1 # -------------------------------------------------------------------------
2 # Copyright (c) 2015-2017 AT&T Intellectual Property
3 # Copyright (C) 2020 Wipro Limited.
5 # Licensed under the Apache License, Version 2.0 (the "License");
6 # you may not use this file except in compliance with the License.
7 # You may obtain a copy of the License at
9 # http://www.apache.org/licenses/LICENSE-2.0
11 # Unless required by applicable law or agreed to in writing, software
12 # distributed under the License is distributed on an "AS IS" BASIS,
13 # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
14 # See the License for the specific language governing permissions and
15 # limitations under the License.
17 # -------------------------------------------------------------------------
20 from jinja2 import Template
23 from osdf.adapters.policy.utils import group_policies_gen
24 import osdf.adapters.conductor.translation as tr
25 from osdf.utils.programming_utils import list_flatten
28 def _build_parameters(group_policies, service_info, request_parameters):
30 Function prepares parameters section for has request
31 :param group_policies: filtered policies
32 :param service_info: service info
33 :param request_parameters: request parameters
36 initial_params = tr.get_opt_query_data(request_parameters,
37 group_policies['onap.policies.optimization.service.QueryPolicy'])
39 params.update({"REQUIRED_MEM": initial_params.pop("requiredMemory", "")})
40 params.update({"REQUIRED_DISK": initial_params.pop("requiredDisk", "")})
41 params.update({"customer_lat": initial_params.pop("customerLatitude", 0.0)})
42 params.update({"customer_long": initial_params.pop("customerLongitude", 0.0)})
43 params.update({"service_name": service_info.get('serviceName', "")})
44 params.update({"service_id": service_info.get('serviceInstanceId', "")})
46 for key, val in initial_params.items():
48 params.update({key: val})
52 def conductor_api_builder(req_info, demands, request_parameters, service_info,
53 location_enabled, flat_policies: list, local_config,
54 template="osdf/adapters/conductor/templates/conductor_interface.json"):
55 """Build an OSDF southbound API call for HAS-Conductor/Placement optimization
56 :param req_info: parameter data received from a client
57 :param demands: list of demands
58 :param request_parameters: request parameters
59 :param service_info: service info object
60 :param location_enabled: boolean to check location to be sent in the request
61 :param flat_policies: policy data received from the policy platform (flat policies)
62 :param template: template to generate southbound API call to conductor
63 :param local_config: local configuration file with pointers for
64 the service specific information
65 :return: json to be sent to Conductor/placement optimization
68 templ = Template(open(template).read())
69 gp = group_policies_gen(flat_policies, local_config)
71 for demand in demands:
72 demand_name_list.append(demand['resourceModuleName'].lower())
73 demand_list = tr.gen_demands(demands, gp['onap.policies.optimization.resource.VnfPolicy'])
74 attribute_policy_list = tr.gen_attribute_policy(
75 demand_name_list, gp['onap.policies.optimization.resource.AttributePolicy'])
76 distance_to_location_policy_list = tr.gen_distance_to_location_policy(
77 demand_name_list, gp['onap.policies.optimization.resource.DistancePolicy'])
78 inventory_policy_list = tr.gen_inventory_group_policy(
79 demand_name_list, gp['onap.policies.optimization.resource.InventoryGroupPolicy'])
80 resource_instance_policy_list = tr.gen_resource_instance_policy(
81 demand_name_list, gp['onap.policies.optimization.resource.ResourceInstancePolicy'])
82 resource_region_policy_list = tr.gen_resource_region_policy(
83 demand_name_list, gp['onap.policies.optimization.resource.ResourceRegionPolicy'])
84 zone_policy_list = tr.gen_zone_policy(
85 demand_name_list, gp['onap.policies.optimization.resource.AffinityPolicy'])
86 optimization_policy_list = tr.gen_optimization_policy(
87 demand_name_list, gp['onap.policies.optimization.resource.OptimizationPolicy'])
88 reservation_policy_list = tr.gen_reservation_policy(
89 demand_name_list, gp['onap.policies.optimization.resource.InstanceReservationPolicy'])
90 capacity_policy_list = tr.gen_capacity_policy(
91 demand_name_list, gp['onap.policies.optimization.resource.Vim_fit'])
92 hpa_policy_list = tr.gen_hpa_policy(
93 demand_name_list, gp['onap.policies.optimization.resource.HpaPolicy'])
94 threshold_policy_list = tr.gen_threshold_policy(demand_name_list,
95 gp['onap.policies.optimization.resource.'
97 aggregation_policy_list = tr.gen_aggregation_policy(demand_name_list,
98 gp['onap.policies.optimization.resource.'
100 req_params_dict = _build_parameters(gp, service_info, request_parameters)
101 conductor_policies = [attribute_policy_list, distance_to_location_policy_list,
102 inventory_policy_list, resource_instance_policy_list,
103 resource_region_policy_list, zone_policy_list, reservation_policy_list,
104 capacity_policy_list, hpa_policy_list, threshold_policy_list, aggregation_policy_list]
105 filtered_policies = [x for x in conductor_policies if len(x) > 0]
106 policy_groups = list_flatten(filtered_policies)
107 request_type = req_info.get('requestType', None)
108 rendered_req = templ.render(
109 requestType=request_type,
110 demand_list=demand_list,
111 policy_groups=policy_groups,
112 optimization_policies=optimization_policy_list,
113 name=req_info['requestId'],
114 timeout=req_info['timeout'],
115 limit=req_info['numSolutions'],
116 request_params=req_params_dict,
117 location_enabled=location_enabled,
119 json_payload = json.dumps(json.loads(rendered_req)) # need this because template's JSON is ugly!