def _create_instance_with_availability_zone(self, zone_name):
def create(*args, **kwargs):
self.assertIn('availability_zone', kwargs)
self.assertEqual('nova', kwargs['availability_zone'])
return old_create(*args, **kwargs)
old_create = compute_api.API.create
self.stub_out('nova.compute.api.API.create', create)
image_href = '76fa36fc-c930-4bf3-8c8a-ea2a2420deb6'
flavor_ref = ('http://localhost' + self.base_url + 'flavors/3')
body = {
'server': {
'name': 'server_test',
'imageRef': image_href,
'flavorRef': flavor_ref,
'metadata': {
'hello': 'world',
'open': 'stack',
},
'availability_zone': zone_name,
},
}
admin_context = context.get_admin_context()
db.service_create(admin_context, {'host': 'host1_zones',
'binary': "nova-compute",
'topic': 'compute',
'report_count': 0})
agg = objects.Aggregate(admin_context,
name='agg1',
uuid=uuidsentinel.agg_uuid,
metadata={'availability_zone': 'nova'})
agg.create()
agg.add_host('host1_zones')
return self.req, body
def _create_compute_service(self):
"""Create compute-manager(ComputeNode and Service record)."""
ctxt = self.req.environ["nova.context"]
dic = {
'host': 'dummy',
'binary': 'nova-compute',
'topic': 'compute',
'report_count': 0
}
s_ref = db.service_create(ctxt, dic)
dic = {
'service_id': s_ref['id'],
'host': s_ref['host'],
'uuid': uuidsentinel.compute_node,
'vcpus': 16,
'memory_mb': 32,
'local_gb': 100,
'vcpus_used': 16,
'memory_mb_used': 32,
'local_gb_used': 10,
'hypervisor_type': 'qemu',
'hypervisor_version': 12003,
'cpu_info': '',
'stats': ''
}
db.compute_node_create(ctxt, dic)
return db.service_get(ctxt, s_ref['id'])
def _create_service_with_topic(self, topic, host, disabled=False):
values = {
'binary': 'nova-bin',
'host': host,
'topic': topic,
'disabled': disabled,
}
return db.service_create(self.context, values)
def _create_service_with_topic(self, topic, host, disabled=False):
values = {
'binary': 'nova-bin',
'host': host,
'topic': topic,
'disabled': disabled,
}
return db.service_create(self.context, values)
def test_populate_missing_availability_zones(self):
# create two instances once with avz set and other not set.
inst1 = self._create_instance(host="fake-host1")
uuid1 = inst1.uuid
inst2 = self._create_instance(availability_zone="fake",
host="fake-host2")
# ... and one without a host (simulating failed spawn)
self._create_instance(host=None)
self.assertIsNone(inst1.availability_zone)
self.assertEqual("fake", inst2.availability_zone)
count_all, count_hit = (
objects.instance.populate_missing_availability_zones(
self.context, 10))
# we get only the instance whose avz was None and where host is set
self.assertEqual(1, count_all)
self.assertEqual(1, count_hit)
# since instance has no avz, avz is set by get_host_availability_zone
# to CONF.default_availability_zone i.e 'nova' which is the default
# zone for compute services.
inst1 = objects.Instance.get_by_uuid(self.context, uuid1)
self.assertEqual('nova', inst1.availability_zone)
# create an instance with avz as None on a host that has avz.
host = 'fake-host'
agg_meta = {
'name': 'az_agg',
'uuid': uuidutils.generate_uuid(),
'metadata': {
'availability_zone': 'nova-test'
}
}
agg = objects.Aggregate(self.context, **agg_meta)
agg.create()
agg = objects.Aggregate.get_by_id(self.context, agg.id)
values = {
'binary': 'nova-compute',
'host': host,
'topic': 'compute',
'disabled': False,
}
service = db.service_create(self.context, values)
agg.add_host(service['host'])
inst3 = self._create_instance(host=host)
uuid3 = inst3.uuid
self.assertIsNone(inst3.availability_zone)
count_all, count_hit = (
objects.instance.populate_missing_availability_zones(
self.context, 10))
# we get only the instance whose avz was None i.e inst3.
self.assertEqual(1, count_all)
self.assertEqual(1, count_hit)
inst3 = objects.Instance.get_by_uuid(self.context, uuid3)
self.assertEqual('nova-test', inst3.availability_zone)
def test_from_db_object_without_uuid_generates_one(self, generate_uuid):
values = _fake_service(uuid=None, id=None)
db_service = db.service_create(self.context, values)
s = service.Service()
service.Service._from_db_object(self.context, s, db_service)
self.assertEqual(uuidsentinel.service4, s.uuid)
# Check the DB too
db_service2 = db.service_get(self.context, s.id)
self.assertEqual(s.uuid, db_service2['uuid'])
def test_from_db_object_without_uuid_generates_one(self, generate_uuid):
values = _fake_service(uuid=None, id=None)
db_service = db.service_create(self.context, values)
s = service.Service()
service.Service._from_db_object(self.context, s, db_service)
self.assertEqual(uuidsentinel.service4, s.uuid)
# Check the DB too
db_service2 = db.service_get(self.context, s.id)
self.assertEqual(s.uuid, db_service2['uuid'])
def create(self):
if self.obj_attr_is_set('id'):
raise exception.ObjectActionError(action='create',
reason='already created')
self._check_minimum_version()
updates = self.obj_get_changes()
if 'uuid' not in updates:
updates['uuid'] = uuidutils.generate_uuid()
self.uuid = updates['uuid']
db_service = db.service_create(self._context, updates)
self._from_db_object(self._context, self, db_service)
self._send_notification(fields.NotificationAction.CREATE)
def test_populate_missing_availability_zones(self):
