Re: Advanced network configuration

["Ludovic Courtès" <ludo@gnu.org>]

Hi!

Alexey Abramov <levenson@mmer.org> skribis:

[...]

>> I’m not sure.  IIUC, a “networking target” here could translate to a
>> Shepherd service that depends on all the relevant DHCP and static
>> networking services.  The question the becomes how to express that
>> grouping conveniently.
>
> Yes, I also would like to point out that their must be a way to
> establish a firewall, for example, *before* any network interface is up
> (After=network-pre.target in systemd [1]). And the same thing during the
> shutdown procedure (Before=network-pre.target in systemd).

I would do that by having ‘networking’ depend on ‘firewall’ (say).

Does that make sense?

It’d be interesting to see whether we need something beyond this.

> Applications have to be able to gracefully shutdown their network
> connections.  Is it the case right now, I don't know?

What do you mean?

> I am checking (shepherd services) where `shutdown-services' defined, and
> seems like it just walks across %services hash table. Am I missing
> something?

Correct, there’s nothing fancy going on there.

Thanks,
Ludo’.