def _group_filter_with_filter_not_configured(self, policy):
self.flags(scheduler_default_filters=['f1', 'f2'])
sched = fakes.FakeFilterScheduler()
instance = fake_instance.fake_instance_obj(self.context,
params={'host': 'hostA'})
group = objects.InstanceGroup()
group.uuid = str(uuid.uuid4())
group.members = [instance.uuid]
group.policies = [policy]
filter_properties = {
'scheduler_hints': {
'group': group.uuid,
},
}
with contextlib.nested(
mock.patch.object(objects.InstanceGroup,
'get_by_uuid',
return_value=group),
mock.patch.object(objects.InstanceGroup,
'get_hosts',
return_value=['hostA']),
) as (get_group, get_hosts):
self.assertRaises(exception.NoValidHost,
sched._setup_instance_group, self.context,
filter_properties)
def _group_details_in_filter_properties(self,
group,
func='get_by_uuid',
hint=None,
policy=None):
sched = fakes.FakeFilterScheduler()
filter_properties = {
'scheduler_hints': {
'group': hint,
},
'group_hosts': ['hostB'],
}
with contextlib.nested(
mock.patch.object(objects.InstanceGroup,
func,
return_value=group),
mock.patch.object(objects.InstanceGroup,
'get_hosts',
return_value=['hostA']),
) as (get_group, get_hosts):
sched._supports_anti_affinity = True
update_group_hosts = sched._setup_instance_group(
self.context, filter_properties)
self.assertTrue(update_group_hosts)
self.assertEqual(set(['hostA', 'hostB']),
filter_properties['group_hosts'])
self.assertEqual([policy], filter_properties['group_policies'])
def test_retry_exceeded_max_attempts(self):
# Test for necessary explosion when max retries is exceeded and that
# the information needed in request_spec is still present for error
# handling
self.flags(scheduler_max_attempts=2)
sched = fakes.FakeFilterScheduler()
instance_properties = {'project_id': '12345', 'os_type': 'Linux'}
instance_uuids = ['fake-id']
request_spec = dict(instance_properties=instance_properties,
instance_uuids=instance_uuids)
retry = dict(num_attempts=2)
filter_properties = dict(retry=retry)
self.assertRaises(exception.NoValidHost,
sched.schedule_run_instance,
self.context,
request_spec,
admin_password=None,
injected_files=None,
requested_networks=None,
is_first_time=False,
filter_properties=filter_properties,
legacy_bdm_in_spec=False)
uuids = request_spec.get('instance_uuids')
self.assertEqual(uuids, instance_uuids)
def test_run_instance_non_admin(self):
"""Test creating an instance locally using run_instance, passing
a non-admin context. DB actions should work."""
self.was_admin = False
def fake_get(context, *args, **kwargs):
# make sure this is called with admin context, even though
# we're using user context below
self.was_admin = context.is_admin
return {}
sched = fakes.FakeFilterScheduler()
self.stubs.Set(sched.host_manager, 'get_all_host_states', fake_get)
fake_context = context.RequestContext('user', 'project')
request_spec = {
'instance_type': {
'memory_mb': 1,
'local_gb': 1
},
'instance_properties': {
'project_id': 1
}
}
self.assertRaises(exception.NoValidHost, sched.schedule_run_instance,
fake_context, request_spec, None)
self.assertTrue(self.was_admin)
def test_prep_resize_post_populates_retry(self):
self.manager.driver = fakes.FakeFilterScheduler()
image = 'image'
instance_uuid = 'fake-instance-id'
instance = fake_instance.fake_db_instance(uuid=instance_uuid)
instance_properties = {'project_id': 'fake', 'os_type': 'Linux'}
instance_type = "m1.tiny"
request_spec = {'instance_properties': instance_properties,
'instance_type': instance_type,
'instance_uuids': [instance_uuid]}
retry = {'hosts': [], 'num_attempts': 1}
filter_properties = {'retry': retry}
reservations = None
hosts = [dict(host='host', nodename='node', limits={})]
self._mox_schedule_method_helper('select_destinations')
self.manager.driver.select_destinations(
self.context, request_spec, filter_properties).AndReturn(hosts)
self.mox.StubOutWithMock(self.manager.compute_rpcapi, 'prep_resize')
self.manager.compute_rpcapi.prep_resize(self.context, image,
mox.IsA(instance_obj.Instance),
instance_type, 'host', reservations, request_spec=request_spec,
filter_properties=filter_properties, node='node')
self.mox.ReplayAll()
self.manager.prep_resize(self.context, image, request_spec,
filter_properties, instance, instance_type, reservations)
self.assertEqual([['host', 'node']],
filter_properties['retry']['hosts'])
def test_retry_attempt_two(self):
