added flags

config/config.go

@@ -2,6 +2,7 @@ package config
 
 import (
 	"encoding/json"
+	"flag"
 	"io/ioutil"
 	"log"
 	"os"
@@ -47,6 +48,8 @@ func New() (*Config, error) {
 	jsonParser := json.NewDecoder(configFile)
 	jsonParser.Decode(&config)
 
+	config.overrideWithFlags()
+
 	return &config, nil
 }
 
@@ -75,3 +78,37 @@ func defaults() Config {
 		},
 	}
 }
+
+func (config *Config) overrideWithFlags() {
+	username := flag.String("ts3_name", "", "TS3Query username")
+	password := flag.String("ts3_pw", "", "TS3Query user password")
+	tsIP := flag.String("ts3_ip", "", "TS3 IP address")
+	tsPort := flag.Uint64("ts3_port", 65536, "TS3 port")
+	tsQuery := flag.Uint64("ts3_query", 65536, "TS3 query port")
+	webPort := flag.Uint64("web_port", 65536, "Webserver port")
+	flag.Parse()
+
+	if *username != "" {
+		config.User.Name = *username
+	}
+
+	if *password != "" {
+		config.User.Password = *password
+	}
+
+	if *tsIP != "" {
+		config.ServerTS.IP = *tsIP
+	}
+
+	if *tsPort <= 65535 {
+		config.ServerTS.PortServer = uint16(*tsPort)
+	}
+
+	if *tsQuery <= 65535 {
+		config.ServerTS.PortQuery = uint16(*tsQuery)
+	}
+
+	if *webPort <= 65535 {
+		config.ServerWeb.Port = uint16(*webPort)
+	}
+}