Send 500 HTTP error in case of error.

Change-Id: Iac854d2b30900377e016711218090e7efc906986

10 files changed, 217 insertions, 143 deletions

diff --git a/moonv4/moon_manager/moon_manager/api/assignments.py b/moonv4/moon_manager/moon_manager/api/assignments.py
index bc585304..3bb6ed29 100644
--- a/moonv4/moon_manager/moon_manager/api/assignments.py
+++ b/moonv4/moon_manager/moon_manager/api/assignments.py
@@ -60,7 +60,7 @@ class SubjectAssignments(Resource):
         except Exception as e:
             LOG.error(e, exc_info=True)
             return {"result": False,
-                    "error": str(e)}
+                    "error": str(e)}, 500
         return {"subject_assignments": data}
 
     @check_auth
@@ -97,7 +97,7 @@ class SubjectAssignments(Resource):
         except Exception as e:
             LOG.error(e, exc_info=True)
             return {"result": False,
-                    "error": str(e)}
+                    "error": str(e)}, 500
         return {"subject_assignments": data}
 
     @check_auth
@@ -122,7 +122,7 @@ class SubjectAssignments(Resource):
         except Exception as e:
             LOG.error(e, exc_info=True)
             return {"result": False,
-                    "error": str(e)}
+                    "error": str(e)}, 500
         return {"result": True}
 
 
@@ -164,7 +164,7 @@ class ObjectAssignments(Resource):
         except Exception as e:
             LOG.error(e, exc_info=True)
             return {"result": False,
-                    "error": str(e)}
+                    "error": str(e)}, 500
         return {"object_assignments": data}
 
     @check_auth
@@ -201,7 +201,7 @@ class ObjectAssignments(Resource):
         except Exception as e:
             LOG.error(e, exc_info=True)
             return {"result": False,
-                    "error": str(e)}
+                    "error": str(e)}, 500
         return {"object_assignments": data}
 
     @check_auth
@@ -226,7 +226,7 @@ class ObjectAssignments(Resource):
         except Exception as e:
             LOG.error(e, exc_info=True)
             return {"result": False,
-                    "error": str(e)}
+                    "error": str(e)}, 500
         return {"result": True}
 
 
@@ -268,7 +268,7 @@ class ActionAssignments(Resource):
         except Exception as e:
             LOG.error(e, exc_info=True)
             return {"result": False,
-                    "error": str(e)}
+                    "error": str(e)}, 500
         return {"action_assignments": data}
 
     @check_auth
@@ -305,7 +305,7 @@ class ActionAssignments(Resource):
         except Exception as e:
             LOG.error(e, exc_info=True)
             return {"result": False,
-                    "error": str(e)}
+                    "error": str(e)}, 500
         return {"action_assignments": data}
 
     @check_auth
@@ -330,5 +330,5 @@ class ActionAssignments(Resource):
         except Exception as e:
             LOG.error(e, exc_info=True)
             return {"result": False,
-                    "error": str(e)}
+                    "error": str(e)}, 500
         return {"result": True}
diff --git a/moonv4/moon_manager/moon_manager/api/data.py b/moonv4/moon_manager/moon_manager/api/data.py
index fbf26fd9..85faf415 100644
--- a/moonv4/moon_manager/moon_manager/api/data.py
+++ b/moonv4/moon_manager/moon_manager/api/data.py
@@ -27,12 +27,14 @@ class SubjectData(Resource):
         "/policies/<string:uuid>/subject_data",
         "/policies/<string:uuid>/subject_data/",
         "/policies/<string:uuid>/subject_data/<string:category_id>",
-        "/policies/<string:uuid>/subject_data/<string:category_id>/<string:data_id>",
+        "/policies/<string:uuid>/subject_data/<string:category_id>/"
+        "<string:data_id>",
     )
 
     @check_auth
     def get(self, uuid=None, category_id=None, data_id=None, user_id=None):
-        """Retrieve all subject categories or a specific one if sid is given for a given policy
+        """Retrieve all subject categories or a specific one if sid is given
+        for a given policy
 
         :param uuid: uuid of the policy
         :param category_id: uuid of the subject category
@@ -51,12 +53,14 @@ class SubjectData(Resource):
         :internal_api: get_subject_data
         """
         try:
-            data = PolicyManager.get_subject_data(user_id=user_id, policy_id=uuid,
-                                                  category_id=category_id, data_id=data_id)
+            data = PolicyManager.get_subject_data(user_id=user_id,
+                                                  policy_id=uuid,
+                                                  category_id=category_id,
+                                                  data_id=data_id)
         except Exception as e:
             LOG.error(e, exc_info=True)
             return {"result": False,
-                    "error": str(e)}
+                    "error": str(e)}, 500
         return {"subject_data": data}
 
     @check_auth
@@ -84,12 +88,14 @@ class SubjectData(Resource):
         :internal_api: add_subject_data
         """
         try:
-            data = PolicyManager.set_subject_data(user_id=user_id, policy_id=uuid,
-                                                  category_id=category_id, value=request.json)
+            data = PolicyManager.set_subject_data(user_id=user_id,
+                                                  policy_id=uuid,
+                                                  category_id=category_id,
+                                                  value=request.json)
         except Exception as e:
             LOG.error(e, exc_info=True)
             return {"result": False,
-                    "error": str(e)}
+                    "error": str(e)}, 500
         return {"subject_data": data}
 
