E2Manager/handlers/httpmsghandlers/delete_enb_request_handler.go

   1 //
   2 // Copyright 2019 AT&T Intellectual Property
   3 // Copyright 2019 Nokia
   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 //  This source code is part of the near-RT RIC (RAN Intelligent Controller)
  18 //  platform project (RICP).
  19
  20 package httpmsghandlers
  21
  22 import (
  23         "e2mgr/e2managererrors"
  24         "e2mgr/logger"
  25         "e2mgr/managers"
  26         "e2mgr/models"
  27         "e2mgr/services"
  28         "gerrit.o-ran-sc.org/r/ric-plt/nodeb-rnib.git/common"
  29         "gerrit.o-ran-sc.org/r/ric-plt/nodeb-rnib.git/entities"
  30 )
  31
  32 type DeleteEnbRequestHandler struct {
  33         logger          *logger.Logger
  34         rNibDataService services.RNibDataService
  35         ranListManager  managers.RanListManager
  36 }
  37
  38 func NewDeleteEnbRequestHandler(logger *logger.Logger, rNibDataService services.RNibDataService, ranListManager managers.RanListManager) *DeleteEnbRequestHandler {
  39         return &DeleteEnbRequestHandler{
  40                 logger:          logger,
  41                 rNibDataService: rNibDataService,
  42                 ranListManager:  ranListManager,
  43         }
  44 }
  45
  46 func (h *DeleteEnbRequestHandler) Handle(request models.Request) (models.IResponse, error) {
  47
  48         deleteEnbRequest := request.(*models.DeleteEnbRequest)
  49
  50         h.logger.Infof("#DeleteEnbRequestHandler.Handle - RAN name: %s", deleteEnbRequest.RanName)
  51
  52         nodebInfo, err := h.rNibDataService.GetNodeb(deleteEnbRequest.RanName)
  53
  54         if err != nil {
  55                 _, ok := err.(*common.ResourceNotFoundError)
  56                 if !ok {
  57                         h.logger.Errorf("#DeleteEnbRequestHandler.Handle - RAN name: %s - failed to get nodeb entity from RNIB. Error: %s", deleteEnbRequest.RanName, err)
  58                         return nil, e2managererrors.NewRnibDbError()
  59                 }
  60
  61                 h.logger.Errorf("#DeleteEnbRequestHandler.Handle - RAN name: %s - RAN not found on RNIB. Error: %s", deleteEnbRequest.RanName, err)
  62                 return nil, e2managererrors.NewResourceNotFoundError()
  63         }
  64
  65         if nodebInfo.NodeType != entities.Node_ENB {
  66                 h.logger.Errorf("#DeleteEnbRequestHandler.Handle - RAN name: %s - RAN is not eNB.", deleteEnbRequest.RanName)
  67                 return nil, e2managererrors.NewRequestValidationError()
  68         }
  69
  70         err = h.rNibDataService.RemoveEnb(nodebInfo)
  71         if err != nil {
  72                 h.logger.Errorf("#DeleteEnbRequestHandler.Handle - RAN name: %s - failed to delete nodeb entity in RNIB. Error: %s", deleteEnbRequest.RanName, err)
  73                 return nil, e2managererrors.NewRnibDbError()
  74         }
  75
  76         err = h.ranListManager.RemoveNbIdentity(entities.Node_ENB, deleteEnbRequest.RanName)
  77         if err != nil {
  78                 h.logger.Errorf("#DeleteEnbRequestHandler.Handle - RAN name: %s - failed to delete nbIdentity in RNIB. Error: %s", deleteEnbRequest.RanName, err)
  79                 return nil, e2managererrors.NewRnibDbError()
  80         }
  81
  82         h.logger.Infof("#DeleteEnbRequestHandler.Handle - RAN name: %s - deleted successfully.", deleteEnbRequest.RanName)
  83         return models.NewNodebResponse(nodebInfo), nil
  84 }