Add reource_name in action input parameter field

(Partial implement)
Implements: blueprint add-resource-name-in-action-input-parameter-field

Depends-on: I51d879e31dee03652ee9d0d94a7f3168012cc060
Change-Id: I708cf63ff1d9a989604e1d5b834c8b7e5b087892

watcher/decision_engine/model/element/instance.py

@@ -46,6 +46,7 @@ class Instance(compute_resource.ComputeResource):
         # If the resource is excluded by the scope,
         # 'watcher_exclude' property will be set True.
         "watcher_exclude": wfields.BooleanField(default=False),
+        "name": wfields.StringField(),
         "state": wfields.StringField(default=InstanceState.ACTIVE.value),
         "memory": wfields.NonNegativeIntegerField(),
         "disk": wfields.IntegerField(),