fix(observabillity): include otel logs

internal/otel.go

@@ -6,12 +6,12 @@ import (
 	"time"
 
 	"go.opentelemetry.io/otel"
+	"go.opentelemetry.io/otel/exporters/otlp/otlplog/otlploggrpc"
 	"go.opentelemetry.io/otel/exporters/otlp/otlpmetric/otlpmetricgrpc"
-	// "go.opentelemetry.io/otel/exporters/stdout/stdoutlog".
 	"go.opentelemetry.io/otel/exporters/otlp/otlptrace/otlptracegrpc"
-	// "go.opentelemetry.io/otel/log/global".
+	"go.opentelemetry.io/otel/log/global"
 	"go.opentelemetry.io/otel/propagation"
-	// "go.opentelemetry.io/otel/sdk/log".
+	"go.opentelemetry.io/otel/sdk/log"
 	"go.opentelemetry.io/otel/sdk/metric"
 	"go.opentelemetry.io/otel/sdk/trace"
 )
@@ -66,13 +66,13 @@ func setupOTelSDK(ctx context.Context) (func(context.Context) error, error) {
 	otel.SetMeterProvider(meterProvider)
 
 	// Set up logger provider.
-	// loggerProvider, err := newLoggerProvider()
-	// if err != nil {
-	// 	handleErr(err)
-	// 	return
-	// }
-	// shutdownFuncs = append(shutdownFuncs, loggerProvider.Shutdown)
-	// global.SetLoggerProvider(loggerProvider)
+	loggerProvider, err := newLoggerProvider(ctx)
+	if err != nil {
+		handleErr(ctx, err)
+		return nil, err
+	}
+	shutdownFuncs = append(shutdownFuncs, loggerProvider.Shutdown)
+	global.SetLoggerProvider(loggerProvider)
 
 	return shutdown, nil
 }
@@ -110,14 +110,17 @@ func newMeterProvider(ctx context.Context) (*metric.MeterProvider, error) {
 				exp, metric.WithInterval(15*time.Second)))), nil
 }
 
-// func newLoggerProvider() (*log.LoggerProvider, error) {
-// 	logExporter, err := stdoutlog.New()
-// 	if err != nil {
-// 		return nil, err
-// 	}
-//
-// 	loggerProvider := log.NewLoggerProvider(
-// 		log.WithProcessor(log.NewBatchProcessor(logExporter)),
-// 	)
-// 	return loggerProvider, nil
-// }
+func newLoggerProvider(ctx context.Context) (*log.LoggerProvider, error) {
+	logExporter, err := otlploggrpc.New(
+		ctx,
+		otlploggrpc.WithInsecure(),
+		otlploggrpc.WithEndpoint(otelEndpoint))
+	if err != nil {
+		return nil, err
+	}
+
+	loggerProvider := log.NewLoggerProvider(
+		log.WithProcessor(log.NewBatchProcessor(logExporter)),
+	)
+	return loggerProvider, nil
+}