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import time
from typing import List
from uuid import uuid4
from onapsdk.aai.business.service import ServiceInstance
from yaml import load, SafeLoader
from onapsdk.aai.business.customer import Customer, ServiceSubscription
from onapsdk.aai.business.owning_entity import OwningEntity
from onapsdk.aai.cloud_infrastructure.cloud_region import CloudRegion
from onapsdk.aai.cloud_infrastructure.tenant import Tenant
from onapsdk.configuration import settings
from onapsdk.exceptions import ResourceNotFound
from onapsdk.sdc.service import Service
from onapsdk.so.instantiation import (
InstantiationParameter,
ServiceInstantiation,
VfmoduleParameters,
VnfParameters,
SoService
)
from onaptests.steps.cloud.customer_service_subscription_create import (
CustomerServiceSubscriptionCreateStep
)
import onaptests.utils.exceptions as onap_test_exceptions
from onaptests.steps.base import YamlTemplateBaseStep
from onaptests.steps.onboard.service import YamlTemplateServiceOnboardStep
from onaptests.steps.cloud.connect_service_subscription_to_cloud_region import (
ConnectServiceSubToCloudRegionStep
)
class YamlTemplateServiceMacroInstantiateStep(YamlTemplateBaseStep):
"""Instantiate service a'la carte using YAML template."""
def __init__(self, cleanup=False):
"""Initialize step.
Substeps:
- YamlTemplateServiceOnboardStep,
- ConnectServiceSubToCloudRegionStep,
- CustomerServiceSubscriptionCreateStep.
"""
super().__init__(cleanup=cleanup)
self._yaml_template: dict = None
self._model_yaml_template: dict = None
self._service_instance_name: str = None
self._service_instance: str = None
if not settings.ONLY_INSTANTIATE:
self.add_step(YamlTemplateServiceOnboardStep(cleanup))
if any(
filter(lambda x: x in self.yaml_template[self.service_name].keys(),
["vnfs", "networks"])):
# can additionally contain "pnfs", no difference
self.add_step(ConnectServiceSubToCloudRegionStep(cleanup))
else: # only pnfs
self.add_step(CustomerServiceSubscriptionCreateStep(cleanup))
@property
def description(self) -> str:
"""Step description."""
return "Instantiate service described in YAML using SO macro method."
@property
def component(self) -> str:
"""Component name."""
return "SO"
@property
def yaml_template(self) -> dict:
"""Step YAML template.
Load from file if it's a root step, get from parent otherwise.
Returns:
dict: Step YAML template
"""
if self.is_root:
if not self._yaml_template:
with open(settings.SERVICE_YAML_TEMPLATE, "r") as yaml_template:
self._yaml_template: dict = load(yaml_template, SafeLoader)
return self._yaml_template
return self.parent.yaml_template
@property
def model_yaml_template(self) -> dict:
"""Step Model YAML template.
Load from file if it's a root step, get from parent otherwise.
Returns:
dict: Step YAML template
"""
if self.is_root:
if not self._model_yaml_template:
with open(settings.MODEL_YAML_TEMPLATE, "r") as model_yaml_template:
self._model_yaml_template: dict = load(model_yaml_template)
return self._model_yaml_template
return self.parent.model_yaml_template
@property
def service_name(self) -> str:
"""Service name.
Get from YAML template if it's a root step, get from parent otherwise.
Returns:
str: Service name
"""
if self.is_root:
return next(iter(self.yaml_template.keys()))
return self.parent.service_name
@property
def service_instance_name(self) -> str:
"""Service instance name.
Generate using `service_name` and `uuid4()` function if it's a root step,
get from parent otherwise.
Returns:
str: Service instance name
"""
if self.is_root:
if not self._service_instance_name:
self._service_instance_name: str = f"{self.service_name}-{str(uuid4())}"
return self._service_instance_name
return self.parent.service_instance_name
@YamlTemplateBaseStep.store_state
def execute(self): # noqa
"""Instantiate service.
Use settings values:
- GLOBAL_CUSTOMER_ID,
- CLOUD_REGION_CLOUD_OWNER,
- CLOUD_REGION_ID,
- TENANT_ID,
- OWNING_ENTITY,
- PROJECT.
