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Diffstat (limited to 'nova/scheduler/filter_scheduler.py')
| -rw-r--r-- | nova/scheduler/filter_scheduler.py | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/nova/scheduler/filter_scheduler.py b/nova/scheduler/filter_scheduler.py index 4e5662e65..103aec940 100644 --- a/nova/scheduler/filter_scheduler.py +++ b/nova/scheduler/filter_scheduler.py @@ -161,6 +161,22 @@ class FilterScheduler(driver.Scheduler): raise exception.NoValidHost(reason="") return hosts + def select_destinations(self, context, request_spec, filter_properties): + """Selects a filtered set of hosts and nodes.""" + num_instances = request_spec['num_instances'] + instance_uuids = request_spec.get('instance_uuids') + selected_hosts = self._schedule(context, request_spec, + filter_properties, instance_uuids) + + # Couldn't fulfill the request_spec + if len(selected_hosts) < num_instances: + raise exception.NoValidHost(reason='') + + dests = [] + for host in selected_hosts: + dests.append((host.obj.host, host.obj.nodename)) + return dests + def _provision_resource(self, context, weighed_host, request_spec, filter_properties, requested_networks, injected_files, admin_password, is_first_time, instance_uuid=None): |