Repare le get_instance de role

api/serializers.py

@@ -338,10 +338,15 @@ class OptionalMachineSerializer(NamespacedHMSerializer):
 class OptionalTopologieSerializer(NamespacedHMSerializer):
     """Serialize `preferences.models.OptionalTopologie` objects.
     """
+    switchs_management_interface_ip= serializers.CharField(read_only=True)
+
     class Meta:
         model = preferences.OptionalTopologie
         fields = ('radius_general_policy', 'vlan_decision_ok',
-                  'vlan_decision_nok')
+                  'vlan_decision_nok', 'switchs_ip_type', 'switchs_web_management',
+                  'switchs_web_management_ssl', 'switchs_rest_management',
+                  'switchs_management_utils', 'switchs_management_interface_ip',
+                  'provision_switchs_enabled')
 
 
 class GeneralOptionSerializer(NamespacedHMSerializer):

machines/models.py

@@ -1497,6 +1497,13 @@ class Role(RevMixin, AclMixin, models.Model):
             role=cls.objects.filter(specific_role=roletype)
         )
 
+    @classmethod
+    def all_interfaces_for_roletype(cls, roletype):
+        """Return all interfaces for a roletype"""
+        return Interface.objects.filter(
+            machine__interface__role=cls.objects.filter(specific_role=roletype)
+        )
+
     def save(self, *args, **kwargs):
         super(Role, self).save(*args, **kwargs)