feat: simplify logging configuration

controlplane/cmd/main.go

@@ -1,35 +1,11 @@
 package main
 
 import (
-	"log/slog"
-	"os"
-
 	"github.com/controlplaneio/simulator/controlplane/cli"
-)
-
-const (
-	LogLevel = "LOG_LEVEL"
+	"github.com/controlplaneio/simulator/logging"
 )
 
 func main() {
-	level, ok := os.LookupEnv(LogLevel)
-	if !ok {
-		level = "info"
-	}
-
-	var sLevel slog.Level
-
-	switch level {
-	case "debug":
-		sLevel = slog.LevelDebug
-	case "info":
-		sLevel = slog.LevelInfo
-	}
-
-	logger := slog.New(slog.NewJSONHandler(os.Stdout, &slog.HandlerOptions{
-		Level: sLevel,
-	}))
-	slog.SetDefault(logger)
-
+	logging.Configure()
 	cli.Execute()
 }

internal/cmd/main.go

@@ -2,8 +2,10 @@ package main
 
 import (
 	"github.com/controlplaneio/simulator/internal/cli"
+	"github.com/controlplaneio/simulator/logging"
 )
 
 func main() {
+	logging.Configure()
 	cli.Execute()
 }

logging/factory.go

@@ -0,0 +1,16 @@
+package logging
+
+import (
+	"log/slog"
+	"os"
+)
+
+func Configure() {
+	handlerOptions := &slog.HandlerOptions{
+		AddSource: true,
+		Level:     slog.LevelError,
+	}
+
+	logger := slog.New(slog.NewJSONHandler(os.Stdout, handlerOptions))
+	slog.SetDefault(logger)
+}