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import time
from uuid import uuid4
from yaml import load
from onapsdk.aai.cloud_infrastructure import CloudRegion, Tenant
from onapsdk.aai.business import Customer, ServiceInstance, ServiceSubscription
from onapsdk.aai.business.owning_entity import OwningEntity as AaiOwningEntity
from onapsdk.configuration import settings
from onapsdk.sdc.service import Service
from onapsdk.so.instantiation import ServiceInstantiation
from onapsdk.vid import Project
from ..base import BaseStep, YamlTemplateBaseStep
from ..cloud.connect_service_subscription_to_cloud_region import ConnectServiceSubToCloudRegionStep
from ..onboard.service import ServiceOnboardStep, YamlTemplateServiceOnboardStep
class ServiceAlaCarteInstantiateStep(BaseStep):
"""Instantiate service a'la carte."""
def __init__(self, cleanup=False):
"""Initialize step.
Substeps:
- ServiceOnboardStep,
- ConnectServiceSubToCloudRegionStep.
"""
super().__init__(cleanup=cleanup)
if not settings.ONLY_INSTANTIATE:
self.add_step(ServiceOnboardStep(cleanup))
self.add_step(ConnectServiceSubToCloudRegionStep(cleanup))
@BaseStep.store_state
def execute(self):
"""Instantiate service.
Use settings values:
- SERVICE_NAME,
- GLOBAL_CUSTOMER_ID,
- CLOUD_REGION_CLOUD_OWNER,
- CLOUD_REGION_ID,
- TENANT_ID,
- OWNING_ENTITY,
- PROJECT,
- SERVICE_INSTANCE_NAME.
"""
super().execute()
service = Service(settings.SERVICE_NAME)
customer: Customer = Customer.get_by_global_customer_id(settings.GLOBAL_CUSTOMER_ID)
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 ValueError:
self._logger.info("Owning entity not found, create it")
owning_entity = AaiOwningEntity.create(settings.OWNING_ENTITY)
vid_project = Project.create(settings.PROJECT)
service_instantiation = ServiceInstantiation.instantiate_so_ala_carte(
service,
cloud_region,
tenant,
customer,
owning_entity,
vid_project,
service_instance_name=settings.SERVICE_INSTANCE_NAME
)
while not service_instantiation.finished:
time.sleep(10)
class YamlTemplateServiceAlaCarteInstantiateStep(YamlTemplateBaseStep):
"""Instantiate service a'la carte using YAML template."""
def __init__(self, cleanup=False):
"""Initialize step.
Substeps:
- YamlTemplateServiceOnboardStep,
- ConnectServiceSubToCloudRegionStep.
"""
super().__init__(cleanup=cleanup)
self._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))
self.add_step(ConnectServiceSubToCloudRegionStep(cleanup))
@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)
return self._yaml_template
return self.parent.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):
"""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)
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 ValueError:
self._logger.info("Owning entity not found, create it")
owning_entity = AaiOwningEntity.create(settings.OWNING_ENTITY)
vid_project = Project.create(settings.PROJECT)
# 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 60 s",
service.name)
time.sleep(60)
nb_try += 1
if distribution_completed is False:
self._logger.error(
"Service Distribution for %s failed !!",service.name)
exit(1)
service_instantiation = ServiceInstantiation.instantiate_so_ala_carte(
service,
cloud_region,
tenant,
customer,
owning_entity,
vid_project,
service_instance_name=self.service_instance_name
)
while not service_instantiation.finished:
time.sleep(10)
if service_instantiation.failed:
raise Exception("Service instantiation failed")
else:
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)
def cleanup(self) -> None:
"""Cleanup Service.
Raises:
Exception: Service cleaning failed
"""
super().cleanup()
service_deletion = self._service_instance.delete()
nb_try = 0
nb_try_max = 30
while not service_deletion.finished and nb_try < nb_try_max:
self._logger.info("Wait for Service deletion")
nb_try += 1
time.sleep(15)
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 Exception("Service cleanup failed")
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