# Test retry logic when re-scheduling.
self.flags(scheduler_max_attempts=2)
sched = fakes.FakeFilterScheduler()
request_spec = dict(instance_properties={},
instance_uuids=['fake-uuid1'])
filter_properties = {'retry': {'num_attempts': 1}}
expected_filter_properties = {'retry': {'num_attempts': 2}}
self.mox.StubOutWithMock(sched, '_schedule')
self.mox.StubOutWithMock(sched, '_provision_resource')
sched._schedule(self.context, request_spec,
expected_filter_properties).AndReturn(['host1'])
sched._provision_resource(self.context,
'host1',
request_spec,
expected_filter_properties,
None,
None,
None,
None,
instance_uuid='fake-uuid1',
legacy_bdm_in_spec=False)
self.mox.ReplayAll()
sched.schedule_run_instance(self.context, request_spec, None, None,
None, None, filter_properties, False)
def _test_group_details_in_filter_properties(self, group, func, hint):
sched = fakes.FakeFilterScheduler()
filter_properties = {
'scheduler_hints': {
'group': hint,
},
'group_hosts': ['hostB'],
}
with contextlib.nested(
mock.patch.object(instance_group_obj.InstanceGroup,
func,
return_value=group),
mock.patch.object(instance_group_obj.InstanceGroup,
'get_hosts',
return_value=['hostA']),
) as (get_group, get_hosts):
update_group_hosts = sched._setup_instance_group(
self.context, filter_properties)
self.assertTrue(update_group_hosts)
self.assertEqual(set(['hostA', 'hostB']),
filter_properties['group_hosts'])
self.assertEqual(['anti-affinity'],
filter_properties['group_policies'])
def test_run_instance_non_admin(self):
self.was_admin = False
def fake_get(context, *args, **kwargs):
# make sure this is called with admin context, even though
# we're using user context below
self.was_admin = context.is_admin
return {}
sched = fakes.FakeFilterScheduler()
self.stubs.Set(sched.host_manager, 'get_all_host_states', fake_get)
fake_context = context.RequestContext('user', 'project')
uuid = 'fake-uuid1'
instance_properties = {'project_id': 1, 'os_type': 'Linux'}
request_spec = {'instance_type': {'memory_mb': 1, 'local_gb': 1},
'instance_properties': instance_properties,
'instance_uuids': [uuid]}
self.mox.StubOutWithMock(compute_utils, 'add_instance_fault_from_exc')
self.mox.StubOutWithMock(db, 'instance_update_and_get_original')
old_ref, new_ref = db.instance_update_and_get_original(fake_context,
uuid, {'vm_state': vm_states.ERROR, 'task_state':
None}).AndReturn(({}, {}))
compute_utils.add_instance_fault_from_exc(fake_context,
mox.IsA(conductor_api.LocalAPI), new_ref,
mox.IsA(exception.NoValidHost), mox.IgnoreArg())
self.mox.ReplayAll()
sched.schedule_run_instance(
fake_context, request_spec, None, None, None, None, {}, False)
self.assertTrue(self.was_admin)
def test_group_details_in_filter_properties(self):
sched = fakes.FakeFilterScheduler()
instance = fake_instance.fake_instance_obj(self.context,
params={'host': 'hostA'})
group = instance_group_obj.InstanceGroup()
group.uuid = str(uuid.uuid4())
group.members = [instance.uuid]
