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liminix/tests/smoke/configuration.nix

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{ config, pkgs, ... } :
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;
in rec {
services.loopback =
let iface = interface { type = "loopback"; device = "lo";};
in bundle {
name = "loopback";
contents = [
(address iface { family = "inet4"; address ="127.0.0.1"; prefixLength = 8;})
(address iface { family = "inet6"; address ="::1"; prefixLength = 128;})
];
};
services.dhcpv4 =
let iface = interface { type = "hardware"; device = "eth0"; };
in udhcpc iface {};
services.dhcpv6 =
let iface = interface { type = "hardware"; device = "eth0"; };
in odhcpc iface { uid = "e7"; };
services.ntp = longrun {
# the simplest approach at the consumer end is to require the
# producer to create a file per output variable.
name = "ntp";
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run = let inherit (services) dhcpv4 dhcpv6;
in "${pkgs.ntp}/bin/ntpd $(cat ${output dhcpv4 "ntp_servers"}) $(cat ${output dhcpv6 "NTP_IP"})";
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# I don't think it's possible to standardise the file names
# generally, as different services have different outputs, but it
# would be cool if services that provide an interface could use
# the same name as each other. e.g. for anything implementing
# addressProvider you might expect (output svc "address") or
# (output svc "family") to work. Otherwise switching a network link
# from static to dhcp might require reviewing all the downstreams
# that refer to it.
# Also, services should declare the outputs they provide
outputs = [];
dependencies = [services.dhcpv4];
};
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services.defaultroute4 = route {
name = "defautlrote";
via = "$(cat ${output services.dhcpv4 "address"})";
target = "default";
dependencies = [ services.dhcpv4 ];
};
services.packet_forwarding =
let
iface = services.dhcpv4;
filename = "/proc/sys/net/ipv4/conf/$(cat ${output iface "ifname"})/forwarding";
in oneshot {
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name = "let-the-ip-flow";
up = "echo 1 > ${filename}";
down = "echo 0 > ${filename}";
dependencies = [iface];
};
services.default = target {
name = "default";
contents = with services; [ loopback ntp defaultroute4 ];
};
defaultProfile.packages = [ pkgs.hello ] ;
}