Ubuntu 18.04: netplan support

[Justin Cattle]

We have quite a lot invested in ifupdown - we won't be using netplan for
servers on bionic.

I know that's not a helpful response, but if you decide not to use netplan
you won't be the only people :)


Cheers,
Just


On Wed, 17 Oct 2018 at 15:11, John G Heim <jheim at math.wisc.edu> wrote:

> Well, I pulled a Bart Simpson. I tried for about 10 minutes and gave up.
>
> Bakc with Ubuntu 16.04, I tried modifying the old networking script
> using the ifclass command. If the UBUNTU class was defined, it generated
> a /etc/netplan/10-interfaces file. Otherwise, it ran the old code to
> generate a /etc/networking/interfaces file.
>
> I think the reason I couldn't get it to work was because of a bug in
> NetworkManager. It looked like NetworkManager would neither make that
> interface work nor release it so it could be configured by netplan. This
> was a long time ago and my memory is a little fuzzy but I recall typing
> in network manager commands to try to get it to stop managing the
> interface, it saying it wasn't managing the interface, while at the same
> time, a listing of the interfaces it managed showed the interface. Now
> that I think about it, I believe I worked on it for way more than 10
> minutes because I recall doing a file-by-file comparison of the configs
> from a regular Ubuntu install and an FAI install and finding no
> difference. The files in /etc were identical yet it worked in a normal
> install of Ubuntu but not in the FAI install.
>
> I finally just added ifupdown to the packages installed during an Ubuntu
> install. So I've been subverting Ubuntu's normal network config process
> for years now. I just don't do it the way Ubuntu would normally do it. I
> figure when/if Debian switched to netplan, the FAI developers will
> modify FAI to account for it.
>
> Now that you've brought it up though, I might give it another try when I
> upgrade all of my workstations to Ubuntu 18.10 during semester break in
> January. If I get it to work, I can post a howto here.
>
>
>
>
> On 10/17/18 8:05 AM, Robert Markula wrote:
> > Hi,
> >
> > I'm currently in the process of updating tried-and-trusted FAI 4.2.5 to
> > 5.7.2 and completely reworking the config space in the process, starting
> > with the examples provided by fai-doc (which, btw, has been quite a
> > surprisingly pleasant experience so far, as fewer customization is
> > necessary in order to support different distributions as it was the case
> > with the ancient 4.2.5 version. Nice!)
> >
> > Two questions arose so far:
> >
> > 1. Is the 'UBUNTU' class intended to be complementing the 'DEBIAN' class
> > or does it completely replace the DEBIAN class?
> >
> > 2. Ubuntu 18.04 now uses a different network configuration utility
> > called 'netplan' [1]. However, I don't see support for that in the
> > example configspace. So while a Ubuntu Bionic host can be successfully
> > installed using the 'FAIBASE UBUNTU DEMO' classes, it has no network
> > connectivity as the netplan configuration is missing from the examples.
> > Has anybody successfully integrated netplan support yet?
> >
> >
> > Robert
> >
> > [1] https://netplan.io
> >
>

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