Merge pull request #377 from ww24/use-zipkin-propagator

fix: use Zipkin B3 propagator

go.mod

@@ -23,6 +23,7 @@ require (
 	github.com/tenntenn/testtime v0.2.2
 	go.opencensus.io v0.23.0
 	go.opentelemetry.io/contrib/instrumentation/net/http/otelhttp v0.36.4
+	go.opentelemetry.io/contrib/propagators/b3 v1.11.1
 	go.opentelemetry.io/otel v1.11.1
 	go.opentelemetry.io/otel/bridge/opencensus v0.33.0
 	go.opentelemetry.io/otel/sdk v1.11.1

go.sum

@@ -307,6 +307,8 @@ go.opencensus.io v0.23.0 h1:gqCw0LfLxScz8irSi8exQc7fyQ0fKQU/qnC/X8+V/1M=
 go.opencensus.io v0.23.0/go.mod h1:XItmlyltB5F7CS4xOC1DcqMoFqwtC6OG2xF7mCv7P7E=
 go.opentelemetry.io/contrib/instrumentation/net/http/otelhttp v0.36.4 h1:aUEBEdCa6iamGzg6fuYxDA8ThxvOG240mAvWDU+XLio=
 go.opentelemetry.io/contrib/instrumentation/net/http/otelhttp v0.36.4/go.mod h1:l2MdsbKTocpPS5nQZscqTR9jd8u96VYZdcpF8Sye7mA=
+go.opentelemetry.io/contrib/propagators/b3 v1.11.1 h1:icQ6ttRV+r/2fnU46BIo/g/mPu6Rs5Ug8Rtohe3KqzI=
+go.opentelemetry.io/contrib/propagators/b3 v1.11.1/go.mod h1:ECIveyMXgnl4gorxFcA7RYjJY/Ql9n20ubhbfDc3QfA=
 go.opentelemetry.io/otel v1.11.1 h1:4WLLAmcfkmDk2ukNXJyq3/kiz/3UzCaYq6PskJsaou4=
 go.opentelemetry.io/otel v1.11.1/go.mod h1:1nNhXBbWSD0nsL38H6btgnFN2k4i0sNLHNNMZMSbUGE=
 go.opentelemetry.io/otel/bridge/opencensus v0.33.0 h1:DnSFYr/VxUVwkHL0UoaMcxx74Jugb1HO0B08cYBmi0c=

tracer/tracer.go

@@ -7,6 +7,7 @@ import (
 
 	"github.com/GoogleCloudPlatform/opentelemetry-operations-go/propagator"
 	octrace "go.opencensus.io/trace"
+	"go.opentelemetry.io/contrib/propagators/b3"
 	"go.opentelemetry.io/otel"
 	"go.opentelemetry.io/otel/bridge/opencensus"
 	"go.opentelemetry.io/otel/propagation"
@@ -63,9 +64,10 @@ func New(c *Config, conf repository.Config, exporter sdktrace.SpanExporter) (tra
 
 	otel.SetTextMapPropagator(
 		propagation.NewCompositeTextMapPropagator(
+			// propagation.TraceContext{},
+			// propagation.Baggage{},
 			propagator.CloudTraceOneWayPropagator{},
-			propagation.TraceContext{},
-			propagation.Baggage{},
+			b3.New(),
 		),
 	)