def test_heal_vnf_with_infra_post_heal_vnf_fail(self, mock_log, mock_save):
heal_vnf_req = objects.HealVnfRequest(
vnfc_instance_id=[uuidsentinel.vnfc_instance_id_1])
vnf_instance = fakes.return_vnf_instance(
fields.VnfInstanceState.INSTANTIATED,
task_state=fields.VnfInstanceTaskState.HEALING)
vnf_instance.instantiated_vnf_info.instance_id =\
uuidsentinel.instance_id
self._mock_vnf_manager(fail_method_name='post_heal_vnf')
driver = vnflcm_driver.VnfLcmDriver()
self.assertRaises(exceptions.VnfHealFailed, driver.heal_vnf,
self.context, vnf_instance, heal_vnf_req)
self.assertEqual(1, mock_save.call_count)
self.assertEqual(3, self._vnf_manager.invoke.call_count)
self.assertEqual(fields.VnfInstanceTaskState.ERROR,
vnf_instance.task_state)
expected_msg = ('Failed to store updated resources information for '
'instance %(instance)s for vnf %(id)s. '
'Error: %(error)s')
mock_log.error.assert_called_with(
expected_msg, {
'instance': vnf_instance.instantiated_vnf_info.instance_id,
'id': vnf_instance.id,
'error': 'post_heal_vnf failed'
})
def test_heal_vnf_with_infra_heal_vnf_wait_fail(self, mock_log, mock_save):
heal_vnf_req = objects.HealVnfRequest(
vnfc_instance_id=[uuidsentinel.vnfc_instance_id_1])
vnf_instance = fakes.return_vnf_instance(
fields.VnfInstanceState.INSTANTIATED,
task_state=fields.VnfInstanceTaskState.HEALING)
vnf_instance.instantiated_vnf_info.instance_id =\
uuidsentinel.instance_id
self._mock_vnf_manager(fail_method_name='heal_vnf_wait')
driver = vnflcm_driver.VnfLcmDriver()
# It won't raise any exception if infra driver raises
# heal_vnf_wait because there is a possibility the vnfc
# resources could go into inconsistent state so it would
# proceed further and call post_heal_vnf with a hope
# it will work and vnflcm can update the vnfc resources
# properly and hence the _vnf_manager.invoke.call_count
# should be 3 instead of 2.
driver.heal_vnf(self.context, vnf_instance, heal_vnf_req)
self.assertEqual(1, mock_save.call_count)
self.assertEqual(3, self._vnf_manager.invoke.call_count)
self.assertEqual(None, vnf_instance.task_state)
expected_msg = ('Failed to update vnf %(id)s resources for '
'instance%(instance)s. Error: %(error)s')
mock_log.error.assert_called_with(
expected_msg, {
'id': vnf_instance.id,
'instance': vnf_instance.instantiated_vnf_info.instance_id,
'error': 'heal_vnf_wait failed'
})
def test_heal_vnf_without_vnfc_instance(self, mock_log, mock_save,
mock_vnf_resource_list,
mock_resource_destroy,
mock_resource_create, mock_vim,
mock_vnf_package_vnfd):
vnf_package_vnfd = fakes.return_vnf_package_vnfd()
vnf_package_id = vnf_package_vnfd.package_uuid
mock_vnf_package_vnfd.return_value = vnf_package_vnfd
fake_csar = os.path.join(self.temp_dir, vnf_package_id)
cfg.CONF.set_override('vnf_package_csar_path',
self.temp_dir,
group='vnf_package')
self._copy_csar_files(fake_csar, "vnflcm4")
mock_vnf_resource_list.return_value = [fakes.return_vnf_resource()]
# Heal as per SOL003 i.e. without vnfcInstanceId
heal_vnf_req = objects.HealVnfRequest()
vim_obj = {
'vim_id': uuidsentinel.vim_id,
'vim_name': 'fake_vim',
'vim_type': 'openstack',
'vim_auth': {
'auth_url': 'http://localhost/identity',
'password': '******',
'username': '******',
'project_name': 'test_project'
}
}
mock_vim.return_value = vim_obj
vnf_instance = fakes.return_vnf_instance(
fields.VnfInstanceState.INSTANTIATED)
vnf_instance.instantiated_vnf_info.instance_id =\
uuidsentinel.instance_id
self._mock_vnf_manager()
driver = vnflcm_driver.VnfLcmDriver()
driver.heal_vnf(self.context, vnf_instance, heal_vnf_req)
self.assertEqual(1, mock_save.call_count)
