"""Service instance resource module.""" """ Copyright 2021 Deutsche Telekom AG Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with the License. You may obtain a copy of the License at http://www.apache.org/licenses/LICENSE-2.0 Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the specific language governing permissions and limitations under the License. """ import logging from typing import Any, Dict, List from onapsdk.aai.cloud_infrastructure import CloudRegion, Tenant # type: ignore from onapsdk.aai.business import Customer, OwningEntity # type: ignore from onapsdk.aai.service_design_and_creation import Service as AaiService # type: ignore from onapsdk.sdc.service import Service # type: ignore from onapsdk.vid import LineOfBusiness, Platform, Project # type: ignore from onapsdk.aai.business import ServiceSubscription from onapsdk.aai.business import ServiceInstance from onapsdk.so.instantiation import ( # type: ignore ServiceInstantiation, SoService, SoServicePnf, SoServiceVfModule, SoServiceVnf ) from .resource import Resource from onapsdk.exceptions import APIError, ResourceNotFound # type: ignore class ServiceInstanceResource(Resource): """Service instance resource class. Creates service instance. """ def __init__(self, data: Dict[str, Any]) -> None: """Service instance resource initialization. Args: data (Dict[str, Any]): Data needed to create service instance """ super().__init__(data) self._customer: Customer = None self._service_subscription: ServiceSubscription = None self._service_instance: ServiceInstance = None self._aai_service: AaiService = None def create(self) -> None: """Create ServiceInstance resource.""" if not self.exists: service: Service = Service(name=self.data["service_name"]) if not service.distributed: raise AttributeError( "Service not distrbuted - instance can't be created" ) if (cloud_region_id := self.data.get("cloud_region_id")) is not None: cloud_region: CloudRegion = CloudRegion.get_by_id( cloud_owner=self.data["cloud_owner"], cloud_region_id=cloud_region_id, ) tenant: Tenant = None if tenant_name := self.data.get("tenant_name"): # TODO: https://jira.onap.org/browse/INT-2056 refactor below when ONAP SDK 9.2.3 is released cr_tenants = [ x for x in cloud_region.tenants if x.name == tenant_name ] if len(cr_tenants) > 1: msg = "\n".join( [ "===================", f"There are more than one tenant with given name '{tenant_name}':", "\n".join( f"{t.name}: {t.tenant_id}" for t in cr_tenants ), "Use tenant-id instead of tenant-name to specify which tenant should be used during the instantiation.", "===================", ] ) logging.error(msg) raise ValueError( "Value provided for 'tenant_name' is ambiguous." ) if not cr_tenants: raise ValueError(f"Tenant '{tenant_name}' not found.") tenant = cr_tenants.pop() else: tenant = cloud_region.get_tenant(self.data["tenant_id"]) self.service_subscription.link_to_cloud_region_and_tenant( cloud_region, tenant ) else: cloud_region, tenant = None, None try: owning_entity = OwningEntity.get_by_owning_entity_name( self.data["owning_entity"] ) except APIError: owning_entity = OwningEntity.create(self.data["owning_entity"]) try: aai_service = next( AaiService.get_all(service_id=self.data["aai_service"]) ) except StopIteration: raise ValueError( f"A&AI Service {self.data['aai_service']} does not exist" ) service_instantiation: ServiceInstantiation = ( ServiceInstantiation.instantiate_macro( sdc_service=service, customer=self.customer, owning_entity=owning_entity, project=Project(self.data["project"]).name, line_of_business=LineOfBusiness(self.data["line_of_business"]).name, platform=Platform(self.data["platform"]).name, cloud_region=cloud_region, tenant=tenant, service_instance_name=self.data["service_instance_name"], so_service=self.so_service, aai_service=aai_service, ) ) service_instantiation.wait_for_finish( timeout=self.data.get("timeout") ) # 20 minutes timeout if service_instantiation.failed == True: logging.error( "Service instantiation failed for %s", self.data["service_instance_name"], ) return self._service_instance = ( self.service_subscription.get_service_instance_by_name( self.data["service_instance_name"] ) ) @property def exists(self) -> bool: """Determine if resource already exists or not. Returns: bool: True if object exists, False otherwise """ return self.service_instance is not None @property def service_instance(self) -> ServiceInstance: """Serviceinstance property. Returns: ServiceInstance: ServiceInstance object """ if not self._service_instance: try: service_instance: ServiceInstance = ( self.service_subscription.get_service_instance_by_name( self.data["service_instance_name"] ) ) if service_instance: self._service_instance = service_instance except ResourceNotFound: logging.error( "Customer %s does not exist", self.data["customer_id"], ) return self._service_instance @property def customer(self) -> Customer: """Access to Customer object property. Returns: Customer: Customer object """ if not self._customer: self._customer = Customer.get_by_global_customer_id( self.data["customer_id"] ) return self._customer @property def service_subscription(self) -> ServiceSubscription: """Service subscription property. Returns: ServiceSubscription: ServiceSubscription object """ if not self._service_subscription and self.customer: self._service_subscription = ( self.customer.get_service_subscription_by_service_type( service_type=self.data.get( "service_subscription_type", self.data["service_name"] ) ) ) return self._service_subscription @property def so_service(self) -> SoService: """Create an object with parameters for the service instantiation. Based on the instance definition data create an object which is used for instantiation. Returns: SoService: SoService object """ vnfs: List[SoServiceVnf] = [] pnfs: List[SoServicePnf] = [] for xnf in self.data.get("instantiation_parameters", []): if "vnf_name" in xnf: vnfs.append(SoServiceVnf( model_name=xnf["vnf_name"], instance_name=xnf.get("instance_name", xnf["vnf_name"]), parameters=xnf.get("parameters", {}), vf_modules=[SoServiceVfModule( model_name=vf_module["name"], instance_name=vf_module.get("instance_name", vf_module["name"]), parameters=vf_module.get("parameters", {}) ) for vf_module in xnf.get("vf_modules", [])] )) elif "pnf_name" in xnf: pnfs.append(SoServicePnf( model_name=xnf["pnf_name"], instance_name=xnf.get("instance_name", xnf["pnf_name"]), parameters=xnf.get("parameters", {}) )) else: logging.warning("Invalid content, xNF type not supported") return SoService( subscription_service_type=self.service_subscription.service_type, vnfs=vnfs, pnfs=pnfs ) @property def aai_service(self) -> AaiService: """A&AI service which is used during the instantiation. Raises: ValueError: AaiService with given service id doesn't exist Returns: AaiService: AaiService object """ if ( not self._aai_service and (aai_service_id := self.data.get("aai_service")) is not None ): try: self._aai_service = next(AaiService.get_all(service_id=aai_service_id)) except StopIteration: raise ValueError(f"A&AI Service {aai_service_id} does not exist") return self._aai_service class ServiceInstanceResource_1_1(ServiceInstanceResource): """Service instance resource class. That's the Service instance resource class for 1.1 schema version. """ @property def aai_service(self) -> AaiService: """A&AI service which is used during the instantiation. Raises: ValueError: AaiService with given service id doesn't exist Returns: AaiService: AaiService object """ if not self._aai_service: try: self._aai_service = next( AaiService.get_all(service_id=self.data["aai_service"]) ) except StopIteration: raise ValueError( f"A&AI Service {self.data['aai_service']} does not exist" ) return self._aai_service