nixos/r53-ddns: init

nixos/doc/manual/from_md/release-notes/rl-2205.section.xml

@@ -204,6 +204,14 @@
           <link xlink:href="options.html#opt-services.snowflake-proxy.enable">services.snowflake-proxy</link>.
         </para>
       </listitem>
+      <listitem>
+        <para>
+          <link xlink:href="https://github.com/fleaz/r53-ddns">r53-ddns</link>,
+          a small tool to run your own DDNS service via AWS Route53.
+          Available as
+          <link xlink:href="options.html#opt-services.r53-ddns.enable">services.r53-ddns</link>.
+        </para>
+      </listitem>
       <listitem>
         <para>
           <link xlink:href="https://ergo.chat">ergochat</link>, a modern

nixos/doc/manual/release-notes/rl-2205.section.md

@@ -60,6 +60,8 @@ In addition to numerous new and upgraded packages, this release has the followin
 
 - [snowflake-proxy](https://snowflake.torproject.org/), a system to defeat internet censorship. Available as [services.snowflake-proxy](options.html#opt-services.snowflake-proxy.enable).
 
+- [r53-ddns](https://github.com/fleaz/r53-ddns), a small tool to run your own DDNS service via AWS Route53. Available as [services.r53-ddns](options.html#opt-services.r53-ddns.enable).
+
 - [ergochat](https://ergo.chat), a modern IRC with IRCv3 features. Available as [services.ergochat](options.html#opt-services.ergochat.enable).
 
 - [PowerDNS-Admin](https://github.com/ngoduykhanh/PowerDNS-Admin), a web interface for the PowerDNS server. Available at [services.powerdns-admin](options.html#opt-services.powerdns-admin.enable).

nixos/modules/module-list.nix

@@ -876,6 +876,7 @@
   ./services/networking/quassel.nix
   ./services/networking/quorum.nix
   ./services/networking/quicktun.nix
+  ./services/networking/r53-ddns.nix
   ./services/networking/radicale.nix
   ./services/networking/radvd.nix
   ./services/networking/rdnssd.nix

nixos/modules/services/networking/r53-ddns.nix

@@ -0,0 +1,72 @@
+{ config, lib, pkgs, ... }:
+
+with lib;
+
+let
+  cfg = config.services.r53-ddns;
+  pkg = pkgs.r53-ddns;
+in
+{
+  options = {
+    services.r53-ddns = {
+
+      enable = mkEnableOption "r53-ddyns";
+
+      interval = mkOption {
+        type = types.str;
+        default = "15min";
+        description = "How often to update the entry";
+      };
+
+      zoneID = mkOption {
+        type = types.str;
+        description = "The ID of your zone in Route53";
+      };
+
+      domain = mkOption {
+        type = types.str;
+        description = "The name of your domain in Route53";
+      };
+
+      hostname = mkOption {
+        type = types.str;
+        description = ''
+          Manually specify the hostname. Otherwise the tool will try to use the name
+          returned by the OS (Call to gethostname)
+        '';
+      };
+
+      environmentFile = mkOption {
+        type = types.str;
+        description = ''
+          File containing the AWS_ACCESS_KEY_ID and AWS_SECRET_ACCESS_KEY
+          in the format of an EnvironmentFile as described by systemd.exec(5)
+        '';
+      };
+
+    };
+  };
+
+  config = mkIf cfg.enable {
+
+    systemd.timers.r53-ddns = {
+      description = "r53-ddns timer";
+      wantedBy = [ "timers.target" ];
+      timerConfig = {
+        OnBootSec = cfg.interval;
+        OnUnitActiveSec = cfg.interval;
+      };
+    };
+
+    systemd.services.r53-ddns = {
+      description = "r53-ddns service";
+      serviceConfig = {
+        ExecStart = "${pkg}/bin/r53-ddns -zone-id ${cfg.zoneID} -domain ${cfg.domain}"
+          + lib.optionalString (cfg.hostname != null) " -hostname ${cfg.hostname}";
+        EnvironmentFile = "${cfg.environmentFile}";
+        DynamicUser = true;
+      };
+    };
+
+  };
+}