add config env variables.

internal/config/config.go

@@ -5,6 +5,7 @@ import (
 	"errors"
 	"log"
 	"os"
+	"strconv"
 	"strings"
 	"sync"
 
@@ -51,6 +52,27 @@ type Wiki struct {
 	URL string `json:"url" yaml:"url"`
 }
 
+func (config *Config) LoadEnv() {
+	config.Wiki.URL = os.Getenv("RPDATA_WIKI_URL")
+	config.Space.Enabled = os.Getenv("RPDATA_SPACE_ENABLED") == "true"
+	config.Space.Host = os.Getenv("RPDATA_SPACE_HOST")
+	config.Space.AccessKey = os.Getenv("RPDATA_SPACE_ACCESS_KEY")
+	config.Space.SecretKey = os.Getenv("RPDATA_SPACE_SECRET_KEY")
+	config.Space.Bucket = os.Getenv("RPDATA_SPACE_BUCKET")
+	config.Space.MaxSize, _ = strconv.ParseInt(os.Getenv("RPDATA_SPACE_MAX_SIZE"), 10, 64)
+	config.Space.Root = os.Getenv("RPDATA_SPACE_ROOT")
+	config.Space.URLRoot = os.Getenv("RPDATA_SPACE_URL_ROOT")
+	config.Database.Driver = os.Getenv("RPDATA_DATABASE_DRIVER")
+	config.Database.Host = os.Getenv("RPDATA_DATABASE_HOST")
+	config.Database.Port, _ = strconv.Atoi(os.Getenv("RPDATA_DATABASE_PORT"))
+	config.Database.Db = os.Getenv("RPDATA_DATABASE_DB")
+	config.Database.Username = os.Getenv("RPDATA_DATABASE_USERNAME")
+	config.Database.Password = os.Getenv("RPDATA_DATABASE_PASSWORD")
+	config.Database.Mechanism = os.Getenv("RPDATA_DATABASE_MECHANISM")
+	config.Database.RestoreIDs = os.Getenv("RPDATA_DATABASE_RESTORE_IDS") == "true"
+	config.Database.SSL = os.Getenv("RPDATA_DATABASE_SSL") == "true"
+}
+
 // Load loads config stuff
 func (config *Config) Load(filename string) error {
 	log.Println("Trying to load config from " + filename)
@@ -94,9 +116,10 @@ func Global() Config {
 	globalMutex.Lock()
 	if global == nil {
 		global = &Config{}
+		global.LoadEnv()
 		err := global.LoadAny("/etc/aiterp/rpdata.yaml", "/etc/aiterp/rpdata.json", "./config.yaml", "./config.json")
 		if err != nil {
-			log.Fatalln(err)
+			log.Println("No config files were loaded.")
 		}
 	}
 	globalMutex.Unlock()