def fake_services(host):
service_list = [
objects.Service(id=0,
host=host,
forced_down=True,
binary='nova-compute')
]
return objects.ServiceList(objects=service_list)
def fake_service_get_all(context, filters=None, **kwargs):
disabled = filters.get('disabled') if filters else None
def __fake_service(binary, availability_zone, created_at, updated_at, host,
disabled):
db_s = dict(test_service.fake_service,
binary=binary,
availability_zone=availability_zone,
available_zones=availability_zone,
created_at=created_at,
updated_at=updated_at,
host=host,
disabled=disabled)
# The version field is immutable so remove that before creating the obj
db_s.pop('version', None)
return objects.Service(context, **db_s)
if disabled:
svcs = [
__fake_service("nova-compute", "zone-2",
datetime.datetime(2012, 11, 14, 9, 53, 25, 0),
datetime.datetime(2012, 12, 26, 14, 45, 25, 0),
"fake_host-1", True),
__fake_service("nova-scheduler", "internal",
datetime.datetime(2012, 11, 14, 9, 57, 3, 0),
datetime.datetime(2012, 12, 26, 14, 45, 25, 0),
"fake_host-1", True),
__fake_service("nova-network", "internal",
datetime.datetime(2012, 11, 16, 7, 25, 46, 0),
datetime.datetime(2012, 12, 26, 14, 45, 24, 0),
"fake_host-2", True)
]
else:
svcs = [
__fake_service("nova-compute", "zone-1",
datetime.datetime(2012, 11, 14, 9, 53, 25, 0),
datetime.datetime(2012, 12, 26, 14, 45, 25, 0),
"fake_host-1", False),
__fake_service("nova-sched", "internal",
datetime.datetime(2012, 11, 14, 9, 57, 3, 0),
datetime.datetime(2012, 12, 26, 14, 45, 25, 0),
"fake_host-1", False),
# nova-conductor is in the same zone and host as nova-sched
# and is here to make sure /detail filters out duplicates.
__fake_service("nova-conductor", "internal",
datetime.datetime(2012, 11, 14, 9, 57, 3, 0),
datetime.datetime(2012, 12, 26, 14, 45, 25, 0),
"fake_host-1", False),
__fake_service("nova-network", "internal",
datetime.datetime(2012, 11, 16, 7, 25, 46, 0),
datetime.datetime(2012, 12, 26, 14, 45, 24, 0),
"fake_host-2", False)
]
return objects.ServiceList(objects=svcs)
def test_hosts_up(self, mock_service_is_up, mock_get_by_topic):
service1 = objects.Service(host='host1')
service2 = objects.Service(host='host2')
services = objects.ServiceList(objects=[service1, service2])
mock_get_by_topic.return_value = services
mock_service_is_up.side_effect = [False, True]
result = self.driver.hosts_up(self.context, self.topic)
self.assertEqual(result, ['host2'])
mock_get_by_topic.assert_called_once_with(self.context, self.topic)
calls = [mock.call(service1), mock.call(service2)]
self.assertEqual(calls, mock_service_is_up.call_args_list)
def test_get_all(self, ga_mock):
hosts = ['fake-host1', 'fake-host2', 'fake-host3']
service_refs = objects.ServiceList(objects=[
objects.Service(host=host, topic='compute') for host in hosts])
ga_mock.return_value = service_refs
self.mc_client.get.side_effect = [
None,
True, # fake host 2 is enabled, all others disabled
None
]
services = self.servicegroup_api.get_all('compute')
self.assertEqual(['fake-host2'], services)
ga_mock.assert_called_once_with(mock.ANY, 'compute')
def service_get_all(self,
context,
filters=None,
set_zones=False,
all_cells=False,
cell_down_support=False):
"""Get all services.
Note that this is the cellsv1 variant, which means we ignore the
"all_cells" parameter.
"""
if filters is None:
filters = {}
if 'availability_zone' in filters:
zone_filter = filters.pop('availability_zone')
set_zones = True
else:
zone_filter = None
services = self.cells_rpcapi.service_get_all(context, filters=filters)
if set_zones:
# TODO(sbauza): set_availability_zones returns flat dicts,
# we should rather modify the RPC API to amend service_get_all by
# adding a set_zones argument
services = availability_zones.set_availability_zones(
context, services)
if zone_filter is not None:
services = [
s for s in services
if s['availability_zone'] == zone_filter
]
# NOTE(sbauza): As services is a list of flat dicts, we need to
# rehydrate the corresponding ServiceProxy objects
cell_paths = []
for service in services:
cell_path, id = cells_utils.split_cell_and_item(service['id'])
cell_path, host = cells_utils.split_cell_and_item(
service['host'])
service['id'] = id
service['host'] = host
cell_paths.append(cell_path)
services = obj_base.obj_make_list(context, objects.ServiceList(),
objects.Service, services)
services = [
cells_utils.ServiceProxy(s, c)
for s, c in zip(services, cell_paths)
]
return services
def test_hosts_up(self):
service1 = objects.Service(host='host1')
service2 = objects.Service(host='host2')
services = objects.ServiceList(objects=[service1, service2])
self.mox.StubOutWithMock(objects.ServiceList, 'get_by_topic')
self.mox.StubOutWithMock(servicegroup.API, 'service_is_up')
objects.ServiceList.get_by_topic(self.context,
self.topic).AndReturn(services)
self.servicegroup_api.service_is_up(service1).AndReturn(False)
self.servicegroup_api.service_is_up(service2).AndReturn(True)
self.mox.ReplayAll()
result = self.driver.hosts_up(self.context, self.topic)
self.assertEqual(result, ['host2'])
def service_get_all(self, context, filters=None, set_zones=False):
if filters is None:
filters = {}
if 'availability_zone' in filters:
zone_filter = filters.pop('availability_zone')
set_zones = True
else:
zone_filter = None
services = self.cells_rpcapi.service_get_all(context,
filters=filters)
if set_zones:
services = availability_zones.set_availability_zones(context,
services)
if zone_filter is not None:
services = [s for s in services
if s['availability_zone'] == zone_filter]
# NOTE(johannes): Cells adds the cell path as a prefix to the id
# to uniquely identify the service amongst all cells. Unfortunately
# the object model makes the id an integer. Use a proxy here to
# work around this particular problem.
# Split out the cell path first
cell_paths = []
for service in services:
cell_path, id = cells_utils.split_cell_and_item(service['id'])
service['id'] = id
cell_paths.append(cell_path)
# NOTE(danms): Currently cells does not support objects as
# return values, so just convert the db-formatted service objects
# to new-world objects here
services = obj_base.obj_make_list(context,
objects.ServiceList(),
objects.Service,
services)
# Now wrap it in the proxy with the original cell_path
services = [ServiceProxy(s, c) for s, c in zip(services, cell_paths)]
return services
