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package tracing
import (
"fmt"
"io"
opentracing "github.com/opentracing/opentracing-go"
jaeger "github.com/uber/jaeger-client-go"
config "github.com/uber/jaeger-client-go/config"
)
// Init returns an instance of Jaeger Tracer that samples 100% of traces and logs all spans to stdout.
func Init(service string) (opentracing.Tracer, io.Closer) {
cfg := &config.Configuration{
Sampler: &config.SamplerConfig{
Type: "const",
Param: 1,
},
Reporter: &config.ReporterConfig{
LogSpans: true,
},
}
tracer, closer, err := cfg.New(service, config.Logger(jaeger.StdLogger))
if err != nil {
panic(fmt.Sprintf("ERROR: cannot init Jaeger: %v\n", err))
}
return tracer, closer
}
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