[chore] Replace usage of opencensus trace with otel trace in signalfx…

…receiver

Signed-off-by: Bogdan Drutu <bogdandrutu@gmail.com>

receiver/signalfxreceiver/go.mod

@@ -11,7 +11,6 @@ require (
 	github.com/open-telemetry/opentelemetry-collector-contrib/pkg/translator/signalfx v0.91.0
 	github.com/signalfx/com_signalfx_metrics_protobuf v0.0.3
 	github.com/stretchr/testify v1.8.4
-	go.opencensus.io v0.24.0
 	go.opentelemetry.io/collector/component v0.91.0
 	go.opentelemetry.io/collector/config/confighttp v0.91.0
 	go.opentelemetry.io/collector/config/configtls v0.91.0
@@ -20,7 +19,6 @@ require (
 	go.opentelemetry.io/collector/exporter v0.91.0
 	go.opentelemetry.io/collector/pdata v1.0.0
 	go.opentelemetry.io/collector/receiver v0.91.0
-	go.opentelemetry.io/collector/semconv v0.91.0
 	go.uber.org/zap v1.26.0
 )
 
@@ -35,7 +33,6 @@ require (
 	github.com/go-ole/go-ole v1.2.6 // indirect
 	github.com/gobwas/glob v0.2.3 // indirect
 	github.com/gogo/protobuf v1.3.2 // indirect
-	github.com/golang/groupcache v0.0.0-20210331224755-41bb18bfe9da // indirect
 	github.com/golang/protobuf v1.5.3 // indirect
 	github.com/golang/snappy v0.0.4 // indirect
 	github.com/hashicorp/go-version v1.6.0 // indirect
@@ -62,6 +59,7 @@ require (
 	github.com/tklauser/go-sysconf v0.3.12 // indirect
 	github.com/tklauser/numcpus v0.6.1 // indirect
 	github.com/yusufpapurcu/wmi v1.2.3 // indirect
+	go.opencensus.io v0.24.0 // indirect
 	go.opentelemetry.io/collector v0.91.0 // indirect
 	go.opentelemetry.io/collector/config/configauth v0.91.0 // indirect
 	go.opentelemetry.io/collector/config/configcompression v0.91.0 // indirect
@@ -71,6 +69,7 @@ require (
 	go.opentelemetry.io/collector/extension v0.91.0 // indirect
 	go.opentelemetry.io/collector/extension/auth v0.91.0 // indirect
 	go.opentelemetry.io/collector/featuregate v1.0.0 // indirect
+	go.opentelemetry.io/collector/semconv v0.91.0 // indirect
 	go.opentelemetry.io/contrib/instrumentation/net/http/otelhttp v0.46.1 // indirect
 	go.opentelemetry.io/otel v1.21.0 // indirect
 	go.opentelemetry.io/otel/metric v1.21.0 // indirect

receiver/signalfxreceiver/receiver.go

@@ -17,13 +17,11 @@ import (
 
 	"github.com/gorilla/mux"
 	sfxpb "github.com/signalfx/com_signalfx_metrics_protobuf/model"
-	"go.opencensus.io/trace"
 	"go.opentelemetry.io/collector/component"
 	"go.opentelemetry.io/collector/consumer"
 	"go.opentelemetry.io/collector/pdata/plog"
 	"go.opentelemetry.io/collector/receiver"
 	"go.opentelemetry.io/collector/receiver/receiverhelper"
-	conventions "go.opentelemetry.io/collector/semconv/v1.6.1"
 	"go.uber.org/zap"
 
 	"github.com/open-telemetry/opentelemetry-collector-contrib/internal/splunk"
@@ -329,22 +327,7 @@ func (r *sfxReceiver) failRequest(
 	// Use the same pattern as strings.Builder String().
 	msg := *(*string)(unsafe.Pointer(&jsonResponse))
 
-	reqSpan := trace.FromContext(ctx)
-	reqSpan.AddAttributes(
-		trace.Int64Attribute(conventions.AttributeHTTPStatusCode, int64(httpStatusCode)),
-		trace.StringAttribute("http.status_text", msg))
-	traceStatus := trace.Status{
-		Code: trace.StatusCodeInvalidArgument,
-	}
-	if httpStatusCode == http.StatusInternalServerError {
-		traceStatus.Code = trace.StatusCodeInternal
-	}
-	if err != nil {
-		traceStatus.Message = err.Error()
-	}
-	reqSpan.SetStatus(traceStatus)
-	reqSpan.End()
-
+	r.obsrecv.EndMetricsOp(ctx, metadata.Type, 0, err)
 	r.settings.Logger.Debug(
 		"SignalFx receiver request failed",
 		zap.Int("http_status_code", httpStatusCode),