Started work on new layered setup, making a huge mess.

internal/config/config.go

@@ -5,56 +5,82 @@ import (
 	"errors"
 	"log"
 	"os"
+	"strings"
 	"sync"
+
+	"gopkg.in/yaml.v2"
 )
 
 var globalMutex sync.Mutex
 var global *Config
 
-// Config is configuration
+// Config is configuration data
 type Config struct {
-	Space struct {
-		Enabled   bool   `json:"enabled"`
-		Host      string `json:"host"`
-		AccessKey string `json:"accessKey"`
-		SecretKey string `json:"secretKey"`
-		Bucket    string `json:"bucket"`
-		MaxSize   int64  `json:"maxSize"`
-		Root      string `json:"root"`
-	} `json:"space"`
+	Space    Space    `json:"space" yaml:"space"`
+	Database Database `json:"database" yaml:"database"`
+	Wiki     Wiki     `json:"wiki" yaml:"wiki"`
+}
 
-	Database struct {
-		Host      string `json:"host"`
-		Port      int    `json:"port"`
-		Db        string `json:"db"`
-		Username  string `json:"username"`
-		Password  string `json:"password"`
-		Mechanism string `json:"mechanism"`
-	} `json:"database"`
+// Space is configuration for spaces.
+type Space struct {
+	Enabled   bool   `json:"enabled" yaml:"enabled"`
+	Host      string `json:"host" yaml:"host"`
+	AccessKey string `json:"accessKey" yaml:"accessKey"`
+	SecretKey string `json:"secretKey" yaml:"secretKey"`
+	Bucket    string `json:"bucket" yaml:"bucket"`
+	MaxSize   int64  `json:"maxSize" yaml:"maxSize"`
+	Root      string `json:"root" yaml:"root"`
+}
 
-	Wiki struct {
-		URL string `json:"url"`
-	} `json:"wiki"`
+// Database is configuration for spaces.
+type Database struct {
+	Driver    string `json:"driver" yaml:"driver"`
+	Host      string `json:"host" yaml:"host"`
+	Port      int    `json:"port" yaml:"port"`
+	Db        string `json:"db" yaml:"db"`
+	Username  string `json:"username" yaml:"username"`
+	Password  string `json:"password" yaml:"password"`
+	Mechanism string `json:"mechanism" yaml:"mechanism"`
+}
+
+// Wiki is the wiki stuff.
+type Wiki struct {
+	URL string `json:"url" yaml:"url"`
 }
 
 // Load loads config stuff
 func (config *Config) Load(filename string) error {
+	log.Println("Trying to load config from " + filename)
+
+	stat, err := os.Stat(filename)
+	if err != nil {
+		return err
+	}
+
+	if stat.Size() < 1 {
+		return errors.New("File is empty")
+	}
+
 	file, err := os.Open(filename)
 	if err != nil {
 		return err
 	}
 
-	return json.NewDecoder(file).Decode(config)
+	if strings.HasSuffix(filename, ".json") {
+		return json.NewDecoder(file).Decode(config)
+	}
+
+	return yaml.NewDecoder(file).Decode(config)
 }
 
 // LoadAny loads the first of these files it can find
 func (config *Config) LoadAny(filenames ...string) error {
 	for _, filename := range filenames {
-		if err := config.Load(filename); err == nil {
-			return nil
+		if err := config.Load(filename); err != nil {
+			continue
 		}
 
-		*config = Config{}
+		return nil
 	}
 
 	return errors.New("Failed to load configuration files")
@@ -65,7 +91,7 @@ func Global() Config {
 	globalMutex.Lock()
 	if global == nil {
 		global = &Config{}
-		err := global.LoadAny("/etc/aiterp/rpdata.json", "./config.json")
+		err := global.LoadAny("/etc/aiterp/rpdata.yaml", "/etc/aiterp/rpdata.json", "./config.yaml", "./config.json")
 		if err != nil {
 			log.Fatalln(err)
 		}