make app configurable via CLI and ENV parameters

api/src/dooris_api/__init__.py

@@ -1,8 +1,51 @@
-from dooris_api.app import app
+import os
+from contextvars import ContextVar
+from argparse import ArgumentParser, Namespace
+
+
+app_config: ContextVar[Namespace] = ContextVar("app_config")
 
 
 def main():
+    argp = ArgumentParser(
+        "dooris-api",
+        description="Server to interact with CCCHH doors via locks over CCUJACK over HomeMatic over WiFi",
+    )
+    argp.add_argument(
+        "--openid-issuer",
+        required="DOORIS_OPENID_ISSUER" not in os.environ,
+        default=os.environ.get("DOORIS_OPENID_ISSUER", None),
+        help="The Keycloak OpenID isser to use for authentication",
+    )
+    argp.add_argument(
+        "--openid-scope",
+        default=os.environ.get("DOORIS_OPENID_SCOPE", "openid profile"),
+        help="The Keycloak OpenID isser to use for authentication",
+    )
+    argp.add_argument(
+        "--openid-client-id",
+        required="DOORIS_OPENID_CLIENT_ID" not in os.environ,
+        default=os.environ.get("DOORIS_OPENID_CLIENT_ID", None),
+        help="The Keycloak OpenID client-id to use for authentication",
+    )
+    argp.add_argument(
+        "--openid-client-secret",
+        required="DOORIS_OPENID_CLIENT_SECRET" not in os.environ,
+        default=os.environ.get("DOORIS_OPENID_CLIENT_SECRET", None),
+        help="The Keycloak OpenID client secret to use for authentication",
+    )
+    argp.add_argument(
+        "--base-url",
+        required="DOORIS_BASE_URL" not in os.environ,
+        default=os.environ.get("DOORIS_BASE_URL", None),
+        help="The Base-URL that this application is reachable under",
+    )
+    args = argp.parse_args()
+
+    app_config.set(args)
     import uvicorn
+    from dooris_api.app import app
+
     config = uvicorn.Config(app, port=8000, log_level="debug")
     server = uvicorn.Server(config)
     server.run()