stub service

.gitignore

@@ -0,0 +1,3 @@
+__pycache__
+.venv
+/result

modules/default.nix

@@ -1,14 +1,42 @@
 package:
 
 {
+  config,
   lib,
+  pkgs,
   ...
 }:
 
 {
   options.services.lego-monitoring = {
     enable = lib.mkEnableOption "lego-monitoring service.";
+
+    nonSecretConfigOption = lib.mkOption {
+      type = lib.types.str;
+      default = "defaultValue";
+      description = "An example non-secret config option.";
     };
 
-  config = {};
+    configOptionSecretPath = lib.mkOption {
+      type = lib.types.nullOr lib.types.str;
+      default = null;
+      description = "Path to an example secret config option.";
+    };
+  };
+
+  config = let
+    cfg = config.services.lego-monitoring;
+    json = pkgs.formats.json {};
+    serviceConfigFile = json.generate "config.json" {
+      non_secret_config_option = cfg.nonSecretConfigOption;
+      config_option_secret_path = cfg.configOptionSecretPath;
+    };
+  in lib.mkIf cfg.enable {
+    systemd.services.lego-monitoring = {
+      name = "lego-monitoring.service";
+      description = "Lego-monitoring service";
+      script = "${package}/bin/service -c ${serviceConfigFile}";
+      wantedBy = [ "multi-user.target" ];
+    };
+  };
 }

pyproject.toml

@@ -5,7 +5,7 @@ description = "Monitoring software for the lego server"
 readme = "README.md"
 requires-python = ">=3.12"
 dependencies = [
-    #"urllib3>=2.2.3",
+    "alt-utils>=0.0.6",
 ]
 
 [project.scripts]
@@ -14,8 +14,3 @@ service = "lego_monitoring:main"
 [build-system]
 requires = ["hatchling"]
 build-backend = "hatchling.build"
-
-[dependency-groups]
-dev = [
-    #"ruff>=0.6.7",
-]

src/lego_monitoring/__init__.py

@@ -1,6 +1,19 @@
+import argparse
 import time
 
+from .core.config import load_config
+
+
 def main() -> None:
+    parser = argparse.ArgumentParser(
+        prog="lego-monitoring",
+        description="Lego-monitoring service",
+    )
+    parser.add_argument('-c', '--config', required=True)
+
+    config_path = parser.parse_args().config
+    config = load_config(config_path)
+
     while True:
-        print("service running...")
+        print(f"service running... opt 1 is {config.non_secret_config_option}, opt 2 is secret, but if you really wanna know, it's {config.config_option}", flush=True)
         time.sleep(300)

src/lego_monitoring/core/config.py

@@ -0,0 +1,32 @@
+import json
+from dataclasses import dataclass
+from typing import Optional
+
+from alt_utils import NestedDeserializableDataclass
+
+
+@dataclass
+class Config(NestedDeserializableDataclass):
+    non_secret_config_option: str
+    config_option: Optional[str]
+
+def load_config(filepath: str) -> Config:
+    with open(filepath) as f:
+        cfg_dict = json.load(f)
+
+    # load secrets from paths
+    new_cfg_dict = {}
+    for k in cfg_dict:
+        if k.endswith('_secret_path'):
+            actual_opt_key = k[:-12]
+            secret_path = cfg_dict[k]
+            if secret_path is None:
+                new_cfg_dict[actual_opt_key] = None
+            else:
+                with open(secret_path) as sf:
+                    new_cfg_dict[actual_opt_key] = sf.read().rstrip()
+        else:
+            new_cfg_dict[k] = cfg_dict[k]
+
+    cfg = Config.from_dict(new_cfg_dict)
+    return cfg

uv.lock

@@ -1,56 +1,25 @@
 version = 1
-revision = 1
 requires-python = ">=3.12"
 
 [[package]]
-name = "hello-world"
+name = "alt-utils"
+version = "0.0.6"
+source = { registry = "https://pypi.org/simple" }
+sdist = { url = "https://files.pythonhosted.org/packages/22/d2/b4a3ea37f773696b07a545e8964c37e98e4939d5f8e3dae949d2cd4e4f53/alt_utils-0.0.6.tar.gz", hash = "sha256:91b8ca633238e819848e1f8b351892f4c148c7fddef120d5e966e3a0b5d06f81", size = 6001 }
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+]
+
+[[package]]
+name = "lego-monitoring"
 version = "0.1.0"
 source = { editable = "." }
 dependencies = [
-    { name = "urllib3" },
+    { name = "alt-utils" },
-]
-
-[package.dev-dependencies]
-dev = [
-    { name = "ruff" },
 ]
 
 [package.metadata]
-requires-dist = [{ name = "urllib3", specifier = ">=2.2.3" }]
+requires-dist = [{ name = "alt-utils", specifier = ">=0.0.6" }]
 
 [package.metadata.requires-dev]
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+dev = []
-
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