Init: bootstrap go module with basic framework

tracing/tracer.go

@@ -0,0 +1,34 @@
+package tracing
+
+import (
+	"github.com/spf13/viper"
+	"github.com/uptrace/opentelemetry-go-extra/otelzap"
+	"go.opentelemetry.io/otel"
+	"go.opentelemetry.io/otel/trace"
+	"go.uber.org/zap"
+)
+
+var (
+	Tracer trace.Tracer
+	Logger *otelzap.Logger
+
+	appname string = "amane"
+	version string = "2.0.0-alpha1"
+)
+
+func InitTracer() {
+	Tracer = otel.Tracer(appname)
+
+	var l *zap.Logger
+	var err error
+	if viper.GetBool("zap-develop") {
+		l, err = zap.NewDevelopment()
+	} else {
+		l, err = zap.NewProduction()
+	}
+	if err != nil {
+		panic(err)
+	}
+
+	Logger = otelzap.New(l)
+}