[slurm-users] partition qos without managing users

[egonle at posteo.me]

ok, I understand synching of users to slurm database is a task which it 
not built-in, but could be added outside of slurm :-)

With regards to the QoS or Partition QoS setting I've tried several 
settings and configurations however it was not possible at all to 
configure a QoS on partition level only without not adding specific 
users to the slurm database.
Either I don't understand the docs properly or there is no configuration 
option to limit jobs with e.g. cpu=4 globally on a partition.

Could anybody share a configuration which set partition QoS (e.g. cpu=8) 
without managing users or a configuration to silently change the job QoS 
using job_submit.lua again without maintaining users within slurm 
database?


Thanks

> Date: Mon, 20 Nov 2023 14:37:11 -0800
> From: Brian Andrus <toomuchit at gmail.com>
> To: slurm-users at lists.schedmd.com
> Subject: Re: [slurm-users] partition qos without managing users
> Message-ID: <2f421687-40aa-4e35-bf9d-3f31984adadc at gmail.com>
> Content-Type: text/plain; charset=UTF-8; format=flowed
> 
> You would have to do such syncing with your own scripts. There is no 
> way
> slurm would be able to tell which users should have access and what
> access without the slurmdb and such info is not contained in AD.
> 
> At our site, we iterate through the group(s) that are slurm user groups
> and add the users if they do not exist. We also delete users when they
> are removed from AD. This does have the effect of losing job info
> produced by said users, but since we export that into a larger historic
> repository, we don't worry about it.
> 
> So simple case is to iterate through an AD group which your slurm users
> belong to and add them to slurmdbd. Once they are in there, you can set
> defaults with exceptions for specific users.
> If you are only looking to have settings apply to all users, you don't
> have to import the users. Set the QoS for the partition.
> 
> Brian Andrus
> 
> On 11/20/2023 1:45 PM, egonle at posteo.me wrote:
>> Hello,
>> 
>> I'd like to configure some sort of partition QoS so that the number of
>> jobs or cpus is limited for a single user.
>> So far my testing always depends on creating users within the
>> accounting database however I'd like to avoid managing each user and
>> having to create or sync _all_ LDAP users also within Sturm.
>> Or - are there solutions to sync LDAP or AzureAD users to the Slurm
>> accounting database?
>> 
>> Thanks for any input.
>> 
>> 
>> Best - Eg.
>> 
>> 
> 
>