[pve-devel] [RFC] CentOS, Rocky, Alma 10

[pve-devel] [RFC] CentOS, Rocky, Alma 10

[Peter via pve-devel]

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From: Peter <pjcreath+proxmox@gmail.com>
To: pve-devel@lists.proxmox.com
Subject: [RFC] CentOS, Rocky, Alma 10
Date: Wed, 10 Sep 2025 16:04:43 -0400
Message-ID: <CADbnQj4SkX=D+zBN0oMEr1g+K0+oooEU1YWnH5PF-f5vH0NNeQ@mail.gmail.com>

After seeing the thread on Debian 13.1, I wanted to ask what the process is
for adding container support for version 10 of the various RHEL families?

As to the mechanics, similar to Trixie, there's a version check that blocks
installing a container running el10:

--- LXC/Setup/CentOS.pm.orig 2025-09-10 15:57:05.961409961 -0400

+++ LXC/Setup/CentOS.pm 2025-09-06 16:22:18.589570360 -0400

@@ -23,5 +23,5 @@



     if (($release =~ m/release\s+(\d+\.\d+)(\.\d+)?/) || ($release =~
m/release\s+(\d+)/)) {

-        if ($1 >= 5 && $1 < 10) {

+        if ($1 >= 5 && $1 < 11) {

             $version = $1;

         }

That lets me install version 10, but then I get a warning each time the
container starts.  It turns out the pattern matching for systemd version is
a little too strict in LXC/Setup/Base.pm:get_systemd_version:

            if ($line =~
/libsystemd-shared-(\d+)(?:[-.][a-zA-Z0-9]+)*\.so:?$/) {

This worked fine for version 9 and earlier, as their .so line looked like
"libsystemd-shared-256.so".  But as of version 10, the .so line is now "
libsystemd-shared-257-9.0.1.el10_0.1.so".  The "el10_0" throws off the
regular expression.

Would it be preferable to loosen the pattern in Base.pm or to copy
get_systemd_version into CentOS.pm and revise the pattern there?

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Re: [pve-devel] [RFC] CentOS, Rocky, Alma 10

[Thomas Lamprecht]

Am 10.09.25 um 22:04 schrieb Peter:
> After seeing the thread on Debian 13.1, I wanted to ask what the process is
> for adding container support for version 10 of the various RHEL families?
 
Sometimes it's enough to bump the accepted upper version limit, but that
won't cut it for the RHEL 10 based derivatives, as there the support for
the network configuration in the ifcfg format we previously used for RHEL
family got removed.

FWIW there is a patch series that includes the required changes [0], I
started review and had some local clean ups on top in prepared but not
yet fully finished. If you, or someone else, can test the mentioned series
it should help to accelerate things a bit.

[0]: https://lore.proxmox.com/all/mailman.338.1755988247.385.pve-devel@lists.proxmox.com/

> As to the mechanics, similar to Trixie, there's a version check that blocks
> installing a container running el10:
> 
> --- LXC/Setup/CentOS.pm.orig 2025-09-10 15:57:05.961409961 -0400
> 
> +++ LXC/Setup/CentOS.pm 2025-09-06 16:22:18.589570360 -0400
> 
> @@ -23,5 +23,5 @@
> 
> 
> 
>      if (($release =~ m/release\s+(\d+\.\d+)(\.\d+)?/) || ($release =~
> m/release\s+(\d+)/)) {
> 
> -        if ($1 >= 5 && $1 < 10) {
> 
> +        if ($1 >= 5 && $1 < 11) {
> 
>              $version = $1;
> 
>          }
> 
> That lets me install version 10, but then I get a warning each time the
> container starts.  It turns out the pattern matching for systemd version is
> a little too strict in LXC/Setup/Base.pm:get_systemd_version:
> 
>             if ($line =~
> /libsystemd-shared-(\d+)(?:[-.][a-zA-Z0-9]+)*\.so:?$/) {
> 
> This worked fine for version 9 and earlier, as their .so line looked like
> "libsystemd-shared-256.so".  But as of version 10, the .so line is now "
> libsystemd-shared-257-9.0.1.el10_0.1.so".  The "el10_0" throws off the
> regular expression.
> 
> Would it be preferable to loosen the pattern in Base.pm or to copy
> get_systemd_version into CentOS.pm and revise the pattern there?

The aforementioned series also addresses this, that patch got already
applied IIRC:

https://lore.proxmox.com/all/mailman.334.1755988211.385.pve-devel@lists.proxmox.com/


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