     @check_auth
@@ -107,12 +113,13 @@ class SubjectData(Resource):
         :internal_api: delete_subject_data
         """
         try:
-            data = PolicyManager.delete_subject_data(user_id=user_id, policy_id=uuid,
+            data = PolicyManager.delete_subject_data(user_id=user_id,
+                                                     policy_id=uuid,
                                                      data_id=data_id)
         except Exception as e:
             LOG.error(e, exc_info=True)
             return {"result": False,
-                    "error": str(e)}
+                    "error": str(e)}, 500
         return {"result": True}
 
 
@@ -125,12 +132,14 @@ class ObjectData(Resource):
         "/policies/<string:uuid>/object_data",
         "/policies/<string:uuid>/object_data/",
         "/policies/<string:uuid>/object_data/<string:category_id>",
-        "/policies/<string:uuid>/object_data/<string:category_id>/<string:data_id>",
+        "/policies/<string:uuid>/object_data/<string:category_id>/"
+        "<string:data_id>",
     )
 
     @check_auth
     def get(self, uuid=None, category_id=None, data_id=None, user_id=None):
-        """Retrieve all object categories or a specific one if sid is given for a given policy
+        """Retrieve all object categories or a specific one if sid is given
+        for a given policy
 
         :param uuid: uuid of the policy
         :param category_id: uuid of the object category
@@ -149,12 +158,14 @@ class ObjectData(Resource):
         :internal_api: get_object_data
         """
         try:
-            data = PolicyManager.get_object_data(user_id=user_id, policy_id=uuid,
-                                                 category_id=category_id, data_id=data_id)
+            data = PolicyManager.get_object_data(user_id=user_id,
+                                                 policy_id=uuid,
+                                                 category_id=category_id,
+                                                 data_id=data_id)
         except Exception as e:
             LOG.error(e, exc_info=True)
             return {"result": False,
-                    "error": str(e)}
+                    "error": str(e)}, 500
         return {"object_data": data}
 
     @check_auth
@@ -182,12 +193,14 @@ class ObjectData(Resource):
         :internal_api: add_object_data
         """
         try:
-            data = PolicyManager.add_object_data(user_id=user_id, policy_id=uuid,
-                                                 category_id=category_id, value=request.json)
+            data = PolicyManager.add_object_data(user_id=user_id,
+                                                 policy_id=uuid,
+                                                 category_id=category_id,
+                                                 value=request.json)
         except Exception as e:
             LOG.error(e, exc_info=True)
             return {"result": False,
-                    "error": str(e)}
+                    "error": str(e)}, 500
         return {"object_data": data}
 
     @check_auth
@@ -205,12 +218,13 @@ class ObjectData(Resource):
         :internal_api: delete_object_data
         """
         try:
-            data = PolicyManager.delete_object_data(user_id=user_id, policy_id=uuid,
-                                                   data_id=data_id)
+            data = PolicyManager.delete_object_data(user_id=user_id,
+                                                    policy_id=uuid,
+                                                    data_id=data_id)
         except Exception as e:
             LOG.error(e, exc_info=True)
             return {"result": False,
-                    "error": str(e)}
+                    "error": str(e)}, 500
         return {"result": True}
 
 
@@ -223,12 +237,14 @@ class ActionData(Resource):
         "/policies/<string:uuid>/action_data",
         "/policies/<string:uuid>/action_data/",
         "/policies/<string:uuid>/action_data/<string:category_id>",
-        "/policies/<string:uuid>/action_data/<string:category_id>/<string:data_id>",
+        "/policies/<string:uuid>/action_data/<string:category_id>/"
+        "<string:data_id>",
     )
 
     @check_auth
     def get(self, uuid=None, category_id=None, data_id=None, user_id=None):
-        """Retrieve all action categories or a specific one if sid is given for a given policy
+        """Retrieve all action categories or a specific one if sid is given
+        for a given policy
 
         :param uuid: uuid of the policy
         :param category_id: uuid of the action category
@@ -247,12 +263,14 @@ class ActionData(Resource):
         :internal_api: get_action_data
         """
         try:
-            data = PolicyManager.get_action_data(user_id=user_id, policy_id=uuid,
-                                                 category_id=category_id, data_id=data_id)
+            data = PolicyManager.get_action_data(user_id=user_id,
+                                                 policy_id=uuid,
+                                                 category_id=category_id,
+                                                 data_id=data_id)
         except Exception as e:
             LOG.error(e, exc_info=True)
             return {"result": False,
-                    "error": str(e)}
+                    "error": str(e)}, 500
         return {"action_data": data}
 
     @check_auth
@@ -280,12 +298,14 @@ class ActionData(Resource):
         :internal_api: add_action_data
         """
         try:
-            data = PolicyManager.add_action_data(user_id=user_id, policy_id=uuid,
-                                                 category_id=category_id, value=request.json)
+            data = PolicyManager.add_action_data(user_id=user_id,
+                                                 policy_id=uuid,
+                                                 category_id=category_id,
+                                                 value=request.json)
         except Exception as e:
             LOG.error(e, exc_info=True)
             return {"result": False,
-                    "error": str(e)}
+                    "error": str(e)}, 500
         return {"action_data": data}
 
