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|
{
config,
lib,
...
}: let
nets = config.personal.networking.networks;
netdevServices =
builtins.map (subnet: "${subnet.interface}-netdev.service")
(with nets; [wan iot]);
in {
services.kea.dhcp4 = {
enable = true;
settings = let
subnets = with nets; [wan iot eth0];
in {
interfaces-config = {
interfaces = builtins.map (network: network.interface) subnets;
service-sockets-max-retries = 20;
service-sockets-retry-wait-time = 5000;
};
lease-database = {
name = "/var/lib/kea/dhcp4.leases";
persist = true;
type = "memfile";
};
valid-lifetime = 600;
max-valid-lifetime = 7200;
option-data = [
{
name = "domain-name-servers";
data = "${nets.lan.subnet}.1, 9.9.9.9";
}
{
name = "subnet-mask";
data = "255.255.255.0";
}
];
subnet4 =
builtins.map (network: {
subnet = "${network.subnet}.0/24";
option-data = [
{
name = "broadcast-address";
data = "${network.subnet}.255";
}
{
name = "routers";
data = network.machines.self.ip;
}
];
inherit (network) interface;
pools = [{pool = "${network.subnet}.10 - ${network.subnet}.99";}];
reservations = let
machines = builtins.attrValues (lib.filterAttrs (name: {mac, ...}: name != "self" && mac != null) network.machines);
in
builtins.map ({
ip,
mac,
}: {
hw-address = mac;
ip-address = ip;
})
machines;
})
subnets;
};
};
systemd.services.kea-dhcp4-server.after = netdevServices;
systemd.services.kea-dhcp4-server.bindsTo = netdevServices;
}
|
