osdfapp.py

   1 # -------------------------------------------------------------------------
   2 #   Copyright (c) 2015-2017 AT&T Intellectual Property
   3 #   Copyright (C) 2020 Wipro Limited.
   4 #
   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
   8 #
   9 #       http://www.apache.org/licenses/LICENSE-2.0
  10 #
  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.
  16 #
  17 # -------------------------------------------------------------------------
  18 #
  19
  20 """
  21 OSDF Manager Main Flask Application
  22 """
  23
  24 import json
  25
  26 from threading import Thread  # for scaling up, may need celery with RabbitMQ or redis
  27
  28 from flask import request, g
  29
  30 from osdf.apps.baseapp import app, run_app
  31 from apps.nst.models.api.nstSelectionRequest import NSTSelectionAPI
  32 from apps.pci.models.api.pciOptimizationRequest import PCIOptimizationAPI
  33 from apps.nst.optimizers.nst_select_processor import process_nst_selection
  34 from apps.pci.optimizers.pci_opt_processor import process_pci_optimation
  35 from apps.placement.models.api.placementRequest import PlacementAPI
  36 from apps.placement.optimizers.conductor.remote_opt_processor import process_placement_opt
  37 from apps.route.optimizers.inter_domain_route_opt import InterDomainRouteOpt
  38 from apps.route.optimizers.simple_route_opt import RouteOpt
  39 from apps.slice_selection.models.api.nsi_selection_request import NSISelectionAPI
  40 from apps.slice_selection.optimizers.conductor.remote_opt_processor import process_nsi_selection_opt
  41 from osdf.adapters.policy.interface import get_policies
  42 from osdf.adapters.policy.interface import upload_policy_models
  43 from osdf.config.base import osdf_config
  44 from osdf.logging.osdf_logging import MH, audit_log
  45 from osdf.operation.responses import osdf_response_for_request_accept as req_accept
  46 from osdf.utils import api_data_utils
  47 from osdf.webapp.appcontroller import auth_basic
  48 from apps.nxi_termination.optimizers.remote_opt_processor import process_nxi_termination_opt
  49 from apps.nxi_termination.models.api.nxi_termination_request import  NxiTerminationApi
  50
  51
  52 @app.route("/api/oof/v1/healthcheck", methods=["GET"])
  53 def do_osdf_health_check():
  54     """Simple health check"""
  55     audit_log.info("A health check request is processed!")
  56     return "OK"
  57
  58
  59 @app.route("/api/oof/loadmodels/v1", methods=["GET"])
  60 def do_osdf_load_policies():
  61     audit_log.info("Uploading policy models")
  62     """Upload policy models"""
  63     response = upload_policy_models()
  64     audit_log.info(response)
  65     return "OK"
  66
  67
  68 @app.route("/api/oof/v1/placement", methods=["POST"])
  69 @auth_basic.login_required
  70 def do_placement_opt():
  71     return placement_rest_api()
  72
  73
  74 @app.route("/api/oof/placement/v1", methods=["POST"])
  75 @auth_basic.login_required
  76 def do_placement_opt_common_versioning():
  77     return placement_rest_api()
  78
  79
  80 def placement_rest_api():
  81     """Perform placement optimization after validating the request and fetching policies
  82     Make a call to the call-back URL with the output of the placement request.
  83     Note: Call to Conductor for placement optimization may have redirects, so account for them
  84     """
  85     request_json = request.get_json()
  86     req_id = request_json['requestInfo']['requestId']
  87     g.request_id = req_id
  88     audit_log.info(MH.received_request(request.url, request.remote_addr, json.dumps(request_json)))
  89     api_version_info = api_data_utils.retrieve_version_info(request, req_id)
  90     PlacementAPI(request_json).validate()
  91     policies = get_policies(request_json, "placement")
  92     audit_log.info(MH.new_worker_thread(req_id, "[for placement]"))
  93     t = Thread(target=process_placement_opt, args=(request_json, policies, osdf_config))
  94     t.start()
  95     audit_log.info(MH.accepted_valid_request(req_id, request))
  96     return req_accept(request_id=req_id,
  97                       transaction_id=request_json['requestInfo']['transactionId'],
  98                       version_info=api_version_info, request_status="accepted", status_message="")
  99
 100
 101 @app.route("/api/oof/route/v1", methods=["POST"])
 102 def do_route_calc():
 103     """
 104     Perform the basic route calculations and returnn the vpn-bindings
 105     """
 106     request_json = request.get_json()
 107     audit_log.info("Calculate Route request received!")
