Single FAI server, multiple Debian versions?

[Diego Zuccato]

Tks for the fast answer.
I'll have to dig a bit deeper (never used debootstrap explicitly), so it 
will take a bit more to fully understand.

Diego

Il 16/01/2024 10:43, Henning Glawe ha scritto:
> Moin,
> 
> On Tue, Jan 16, 2024 at 10:22:42AM +0100, Diego Zuccato wrote:
>> Is it possible to use a single FAI server to install multiple Debian
>> releases (to different machines, obv)?
>>
>> I'm currently installing bullseye, but I'd like to start testing
>> bookworm deployments.
>> I can't find a howto for setting up multiple NFSROOTs (better if with no
>> changes to the current one, to avoid breaking the working setup).
> 
> You can install multiple debian (and even ubuntu) releases from the
> same nfsroot, if you run ``debootstrap`` at installtime.
> 
> All you have to do is to delete the pre-built base tarball after building
> the nfsroot and provide the right settings in your fai config.
> 
> We use a hook
> 
> --- /etc/fai/nfsroot-hooks/50remove-base-tar ---
> #!/bin/bash
> rm -f $NFSROOT/var/tmp/base.t*
> ------------------------------------------------
> 
> and set, depending on the target host classes ``$FAI_DEBOOTSTRAP`` and
> ``$FAI_DEBOOTSTRAP_OPTS``, e.g.:
> 
> --- $FAI/class/BOOKWORM.var --------------------
> #!/bin/bash
> FAI_DEBOOTSTRAP="bookworm http://mpsd-deb-bookworm.desy.de/debian"
> FAI_DEBOOTSTRAP_OPTS="--include=aptitude,gnupg"
> ------------------------------------------------
> 
> FAI then runs debootstrap with the given options when installing.
> 

-- 
Diego Zuccato
DIFA - Dip. di Fisica e Astronomia
Servizi Informatici
Alma Mater Studiorum - Università di Bologna
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