[feature] Support OTLP HTTP, drop Jaeger (#2184)

* [feature] Add http trace exporter, drop Jaeger

Jaeger supports ingesting traces using the OpenTelemetry gRPC or HTTP
methods. The Jaeger project has deprecated the old jaeger transport.

* Add support for submitting traces over HTTP
* Drop support for the old Jaeger protocol
* Upgrade the trace libraries to v1.17

Fixes: #2176
Fixes: #2179

vendor/go.opentelemetry.io/otel/internal/gen.go

@@ -0,0 +1,29 @@
+// Copyright The OpenTelemetry Authors
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+package internal // import "go.opentelemetry.io/otel/internal"
+
+//go:generate gotmpl --body=./shared/matchers/expectation.go.tmpl "--data={}" --out=matchers/expectation.go
+//go:generate gotmpl --body=./shared/matchers/expecter.go.tmpl "--data={}" --out=matchers/expecter.go
+//go:generate gotmpl --body=./shared/matchers/temporal_matcher.go.tmpl "--data={}" --out=matchers/temporal_matcher.go
+
+//go:generate gotmpl --body=./shared/internaltest/alignment.go.tmpl "--data={}" --out=internaltest/alignment.go
+//go:generate gotmpl --body=./shared/internaltest/env.go.tmpl "--data={}" --out=internaltest/env.go
+//go:generate gotmpl --body=./shared/internaltest/env_test.go.tmpl "--data={}" --out=internaltest/env_test.go
+//go:generate gotmpl --body=./shared/internaltest/errors.go.tmpl "--data={}" --out=internaltest/errors.go
+//go:generate gotmpl --body=./shared/internaltest/harness.go.tmpl "--data={\"matchersImportPath\": \"go.opentelemetry.io/otel/internal/matchers\"}" --out=internaltest/harness.go
+//go:generate gotmpl --body=./shared/internaltest/text_map_carrier.go.tmpl "--data={}" --out=internaltest/text_map_carrier.go
+//go:generate gotmpl --body=./shared/internaltest/text_map_carrier_test.go.tmpl "--data={}" --out=internaltest/text_map_carrier_test.go
+//go:generate gotmpl --body=./shared/internaltest/text_map_propagator.go.tmpl "--data={}" --out=internaltest/text_map_propagator.go
+//go:generate gotmpl --body=./shared/internaltest/text_map_propagator_test.go.tmpl "--data={}" --out=internaltest/text_map_propagator_test.go

vendor/go.opentelemetry.io/otel/internal/global/handler.go

@@ -18,7 +18,6 @@ import (
 	"log"
 	"os"
 	"sync/atomic"
-	"unsafe"
 )
 
 var (
@@ -42,7 +41,7 @@ type ErrorHandler interface {
 }
 
 type ErrDelegator struct {
-	delegate unsafe.Pointer
+	delegate atomic.Pointer[ErrorHandler]
 }
 
 func (d *ErrDelegator) Handle(err error) {
@@ -50,12 +49,12 @@ func (d *ErrDelegator) Handle(err error) {
 }
 
 func (d *ErrDelegator) getDelegate() ErrorHandler {
-	return *(*ErrorHandler)(atomic.LoadPointer(&d.delegate))
+	return *d.delegate.Load()
 }
 
 // setDelegate sets the ErrorHandler delegate.
 func (d *ErrDelegator) setDelegate(eh ErrorHandler) {
-	atomic.StorePointer(&d.delegate, unsafe.Pointer(&eh))
+	d.delegate.Store(&eh)
 }
 
 func defaultErrorHandler() *ErrDelegator {

vendor/go.opentelemetry.io/otel/internal/global/internal_logging.go

@@ -18,7 +18,6 @@ import (
 	"log"
 	"os"
 	"sync/atomic"
-	"unsafe"
 
 	"github.com/go-logr/logr"
 	"github.com/go-logr/stdr"
@@ -28,7 +27,7 @@ import (
 //
 // The default logger uses stdr which is backed by the standard `log.Logger`
 // interface. This logger will only show messages at the Error Level.
-var globalLogger unsafe.Pointer
+var globalLogger atomic.Pointer[logr.Logger]
 
 func init() {
 	SetLogger(stdr.New(log.New(os.Stderr, "", log.LstdFlags|log.Lshortfile)))
@@ -40,11 +39,11 @@ func init() {
 // To see Info messages use a logger with `l.V(4).Enabled() == true`
 // To see Debug messages use a logger with `l.V(8).Enabled() == true`.
 func SetLogger(l logr.Logger) {
-	atomic.StorePointer(&globalLogger, unsafe.Pointer(&l))
+	globalLogger.Store(&l)
 }
 
 func getLogger() logr.Logger {
-	return *(*logr.Logger)(atomic.LoadPointer(&globalLogger))
+	return *globalLogger.Load()
 }
 
 // Info prints messages about the general state of the API or SDK.