Switched /api/v1/roles/ to a cursor paginator so we don't have to do a count() on that potentially very large result set

awx/api/serializers.py

@@ -1443,8 +1443,13 @@ class RoleSerializer(BaseSerializer):
 
     class Meta:
         model = Role
-        fields = ('*', 'description', 'name')
-        read_only_fields = ('description', 'name')
+        read_only_fields = ('id', 'role_field', 'description', 'name')
+
+    def to_representation(self, obj):
+        ret = super(RoleSerializer, self).to_representation(obj)
+        ret.pop('created')
+        ret.pop('modified')
+        return ret
 
     def get_related(self, obj):
         ret = super(RoleSerializer, self).get_related(obj)

awx/api/views.py

@@ -38,6 +38,7 @@ from rest_framework.permissions import AllowAny, IsAuthenticated
 from rest_framework.response import Response
 from rest_framework.settings import api_settings
 from rest_framework.views import exception_handler
+from rest_framework.pagination import CursorPagination
 from rest_framework import status
 
 # Django REST Framework YAML
@@ -3475,6 +3476,9 @@ class RoleList(ListAPIView):
     model = Role
     serializer_class = RoleSerializer
     permission_classes = (IsAuthenticated,)
+    class CursorPaginationById(CursorPagination):
+        ordering = 'id'
+    pagination_class = CursorPaginationById
     new_in_300 = True
 
     def get_queryset(self):