def test_filter_handler(self):
# Double check at least a couple of known filters exist
filter_handler = filters.HostFilterHandler()
classes = filter_handler.get_matching_classes(
['nova.scheduler.filters.all_filters'])
self.assertIn(all_hosts_filter.AllHostsFilter, classes)
self.assertIn(compute_filter.ComputeFilter, classes)
def __init__(self):
self.cells = None
self.host_state_map = {}
self.filter_handler = filters.HostFilterHandler()
filter_classes = self.filter_handler.get_matching_classes(
CONF.filter_scheduler.available_filters)
self.filter_cls_map = {cls.__name__: cls for cls in filter_classes}
self.filter_obj_map = {}
self.enabled_filters = self._choose_host_filters(self._load_filters())
self.weight_handler = weights.HostWeightHandler()
weigher_classes = self.weight_handler.get_matching_classes(
CONF.filter_scheduler.weight_classes)
self.weighers = [cls() for cls in weigher_classes]
# Dict of aggregates keyed by their ID
self.aggs_by_id = {}
# Dict of set of aggregate IDs keyed by the name of the host belonging
# to those aggregates
self.host_aggregates_map = collections.defaultdict(set)
self._init_aggregates()
self.track_instance_changes = (
CONF.filter_scheduler.track_instance_changes)
# Dict of instances and status, keyed by host
self._instance_info = {}
if self.track_instance_changes:
self._init_instance_info()
def __init__(self):
self.host_state_map = {}
self.filter_handler = filters.HostFilterHandler()
self.filter_classes = self.filter_handler.get_matching_classes(
CONF.scheduler_available_filters)
self.weight_handler = weights.HostWeightHandler()
self.weight_classes = self.weight_handler.get_matching_classes(
CONF.scheduler_weight_classes)
def setUp(self):
super(HostFiltersTestCase, self).setUp()
self.context = context.RequestContext('fake', 'fake')
filter_handler = filters.HostFilterHandler()
classes = filter_handler.get_matching_classes(
['nova.scheduler.filters.all_filters'])
self.class_map = {}
for cls in classes:
self.class_map[cls.__name__] = cls
def __init__(self):
# { (host, hypervisor_hostname) : { <service> : { cap k : v }}}
self.service_states = {}
self.host_state_map = {}
self.filter_handler = filters.HostFilterHandler()
self.filter_classes = self.filter_handler.get_matching_classes(
CONF.scheduler_available_filters)
self.weight_handler = weights.HostWeightHandler()
self.weight_classes = self.weight_handler.get_matching_classes(
CONF.scheduler_weight_classes)
def __init__(self):
self.host_state_map = {}
self.filter_handler = filters.HostFilterHandler()
filter_classes = self.filter_handler.get_matching_classes(
CONF.scheduler_available_filters)
self.filter_cls_map = {cls.__name__: cls for cls in filter_classes}
self.filter_obj_map = {}
self.weight_handler = weights.HostWeightHandler()
weigher_classes = self.weight_handler.get_matching_classes(
CONF.scheduler_weight_classes)
self.weighers = [cls() for cls in weigher_classes]
def __init__(self, *args, **kwargs):
super(BaseBalancer, self).__init__(*args, **kwargs)
self.host_manager = importutils.import_object(
CONF.scheduler_host_manager)
self.filter_handler = filters.HostFilterHandler()
self.compute_api = compute_api.API()