trunk merge with migration renumbering

nova/db/api.py

@@ -1338,7 +1338,7 @@ def zone_create(context, values):
 
 def zone_update(context, zone_id, values):
     """Update a child Zone entry."""
-    return IMPL.zone_update(context, values)
+    return IMPL.zone_update(context, zone_id, values)
 
 
 def zone_delete(context, zone_id):

nova/db/sqlalchemy/api.py

@@ -3042,7 +3042,7 @@ def zone_update(context, zone_id, values):
     if not zone:
         raise exception.ZoneNotFound(zone_id=zone_id)
     zone.update(values)
-    zone.save()
+    zone.save(session=session)
     return zone
 
 

nova/utils.py

@@ -764,6 +764,17 @@ def is_uuid_like(val):
     return (len(val) == 36) and (val.count('-') == 4)
 
 
+def bool_from_str(val):
+    """Convert a string representation of a bool into a bool value"""
+
+    if not val:
+        return False
+    try:
+        return True if int(val) else False
+    except ValueError:
+        return val.lower() == 'true'
+
+
 class Bootstrapper(object):
     """Provides environment bootstrapping capabilities for entry points."""