From df4e4b6a49ebcb890f4ea0d1b1e91618586e67a5 Mon Sep 17 00:00:00 2001
From: Davanum Srinivas <dims@linux.vnet.ibm.com>
Date: Fri, 1 Feb 2013 10:07:06 -0500
Subject: [PATCH] Postgres does not like empty strings for type inet

Check for empty string and explicitly set address to None

Fixes LP# 1112536

Change-Id: Ib6f1ca9ab4dd11a53e2ab8057664136166b4c616
---
 nova/db/sqlalchemy/api.py | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/nova/db/sqlalchemy/api.py b/nova/db/sqlalchemy/api.py
index ad7e4f21f98..7ba4c73f5ee 100644
--- a/nova/db/sqlalchemy/api.py
+++ b/nova/db/sqlalchemy/api.py
@@ -890,6 +890,11 @@ def floating_ip_get_by_address(context, address):
 
 @require_context
 def _floating_ip_get_by_address(context, address, session=None):
+
+    # if address string is empty explicitly set it to None
+    if not address:
+        address = None
+
     result = model_query(context, models.FloatingIp, session=session).\
                 filter_by(address=address).\
                 first()