read config from file

config.go

@@ -7,22 +7,22 @@ import (
 )
 
 type Config struct {
-	MirrorRoot string
-	MirrorURL  string
-	Port       string
-	Auth       AuthConfig
+	CacheRoot string     `toml:"cache_root"`
+	MirrorURL string     `toml:"mirror_url"`
+	Port      string     `toml:"port"`
+	Auth      AuthConfig `toml:"auth"`
 }
 
 type AuthConfig struct {
-	Token string
+	Token string `toml:"token"`
 }
 
 func NewConfig() *Config {
 	return &Config{
-		MirrorRoot: "/home/ewpt3ch/dev/pacman-cache-server/tmprepo",
-		MirrorURL:  "https://us.mirrors.cicku.me/archlinux/",
-		Port:       "8090",
-		Auth:       AuthConfig{Token: "FakeToken"},
+		CacheRoot: "/home/ewpt3ch/dev/pacman-cache-server/tmprepo",
+		MirrorURL: "https://us.mirrors.cicku.me/archlinux/",
+		Port:      "8090",
+		Auth:      AuthConfig{Token: "FakeToken"},
 	}
 }
 
@@ -31,7 +31,7 @@ func ReadConfig(path string) (*Config, error) {
 	var cfg Config
 	_, err := toml.DecodeFile(path, &cfg)
 	if err != nil {
-		return nil, fmt.Errorf("Error loading config from %s: %w", path, err)
+		return nil, fmt.Errorf("error loading config from %s: %w", path, err)
 	}
 
 	if err = cfg.validate(); err != nil {
@@ -42,7 +42,7 @@ func ReadConfig(path string) (*Config, error) {
 }
 
 func (c *Config) validate() error {
-	if c.MirrorRoot == "" {
+	if c.CacheRoot == "" {
 		return fmt.Errorf("cache root is required")
 	}
 	if c.MirrorURL == "" {
@@ -51,5 +51,8 @@ func (c *Config) validate() error {
 	if c.Port == "" {
 		c.Port = "8090"
 	}
+	if c.Auth.Token == "" {
+		return fmt.Errorf("auth token is required")
+	}
 	return nil
 }