The nova.availability_zones
Module¶
Availability zone helper functions.
-
get_availability_zones
(context, get_only_available=False, with_hosts=False)¶ Return available and unavailable zones on demand.
Parameters: - get_only_available – flag to determine whether to return available zones only, default False indicates return both available zones and not available zones, True indicates return available zones only
- with_hosts (bool) – whether to return hosts part of the AZs
-
get_host_availability_zone
(context, host)¶
-
get_instance_availability_zone
(context, instance)¶ Return availability zone of specified instance.
-
reset_cache
()¶ Reset the cache, mainly for testing purposes and update availability_zone for host aggregate
-
set_availability_zones
(context, services)¶
-
update_host_availability_zone_cache
(context, host, availability_zone=None)¶