     @check_auth
@@ -303,12 +323,13 @@ class ActionData(Resource):
         :internal_api: delete_action_data
         """
         try:
-            data = PolicyManager.delete_action_data(user_id=user_id, policy_id=uuid,
+            data = PolicyManager.delete_action_data(user_id=user_id,
+                                                    policy_id=uuid,
                                                     data_id=data_id)
         except Exception as e:
             LOG.error(e, exc_info=True)
             return {"result": False,
-                    "error": str(e)}
+                    "error": str(e)}, 500
         return {"result": True}
 
 
diff --git a/moonv4/moon_manager/moon_manager/api/meta_data.py b/moonv4/moon_manager/moon_manager/api/meta_data.py
index 0f9078ed..95cd58cc 100644
--- a/moonv4/moon_manager/moon_manager/api/meta_data.py
+++ b/moonv4/moon_manager/moon_manager/api/meta_data.py
@@ -44,11 +44,12 @@ class SubjectCategories(Resource):
         :internal_api: get_subject_categories
         """
         try:
-            data = ModelManager.get_subject_categories(user_id=user_id, category_id=category_id)
+            data = ModelManager.get_subject_categories(
+                user_id=user_id, category_id=category_id)
         except Exception as e:
             LOG.error(e, exc_info=True)
             return {"result": False,
-                    "error": str(e)}
+                    "error": str(e)}, 500
         return {"subject_categories": data}
 
     @check_auth
@@ -70,11 +71,12 @@ class SubjectCategories(Resource):
         :internal_api: add_subject_category
         """
         try:
-            data = ModelManager.add_subject_category(user_id=user_id, value=request.json)
+            data = ModelManager.add_subject_category(
+                user_id=user_id, value=request.json)
         except Exception as e:
             LOG.error(e, exc_info=True)
             return {"result": False,
-                    "error": str(e)}
+                    "error": str(e)}, 500
         return {"subject_categories": data}
 
     @check_auth
@@ -90,11 +92,12 @@ class SubjectCategories(Resource):
         :internal_api: delete_subject_category
         """
         try:
-            data = ModelManager.delete_subject_category(user_id=user_id, category_id=category_id)
+            data = ModelManager.delete_subject_category(
+                user_id=user_id, category_id=category_id)
         except Exception as e:
             LOG.error(e, exc_info=True)
             return {"result": False,
-                    "error": str(e)}
+                    "error": str(e)}, 500
         return {"result": True}
 
 
@@ -124,11 +127,12 @@ class ObjectCategories(Resource):
         :internal_api: get_object_categories
         """
         try:
-            data = ModelManager.get_object_categories(user_id=user_id, category_id=category_id)
+            data = ModelManager.get_object_categories(
+                user_id=user_id, category_id=category_id)
         except Exception as e:
             LOG.error(e, exc_info=True)
             return {"result": False,
-                    "error": str(e)}
+                    "error": str(e)}, 500
         return {"object_categories": data}
 
     @check_auth
@@ -150,11 +154,12 @@ class ObjectCategories(Resource):
         :internal_api: add_object_category
         """
         try:
-            data = ModelManager.add_object_category(user_id=user_id, value=request.json)
+            data = ModelManager.add_object_category(
+                user_id=user_id, value=request.json)
         except Exception as e:
             LOG.error(e, exc_info=True)
             return {"result": False,
-                    "error": str(e)}
+                    "error": str(e)}, 500
         return {"object_categories": data}
 
     @check_auth
@@ -170,11 +175,12 @@ class ObjectCategories(Resource):
         :internal_api: delete_object_category
         """
         try:
-            data = ModelManager.delete_object_category(user_id=user_id, category_id=category_id)
+            data = ModelManager.delete_object_category(
+                user_id=user_id, category_id=category_id)
         except Exception as e:
             LOG.error(e, exc_info=True)
             return {"result": False,
-                    "error": str(e)}
+                    "error": str(e)}, 500
         return {"result": True}
 
 
@@ -204,11 +210,12 @@ class ActionCategories(Resource):
         :internal_api: get_action_categories
         """
         try:
-            data = ModelManager.get_action_categories(user_id=user_id, category_id=category_id)
+            data = ModelManager.get_action_categories(
+                user_id=user_id, category_id=category_id)
         except Exception as e:
             LOG.error(e, exc_info=True)
             return {"result": False,
-                    "error": str(e)}
+                    "error": str(e)}, 500
         return {"action_categories": data}
 
     @check_auth
@@ -230,11 +237,12 @@ class ActionCategories(Resource):
         :internal_api: add_action_category
         """
         try:
-            data = ModelManager.add_action_category(user_id=user_id, value=request.json)
+            data = ModelManager.add_action_category(
+                user_id=user_id, value=request.json)
         except Exception as e:
             LOG.error(e, exc_info=True)
             return {"result": False,
-                    "error": str(e)}
+                    "error": str(e)}, 500
         return {"action_categories": data}
 
