[slurm-users] Secondary Unix group id of users not being issued in interactive srun command
fritz.ratnasamy at chicagobooth.edu
Fri Jan 28 17:13:02 UTC 2022
Yes it does return the same id. See below:
johndoe at ecolonnelli:~ $ id
johndoe at ecolonnelli:~ $ id johndoe
The University of Chicago
Booth School of Business
5807 S. Woodlawn
Chicago, Illinois 60637
Phone: +(1) 773-834-4556
On Fri, Jan 28, 2022 at 2:04 AM Rémi Palancher <remi at rackslab.io> wrote:
> Le vendredi 28 janvier 2022 à 06:56, Ratnasamy, Fritz <
> fritz.ratnasamy at chicagobooth.edu> a écrit :
> > Hi,
> > I have a similar issue as described on the following link (
> https://groups.google.com/g/slurm-users/c/6SnwFV-S_Nk)A machine had some
> existing local permissions. We have added it as a compute node to our
> cluster via Slurm. When running an srun interactive session on that
> server,it would seem that the LDAP groups shadow the local groups.
> > johndoe at ecolonnelli:~ $ groups
> > Faculty_Collab ecolonnelli_access #Those are LDAP groups
> > johndoe at ecolonnelli:~ $ groups johndoe
> > johndoe : Faculty_Collab projectsbrasil core rais rfb polconnfirms
> johndoe vpce rfb_all backup_johndoe ecolonnelli_access
> The difference between the first and the second command could be the UID
> used for the resolution. The first command calls getgroups() syscall using
> the UID of the shell. The second command resolves johndoe UID through
> nsswitch stack then looks after the groups of this UID.
> Do you have johndoe declared in both local /etc/passwd and LDAP directory
> with different UID?
> Do `id` and `id johndoe` return the same UID?
> Rémi Palancher
> Rackslab: Open Source Solutions for HPC Operations
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