group.policies = ['anti-affinity']
filter_properties = {
'scheduler_hints': {
'group': group.uuid,
},
}
with contextlib.nested(
mock.patch.object(instance_group_obj.InstanceGroup,
'get_by_uuid',
return_value=group),
mock.patch.object(instance_group_obj.InstanceGroup,
'get_hosts',
return_value=['hostA']),
) as (get_group, get_hosts):
update_group_hosts = sched._setup_instance_group(
self.context, filter_properties)
self.assertTrue(update_group_hosts)
self.assertEqual(set(['hostA']), filter_properties['group_hosts'])
self.assertEqual(['anti-affinity'],
filter_properties['group_policies'])
def test_prep_resize_post_populates_retry(self):
"""Prep resize should add a ('host', 'node') entry to the retry dict"""
sched = fakes.FakeFilterScheduler()
image = 'image'
instance = db.instance_create(self.context, {})
instance_properties = {'project_id': 'fake', 'os_type': 'Linux'}
instance_type = instance_types.get_instance_type_by_name("m1.tiny")
request_spec = {'instance_properties': instance_properties,
'instance_type': instance_type}
retry = {'hosts': [], 'num_attempts': 1}
filter_properties = {'retry': retry}
reservations = None
host = fakes.FakeHostState('host', 'node', {})
weighed_host = weights.WeighedHost(host, 1)
weighed_hosts = [weighed_host]
self.mox.StubOutWithMock(sched, '_schedule')
self.mox.StubOutWithMock(sched.compute_rpcapi, 'prep_resize')
sched._schedule(self.context, request_spec, filter_properties,
[instance['uuid']]).AndReturn(weighed_hosts)
sched.compute_rpcapi.prep_resize(self.context, image, instance,
instance_type, 'host', reservations, request_spec=request_spec,
filter_properties=filter_properties, node='node')
self.mox.ReplayAll()
sched.schedule_prep_resize(self.context, image, request_spec,
filter_properties, instance, instance_type, reservations)
self.assertEqual([('host', 'node')],
filter_properties['retry']['hosts'])
def test_run_instance_no_hosts(self):
sched = fakes.FakeFilterScheduler()
uuid = 'fake-uuid1'
fake_context = context.RequestContext('user', 'project')
instance_properties = {'project_id': 1, 'os_type': 'Linux'}
request_spec = {
'instance_type': {
'memory_mb': 1,
'root_gb': 1,
'ephemeral_gb': 0
},
'instance_properties': instance_properties,
'instance_uuids': [uuid]
}
self.mox.StubOutWithMock(compute_utils, 'add_instance_fault_from_exc')
self.mox.StubOutWithMock(db, 'instance_update_and_get_original')
old_ref, new_ref = db.instance_update_and_get_original(
fake_context, uuid, {
'vm_state': vm_states.ERROR,
'task_state': None
}).AndReturn(({}, {}))
compute_utils.add_instance_fault_from_exc(
fake_context, new_ref, mox.IsA(exception.NoValidHost),
mox.IgnoreArg())
self.mox.StubOutWithMock(db, 'compute_node_get_all')
db.compute_node_get_all(mox.IgnoreArg()).AndReturn([])
self.mox.ReplayAll()
sched.schedule_run_instance(fake_context, request_spec, None, None,
None, None, {}, False)
def test_handles_deleted_instance(self):
"""Test instance deletion while being scheduled."""
