Extract role listing to settings.py

circle/circle/settings/base.py

@@ -618,3 +618,10 @@ DEFAULT_LEASE_DELETE_SECONDS = 7200
 SESSIONHOOK_SHARED_SECRET = "verysecretmuchsecure"
 
 IS_NET_OMISSION_SUPPORTED = False  # in mitaka you must specify network at vm creation
+
+ROLES_SHOWN = [
+    "_member_",
+    "circle_admin",
+    "developer",
+    "researcher",
+]

circle/dashboard/forms.py

@@ -580,7 +580,7 @@ class LeaseForm(forms.ModelForm):
 
         if roles:
             self.fields['roles'].choices = (
-                (role.name, role.name) for role in roles
+                (role, role) for role in roles
             )
 
             if self.instance.id:

circle/dashboard/views/template.py

@@ -444,7 +444,7 @@ class LeaseCreate(LoginRequiredMixin, PolicyMixin,
     def get_form_kwargs(self):
         from openstack_api import keystone
         kwargs = super(LeaseCreate, self).get_form_kwargs()
-        kwargs['roles'] = keystone.role_list(self.request)
+        kwargs['roles'] = settings.ROLES_SHOWN
         return kwargs
 
 
@@ -462,7 +462,7 @@ class LeaseDetail(LoginRequiredMixin, PolicyMixin,
     def get_form_kwargs(self):
         from openstack_api import keystone
         kwargs = super(LeaseDetail, self).get_form_kwargs()
-        kwargs['roles'] = keystone.role_list(self.request)
+        kwargs['roles'] = settings.ROLES_SHOWN
         return kwargs
 
     def get_context_data(self, *args, **kwargs):