2 // Copyright 2019 AT&T Intellectual Property
3 // Copyright 2019 Nokia
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
9 // http://www.apache.org/licenses/LICENSE-2.0
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.
17 // This source code is part of the near-RT RIC (RAN Intelligent Controller)
18 // platform project (RICP).
25 "github.com/spf13/viper"
29 type Configuration struct {
40 RoutingManager struct {
44 NotificationResponseBuffer int
45 BigRedButtonTimeoutSec int
46 MaxRnibConnectionAttempts int
47 RnibRetryIntervalMs int
48 KeepAliveResponseTimeoutMs int
50 E2TInstanceDeletionTimeoutMs int
58 func ParseConfiguration() *Configuration {
59 viper.SetConfigType("yaml")
60 viper.SetConfigName("configuration")
61 viper.AddConfigPath("E2Manager/resources/")
62 viper.AddConfigPath("./resources/") //For production
63 viper.AddConfigPath("../resources/") //For test under Docker
64 viper.AddConfigPath("../../resources/") //For test under Docker
65 err := viper.ReadInConfig()
67 panic(fmt.Sprintf("#configuration.ParseConfiguration - failed to read configuration file: %s\n", err))
70 config := Configuration{}
71 config.populateRmrConfig(viper.Sub("rmr"))
72 config.populateHttpConfig(viper.Sub("http"))
73 config.populateLoggingConfig(viper.Sub("logging"))
74 config.populateRoutingManagerConfig(viper.Sub("routingManager"))
75 config.NotificationResponseBuffer = viper.GetInt("notificationResponseBuffer")
76 config.BigRedButtonTimeoutSec = viper.GetInt("bigRedButtonTimeoutSec")
77 config.MaxRnibConnectionAttempts = viper.GetInt("maxRnibConnectionAttempts")
78 config.RnibRetryIntervalMs = viper.GetInt("rnibRetryIntervalMs")
79 config.KeepAliveResponseTimeoutMs = viper.GetInt("keepAliveResponseTimeoutMs")
80 config.KeepAliveDelayMs = viper.GetInt("KeepAliveDelayMs")
81 config.E2TInstanceDeletionTimeoutMs = viper.GetInt("e2tInstanceDeletionTimeoutMs")
82 config.populateGlobalRicIdConfig(viper.Sub("globalRicId"))
86 func (c *Configuration) populateLoggingConfig(logConfig *viper.Viper) {
88 panic(fmt.Sprintf("#configuration.populateLoggingConfig - failed to populate logging configuration: The entry 'logging' not found\n"))
90 c.Logging.LogLevel = logConfig.GetString("logLevel")
93 func (c *Configuration) populateHttpConfig(httpConfig *viper.Viper) {
94 if httpConfig == nil {
95 panic(fmt.Sprintf("#configuration.populateHttpConfig - failed to populate HTTP configuration: The entry 'http' not found\n"))
97 c.Http.Port = httpConfig.GetInt("port")
100 func (c *Configuration) populateRmrConfig(rmrConfig *viper.Viper) {
101 if rmrConfig == nil {
102 panic(fmt.Sprintf("#configuration.populateRmrConfig - failed to populate RMR configuration: The entry 'rmr' not found\n"))
104 c.Rmr.Port = rmrConfig.GetInt("port")
105 c.Rmr.MaxMsgSize = rmrConfig.GetInt("maxMsgSize")
108 func (c *Configuration) populateRoutingManagerConfig(rmConfig *viper.Viper) {
110 panic(fmt.Sprintf("#configuration.populateRoutingManagerConfig - failed to populate Routing Manager configuration: The entry 'routingManager' not found\n"))
112 c.RoutingManager.BaseUrl = rmConfig.GetString("baseUrl")
115 func (c *Configuration) populateGlobalRicIdConfig(globalRicIdConfig *viper.Viper) {
116 err := validateGlobalRicIdConfig(globalRicIdConfig)
120 c.GlobalRicId.RicId = globalRicIdConfig.GetString("ricId")
121 c.GlobalRicId.Mcc = globalRicIdConfig.GetString("mcc")
122 c.GlobalRicId.Mnc = globalRicIdConfig.GetString("mnc")
125 func validateGlobalRicIdConfig(globalRicIdConfig *viper.Viper) error {
126 if globalRicIdConfig == nil {
127 return errors.New("#configuration.validateGlobalRicIdConfig - failed to populate Global RicId configuration: The entry 'globalRicId' not found\n")
130 err := validateRicId(globalRicIdConfig.GetString("ricId"))
136 err = validateMcc(globalRicIdConfig.GetString("mcc"))
142 err = validateMnc(globalRicIdConfig.GetString("mnc"))
152 func validateMcc(mcc string) error {
155 return errors.New("#configuration.validateMcc - mcc is missing or empty\n")
159 return errors.New("#configuration.validateMcc - mcc is not 3 digits\n")
162 mccInt, err := strconv.Atoi(mcc)
165 return errors.New("#configuration.validateMcc - mcc is not a number\n")
169 return errors.New("#configuration.validateMcc - mcc is negative\n")
174 func validateMnc(mnc string) error {
177 return errors.New("#configuration.validateMnc - mnc is missing or empty\n")
180 if len(mnc) < 2 || len(mnc) >3 {
181 return errors.New("#configuration.validateMnc - mnc is not 2 or 3 digits\n")
184 mncAsInt, err := strconv.Atoi(mnc)
187 return errors.New("#configuration.validateMnc - mnc is not a number\n")
191 return errors.New("#configuration.validateMnc - mnc is negative\n")
197 func validateRicId(ricId string) error{
200 return errors.New("#configuration.validateRicId - ricId is missing or empty\n")
204 return errors.New("#configuration.validateRicId - ricId length should be 5 hex characters\n")
207 _, err := strconv.ParseUint(ricId, 16, 64)
209 return errors.New("#configuration.validateRicId - ricId is not hex number\n")
216 func (c *Configuration) String() string {
217 return fmt.Sprintf("{logging.logLevel: %s, http.port: %d, rmr: { port: %d, maxMsgSize: %d}, routingManager.baseUrl: %s, "+
218 "notificationResponseBuffer: %d, bigRedButtonTimeoutSec: %d, maxRnibConnectionAttempts: %d, "+
219 "rnibRetryIntervalMs: %d, keepAliveResponseTimeoutMs: %d, keepAliveDelayMs: %d, e2tInstanceDeletionTimeoutMs: %d, "+
220 "globalRicId: { ricId: %s, mcc: %s, mnc: %s}",
225 c.RoutingManager.BaseUrl,
226 c.NotificationResponseBuffer,
227 c.BigRedButtonTimeoutSec,
228 c.MaxRnibConnectionAttempts,
229 c.RnibRetryIntervalMs,
230 c.KeepAliveResponseTimeoutMs,
232 c.E2TInstanceDeletionTimeoutMs,