58 lines
2.1 KiB
Nix
58 lines
2.1 KiB
Nix
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{ config, tools, pkgs } :
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let
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inherit (tools.networking) interface address udhcpc odhcpc;
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inherit (tools.services) oneshot longrun bundle output;
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in rec {
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services.loopback =
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let iface = interface { type = "loopback"; device = "lo";};
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in bundle {
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name = "loopback";
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contents = [
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(address iface { family = "inet4"; addr ="127.0.0.1";})
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(address iface { family = "inet6"; addr ="::1";})
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];
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};
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services.dhcpv4 =
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let iface = interface { type = "hardware"; device = "eth0"; };
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in udhcpc iface {};
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services.dhcpv6 =
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let iface = interface { type = "hardware"; device = "eth0"; };
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in odhcpc iface { uid = "e7"; };
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services.ntp = longrun {
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# the simplest approach at the consumer end is to require the
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# producer to create a file per output variable.
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name = "ntp";
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run = let s = services;
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r = "${pkgs.ntp}/bin/ntp $(cat ${output s.dhcpv4 "ntp_servers"}) $(cat ${output s.dhcpv6 "NTP_IP"})";
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in (builtins.trace r r);
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# I don't think it's possible to standardise the file names
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# generally, as different services have different outputs, but it
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# would be cool if services that provide an interface could use
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# the same name as each other. e.g. for anything implementing
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# addressProvider you might expect (output svc "address") or
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# (output svc "family") to work. Otherwise switching a network link
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# from static to dhcp might require reviewing all the downstreams
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# that refer to it.
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# Also, services should declare the outputs they provide
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outputs = [];
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dependencies = [services.dhcpv4];
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};
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services.defaultroute4 =
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let s = services;
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in oneshot {
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name = "defaultroute4";
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up = ''
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ip route add default gw $(cat ${output s.dhcpv4 "address"})
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echo "1" > /sys/net/ipv4/$(cat ${output s.dhcpv4 "ifname"})
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'';
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down = ''
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ip route del default gw $(cat ${output s.dhcpv4 "address"})
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echo "0" > /sys/net/ipv4/$(cat ${output s.dhcpv4 "ifname"})
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'';
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};
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systemPackages = [ pkgs.hello ] ;
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}
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