66 lines
1.7 KiB
Go
66 lines
1.7 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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//go:build go1.18
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// +build go1.18
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package main
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import (
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"context"
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"log"
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"os"
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"os/signal"
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"time"
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"go.opentelemetry.io/contrib/instrumentation/host"
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"go.opentelemetry.io/otel/exporters/stdout/stdoutmetric"
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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/v1.11.0"
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)
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var res = resource.NewWithAttributes(
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semconv.SchemaURL,
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semconv.ServiceNameKey.String("host-instrumentation-example"),
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)
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func main() {
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exp, err := stdoutmetric.New()
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if err != nil {
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log.Fatal(err)
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}
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// Register the exporter with an SDK via a periodic reader.
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read := metric.NewPeriodicReader(exp, metric.WithInterval(1*time.Second))
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provider := metric.NewMeterProvider(metric.WithResource(res), metric.WithReader(read))
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defer func() {
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err := provider.Shutdown(context.Background())
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if err != nil {
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log.Fatal(err)
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}
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}()
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ctx, cancel := signal.NotifyContext(context.Background(), os.Interrupt)
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defer cancel()
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log.Print("Starting host instrumentation:")
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err = host.Start(host.WithMeterProvider(provider))
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if err != nil {
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log.Fatal(err)
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}
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<-ctx.Done()
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}
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