mirror of
https://github.com/open-telemetry/opentelemetry-go.git
synced 2024-12-18 16:47:18 +02:00
80 lines
2.6 KiB
Go
80 lines
2.6 KiB
Go
// 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.
|
|
|
|
// Example from otlp package: https://pkg.go.dev/go.opentelemetry.io/otel/exporters/otlp?tab=doc#example-package-Insecure
|
|
package main
|
|
|
|
import (
|
|
"context"
|
|
"fmt"
|
|
"log"
|
|
"time"
|
|
|
|
"google.golang.org/grpc"
|
|
|
|
"go.opentelemetry.io/otel/api/kv"
|
|
"go.opentelemetry.io/otel/exporters/otlp"
|
|
sdktrace "go.opentelemetry.io/otel/sdk/trace"
|
|
|
|
"github.com/open-telemetry/opentelemetry-collector/translator/conventions"
|
|
)
|
|
|
|
func main() {
|
|
// If the OpenTelemetry Collector is running on a local cluster (minikube or microk8s),
|
|
// it should be accessible through the NodePort service at the `localhost:30080` address.
|
|
// Otherwise, replace `localhost` with the address of your cluster.
|
|
// If you run the app inside k8s, then you can probably connect directly to the service through dns
|
|
exp, err := otlp.NewExporter(otlp.WithInsecure(),
|
|
otlp.WithAddress("localhost:30080"),
|
|
otlp.WithGRPCDialOption(grpc.WithBlock()))
|
|
if err != nil {
|
|
log.Fatalf("Failed to create the collector exporter: %v", err)
|
|
}
|
|
defer func() {
|
|
err := exp.Stop()
|
|
if err != nil {
|
|
log.Fatalf("Failed to stop the exporter: %v", err)
|
|
}
|
|
}()
|
|
|
|
tp, err := sdktrace.NewProvider(
|
|
sdktrace.WithConfig(sdktrace.Config{DefaultSampler: sdktrace.AlwaysSample()}),
|
|
sdktrace.WithResourceAttributes(
|
|
// the service name used to display traces in Jaeger
|
|
kv.Key(conventions.AttributeServiceName).String("test-service"),
|
|
),
|
|
sdktrace.WithBatcher(exp, // add following two options to ensure flush
|
|
sdktrace.WithScheduleDelayMillis(5),
|
|
sdktrace.WithMaxExportBatchSize(2),
|
|
))
|
|
if err != nil {
|
|
log.Fatalf("error creating trace provider: %v\n", err)
|
|
}
|
|
|
|
tracer := tp.Tracer("test-tracer")
|
|
|
|
// Then use the OpenTelemetry tracing library, like we normally would.
|
|
ctx, span := tracer.Start(context.Background(), "CollectorExporter-Example")
|
|
|
|
for i := 0; i < 10; i++ {
|
|
_, iSpan := tracer.Start(ctx, fmt.Sprintf("Sample-%d", i))
|
|
<-time.After(time.Second)
|
|
iSpan.End()
|
|
}
|
|
|
|
span.End()
|
|
// Wait 1 second before ending
|
|
<-time.After(time.Second)
|
|
}
|