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client.go
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client.go
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// 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 main
const (
service = "http-tracer-client"
environment = "development" // "production" "development"
)
func main() {
//var traceServer *tracer.Server
//tp, err := tracer.NewTracerProvider(service, "127.0.0.1", environment, 6831, nil)
//if err == nil {
// jaeger := tracer.Jaeger{}
// traceServer = tracer.New(tracer.WithName(service), tracer.WithProvider(tp), tracer.WithPropagators(jaeger))
//
// defer func() {
// tp.Shutdown(context.Background())
// }()
//}
//
//url := flag.String("server", "http://localhost:7777/hello", "server url")
//flag.Parse()
//
//client := http.Client{Transport: otel_http.NewTransport(http.DefaultTransport)}
//
//bag, _ := baggage.Parse("username=donuts")
//ctx := baggage.ContextWithBaggage(context.Background(), bag)
//
//var body []byte
//
//tr := traceServer.Tracer
//err = func(ctx context.Context) error {
// ctx, span := tr.Start(ctx, "say hello", trace.WithAttributes(semconv.PeerServiceKey.String("ExampleService")))
// defer span.End()
//
// req, _ := http.NewRequestWithContext(ctx, "GET", *url, nil)
// traceServer.Propagators.Inject(ctx, propagation.HeaderCarrier(req.Header))
// fmt.Printf("Sending request...\n")
// res, err := client.Do(req)
// if err != nil {
// panic(err)
// }
// body, err = ioutil.ReadAll(res.Body)
// _ = res.Body.Close()
//
// return err
//}(ctx)
//
//if err != nil {
// panic(err)
//}
//
//fmt.Printf("Response Received: %s\n\n\n", body)
//fmt.Printf("Waiting for few seconds to export spans ...\n\n")
//time.Sleep(10 * time.Second)
//fmt.Printf("Inspect traces on stdout\n")
}