log stuff added

logger.go

@@ -0,0 +1,41 @@
+package oclib
+
+import (
+	"oc-lib/logs"
+	"os"
+	"runtime"
+	"time"
+
+	"github.com/rs/zerolog"
+)
+
+var logger zerolog.Logger
+
+// CreateLogger
+// Create a new logger
+// Parameters:
+// - appname: string : the name of the application using oclib
+// - url: string : the url of a loki logger, console log only if ""
+// Returns:
+// - zerolog.Logger : the logger that will log for the library and the app
+func CreateLogger(appname string, url string) zerolog.Logger {
+
+	if url != "" {
+		labels := map[string]string{
+			"app":      "app",
+			"code":     "go",
+			"platform": runtime.GOOS,
+		}
+
+		lokiWriter := logs.NewLokiWriter(url, labels)
+
+		consoleWriter := zerolog.ConsoleWriter{Out: os.Stdout, TimeFormat: time.RFC3339}
+
+		multiWriter := zerolog.MultiLevelWriter(consoleWriter, lokiWriter)
+
+		logger = zerolog.New(multiWriter).With().Timestamp().Logger()
+	} else {
+		logger = zerolog.New(os.Stdout).With().Timestamp().Logger()
+	}
+	return logger
+}