# create two instances once with avz set and other not set.
inst1 = self._create_instance(host="fake-host1")
uuid1 = inst1.uuid
inst2 = self._create_instance(availability_zone="fake",
host="fake-host2")
# ... and one without a host (simulating failed spawn)
self._create_instance(host=None)
self.assertIsNone(inst1.availability_zone)
self.assertEqual("fake", inst2.availability_zone)
count_all, count_hit = (objects.instance.
populate_missing_availability_zones(self.context, 10))
# we get only the instance whose avz was None and where host is set
self.assertEqual(1, count_all)
self.assertEqual(1, count_hit)
# since instance has no avz, avz is set by get_host_availability_zone
# to CONF.default_availability_zone i.e 'nova' which is the default
# zone for compute services.
inst1 = objects.Instance.get_by_uuid(self.context, uuid1)
self.assertEqual('nova', inst1.availability_zone)
# create an instance with avz as None on a host that has avz.
host = 'fake-host'
agg_meta = {'name': 'az_agg', 'uuid': uuidutils.generate_uuid(),
'metadata': {'availability_zone': 'nova-test'}}
agg = objects.Aggregate(self.context, **agg_meta)
agg.create()
agg = objects.Aggregate.get_by_id(self.context, agg.id)
values = {
'binary': 'nova-compute',
'host': host,
'topic': 'compute',
'disabled': False,
}
service = db.service_create(self.context, values)
agg.add_host(service['host'])
inst3 = self._create_instance(host=host)
uuid3 = inst3.uuid
self.assertIsNone(inst3.availability_zone)
count_all, count_hit = (objects.instance.
populate_missing_availability_zones(self.context, 10))
# we get only the instance whose avz was None i.e inst3.
self.assertEqual(1, count_all)
self.assertEqual(1, count_hit)
inst3 = objects.Instance.get_by_uuid(self.context, uuid3)
self.assertEqual('nova-test', inst3.availability_zone)
def _create_compute_service(self):
"""Create compute-manager(ComputeNode and Service record)."""
ctxt = self.req.environ["nova.context"]
dic = {'host': 'dummy', 'binary': 'nova-compute', 'topic': 'compute',
'report_count': 0}
s_ref = db.service_create(ctxt, dic)
dic = {'service_id': s_ref['id'],
'host': s_ref['host'],
'uuid': uuidsentinel.compute_node,
'vcpus': 16, 'memory_mb': 32, 'local_gb': 100,
'vcpus_used': 16, 'memory_mb_used': 32, 'local_gb_used': 10,
'hypervisor_type': 'qemu', 'hypervisor_version': 12003,
'cpu_info': '', 'stats': ''}
db.compute_node_create(ctxt, dic)
return db.service_get(ctxt, s_ref['id'])
def test_instance_list_service_with_no_uuid(self):
# Create a nova-compute service record with a host that will match the
# instance's host, with no uuid. We can't do this through the
# Service object because it will automatically generate a uuid.
service = db.service_create(self.context, {'host': 'fake-host',
'binary': 'nova-compute'})
self.assertIsNone(service['uuid'])
# Create an instance whose host will match the service with no uuid
inst = objects.Instance(context=self.context,
project_id=self.context.project_id,
host='fake-host')
inst.create()
insts = objects.InstanceList.get_by_filters(
self.context, {}, expected_attrs=['services'])
self.assertEqual(1, len(insts))
self.assertEqual(1, len(insts[0].services))
self.assertIsNotNone(insts[0].services[0].uuid)
def test_instance_list_old_deleted_service_with_no_uuid(self):
# Create a nova-compute service record with a host that will match the
# instance's host, with no uuid. We can't do this through the
# Service object because it will automatically generate a uuid.
# Use service version 9, which is too old compared to the minimum
# version in the rest of the deployment.
service = db.service_create(self.context, {
'host': 'fake-host',
'binary': 'nova-compute',
'version': 9
})
self.assertIsNone(service['uuid'])
# Now delete it.
db.service_destroy(self.context, service['id'])
# Create a new service with the same host name that has a UUID and a
# current version.
new_service = objects.Service(context=self.context,
host='fake-host',
binary='nova-compute')
new_service.create()
# Create an instance whose host will match both services, including the
# deleted one.
inst = objects.Instance(context=self.context,
project_id=self.context.project_id,
host='fake-host')
inst.create()
insts = objects.InstanceList.get_by_filters(
self.context, {}, expected_attrs=['services'])
self.assertEqual(1, len(insts))
self.assertEqual(2, len(insts[0].services))
# Deleted service should not have a UUID
for service in insts[0].services:
if service.deleted:
self.assertNotIn('uuid', service)
else:
self.assertIsNotNone(service.uuid)
