don't expose exception info on http response

Change-Id: Ibd38f68895489b4da49477f7306e3019b406f288
Closes-Bug: #1776635
Depends-On: Ide6906ee477aa7df9ab0918d3b45a7001afdcf74

vitrage/api/controllers/v1/alarm.py

@@ -18,7 +18,6 @@ import pecan
 
 
 from oslo_log import log
-from oslo_utils import encodeutils
 from oslo_utils.strutils import bool_from_string
 from osprofiler import profiler
 from pecan.core import abort
@@ -33,6 +32,7 @@ from vitrage.common.constants import VertexProperties as Vprops
 LOG = log.getLogger(__name__)
 
 
+# noinspection PyBroadException
 @profiler.trace_cls("alarm controller",
                     info={}, hide_args=False, trace_private=False)
 class AlarmsController(RootRestController):
@@ -54,10 +54,9 @@ class AlarmsController(RootRestController):
 
         try:
             return self._get_alarms(vitrage_id, all_tenants)
-        except Exception as e:
+        except Exception:
-            to_unicode = encodeutils.exception_to_unicode(e)
             LOG.exception('Failed to get alarms.')
-            abort(404, to_unicode)
+            abort(404, 'Failed to get alarms.')
 
     @staticmethod
     def _get_alarms(vitrage_id=None, all_tenants=False):
@@ -71,10 +70,9 @@ class AlarmsController(RootRestController):
             alarms_list = json.loads(alarms_json)['alarms']
             return alarms_list
 
-        except Exception as e:
+        except Exception:
-            to_unicode = encodeutils.exception_to_unicode(e)
             LOG.exception('Failed to open file.')
-            abort(404, to_unicode)
+            abort(404, 'Failed to get alarms')
 
     @pecan.expose('json')
     def get(self, vitrage_id):
@@ -87,10 +85,9 @@ class AlarmsController(RootRestController):
 
         try:
             return self._show_alarm(vitrage_id)
-        except Exception as e:
+        except Exception:
-            to_unicode = encodeutils.exception_to_unicode(e)
             LOG.exception('Failed to load JSON.')
-            abort(404, to_unicode)
+            abort(404, "Failed to show alarm.")
 
     @staticmethod
     def _show_alarm(vitrage_id):
@@ -103,7 +100,6 @@ class AlarmsController(RootRestController):
             alarms_list = json.loads(alarm_json)
             return alarms_list
 
-        except Exception as e:
+        except Exception:
-            to_unicode = encodeutils.exception_to_unicode(e)
             LOG.exception('Failed to load JSON.')
-            abort(404, to_unicode)
+            abort(404, 'Failed to show alarm.')

vitrage/api/controllers/v1/count.py

@@ -14,7 +14,6 @@ import json
 import pecan
 
 from oslo_log import log
-from oslo_utils import encodeutils
 from oslo_utils.strutils import bool_from_string
 from pecan.core import abort
 
@@ -25,6 +24,7 @@ from vitrage.api.policy import enforce
 LOG = log.getLogger(__name__)
 
 
+# noinspection PyBroadException
 class CountsController(RootRestController):
 
     @pecan.expose('json')
@@ -50,7 +50,6 @@ class CountsController(RootRestController):
 
             return json.loads(alarm_counts_json)
 
-        except Exception as e:
+        except Exception:
-            to_unicode = encodeutils.exception_to_unicode(e)
             LOG.exception('failed to get alarm count.')
-            abort(404, to_unicode)
+            abort(404, 'Failed to get alarm count.')

vitrage/api/controllers/v1/event.py

@@ -15,7 +15,6 @@
 import pecan
 
 from oslo_log import log
-from oslo_utils import encodeutils
 from osprofiler import profiler
 from pecan.core import abort
 
@@ -26,6 +25,7 @@ from vitrage.api.policy import enforce
 LOG = log.getLogger(__name__)
 
 
+# noinspection PyBroadException
 @profiler.trace_cls("event controller",
                     info={}, hide_args=False, trace_private=False)
 class EventController(RootRestController):
@@ -51,7 +51,6 @@ class EventController(RootRestController):
                                       event_time=event_time,
                                       event_type=event_type,
                                       details=details)
-        except Exception as e:
+        except Exception:
-            to_unicode = encodeutils.exception_to_unicode(e)
+            LOG.exception('Failed to post an event')
-            LOG.exception('Failed to post an event %s', to_unicode)
+            abort(404, 'Failed to post event')
-            abort(404, to_unicode)

vitrage/api/controllers/v1/rca.py

@@ -17,7 +17,6 @@ import json
 import pecan
 
 from oslo_log import log
-from oslo_utils import encodeutils
 from oslo_utils.strutils import bool_from_string
 from osprofiler import profiler
 from pecan.core import abort
@@ -28,6 +27,7 @@ from vitrage.api.policy import enforce
 LOG = log.getLogger(__name__)
 
