2018-06-18 05:44:25 -07:00

85 lines
2.5 KiB
Go

// Copyright (c) 2017 Uber Technologies, Inc.
//
// 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 config_test
import (
"log"
"github.com/uber/jaeger-lib/metrics"
"github.com/uber/jaeger-client-go"
jaegercfg "github.com/uber/jaeger-client-go/config"
jaegerlog "github.com/uber/jaeger-client-go/log"
)
func ExampleConfiguration_InitGlobalTracer_testing() {
// Sample configuration for testing. Use constant sampling to sample every trace
// and enable LogSpan to log every span via configured Logger.
cfg := jaegercfg.Configuration{
Sampler: &jaegercfg.SamplerConfig{
Type: jaeger.SamplerTypeConst,
Param: 1,
},
Reporter: &jaegercfg.ReporterConfig{
LogSpans: true,
},
}
// Example logger and metrics factory. Use github.com/uber/jaeger-client-go/log
// and github.com/uber/jaeger-lib/metrics respectively to bind to real logging and metrics
// frameworks.
jLogger := jaegerlog.StdLogger
jMetricsFactory := metrics.NullFactory
// Initialize tracer with a logger and a metrics factory
closer, err := cfg.InitGlobalTracer(
"serviceName",
jaegercfg.Logger(jLogger),
jaegercfg.Metrics(jMetricsFactory),
)
if err != nil {
log.Printf("Could not initialize jaeger tracer: %s", err.Error())
return
}
defer closer.Close()
// continue main()
}
func ExampleConfiguration_InitGlobalTracer_production() {
// Recommended configuration for production.
cfg := jaegercfg.Configuration{}
// Example logger and metrics factory. Use github.com/uber/jaeger-client-go/log
// and github.com/uber/jaeger-lib/metrics respectively to bind to real logging and metrics
// frameworks.
jLogger := jaegerlog.StdLogger
jMetricsFactory := metrics.NullFactory
// Initialize tracer with a logger and a metrics factory
closer, err := cfg.InitGlobalTracer(
"serviceName",
jaegercfg.Logger(jLogger),
jaegercfg.Metrics(jMetricsFactory),
)
if err != nil {
log.Printf("Could not initialize jaeger tracer: %s", err.Error())
return
}
defer closer.Close()
// continue main()
}