// Copyright The OpenTelemetry Authors
//
// 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
//
//     http://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.

package otlpmetricgrpc_test

import (
	"context"

	"go.opentelemetry.io/otel"
	"go.opentelemetry.io/otel/exporters/otlp/otlpmetric/otlpmetricgrpc"
	"go.opentelemetry.io/otel/sdk/metric"
)

func Example() {
	ctx := context.Background()
	exp, err := otlpmetricgrpc.New(ctx)
	if err != nil {
		panic(err)
	}

	meterProvider := metric.NewMeterProvider(metric.WithReader(metric.NewPeriodicReader(exp)))
	defer func() {
		if err := meterProvider.Shutdown(ctx); err != nil {
			panic(err)
		}
	}()
	otel.SetMeterProvider(meterProvider)

	// From here, the meterProvider can be used by instrumentation to collect
	// telemetry.
}