     @check_auth
@@ -250,9 +258,10 @@ class ActionCategories(Resource):
         :internal_api: delete_action_category
         """
         try:
-            data = ModelManager.delete_action_category(user_id=user_id, category_id=category_id)
+            data = ModelManager.delete_action_category(
+                user_id=user_id, category_id=category_id)
         except Exception as e:
             LOG.error(e, exc_info=True)
             return {"result": False,
-                    "error": str(e)}
+                    "error": str(e)}, 500
         return {"result": True}
diff --git a/moonv4/moon_manager/moon_manager/api/meta_rules.py b/moonv4/moon_manager/moon_manager/api/meta_rules.py
index dc3ea0db..45e2b5ee 100644
--- a/moonv4/moon_manager/moon_manager/api/meta_rules.py
+++ b/moonv4/moon_manager/moon_manager/api/meta_rules.py
@@ -39,7 +39,8 @@ class MetaRules(Resource):
                 "meta_rule_id1": {
                     "name": "name of the meta rule",
                     "algorithm": "name of the meta rule algorithm",
-                    "subject_categories": ["subject_category_id1", "subject_category_id2"],
+                    "subject_categories": ["subject_category_id1",
+                                           "subject_category_id2"],
                     "object_categories": ["object_category_id1"],
                     "action_categories": ["action_category_id1"]
                 },
@@ -48,11 +49,12 @@ class MetaRules(Resource):
         :internal_api: get_meta_rules
         """
         try:
-            data = ModelManager.get_meta_rules(user_id=user_id, meta_rule_id=meta_rule_id)
+            data = ModelManager.get_meta_rules(
+                user_id=user_id, meta_rule_id=meta_rule_id)
         except Exception as e:
             LOG.error(e, exc_info=True)
             return {"result": False,
-                    "error": str(e)}
+                    "error": str(e)}, 500
         return {"meta_rules": data}
 
     @check_auth
@@ -63,7 +65,8 @@ class MetaRules(Resource):
         :param user_id: user ID who do the request
         :request body: post = {
             "name": "name of the meta rule",
-            "subject_categories": ["subject_category_id1", "subject_category_id2"],
+            "subject_categories": ["subject_category_id1",
+                                   "subject_category_id2"],
             "object_categories": ["object_category_id1"],
             "action_categories": ["action_category_id1"]
         }
@@ -71,7 +74,8 @@ class MetaRules(Resource):
             "meta_rules": {
                 "meta_rule_id1": {
                     "name": "name of the meta rule",
-                    "subject_categories": ["subject_category_id1", "subject_category_id2"],
+                    "subject_categories": ["subject_category_id1",
+                                           "subject_category_id2"],
                     "object_categories": ["object_category_id1"],
                     "action_categories": ["action_category_id1"]
                 },
@@ -80,11 +84,12 @@ class MetaRules(Resource):
         :internal_api: add_meta_rules
         """
         try:
-            data = ModelManager.add_meta_rule(user_id=user_id, meta_rule_id=None, value=request.json)
+            data = ModelManager.add_meta_rule(
+                user_id=user_id, meta_rule_id=None, value=request.json)
         except Exception as e:
             LOG.error(e, exc_info=True)
             return {"result": False,
-                    "error": str(e)}
+                    "error": str(e)}, 500
         return {"meta_rules": data}
 
     @check_auth
@@ -95,7 +100,8 @@ class MetaRules(Resource):
         :param user_id: user ID who do the request
         :request body: patch = {
             "name": "name of the meta rule",
-            "subject_categories": ["subject_category_id1", "subject_category_id2"],
+            "subject_categories": ["subject_category_id1",
+                                   "subject_category_id2"],
             "object_categories": ["object_category_id1"],
             "action_categories": ["action_category_id1"]
         }
@@ -103,7 +109,8 @@ class MetaRules(Resource):
             "meta_rules": {
                 "meta_rule_id1": {
                     "name": "name of the meta rule",
-                    "subject_categories": ["subject_category_id1", "subject_category_id2"],
+                    "subject_categories": ["subject_category_id1",
+                                           "subject_category_id2"],
                     "object_categories": ["object_category_id1"],
                     "action_categories": ["action_category_id1"]
                 },
@@ -112,11 +119,12 @@ class MetaRules(Resource):
         :internal_api: set_meta_rules
         """
         try:
-            data = ModelManager.set_meta_rule(user_id=user_id, meta_rule_id=meta_rule_id, value=request.json)
+            data = ModelManager.set_meta_rule(
+                user_id=user_id, meta_rule_id=meta_rule_id, value=request.json)
         except Exception as e:
             LOG.error(e, exc_info=True)
             return {"result": False,
-                    "error": str(e)}
+                    "error": str(e)}, 500
         return {"meta_rules": data}
 
