Merge pull request #111 from grahamc/rds-enhanced-monitoring

rds: accept configuring-enhanced-monitoring as a valid state

Author: grahamc

nixops_aws/resources/ec2_rds_dbinstance.py

@@ -225,6 +225,7 @@ def _wait_for_dbinstance(self, dbinstance, state="available"):
                 "backing-up",
                 "available",
                 "modifying",
+                "configuring-enhanced-monitoring",
             }:
                 raise Exception(
                     "RDS database instance ‘{0}’ in an error state (state is ‘{1}’)".format(