E2Manager/configuration/configuration.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
  21 package configuration
  22
  23 import (
  24         "fmt"
  25         "github.com/spf13/viper"
  26 )
  27
  28 type Configuration struct {
  29         Logging struct {
  30                 LogLevel string
  31         }
  32         Http struct {
  33                 Port int
  34         }
  35         Rmr struct {
  36                 Port       int
  37                 MaxMsgSize int
  38         }
  39         RoutingManager struct {
  40                 BaseUrl    string
  41         }
  42         NotificationResponseBuffer   int
  43         BigRedButtonTimeoutSec       int
  44         MaxConnectionAttempts        int
  45         MaxRnibConnectionAttempts    int
  46         RnibRetryIntervalMs          int
  47         KeepAliveResponseTimeoutMs       int
  48         KeepAliveDelayMs             int
  49 }
  50
  51 func ParseConfiguration() *Configuration {
  52         viper.SetConfigType("yaml")
  53         viper.SetConfigName("configuration")
  54         viper.AddConfigPath("E2Manager/resources/")
  55         viper.AddConfigPath("./resources/")     //For production
  56         viper.AddConfigPath("../resources/")    //For test under Docker
  57         viper.AddConfigPath("../../resources/") //For test under Docker
  58         err := viper.ReadInConfig()
  59         if err != nil {
  60                 panic(fmt.Sprintf("#configuration.ParseConfiguration - failed to read configuration file: %s\n", err))
  61         }
  62
  63         config := Configuration{}
  64         config.populateRmrConfig(viper.Sub("rmr"))
  65         config.populateHttpConfig(viper.Sub("http"))
  66         config.populateLoggingConfig(viper.Sub("logging"))
  67         config.populateRoutingManagerConfig(viper.Sub("routingManager"))
  68         config.NotificationResponseBuffer = viper.GetInt("notificationResponseBuffer")
  69         config.BigRedButtonTimeoutSec = viper.GetInt("bigRedButtonTimeoutSec")
  70         config.MaxConnectionAttempts = viper.GetInt("maxConnectionAttempts")
  71         config.MaxRnibConnectionAttempts = viper.GetInt("maxRnibConnectionAttempts")
  72         config.RnibRetryIntervalMs = viper.GetInt("rnibRetryIntervalMs")
  73         config.KeepAliveResponseTimeoutMs = viper.GetInt("keepAliveResponseTimeoutMs")
  74         config.KeepAliveDelayMs = viper.GetInt("KeepAliveDelayMs")
  75         return &config
  76 }
  77
  78 func (c *Configuration) populateLoggingConfig(logConfig *viper.Viper) {
  79         if logConfig == nil {
  80                 panic(fmt.Sprintf("#configuration.populateLoggingConfig - failed to populate logging configuration: The entry 'logging' not found\n"))
  81         }
  82         c.Logging.LogLevel = logConfig.GetString("logLevel")
  83 }
  84
  85 func (c *Configuration) populateHttpConfig(httpConfig *viper.Viper) {
  86         if httpConfig == nil {
  87                 panic(fmt.Sprintf("#configuration.populateHttpConfig - failed to populate HTTP configuration: The entry 'http' not found\n"))
  88         }
  89         c.Http.Port = httpConfig.GetInt("port")
  90 }
  91
  92 func (c *Configuration) populateRmrConfig(rmrConfig *viper.Viper) {
  93         if rmrConfig == nil {
  94                 panic(fmt.Sprintf("#configuration.populateRmrConfig - failed to populate RMR configuration: The entry 'rmr' not found\n"))
  95         }
  96         c.Rmr.Port = rmrConfig.GetInt("port")
  97         c.Rmr.MaxMsgSize = rmrConfig.GetInt("maxMsgSize")
  98 }
  99
 100 func (c *Configuration) populateRoutingManagerConfig(rmConfig *viper.Viper) {
 101         if rmConfig == nil {
 102                 panic(fmt.Sprintf("#configuration.populateRoutingManagerConfig - failed to populate Routing Manager configuration: The entry 'routingManager' not found\n"))
 103         }
 104         c.RoutingManager.BaseUrl = rmConfig.GetString("baseUrl")
 105 }