Add semconv/v1.20.0 (#4078)

* Add semconv/v1.20.0

* Update changelog

* Change http.flavor to net.protocol.(name|version)

* Update comments in httpconv

* Fix vanity import

* Update CHANGELOG.md

Co-authored-by: Tyler Yahn <MrAlias@users.noreply.github.com>

---------

Co-authored-by: Chester Cheung <cheung.zhy.csu@gmail.com>
Co-authored-by: Tyler Yahn <MrAlias@users.noreply.github.com>

CHANGELOG.md

@@ -8,6 +8,11 @@ This project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.htm
 
 ## [Unreleased]
 
+### Added
+
+- The `go.opentelemetry.io/otel/semconv/v1.20.0` package.
+  The package contains semantic conventions from the `v1.20.0` version of the OpenTelemetry specification. (#4078)
+
 ### Removed
 
 - The deprecated `go.opentelemetry.io/otel/metric/instrument` package is removed.

RELEASING.md

@@ -14,7 +14,6 @@ For example,
 ```sh
 export TAG="v1.13.0" # Change to the release version you are generating.
 export OTEL_SPEC_REPO="/absolute/path/to/opentelemetry-specification"
-git -C "$OTEL_SPEC_REPO" checkout "tags/$TAG" -b "$TAG"
 docker pull otel/semconvgen:latest
 make semconv-generate # Uses the exported TAG and OTEL_SPEC_REPO.
 ```

internal/tools/semconvkit/templates/httpconv/http.go.tmpl

@@ -21,7 +21,7 @@ import (
 
 	"go.opentelemetry.io/otel/attribute"
 	"go.opentelemetry.io/otel/codes"
-	"go.opentelemetry.io/otel/semconv/internal/v3"
+	"go.opentelemetry.io/otel/semconv/internal/v4"
 	semconv "go.opentelemetry.io/otel/semconv/{{.TagVer}}"
 )
 
@@ -44,7 +44,8 @@ var (
 
 		EnduserIDKey:                 semconv.EnduserIDKey,
 		HTTPClientIPKey:              semconv.HTTPClientIPKey,
-		HTTPFlavorKey:                semconv.HTTPFlavorKey,
+		NetProtocolNameKey:           semconv.NetProtocolNameKey,
+		NetProtocolVersionKey:        semconv.NetProtocolVersionKey,
 		HTTPMethodKey:                semconv.HTTPMethodKey,
 		HTTPRequestContentLengthKey:  semconv.HTTPRequestContentLengthKey,
 		HTTPResponseContentLengthKey: semconv.HTTPResponseContentLengthKey,
@@ -74,10 +75,11 @@ func ClientResponse(resp *http.Response) []attribute.KeyValue {
 }
 
 // ClientRequest returns trace attributes for an HTTP request made by a client.
-// The following attributes are always returned: "http.url", "http.flavor",
-// "http.method", "net.peer.name". The following attributes are returned if the
-// related values are defined in req: "net.peer.port", "http.user_agent",
-// "http.request_content_length", "enduser.id".
+// The following attributes are always returned: "http.url",
+// "net.protocol.(name|version)", "http.method", "net.peer.name".
+// The following attributes are returned if the related values are defined
+// in req: "net.peer.port", "http.user_agent", "http.request_content_length",
+// "enduser.id".
 func ClientRequest(req *http.Request) []attribute.KeyValue {
 	return hc.ClientRequest(req)
 }
@@ -106,10 +108,10 @@ func ClientStatus(code int) (codes.Code, string) {
 // The req Host will be used to determine the server instead.
 //
 // The following attributes are always returned: "http.method", "http.scheme",
-// "http.flavor", "http.target", "net.host.name". The following attributes are
-// returned if they related values are defined in req: "net.host.port",
-// "net.sock.peer.addr", "net.sock.peer.port", "user_agent.original", "enduser.id",
-// "http.client_ip".
+// ""net.protocol.(name|version)", "http.target", "net.host.name".
+// The following attributes are returned if they related values are defined
+// in req: "net.host.port", "net.sock.peer.addr", "net.sock.peer.port",
+// "user_agent.original", "enduser.id", "http.client_ip".
 func ServerRequest(server string, req *http.Request) []attribute.KeyValue {
 	return hc.ServerRequest(server, req)
 }

internal/tools/semconvkit/templates/netconv/net.go.tmpl

@@ -20,7 +20,7 @@ import (
 	"net"
 
 	"go.opentelemetry.io/otel/attribute"
-	"go.opentelemetry.io/otel/semconv/internal/v3"
+	"go.opentelemetry.io/otel/semconv/internal/v4"
 	semconv "go.opentelemetry.io/otel/semconv/{{.TagVer}}"
 )