 108     response = RouteOpt().get_route(request_json, osdf_config)
 109     return response
 110
 111
 112 @app.route("/api/oof/mdons/route/v1", methods=["POST"])
 113 def do_mdons_route_calc():
 114     """
 115     Perform the inter domain route calculation
 116     """
 117     request_json = request.get_json()
 118     audit_log.info("Inter Domain Calculation  Route request received!")
 119     response = InterDomainRouteOpt().get_route(request_json, osdf_config)
 120     return response
 121
 122
 123 @app.route("/api/oof/v1/selection/nst", methods=["POST"])
 124 def do_nst_selection():
 125     request_json = request.get_json()
 126     req_id = request_json['requestInfo']['requestId']
 127     NSTSelectionAPI(request_json).validate()
 128     response = process_nst_selection(request_json, osdf_config)
 129     return response
 130
 131 @app.route("/api/oof/v1/pci", methods=["POST"])
 132 @app.route("/api/oof/pci/v1", methods=["POST"])
 133 @auth_basic.login_required
 134 def do_pci_optimization():
 135     request_json = request.get_json()
 136     audit_log.info('request json obtained==>')
 137     audit_log.info(request_json)
 138
 139     req_id = request_json['requestInfo']['requestId']
 140     audit_log.info('requestID obtained==>')
 141     audit_log.info(req_id)
 142
 143     g.request_id = req_id
 144     audit_log.info(MH.received_request(request.url, request.remote_addr, json.dumps(request_json)))
 145     PCIOptimizationAPI(request_json).validate()
 146     # disable policy retrieval
 147     # policies = get_policies(request_json, "pciopt")
 148     audit_log.info(MH.new_worker_thread(req_id, "[for pciopt]"))
 149     t = Thread(target=process_pci_optimation, args=(request_json, osdf_config, None))
 150     t.start()
 151     audit_log.info(MH.accepted_valid_request(req_id, request))
 152     audit_log.info('reached upto return')
 153     return req_accept(request_id=req_id,
 154                       transaction_id=request_json['requestInfo']['transactionId'],
 155                       request_status="accepted", status_message="")
 156
 157
 158 @app.route("/api/oof/selection/nsi/v1", methods=["POST"])
 159 def do_nsi_selection():
 160     request_json = request.get_json()
 161     req_id = request_json['requestInfo']['requestId']
 162     g.request_id = req_id
 163     audit_log.info(MH.received_request(request.url, request.remote_addr, json.dumps(request_json)))
 164     NSISelectionAPI(request_json).validate()
 165     audit_log.info(MH.new_worker_thread(req_id, "[for NSI selection]"))
 166     t = Thread(target=process_nsi_selection_opt, args=(request_json, osdf_config))
 167     t.start()
 168     return req_accept(request_id=req_id,
 169                       transaction_id=request_json['requestInfo']['transactionId'],
 170                       request_status="accepted", status_message="")
 171
 172
 173 @app.route("/api/oof/selection/nssi/v1", methods=["POST"])
 174 def do_nssi_selection():
 175     request_json = request.get_json()
 176     req_id = request_json['requestInfo']['requestId']
 177     g.request_id = req_id
 178     audit_log.info(MH.received_request(request.url, request.remote_addr, json.dumps(request_json)))
 179     NSSISelectionAPI(request_json).validate()
 180     audit_log.info(MH.new_worker_thread(req_id, "[for NSSI selection]"))
 181     t = Thread(target=process_nsi_selection_opt, args=(request_json, osdf_config))
 182     t.start()
 183     return req_accept(request_id=req_id,
 184                       transaction_id=request_json['requestInfo']['transactionId'],
 185                       request_status="accepted", status_message="")
 186
 187 @app.route("/api/oof/terminate/nxi/v1",methods=["POST"])
 188 def do_nxi_terminaton():
 189     request_json = request.get_json()
 190     req_id = request_json['requestInfo']['requestId']
 191     g.request_id = req_id
 192     audit_log.info(MH.received_request(request.url, request.remote_addr, json.dumps(request_json)))
 193     NxiTerminationApi(request_json).validate()
 194     return process_nxi_termination_opt(request_json,osdf_config)
 195
 196 if __name__ == "__main__":
 197     run_app()