Re: [Condor-users] Condor as virtual cron job scheduler

[Dan Bradley <dan@xxxxxxxxxxxx>]

You could run a script periodically that advertises into the machine 
ClassAd what cnames the machine has.  This sort of thing can be easily 
accomplished with STARTD_CRON.  So, in the machine ad, you might have 
something like this:

cnames = "name1,name2,..."

The job can then be set up to require a machine with a cname matching 
the one you want for that job.  The requirements might look something 
like this:

+desired_cname = "blah"
requirements = stringListIMember(MY.desired_cname,TARGET.cnames)

The timing of the job can be controlled via the cron-related submit 
commands.

I hope that helps.

--Dan

On 5/20/11 12:04 PM, phiroc@xxxxxxx wrote:
> Hello,
>
> I would like to run a batch job at set times on a remote machine whose name is contained in a DNS cname (ie, alias). There's no way to know the remote machine name or IP address in advance.
>
> Can this be done in Condor?
>
> Furthermore, is it possible to cache jobs on remote machines in case the server machine on which the Condor scheduler is running is unavailable?
>
> Many thanks.
>
> Best regards,
>
> Philippe
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