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+# -------------------------------------------------------------------------
+# 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 copy
+import json
+from osdf.utils import data_mapping
+from jinja2 import Template
+from osdf.utils.programming_utils import list_flatten, dot_notation
+import osdf.optimizers.placementopt.conductor.translation as tr
+from osdf.adapters.policy.utils import group_policies
+
+
+def conductor_api_builder(request_json, flat_policies: list, local_config, prov_status,
+ template="templates/conductor_interface.json"):
+ """Build a SNIRO southbound API call for Conductor/Placement optimization
+ :param request_json: parameter data received from a client
+ :param flat_policies: policy data received from the policy platform (flat policies)
+ :param template: template to generate southbound API call to conductor
+ :param local_config: local configuration file with pointers for the service specific information
+ :param prov_status: provStatus retrieved from Subscriber policy
+ :return: json to be sent to Conductor/placement optimization
+ """
+ templ = Template(open(template).read())
+ gp = group_policies(flat_policies)
+ demand_vnf_name_list = []
+
+ for placementDemand in request_json['placementInfo']['demandInfo']['placementDemand']:
+ demand_vnf_name_list.append(placementDemand['resourceModuleName'])
+
+ demand_list = tr.gen_demands(request_json['placementInfo']['demandInfo'], gp['vnfPolicy'])
+ attribute_policy_list = tr.gen_attribute_policy(demand_vnf_name_list, gp['attribute'])
+ distance_to_location_policy_list = tr.gen_distance_to_location_policy(
+ demand_vnf_name_list, gp['distance_to_location'])
+ inventory_policy_list = tr.gen_inventory_group_policy(demand_vnf_name_list, gp['inventory_group'])
+ resource_instance_policy_list = tr.gen_resource_instance_policy(
+ demand_vnf_name_list, gp['instance_fit'])
+ resource_region_policy_list = tr.gen_resource_region_policy(demand_vnf_name_list, gp['region_fit'])
+ zone_policy_list = tr.gen_zone_policy(demand_vnf_name_list, gp['zone'])
+ optimization_policy_list = tr.gen_optimization_policy(demand_vnf_name_list, gp['placementOptimization'])
+ reservation_policy_list = tr.gen_reservation_policy(demand_vnf_name_list, gp['instance_reservation'])
+ conductor_policies = [attribute_policy_list, distance_to_location_policy_list, inventory_policy_list,
+ resource_instance_policy_list, resource_region_policy_list, zone_policy_list]
+ filtered_policies = [x for x in conductor_policies if len(x) > 0]
+ policy_groups = list_flatten(filtered_policies)
+ reservation_policies = [x for x in reservation_policy_list if len(x) > 0]
+ reservation_groups = list_flatten(reservation_policies)
+ req_info = request_json['requestInfo']
+ model_name = request_json['placementInfo']['serviceModelInfo']['modelName']
+ service_type = data_mapping.get_service_type(model_name)
+ service_info = local_config.get('service_info', {}).get(service_type, {})
+ if 'orderInfo' in request_json["placementInfo"]:
+ order_info = json.loads(request_json["placementInfo"]["orderInfo"])
+ request_type = req_info.get('requestType', None)
+ subs_com_site_id = ""
+ if 'subscriberInfo' in request_json['placementInfo']:
+ subs_com_site_id = request_json['placementInfo']['subscriberInfo'].get('subscriberCommonSiteId', "")
+ if service_type == 'vCPE':
+ data_mapping.normalize_user_params(order_info)
+ rendered_req = templ.render(
+ requestType=request_type,
+ chosenComplex=subs_com_site_id,
+ demand_list=demand_list,
+ policy_groups=policy_groups,
+ optimization_policies=optimization_policy_list,
+ name=req_info['requestId'],
+ timeout=req_info['timeout'],
+ limit=req_info['numSolutions'],
+ serviceType=service_type,
+ serviceInstance=request_json['placementInfo']['serviceInstanceId'],
+ provStatus = prov_status,
+ chosenRegion=order_info['requestParameters']['lcpCloudRegionId'],
+ json=json)
+ elif service_type == 'UNKNOWN':
+ rendered_req = templ.render(
+ requestType=request_type,
+ chosenComplex=subs_com_site_id,
+ demand_list=demand_list,
+ policy_groups=policy_groups,
+ reservation_groups=reservation_groups,
+ optimization_policies=optimization_policy_list,
+ name=req_info['requestId'],
+ timeout=req_info['timeout'],
+ limit=req_info['numSolutions'],
+ serviceType=service_type,
+ serviceInstance=request_json['placementInfo']['serviceInstanceId'],
+ provStatus = prov_status,
+ # process order data
+ bandwidth=dot_notation(order_info, service_info['bandwidth']),
+ bandwidth_unit=dot_notation(order_info, service_info['bandwidth_units']),
+ json=json)
+ json_payload = json.dumps(json.loads(rendered_req)) # need this because template's JSON is ugly!
+ return json_payload
+
+
+def retrieve_node(req_json, reference):
+ """
+ Get the child node(s) from the dot-notation [reference] and parent [req_json].
+ For placement and other requests, there are encoded JSONs inside the request or policy,
+ so we need to expand it and then do a search over the parent plus expanded JSON.
+ """
+ req_json_copy = copy.deepcopy(req_json) # since we expand the JSON in place, we work on a copy
+ if 'orderInfo' in req_json_copy['placementInfo']:
+ req_json_copy['placementInfo']['orderInfo'] = json.loads(req_json_copy['placementInfo']['orderInfo'])
+ info = dot_notation(req_json_copy, reference)
+ return list_flatten(info) if isinstance(info, list) else info
+