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|
"""SO mock instance resources."""
"""
Copyright 2023 Deutsche Telekom AG, Orange
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.
"""
from typing import Callable, Dict, List
from uuid import uuid4
import requests
from flask_restful import Resource, request
SERVICE_INSTANCES = {}
class SoResource(Resource):
"""Base SO resource class."""
AAI_MOCK_URL = ""
@classmethod
def set_aai_mock(cls, aai_mock_url: str) -> None:
"""Set A&AI mock address.
Instance resources needs to communicate with A&AI mock
to update it's state.
Args:
aai_mock_url (str): A&AI mock url
"""
cls.AAI_MOCK_URL = aai_mock_url
@classmethod
def reset(cls) -> None:
"""Reset SO resource.
Clean SERVICE_INSTANCES dictionary
and A&AI mock url address.
"""
global SERVICE_INSTANCES
SERVICE_INSTANCES = {}
cls.AAI_MOCK_URL = ""
def check_aai_mock_address(method: Callable) -> Callable:
"""Decorate method to check if A&AI address is set.
If A&AI mock address is not set it returns 500 HTTP
response for resource's method
Args:
method (Callable): method to decorate
"""
def decorator(self, *args, **kwargs):
if not self.AAI_MOCK_URL:
return "A&AI mock address not set", 500
return method(self, *args, **kwargs)
return decorator
class ServiceInstance(SoResource):
"""Service instance resource class."""
def delete(self, service_instance_id: str) -> Dict[str, Dict[str, str]]:
"""Delete service instance.
Remove service instance data from SERVICE_INSTANCES
dictionary.
Args:
service_instance_id (str): Service instance id key value
Returns:
Dict[str, Dict[str, str]]: Deletion request dictionary
"""
service_instance = SERVICE_INSTANCES[service_instance_id]
requests.delete(
(
f"{self.AAI_MOCK_URL}/aai/v16/business/customers/customer/"
f"{service_instance['customerId']}/service-subscriptions/service-subscription/"
f"{service_instance['serviceSubscriptionId']}/service-instances/service-instance/"
f"{service_instance_id}"
)
)
del SERVICE_INSTANCES[service_instance_id]
return {"requestReferences": {"requestId": str(uuid4())}}
class ServiceInstanceList(SoResource):
"""Service instances list resource."""
@SoResource.check_aai_mock_address
def post(self) -> Dict[str, Dict[str, str]]:
"""Create service instance.
Create service instance data dictionary.
Call request to A&AI mock to create service instance there.
Returns:
Dict[str, Dict[str, str]]: Creation request dictionary
"""
instance_id = str(uuid4())
request_data = request.get_json()
customer_id = request_data["requestDetails"]["subscriberInfo"][
"globalSubscriberId"
]
service_subscription_id = request_data["requestDetails"]["requestParameters"][
"subscriptionServiceType"
]
instance_name = request_data["requestDetails"]["requestInfo"]["instanceName"]
service_instance = {
"requestId": str(uuid4()),
"instanceId": instance_id,
"customerId": customer_id,
"serviceSubscriptionId": service_subscription_id,
"instanceName": instance_name,
}
requests.post(
(
f"{self.AAI_MOCK_URL}/aai/v16/business/customers/customer/{customer_id}/"
f"service-subscriptions/service-subscription/{service_subscription_id}/"
"service-instances"
),
json={
"service-instance-name": instance_name,
"service-instance-id": instance_id,
},
)
SERVICE_INSTANCES[service_instance["instanceId"]] = service_instance
return {"requestReferences": service_instance}
class VnfInstance(SoResource):
"""Vnf instance resource."""
@SoResource.check_aai_mock_address
def delete(
self, service_instance_id: str, vnf_instance_id: str
) -> Dict[str, Dict[str, str]]:
"""Delete vnf instance.
Remove vnf instanca data from SERVICE_INSTANCES dictionary.
Call DELETE request to A&AI mock.
Args:
service_instance_id (str): Service instance id key value
vnf_instance_id (str): Vnf instance id key value
Returns:
Dict[str, Dict[str, str]]: Deletion request dictionary.
"""
related_service = SERVICE_INSTANCES[service_instance_id]
requests.delete(
(
f"{self.AAI_MOCK_URL}/aai/v16/business/customers/customer/"
f"{related_service['customerId']}/service-subscriptions/service-subscription/"
f"{related_service['serviceSubscriptionId']}/service-instances/service-instance/"
f"{service_instance_id}/relationship-list"
)
)
return {"requestReferences": {"requestId": str(uuid4())}}
class VnfInstanceList(SoResource):
"""Vnf instances list resource."""
@SoResource.check_aai_mock_address
def post(self, service_instance_id: str) -> Dict[str, Dict[str, str]]:
"""Create vnf instance.
Create vnf instance data dictionary.
