From 75f82ae8c2c81ad372aaf8cf11454ad46149416a Mon Sep 17 00:00:00 2001 From: Sastry Isukapalli Date: Thu, 11 Jan 2018 12:27:29 -0500 Subject: Push policy adapter code (adapted from ECOMP) Issue-ID: OPTFRA-17 Change-Id: I4497f894e139491a6746ab5b88e2d207f0d40be9 Signed-off-by: Sastry Isukapalli --- adapters/policy/utils.py | 58 ++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 58 insertions(+) create mode 100644 adapters/policy/utils.py (limited to 'adapters/policy/utils.py') diff --git a/adapters/policy/utils.py b/adapters/policy/utils.py new file mode 100644 index 0000000..a006f12 --- /dev/null +++ b/adapters/policy/utils.py @@ -0,0 +1,58 @@ +# ------------------------------------------------------------------------- +# Copyright (c) 2015-2017 AT&T Intellectual Property +# +# 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 collections import defaultdict + + +def group_policies(flat_policies): + """Filter policies using the following steps: + 1. Apply prioritization among the policies that are sharing the same policy type and resource type + 2. Remove redundant policies that may applicable across different types of resource + 3. Filter policies based on type and return + :param flat_policies: list of flat policies + :return: Filtered policies + """ + aggregated_policies = {} + filter_policies = defaultdict(list) + policy_name = [] + for policy in flat_policies: + policy_type = policy['content']['type'] + if policy_type not in aggregated_policies: + aggregated_policies[policy_type] = defaultdict(list) + for resource in policy['content']['policyScope']['resourceInstanceType']: + aggregated_policies[policy_type][resource].append(policy) + for policy_type in aggregated_policies: + for resource in aggregated_policies[policy_type]: + if len(aggregated_policies[policy_type][resource]) > 0: + aggregated_policies[policy_type][resource].sort(key=lambda x: x['priority'], reverse=True) + policy = aggregated_policies[policy_type][resource][0] + if policy['policyName'] not in policy_name: + filter_policies[policy['content']['type']].append(policy) + policy_name.append(policy['policyName']) + return filter_policies + + +def _regex_policy_name(policy_name): + """Get the correct policy name as a regex + (e.g. OOF_HAS_vCPE.cloudAttributePolicy ends up in policy as OOF_HAS_vCPE.Config_MS_cloudAttributePolicy.1.xml + So, for now, we query it as OOF_HAS_vCPE..*aicAttributePolicy.*) + :param policy_name: Example: OOF_HAS_vCPE.aicAttributePolicy + :return: regexp for policy: Example: OOF_HAS_vCPE..*aicAttributePolicy.* + """ + p = policy_name.partition('.') + return p[0] + p[1] + ".*" + p[2] + ".*" -- cgit 1.2.3-korg