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Re: shellcommands not executing - lock problem?


From: Chip Seraphine
Subject: Re: shellcommands not executing - lock problem?
Date: Tue, 24 Feb 2004 13:55:24 -0600
User-agent: KMail/1.5

Having been bitten by this myself, I was wondering how important everybody 
thinks the human-readable lockfile is.  I was thinking perhaps we could use 
a hash or checksum or whatever of the command string for the lockfile name, 
and the populate the file with some informative/human-readable/debuggy 
stuff (e.g. the line number and contents of the command)....?


On Tuesday 24 February 2004 11:21, address@hidden wrote:
> Ah - perhaps it is because the strings are so similar, and cfagent 
restricts the
> keys length....they end up with the same key..
> Try reordering the options on one of the lines...?
> 
> M
> 
> On 24 Feb, Kurt Lieber wrote:
> > On Tue, Feb 24, 2004 at 05:51:22PM +0100 or thereabouts, 
address@hidden wrote:
> >> If something caused the agent to crash while the shellcommand was 
running
> >> the lock will have to wait until expiredafter time is reached before
> >> it will be removed. You can always delete the lock database to check.
> >> /var/cfengine/cfengine_lock_db
> > 
> > That's the odd thing -- the second command *never* gets run while the 
other
> > two *always* get run, even though they're in the same shellcommands 
stanza.
> > We've been trying to make it work for a couple weeks now.
> > 
> >> > shellcommands:
> >> >   _gweb.slave_webnode.slave_web_sync::
> >> >     "/bin/su - gweb -l -c '/usr/bin/rsync -rltvv --delete 
address@hidden(_master_node):$(web_stage_html)/ $(web_html)/'"
> >> >     "/bin/su - gweb -l -c '/usr/bin/rsync -rltvv --delete 
address@hidden(_master_node):$(web_stage_images)/ $(web_images)/'"
> >> >     "/bin/su - gweb -l -c '$(web_scripts)/rsync-weblogs.sh'"
> > [snip]
> >> > cfengine:nue: Nothing scheduled for 
shellcommand._gweb._bin_su___gweb__l__c___
> >> > 
usr_bin_rsync__rltvv___delete_gweb_nue_gentoo_org__var_www_www_gentoo_org_stage
> >> > _site_images___var_www_www_gentoo_org_images__ (0/1 minutes elapsed)
> > 
> > Just to make sure, I deleted /var/cfengine/cfengine_lock_db on one of 
the
> > servers and re-ran the command.  Same problem.
> > 
> > Also, this behavior is consistent across all three boxes that this
> > particular stanza runs on.  It *never* works on any of the boxes unless 
we
> > use the -K option.
> > 
> > --kurt
> 
> 
> 
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