Re: [Condor-users] using submit node in RANK expression

["David A. Kotz" <dkotz@xxxxxxxxxxxxx>]

Matt Hope wrote:
> On 1/12/06, Anton Kucherov <anton-k@xxxxxxxxxx> wrote:
>
> > Hi,
> >
> > There is a way. In part 3 of condor_config there is a part called Rank.
> > There you should remove the # and write Owner == "MachinesName".
> > You could also change it to rank other machines higher than certain
> > machines.
> > For example:
> > RANK                    = (Owner == "coltrane")
> > Or:
> > RANK = (Owner == "coltrane") + (Owner == "tyner") \
> >                 + ((Owner == "garrison") * 10) + (Owner == "jones")
> > This means that garrison will have higher ranking then coltrane, tyner
> > and jones, and they will have higher ranking then the others(The example
> > is taken from the condor_config itself. It's actually very
> > clear-written).
> > After you do the change you need to run condor_reconfig.
>
>
> This will only affect jobs from specific people (not from a specific
> machine as requested) so unless you enforce this on the submission end
> (submitssions on this machine all come from specific user who has no
> access to the other schedd's in the pool).
>
> The schedd machine name of the job in question is technically
> available but I can't remember if it's use within the startd Rank
> statement will work (this should be a feature request if it doesn't),
> condor_q -l does not supply it directly as a name value pair on the
> job (at least on 6.6 - not sure on 6.7).
>
> If not in windows the NTDomain *is* included (do condor_q  <job id> -l
>  to see all the attributes you have at your disposal, perhaps some
> unix related attribute can be bent to your purpose) so you could be
> tricky on this.
>
> Matt
>
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Matt and Anton,

Thanks for the suggestions.  You reminded me of the subsystem expressions,

http://www.cs.wisc.edu/condor/manual/v6.7/3_3Configuration.html#param:SubsysExprs

including the one that's actually documented in the condor_config:


  ##  If you want condor_submit to automatically append expressions to
  ##  the job ClassAds it creates, you can uncomment and define the
  ##  SUBMIT_EXPRS setting.  It works just like the STARTD_EXPRS
  ##  described above with respect to ClassAd vs. config file syntax,
  ##  strings, etc.  One common use would be to have the full hostname
  ##  of the machine where a job was submitted placed in the job
  ##  ClassAd.  You would do this by uncommenting the following lines:
  #MACHINE = "$(FULL_HOSTNAME)"
  #SUBMIT_EXPRS = MACHINE

This should meet my needs, as it's apparently intended for just such uses.

- dave