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- // Copyright 2017, OpenCensus 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.
-
- // Command jaeger is an example program that creates spans
- // and uploads to Jaeger.
- package main
-
- import (
- "context"
- "log"
-
- "go.opencensus.io/exporter/jaeger"
- "go.opencensus.io/trace"
- )
-
- func main() {
- ctx := context.Background()
-
- // Register the Jaeger exporter to be able to retrieve
- // the collected spans.
- exporter, err := jaeger.NewExporter(jaeger.Options{
- Endpoint: "http://localhost:14268",
- Process: jaeger.Process{
- ServiceName: "trace-demo",
- },
- })
- if err != nil {
- log.Fatal(err)
- }
- trace.RegisterExporter(exporter)
-
- // For demoing purposes, always sample. In a production application, you should
- // configure this to a trace.ProbabilitySampler set at the desired
- // probability.
- trace.ApplyConfig(trace.Config{DefaultSampler: trace.AlwaysSample()})
-
- ctx, span := trace.StartSpan(ctx, "/foo")
- bar(ctx)
- span.End()
-
- exporter.Flush()
- }
-
- func bar(ctx context.Context) {
- ctx, span := trace.StartSpan(ctx, "/bar")
- defer span.End()
-
- // Do bar...
- }
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