 
+# noinspection PyBroadException
 @profiler.trace_cls("rca controller",
                     info={}, hide_args=False, trace_private=False)
 class RCAController(RootRestController):
@@ -59,7 +59,6 @@ class RCAController(RootRestController):
             graph = json.loads(graph_data)
             return graph
 
-        except Exception as e:
+        except Exception:
-            to_unicode = encodeutils.exception_to_unicode(e)
             LOG.exception('Failed to get RCA.')
-            abort(404, to_unicode)
+            abort(404, 'Failed to get RCA')

vitrage/api/controllers/v1/resource.py

@@ -13,7 +13,6 @@ import json
 import pecan
 
 from oslo_log import log
-from oslo_utils import encodeutils
 from oslo_utils.strutils import bool_from_string
 from osprofiler import profiler
 from pecan.core import abort
@@ -25,6 +24,7 @@ from vitrage.api.policy import enforce
 LOG = log.getLogger(__name__)
 
 
+# noinspection PyBroadException
 @profiler.trace_cls("resource controller",
                     info={}, hide_args=False, trace_private=False)
 class ResourcesController(RootRestController):
@@ -46,10 +46,9 @@ class ResourcesController(RootRestController):
 
         try:
             return self._get_resources(resource_type, all_tenants)
-        except Exception as e:
+        except Exception:
-            to_unicode = encodeutils.exception_to_unicode(e)
             LOG.exception('Failed to list resources.')
-            abort(404, to_unicode)
+            abort(404, 'Failed to list resources.')
 
     @staticmethod
     def _get_resources(resource_type=None, all_tenants=False):
@@ -64,10 +63,9 @@ class ResourcesController(RootRestController):
             LOG.info(resources_json)
             resources = json.loads(resources_json)['resources']
             return resources
-        except Exception as e:
+        except Exception:
-            to_unicode = encodeutils.exception_to_unicode(e)
             LOG.exception('Failed to get resources.')
-            abort(404, to_unicode)
+            abort(404, 'Failed to list resources.')
 
     @pecan.expose('json')
     def get(self, vitrage_id):
@@ -94,8 +92,7 @@ class ResourcesController(RootRestController):
             LOG.debug('resource found = %s', resource)
 
             return json.loads(resource)
-        except Exception as e:
+        except Exception:
-            to_unicode = encodeutils.exception_to_unicode(e)
             LOG.exception('failed to show resource with vitrage_id(%s).',
                           vitrage_id)
-            abort(404, to_unicode)
+            abort(404, 'Failed to show resource.')

vitrage/api/controllers/v1/template.py

@@ -15,7 +15,6 @@ import json
 import pecan
 
 from oslo_log import log
-from oslo_utils import encodeutils
 from osprofiler import profiler
 from pecan.core import abort
 
@@ -27,6 +26,7 @@ from vitrage.common.exception import VitrageError
 LOG = log.getLogger(__name__)
 
 
+# noinspection PyBroadException
 @profiler.trace_cls("template controller",
                     info={}, hide_args=False, trace_private=False)
 class TemplateController(RootRestController):
@@ -42,10 +42,9 @@ class TemplateController(RootRestController):
                 {})
         try:
             return self._get_templates()
-        except Exception as e:
+        except Exception:
-            to_unicode = encodeutils.exception_to_unicode(e)
             LOG.exception('failed to get template list.')
-            abort(404, to_unicode)
+            abort(404, 'Failed to get template list')
 
     @pecan.expose('json')
     def get(self, template_uuid):
@@ -59,11 +58,10 @@ class TemplateController(RootRestController):
 
         try:
             return self._show_template(template_uuid)
-        except Exception as e:
+        except Exception:
-            to_unicode = encodeutils.exception_to_unicode(e)
             LOG.exception('Failed to show template %s.',
                           template_uuid)
-            abort(404, to_unicode)
+            abort(404, 'Failed to show template.')
 
     @pecan.expose('json')
     def delete(self, **kwargs):
@@ -76,9 +74,9 @@ class TemplateController(RootRestController):
                 {})
         try:
             return self._delete(uuid)
-        except Exception as e:
+        except Exception:
             LOG.exception('Failed to delete template.')
-            abort(404, str(e))
+            abort(404, 'Failed to delete template.')
 
     @pecan.expose('json')
     def put(self, **kwargs):
@@ -93,9 +91,9 @@ class TemplateController(RootRestController):
 
         try:
             return self._add(templates, template_type)
-        except Exception as e:
+        except Exception:
             LOG.exception('Failed to add template.')
-            abort(404, str(e))
+            abort(404, 'Failed to add template.')
 
     @pecan.expose('json')
     def post(self, **kwargs):
@@ -112,10 +110,9 @@ class TemplateController(RootRestController):
 
         try:
             return self._validate(templates, template_type)
-        except Exception as e:
+        except Exception:
-            to_unicode = encodeutils.exception_to_unicode(e)
             LOG.exception('Failed to validate template(s).')
-            abort(404, to_unicode)
+            abort(404, 'Failed to validate template.')
 
