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networking: Unify underlay config across hosts

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SebastianStork 2026-01-30 20:39:59 +01:00
parent 1d1709e1ba
commit 27b5c57023
Signed by: SebastianStork
SSH key fingerprint: SHA256:tRrGdjYOwgHxpSc/wTOZQZEjxcb15P0tyXRsbAfd+2Q
19 changed files with 240 additions and 258 deletions
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65
modules/system/networking/overlay.nix Normal file
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@ -0,0 +1,65 @@
{
config,
self,
lib,
...
}:
let
cfg = config.custom.networking.overlay;
in
{
options.custom.networking.overlay = {
networkCidr = lib.mkOption {
type = lib.types.nonEmptyStr;
default = "";
};
networkAddress = lib.mkOption {
type = lib.types.nonEmptyStr;
default = cfg.networkCidr |> lib.splitString "/" |> lib.head;
readOnly = true;
};
prefixLength = lib.mkOption {
type = lib.types.ints.between 0 32;
default = cfg.networkCidr |> lib.splitString "/" |> lib.last |> lib.toInt;
};
domain = lib.mkOption {
type = lib.types.nonEmptyStr;
default = "";
};
address = lib.mkOption {
type = lib.types.nonEmptyStr;
default = "";
};
cidr = lib.mkOption {
type = lib.types.nonEmptyStr;
default = "${cfg.address}/${toString cfg.prefixLength}";
readOnly = true;
};
interface = lib.mkOption {
type = lib.types.nonEmptyStr;
default = "";
};
systemdUnit = lib.mkOption {
type = lib.types.nonEmptyStr;
default = "";
};
isLighthouse = lib.mkEnableOption "";
role = lib.mkOption {
type = lib.types.enum [
"client"
"server"
];
};
dnsServers = lib.mkOption {
type = lib.types.anything;
default =
self.nixosConfigurations
|> lib.attrValues
|> lib.filter (host: host.config.custom.services.dns.enable)
|> lib.map (host: host.config.custom.networking.overlay.address);
};
};
}