osm_policy_module/utils/vnfd.py

# -*- coding: utf-8 -*-

# Copyright 2018 Whitestack, LLC
# *************************************************************

# This file is part of OSM Monitoring module
# All Rights Reserved to Whitestack, LLC

# 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.

# For those usages not covered by the Apache License, Version 2.0 please
# contact: bdiaz@whitestack.com or glavado@whitestack.com
##
from osm_policy_module.core.exceptions import ManagementVduNotFound


class VnfdUtils:

    @staticmethod
    def get_mgmt_vdu(vnfd: dict):
        if 'mgmt-cp' in vnfd:
            mgmt_cp = vnfd['mgmt-cp']
            mgmt_cp_vdu_id = None
            for cpd in vnfd.get('ext-cpd', ()):
                if cpd.get('id') == mgmt_cp:
                    mgmt_cp_vdu_id = cpd.get('int-cpd', {}).get('vdu-id')
            for vdu in vnfd.get('vdu', ()):
                if vdu.get('id') == mgmt_cp_vdu_id:
                    return vdu
        raise ManagementVduNotFound("Management vdu not found in vnfd %s", vnfd['id'])