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