gluon/package/gluon-core/luasrc/lib/gluon/upgrade/820-dns-config

#!/usr/bin/lua
local site = require 'gluon.site_config'
local uci = require('simple-uci').cursor()

dnsmasq=uci:get_first("dhcp", "dnsmasq")

uci:set('dhcp', dnsmasq, 'localise_queries', true)
uci:set('dhcp', dnsmasq, 'localservice', false)

if site.dns and site.dns.servers then
	uci:set('dhcp', dnsmasq, 'server', site.dns.servers)
else
	uci:delete('dhcp', dnsmasq, 'server')
end

if site.dns and site.dns.cacheentries then
	uci:set('dhcp', dnsmasq, 'cachesize', site.dns.cacheentries)
else
	uci:delete('dhcp', dnsmasq, 'cachesize')
end

if site.next_node and site.next_node.name and site.next_node.ip4 then
	uci:section('dhcp','domain','nextnode4',{
		name=site.next_node.name,
		ip=site.next_node.ip4,
	})
else
	uci:delete('dhcp', 'domain', 'nextnode4')
end

if site.next_node and site.next_node.name and site.next_node.ip6 then
	uci:section('dhcp','domain','nextnode6',{
		name=site.next_node.name,
		ip=site.next_node.ip6,
	})
else
	uci:delete('dhcp', 'domain', 'nextnode6')
end
uci:save('dhcp')