > > This SF.net email is sponsored by: Scholarships for Techies!
> > > Can't afford IT training? All 2003 ictp students receive scholarships.
> > > Get hands-on training in Microsoft, Cisco, Sun, Linux/UNIX, and more.
> > > www.ictp.com/training/sourceforge.asp
> > > _______________________________________________
> > > Nagios-users mailing list
> > > Nagios-users at lists.sourceforge.net
> > > https://lists.sourceforge.net/lists/listinfo/nagios-users
> > > 
> > 
> > ----------------------------------------------------------------------
> > Jesus must have been a party animal that none could match to this 
> > day. Think about it.  When I get slobering drunk I sometimes wake up 
> > face down in the hallway in the Hokona dorm.  He woke up on a cross. 
> >  Man, that hang over must have sucked.  No wonder people thought he 
> > was dead.                                                  -- March 
> > 12th, 1999
> > ----------------------------------------------------------------------
> ------- End of Original Message -------
> 
> 
> 
> -------------------------------------------------------
> This SF.net email is sponsored by: Scholarships for Techies!
> Can't afford IT training? All 2003 ictp students receive scholarships.
> Get hands-on training in Microsoft, Cisco, Sun, Linux/UNIX, and more.
> www.ictp.com/training/sourceforge.asp
> _______________________________________________
> Nagios-users mailing list
> Nagios-users at lists.sourceforge.net
> https://lists.sourceforge.net/lists/listinfo/nagios-users
> 

______________________________________________________________________
Tautology -- "A tautology is a thing which is tautological."
                                                   -- Unknown
______________________________________________________________________



-------------------------------------------------------
This SF.net email is sponsored by: Scholarships for Techies!
Can't afford IT training? All 2003 ictp students receive scholarships.
Get hands-on training in Microsoft, Cisco, Sun, Linux/UNIX, and more.
www.ictp.com/training/sourceforge.asp