mirror of
https://github.com/open-telemetry/opentelemetry-go.git
synced 2024-12-14 10:13:10 +02:00
61 lines
2.0 KiB
Go
61 lines
2.0 KiB
Go
// Copyright The OpenTelemetry Authors
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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package metric_test
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import (
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"context"
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"log"
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"go.opentelemetry.io/otel/metric/global"
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"go.opentelemetry.io/otel/sdk/metric"
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"go.opentelemetry.io/otel/sdk/resource"
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semconv "go.opentelemetry.io/otel/semconv/v1.17.0"
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)
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func Example() {
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// This reader is used as a stand-in for a reader that will actually export
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// data. See exporters in the go.opentelemetry.io/otel/exporters package
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// for more information.
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reader := metric.NewManualReader()
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// See the go.opentelemetry.io/otel/sdk/resource package for more
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// information about how to create and use Resources.
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res := resource.NewWithAttributes(
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semconv.SchemaURL,
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semconv.ServiceNameKey.String("my-service"),
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semconv.ServiceVersionKey.String("v0.1.0"),
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)
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meterProvider := metric.NewMeterProvider(
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metric.WithResource(res),
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metric.WithReader(reader),
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)
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global.SetMeterProvider(meterProvider)
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defer func() {
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err := meterProvider.Shutdown(context.Background())
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if err != nil {
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log.Fatalln(err)
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}
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}()
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// The MeterProvider is configured and registered globally. You can now run
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// your code instrumented with the OpenTelemetry API that uses the global
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// MeterProvider without having to pass this MeterProvider instance. Or,
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// you can pass this instance directly to your instrumented code if it
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// accepts a MeterProvider instance.
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//
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// See the go.opentelemetry.io/otel/metric package for more information
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// about the metric API.
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}
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