     @classmethod
     def _get_templates(cls):
@@ -124,10 +121,9 @@ class TemplateController(RootRestController):
             templates = [t for t in templates if t.status != TStatus.DELETED]
             templates.sort(key=lambda template: template.created_at)
             return [cls._db_template_to_dict(t) for t in templates]
-        except Exception as e:
+        except Exception:
-            to_unicode = encodeutils.exception_to_unicode(e)
             LOG.exception('Failed to get template list.')
-            abort(404, to_unicode)
+            abort(404, 'Failed to get template list.')
 
     @staticmethod
     def _show_template(uuid):
@@ -136,10 +132,9 @@ class TemplateController(RootRestController):
             if not templates:
                 raise VitrageError("Template %s not found", uuid)
             return templates[0].file_content
-        except Exception as e:
+        except Exception:
-            to_unicode = encodeutils.exception_to_unicode(e)
             LOG.exception('Failed to show template with uuid: %s ', uuid)
-            abort(404, to_unicode)
+            abort(404, 'Failed to show template.')
 
     @staticmethod
     def _validate(templates, template_type):
@@ -150,10 +145,9 @@ class TemplateController(RootRestController):
                                                 template_type=template_type)
         try:
             return json.loads(result_json)
-        except Exception as e:
+        except Exception:
-            to_unicode = encodeutils.exception_to_unicode(e)
             LOG.exception('Failed to open template file(s).')
-            abort(404, to_unicode)
+            abort(404, 'Failed to validate template file.')
 
     @classmethod
     def _add(cls, templates, template_type):
@@ -164,9 +158,9 @@ class TemplateController(RootRestController):
                 templates=templates,
                 template_type=template_type)
             return results
-        except Exception as e:
+        except Exception:
             LOG.exception('Failed to add template file.')
-            abort(404, str(e))
+            abort(404, 'Failed to add template file.')
 
     @staticmethod
     def _db_template_to_dict(template):
@@ -187,6 +181,6 @@ class TemplateController(RootRestController):
                 'delete_template',
                 uuids=uuid)
             return results
-        except Exception as e:
+        except Exception:
             LOG.exception('Failed to delete template.')
-            abort(404, str(e))
+            abort(404, 'Failed to delete template.')

vitrage/api/controllers/v1/topology.py

@@ -16,7 +16,6 @@
 import json
 
 from oslo_log import log
-from oslo_utils import encodeutils
 from oslo_utils.strutils import bool_from_string
 from osprofiler import profiler
 import pecan
@@ -33,6 +32,7 @@ from vitrage.datasources.transformer_base import CLUSTER_ID
 LOG = log.getLogger(__name__)
 
 
+# noinspection PyBroadException
 @profiler.trace_cls("topology controller",
                     info={}, hide_args=False, trace_private=False)
 class TopologyController(RootRestController):
@@ -89,10 +89,9 @@ class TopologyController(RootRestController):
                             break
                 return RootRestController.as_tree(graph, node_id)
 
-        except Exception as e:
+        except Exception:
-            to_unicode = encodeutils.exception_to_unicode(e)
             LOG.exception('failed to get topology.')
-            abort(404, to_unicode)
+            abort(404, 'Failed to get topology.')
 
     @staticmethod
     def _check_input_para(graph_type, depth, query, root, all_tenants):

vitrage/api/controllers/v1/webhook.py

@@ -25,6 +25,7 @@ from vitrage.common.constants import TenantProps
 LOG = log.getLogger(__name__)
 
 
+# noinspection PyBroadException
 @profiler.trace_cls("webhook controller",
                     info={}, hide_args=False, trace_private=False)
 class WebhookController(RootRestController):
@@ -45,9 +46,9 @@ class WebhookController(RootRestController):
 
         try:
             return self._get_all(all_tenants)
-        except Exception as e:
+        except Exception:
             LOG.exception('Failed to list webhooks.')
-            abort(404, str(e))
+            abort(404, 'Failed to list webhooks.')
 
     @staticmethod
     def _get_all(all_tenants):
@@ -67,9 +68,9 @@ class WebhookController(RootRestController):
 
         try:
             return self._get(id)
-        except Exception as e:
+        except Exception:
-            LOG.exception('Failed to get webhooks.')
+            LOG.exception('Failed to get webhook.')
-            abort(404, str(e))
+            abort(404, 'Failed to get webhook.')
 
     @staticmethod
     def _get(id):
@@ -90,9 +91,9 @@ class WebhookController(RootRestController):
                 pecan.request.enforcer, {})
         try:
             return self._post(**kwargs)
-        except Exception as e:
+        except Exception:
             LOG.exception('Failed to add webhooks.')
-            abort(400, str(e))
+            abort(400, 'Failed to add webhooks.')
 
     @staticmethod
     def _post(**kwargs):
@@ -124,9 +125,9 @@ class WebhookController(RootRestController):
 
         try:
             return self._delete_registration(id)
-        except Exception as e:
+        except Exception:
             LOG.exception('Failed to delete webhook "%s"', id)
-            abort(404, str(e))
+            abort(404, 'Failed to delete webhook.')
 
     @staticmethod
     def _delete_registration(id):