[slurm-users] SLURM PAM support?
hearnsj at googlemail.com
Mon Jun 18 06:33:37 MDT 2018
Your problem is that you are listening to Lennart Poettering...
I cannot answer your question directly. However I am doing work at the
moment with PAM and sssd.
Have a look at the directory which contains the unit files. Go on
See that nice file named -.slice Yes that file is absolutely needed, it
is not line noise.
Now try to grep on the files in that directory, since you might want to
create a new systemd unit file based on an existing one.
Yes, a regexp guru will point out that this is trivial. But to me creating
files that look like -.slice is putting your head in the lion's mouth.
On 18 June 2018 at 14:15, Maik Schmidt <maik.schmidt at tu-dresden.de> wrote:
> we're currently in the process of migrating from RHEL6 to 7, which also
> brings us the benefit of having systemd. However, we are observing problems
> with user applications that use e.g. XDG_RUNTIME_DIR, because SLURM
> apparently does not really run the user application through the PAM stack.
> The consequence is that SLURM jobs inherit the XDG_* environment variables
> from the login nodes (where sshd properly sets it up), but on the compute
> nodes, /run/user/$uid does not exist, leading to errors whenever a user
> application tries to access it.
> We have tried setting UsePam=1, but that did not help.
> I have found the following issue on the systemd project regarding exactly
> this problem: https://github.com/systemd/systemd/issues/3355
> There, Lennart Poettering argues that it should be the responsibility of
> the scheduler software (i.e. SLURM) to run user code only within a proper
> PAM session.
> My question: does SLURM support this? If yes, how?
> If not, what are best practices to circumvent this problem on
> RHEL7/systemd installations? Surely other clusters must have already had
> the same issue...
> Thanks in advance.
> Maik Schmidt
> HPC Services
> Technische Universität Dresden
> Zentrum für Informationsdienste und Hochleistungsrechnen (ZIH)
> Willers-Bau A116
> D-01062 Dresden
> Telefon: +49 351 463-32836
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