Re: [Condor-devel] Is Redefining OpSys a Good Idea?

[Nick LeRoy <nleroy@xxxxxxxxxxx>]

On Tuesday, September 13, 2011 12:36:58 PM Douglas Thain wrote:
> Howdy -
> 
> I am about ready to throw in the towel on Linux compatibility.
> 
> Programs compiled on RHEL5 don't run on RHEL6, and going
> between Red Hat and Debian is a joke.  Our users get upset
> every year during the upgrade cycle when nobody knows whether
> their jobs will run correctly.
> 
> We are already defining a custom attribute redhat_version which
> is pulled from /etc/redhat-release via the startd cron, but everyone
> forgets to do this and gets burned eventually.  I also don't see an obvious
> way to programmatically get redhat_version into SUBMIT_EXPRS so
> it matches automatically but also allows the smart user to remove the
> requirement.
> 
> In principle, I can just redefine OpSys to be "RHEL5" or "DEBIAN" instead
> of "LINUX" in STARTD_EXPRS and SUBMIT_EXPRS, to make
> it abundantly clear to users that these are completely different systems.
> 
> However, is this a good idea?
> 
> Is OpSys hard coded anywhere that would prevent this from working?
> 
> Does anyone have a better solution to dealing with the Linux mess?

See https://condor-wiki.cs.wisc.edu/index.cgi/tktview?tn=2366,21 .

-Nick

-- 
           <<< The matrix has you. >>>
 /`-_    Nicholas R. LeRoy               The Condor Project
{     }/ http://www.cs.wisc.edu/~nleroy  http://www.cs.wisc.edu/condor
 \    /  nleroy@xxxxxxxxxxx              The University of Wisconsin
 |_*_|   608-265-5761                    Department of Computer Sciences