changed add_users.py s.t. it consumes a json file instead of hardcoded values

.gitignore

@@ -13,3 +13,5 @@ src/modules/certificate/articonf1.crt
 src/modules/certificate/articonf1-chain.crt
 
 src/modules/security/regular_user_credentials.json
+
+src/modules/security/default_users.json

src/rest-gateway/app/add_users.py

 # add modules folder to interpreter path
 import sys
 import os
+import json
 import prance
 from pathlib import Path
 from typing import Dict, Any
@@ -10,7 +11,20 @@ if os.path.exists(modules_path):
     sys.path.insert(1, modules_path)
 
 from services.user_service import UserService
+from env_info import is_running_locally
 
 if __name__ == "__main__":
-    UserService.add("regular@articonf1.itec.aau.at", "GBILLjaZE0Wyea9Y9ByS", role="u")
-    UserService.add("root@articonf1.itec.aau.at", "CJG6zD0mAjvo5zdVBftY", role="a")
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+    if is_running_locally():
+        path = f'{modules_path}/security/default_users.json'
+    else:
+        path = '/srv/articonf/default_users.json'
+
+    with open(path, "r") as file_handler:
+        content = file_handler.read()
+        users = json.loads(content)
+
+        for user in users:
+            if "username" in user and "password" in user and "role" in user:
+                UserService.add(user["username"], user["password"], role=user["role"])
+            else:
+                print(f"Missing field in user object, required=(username, password, role), given=({user.keys()})")
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