export self-observability metrics during the integration test

exporter/collector/integrationtest/integration_selfobs_test.go

@@ -0,0 +1,61 @@
+// Copyright 2024 Google LLC
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//      https://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+//go:build integrationtest
+// +build integrationtest
+
+package integrationtest
+
+import (
+	"context"
+	"log"
+	"os"
+	"testing"
+
+	"github.com/google/uuid"
+	"go.opentelemetry.io/otel"
+	sdkmetric "go.opentelemetry.io/otel/sdk/metric"
+	"go.opentelemetry.io/otel/sdk/resource"
+	semconv "go.opentelemetry.io/otel/semconv/v1.24.0"
+
+	mexporter "github.com/GoogleCloudPlatform/opentelemetry-operations-go/exporter/metric"
+)
+
+func TestMain(m *testing.M) {
+	ctx := context.Background()
+	exporter, err := mexporter.New(mexporter.WithProjectID(os.Getenv("PROJECT_ID")))
+	if err != nil {
+		log.Fatalf("Failed to create self-obs exporter: %v", err)
+	}
+	version4Uuid, err := uuid.NewRandom()
+	if err != nil {
+		log.Fatalf("Failed to create uuid for resource: %v", err)
+	}
+	res, err := resource.New(
+		ctx,
+		resource.WithTelemetrySDK(),
+		resource.WithFromEnv(),
+		resource.WithAttributes(
+			semconv.ServiceNameKey.String("integrationtest"),
+			semconv.ServiceInstanceIDKey.String(version4Uuid.String()),
+		),
+	)
+	mp := sdkmetric.NewMeterProvider(
+		sdkmetric.WithResource(res),
+		sdkmetric.WithReader(sdkmetric.NewPeriodicReader(exporter)),
+	)
+	defer mp.Shutdown(ctx)
+	otel.SetMeterProvider(mp)
+	m.Run()
+}

exporter/collector/integrationtest/logs_integration_test.go

@@ -28,7 +28,7 @@ import (
 	"github.com/stretchr/testify/require"
 	"go.opentelemetry.io/collector/component/componenttest"
 	"go.opentelemetry.io/collector/pdata/plog"
-	"go.opentelemetry.io/otel/metric/noop"
+	"go.opentelemetry.io/otel"
 	"go.uber.org/zap"
 
 	"github.com/GoogleCloudPlatform/opentelemetry-operations-go/exporter/collector"
@@ -49,7 +49,7 @@ func createLogsExporter(
 		ctx,
 		cfg,
 		logger,
-		noop.NewMeterProvider(),
+		otel.GetMeterProvider(),
 		"latest",
 		duration,
 	)

exporter/collector/integrationtest/metrics_integration_test.go

@@ -28,7 +28,7 @@ import (
 	"github.com/stretchr/testify/require"
 	"go.opentelemetry.io/collector/component/componenttest"
 	"go.opentelemetry.io/collector/pdata/pmetric"
-	"go.opentelemetry.io/otel/metric/noop"
+	"go.opentelemetry.io/otel"
 	"go.uber.org/zap"
 
 	"github.com/GoogleCloudPlatform/opentelemetry-operations-go/exporter/collector"
@@ -48,7 +48,7 @@ func createMetricsExporter(
 		ctx,
 		cfg,
 		logger,
-		noop.NewMeterProvider(),
+		otel.GetMeterProvider(),
 		"latest",
 		collector.DefaultTimeout,
 	)

exporter/collector/integrationtest/traces_integration_test.go

@@ -27,7 +27,7 @@ import (
 	"github.com/GoogleCloudPlatform/opentelemetry-operations-go/exporter/collector/integrationtest/testcases"
 	"github.com/stretchr/testify/require"
 	"go.opentelemetry.io/collector/component/componenttest"
-	"go.opentelemetry.io/otel/metric/noop"
+	"go.opentelemetry.io/otel"
 	"go.uber.org/zap"
 )
 
@@ -43,7 +43,7 @@ func createTracesExporter(
 		ctx,
 		cfg,
 		logger,
-		noop.NewMeterProvider(),
+		otel.GetMeterProvider(),
 		"latest",
 		collector.DefaultTimeout,
 	)