src/onapsdk/clamp/clamp_element.py
#!/usr/bin/env python3
# -*- coding: utf-8 -*-
# SPDX-License-Identifier: Apache-2.0
"""Clamp module."""
from onapsdk.configuration import settings
from onapsdk.onap_service import OnapService as Onap
from onapsdk.sdc.service import Service
from onapsdk.exceptions import ResourceNotFound
from onapsdk.utils.headers_creator import headers_clamp_creator
class Clamp(Onap):
"""Mother Class of all CLAMP elements."""
#class variable
_base_url = settings.CLAMP_URL
name: str = "CLAMP"
headers = headers_clamp_creator(Onap.headers)
@classmethod
def base_url(cls) -> str:
"""Give back the base url of Clamp."""
return f"{cls._base_url}/restservices/clds/v2"
@classmethod
def check_loop_template(cls, service: Service) -> str:
"""
Return loop template name if exists.
Args:
service (Service): the distributed sdc service with tca blueprint artifact
Raises:
ResourceNotFound: Template not found.
Returns:
if required template exists in CLAMP or not
"""
url = f"{cls.base_url()}/templates/"
for template in cls.send_message_json('GET',
'Get Loop Templates',
url):
if template["modelService"]["serviceDetails"]["name"] == service.name:
return template["name"]
raise ResourceNotFound("Template not found.")
@classmethod
def check_policies(cls, policy_name: str, req_policies: int = 30) -> bool:
"""
Ensure that a policy is stored in CLAMP.
Args:
policy_name (str): policy acronym
req_policies (int): number of required policies in CLAMP
Returns:
if required policy exists in CLAMP or not
"""
url = f"{cls.base_url()}/policyToscaModels/"
policies = cls.send_message_json('GET',
'Get stocked policies',
url)
exist_policy = False
for policy in policies:
if policy["policyAcronym"] == policy_name:
exist_policy = True
return (len(policies) >= req_policies) and exist_policy