     @check_auth
@@ -127,7 +135,8 @@ class MetaRules(Resource):
         :param user_id: user ID who do the request
         :request body: delete = {
             "name": "name of the meta rule",
-            "subject_categories": ["subject_category_id1", "subject_category_id2"],
+            "subject_categories": ["subject_category_id1",
+                                   "subject_category_id2"],
             "object_categories": ["object_category_id1"],
             "action_categories": ["action_category_id1"]
         }
@@ -135,7 +144,8 @@ class MetaRules(Resource):
             "meta_rules": {
                 "meta_rule_id1": {
                     "name": "name of the meta rule",
-                    "subject_categories": ["subject_category_id1", "subject_category_id2"],
+                    "subject_categories": ["subject_category_id1",
+                                           "subject_category_id2"],
                     "object_categories": ["object_category_id1"],
                     "action_categories": ["action_category_id1"]
                 },
@@ -144,10 +154,11 @@ class MetaRules(Resource):
         :internal_api: delete_meta_rules
         """
         try:
-            data = ModelManager.delete_meta_rule(user_id=user_id, meta_rule_id=meta_rule_id)
+            data = ModelManager.delete_meta_rule(
+                user_id=user_id, meta_rule_id=meta_rule_id)
         except Exception as e:
             LOG.error(e, exc_info=True)
             return {"result": False,
-                    "error": str(e)}
+                    "error": str(e)}, 500
         return {"result": True}
 
diff --git a/moonv4/moon_manager/moon_manager/api/models.py b/moonv4/moon_manager/moon_manager/api/models.py
index cec899f5..0a050c7f 100644
--- a/moonv4/moon_manager/moon_manager/api/models.py
+++ b/moonv4/moon_manager/moon_manager/api/models.py
@@ -49,7 +49,7 @@ class Models(Resource):
         except Exception as e:
             LOG.error(e, exc_info=True)
             return {"result": False,
-                    "error": str(e)}
+                    "error": str(e)}, 500
         return {"models": data}
 
     @check_auth
@@ -73,11 +73,12 @@ class Models(Resource):
         :internal_api: add_model
         """
         try:
-            data = ModelManager.add_model(user_id=user_id, model_id=uuid, value=request.json)
+            data = ModelManager.add_model(
+                user_id=user_id, model_id=uuid, value=request.json)
         except Exception as e:
             LOG.error(e, exc_info=True)
             return {"result": False,
-                    "error": str(e)}
+                    "error": str(e)}, 500
         return {"models": data}
 
     @check_auth
@@ -97,7 +98,7 @@ class Models(Resource):
         except Exception as e:
             LOG.error(e, exc_info=True)
             return {"result": False,
-                    "error": str(e)}
+                    "error": str(e)}, 500
         return {"result": True}
 
     @check_auth
@@ -116,10 +117,11 @@ class Models(Resource):
         :internal_api: update_model
         """
         try:
-            data = ModelManager.update_model(user_id=user_id, model_id=uuid, value=request.json)
+            data = ModelManager.update_model(
+                user_id=user_id, model_id=uuid, value=request.json)
         except Exception as e:
             LOG.error(e, exc_info=True)
             return {"result": False,
-                    "error": str(e)}
+                    "error": str(e)}, 500
         return {"models": data}
 
diff --git a/moonv4/moon_manager/moon_manager/api/pdp.py b/moonv4/moon_manager/moon_manager/api/pdp.py
index 15f4988f..ff996e4a 100644
--- a/moonv4/moon_manager/moon_manager/api/pdp.py
+++ b/moonv4/moon_manager/moon_manager/api/pdp.py
@@ -58,7 +58,7 @@ class PDP(Resource):
         except Exception as e:
             LOG.error(e, exc_info=True)
             return {"result": False,
-                    "error": str(e)}
+                    "error": str(e)}, 500
         return {"pdps": data}
 
     @check_auth
@@ -84,11 +84,12 @@ class PDP(Resource):
         :internal_api: add_pdp
         """
         try:
-            data = PDPManager.add_pdp(user_id=user_id, pdp_id=None, value=request.json)
+            data = PDPManager.add_pdp(
+                user_id=user_id, pdp_id=None, value=request.json)
         except Exception as e:
             LOG.error(e, exc_info=True)
             return {"result": False,
-                    "error": str(e)}
+                    "error": str(e)}, 500
         return {"pdps": data}
 
     @check_auth
@@ -108,7 +109,7 @@ class PDP(Resource):
         except Exception as e:
             LOG.error(e, exc_info=True)
             return {"result": False,
-                    "error": str(e)}
+                    "error": str(e)}, 500
         return {"result": True}
 
     @check_auth
@@ -128,11 +129,12 @@ class PDP(Resource):
         :internal_api: update_pdp
         """
         try:
-            data = PDPManager.update_pdp(user_id=user_id, pdp_id=uuid, value=request.json)
+            data = PDPManager.update_pdp(
+                user_id=user_id, pdp_id=uuid, value=request.json)
             add_container(uuid=uuid, pipeline=data[uuid]['security_pipeline'])
         except Exception as e:
             LOG.error(e, exc_info=True)
             return {"result": False,
-                    "error": str(e)}
+                    "error": str(e)}, 500
         return {"pdps": data}
 
diff --git a/moonv4/moon_manager/moon_manager/api/perimeter.py b/moonv4/moon_manager/moon_manager/api/perimeter.py
index cc2c0561..2eb80652 100644
--- a/moonv4/moon_manager/moon_manager/api/perimeter.py
+++ b/moonv4/moon_manager/moon_manager/api/perimeter.py
@@ -3,8 +3,10 @@
 # license which can be found in the file 'LICENSE' in this package distribution
 # or at 'http://www.apache.org/licenses/LICENSE-2.0'.
 """
-* Subjects are the source of an action on an object (examples : users, virtual machines)
-* Objects are the destination of an action (examples virtual machines, virtual Routers)
+* Subjects are the source of an action on an object
+  (examples : users, virtual machines)
+* Objects are the destination of an action
+  (examples virtual machines, virtual Routers)
 * Actions are what subject wants to do on an object
 """
 
