Add API for sending the config struct

generate/param_generator.go

@@ -140,11 +140,10 @@ func GenParamStruct() {
 	// Same file-reading logic as GenParamEnum
 	filename, _ := filepath.Abs("../docs/parameters.yaml")
 	yamlFile, err := os.Open(filename)
-	defer yamlFile.Close()
-
 	if err != nil {
 		panic(err)
 	}
+	defer yamlFile.Close()
 
 	decoder := yaml.NewDecoder(yamlFile)
 

origin_ui/origin.go

@@ -359,6 +359,16 @@ func resetLoginHandler(ctx *gin.Context) {
 	}
 }
 
+func getConfig(ctx *gin.Context) {
+	config, err := param.GetUnmarshaledConfig()
+	if err != nil {
+		ctx.JSON(500, gin.H{"error": "Failed to get the unmarshaled config"})
+		return
+	}
+
+	ctx.JSON(200, config)
+}
+
 func ConfigureOriginUI(router *gin.Engine) error {
 	if router == nil {
 		return errors.New("Origin configuration passed a nil pointer")
@@ -389,6 +399,10 @@ func ConfigureOriginUI(router *gin.Engine) error {
 		}
 	})
 
+	// Register using router now. Can be converted to a group when more routes
+	// are added
+	router.GET("/api/v1.0/config", authHandler, getConfig)
+
 	router.GET("/view/*path", func(ctx *gin.Context) {
 		path := ctx.Param("path")
 

param/param.go

@@ -9,12 +9,13 @@ import (
 //go:generate go run ../generate/param_generator.go
 
 var (
-	viperConfig config
+	viperConfig *config
 )
 
 // Unmarshal Viper config into a struct viperConfig
 func UnmarshalConfig() error {
-	err := viper.Unmarshal(&viperConfig)
+	viperConfig = new(config)
+	err := viper.Unmarshal(viperConfig)
 	if err != nil {
 		return err
 	}
@@ -24,8 +25,8 @@ func UnmarshalConfig() error {
 
 // Return the unmarshaled viper config struct as a pointer
 func GetUnmarshaledConfig() (*config, error) {
-	if &viperConfig == nil {
+	if viperConfig == nil {
 		return nil, errors.New("Config hasn't been unmarshaled yet.")
 	}
-	return &viperConfig, nil
+	return viperConfig, nil
 }