/
zipkin.go
113 lines (92 loc) · 3.54 KB
/
zipkin.go
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package tracing
import (
"fmt"
"github.com/opentracing/opentracing-go"
zipkinopentracing "github.com/openzipkin-contrib/zipkin-go-opentracing"
"github.com/openzipkin/zipkin-go"
"github.com/openzipkin/zipkin-go/reporter"
zipkinhttpreporter "github.com/openzipkin/zipkin-go/reporter/http"
"github.com/bygui86/go-traces/grpc-client/logging"
)
const (
zipkinUrlFormat = "http://%s:%d/api/v2/spans"
zipkinDefaultHostPort = ":0"
)
func InitSampleZipkin(serviceName, zipkinHost string, zipkinPort int) (reporter.Reporter, error) {
// set up a span reporter
reporter := zipkinhttpreporter.NewReporter(fmt.Sprintf(zipkinUrlFormat, zipkinHost, zipkinPort))
// create our local service endpoint
endpoint, endpointErr := zipkin.NewEndpoint(serviceName, zipkinDefaultHostPort)
if endpointErr != nil {
return nil, endpointErr
}
// initialize our tracer
nativeTracer, tracerErr := zipkin.NewTracer(
reporter,
zipkin.WithLocalEndpoint(endpoint),
)
if tracerErr != nil {
return nil, tracerErr
}
// use zipkin-go-opentracing to wrap Zipkin tracer into OpenTracing tracer
// and set it as Global OpenTracing tracer instance
opentracing.SetGlobalTracer(zipkinopentracing.Wrap(nativeTracer))
logging.SugaredLog.Debugf("Zipkin global tracer registered: %t", opentracing.IsGlobalTracerRegistered())
return reporter, nil
}
func InitTestingZipkin(serviceName, zipkinHost string, zipkinPort int) (reporter.Reporter, error) {
// set up a span reporter
reporter := zipkinhttpreporter.NewReporter(fmt.Sprintf(zipkinUrlFormat, zipkinHost, zipkinPort))
// create our local service endpoint
endpoint, endpointErr := zipkin.NewEndpoint(serviceName, zipkinDefaultHostPort)
if endpointErr != nil {
return nil, endpointErr
}
// Sampler tells you which traces are going to be sampled or not. In this case we will record 100% (1.00) of traces.
sampler, err := zipkin.NewCountingSampler(1)
if err != nil {
return nil, err
}
// initialize our tracer
nativeTracer, tracerErr := zipkin.NewTracer(
reporter,
zipkin.WithSampler(sampler),
zipkin.WithLocalEndpoint(endpoint),
)
if tracerErr != nil {
return nil, tracerErr
}
// use zipkin-go-opentracing to wrap Zipkin tracer into OpenTracing tracer
// and set it as Global OpenTracing tracer instance
opentracing.SetGlobalTracer(zipkinopentracing.Wrap(nativeTracer))
logging.SugaredLog.Debugf("Zipkin global tracer registered: %t", opentracing.IsGlobalTracerRegistered())
return reporter, nil
}
func InitProductionZipkin(serviceName, zipkinHost string, zipkinPort int) (reporter.Reporter, error) {
// set up a span reporter
reporter := zipkinhttpreporter.NewReporter(fmt.Sprintf(zipkinUrlFormat, zipkinHost, zipkinPort))
// create our local service endpoint
endpoint, endpointErr := zipkin.NewEndpoint(serviceName, zipkinDefaultHostPort)
if endpointErr != nil {
return nil, endpointErr
}
// Sampler tells you which traces are going to be sampled or not. In this case we will record 100% (1.00) of traces.
sampler, err := zipkin.NewCountingSampler(0.2)
if err != nil {
return nil, err
}
// initialize our tracer
nativeTracer, tracerErr := zipkin.NewTracer(
reporter,
zipkin.WithSampler(sampler),
zipkin.WithLocalEndpoint(endpoint),
)
if tracerErr != nil {
return nil, tracerErr
}
// use zipkin-go-opentracing to wrap Zipkin tracer into OpenTracing tracer
// and set it as Global OpenTracing tracer instance
opentracing.SetGlobalTracer(zipkinopentracing.Wrap(nativeTracer))
logging.SugaredLog.Debugf("Zipkin global tracer registered: %t", opentracing.IsGlobalTracerRegistered())
return reporter, nil
}