virtual network interfaces in container

virtual network interfaces in container

[Giovanni Biscuolo]

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Hello devel!

please is there any wip on implementing virtual network interfaces in
"guix system container"s?

AFAIU now the only way to have a container with virtualized network
interfaces is to use "guix system docker-image", right?

Thanks!
Giovanni

-- 
Giovanni Biscuolo

Xelera IT Infrastructures

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Re: virtual network interfaces in container

[Thompson, David]

On Wed, Feb 13, 2019 at 12:55 PM Giovanni Biscuolo <g@xelera.eu> wrote:
>
> Hello devel!
>
> please is there any wip on implementing virtual network interfaces in
> "guix system container"s?

Not that I know of. I punted on that when I wrote the container
implementation because it's a lot of extra work and complexity.  It
can certainly be added if someone were to put in the effort to figure
out what needs to be done.  IIRC there are some bindings to C
libraries that may be needed.

- Dave

Re: virtual network interfaces in container

[Christopher Baines]

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Giovanni Biscuolo <g@xelera.eu> writes:

> please is there any wip on implementing virtual network interfaces in
> "guix system container"s?
>
> AFAIU now the only way to have a container with virtualized network
> interfaces is to use "guix system docker-image", right?

So, a while back, I did send a patch to at least allow sharing the hosts
network, just like the --network flag to guix environment.

The patch is here [1], unfortunately, it's been a while since I looked
at it. I should really try and neaten it up and get it merged in, but
it's there if that's useful to you.

1: https://debbugs.gnu.org/cgi/bugreport.cgi?bug=28128

Chris

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Re: virtual network interfaces in container

[Giovanni Biscuolo]

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Hello David,

"Thompson, David" <dthompson2@worcester.edu> writes:

[...]

>> please is there any wip on implementing virtual network interfaces in
>> "guix system container"s?
>
> Not that I know of. I punted on that when I wrote the container
> implementation because it's a lot of extra work and complexity.  It
> can certainly be added if someone were to put in the effort to figure
> out what needs to be done.

OK thank you for the information

Giovanni

[...]

-- 
Giovanni Biscuolo

Xelera IT Infrastructures

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Re: virtual network interfaces in container

[Giovanni Biscuolo]

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Hello Chris,

Christopher Baines <mail@cbaines.net> writes:

[...]

> So, a while back, I did send a patch to at least allow sharing the hosts
> network, just like the --network flag to guix environment.

this would be a nice feature!
we still couldn't have isolated network interfaces per container but
it's a very useful feature

having declaratively managed "guix system container"s [1] is great but
they are not so useful without networking, or am I missing some
important use case here?

> The patch is here [1], unfortunately, it's been a while since I looked
> at it. I should really try and neaten it up and get it merged in, but
> it's there if that's useful to you.
>
> 1: https://debbugs.gnu.org/cgi/bugreport.cgi?bug=28128

I've looked at it but AFAIU your patch
https://debbugs.gnu.org/cgi/bugreport.cgi?bug=28128#8 is still to be
reworked https://debbugs.gnu.org/cgi/bugreport.cgi?bug=28128#14

sorry but I'm still not able to test and adapt it to Guix, I cannot help
here

[...]

Thanks!
Giovanni

[1] although I still miss the possibility to nest a container/VM
<operating-system> declaration in the host configuration.scm... but we
can work it out

-- 
Giovanni Biscuolo

Xelera IT Infrastructures

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