forked from DGNum/liminix
67 lines
2.3 KiB
Nix
67 lines
2.3 KiB
Nix
{ config, pkgs, ... } :
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let
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inherit (pkgs.liminix.networking) interface address udhcpc odhcpc route;
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inherit (pkgs.liminix.services) oneshot longrun bundle target 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"; address ="127.0.0.1"; prefixLength = 8;})
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(address iface { family = "inet6"; address ="::1"; prefixLength = 128;})
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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 inherit (services) dhcpv4 dhcpv6;
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in "${pkgs.ntp}/bin/ntpd $(cat ${output dhcpv4 "ntp_servers"}) $(cat ${output dhcpv6 "NTP_IP"})";
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# I don't think it's possible to standardise the file names
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# generally, as different services have different outputs, but it
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# would be cool if services that provide an interface could use
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# the same name as each other. e.g. for anything implementing
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# addressProvider you might expect (output svc "address") or
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# (output svc "family") to work. Otherwise switching a network link
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# from static to dhcp might require reviewing all the downstreams
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# that refer to it.
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# Also, services should declare the outputs they provide
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outputs = [];
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dependencies = [services.dhcpv4];
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};
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services.defaultroute4 = route {
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name = "defautlrote";
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via = "$(cat ${output services.dhcpv4 "address"})";
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target = "default";
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dependencies = [ services.dhcpv4 ];
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};
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services.packet_forwarding =
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let
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iface = services.dhcpv4;
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filename = "/proc/sys/net/ipv4/conf/$(cat ${output iface "ifname"})/forwarding";
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in oneshot {
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name = "let-the-ip-flow";
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up = "echo 1 > ${filename}";
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down = "echo 0 > ${filename}";
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dependencies = [iface];
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};
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services.default = target {
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name = "default";
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contents = with services; [ loopback ntp defaultroute4 ];
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};
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systemPackages = [ pkgs.hello ] ;
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}
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