68 lines
1.8 KiB
Nix
68 lines
1.8 KiB
Nix
{ config, pkgs, ... }:
|
|
|
|
let
|
|
net = import ../config/network.nix;
|
|
dhcpModel = import ../intermediate/dhcp.nix;
|
|
|
|
routerIp =
|
|
if net ? devices && builtins.isAttrs net.devices && net.devices ? router && net.devices.router ? ip && builtins.isString net.devices.router.ip then
|
|
net.devices.router.ip
|
|
else
|
|
throw "config/network.nix must define devices.router.ip as string.";
|
|
|
|
dnsServerIp =
|
|
if net ? devices && builtins.isAttrs net.devices && net.devices ? self && net.devices.self ? ip && builtins.isString net.devices.self.ip then
|
|
net.devices.self.ip
|
|
else
|
|
throw "config/network.nix must define devices.self.ip as string.";
|
|
in
|
|
{
|
|
services.kea.dhcp4 = {
|
|
enable = true;
|
|
settings = {
|
|
interfaces-config = {
|
|
interfaces = [ "eth0" ];
|
|
};
|
|
lease-database = {
|
|
name = "/var/lib/kea/dhcp4.leases";
|
|
type = "memfile";
|
|
};
|
|
subnet4 = [{
|
|
id = 1;
|
|
subnet = net.network.subnet;
|
|
pools = [{
|
|
pool = "${net.dhcp.pool_start} - ${net.dhcp.pool_end}";
|
|
}];
|
|
option-data = [
|
|
{
|
|
name = "routers";
|
|
data = routerIp;
|
|
}
|
|
{
|
|
name = "domain-name-servers";
|
|
data = builtins.concatStringsSep ", " ([dnsServerIp] ++ net.fallback_dns_servers);
|
|
}
|
|
{
|
|
name = "domain-name";
|
|
data = net.local_domain;
|
|
}
|
|
{
|
|
name = "domain-search";
|
|
data = net.local_domain;
|
|
}
|
|
];
|
|
|
|
reservations = dhcpModel.reservations;
|
|
}];
|
|
|
|
valid-lifetime = net.dhcp.default_lease;
|
|
renew-timer = net.dhcp.default_lease / 2;
|
|
rebind-timer = net.dhcp.default_lease * 3 / 4;
|
|
};
|
|
};
|
|
|
|
networking.firewall = {
|
|
allowedUDPPorts = [ 67 68 ];
|
|
checkReversePath = false;
|
|
};
|
|
}
|