# vnf resource software images will be deleted during
# deleting vnf instance.
self.assertEqual(1, mock_resource_destroy.call_count)
# Vnf resource software images will be created during
# instantiation.
self.assertEqual(1, mock_resource_create.call_count)
# Invoke will be called 7 times, 3 for deleting the vnf
# resources and 4 during instantiation.
self.assertEqual(7, self._vnf_manager.invoke.call_count)
expected_msg = ("Request received for healing vnf '%s' "
"is completed successfully")
mock_log.info.assert_called_with(expected_msg, vnf_instance.id)
shutil.rmtree(fake_csar)
def test_heal_vnf_instance(self, mock_get_lock):
vnf_package_vnfd = self._create_and_upload_vnf_package()
vnf_instance_data = fake_obj.get_vnf_instance_data(
vnf_package_vnfd.vnfd_id)
vnf_instance = objects.VnfInstance(context=self.context,
**vnf_instance_data)
vnf_instance.create()
vnf_instance.instantiation_state = \
fields.VnfInstanceState.INSTANTIATED
vnf_instance.save()
heal_vnf_req = objects.HealVnfRequest(cause="healing request")
self.conductor.heal(self.context, vnf_instance, heal_vnf_req)
self.vnflcm_driver.heal_vnf.assert_called_once_with(
self.context, mock.ANY, heal_vnf_req)
def test_heal_vnf_without_vnfc_instance_infra_instantiate_vnf_fail(
self, mock_log, mock_save, mock_vnf_resource_list,
mock_resource_destroy, mock_resource_create, mock_vim,
mock_vnf_package_vnfd):
vnf_package_vnfd = fakes.return_vnf_package_vnfd()
vnf_package_id = vnf_package_vnfd.package_uuid
mock_vnf_package_vnfd.return_value = vnf_package_vnfd
fake_csar = os.path.join(self.temp_dir, vnf_package_id)
cfg.CONF.set_override('vnf_package_csar_path',
self.temp_dir,
group='vnf_package')
base_path = os.path.dirname(os.path.abspath(__file__))
sample_vnf_package_zip = os.path.join(
base_path, "../../etc/samples/sample_vnf_package_csar.zip")
extracted_zip_path = fake_csar
zipfile.ZipFile(sample_vnf_package_zip,
'r').extractall(extracted_zip_path)
mock_vnf_resource_list.return_value = [fakes.return_vnf_resource()]
# Heal as per SOL003 i.e. without vnfcInstanceId
heal_vnf_req = objects.HealVnfRequest()
vnf_instance = fakes.return_vnf_instance(
fields.VnfInstanceState.INSTANTIATED)
vnf_instance.instantiated_vnf_info.instance_id =\
uuidsentinel.instance_id
self._mock_vnf_manager(fail_method_name='instantiate_vnf')
driver = vnflcm_driver.VnfLcmDriver()
self.assertRaises(exceptions.VnfHealFailed, driver.heal_vnf,
self.context, vnf_instance, heal_vnf_req)
self.assertEqual(1, mock_save.call_count)
# vnf resource software images will be deleted during
# deleting vnf instance.
self.assertEqual(1, mock_resource_destroy.call_count)
# Vnf resource software images will be created during
# instantiation.
self.assertEqual(1, mock_resource_create.call_count)
self.assertEqual(5, self._vnf_manager.invoke.call_count)
self.assertEqual(fields.VnfInstanceTaskState.ERROR,
vnf_instance.task_state)
expected_msg = ('Failed to instantiate vnf instance %s '
'after termination. The vnf is in inconsistent '
'state. Error: Vnf instantiation failed for vnf %s, '
'error: instantiate_vnf failed')
mock_log.error.assert_called_with(expected_msg %
(vnf_instance.id, vnf_instance.id))
def test_heal_vnf_with_vnfc_instance(self, mock_log, mock_save):
heal_vnf_req = objects.HealVnfRequest(
vnfc_instance_id=[uuidsentinel.vnfc_instance_id_1])
vnf_instance = fakes.return_vnf_instance(
fields.VnfInstanceState.INSTANTIATED,
task_state=fields.VnfInstanceTaskState.HEALING)
self._mock_vnf_manager()
driver = vnflcm_driver.VnfLcmDriver()
driver.heal_vnf(self.context, vnf_instance, heal_vnf_req)
self.assertEqual(1, mock_save.call_count)
self.assertEqual(3, self._vnf_manager.invoke.call_count)
self.assertEqual(None, vnf_instance.task_state)
expected_msg = ("Request received for healing vnf '%s' "
"is completed successfully")
mock_log.info.assert_called_with(expected_msg, vnf_instance.id)
def execute_action(self, plugin, context, vnf_dict, args):
vdu_name = args.get('vdu_name')
stack_id = args.get('stack_id', vnf_dict['instance_id'])
heat_tpl = args.get('heat_tpl', 'heat_template')
cause = args.get('cause', [])
if vdu_name is None:
LOG.error("VDU resource of vnf '%s' is not present for "
"autoheal." % vnf_dict['id'])
return
def _get_vdu_resources():
"""Get all the resources linked to the VDU.