@@ -35,7 +37,8 @@ class Subjects(Resource):
 
     @check_auth
     def get(self, uuid=None, perimeter_id=None, user_id=None):
-        """Retrieve all subjects or a specific one if perimeter_id is given for a given policy
+        """Retrieve all subjects or a specific one if perimeter_id is
+        given for a given policy
 
         :param uuid: uuid of the policy
         :param perimeter_id: uuid of the subject
@@ -58,7 +61,7 @@ class Subjects(Resource):
         except Exception as e:
             LOG.error(e, exc_info=True)
             return {"result": False,
-                    "error": str(e)}
+                    "error": str(e)}, 500
         return {"subjects": data}
 
     @check_auth
@@ -87,18 +90,20 @@ class Subjects(Resource):
         """
         try:
             if not perimeter_id:
-                data = PolicyManager.get_subjects(user_id=user_id, policy_id=None)
+                data = PolicyManager.get_subjects(user_id=user_id,
+                                                  policy_id=None)
                 if 'name' in request.json:
                     for data_id, data_value in data.items():
                         if data_value['name'] == request.json['name']:
                             perimeter_id = data_id
                             break
-            data = PolicyManager.add_subject(user_id=user_id, policy_id=uuid,
-                                             perimeter_id=perimeter_id, value=request.json)
+            data = PolicyManager.add_subject(
+                user_id=user_id, policy_id=uuid,
+                perimeter_id=perimeter_id, value=request.json)
         except Exception as e:
             LOG.error(e, exc_info=True)
             return {"result": False,
-                    "error": str(e)}
+                    "error": str(e)}, 500
         return {"subjects": data}
 
     @check_auth
@@ -127,18 +132,20 @@ class Subjects(Resource):
         """
         try:
             if not perimeter_id:
-                data = PolicyManager.get_subjects(user_id=user_id, policy_id=None)
+                data = PolicyManager.get_subjects(user_id=user_id,
+                                                  policy_id=None)
                 if 'name' in request.json:
                     for data_id, data_value in data.items():
                         if data_value['name'] == request.json['name']:
                             perimeter_id = data_id
                             break
-            data = PolicyManager.add_subject(user_id=user_id, policy_id=uuid,
-                                             perimeter_id=perimeter_id, value=request.json)
+            data = PolicyManager.add_subject(
+                user_id=user_id, policy_id=uuid,
+                perimeter_id=perimeter_id, value=request.json)
         except Exception as e:
             LOG.error(e, exc_info=True)
             return {"result": False,
-                    "error": str(e)}
+                    "error": str(e)}, 500
         return {"subjects": data}
 
     @check_auth
@@ -160,11 +167,12 @@ class Subjects(Resource):
         :internal_api: delete_subject
         """
         try:
-            data = PolicyManager.delete_subject(user_id=user_id, policy_id=uuid, perimeter_id=perimeter_id)
+            data = PolicyManager.delete_subject(
+                user_id=user_id, policy_id=uuid, perimeter_id=perimeter_id)
         except Exception as e:
             LOG.error(e, exc_info=True)
             return {"result": False,
-                    "error": str(e)}
+                    "error": str(e)}, 500
         return {"result": True}
 
 
@@ -184,7 +192,8 @@ class Objects(Resource):
 
     @check_auth
     def get(self, uuid=None, perimeter_id=None, user_id=None):
-        """Retrieve all objects or a specific one if perimeter_id is given for a given policy
+        """Retrieve all objects or a specific one if perimeter_id is
+        given for a given policy
 
         :param uuid: uuid of the policy
         :param perimeter_id: uuid of the object
@@ -206,7 +215,7 @@ class Objects(Resource):
         except Exception as e:
             LOG.error(e, exc_info=True)
             return {"result": False,
-                    "error": str(e)}
+                    "error": str(e)}, 500
         return {"objects": data}
 
     @check_auth
@@ -235,12 +244,13 @@ class Objects(Resource):
                     if data_value['name'] == request.json['name']:
                         perimeter_id = data_id
                         break
-            data = PolicyManager.add_object(user_id=user_id, policy_id=uuid,
-                                            perimeter_id=perimeter_id, value=request.json)
+            data = PolicyManager.add_object(
+                user_id=user_id, policy_id=uuid,
+                perimeter_id=perimeter_id, value=request.json)
         except Exception as e:
             LOG.error(e, exc_info=True)
             return {"result": False,
-                    "error": str(e)}
+                    "error": str(e)}, 500
         return {"objects": data}
 
     @check_auth
@@ -269,12 +279,13 @@ class Objects(Resource):
                     if data_value['name'] == request.json['name']:
                         perimeter_id = data_id
                         break
-            data = PolicyManager.add_object(user_id=user_id, policy_id=uuid,
-                                            perimeter_id=perimeter_id, value=request.json)
+            data = PolicyManager.add_object(
+                user_id=user_id, policy_id=uuid,
+                perimeter_id=perimeter_id, value=request.json)
         except Exception as e:
             LOG.error(e, exc_info=True)
             return {"result": False,
-                    "error": str(e)}
+                    "error": str(e)}, 500
         return {"objects": data}
 