def _raise_instance_not_found(*args, **kwargs):
raise exception.InstanceNotFound(instance_id='123')
self.stubs.Set(driver, 'instance_update_db', _raise_instance_not_found)
sched = fakes.FakeFilterScheduler()
fake_context = context.RequestContext('user', 'project')
host_state = host_manager.HostState('host2', 'node2')
weighted_host = weights.WeighedHost(host_state, 1.42)
filter_properties = {}
uuid = 'fake-uuid1'
instance_properties = {'project_id': 1, 'os_type': 'Linux'}
request_spec = {
'instance_type': {
'memory_mb': 1,
'local_gb': 1
},
'instance_properties': instance_properties,
'instance_uuids': [uuid]
}
sched._provision_resource(fake_context, weighted_host, request_spec,
filter_properties, None, None, None, None)
def test_schedule_large_host_pool(self, mock_get_extra):
"""Hosts should still be chosen if pool size
is larger than number of filtered hosts.
"""
sched = fakes.FakeFilterScheduler()
fake_context = context.RequestContext('user', 'project', is_admin=True)
self.flags(scheduler_host_subset_size=20)
self.stubs.Set(sched.host_manager, 'get_filtered_hosts',
fake_get_filtered_hosts)
fakes.mox_host_manager_db_calls(self.mox, fake_context)
instance_properties = {
'project_id': 1,
'root_gb': 512,
'memory_mb': 512,
'ephemeral_gb': 0,
'vcpus': 1,
'os_type': 'Linux',
'uuid': 'fake-uuid'
}
request_spec = dict(instance_properties=instance_properties,
instance_type={})
filter_properties = {}
self.mox.ReplayAll()
hosts = sched._schedule(self.context,
request_spec,
filter_properties=filter_properties)
# one host should be chose
self.assertEqual(len(hosts), 1)
def test_schedule_prep_resize_doesnt_update_host(self):
fake_context = context.RequestContext('user', 'project',
is_admin=True)
sched = fakes.FakeFilterScheduler()
def _return_hosts(*args, **kwargs):
host_state = host_manager.HostState('host2', 'node2')
return [weights.WeighedHost(host_state, 1.0)]
self.stubs.Set(sched, '_schedule', _return_hosts)
info = {'called': 0}
def _fake_instance_update_db(*args, **kwargs):
# This should not be called
info['called'] = 1
self.stubs.Set(driver, 'instance_update_db',
_fake_instance_update_db)
instance = {'uuid': 'fake-uuid', 'host': 'host1'}
sched.schedule_prep_resize(fake_context, {}, {}, {},
instance, {}, None)
self.assertEqual(info['called'], 0)
def test_retry_force_nodes(self):
# Retry info should not get populated when re-scheduling is off.
self.flags(scheduler_max_attempts=2)
sched = fakes.FakeFilterScheduler()
request_spec = dict(instance_properties={},
instance_uuids=['fake-uuid1'])
filter_properties = {'force_nodes': ['force_node']}
self.mox.StubOutWithMock(sched, '_schedule')
self.mox.StubOutWithMock(sched, '_provision_resource')
sched._schedule(self.context, request_spec,
filter_properties).AndReturn(['host1'])
sched._provision_resource(self.context,
'host1',
request_spec,
filter_properties,
None,
None,
None,
None,
instance_uuid='fake-uuid1',
legacy_bdm_in_spec=False)
self.mox.ReplayAll()
sched.schedule_run_instance(self.context, request_spec, None, None,
None, None, filter_properties, False)
def test_schedule_host_pool(self):
"""Make sure the scheduler_host_subset_size property works properly."""
