[bugfix] Downstep otel to fix freebsd compile issue (#1773)

https://github.com/open-telemetry/opentelemetry-go/issues/4076

vendor/go.opentelemetry.io/otel/exporters/jaeger/README.md

@@ -47,4 +47,4 @@ When re-generating Thrift code in the future, please adapt import paths as neces
 
 - [Jaeger](https://www.jaegertracing.io/)
 - [OpenTelemetry to Jaeger Transformation](https://github.com/open-telemetry/opentelemetry-specification/blob/main/specification/trace/sdk_exporters/jaeger.md)
-- [OpenTelemetry Environment Variable Specification](https://opentelemetry.io/docs/reference/specification/sdk-environment-variables/#general-sdk-configuration)
+- [OpenTelemetry Environment Variable Specification](https://github.com/open-telemetry/opentelemetry-specification/blob/main/specification/sdk-environment-variables.md)

vendor/go.opentelemetry.io/otel/exporters/jaeger/env.go

@@ -37,7 +37,7 @@ const (
 
 // envOr returns an env variable's value if it is exists or the default if not.
 func envOr(key, defaultValue string) string {
-	if v := os.Getenv(key); v != "" {
+	if v, ok := os.LookupEnv(key); ok && v != "" {
 		return v
 	}
 	return defaultValue

vendor/go.opentelemetry.io/otel/exporters/jaeger/internal/third_party/thrift/lib/go/thrift/exception.go

@@ -77,7 +77,7 @@ const (
 // WrapTException wraps an error into TException.
 //
 // If err is nil or already TException, it's returned as-is.
-// Otherwise it will be wrapped into TException with TExceptionType() returning
+// Otherwise it will be wraped into TException with TExceptionType() returning
 // TExceptionTypeUnknown, and Unwrap() returning the original error.
 func WrapTException(err error) TException {
 	if err == nil {

vendor/go.opentelemetry.io/otel/exporters/jaeger/internal/third_party/thrift/lib/go/thrift/transport.go

@@ -56,7 +56,7 @@ type stringWriter interface {
 	WriteString(s string) (n int, err error)
 }
 
-// This is "enhanced" transport with extra capabilities. You need to use one of these
+// This is "enchanced" transport with extra capabilities. You need to use one of these
 // to construct protocol.
 // Notably, TSocket does not implement this interface, and it is always a mistake to use
 // TSocket directly in protocol.

vendor/go.opentelemetry.io/otel/exporters/jaeger/internal/third_party/thrift/lib/go/thrift/type.go

@@ -40,7 +40,7 @@ const (
 	LIST   = 15
 	UTF8   = 16
 	UTF16  = 17
-	//BINARY = 18   wrong and unused
+	//BINARY = 18   wrong and unusued
 )
 
 var typeNames = map[int]string{

vendor/go.opentelemetry.io/otel/exporters/otlp/internal/header.go

@@ -12,14 +12,13 @@
 // See the License for the specific language governing permissions and
 // limitations under the License.
 
-package internal // import "go.opentelemetry.io/otel/exporters/otlp/otlptrace/internal"
+// Package internal contains common functionality for all OTLP exporters.
+package internal // import "go.opentelemetry.io/otel/exporters/otlp/internal"
 
-import (
-	"go.opentelemetry.io/otel/exporters/otlp/otlptrace"
-)
+import "go.opentelemetry.io/otel"
 
-// GetUserAgentHeader returns an OTLP header value form "OTel OTLP Exporter Go/{{ .Version }}"
+// GetUserAgentHeader return an OTLP header value form "OTel OTLP Exporter Go/{{ .Version }}"
 // https://github.com/open-telemetry/opentelemetry-specification/blob/main/specification/protocol/exporter.md#user-agent
 func GetUserAgentHeader() string {
-	return "OTel OTLP Exporter Go/" + otlptrace.Version()
+	return "OTel OTLP Exporter Go/" + otel.Version()
 }

vendor/go.opentelemetry.io/otel/exporters/otlp/otlptrace/internal/otlpconfig/options.go

@@ -27,7 +27,6 @@ import (
 
 	"go.opentelemetry.io/otel/exporters/otlp/internal"
 	"go.opentelemetry.io/otel/exporters/otlp/internal/retry"
-	otinternal "go.opentelemetry.io/otel/exporters/otlp/otlptrace/internal"
 )
 
 const (
@@ -98,7 +97,7 @@ func NewGRPCConfig(opts ...GRPCOption) Config {
 			Timeout:     DefaultTimeout,
 		},
 		RetryConfig: retry.DefaultConfig,
-		DialOptions: []grpc.DialOption{grpc.WithUserAgent(otinternal.GetUserAgentHeader())},
+		DialOptions: []grpc.DialOption{grpc.WithUserAgent(internal.GetUserAgentHeader())},
 	}
 	cfg = ApplyGRPCEnvConfigs(cfg)
 	for _, opt := range opts {

vendor/go.opentelemetry.io/otel/exporters/otlp/otlptrace/otlptracegrpc/client.go

@@ -130,16 +130,13 @@ var errAlreadyStopped = errors.New("the client is already stopped")
 // If the client has already stopped, an error will be returned describing
 // this.
 func (c *client) Stop(ctx context.Context) error {
-	// Make sure to return context error if the context is done when calling this method.
-	err := ctx.Err()
-
 	// Acquire the c.tscMu lock within the ctx lifetime.
 	acquired := make(chan struct{})
 	go func() {
 		c.tscMu.Lock()
 		close(acquired)
 	}()
-
+	var err error
 	select {
 	case <-ctx.Done():
 		// The Stop timeout is reached. Kill any remaining exports to force

vendor/go.opentelemetry.io/otel/exporters/otlp/otlptrace/version.go

@@ -1,20 +0,0 @@
-// 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 otlptrace // import "go.opentelemetry.io/otel/exporters/otlp/otlptrace"
-
-// Version is the current release version of the OpenTelemetry OTLP trace exporter in use.
-func Version() string {
-	return "1.15.1"
-}