diff options
Diffstat (limited to 'nova/scheduler')
| -rw-r--r-- | nova/scheduler/base_scheduler.py | 16 |
1 files changed, 14 insertions, 2 deletions
diff --git a/nova/scheduler/base_scheduler.py b/nova/scheduler/base_scheduler.py index 35e5af035..e9c078b81 100644 --- a/nova/scheduler/base_scheduler.py +++ b/nova/scheduler/base_scheduler.py @@ -55,5 +55,17 @@ class BaseScheduler(abstract_scheduler.AbstractScheduler): scheduling objectives """ # NOTE(sirp): The default logic is the same as the NoopCostFunction - return [dict(weight=1, hostname=hostname, capabilities=capabilities) - for hostname, capabilities in hosts] + hosts = [dict(weight=1, hostname=hostname, capabilities=capabilities) + for hostname, capabilities in hosts] + + # NOTE(Vek): What we actually need to return is enough hosts + # for all the instances! + num_instances = request_spec.get('num_instances', 1) + instances = [] + while num_instances > len(hosts): + instances.extend(hosts) + num_instances -= len(hosts) + if num_instances > 0: + instances.extend(hosts[:num_instances]) + + return instances |