redshift if cache is empty, query (#46)

cloud-custodian · May 3, 2016 · f7e093a · f7e093a
1 parent e854663
commit f7e093a
Showing 1 changed file with 2 additions and 1 deletion.
diff --git a/c7n/resources/redshift.py b/c7n/resources/redshift.py
@@ -50,7 +50,8 @@ def resources(self):
         if self._cache.load():
             dbs = self._cache.get(
                 {'region': self.config.region, 'resource': 'redshift'})
-            return self.filter_resources(dbs)
+            if dbs is not None:
+                return self.filter_resources(dbs)
         self.log.info('Querying redshift dbs')
         p = c.get_paginator('describe_clusters')
         results = p.paginate()