diff options
Diffstat (limited to 'app/discover/fetchers/db/db_fetch_availability_zones.py')
| -rw-r--r-- | app/discover/fetchers/db/db_fetch_availability_zones.py | 22 |
1 files changed, 22 insertions, 0 deletions
diff --git a/app/discover/fetchers/db/db_fetch_availability_zones.py b/app/discover/fetchers/db/db_fetch_availability_zones.py new file mode 100644 index 0000000..763d777 --- /dev/null +++ b/app/discover/fetchers/db/db_fetch_availability_zones.py @@ -0,0 +1,22 @@ +############################################################################### +# Copyright (c) 2017 Koren Lev (Cisco Systems), Yaron Yogev (Cisco Systems) # +# and others # +# # +# All rights reserved. This program and the accompanying materials # +# are made available under the terms of the Apache License, Version 2.0 # +# which accompanies this distribution, and is available at # +# http://www.apache.org/licenses/LICENSE-2.0 # +############################################################################### +from discover.fetchers.db.db_access import DbAccess + +class DbFetchAvailabilityZones(DbAccess): + + def get(self, id): + query = """ + SELECT DISTINCT availability_zone, + availability_zone AS id, COUNT(DISTINCT host) AS descendants + FROM nova.instances + WHERE availability_zone IS NOT NULL + GROUP BY availability_zone + """ + return self.get_objects_list(query, "availability zone") |