cfdyndns: init at 0.0.1

nixos/modules/misc/ids.nix

@@ -248,6 +248,7 @@
       matrix-synapse = 224;
       rspamd = 225;
       rmilter = 226;
+      cfdyndns = 227;
 
       # When adding a uid, make sure it doesn't match an existing gid. And don't use uids above 399!
 
@@ -473,6 +474,7 @@
       matrix-synapse = 224;
       rspamd = 225;
       rmilter = 226;
+      cfdyndns = 227;
 
       # When adding a gid, make sure it doesn't match an existing
       # uid. Users and groups with the same name should have equal

nixos/modules/module-list.nix

@@ -201,6 +201,7 @@
   ./services/misc/bepasty.nix
   ./services/misc/canto-daemon.nix
   ./services/misc/calibre-server.nix
+  ./services/misc/cfdyndns.nix
   ./services/misc/cpuminer-cryptonight.nix
   ./services/misc/cgminer.nix
   ./services/misc/confd.nix

nixos/modules/services/misc/cfdyndns.nix

@@ -0,0 +1,70 @@
+{ config, pkgs, lib, ... }:
+
+with lib;
+
+let
+  cfg = config.services.cfdyndns;
+in
+{
+  options = {
+    services.cfdyndns = {
+      enable = mkEnableOption "Cloudflare Dynamic DNS Client";
+
+      email = mkOption {
+        type = types.str;
+        description = ''
+          The email address to use to authenticate to CloudFlare.
+        '';
+      };
+
+      apikey = mkOption {
+        type = types.str;
+        description = ''
+          The API Key to use to authenticate to CloudFlare.
+        '';
+      };
+
+      records = mkOption {
+        default = [];
+        example = [ "host.tld" ];
+        type = types.listOf types.str;
+        description = ''
+          The records to update in CloudFlare.
+        '';
+      };
+    };
+  };
+
+  config = mkIf cfg.enable {
+    systemd.services.cfdyndns = {
+      description = "CloudFlare Dynamic DNS Client";
+      after = [ "network.target" ];
+      wantedBy = [ "multi-user.target" ];
+      startAt = "5 minutes";
+      serviceConfig = {
+        Type = "simple";
+        User = config.ids.uids.cfdyndns;
+        Group = config.ids.gids.cfdyndns;
+        ExecStart = "/bin/sh -c '${pkgs.cfdyndns}/bin/cfdyndns'";
+      };
+      environment = {
+        CLOUDFLARE_EMAIL="${cfg.email}";
+        CLOUDFLARE_APIKEY="${cfg.apikey}";
+        CLOUDFLARE_RECORDS="${concatStringsSep "," cfg.records}";
+      };
+    };
+
+    users.extraUsers = {
+      cfdyndns = {
+        group = "cfdyndns";
+        uid = config.ids.uids.cfdyndns;
+      };
+    };
+
+    users.extraGroups = {
+      cfdyndns = {
+        gid = config.ids.gids.cfdyndns;
+      };
+    };
+  };
+}