.gitignore

@@ -1,10 +1,7 @@
-/result
-
+result
+config.json
+log.txt
 __pycache__/
-/.vscode/
-/.direnv/
-/.mypy_cache/
-
-/config.json
-/log.txt
-/api.key
+.vscode/
+.direnv/
+.mypy_cache/

dyn_gandi/main.py

@@ -13,7 +13,7 @@ def loadSettings(path: str | None) -> dict:
         Load the settings file.
 
         `path` Path to a settings file.
-        By default the program will look for `$HOME/.config/dyn-gandi/config.json` and then `/etc/dyn-gandi.json`.
+        By default the program will look for `$HOME/dyn-gandi/config.json` and then `/etc/dyn-gandi.json`.
     '''
 
     if path is None:
@@ -22,11 +22,6 @@ def loadSettings(path: str | None) -> dict:
         if not os.path.exists(path):
             path = '/etc/dyn-gandi.json'
 
-        if not os.path.exists(path):
-            print(
-                f"[ERROR] No config file found at '~/.config/dyn-gandi/config.json' or '/etc/dyn-gandi.json'")
-            quit()
-
     if not os.path.exists(path):
         print(f"[ERROR] '{path}' does not exist.")
         quit()
@@ -57,7 +52,7 @@ def loadSettings(path: str | None) -> dict:
 
 def log(logline: str, path: str = './log.txt', stdout: bool = False) -> None:
     '''
-        Appends `logline` at the end of the file file with a timestamp.
+        Appends logline at the end of the file file with a timestamp
 
         `logline` The line to log.
 
@@ -130,8 +125,8 @@ def checkRecords(api: dict[str, dict[str, list[str]]], current_ip: str, log: Cal
                 records_to_renew[key][domain] = list(set(records_to_renew[key][domain]) - set(record['rrset_name'] for record in (
                     filter(lambda x: current_ip in x['rrset_values'], response.json()))))
 
-                if (records := records_to_renew[key][domain]) != []:
-                    log(f"[INFO][{','.join(records)}] Records need to be renewed")
+                if records_to_renew[key][domain] != []:
+                    log(f"[INFO][{','.join(records_to_renew)}] Record need to be renewed")
 
             else:
                 log(f"[ERROR][{domain}][{response.status_code}] {response.json()}")

flake.nix

@@ -21,6 +21,14 @@
       default = pkgs.${system}.poetry2nix.mkPoetryApplication {projectDir = self;};
     });
 
+    # `nix run`
+    apps = forAllSystems (system: {
+      default = {
+        program = "${self.packages.${system}.default}/bin/dyn_gandi";
+        type = "app";
+      };
+    });
+
     # `nix develop`
     devShells = forAllSystems (system: {
       default = pkgs.${system}.mkShellNoCC {

nix/hm-module.nix

@@ -0,0 +1,70 @@
+self: {
+  config,
+  lib,
+  pkgs,
+  ...
+}: let
+  cfg = config.dyn-gandi;
+  package = self.packages.${pkgs.stdenv.hostPlatform.system}.default;
+  inherit (lib) mkIf mkEnableOption mkOption types;
+
+  format = pkgs.formats.json {};
+  configFile = format.generate "config.json" cfg.settings;
+in {
+  options.dyn-gandi = {
+    enable = mkEnableOption "dyn-gandi";
+
+    timer = lib.mkOption {
+      type = types.nullOr types.int;
+      default = null;
+      description = lib.mdDoc ''
+        The time intervall in seconds the script should be repeated.
+      '';
+    };
+
+    settings = mkOption {
+      type = with types; let
+        valueType = nullOr (oneOf [
+          # TODO: restrict type to actual config file structure
+          bool
+          int
+          float
+          str
+          path
+          (attrsOf valueType)
+          (listOf valueType)
+        ]);
+      in
+        valueType;
+      default = throw "Please specify dyn-gandi.settings";
+    };
+  };
+
+  config = mkIf cfg.enable {
+    home.packages = [package]; # TODO: make this architecture independent
+
+    systemd.user.services.dyn-gandi = mkIf (cfg.timer
+      != null) {
+      Unit = {
+        After = ["network.target"];
+      };
+
+      Install = {WantedBy = ["default.target"];};
+
+      Service = {
+        Type = "oneshot";
+        ExecStart = "${package}/bin/dyn_gandi --config ${configFile}";
+      };
+    };
+
+    systemd.user.timers.dyn-gandi = mkIf (cfg.timer
+      != null) {
+      Install = {WantedBy = ["timers.target"];};
+      Timer = {
+        OnBootSec = "0s";
+        OnUnitActiveSec = "${toString cfg.timer}s";
+        Unit = "dyn-gandi.service";
+      };
+    };
+  };
+}

nix/module.nix

@@ -46,7 +46,7 @@ in {
 
     systemd.services.dyn-gandi = mkIf (cfg.timer
       != null) {
-      script = "${package}/bin/dyn-gandi --config ${configFile}";
+      script = "${package}/bin/dyn_gandi --config ${configFile}";
 
       serviceConfig = {
         Type = "oneshot";

pyproject.toml

@@ -4,14 +4,14 @@ version = "0.1.0"
 description = "A DNS updater"
 authors = ["Kristian Krsnik <git@krsnik.at>"]
 readme = "README.md"
-packages = [{ include = "dyn_gandi" }]
+packages = [{include = "dyn_gandi"}]
 
 [tool.poetry.dependencies]
 python = "^3.10"
 requests = "2.29.0"
 
 [tool.poetry.scripts]
-dyn-gandi = "dyn_gandi.main:main"
+dyn_gandi = "dyn_gandi.main:main"
 
 [build-system]
 requires = ["poetry-core"]