Returns: resource list for eg. ['VDU1', CP1]
"""
resource_list = [vdu_name]
heat_template = yaml.safe_load(
vnf_dict['attributes'].get(heat_tpl))
vdu_resources = heat_template['resources'].get(vdu_name)
cp_resources = vdu_resources['properties'].get('networks')
for resource in cp_resources:
resource_list.append(resource['port'].get('get_resource'))
return resource_list
if not cause or type(cause) is not list:
cause = [
"Unable to reach while monitoring resource: '%s'",
"Failed to monitor VDU resource '%s'"
]
resource_list = _get_vdu_resources()
additional_params = []
for resource in resource_list:
additional_params_obj = objects.HealVnfAdditionalParams(
parameter=resource, cause=[cause[0] % resource])
additional_params.append(additional_params_obj)
heal_request_data_obj = objects.HealVnfRequest(
stack_id=stack_id,
cause=(cause[-1] % vdu_name),
additional_params=additional_params)
plugin.heal_vnf(context, vnf_dict['id'], heal_request_data_obj)
def test_heal_vnf_instance_already_not_instantiated(self,
mock_log, mock_get_lock):
vnf_package_vnfd = self._create_and_upload_vnf_package()
vnf_instance_data = fake_obj.get_vnf_instance_data(
vnf_package_vnfd.vnfd_id)
vnf_instance_data['instantiation_state'] =\
fields.VnfInstanceState.NOT_INSTANTIATED
vnf_instance = objects.VnfInstance(context=self.context,
**vnf_instance_data)
vnf_instance.create()
heal_vnf_req = objects.HealVnfRequest(cause="healing request")
self.conductor.heal(self.context, vnf_instance, heal_vnf_req)
self.vnflcm_driver.heal_vnf.assert_not_called()
expected_log = ('Heal action cannot be performed on vnf %(id)s '
'which is in %(state)s state.')
mock_log.error.assert_called_once_with(expected_log,
{'id': vnf_instance.id,
'state': fields.VnfInstanceState.NOT_INSTANTIATED})
def test_heal_vnf_without_vnfc_instance_infra_delete_fail(
self, mock_log, mock_save):
# Heal as per SOL003 i.e. without vnfcInstanceId
heal_vnf_req = objects.HealVnfRequest()
vnf_instance = fakes.return_vnf_instance(
fields.VnfInstanceState.INSTANTIATED)
vnf_instance.instantiated_vnf_info.instance_id =\
uuidsentinel.instance_id
self._mock_vnf_manager(fail_method_name='delete')
driver = vnflcm_driver.VnfLcmDriver()
self.assertRaises(exceptions.VnfHealFailed, driver.heal_vnf,
self.context, vnf_instance, heal_vnf_req)
self.assertEqual(1, mock_save.call_count)
self.assertEqual(1, self._vnf_manager.invoke.call_count)
self.assertEqual(fields.VnfInstanceTaskState.ERROR,
vnf_instance.task_state)
expected_msg = ('Failed to delete vnf resources for vnf instance %s '
'before respawning. The vnf is in inconsistent '
'state. Error: delete failed')
mock_log.error.assert_called_with(expected_msg % vnf_instance.id)
def _heal(self, context, vnf_instance, request_body):
req_body = utils.convert_camelcase_to_snakecase(request_body)
heal_vnf_request = objects.HealVnfRequest(context=context, **req_body)
inst_vnf_info = vnf_instance.instantiated_vnf_info
vnfc_resource_info_ids = [
vnfc_resource_info.id
for vnfc_resource_info in inst_vnf_info.vnfc_resource_info
]
for vnfc_id in heal_vnf_request.vnfc_instance_id:
# check if vnfc_id exists in vnfc_resource_info
if vnfc_id not in vnfc_resource_info_ids:
msg = _("Vnfc id %(vnfc_id)s not present in vnf instance "
"%(id)s")
raise webob.exc.HTTPBadRequest(explanation=msg % {
"vnfc_id": vnfc_id,
"id": vnf_instance.id
})
vnf_instance.task_state = fields.VnfInstanceTaskState.HEALING
vnf_instance.save()
self.rpc_api.heal(context, vnf_instance, heal_vnf_request)