self.flags(scheduler_host_subset_size=2)
sched = fakes.FakeFilterScheduler()
fake_context = context.RequestContext('user', 'project', is_admin=True)
self.stubs.Set(sched.host_manager, 'get_filtered_hosts',
fake_get_filtered_hosts)
fakes.mox_host_manager_db_calls(self.mox, fake_context)
instance_properties = {
'project_id': 1,
'root_gb': 512,
'memory_mb': 512,
'ephemeral_gb': 0,
'vcpus': 1,
'os_type': 'Linux'
}
request_spec = dict(instance_properties=instance_properties,
instance_type={})
filter_properties = {}
self.mox.ReplayAll()
hosts = sched._schedule(self.context,
request_spec,
filter_properties=filter_properties)
# one host should be chosen
self.assertEqual(len(hosts), 1)
def test_get_cost_functions(self):
self.flags(reserved_host_memory_mb=128)
fixture = fakes.FakeFilterScheduler()
fns = fixture.get_cost_functions()
self.assertEquals(len(fns), 1)
weight, fn = fns[0]
self.assertEquals(weight, -1.0)
hostinfo = host_manager.HostState('host', 'compute')
hostinfo.update_from_compute_node(
dict(memory_mb=1000, local_gb=0, vcpus=1))
self.assertEquals(1000 - 128, fn(hostinfo, {}))
def test_add_retry_host(self):
retry = dict(num_attempts=1, hosts=[])
filter_properties = dict(retry=retry)
host = "fakehost"
sched = fakes.FakeFilterScheduler()
sched._add_retry_host(filter_properties, host)
hosts = filter_properties['retry']['hosts']
self.assertEqual(1, len(hosts))
self.assertEqual(host, hosts[0])
def test_get_cost_functions(self):
fixture = fakes.FakeFilterScheduler()
fns = fixture.get_cost_functions()
self.assertEquals(len(fns), 1)
weight, fn = fns[0]
self.assertEquals(weight, -1.0)
hostinfo = host_manager.HostState('host', 'compute')
hostinfo.update_from_compute_node(dict(memory_mb=1000,
local_gb=0, vcpus=1, disk_available_least=1000,
free_disk_mb=1000, free_ram_mb=872, vcpus_used=0,
local_gb_used=0))
self.assertEquals(872, fn(hostinfo, {}))
def test_retry_exceeded_max_attempts(self):
"""Test for necessary explosion when max retries is exceeded"""
self.flags(scheduler_max_attempts=2)
sched = fakes.FakeFilterScheduler()
instance_properties = {'project_id': '12345', 'os_type': 'Linux'}
request_spec = dict(instance_properties=instance_properties)
retry = dict(num_attempts=2)
filter_properties = dict(retry=retry)
self.assertRaises(exception.NoValidHost, sched._schedule, self.context,
request_spec, filter_properties=filter_properties)
def test_select_destinations(self, mock_get_extra):
"""select_destinations is basically a wrapper around _schedule().
Similar to the _schedule tests, this just does a happy path test to
ensure there is nothing glaringly wrong.
"""
self.next_weight = 1.0
selected_hosts = []
selected_nodes = []
def _fake_weigh_objects(_self, functions, hosts, options):
self.next_weight += 2.0
host_state = hosts[0]
selected_hosts.append(host_state.host)
selected_nodes.append(host_state.nodename)
return [weights.WeighedHost(host_state, self.next_weight)]
sched = fakes.FakeFilterScheduler()
fake_context = context.RequestContext('user', 'project', is_admin=True)
self.stubs.Set(sched.host_manager, 'get_filtered_hosts',
fake_get_filtered_hosts)
self.stubs.Set(weights.HostWeightHandler, 'get_weighed_objects',
_fake_weigh_objects)
fakes.mox_host_manager_db_calls(self.mox, fake_context)
request_spec = {
'instance_type': {
'memory_mb': 512,
'root_gb': 512,
'ephemeral_gb': 0,
'vcpus': 1
},
'instance_properties': {
'project_id': 1,
'root_gb': 512,
'memory_mb': 512,
'ephemeral_gb': 0,
'vcpus': 1,
'os_type': 'Linux',
'uuid': 'fake-uuid'
},
'num_instances': 1
}
self.mox.ReplayAll()
dests = sched.select_destinations(fake_context, request_spec, {})
(host, node) = (dests[0]['host'], dests[0]['nodename'])
self.assertEqual(host, selected_hosts[0])
self.assertEqual(node, selected_nodes[0])
def test_retry_disabled(self):
"""Retry info should not get populated when re-scheduling is off"""