     @check_auth
@@ -293,11 +304,12 @@ class Objects(Resource):
         :internal_api: delete_object
         """
         try:
-            data = PolicyManager.delete_object(user_id=user_id, policy_id=uuid, perimeter_id=perimeter_id)
+            data = PolicyManager.delete_object(
+                user_id=user_id, policy_id=uuid, perimeter_id=perimeter_id)
         except Exception as e:
             LOG.error(e, exc_info=True)
             return {"result": False,
-                    "error": str(e)}
+                    "error": str(e)}, 500
         return {"result": True}
 
 
@@ -317,7 +329,8 @@ class Actions(Resource):
 
     @check_auth
     def get(self, uuid=None, perimeter_id=None, user_id=None):
-        """Retrieve all actions or a specific one if perimeter_id is given for a given policy
+        """Retrieve all actions or a specific one if perimeter_id
+        is given for a given policy
 
         :param uuid: uuid of the policy
         :param perimeter_id: uuid of the action
@@ -331,11 +344,12 @@ class Actions(Resource):
         :internal_api: get_actions
         """
         try:
-            data = PolicyManager.get_actions(user_id=user_id, policy_id=uuid, perimeter_id=perimeter_id)
+            data = PolicyManager.get_actions(
+                user_id=user_id, policy_id=uuid, perimeter_id=perimeter_id)
         except Exception as e:
             LOG.error(e, exc_info=True)
             return {"result": False,
-                    "error": str(e)}
+                    "error": str(e)}, 500
         return {"actions": data}
 
     @check_auth
@@ -364,12 +378,13 @@ class Actions(Resource):
                     if data_value['name'] == request.json['name']:
                         perimeter_id = data_id
                         break
-            data = PolicyManager.add_action(user_id=user_id, policy_id=uuid,
-                                            perimeter_id=perimeter_id, value=request.json)
+            data = PolicyManager.add_action(
+                user_id=user_id, policy_id=uuid,
+                perimeter_id=perimeter_id, value=request.json)
         except Exception as e:
             LOG.error(e, exc_info=True)
             return {"result": False,
-                    "error": str(e)}
+                    "error": str(e)}, 500
         return {"actions": data}
 
     @check_auth
@@ -398,12 +413,13 @@ class Actions(Resource):
                     if data_value['name'] == request.json['name']:
                         perimeter_id = data_id
                         break
-            data = PolicyManager.add_action(user_id=user_id, policy_id=uuid,
-                                            perimeter_id=perimeter_id, value=request.json)
+            data = PolicyManager.add_action(
+                user_id=user_id, policy_id=uuid,
+                perimeter_id=perimeter_id, value=request.json)
         except Exception as e:
             LOG.error(e, exc_info=True)
             return {"result": False,
-                    "error": str(e)}
+                    "error": str(e)}, 500
         return {"actions": data}
 
     @check_auth
@@ -422,9 +438,10 @@ class Actions(Resource):
         :internal_api: delete_action
         """
         try:
-            data = PolicyManager.delete_action(user_id=user_id, policy_id=uuid, perimeter_id=perimeter_id)
+            data = PolicyManager.delete_action(
+                user_id=user_id, policy_id=uuid, perimeter_id=perimeter_id)
         except Exception as e:
             LOG.error(e, exc_info=True)
             return {"result": False,
-                    "error": str(e)}
+                    "error": str(e)}, 500
         return {"result": True}
diff --git a/moonv4/moon_manager/moon_manager/api/policies.py b/moonv4/moon_manager/moon_manager/api/policies.py
index 737b988e..8ef11a0d 100644
--- a/moonv4/moon_manager/moon_manager/api/policies.py
+++ b/moonv4/moon_manager/moon_manager/api/policies.py
@@ -51,7 +51,7 @@ class Policies(Resource):
         except Exception as e:
             LOG.error(e, exc_info=True)
             return {"result": False,
-                    "error": str(e)}
+                    "error": str(e)}, 500
         return {"policies": data}
 
     @check_auth
@@ -77,11 +77,12 @@ class Policies(Resource):
         :internal_api: add_policy
         """
         try:
-            data = PolicyManager.add_policy(user_id=user_id, policy_id=uuid, value=request.json)
+            data = PolicyManager.add_policy(
+                user_id=user_id, policy_id=uuid, value=request.json)
         except Exception as e:
             LOG.error(e, exc_info=True)
             return {"result": False,
-                    "error": str(e)}
+                    "error": str(e)}, 500
         return {"policies": data}
 
     @check_auth
@@ -101,7 +102,7 @@ class Policies(Resource):
         except Exception as e:
             LOG.error(e, exc_info=True)
             return {"result": False,
-                    "error": str(e)}
+                    "error": str(e)}, 500
         return {"result": True}
 
