avoid confusion with IPv6 addresses in logging cfg.AllowFrom

Author: wollomatic

cmd/socket-proxy/main.go

@@ -12,6 +12,7 @@ import (
 	"os"
 	"os/signal"
 	"runtime"
+	"strings"
 	"syscall"
 	"time"
 
@@ -58,7 +59,9 @@ func main() {
 	// print configuration
 	slog.Info("starting socket-proxy", "version", version, "os", runtime.GOOS, "arch", runtime.GOARCH, "runtime", runtime.Version(), "URL", programURL)
 	if cfg.ProxySocketEndpoint == "" {
-		slog.Info("configuration info", "socketpath", cfg.SocketPath, "listenaddress", cfg.ListenAddress, "loglevel", cfg.LogLevel, "logjson", cfg.LogJSON, "allowfrom", cfg.AllowFrom, "shutdowngracetime", cfg.ShutdownGraceTime)
+		// join the cfg.AllowFrom slice to a string to avoid the brackets in the logging (avoid confusion with IPv6 addresses)
+		allowFromString := strings.Join(cfg.AllowFrom, ",")
+		slog.Info("configuration info", "socketpath", cfg.SocketPath, "listenaddress", cfg.ListenAddress, "loglevel", cfg.LogLevel, "logjson", cfg.LogJSON, "allowfrom", allowFromString, "shutdowngracetime", cfg.ShutdownGraceTime)
 	} else {
 		slog.Info("configuration info", "socketpath", cfg.SocketPath, "proxysocketendpoint", cfg.ProxySocketEndpoint, "proxysocketendpointfilemode", cfg.ProxySocketEndpointFileMode, "loglevel", cfg.LogLevel, "logjson", cfg.LogJSON, "shutdowngracetime", cfg.ShutdownGraceTime)
 		slog.Info("proxysocketendpoint is set, so the TCP listener is deactivated")