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
56 StateChangeMessageChannel string
59 func ParseConfiguration() *Configuration {
60 viper.SetConfigType("yaml")
61 viper.SetConfigName("configuration")
62 viper.AddConfigPath("E2Manager/resources/")
63 viper.AddConfigPath("./resources/") //For production
64 viper.AddConfigPath("../resources/") //For test under Docker
65 viper.AddConfigPath("../../resources/") //For test under Docker
66 err := viper.ReadInConfig()
68 panic(fmt.Sprintf("#configuration.ParseConfiguration - failed to read configuration file: %s\n", err))
71 config := Configuration{}
72 config.populateRmrConfig(viper.Sub("rmr"))
73 config.populateHttpConfig(viper.Sub("http"))
74 config.populateLoggingConfig(viper.Sub("logging"))
75 config.populateRoutingManagerConfig(viper.Sub("routingManager"))
76 config.NotificationResponseBuffer = viper.GetInt("notificationResponseBuffer")
77 config.BigRedButtonTimeoutSec = viper.GetInt("bigRedButtonTimeoutSec")
78 config.MaxRnibConnectionAttempts = viper.GetInt("maxRnibConnectionAttempts")
79 config.RnibRetryIntervalMs = viper.GetInt("rnibRetryIntervalMs")
80 config.KeepAliveResponseTimeoutMs = viper.GetInt("keepAliveResponseTimeoutMs")
81 config.KeepAliveDelayMs = viper.GetInt("KeepAliveDelayMs")
82 config.E2TInstanceDeletionTimeoutMs = viper.GetInt("e2tInstanceDeletionTimeoutMs")
83 config.populateGlobalRicIdConfig(viper.Sub("globalRicId"))
84 config.StateChangeMessageChannel = viper.GetString("stateChangeMessageChannel")
88 func (c *Configuration) populateLoggingConfig(logConfig *viper.Viper) {
90 panic(fmt.Sprintf("#configuration.populateLoggingConfig - failed to populate logging configuration: The entry 'logging' not found\n"))
92 c.Logging.LogLevel = logConfig.GetString("logLevel")
95 func (c *Configuration) populateHttpConfig(httpConfig *viper.Viper) {
96 if httpConfig == nil {
97 panic(fmt.Sprintf("#configuration.populateHttpConfig - failed to populate HTTP configuration: The entry 'http' not found\n"))
99 c.Http.Port = httpConfig.GetInt("port")
102 func (c *Configuration) populateRmrConfig(rmrConfig *viper.Viper) {
103 if rmrConfig == nil {
104 panic(fmt.Sprintf("#configuration.populateRmrConfig - failed to populate RMR configuration: The entry 'rmr' not found\n"))
106 c.Rmr.Port = rmrConfig.GetInt("port")
107 c.Rmr.MaxMsgSize = rmrConfig.GetInt("maxMsgSize")
110 func (c *Configuration) populateRoutingManagerConfig(rmConfig *viper.Viper) {
112 panic(fmt.Sprintf("#configuration.populateRoutingManagerConfig - failed to populate Routing Manager configuration: The entry 'routingManager' not found\n"))
114 c.RoutingManager.BaseUrl = rmConfig.GetString("baseUrl")
117 func (c *Configuration) populateGlobalRicIdConfig(globalRicIdConfig *viper.Viper) {
118 err := validateGlobalRicIdConfig(globalRicIdConfig)
122 c.GlobalRicId.RicId = globalRicIdConfig.GetString("ricId")
123 c.GlobalRicId.Mcc = globalRicIdConfig.GetString("mcc")
124 c.GlobalRicId.Mnc = globalRicIdConfig.GetString("mnc")
127 func validateGlobalRicIdConfig(globalRicIdConfig *viper.Viper) error {
128 if globalRicIdConfig == nil {
129 return errors.New("#configuration.validateGlobalRicIdConfig - failed to populate Global RicId configuration: The entry 'globalRicId' not found\n")
132 err := validateRicId(globalRicIdConfig.GetString("ricId"))
138 err = validateMcc(globalRicIdConfig.GetString("mcc"))
144 err = validateMnc(globalRicIdConfig.GetString("mnc"))
154 func validateMcc(mcc string) error {
157 return errors.New("#configuration.validateMcc - mcc is missing or empty\n")
161 return errors.New("#configuration.validateMcc - mcc is not 3 digits\n")
164 mccInt, err := strconv.Atoi(mcc)
167 return errors.New("#configuration.validateMcc - mcc is not a number\n")
171 return errors.New("#configuration.validateMcc - mcc is negative\n")
176 func validateMnc(mnc string) error {
179 return errors.New("#configuration.validateMnc - mnc is missing or empty\n")
182 if len(mnc) < 2 || len(mnc) >3 {
183 return errors.New("#configuration.validateMnc - mnc is not 2 or 3 digits\n")
186 mncAsInt, err := strconv.Atoi(mnc)
189 return errors.New("#configuration.validateMnc - mnc is not a number\n")
193 return errors.New("#configuration.validateMnc - mnc is negative\n")
199 func validateRicId(ricId string) error{
202 return errors.New("#configuration.validateRicId - ricId is missing or empty\n")
206 return errors.New("#configuration.validateRicId - ricId length should be 5 hex characters\n")
209 _, err := strconv.ParseUint(ricId, 16, 64)
211 return errors.New("#configuration.validateRicId - ricId is not hex number\n")
218 func (c *Configuration) String() string {
219 return fmt.Sprintf("{logging.logLevel: %s, http.port: %d, rmr: { port: %d, maxMsgSize: %d}, routingManager.baseUrl: %s, "+
220 "notificationResponseBuffer: %d, bigRedButtonTimeoutSec: %d, maxRnibConnectionAttempts: %d, "+
221 "rnibRetryIntervalMs: %d, keepAliveResponseTimeoutMs: %d, keepAliveDelayMs: %d, e2tInstanceDeletionTimeoutMs: %d, "+
222 "globalRicId: { ricId: %s, mcc: %s, mnc: %s}, StateChangeMessageChannel: %s",
227 c.RoutingManager.BaseUrl,
228 c.NotificationResponseBuffer,
229 c.BigRedButtonTimeoutSec,
230 c.MaxRnibConnectionAttempts,
231 c.RnibRetryIntervalMs,
232 c.KeepAliveResponseTimeoutMs,
234 c.E2TInstanceDeletionTimeoutMs,
238 c.StateChangeMessageChannel,