     @check_auth
@@ -121,10 +122,11 @@ class Policies(Resource):
         :internal_api: update_policy
         """
         try:
-            data = PolicyManager.update_policy(user_id=user_id, policy_id=uuid, value=request.json)
+            data = PolicyManager.update_policy(
+                user_id=user_id, policy_id=uuid, value=request.json)
         except Exception as e:
             LOG.error(e, exc_info=True)
             return {"result": False,
-                    "error": str(e)}
+                    "error": str(e)}, 500
         return {"policies": data}
 
diff --git a/moonv4/moon_manager/moon_manager/api/rules.py b/moonv4/moon_manager/moon_manager/api/rules.py
index 8b1cf635..f7771f1a 100644
--- a/moonv4/moon_manager/moon_manager/api/rules.py
+++ b/moonv4/moon_manager/moon_manager/api/rules.py
@@ -9,7 +9,6 @@ Rules (TODO)
 from flask import request
 from flask_restful import Resource
 from oslo_log import log as logging
-from moon_utilities.security_functions import call
 from moon_utilities.security_functions import check_auth
 from moon_db.core import PolicyManager
 
@@ -40,8 +39,10 @@ class Rules(Resource):
             "rules": [
                 "policy_id": "policy_id1",
                 "meta_rule_id": "meta_rule_id1",
-                "rule_id1": ["subject_data_id1", "object_data_id1", "action_data_id1"],
-                "rule_id2": ["subject_data_id2", "object_data_id2", "action_data_id2"],
+                "rule_id1":
+                    ["subject_data_id1", "object_data_id1", "action_data_id1"],
+                "rule_id2":
+                    ["subject_data_id2", "object_data_id2", "action_data_id2"],
             ]
         }
         :internal_api: get_rules
@@ -53,7 +54,7 @@ class Rules(Resource):
         except Exception as e:
             LOG.error(e, exc_info=True)
             return {"result": False,
-                    "error": str(e)}
+                    "error": str(e)}, 500
         return {"rules": data}
 
     @check_auth
@@ -75,23 +76,31 @@ class Rules(Resource):
             "rules": [
                 "meta_rule_id": "meta_rule_id1",
                 "rule_id1": {
-                    "rule": ["subject_data_id1", "object_data_id1", "action_data_id1"],
+                    "rule": ["subject_data_id1",
+                             "object_data_id1",
+                             "action_data_id1"],
                     "instructions": (
-                        {"decision": "grant"},  # "grant" to immediately exit, 
-                                                # "continue" to wait for the result of next policy
-                                                # "deny" to deny the request
+                        {"decision": "grant"},
+                        # "grant" to immediately exit,
+                        # "continue" to wait for the result of next policy
+                        # "deny" to deny the request
                     )
                 }
                 "rule_id2": {
-                    "rule": ["subject_data_id2", "object_data_id2", "action_data_id2"],
+                    "rule": ["subject_data_id2",
+                             "object_data_id2",
+                             "action_data_id2"],
                     "instructions": (
                         {
                             "update": {
-                                "operation": "add",  # operations may be "add" or "delete"
-                                "target": "rbac:role:admin"  # add the role admin to the current user
+                                "operation": "add",
+                                    # operations may be "add" or "delete"
+                                "target": "rbac:role:admin"
+                                    # add the role admin to the current user
                             }
                         },
-                        {"chain": {"name": "rbac"}}  # chain with the policy named rbac
+                        {"chain": {"name": "rbac"}}
+                            # chain with the policy named rbac
                     )
                 }
             ]
@@ -107,7 +116,7 @@ class Rules(Resource):
         except Exception as e:
             LOG.error(e, exc_info=True)
             return {"result": False,
-                    "error": str(e)}
+                    "error": str(e)}, 500
         return {"rules": data}
 
     @check_auth
@@ -121,10 +130,11 @@ class Rules(Resource):
         :internal_api: delete_rule
         """
         try:
-            data = PolicyManager.delete_rule(user_id=user_id, policy_id=uuid, rule_id=rule_id)
+            data = PolicyManager.delete_rule(
+                user_id=user_id, policy_id=uuid, rule_id=rule_id)
         except Exception as e:
             LOG.error(e, exc_info=True)
             return {"result": False,
-                    "error": str(e)}
+                    "error": str(e)}, 500
         return {"result": True}
 
diff --git a/moonv4/moon_manager/moon_manager/http_server.py b/moonv4/moon_manager/moon_manager/http_server.py
index a59921f0..dfaa23ae 100644
--- a/moonv4/moon_manager/moon_manager/http_server.py
+++ b/moonv4/moon_manager/moon_manager/http_server.py
@@ -18,7 +18,7 @@ from moon_manager.api.perimeter import Subjects, Objects, Actions
 from moon_manager.api.data import SubjectData, ObjectData, ActionData
 from moon_manager.api.assignments import SubjectAssignments, ObjectAssignments, ActionAssignments
 from moon_manager.api.rules import Rules
-from moon_manager.api.containers import Container
+# from moon_manager.api.containers import Container
 from moon_utilities import configuration, exceptions
 
 logger = logging.getLogger("moon.manager.http")
@@ -73,7 +73,7 @@ __API__ = (
     Subjects, Objects, Actions,
     SubjectAssignments, ObjectAssignments, ActionAssignments,
     SubjectData, ObjectData, ActionData,
-    Rules, Container,
+    Rules, #Container,
     Models, Policies, PDP
  )