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import time
from uuid import uuid4
from onapsdk.aai.business.owning_entity import OwningEntity as AaiOwningEntity
from onapsdk.aai.cloud_infrastructure import CloudRegion, Tenant
from onapsdk.configuration import settings
from onapsdk.exceptions import ResourceNotFound
from onapsdk.sdc.service import Service
from onapsdk.so.instantiation import ServiceInstantiation
from yaml import SafeLoader, load
import onaptests.utils.exceptions as onap_test_exceptions
from ..base import YamlTemplateBaseStep
from ..cloud.connect_service_subscription_to_cloud_region import \
ConnectServiceSubToCloudRegionStep
from ..onboard.service import YamlTemplateServiceOnboardStep
class YamlTemplateServiceAlaCarteInstantiateStep(YamlTemplateBaseStep):
"""Instantiate service a'la carte using YAML template."""
def __init__(self):
"""Initialize step.
Substeps:
- YamlTemplateServiceOnboardStep,
- ConnectServiceSubToCloudRegionStep.
"""
super().__init__(cleanup=settings.CLEANUP_FLAG)
self._yaml_template: dict = None
self._service_instance_name: str = None
if not settings.ONLY_INSTANTIATE:
self.add_step(YamlTemplateServiceOnboardStep())
self.add_step(ConnectServiceSubToCloudRegionStep())
@property
def description(self) -> str:
"""Step description."""
return "Instantiate service described in YAML using SO a'la carte 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", encoding="utf-8") 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:
return {}
@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):
"""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)
self._load_customer_and_subscription()
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)
try:
owning_entity = AaiOwningEntity.get_by_owning_entity_name(
settings.OWNING_ENTITY)
except ResourceNotFound:
self._logger.info("Owning entity not found, create it")
owning_entity = AaiOwningEntity.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
nb_try_max = 10
while distribution_completed is False and nb_try < nb_try_max:
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
service_instantiation = ServiceInstantiation.instantiate_ala_carte(
service,
cloud_region,
tenant,
self._customer,
owning_entity,
settings.PROJECT,
self._service_subscription,
service_instance_name=self.service_instance_name
)
try:
service_instantiation.wait_for_finish(settings.ORCHESTRATION_REQUEST_TIMEOUT)
except TimeoutError as exc:
self._logger.error("Service instantiation %s timed out", self.service_instance_name)
raise onap_test_exceptions.ServiceCleanupException from exc
if service_instantiation.failed:
self._logger.error("Service instantiation %s failed", self.service_instance_name)
raise onap_test_exceptions.ServiceInstantiateException
self._load_customer_and_subscription(reload=True)
self._load_service_instance()
@YamlTemplateBaseStep.store_state(cleanup=True)
def cleanup(self) -> None:
"""Cleanup Service.
Raises:
Exception: Service cleaning failed
"""
self._load_customer_and_subscription()
self._load_service_instance()
if self._service_instance:
service_deletion = self._service_instance.delete(a_la_carte=True)
try:
service_deletion.wait_for_finish(settings.ORCHESTRATION_REQUEST_TIMEOUT)
except TimeoutError as exc:
self._logger.error("Service deletion %s timed out", self._service_instance_name)
raise onap_test_exceptions.ServiceCleanupException from exc
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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