dmaap-mediator-producer/main.go

   1 // -
   2 //   ========================LICENSE_START=================================
   3 //   O-RAN-SC
   4 //   %%
   5 //   Copyright (C) 2021: Nordix Foundation
   6 //   %%
   7 //   Licensed under the Apache License, Version 2.0 (the "License");
   8 //   you may not use this file except in compliance with the License.
   9 //   You may obtain a copy of the License at
  10 //
  11 //        http://www.apache.org/licenses/LICENSE-2.0
  12 //
  13 //   Unless required by applicable law or agreed to in writing, software
  14 //   distributed under the License is distributed on an "AS IS" BASIS,
  15 //   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  16 //   See the License for the specific language governing permissions and
  17 //   limitations under the License.
  18 //   ========================LICENSE_END===================================
  19 //
  20
  21 package main
  22
  23 import (
  24         "fmt"
  25         "net/http"
  26
  27         log "github.com/sirupsen/logrus"
  28         "oransc.org/nonrtric/dmaapmediatorproducer/internal/config"
  29         "oransc.org/nonrtric/dmaapmediatorproducer/internal/jobtypes"
  30         "oransc.org/nonrtric/dmaapmediatorproducer/internal/server"
  31 )
  32
  33 var configuration *config.Config
  34 var supervisionCallbackAddress string
  35 var jobInfoCallbackAddress string
  36
  37 func init() {
  38         configuration = config.New()
  39         if loglevel, err := log.ParseLevel(configuration.LogLevel); err == nil {
  40                 log.SetLevel(loglevel)
  41         } else {
  42                 log.Warnf("Invalid log level: %v. Log level will be Info!", configuration.LogLevel)
  43         }
  44
  45         log.Debug("Initializing DMaaP Mediator Producer")
  46         if configuration.InfoProducerSupervisionCallbackHost == "" {
  47                 log.Fatal("Missing INFO_PRODUCER_SUPERVISION_CALLBACK_HOST")
  48         }
  49         supervisionCallbackAddress = fmt.Sprintf("%v:%v", configuration.InfoProducerSupervisionCallbackHost, configuration.InfoProducerSupervisionCallbackPort)
  50
  51         if configuration.InfoJobCallbackHost == "" {
  52                 log.Fatal("Missing INFO_JOB_CALLBACK_HOST")
  53         }
  54         jobInfoCallbackAddress = fmt.Sprintf("%v:%v", configuration.InfoJobCallbackHost, configuration.InfoJobCallbackPort)
  55
  56         registrator := config.NewRegistratorImpl(configuration.InfoCoordinatorAddress)
  57         if types, err := jobtypes.GetTypes(); err == nil {
  58                 if regErr := registrator.RegisterTypes(types); regErr != nil {
  59                         log.Fatalf("Unable to register all types due to: %v", regErr)
  60                 }
  61         } else {
  62                 log.Fatalf("Unable to get types to register due to: %v", err)
  63         }
  64         producer := config.ProducerRegistrationInfo{
  65                 InfoProducerSupervisionCallbackUrl: supervisionCallbackAddress,
  66                 SupportedInfoTypes:                 jobtypes.GetSupportedTypes(),
  67                 InfoJobCallbackUrl:                 jobInfoCallbackAddress,
  68         }
  69         if err := registrator.RegisterProducer("DMaaP_Mediator_Producer", &producer); err != nil {
  70                 log.Fatalf("Unable to register producer due to: %v", err)
  71         }
  72 }
  73
  74 func main() {
  75         log.Debug("Starting DMaaP Mediator Producer")
  76         log.Debugf("Starting status callback server at port %v", configuration.InfoProducerSupervisionCallbackPort)
  77         http.HandleFunc("/", server.StatusHandler)
  78
  79         if err := http.ListenAndServe(":"+configuration.InfoProducerSupervisionCallbackPort, nil); err != nil {
  80                 log.Fatal(err)
  81         }
  82         log.Debug("Stopping DMaaP Mediator Producer")
  83 }