HTTP migration, Env Var name (#5997)

This change renames the environment variable used for compatibility mode
to `OTEL_SEMCONV_STABILITY_OPT_IN` as per the recommendation in the
spec.

Follow up from [this
comment](#5132 (comment)).

Co-authored-by: Aaron Clawson <[email protected]>

Author: MadVikingGod

CHANGELOG.md

@@ -17,6 +17,8 @@ This project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.htm
 - The `go.opentelemetry.io/contrib/config` package supports configuring `with_resource_constant_labels` for the prometheus exporter. (#5890)
 - Add new runtime metrics to `go.opentelemetry.io/contrib/instrumentation/runtime`, which are still disabled by default. (#5870)
 - Support for the `OTEL_HTTP_CLIENT_COMPATIBILITY_MODE=http/dup` environment variable in `go.opentelemetry.io/contrib/instrumentation/net/http/otelhttp` to emit attributes for both the v1.20.0 and v1.26.0 semantic conventions. (#5401)
+- The `go.opentelemetry.io/contrib/bridges/otelzerolog` module.
+  This module provides an OpenTelemetry logging bridge for `github.com/rs/zerolog`. (#5405)
 
 ### Removed
 

instrumentation/net/http/otelhttp/internal/semconv/bench_test.go

@@ -14,7 +14,7 @@ import (
 var benchHTTPServerRequestResults []attribute.KeyValue
 
 // BenchmarkHTTPServerRequest allows comparison between different version of the HTTP server.
-// To use an alternative start this test with OTEL_HTTP_CLIENT_COMPATIBILITY_MODE set to the
+// To use an alternative start this test with OTEL_SEMCONV_STABILITY_OPT_IN set to the
 // version under test.
 func BenchmarkHTTPServerRequest(b *testing.B) {
 	// Request was generated from TestHTTPServerRequest request.

instrumentation/net/http/otelhttp/internal/semconv/env.go

@@ -111,7 +111,7 @@ func (s HTTPServer) RecordMetrics(ctx context.Context, md MetricData) {
 }
 
 func NewHTTPServer(meter metric.Meter) HTTPServer {
-	env := strings.ToLower(os.Getenv("OTEL_HTTP_CLIENT_COMPATIBILITY_MODE"))
+	env := strings.ToLower(os.Getenv("OTEL_SEMCONV_STABILITY_OPT_IN"))
 	duplicate := env == "http/dup"
 	server := HTTPServer{
 		duplicate: duplicate,
@@ -125,7 +125,7 @@ type HTTPClient struct {
 }
 
 func NewHTTPClient() HTTPClient {
-	env := strings.ToLower(os.Getenv("OTEL_HTTP_CLIENT_COMPATIBILITY_MODE"))
+	env := strings.ToLower(os.Getenv("OTEL_SEMCONV_STABILITY_OPT_IN"))
 	return HTTPClient{duplicate: env == "http/dup"}
 }
 

instrumentation/net/http/otelhttp/internal/semconv/httpconv_test.go

@@ -17,7 +17,7 @@ import (
 )
 
 func TestNewTraceRequest(t *testing.T) {
-	t.Setenv("OTEL_HTTP_CLIENT_COMPATIBILITY_MODE", "http/dup")
+	t.Setenv("OTEL_SEMCONV_STABILITY_OPT_IN", "http/dup")
 	serv := NewHTTPServer(nil)
 	want := func(req testServerReq) []attribute.KeyValue {
 		return []attribute.KeyValue{
@@ -131,7 +131,7 @@ func TestNewMethod(t *testing.T) {
 }
 
 func TestNewTraceRequest_Client(t *testing.T) {
-	t.Setenv("OTEL_HTTP_CLIENT_COMPATIBILITY_MODE", "http/dup")
+	t.Setenv("OTEL_SEMCONV_STABILITY_OPT_IN", "http/dup")
 	body := strings.NewReader("Hello, world!")
 	url := "https://example.com:8888/foo/bar?stuff=morestuff"
 	req := httptest.NewRequest("pOST", url, body)
@@ -156,7 +156,7 @@ func TestNewTraceRequest_Client(t *testing.T) {
 }
 
 func TestNewTraceResponse_Client(t *testing.T) {
-	t.Setenv("OTEL_HTTP_CLIENT_COMPATIBILITY_MODE", "http/dup")
+	t.Setenv("OTEL_SEMCONV_STABILITY_OPT_IN", "http/dup")
 	testcases := []struct {
 		resp http.Response
 		want []attribute.KeyValue

instrumentation/net/http/otelhttp/internal/semconv/v1.20.0_test.go

@@ -17,7 +17,7 @@ import (
 
 func TestV120TraceRequest(t *testing.T) {
 	// Anything but "http" or "http/dup" works.
-	t.Setenv("OTEL_HTTP_CLIENT_COMPATIBILITY_MODE", "old")
+	t.Setenv("OTEL_SEMCONV_STABILITY_OPT_IN", "old")
 	serv := NewHTTPServer(nil)
 	want := func(req testServerReq) []attribute.KeyValue {
 		return []attribute.KeyValue{