Restructure

app/common/logging.go

@@ -0,0 +1,64 @@
+package common
+
+import (
+	"encoding/json"
+	"fmt"
+	"io"
+	"os"
+
+	"github.com/sirupsen/logrus"
+)
+
+var Log = logrus.New()
+
+func Debug(message string) {
+	Log.Debug(message)
+}
+
+func Info(message string) {
+	Log.Info(message)
+}
+
+func Error(message string) {
+	Log.Error(message)
+}
+
+func Warn(message string) {
+	Log.Warn(message)
+}
+
+func InitLogging() {
+	logLevel, err := logrus.ParseLevel(Config.Application.LogLevel)
+	if err != nil {
+		panic(fmt.Sprintf("Invalid configured logLevel: %s\n", Config.Application.LogLevel))
+	}
+
+	Log.SetLevel(logLevel)
+
+	Log.SetFormatter(&logrus.TextFormatter{
+		FullTimestamp:   true,
+		TimestampFormat: "2006-01-02 15:04:05",
+		PadLevelText:    true,
+		DisableQuote:    true,
+	})
+
+	LogFile := Config.Application.LogFile
+	file, err := os.OpenFile(
+		LogFile,
+		os.O_CREATE|os.O_WRONLY|os.O_APPEND,
+		0655,
+	)
+	if err != nil {
+		msg := fmt.Sprintf("Failed to log to file %s: %s", Config.Application.LogFile, err)
+		Log.Warning(msg)
+		panic(msg)
+	}
+
+	mw := io.MultiWriter(os.Stdout, file)
+	Log.SetOutput(mw)
+
+	configJson, err := json.Marshal(Config)
+	if err == nil {
+		Info(fmt.Sprintf("Using config: %s", configJson))
+	}
+}