Begin to introduce a DCL alike view for VMs

uncloud/uncloud_vm/serializers.py

@@ -42,6 +42,22 @@ class VMProductSerializer(serializers.HyperlinkedModelSerializer):
                 'cores', 'ram_in_gb', 'recurring_period']
         read_only_fields = ['uuid', 'order', 'owner', 'status']
 
+
+class DCLVMProductSerializer(serializers.HyperlinkedModelSerializer):
+    """
+    Create an interface similar to standard DCL
+    """
+
+    # Custom field used at creation (= ordering) only.
+    recurring_period = serializers.ChoiceField(
+        choices=VMProduct.allowed_recurring_periods())
+
+    os_disk_uuid = serializers.UUIDField()
+    # os_disk_size =
+
+    class Meta:
+        model = VMProduct
+
 class ManagedVMProductSerializer(serializers.ModelSerializer):
     """
     Managed VM serializer used in ungleich_service app.