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Re: Problem creating Vagrant boxes

I had also the DNS resolution problem with the latest Debian Stretch
VirtualBox image, 9.2, which was downloaded from the Vagrant Cloud.

Emmanuel Kasper:
> Le 17/11/2017 à 12:53, Christopher Huhn a écrit :
>> Dear Debian Cloud Team,
>> on the occasion of re-investigating vagrant I stumpled upon the
>> debian-vm-templates and the fai-cloud-images git repos.
>> Esp. the latter is exactly what I was looking for. Nice!> Anyhow I have the following problem (on a Stretch system) with both
>> `make stretch-image-vagrant`in fai-cloud-images and
>> `make -C vmdebootstrap-libvirt-vagrant stretch` in debian-vm-templates.
>> (This is no surprise as debian-vm-templates/helpers/vagrant-setup and
>> fai-cloud-images/config_space/scripts/VAGRANT/20-setup are more or less
>> identical.)
> Hi Christopher
> fai-cloud-images is rather a work in progress for Vagrant Images, you
> should look at debian-vm-templates for the working stuff.
> I could not reproduce your problem with debian-vm-templates and
> vmdeboostrap 1.8-1 ( dpkg -l version)
>> After the initial debootstrap further package installations fail because
>> DNS resolution does not work inside the chroot, eg.:
>>> Enabling systemctl-resolved for DNS
>>> Running customize script
>>> /data.local1/debian-vm-templates/vmdebootstrap-libvirt-vagrant/../helpers/vagrant-setup
>>> [..]
>>> + chroot /tmp/tmpUo5_fS apt-get update
>>> Err:1 http://httpredir.debian.org/debian stretch InRelease
>>>   Temporary failure resolving 'httpredir.debian.org'
>>> Reading package lists... Done
>>> W: Failed to fetch
>>> http://httpredir.debian.org/debian/dists/stretch/InRelease ; Temporary
>>> failure resolving 'httpredir.debian.org'
>>> [..]
>>> + chroot /tmp/tmpUo5_fS apt-get install -qy dctrl-tools
>>> [..] > Err:1 http://httpredir.debian.org/debian stretch/main amd64 
>> dctrl-tools amd64 2.24-2+b1
>>>   Temporary failure resolving 'httpredir.debian.org'
>>> E: Failed to fetch
>>> http://httpredir.debian.org/debian/pool/main/d/dctrl-tools/dctrl-tools_2.24-2+b1_amd64.deb ;
>>> Temporary failure resolving 'httpredir.debian.org'
>>> [..]
>>> EEEK! Something bad happened...
>> Is that a known problem?
>> My fix would be to drop the hosts /etc/resolv.conf to
>> /run/systemd/resolve/resolv.conf inside the image.
>> Reading the manpage of systemd-resolved it looks like this problem may
>> be circumvented/hidden by running systemd-resolved on the host the image
>> is built on. Probably the client will implicitly use as its
>> DNS server?
>> We are not using systemd-resolved in our setup and I cannot easily test
>> it at the moment.
>> In general it would be nice if the scripts work without relying on a
>> specific host setup anyhow.
> vmdeboostrap has the unfornate choice of using systemd-networkd as the
> default, when everything else is still us ifupdown, and I don't a lot
> about about DNS resolution is supposed to take place.
> But I am not sure that the problem comes from having systemd-resolved on
> the host. I don't have it installed and it is working here ;)
> Emmanuel

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