Re: [HTCondor-users] python3-condor-23.7.0-0.724340.el8.x86_64 RPM problem

[Tim Theisen <tim@xxxxxxxxxxx>]

Hello Stuart,

We recently added new code for cmake to determine the actual Python in 
use on the system and use that. For the Enterprise Linux distros (CentOS 
Stream, Alma, Rocky), fresh installs of HTCondor work for both EL8 and 
EL9. Upgrade installs work for EL9. As you have noticed, upgrade 
installs for EL8 fail. This is likely a defect in dnf.

We will have to resolve this before the code freeze.

...Tim

On 4/4/24 19:38, Anderson, Stuart B. wrote:
> [root@condor-f4 ~]# cat /etc/redhat-release
> Rocky Linux release 8.9 (Green Obsidian)
>
> [root@condor-f4 ~]# dnf install python3-condor-23.7.0-0.724340.el8.x86_64
> Last metadata expiration check: 1:48:07 ago on Thu 04 Apr 2024 03:39:43 PM PDT.
> Error:   Problem: conflicting requests
>    - nothing provides /bin/python3 needed by python3-condor-23.7.0-0.724340.el8.x86_64 from htcondor-23.x-daily
> (try to add '--skip-broken' to skip uninstallable packages or '--nobest' to use not only best candidate packages)
>
> which is a bit strange since,
>
> [root@condor-f4 ~]# rpm -qf /bin/python3
> python36-3.6.8-38.module+el8.5.0+671+195e4563.x86_64
> python3.11-3.11.5-1.el8_9.x86_64
> python39-3.9.18-1.module+el8.9.0+1581+c29ce980.x86_64
>
> however, dnf provides /bin/python3 only returns matches for /usr/bin and not /bin,
>
> [root@condor-f4 ~]# dnf provides /bin/python3
> Last metadata expiration check: 1:52:15 ago on Thu 04 Apr 2024 03:39:43 PM PDT.
> python3.11-3.11.5-1.el8_9.i686 : Version 3.11 of the Python interpreter
> Repo        : powertools
> Matched from:
> Filename    : /usr/bin/python3
>
> python3.11-3.11.5-1.el8_9.x86_64 : Version 3.11 of the Python interpreter
> Repo        : @System
> Matched from:
> Filename    : /usr/bin/python3
>
> python3.11-3.11.5-1.el8_9.x86_64 : Version 3.11 of the Python interpreter
> Repo        : appstream
> Matched from:
> Filename    : /usr/bin/python3
>
> python36-3.6.8-38.module+el8.5.0+671+195e4563.x86_64 : Interpreter of the Python programming language
> Repo        : @System
> Matched from:
> Filename    : /usr/bin/python3
>
> python36-3.6.8-38.module+el8.5.0+671+195e4563.x86_64 : Interpreter of the Python programming language
> Repo        : appstream
> Matched from:
> Filename    : /usr/bin/python3
>
> python38-3.8.17-2.module+el8.9.0+1418+f0d66789.x86_64 : Interpreter of the Python programming language
> Repo        : appstream
> Matched from:
> Filename    : /usr/bin/python3
>
> python39-3.9.18-1.module+el8.9.0+1581+c29ce980.x86_64 : Version 3.9 of the Python interpreter
> Repo        : @System
> Matched from:
> Filename    : /usr/bin/python3
>
> python39-3.9.18-1.module+el8.9.0+1581+c29ce980.x86_64 : Version 3.9 of the Python interpreter
> Repo        : appstream
> Matched from:
> Filename    : /usr/bin/python3
>
>
> Presumably there is some package ownership/dependency confusion over the symbolic link tree,
>
> [root@condor-f4 ~]# ls -l /bin/python3
> lrwxrwxrwx. 1 root root 25 Jun  1  2022 /bin/python3 -> /etc/alternatives/python3
> [root@condor-f4 ~]# ls -l /usr/bin/python3
> lrwxrwxrwx. 1 root root 25 Jun  1  2022 /usr/bin/python3 -> /etc/alternatives/python3
> [root@condor-f4 ~]# ls -l /etc/alternatives/python3
> lrwxrwxrwx. 1 root root 18 Jun  1  2022 /etc/alternatives/python3 -> /usr/bin/python3.6
> [root@condor-f4 ~]# ls -l /usr/bin/python3.6
> lrwxrwxrwx. 1 root root 31 Nov  9  2021 /usr/bin/python3.6 -> /usr/libexec/platform-python3.6
> [root@condor-f4 ~]# ls -l /usr/libexec/platform-python3.6
> -rwxr-xr-x 2 root root 11872 Jan 15 15:11 /usr/libexec/platform-python3.6
>
>
> Note, this system does have a previous 23.7.0 build installed,
>
> [root@condor-f4 ~]# rpm -q python3-condor
> python3-condor-23.7.0-0.722311.el8.x86_64
>
> Thanks.
>
> â
> Stuart Anderson
> sba@xxxxxxxxxxx
>
>
>
>
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--
Tim Theisen (he, him, his)
Release Manager
HTCondor & Open Science Grid
Center for High Throughput Computing
Department of Computer Sciences
University of Wisconsin - Madison
4261 Computer Sciences and Statistics
1210 W Dayton St
Madison, WI 53706-1685
+1 608 265 5736