self.flags(scheduler_max_attempts=1)
sched = fakes.FakeFilterScheduler()
instance_properties = {'project_id': '12345', 'os_type': 'Linux'}
request_spec = dict(instance_properties=instance_properties)
filter_properties = {}
sched._schedule(self.context, request_spec,
filter_properties=filter_properties)
# should not have retry info in the populated filter properties:
self.assertFalse("retry" in filter_properties)
def test_retry_attempt_one(self):
"""Test retry logic on initial scheduling attempt"""
self.flags(scheduler_max_attempts=2)
sched = fakes.FakeFilterScheduler()
instance_properties = {'project_id': '12345', 'os_type': 'Linux'}
request_spec = dict(instance_properties=instance_properties)
filter_properties = {}
sched._schedule(self.context, request_spec,
filter_properties=filter_properties)
num_attempts = filter_properties['retry']['num_attempts']
self.assertEqual(1, num_attempts)
def test_post_select_populate(self):
"""Test addition of certain filter props after a host is selected"""
retry = {'hosts': [], 'num_attempts': 1}
filter_properties = {'retry': retry}
sched = fakes.FakeFilterScheduler()
host_state = host_manager.HostState('host', 'node')
host_state.limits['vcpus'] = 5
sched._post_select_populate_filter_properties(filter_properties,
host_state)
self.assertEqual('host', filter_properties['retry']['hosts'][0])
self.assertEqual({'vcpus': 5}, host_state.limits)
def test_retry_exceeded_max_attempts(self):
# Test for necessary explosion when max retries is exceeded and that
# the information needed in request_spec is still present for error
# handling
self.flags(scheduler_max_attempts=2)
sched = fakes.FakeFilterScheduler()
request_spec = dict(instance_properties={},
instance_uuids=['fake-uuid1'])
filter_properties = {'retry': {'num_attempts': 2}}
self.mox.ReplayAll()
self.assertRaises(exception.NoValidHost, sched.schedule_run_instance,
self.context, request_spec, None, None, None, None,
filter_properties, False)
def test_schedule_chooses_best_host(self, mock_get_extra):
"""If scheduler_host_subset_size is 1, the largest host with greatest
weight should be returned.
"""
self.flags(scheduler_host_subset_size=1)
sched = fakes.FakeFilterScheduler()
fake_context = context.RequestContext('user', 'project', is_admin=True)
self.stubs.Set(sched.host_manager, 'get_filtered_hosts',
fake_get_filtered_hosts)
fakes.mox_host_manager_db_calls(self.mox, fake_context)
self.next_weight = 50
def _fake_weigh_objects(_self, functions, hosts, options):
this_weight = self.next_weight
self.next_weight = 0
host_state = hosts[0]
return [weights.WeighedHost(host_state, this_weight)]
instance_properties = {
'project_id': 1,
'root_gb': 512,
'memory_mb': 512,
'ephemeral_gb': 0,
'vcpus': 1,
'os_type': 'Linux',
'uuid': 'fake-uuid'
}
request_spec = dict(instance_properties=instance_properties,
instance_type={})
self.stubs.Set(weights.HostWeightHandler, 'get_weighed_objects',
_fake_weigh_objects)
filter_properties = {}
self.mox.ReplayAll()
hosts = sched._schedule(self.context,
request_spec,
filter_properties=filter_properties)
# one host should be chosen
self.assertEqual(1, len(hosts))
self.assertEqual(50, hosts[0].weight)
def test_retry_attempt_two(self):
"""Test retry logic when re-scheduling"""
self.flags(scheduler_max_attempts=2)
sched = fakes.FakeFilterScheduler()
instance_properties = {'project_id': '12345', 'os_type': 'Linux'}
request_spec = dict(instance_properties=instance_properties)
retry = dict(num_attempts=1)
filter_properties = dict(retry=retry)
sched._schedule(self.context, request_spec,
filter_properties=filter_properties)
num_attempts = filter_properties['retry']['num_attempts']
self.assertEqual(2, num_attempts)
def test_select_hosts_happy_day(self):
"""select_hosts is basically a wrapper around the _select() method.
