X-Git-Url: https://gerrit.o-ran-sc.org/r/gitweb?a=blobdiff_plain;f=auth-token-fetch%2Fconfig.go;fp=auth-token-fetch%2Fconfig.go;h=18d610d5c17f179080b789a91fed72d3fe2dd4d4;hb=07b21181487addeb0d89ddc063a89dbc0981d1b5;hp=0000000000000000000000000000000000000000;hpb=0a882454d203e62e18f55ed1d3d5b3790801169b;p=nonrtric.git

diff --git a/auth-token-fetch/config.go b/auth-token-fetch/config.go
new file mode 100644
index 00000000..18d610d5
--- /dev/null
+++ b/auth-token-fetch/config.go
@@ -0,0 +1,100 @@
+// -
+//   ========================LICENSE_START=================================
+//   O-RAN-SC
+//   %%
+//   Copyright (C) 2022: Nordix Foundation
+//   %%
+//   Licensed under the Apache License, Version 2.0 (the "License");
+//   you may not use this file except in compliance with the License.
+//   You may obtain a copy of the License at
+//
+//        http://www.apache.org/licenses/LICENSE-2.0
+//
+//   Unless required by applicable law or agreed to in writing, software
+//   distributed under the License is distributed on an "AS IS" BASIS,
+//   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+//   See the License for the specific language governing permissions and
+//   limitations under the License.
+//   ========================LICENSE_END===================================
+//
+
+package main
+
+import (
+	"os"
+
+	"strconv"
+
+	"fmt"
+
+	log "github.com/sirupsen/logrus"
+)
+
+type Config struct {
+	LogLevel                log.Level
+	CertPath                string
+	KeyPath                 string
+	AuthServiceUrl          string
+	GrantType               string
+	ClientSecret            string
+	ClientId                string
+	AuthTokenOutputFileName string
+	RefreshMarginSeconds    int
+}
+
+func NewConfig() *Config {
+	return &Config{
+		CertPath:                getEnv("CERT_PATH", "security/tls.crt"),
+		KeyPath:                 getEnv("CERT_KEY_PATH", "security/tls.key"),
+		LogLevel:                getLogLevel(),
+		GrantType:               getEnv("CREDS_GRANT_TYPE", ""),
+		ClientSecret:            getEnv("CREDS_CLIENT_SECRET", ""),
+		ClientId:                getEnv("CREDS_CLIENT_ID", ""),
+		AuthTokenOutputFileName: getEnv("OUTPUT_FILE", "/tmp/authToken.txt"),
+		AuthServiceUrl:          getEnv("AUTH_SERVICE_URL", "https://localhost:39687/example-singlelogin-sever/login"),
+		RefreshMarginSeconds:    getEnvAsInt("REFRESH_MARGIN_SECONDS", 5, 1, 3600),
+	}
+}
+
+func validateConfiguration(configuration *Config) error {
+	if configuration.CertPath == "" || configuration.KeyPath == "" {
+		return fmt.Errorf("missing CERT_PATH and/or CERT_KEY_PATH")
+	}
+
+	return nil
+}
+
+func getEnv(key string, defaultVal string) string {
+	if value, exists := os.LookupEnv(key); exists {
+		log.Debugf("Using value: '%v' for '%v'", value, key)
+		return value
+	} else {
+		log.Debugf("Using default value: '%v' for '%v'", defaultVal, key)
+		return defaultVal
+	}
+}
+
+func getEnvAsInt(name string, defaultVal int, min int, max int) int {
+	valueStr := getEnv(name, "")
+	if value, err := strconv.Atoi(valueStr); err == nil {
+		if value < min || value > max {
+			log.Warnf("Value out of range: '%v' for variable: '%v'. Default value: '%v' will be used", valueStr, name, defaultVal)
+			return defaultVal
+		}
+		return value
+	} else if valueStr != "" {
+		log.Warnf("Invalid int value: '%v' for variable: '%v'. Default value: '%v' will be used", valueStr, name, defaultVal)
+	}
+	return defaultVal
+
+}
+
+func getLogLevel() log.Level {
+	logLevelStr := getEnv("LOG_LEVEL", "Info")
+	if loglevel, err := log.ParseLevel(logLevelStr); err == nil {
+		return loglevel
+	} else {
+		log.Warnf("Invalid log level: %v. Log level will be Info!", logLevelStr)
+		return log.InfoLevel
+	}
+}