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trace.go
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/
trace.go
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package instance
import (
"io"
"github.com/opentracing/opentracing-go"
"github.com/pg-sharding/spqr/pkg/config"
jaegercfg "github.com/uber/jaeger-client-go/config"
jaegerlog "github.com/uber/jaeger-client-go/log"
"github.com/uber/jaeger-lib/metrics"
)
func (r *InstanceImpl) initJaegerTracer(rcfg *config.Router) (io.Closer, error) {
cfg := jaegercfg.Configuration{
ServiceName: "worldmock",
Sampler: &jaegercfg.SamplerConfig{
Type: "const",
Param: 1,
SamplingServerURL: rcfg.JaegerUrl,
},
Reporter: &jaegercfg.ReporterConfig{
LogSpans: false,
},
Gen128Bit: true,
Tags: []opentracing.Tag{
{Key: "span.kind", Value: "server"},
},
}
jLogger := jaegerlog.StdLogger //TODO: replace with spqrlog logger
jMetricsFactory := metrics.NullFactory
// Initialize tracer with a logger and a metrics factory
return cfg.InitGlobalTracer(
"worldmock",
jaegercfg.Logger(jLogger),
jaegercfg.Metrics(jMetricsFactory),
)
}