Fix clear_delta() function

NetworkConfig.clear_delta() appeared to be a noop, but can set the delta to
a nonempty string if delta is None.
This reverts a change I made here: https://gerrit.opnfv.org/gerrit/#/c/63385/6..7/dashboard/src/api/models.py

Change-Id: I72661ca9d889801fb6183943c8ae0e5e38cc960a
Signed-off-by: Parker Berberian <pberberian@iol.unh.edu>

diff --git a/dashboard/src/api/models.py b/dashboard/src/api/models.py
index f1e9130..7448ac4 100644 (file)
--- a/dashboard/src/api/models.py
+++ b/dashboard/src/api/models.py
@@ -488,7 +488,8 @@ class NetworkConfig(TaskConfig):
         return d
 
     def clear_delta(self):
-        pass
+        self.delta = json.dumps(self.to_dict())
+        self.save()
 
     def add_interface(self, interface):
         self.interfaces.add(interface)