[LEDE-DEV] procd init script questions ...

[Dirk Brenken]

Am Mittwoch, den 30.11.2016, 21:29 +0100 schrieb Jo-Philipp Wich:

Hi Jo,

thank you very much for clarification and a quite good example.

br
dirk
 
> Hi Dirk,
> 
> > That does not work for me. 
> > 
> > root at adb2go:/etc/config$ uci set firewall. at zone[1].mtu_fix='0'
> > root at adb2
> > go:/etc/config$ uci changes firewall
> > firewall.cfg06dc81.mtu_fix='0'
> > root@
> > adb2go:/etc/config$ uci commit firewall
> 
> there is no inotify-esque tracking of those files.
> 
> What the trigger does is registering the uci file as change source
> for
> the service so that an "/etc/init.d/firewall reload" or an
> "reload_config" would trigger a firewall restart in case the
> /etc/config/firewall got changed since the last reload.
> 
> > > > 3. Is it possible to replace normal hotplug-script
> > > > functionality
> > > > with
> > > > 'service_triggers', i.e for iface/ifup events?
> > > 
> > > yes
> > 
> > a working example would help a lot.
> 
> See package/utils/busybox/files/sysntpd, it does the following to
> reload
> the Busybox ntpd in case any netifd-tracked interface changes:
> 
> procd_add_interface_trigger "interface.*" $n /etc/init.d/$name reload
> 
> Which translates to:
> 
> For any ubus event "interface.*" (e.g. interface.up, or
> interface.down)
> where the value of the event's "interface" attribute is "$n", issue
> the
> "/etc/init.d/$name reload" command.
> 
> 
> HTH,
> Jo
> 
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