Raises:
Exception: Service instantiation failed
"""
super().execute()
service = Service(self.service_name)
customer: Customer = Customer.get_by_global_customer_id(settings.GLOBAL_CUSTOMER_ID)
service_subscription: ServiceSubscription = \
customer.get_service_subscription_by_service_type(service.name)
if any(
filter(lambda x: x in self.yaml_template[self.service_name].keys(),
["vnfs", "networks"])):
cloud_region: CloudRegion = CloudRegion.get_by_id(
cloud_owner=settings.CLOUD_REGION_CLOUD_OWNER,
cloud_region_id=settings.CLOUD_REGION_ID,
)
tenant: Tenant = cloud_region.get_tenant(settings.TENANT_ID)
else:
# Only PNF is going to be instantiated so
# neither cloud_region nor tenant are needed
cloud_region, tenant = None, None
try:
owning_entity = OwningEntity.get_by_owning_entity_name(
settings.OWNING_ENTITY)
except ResourceNotFound:
self._logger.info("Owning entity not found, create it")
owning_entity = OwningEntity.create(settings.OWNING_ENTITY)
# Before instantiating, be sure that the service has been distributed
self._logger.info("******** Check Service Distribution *******")
distribution_completed = False
nb_try = 0
while distribution_completed is False and \
nb_try < settings.SERVICE_DISTRIBUTION_NUMBER_OF_TRIES:
distribution_completed = service.distributed
if distribution_completed is True:
self._logger.info(
"Service Distribution for %s is sucessfully finished",
service.name)
break
self._logger.info(
"Service Distribution for %s ongoing, Wait for %d s",
service.name, settings.SERVICE_DISTRIBUTION_SLEEP_TIME)
time.sleep(settings.SERVICE_DISTRIBUTION_SLEEP_TIME)
nb_try += 1
if distribution_completed is False:
self._logger.error(
"Service Distribution for %s failed !!", service.name)
raise onap_test_exceptions.ServiceDistributionException
so_service = None
vnf_params_list: List[VnfParameters] = []
if settings.MODEL_YAML_TEMPLATE:
so_data = self.yaml_template[self.service_name]
so_service = SoService(vnfs=so_data.get("vnfs", []),
subscription_service_type=so_data.get(
'subscription_service_type'))
else:
for vnf_data in self.yaml_template[self.service_name].get("vnfs", []):
vnf_params_list.append(VnfParameters(
vnf_data["vnf_name"],
[InstantiationParameter(name=parameter["name"],
value=parameter["value"]) for parameter in
vnf_data.get("vnf_parameters", [])],
[VfmoduleParameters(vf_module_data["vf_module_name"],
[InstantiationParameter(name=parameter["name"],
value=parameter["value"]) for
parameter in vf_module_data.get("parameters", [])])
for vf_module_data in vnf_data.get("vf_module_parameters", [])]
))
service_instantiation = ServiceInstantiation.instantiate_macro(
sdc_service=service,
customer=customer,
owning_entity=owning_entity,
project=settings.PROJECT,
line_of_business=settings.LINE_OF_BUSINESS,
platform=settings.PLATFORM,
cloud_region=cloud_region,
tenant=tenant,
service_subscription=service_subscription,
service_instance_name=self.service_instance_name,
vnf_parameters=vnf_params_list,
enable_multicloud=settings.USE_MULTICLOUD,
so_service=so_service
)
try:
service_instantiation.wait_for_finish(timeout=settings.ORCHESTRATION_REQUEST_TIMEOUT)
except TimeoutError:
self._logger.error("Service instantiation %s timed out", self.service_instance_name)
raise onap_test_exceptions.ServiceInstantiateException
if service_instantiation.failed:
self._logger.error("Service instantiation %s failed", self.service_instance_name)
raise onap_test_exceptions.ServiceInstantiateException
service_subscription: ServiceSubscription = \
customer.get_service_subscription_by_service_type(self.service_name)
self._service_instance: ServiceInstance = \
service_subscription.get_service_instance_by_name(self.service_instance_name)
@YamlTemplateBaseStep.store_state(cleanup=True)
def cleanup(self) -> None:
"""Cleanup Service.
Raises:
Exception: Service cleaning failed
"""
if self._service_instance:
service_deletion = self._service_instance.delete(a_la_carte=False)
try:
service_deletion.wait_for_finish(timeout=settings.ORCHESTRATION_REQUEST_TIMEOUT)
except TimeoutError:
self._logger.error("Service deletion %s timed out", self._service_instance_name)
raise onap_test_exceptions.ServiceCleanupException
if service_deletion.finished:
self._logger.info("Service %s deleted", self._service_instance_name)
else:
self._logger.error("Service deletion %s failed", self._service_instance_name)
raise onap_test_exceptions.ServiceCleanupException
super().cleanup()
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