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Diffstat (limited to 'optimizers/placementopt/conductor/translation.py')
| -rw-r--r-- | optimizers/placementopt/conductor/translation.py | 215 |
1 files changed, 0 insertions, 215 deletions
diff --git a/optimizers/placementopt/conductor/translation.py b/optimizers/placementopt/conductor/translation.py deleted file mode 100644 index 036398a..0000000 --- a/optimizers/placementopt/conductor/translation.py +++ /dev/null @@ -1,215 +0,0 @@ -# ------------------------------------------------------------------------- -# 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. -# -# ------------------------------------------------------------------------- -# - -import json -from osdf.utils.data_conversion import text_to_symbol -from osdf.utils import data_mapping - -def gen_optimization_policy(vnf_list, optimization_policy): - """Generate optimization policy details to pass to Conductor - :param vnf_list: List of vnf's to used in placement request - :param optimization_policy: optimization policy information provided in the incoming request - :return: List of optimization policies in a format required by Conductor - """ - optimization_policy_list = [] - for policy in optimization_policy: - content = policy['content'] - parameter_list = [] - - for attr in content['objectiveParameter']['parameterAttributes']: - parameter = attr['parameter'] if attr['parameter'] == "cloud_version" else attr['parameter']+"_between" - for res in attr['resource']: - vnf = get_matching_vnf(res, vnf_list) - value = [vnf] if attr['parameter'] == "cloud_version" else [attr['customerLocationInfo'], vnf] - parameter_list.append({ - attr['operator']: [attr['weight'], {parameter: value}] - }) - - optimization_policy_list.append({ - content['objective']: {content['objectiveParameter']['operator']: parameter_list } - }) - return optimization_policy_list - - -def get_matching_vnf(resource, vnf_list): - - for vnf in vnf_list: - if resource in vnf: - return vnf - return resource - - -def get_matching_vnfs(resources, vnf_list, match_type="intersection"): - """Get a list of matching VNFs from the list of resources - :param resources: - :param vnf_list: List of vnf's to used in placement request - :param match_type: "intersection" or "all" or "any" (any => send all_vnfs if there is any intersection) - :return: List of matching VNFs - """ - common_vnfs = [] - for vnf in vnf_list: - for resource in resources: - if resource in vnf: - common_vnfs.append(vnf) - if match_type == "intersection": # specifically requested intersection - return common_vnfs - elif common_vnfs or match_type == "all": # ("any" and common) OR "all" - return resources - return None - - -def gen_policy_instance(vnf_list, resource_policy, match_type="intersection", rtype=None): - """Generate a list of policies - :param vnf_list: List of vnf's to used in placement request - :param resource_policy: policy for this specific resource - :param match_type: How to match the vnf_names with the vnf_list (intersection or "any") - intersection => return intersection; "any" implies return all vnf_names if intersection is not null - :param rtype: resource type (e.g. resourceRegionProperty or resourceInstanceProperty) - None => no controller information added to the policy specification to Conductor - :return: resource policy list in a format required by Conductor - """ - resource_policy_list = [] - related_policies = [] - for policy in resource_policy: - pc = policy['content'] - demands = get_matching_vnfs(pc['resourceInstanceType'], vnf_list, match_type=match_type) - resource = {pc['identity']: {'type': pc['type'], 'demands': demands}} - - if rtype: - resource[pc['identity']]['properties'] = {'controller': pc[rtype]['controller'], - 'request': json.loads(pc[rtype]['request'])} - if demands and len(demands) != 0: - resource_policy_list.append(resource) - related_policies.append(policy) - return resource_policy_list, related_policies - - -def gen_resource_instance_policy(vnf_list, resource_instance_policy): - """Get policies governing resource instances in order to populate the Conductor API call""" - cur_policies, _ = gen_policy_instance(vnf_list, resource_instance_policy, rtype='resourceInstanceProperty') - return cur_policies - - -def gen_resource_region_policy(vnf_list, resource_region_policy): - """Get policies governing resource region in order to populate the Conductor API call""" - cur_policies, _ = gen_policy_instance(vnf_list, resource_region_policy, rtype='resourceRegionProperty') - return cur_policies - - -def gen_inventory_group_policy(vnf_list, inventory_group_policy): - """Get policies governing inventory group in order to populate the Conductor API call""" - cur_policies, _ = gen_policy_instance(vnf_list, inventory_group_policy, rtype=None) - return cur_policies - - -def gen_reservation_policy(vnf_list, reservation_policy): - """Get policies governing resource instances in order to populate the Conductor API call""" - cur_policies, _ = gen_policy_instance(vnf_list, reservation_policy, rtype='instanceReservationProperty') - return cur_policies - - -def gen_distance_to_location_policy(vnf_list, distance_to_location_policy): - """Get policies governing distance-to-location for VNFs in order to populate the Conductor API call""" - cur_policies, related_policies = gen_policy_instance(vnf_list, distance_to_location_policy, rtype=None) - for p_new, p_main in zip(cur_policies, related_policies): # add additional fields to each policy - properties = p_main['content']['distanceToLocationProperty'] - pcp_d = properties['distanceCondition'] - p_new[p_main['content']['identity']]['properties'] = { - 'distance': text_to_symbol[pcp_d['operator']] + " " + pcp_d['value'].lower(), - 'location': properties['locationInfo'] - } - return cur_policies - - -def gen_attribute_policy(vnf_list, attribute_policy): - """Get policies governing attributes of VNFs in order to populate the Conductor API call""" - cur_policies, related_policies = gen_policy_instance(vnf_list, attribute_policy, rtype=None) - for p_new, p_main in zip(cur_policies, related_policies): # add additional fields to each policy - properties = p_main['content']['cloudAttributeProperty'] - p_new[p_main['content']['identity']]['properties'] = { - 'evaluate': { - 'hypervisor': properties.get('hypervisor', ''), - 'cloud_version': properties.get('cloudVersion', ''), - 'cloud_type': properties.get('cloudType', ''), - 'dataplane': properties.get('dataPlane', ''), - 'network_roles': properties.get('networkRoles', ''), - 'complex': properties.get('complex', ''), - 'state': properties.get('state', ''), - 'country': properties.get('country', ''), - 'geo_region': properties.get('geoRegion', ''), - 'exclusivity_groups': properties.get('exclusivityGroups', ''), - 'replication_role': properties.get('replicationRole', '') - } - } - return cur_policies - - -def gen_zone_policy(vnf_list, zone_policy): - """Get zone policies in order to populate the Conductor API call""" - cur_policies, related_policies = gen_policy_instance(vnf_list, zone_policy, rtype=None) - for p_new, p_main in zip(cur_policies, related_policies): # add additional fields to each policy - pmz = p_main['content']['zoneProperty'] - p_new[p_main['content']['identity']]['properties'] = {'category': pmz['category'], 'qualifier': pmz['qualifier']} - return cur_policies - - -def get_demand_properties(demand, policies): - """Get list demand properties objects (named tuples) from policy""" - def _get_candidates(candidate_info): - return [dict(inventory_type=x['candidateType'], candidate_id=x['candidates']) for x in candidate_info] - properties = [] - for policy in policies: - for resourceInstanceType in policy['content']['resourceInstanceType']: - if resourceInstanceType in demand['resourceModuleName']: - for x in policy['content']['property']: - property = dict(inventory_provider=x['inventoryProvider'], - inventory_type=x['inventoryType'], - service_resource_id=demand['serviceResourceId']) - if 'attributes' in x: - attributes = {} - for k,v in x['attributes'].items(): - key=data_mapping.convert(k) - attributes[key] = v - if(key=="model-invariant-id"): - attributes[key]=demand['resourceModelInfo']['modelInvariantId'] - elif(key=="model-version-id"): - attributes[key]=demand['resourceModelInfo']['modelVersionId'] - property.update({"attributes": attributes}) - if x['inventoryType'] == "cloud": - property['region'] = {'get_param': "CHOSEN_REGION"} - if 'exclusionCandidateInfo' in demand: - property['excluded_candidates'] = _get_candidates(demand['exclusionCandidateInfo']) - if 'requiredCandidateInfo' in demand: - property['required_candidates'] = _get_candidates(demand['requiredCandidateInfo']) - properties.append(property) - if len(properties) == 0: - properties.append(dict(customer_id="", service_type="", inventory_provider="", inventory_type="")) - return properties - - -def gen_demands(req_json, vnf_policies): - """Generate list of demands based on request and VNF policies - :param req_json: Request object from the client (e.g. MSO) - :param vnf_policies: Policies associated with demand resources (e.g. from grouped_policies['vnfPolicy']) - :return: list of demand parameters to populate the Conductor API call - """ - demand_dictionary = {} - for placementDemand in req_json['placementDemand']: - demand_dictionary.update({placementDemand['resourceModuleName']: get_demand_properties(placementDemand, vnf_policies)}) - - return demand_dictionary |