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Diffstat (limited to 'osdf/adapters/conductor/api_builder.py')
| -rw-r--r-- | osdf/adapters/conductor/api_builder.py | 123 |
1 files changed, 123 insertions, 0 deletions
diff --git a/osdf/adapters/conductor/api_builder.py b/osdf/adapters/conductor/api_builder.py new file mode 100644 index 0000000..f3b0798 --- /dev/null +++ b/osdf/adapters/conductor/api_builder.py @@ -0,0 +1,123 @@ +# ------------------------------------------------------------------------- +# Copyright (c) 2015-2017 AT&T Intellectual Property +# Copyright (C) 2020 Wipro Limited. +# +# 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 jinja2 import Template +import json + +import osdf.adapters.conductor.translation as tr +from osdf.adapters.policy.utils import group_policies_gen +from osdf.utils.programming_utils import list_flatten + + +def _build_parameters(group_policies, service_info, request_parameters): + """Function prepares parameters section for has request + + :param group_policies: filtered policies + :param service_info: service info + :param request_parameters: request parameters + :return: + """ + initial_params = tr.get_opt_query_data(request_parameters, + group_policies['onap.policies.optimization.service.QueryPolicy']) + params = dict() + params.update({"REQUIRED_MEM": initial_params.pop("requiredMemory", "")}) + params.update({"REQUIRED_DISK": initial_params.pop("requiredDisk", "")}) + params.update({"customer_lat": initial_params.pop("customerLatitude", 0.0)}) + params.update({"customer_long": initial_params.pop("customerLongitude", 0.0)}) + params.update({"service_name": service_info.get('serviceName', "")}) + params.update({"service_id": service_info.get('serviceInstanceId', "")}) + + for key, val in initial_params.items(): + if val and val != "": + params.update({key: val}) + return params + + +def conductor_api_builder(req_info, demands, request_parameters, service_info, + template_fields, flat_policies: list, local_config, + template="osdf/adapters/conductor/templates/conductor_interface.json"): + """Build an OSDF southbound API call for HAS-Conductor/Placement optimization + + :param req_info: parameter data received from a client + :param demands: list of demands + :param request_parameters: request parameters + :param service_info: service info object + :param template_fields: Fields that has to be passed to the template to render + :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 + :return: json to be sent to Conductor/placement optimization + """ + + templ = Template(open(template).read()) + gp = group_policies_gen(flat_policies, local_config) + demand_name_list = [] + for demand in demands: + demand_name_list.append(demand['resourceModuleName'].lower()) + demand_list = tr.gen_demands(demands, gp['onap.policies.optimization.resource.VnfPolicy']) + attribute_policy_list = tr.gen_attribute_policy( + demand_name_list, gp['onap.policies.optimization.resource.AttributePolicy']) + + distance_to_location_policy_list = tr.gen_distance_to_location_policy( + demand_name_list, gp['onap.policies.optimization.resource.DistancePolicy']) + inventory_policy_list = tr.gen_inventory_group_policy( + demand_name_list, gp['onap.policies.optimization.resource.InventoryGroupPolicy']) + resource_instance_policy_list = tr.gen_resource_instance_policy( + demand_name_list, gp['onap.policies.optimization.resource.ResourceInstancePolicy']) + resource_region_policy_list = tr.gen_resource_region_policy( + demand_name_list, gp['onap.policies.optimization.resource.ResourceRegionPolicy']) + zone_policy_list = tr.gen_zone_policy( + demand_name_list, gp['onap.policies.optimization.resource.AffinityPolicy']) + optimization_policy_list = tr.gen_optimization_policy( + demand_name_list, gp['onap.policies.optimization.resource.OptimizationPolicy']) + reservation_policy_list = tr.gen_reservation_policy( + demand_name_list, gp['onap.policies.optimization.resource.InstanceReservationPolicy']) + capacity_policy_list = tr.gen_capacity_policy( + demand_name_list, gp['onap.policies.optimization.resource.Vim_fit']) + hpa_policy_list = tr.gen_hpa_policy( + demand_name_list, gp['onap.policies.optimization.resource.HpaPolicy']) + threshold_policy_list = tr.gen_threshold_policy(demand_name_list, + gp['onap.policies.optimization.resource.' + 'ThresholdPolicy']) + aggregation_policy_list = tr.gen_aggregation_policy(demand_name_list, + gp['onap.policies.optimization.resource.' + 'AggregationPolicy']) + req_params_dict = _build_parameters(gp, service_info, request_parameters) + conductor_policies = [attribute_policy_list, distance_to_location_policy_list, + inventory_policy_list, resource_instance_policy_list, + resource_region_policy_list, zone_policy_list, reservation_policy_list, + capacity_policy_list, hpa_policy_list, threshold_policy_list, aggregation_policy_list] + filtered_policies = [x for x in conductor_policies if len(x) > 0] + policy_groups = list_flatten(filtered_policies) + request_type = req_info.get('requestType', None) + rendered_req = templ.render( + requestType=request_type, + 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'], + request_params=req_params_dict, + location_enabled=template_fields.get('location_enabled'), + version=template_fields.get('version'), + json=json) + json_payload = json.dumps(json.loads(rendered_req)) # need this because template's JSON is ugly! + return json_payload |