Similar to the _select tests, this just does a happy path test to
ensure there is nothing glaringly wrong.
"""
self.next_weight = 1.0
selected_hosts = []
def _fake_weigh_objects(_self, functions, hosts, options):
self.next_weight += 2.0
host_state = hosts[0]
selected_hosts.append(host_state.host)
return [weights.WeighedHost(host_state, self.next_weight)]
sched = fakes.FakeFilterScheduler()
fake_context = context.RequestContext('user', 'project', is_admin=True)
self.stubs.Set(sched.host_manager, 'get_filtered_hosts',
fake_get_filtered_hosts)
self.stubs.Set(weights.HostWeightHandler, 'get_weighed_objects',
_fake_weigh_objects)
fakes.mox_host_manager_db_calls(self.mox, fake_context)
request_spec = {
'num_instances': 10,
'instance_type': {
'memory_mb': 512,
'root_gb': 512,
'ephemeral_gb': 0,
'vcpus': 1
},
'instance_properties': {
'project_id': 1,
'root_gb': 512,
'memory_mb': 512,
'ephemeral_gb': 0,
'vcpus': 1,
'os_type': 'Linux'
}
}
self.mox.ReplayAll()
hosts = sched.select_hosts(fake_context, request_spec, {})
self.assertEquals(len(hosts), 10)
self.assertEquals(hosts, selected_hosts)
def test_retry_force_nodes(self):
# Retry info should not get populated when re-scheduling is off.
self.flags(scheduler_max_attempts=2)
sched = fakes.FakeFilterScheduler()
instance_properties = {'project_id': '12345', 'os_type': 'Linux'}
request_spec = dict(instance_properties=instance_properties)
filter_properties = dict(force_nodes=['force_node'])
self.mox.StubOutWithMock(db, 'compute_node_get_all')
db.compute_node_get_all(mox.IgnoreArg()).AndReturn([])
self.mox.ReplayAll()
sched._schedule(self.context, request_spec,
filter_properties=filter_properties)
# should not have retry info in the populated filter properties:
self.assertNotIn("retry", filter_properties)
def test_schedule_happy_day(self, mock_get_extra):
"""Make sure there's nothing glaringly wrong with _schedule()
by doing a happy day pass through.
"""
self.next_weight = 1.0
def _fake_weigh_objects(_self, functions, hosts, options):
self.next_weight += 2.0
host_state = hosts[0]
return [weights.WeighedHost(host_state, self.next_weight)]
sched = fakes.FakeFilterScheduler()
fake_context = context.RequestContext('user', 'project', is_admin=True)
self.stubs.Set(sched.host_manager, 'get_filtered_hosts',
fake_get_filtered_hosts)
self.stubs.Set(weights.HostWeightHandler, 'get_weighed_objects',
_fake_weigh_objects)
fakes.mox_host_manager_db_calls(self.mox, fake_context)
request_spec = {
'num_instances': 10,
'instance_type': {
'memory_mb': 512,
'root_gb': 512,
'ephemeral_gb': 0,
'vcpus': 1
},
'instance_properties': {
'project_id': 1,
'root_gb': 512,
'memory_mb': 512,
'ephemeral_gb': 0,
'vcpus': 1,
'os_type': 'Linux',
'uuid': 'fake-uuid'
}
}
self.mox.ReplayAll()
weighed_hosts = sched._schedule(fake_context, request_spec, {})
self.assertEqual(len(weighed_hosts), 10)
for weighed_host in weighed_hosts:
self.assertIsNotNone(weighed_host.obj)
