Re: cron problem

I'll try the simpler bash script and see what error message it gives me
next time the system is rebooted.

Thanks,

Spruce

On Tue, 7 Jun 2005 12:11:35 -0400, "Jacob Smullyan"
<[email protected]> said:
> On Tue, Jun 07, 2005 at 08:33:35AM -0700, Spruce Weber wrote:
> > The python script executed by cron to make sure skunkweb is running
> > stopped working after I was moved from one server to another.
> > 
> > The script is called restartSkunkWebIfNeeded.py, from
> > python-hosting.com, and it works when executed from my bash login.
> > 
> > In my config I noticed a sys.path.append referring to a non-existant
> > "sitelibs" directory directly under my skunkweb installation directory.
> > Could that be a problem?
> 
> No.  A non-existant directory on sys.path doesn't do any harm.
> > 
> > The path to my skunkweb installation and document root directories has
> > not changed on the new server.
> > 
> > 
> > restartSkunkWebIfNeeded.py:
> > 
> > #!/usr/local/bin/python2.1
> > 
> > # Check if SkunkWeb is running and restart it if it isn't
> > 
> > import os,sys
> > skunkHome=os.path.dirname(sys.argv[0])
> > 
> > running=0
> > try:
> >         f=open(skunkHome+'/var/run/sw.pid')
> >         pid=f.readline()
> >         f.close()
> >         res=os.popen('ps -aux | grep %s'%pid).readlines()
> >         for r in res:
> >                 if r.find('grep')==-1: running=1
> > 
> > except IOError: pass
> > 
> > if not running:
> >         os.system(skunkHome+"/bin/swmgr start")
> > 
> 
> Well, without knowing what actually fails I can't say.  I'd run this
> by Remi.  I suggest adding better error reporting to the script so you
> can tell what failed.  
> 
> Once skunkweb is up, it is really unlikely that it will go down unless
> there is a reboot.  I have never seen the papa process crash.  But
> python-hosting machines do seem to reboot from time to time, so you
> want something to make sure it comes up.
> 
> You could also use a simpler cron just to deal with reboots:
> 
>   #! /bin/bash
>   PID=/path/to/pid
>   SWMGR=/path/to/swmgr
>   
>   [ ! -f $PID ] && $SWMGR start
> 
> Very primitive, but if it dies you'll know why.
> 
> Cheers,
> 
> js
> 
> -- 
> Jacob Smullyan


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