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|
{ lib, config, ... }:
let
inherit (lib)
mkOption
types
mkEnableOption
mkIf
;
cfg = config.wilkuu.services.desecDyn;
in
{
options.wilkuu.services.desecDyn = {
enable = mkEnableOption "Dynamic DNS management through desec.io";
domains = mkOption {
type = types.attrsOf (
types.submodule {
options = {
# TODO: Decide on defaults
doWildcard = mkEnableOption "requesting a wildcard zone/cert";
enableDDNS = mkEnableOption "setting A/AAAA records for the domain";
enableACME = mkEnableOption "requesting certificates for the domain";
};
}
);
description = "List of all domains to be managed through desec.io";
example = {
"example.dedyn.io" = {
doWildcard = true;
enableDDNS = true;
enableACME = true;
};
};
default = { };
};
tokenSopsName = mkOption {
type = types.str;
description = "Sops-nix secret name";
};
};
config =
let
ddns-updater-configs = builtins.concatLists (
builtins.attrValues (
lib.mapAttrs (
name: dcfg:
(
lib.optional dcfg.doWildcard ({
provider = "desec";
domains = "*.${name}";
token = config.sops.placeholder.${cfg.tokenSopsName};
ip_version = "ipv4";
})
++ [
{
provider = "desec";
domain = name;
token = config.sops.placeholder.${cfg.tokenSopsName};
ip_version = "ipv4";
}
]
)
) (lib.filterAttrs (_: dcfg: dcfg.enableDDNS) cfg.domains)
)
);
enableDDNS = ddns-updater-configs != [ ];
acme-certs = (
lib.mapAttrs (dname: dcfg: {
domain = dname;
# TODO: Make a special group so that you can give access to other stuff.
group = config.services.nginx.group;
dnsProvider = "desec";
environmentFile = config.sops.templates.acme-envfile.path;
extraDomainNames = (lib.optional dcfg.doWildcard "*.${dname}");
}) (lib.filterAttrs (_: dcfg: dcfg.enableACME) cfg.domains)
);
in
mkIf cfg.enable {
users.groups.ddns = mkIf enableDDNS { };
sops.templates.ddns-updater-config = mkIf (enableDDNS) {
mode = "0440";
group = "ddns";
content = lib.generators.toJSON { } {
settings = ddns-updater-configs;
};
};
sops.templates.acme-envfile = {
content = ''
DESEC_TOKEN=${config.sops.placeholder.${cfg.tokenSopsName}}
'';
};
systemd.services.ddns-updater.serviceConfig = {
SupplementaryGroups = [ "ddns" ];
};
services.ddns-updater = {
enable = enableDDNS;
environment = {
SERVER_ENABLED = "no";
PERIOD = "60m";
CONFIG_FILEPATH = config.sops.templates.ddns-updater-config.path;
};
};
security.acme.certs = acme-certs;
};
}
|
