[HTCondor-users] executable in docker universe?

[Dimitri Maziuk <dmaziuk@xxxxxxxxxxxxx>]

Hi all,

what should the "executable" be in submit file where universe = docker,
specifically how is it supposed to work with ENTRYPOINT and CMD?

My test job works with
 executable =
 arguments = "-i <filename>"

i.e. the same way I'd run the container from command line as its
ENTRYPOINT lists the executable and invariant arguments.

So it looks like "arguments" are passed as CMD? Or concatenated
"executable + arguments"?

Please fix the fine manual as what it currently says
(https://htcondor.readthedocs.io/en/v8_8_5/users-manual/docker-universe-applications.html):
'''
The executable file can come from one of two places: either from within
the containerâs image, or it can be a script transfered from the submit
machine to the scratch directory of the execute machine. To specify the
former, use an absolute path (starting with a /) for the executable...
'''
does not actually work: with
 executable = /usr/bin/python
 arguments = "-s -u /mystuff.egg -c /mystuff.conf -i <filename>"

the job fails with
'''
mystuff.egg: error: unrecognized arguments: /usr/bin/python -s -u
/mystuff.egg
'''
and the usage message from argparse.

-- 
Dimitri Maziuk
Programmer/sysadmin
BioMagResBank, UW-Madison -- http://www.bmrb.wisc.edu

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