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{ config, pkgs, lib, ... }:
with lib;
let
cfg = config.services.cloudflare-dyndns;
in
{
options = {
services.cloudflare-dyndns = {
enable = mkEnableOption (lib.mdDoc "Cloudflare Dynamic DNS Client");
apiTokenFile = mkOption {
type = types.nullOr types.str;
default = null;
description = lib.mdDoc ''
The path to a file containing the CloudFlare API token.
The file must have the form `CLOUDFLARE_API_TOKEN=...`
'';
};
domains = mkOption {
type = types.listOf types.str;
default = [ ];
description = lib.mdDoc ''
List of domain names to update records for.
'';
};
proxied = mkOption {
type = types.bool;
default = false;
description = lib.mdDoc ''
Whether this is a DNS-only record, or also being proxied through CloudFlare.
'';
};
ipv4 = mkOption {
type = types.bool;
default = true;
description = lib.mdDoc ''
Whether to enable setting IPv4 A records.
'';
};
ipv6 = mkOption {
type = types.bool;
default = false;
description = lib.mdDoc ''
Whether to enable setting IPv6 AAAA records.
'';
};
deleteMissing = mkOption {
type = types.bool;
default = false;
description = lib.mdDoc ''
Whether to delete the record when no IP address is found.
'';
};
};
};
config = mkIf cfg.enable {
systemd.services.cloudflare-dyndns = {
description = "CloudFlare Dynamic DNS Client";
after = [ "network.target" ];
wantedBy = [ "multi-user.target" ];
startAt = "*:0/5";
environment = {
CLOUDFLARE_DOMAINS = toString cfg.domains;
};
serviceConfig = {
Type = "simple";
DynamicUser = true;
StateDirectory = "cloudflare-dyndns";
EnvironmentFile = cfg.apiTokenFile;
ExecStart =
let
args = [ "--cache-file /var/lib/cloudflare-dyndns/ip.cache" ]
++ (if cfg.ipv4 then [ "-4" ] else [ "-no-4" ])
++ (if cfg.ipv6 then [ "-6" ] else [ "-no-6" ])
++ optional cfg.deleteMissing "--delete-missing"
++ optional cfg.proxied "--proxied";
in
"${pkgs.cloudflare-dyndns}/bin/cloudflare-dyndns ${toString args}";
};
};
};
}
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