Re: [HTCondor-users] Need help in classads

[Steven Timm <timm@xxxxxxxx>]

Then I think the right thing to do is to use the cloud-init scripts that
are supported by Amazon and several open source clouds to tag the VM in 
some way as it is being started, so you could for instance append some
field into the machine classad at boot time to tag the first node.

Steve


On Mon, 4 May 2015, Sridhar Thumma wrote:

> Thanks alot for quick reply.
>
> Correct me if I am wrong. My application(java code) will start these worker nodes before starting the vanilla jobs and terminates after
> executing jobs. so, I can't add hostname in condor files becoz they will change for each startup. So, fixing hostname won't solve my issue.
> make sense?
> However, I will use your fix to show proper name in condor pool.
>
> On Mon, May 4, 2015 at 7:41 PM, Steven Timm <timm@xxxxxxxx> wrote:
>       Hi Sridhar--I have been able to successfully show EC2 grid nodes
>       host name in the condor pool.. what we had to do was to hack
>       the '/bin/hostname' command to correctly show the ip address
>       that they presented to the outside world.
>
>       Steve Timm
>
>
>       On Mon, 4 May 2015, Sridhar Thumma wrote:
>
>       Hi,
>       Scenario: I have two worker nodes running. I want to execute particular vanilla job (MYJOB_TYPE) only in one specific node.
>       How to do that? Two
>       worker nodes will have same configuration like memory/cpus/OpSysLegacy and etc. I want to differentiate worker nodes somehow.
>
>       worker nodes won't be having proper hostname. there are ec2 grid nodes. when I execute condor_status in central manager, I
>       can see that name is
>       set to "Name = "slot1@"" andÂMachine = "".Â
>
>       Can you please give some pointer onÂ
>       Â*Â what should I add in vanilla condor file
> Â*Â what should I add in worker node configuration file
>
> ThankQ
>
>
>
> ------------------------------------------------------------------
> Steven C. Timm, Ph.DÂ (630) 840-8525
> timm@xxxxxxxx http://home.fnal.gov/~timm/
> Office: Feynman Computing Center 243
> Fermilab Scientific Computing Division,
> Scientific Computing Facilities Quadrant.,
> Experimental Computing Facilities Dept.,
> Project Lead for Virtual Facility Project.
>
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------------------------------------------------------------------
Steven C. Timm, Ph.D  (630) 840-8525
timm@xxxxxxxx  http://home.fnal.gov/~timm/
Office: Feynman Computing Center 243
Fermilab Scientific Computing Division,
Scientific Computing Facilities Quadrant.,
Experimental Computing Facilities Dept.,
Project Lead for Virtual Facility Project.