Added health check feature to find faulty components

middleware/app_be/views/mongo_db.py

@@ -14,7 +14,7 @@ class MongoManager:
         if MongoManager.__instance != None:
             raise Exception("This class is a singleton!")
         else:
-            MongoManager.__instance = pymongo.MongoClient('127.0.0.1', 27017)
+            MongoManager.__instance = pymongo.MongoClient('127.0.0.1', port=27017, serverSelectionTimeoutMS=1000)
             db = MongoManager.__instance.AIC
             coll = db.metadata
             db.coll["identifier"]

middleware/app_be/views/rest_api.py

@@ -141,3 +141,14 @@ class ImageEndpoint:
             result_bool = False
 
         return JsonResponse({'Result': result_bool}, safe=False)
+
+class HealthEndpoint:
+    @staticmethod
+    @api_view(['GET'])
+    def check_systems(request):
+        logger.debug('Check health of all sub-systems')
+        mongo = MongoDBService.check()
+        dbx = DropboxService.check()
+        minio = MinioService.check()
+
+        return JsonResponse({'MongoDB': mongo, 'Dropbox': dbx, 'MinIO': minio}, safe=False)