I'm stuck

source/config.go

@@ -1,14 +1,24 @@
 package main
 
 import (
+	"fmt"
 	"log"
 
 	"github.com/spf13/viper"
 )
 
-func readConfig() {
-	viper.SetConfigName("openpdu.yaml") // name of config file (without extension)
-	viper.SetConfigType("yaml")
+// Config definition
+type Config struct {
+	hostname string   `mapstructure:"hostname"`
+	boards   []*Board `flow,mapstructure:"boards"`
+}
+
+// Configuration container
+var Configuration Config
+
+func init() {
+	viper.SetConfigName("openpdu")       // name of config file (without extension)
+	viper.SetConfigType("yaml")          // type of config file
 	viper.AddConfigPath("/etc/openpdu/") // path to look for the config file in
 	viper.AddConfigPath(".")             // optionally look for config in the working directory
 	err := viper.ReadInConfig()          // Find and read the config file
@@ -16,5 +26,53 @@ func readConfig() {
 		log.Printf("Fatal error config file: %s \n", err)
 	}
 
-	viper.SetDefault("hostname", "openpdu")
+	viper.SetDefault("hostname", "openpdu1")
+	br := viper.Get("boards").([]interface{})
+	for k, v := range br {
+		log.Printf("Key: %v", k)
+		log.Printf(" Value: %v", v)
+		var ba Board
+		viper.UnmarshalKey("boards."+string(k), ba)
+		log.Printf(" Valueid: %v", ba.ID)
+	}
+
+	log.Printf("basdo: %v", viper.Get("boards[0]"))
+	log.Printf("todo: %v", viper.AllSettings())
+
+	Configuration := Config{}
+	err = viper.Unmarshal(&Configuration)
+	if err != nil {
+		fmt.Printf("unable to decode into config struct, %v", err)
+	}
+
+	viper.WriteConfigAs("openpdu_out.yaml")
+
+	log.Printf("All settings - hostname: %v \n", Configuration.hostname)
+	for idx, b := range Configuration.boards {
+		log.Printf("b %v: %v (%v)", idx, b.Name, b.Type)
+
+	}
+	// var b []Board
+	// var brd Board
+	// b = viper.Get("boards").([]Board)
+	// for brd := range viper.Get("boards") {
+	// 	log.Printf("brd: %v", brd)
+	// }
+	// log.Printf("bo: %v", viper.Get("boards"))
+	// log.Printf("bo: %v", b)
+	log.Printf("cfg: %v", Configuration)
+	log.Printf("cfgb: %v", Configuration.boards)
+}
+
+func writeConfig() {
+	viper.SetConfigName("openpdu") // name of config file (without extension)
+	viper.SetConfigType("yaml")
+	viper.AddConfigPath("/etc/openpdu/") // path to look for the config file in
+	viper.SetDefault("hostname", "openpdu")
+	err := viper.WriteConfig()
+	if err != nil { // Handle errors reading the config file
+		log.Printf("Fatato error config file: %s \n", err)
+	}
+	log.Printf("ok credo \n")
+
 }