Call request to A&AI mock to create vnf instance there.
Returns:
Dict[str, Dict[str, str]]: Creation request dictionary
"""
instance_id = str(uuid4())
request_data = request.get_json()
related_instance_id = request_data["requestDetails"]["relatedInstanceList"][0][
"relatedInstance"
]["instanceId"]
related_service = SERVICE_INSTANCES[related_instance_id]
requests.post(
(
f"{self.AAI_MOCK_URL}/aai/v16/business/customers/customer/{related_service['customerId']}/"
f"service-subscriptions/service-subscription/{related_service['serviceSubscriptionId']}/"
f"service-instances/service-instance/{related_instance_id}/relationship-list"
),
json={
"related-to": "generic-vnf",
"related-link": f"/aai/v16/network/generic-vnfs/generic-vnf/{instance_id}",
},
)
return {
"requestReferences": {"requestId": str(uuid4()), "instanceId": instance_id}
}
class VfModuleInstance(SoResource):
"""Vf module instance resource class."""
@SoResource.check_aai_mock_address
def delete(
self, service_instance_id: str, vnf_instance_id: str, vf_module_instance_id: str
) -> Dict[str, Dict[str, str]]:
"""Delete vf module instance.
Call DELETE request to A&AI mock to delete vf module instance.
Args:
service_instance_id (str): Service instance id key value.
vnf_instance_id (str): Vnf instance id key value.
vf_module_instance_id (str): Vf module instance id key value.
Returns:
Dict[str, Dict[str, str]]: Deletion request dictionary
"""
requests.delete(
(
f"{self.AAI_MOCK_URL}/aai/v16/network/generic-vnfs/generic-vnf/"
f"{vnf_instance_id}/vf-modules/{vf_module_instance_id}"
)
)
return {"requestReferences": {"requestId": str(uuid4())}}
class VfModuleInstanceList(SoResource):
"""Vf module instances list resource."""
@SoResource.check_aai_mock_address
def post(
self, service_instance_id: str, vnf_instance_id: str
) -> Dict[str, Dict[str, str]]:
"""Create vf module instance.
Call POST request to A&AI mock to create vf module instance.
Args:
service_instance_id (str): Service instance id key value
vnf_instance_id (str): Vnf instance id key value
Returns:
Dict[str, Dict[str, str]]: Creation request dictionary
"""
instance_id = str(uuid4())
requests.post(
(
f"{self.AAI_MOCK_URL}/aai/v16/network/generic-vnfs/generic-vnf/"
f"{vnf_instance_id}/vf-modules"
),
json={"vf-module-id": instance_id},
)
return {
"requestReferences": {"requestId": str(uuid4()), "instanceId": instance_id}
}
class NetworkInstance(SoResource):
"""Network instance resource."""
@SoResource.check_aai_mock_address
def delete(
self, service_instance_id: str, network_instance_id: str
) -> Dict[str, Dict[str, str]]:
"""Delete network instance.
Remove network instanca data from SERVICE_INSTANCES dictionary.
Call DELETE request to A&AI mock.
Args:
service_instance_id (str): Service instance id key value
network_instance_id (str): Network instance id key value
Returns:
Dict[str, Dict[str, str]]: Deletion request dictionary.
"""
related_service = SERVICE_INSTANCES[service_instance_id]
requests.delete(
(
f"{self.AAI_MOCK_URL}/aai/v16/business/customers/customer/"
f"{related_service['customerId']}/service-subscriptions/service-subscription/"
f"{related_service['serviceSubscriptionId']}/service-instances/service-instance/"
f"{service_instance_id}/relationship-list"
)
)
return {"requestReferences": {"requestId": str(uuid4())}}
class NetworkInstanceList(SoResource):
"""Network instances list resource."""
@SoResource.check_aai_mock_address
def post(self, service_instance_id: str) -> Dict[str, Dict[str, str]]:
"""Create network instance.
Create network instance data dictionary.
Call request to A&AI mock to create network instance there.
Returns:
Dict[str, Dict[str, str]]: Creation request dictionary
"""
instance_id = str(uuid4())
request_data = request.get_json()
related_instance_id = request_data["requestDetails"]["relatedInstanceList"][0][
"relatedInstance"
]["instanceId"]
related_service = SERVICE_INSTANCES[related_instance_id]
requests.post(
(
f"{self.AAI_MOCK_URL}/aai/v16/business/customers/customer/{related_service['customerId']}/"
f"service-subscriptions/service-subscription/{related_service['serviceSubscriptionId']}/"
f"service-instances/service-instance/{related_instance_id}/relationship-list"
),
json={
"related-to": "l3-network",
"related-link": f"/aai/v16/network/l3-networks/l3-network/{instance_id}",
},
)
return {
"requestReferences": {"requestId": str(uuid4()), "instanceId": instance_id}
}
|
