Templatize the otelhttp semconv module (#6626)

Co-authored-by: Sam Xie <[email protected]>
Co-authored-by: Robert Pająk <[email protected]>

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

@@ -1,3 +1,6 @@
+// Code created by gotmpl. DO NOT MODIFY.
+// source: internal/shared/semconv/bench_test.go.tmpl
+
 // Copyright The OpenTelemetry Authors
 // SPDX-License-Identifier: Apache-2.0
 

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

@@ -1,3 +1,6 @@
+// Code created by gotmpl. DO NOT MODIFY.
+// source: internal/shared/semconv/env.go.tmpl
+
 // Copyright The OpenTelemetry Authors
 // SPDX-License-Identifier: Apache-2.0
 

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

@@ -1,3 +1,6 @@
+// Code created by gotmpl. DO NOT MODIFY.
+// source: internal/shared/semconv/env_test.go.tmpl
+
 // Copyright The OpenTelemetry Authors
 // SPDX-License-Identifier: Apache-2.0
 

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

@@ -0,0 +1,14 @@
+// Copyright The OpenTelemetry Authors
+// SPDX-License-Identifier: Apache-2.0
+
+package semconv // import "go.opentelemetry.io/contrib/instrumentation/net/http/otelhttp/internal/semconv"
+
+// Generate semconv package:
+//go:generate gotmpl --body=../../../../../../internal/shared/semconv/bench_test.go.tmpl "--data={}" --out=bench_test.go
+//go:generate gotmpl --body=../../../../../../internal/shared/semconv/env.go.tmpl "--data={}" --out=env.go
+//go:generate gotmpl --body=../../../../../../internal/shared/semconv/env_test.go.tmpl "--data={}" --out=env_test.go
+//go:generate gotmpl --body=../../../../../../internal/shared/semconv/httpconv.go.tmpl "--data={}" --out=httpconv.go
+//go:generate gotmpl --body=../../../../../../internal/shared/semconv/httpconv_test.go.tmpl "--data={}" --out=httpconv_test.go
+//go:generate gotmpl --body=../../../../../../internal/shared/semconv/util.go.tmpl "--data={}" --out=util.go
+//go:generate gotmpl --body=../../../../../../internal/shared/semconv/util_test.go.tmpl "--data={}" --out=util_test.go
+//go:generate gotmpl --body=../../../../../../internal/shared/semconv/v1.20.0.go.tmpl "--data={}" --out=v1.20.0.go

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

@@ -1,3 +1,6 @@
+// Code created by gotmpl. DO NOT MODIFY.
+// source: internal/shared/semconv/httpconv.go.tmpl
+
 // Copyright The OpenTelemetry Authors
 // SPDX-License-Identifier: Apache-2.0
 

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

@@ -1,3 +1,6 @@
+// Code created by gotmpl. DO NOT MODIFY.
+// source: internal/shared/semconv/httpconv_test.go.tmpl
+
 // Copyright The OpenTelemetry Authors
 // SPDX-License-Identifier: Apache-2.0
 

instrumentation/net/http/otelhttp/internal/semconv/test/common_test.go

@@ -1,3 +1,6 @@
+// Code created by gotmpl. DO NOT MODIFY.
+// source: internal/shared/semconv/test/common_test.go.tmpl
+
 // Copyright The OpenTelemetry Authors
 // SPDX-License-Identifier: Apache-2.0
 

instrumentation/net/http/otelhttp/internal/semconv/test/gen.go

@@ -0,0 +1,9 @@
+// Copyright The OpenTelemetry Authors
+// SPDX-License-Identifier: Apache-2.0
+
+package test // import "go.opentelemetry.io/contrib/instrumentation/net/http/otelhttp/internal/semconv/test"
+
+// Generate semconv/test package:
+//go:generate gotmpl --body=../../../../../../../internal/shared/semconv/test/common_test.go.tmpl "--data={}" --out=common_test.go
+//go:generate gotmpl --body=../../../../../../../internal/shared/semconv/test/httpconv_test.go.tmpl "--data={}" --out=httpconv_test.go
+//go:generate gotmpl --body=../../../../../../../internal/shared/semconv/test/v1.20.0_test.go.tmpl "--data={}" --out=v1.20.0_test.go

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

@@ -1,3 +1,6 @@
+// Code created by gotmpl. DO NOT MODIFY.
+// source: internal/shared/semconv/test/httpconv_test.go.tmpl
+
 // Copyright The OpenTelemetry Authors
 // SPDX-License-Identifier: Apache-2.0
 

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

@@ -1,3 +1,6 @@
+// Code created by gotmpl. DO NOT MODIFY.
+// source: internal/shared/semconv/test/v1.20.0_test.go.tmpl
+
 // Copyright The OpenTelemetry Authors
 // SPDX-License-Identifier: Apache-2.0
 

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

@@ -1,3 +1,6 @@
+// Code created by gotmpl. DO NOT MODIFY.
+// source: internal/shared/semconv/util.go.tmpl
+
 // Copyright The OpenTelemetry Authors
 // SPDX-License-Identifier: Apache-2.0
 

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

@@ -1,3 +1,6 @@
+// Code created by gotmpl. DO NOT MODIFY.
+// source: internal/shared/semconv/util_test.go.tmpl
+
 // Copyright The OpenTelemetry Authors
 // SPDX-License-Identifier: Apache-2.0
 

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

@@ -1,3 +1,6 @@
+// Code created by gotmpl. DO NOT MODIFY.
+// source: internal/shared/semconv/v120.0.go.tmpl
+
 // Copyright The OpenTelemetry Authors
 // SPDX-License-Identifier: Apache-2.0
 

internal/shared/semconv/bench_test.go.tmpl

@@ -0,0 +1,48 @@
+// Code created by gotmpl. DO NOT MODIFY.
+// source: internal/shared/semconv/bench_test.go.tmpl
+
+// Copyright The OpenTelemetry Authors
+// SPDX-License-Identifier: Apache-2.0
+
+package semconv
+
+import (
+	"net/http"
+	"net/url"
+	"testing"
+
+	"go.opentelemetry.io/otel/attribute"
+)
+
+var benchHTTPServerRequestResults []attribute.KeyValue
+
+// BenchmarkHTTPServerRequest allows comparison between different version of the HTTP server.
+// 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.
+	req := &http.Request{
+		Method: http.MethodGet,
+		URL: &url.URL{
+			Path: "/",
+		},
+		Proto:      "HTTP/1.1",
+		ProtoMajor: 1,
+		ProtoMinor: 1,
+		Header: http.Header{
+			"User-Agent":      []string{"Go-http-client/1.1"},
+			"Accept-Encoding": []string{"gzip"},
+		},
+		Body:       http.NoBody,
+		Host:       "127.0.0.1:39093",
+		RemoteAddr: "127.0.0.1:38738",
+		RequestURI: "/",
+	}
+	serv := NewHTTPServer(nil)
+
+	b.ReportAllocs()
+	b.ResetTimer()
+	for i := 0; i < b.N; i++ {
+		benchHTTPServerRequestResults = serv.RequestTraceAttrs("", req)
+	}
+}