attempt recovery on service CRITICAL with nrpe

[donavan nelson]

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