remove init function\

remove global vars proxies, host

cmd/q3rcon-proxy/main.go

@@ -3,7 +3,7 @@ package main
 import (
 	"fmt"
 	"os"
-	"strconv"
+	"slices"
 	"strings"
 
 	log "github.com/sirupsen/logrus"
@@ -11,7 +11,33 @@ import (
 	"github.com/onyx-and-iris/q3rcon-proxy/pkg/udpproxy"
 )
 
-func start(proxy string) {
+func main() {
+	logLevel, err := getEnvInt("Q3RCON_LOGLEVEL")
+	if err != nil {
+		log.Fatalf("unable to parse Q3RCON_LEVEL: %s", err.Error())
+	}
+	if slices.Contains(log.AllLevels, log.Level(logLevel)) {
+		log.SetLevel(log.Level(logLevel))
+	}
+
+	proxies := os.Getenv("Q3RCON_PROXY")
+	if proxies == "" {
+		log.Fatal("env Q3RCON_PROXY required")
+	}
+
+	host := os.Getenv("Q3RCON_HOST")
+	if host == "" {
+		host = "0.0.0.0"
+	}
+
+	for _, proxy := range strings.Split(proxies, ";") {
+		go start(host, proxy)
+	}
+
+	<-make(chan int)
+}
+
+func start(host, proxy string) {
 	port, target := func() (string, string) {
 		x := strings.Split(proxy, ":")
 		return x[0], x[1]
@@ -26,51 +52,3 @@ func start(proxy string) {
 
 	log.Fatal(c.ListenAndServe())
 }
-
-var (
-	proxies, host string
-)
-
-func getenvInt(key string) (int, error) {
-	s := os.Getenv(key)
-	if s == "" {
-		return 0, nil
-	}
-	v, err := strconv.Atoi(s)
-	if err != nil {
-		return 0, err
-	}
-	return v, nil
-}
-
-func init() {
-	proxies = os.Getenv("Q3RCON_PROXY")
-	if proxies == "" {
-		log.Fatal("env Q3RCON_PROXY required")
-	}
-
-	host = os.Getenv("Q3RCON_HOST")
-	if host == "" {
-		host = "0.0.0.0"
-	}
-
-	debug, err := getenvInt("Q3RCON_DEBUG")
-	if err != nil {
-		log.Fatal(err)
-	}
-
-	if debug == 1 {
-		log.SetLevel(log.DebugLevel)
-	} else {
-		log.SetLevel(log.InfoLevel)
-	}
-
-}
-
-func main() {
-	for _, proxy := range strings.Split(proxies, ";") {
-		go start(proxy)
-	}
-
-	<-make(chan int)
-}

cmd/q3rcon-proxy/util.go

@@ -0,0 +1,18 @@
+package main
+
+import (
+	"os"
+	"strconv"
+)
+
+func getEnvInt(key string) (int, error) {
+	s := os.Getenv(key)
+	if s == "" {
+		return 0, nil
+	}
+	v, err := strconv.Atoi(s)
+	if err != nil {
+		return 0, err
+	}
+	return v, nil
+}