> From: "Dan Williams" <[email protected]>
> On Tue, 2013-01-22 at 08:32 +0100, Ralf Habacker wrote:
> > Am 19.01.2013 00:52, schrieb Dan Williams:
> > > So NetworkManager pushes out *every* DHCP option in the
> > > environment of
> > > dispatcher scripts. This should be happening both on
> > > 'dhcp4-change'
> > > and 'up' events. This would be the preferred mechanism to push
> > > NTP
> > > server and other random information to other tools like ntpd. Is
> > > this
> > > not working?
> > Cannot say yet.
> > I found out that adding an entry NTPSERVERS to
> > /var/run/netconfig/NetworkManager.netconfig by hand let netconfig
> > find
> > and set ntp server.
> > Because in NetworkManager there is already code to set DNSSERVERS,
> > which
> > is somehow transfered into
> > /var/run/netconfig/NetworkManager.netconfig
> > and I added similar code for NTPSERVERS, which works for me.
> >
> > If your question is still relevant please let me know. In this case
> > I
> > need to dig more into the way opensuse deals with setting dhcp
> > options.
>
> Yeah, I'd still like to know if they do show up via dispatcher
> scripts.
I was just talking with another person (in Cc), this time about Debian Unstable.
> This is not SUSE specific; the dispatcher scripts work this way for
> NetworkManager in general.
And is ntp server and/or configuration tool agnostic. I was just looking at
chronyd integration in Fedora and that might serve as an example.
/etc/NetworkManager/dispatcher.d/20-chrony:
#!/bin/sh
export LC_ALL=C
if [ "$2" = "up" ]; then
/sbin/ip route list dev "$1" | grep -q '^default' &&
/usr/libexec/chrony-helper command online > /dev/null 2>&1
fi
if [ "$2" = "down" ]; then
/sbin/ip route list | grep -q '^default' ||
/usr/libexec/chrony-helper command offline > /dev/null 2>&1
fi
exit 0
> Typically the dispatcher script would write
> the NTP servers out to the ntpd config file and then send a signal to
> ntpd to indicate that its config had changed.
I wonder why we don't use the same technique for the list of DNS servers. This
would allow anyone to easily implement a DNS recursive server for use with
networkmanager. But I didn't look at the code
and examine the custom zone configuration.
That way we could move support for netconfig from NetworkManager code to the
dispatcher scripts and let the SUSE folks maintain it in the same way for DNS,
NTP and other stuff.
Btw, are dispatcher scripts for chrony, ntp and other programs upstreamed?
> This would not necessarily be part of netconfig.
>
> Dan
Cheers,
Pavel
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