[Nix-dev] add ubuntu support to debootstrap

[Rok Garbas]

1. it wouldn't hurt to have both. maybe even to package mkosi[1].

2. systemd-nspawn) is patched a bit to add one additional init script
(you can check what nixos-container script does), but i think it
should (by default) work as in upstream. if nothing i can confirm your
error that running debian/ubuntu via debootstrap and systemd-nspawn
fails with error you provided. i think best would be to open an issue
(if it doesn't exist already) for this and lets get this working.

[1] https://github.com/systemd/mkosi



On Sun, Oct 23, 2016 at 5:20 AM, Stefan Huchler <stefan.huchler at mail.de> wrote:
> Hi,
>
> I made a ubuntu version of the debootstrap installer, which adds support
> to ubuntu releases.
>
> I could upload that "debootstrap-ubuntu" version to github and open a PR
> for it.
>
> But I wonder if that makes sense, cause the debootstrap version of
> ubuntu comes with the scripts for debian and ubuntu.
>
> So why not just use that version of debootstrap instead of the one from
> debian directly?
>
> diff pkgs/tools/misc/debootstrap-ubuntu/default.nix pkgs/tools/misc/debootstrap/default.nix
> 28,29c28,29
> <   name = "debootstrap-ubuntu-${version}";
> <   version = "1.0.81ubuntu3";
> ---
>>   name = "debootstrap-${version}";
>>   version = "1.0.80";
> 34,35c34,35
> <     url = "http://archive.ubuntulinux.org/ubuntu/pool/main/d/debootstrap/debootstrap_${version}.tar.gz";
> <     sha256 = "41b05a43fcb066543213d92e5f3d4e7e59ecfa09079e5c05eff311f813a24aa3";
> ---
>>     url = "mirror://debian/pool/main/d/debootstrap/debootstrap_${version}.tar.gz";
>>     sha256 = "06gigscd2327wsvc7n7w2m8xmaixvp4kyqhayn00qrgd9i9w34x6";
> 79c79
> <     cat >> $out/bin/debootstrap-ubuntu << EOF
> ---
>>     cat >> $out/bin/debootstrap << EOF
> 87c87
> <     chmod +x $out/bin/debootstrap-ubuntu
> ---
>>     chmod +x $out/bin/debootstrap
> 90c90
> <     mv debootstrap.8 $out/man/man8/debootstrap-ubuntu.8
> ---
>>     mv debootstrap.8 $out/man/man8
> 98,99c98,99
>
> thats basicly what I did, it installs / runs and works just had to
> disable pgp check:
>
> debootstrap-ubuntu --no-check-gpg xenial ubuntu
> I: Retrieving InRelease
> I: Retrieving Packages
> ....
> I: Base system installed successfully.
>
>
> this is neat especialy because the machinectl pull-tar functionality
> doesnt work too, so this is a good method to get systemd-nspawn
> compatible build.
>
> Well or is it?
>
> $ sudo systemd-nspawn -b -D ubuntu/
> Spawning container ubuntu on /home/black/virt/ubuntu.
> Press ^] three times within 1s to kill container.
> /etc/localtime does not point into /usr/share/zoneinfo/, not updating container timezone.
> Cannot be run in a chroot() environment.
> Freezing execution.
>
> Well is nspawn buggy in nixos? that should work as far as I know.
>
> So sorry now thats 2 topics:
> 1. would it make sense to use the ubuntu-debootstrap version (with the
> scripts from ubuntu) or should I make a PR for the ubuntu-version?
> 2. is systemd-nspawn working?
>
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-- 
Rok Garbas
https://garbas.si