Re: [HTCondor-users] condor_ssh_to_job broken with 8.8 on CentOS 7

[Greg Thain <gthain@xxxxxxxxxxx>]

On 2/26/19 11:48 AM, Oliver Freyermuth wrote:
> Dear Greg,
>
> Am 26.02.19 um 18:31 schrieb Oliver Freyermuth:
> > So probably, this only fails for interactive jobs, since the sleep is 
> > reaped before we attach?
> > I can't test witha batch job right now since I am already in the 
> > middle of the downgrade (and we still lack a proper test setup), but 
> > I'll try.
>
> Indeed that's the case. Replacing "-a" with "-m -p -u -U" via a 
> wrapper (thanks Christoph!) makes attaching to running non-interactive 
> batch jobs via condor_ssh_to_job
> almost work.
> However, attaching to the user namespace fails:
> nsenter: reassociate to namespace 'ns/user' failed: Invalid argument 


If your singularity is configured to launch containers with the setuid 
wrapper (the default), you don't want the -U in the command line options 
for nsenter.


-greg