Deprecate exporters/jaeger (#4423)

* Deprecate exporters/jaeger

* Delete jaeger example

* Remove jaeger exporter from docs

* Remove example from docs

* Update CHANGELOG.md

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

* Revert "Delete jaeger example"

This reverts commit 1a2b47bc9ac4e8f7e6f64a6cf6fe79e4c9261c23.

* Revert "Remove example from docs"

This reverts commit 682db01075fb62c6947b26f2b57667b2a4122c56.

* Add nolint comment

* Remove Jaeger from main README

* Deprecate example/jaeger

* Apply suggestions from code review

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

* Apply suggestions from code review

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

* Update go.mod

* Update main.go

* fix lint

---------

Co-authored-by: Tyler Yahn <MrAlias@users.noreply.github.com>
Co-authored-by: Aaron Clawson <3766680+MadVikingGod@users.noreply.github.com>

CHANGELOG.md

@@ -78,6 +78,11 @@ This project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.htm
 
 ### Deprecated
 
+- The `go.opentelemetry.io/otel/exporters/jaeger` package is deprecated.
+  OpenTelemetry dropped support for Jaeger exporter in July 2023.
+  Use `go.opentelemetry.io/otel/exporters/otlp/otlptrace/otlptracehttp`
+  or `go.opentelemetry.io/otel/exporters/otlp/otlptrace/otlptracegrpc` instead. (#4423)
+- The `go.opentelemetry.io/otel/example/jaeger` package is deprecated. (#4423)
 - The `go.opentelemetry.io/otel/exporters/otlp/otlpmetric/internal` package is deprecated. (#4420)
 - The `go.opentelemetry.io/otel/exporters/otlp/otlpmetric/internal/oconf` package is deprecated. (#4420)
 - The `go.opentelemetry.io/otel/exporters/otlp/otlpmetric/internal/otest` package is deprecated. (#4420)

README.md

@@ -101,7 +101,6 @@ All officially supported exporters for the OpenTelemetry project are contained i
 
 | Exporter                              | Metrics | Traces |
 |---------------------------------------|:-------:|:------:|
-| [Jaeger](./exporters/jaeger/)         |         |   ✓    |
 | [OTLP](./exporters/otlp/)             |    ✓    |   ✓    |
 | [Prometheus](./exporters/prometheus/) |    ✓    |        |
 | [stdout](./exporters/stdout/)         |    ✓    |   ✓    |

example/jaeger/go.mod

@@ -1,3 +1,9 @@
+// Deprecated: This example is no longer supported as
+// [go.opentelemetry.io/otel/exporters/jaeger] is no longer supported.
+// OpenTelemetry dropped support for Jaeger exporter in July 2023.
+// Jaeger officially accepts and recommends using OTLP.
+// Use [go.opentelemetry.io/otel/exporters/otlp/otlptrace/otlptracehttp]
+// or [go.opentelemetry.io/otel/exporters/otlp/otlptrace/otlptracegrpc] instead.
 module go.opentelemetry.io/otel/example/jaeger
 
 go 1.19

example/jaeger/main.go

@@ -14,6 +14,13 @@
 
 // Command jaeger is an example program that creates spans
 // and uploads to Jaeger.
+//
+// Deprecated:  This example is no longer supported as
+// [go.opentelemetry.io/otel/exporters/jaeger] is no longer supported.
+// OpenTelemetry dropped support for Jaeger exporter in July 2023.
+// Jaeger officially accepts and recommends using OTLP.
+// Use [go.opentelemetry.io/otel/exporters/otlp/otlptrace/otlptracehttp]
+// or [go.opentelemetry.io/otel/exporters/otlp/otlptrace/otlptracegrpc] instead.
 package main
 
 import (
@@ -23,7 +30,7 @@ import (
 
 	"go.opentelemetry.io/otel"
 	"go.opentelemetry.io/otel/attribute"
-	"go.opentelemetry.io/otel/exporters/jaeger"
+	"go.opentelemetry.io/otel/exporters/jaeger" //nolint:staticcheck // This is deprecated and will be removed in the next release.
 	"go.opentelemetry.io/otel/sdk/resource"
 	tracesdk "go.opentelemetry.io/otel/sdk/trace"
 	semconv "go.opentelemetry.io/otel/semconv/v1.21.0"

exporters/README.md

@@ -9,7 +9,6 @@ The following exporter packages are provided with the following OpenTelemetry si
 
 | Exporter Package                                                                | Metrics | Traces |
 | :-----------------------------------------------------------------------------: | :-----: | :----: |
-| [go.opentelemetry.io/otel/exporters/jaeger](./jaeger)                           |         | ✓      |
 | [go.opentelemetry.io/otel/exporters/otlp/otlpmetric](./otlp/otlpmetric)         | ✓       |        |
 | [go.opentelemetry.io/otel/exporters/otlp/otlptrace](./otlp/otlptrace)           |         | ✓      |
 | [go.opentelemetry.io/otel/exporters/prometheus](./prometheus)                   | ✓       |        |

exporters/jaeger/README.md

@@ -2,6 +2,12 @@
 
 [![Go Reference](https://pkg.go.dev/badge/go.opentelemetry.io/otel/exporters/jaeger.svg)](https://pkg.go.dev/go.opentelemetry.io/otel/exporters/jaeger)
 
+> **Deprecated:** This module is no longer supported.
+> OpenTelemetry dropped support for Jaeger exporter in July 2023.
+> Jaeger officially accepts and recommends using OTLP.
+> Use [go.opentelemetry.io/otel/exporters/otlp/otlptrace/otlptracehttp](https://pkg.go.dev/go.opentelemetry.io/otel/exporters/otlp/otlptrace/otlptracehttp)
+> or [go.opentelemetry.io/otel/exporters/otlp/otlptrace/otlptracegrpc](https://pkg.go.dev/go.opentelemetry.io/otel/exporters/otlp/otlptrace/otlptracegrpc) instead.
+
 [OpenTelemetry span exporter for Jaeger](https://github.com/open-telemetry/opentelemetry-specification/blob/v1.20.0/specification/trace/sdk_exporters/jaeger.md) implementation.
 
 ## Installation

exporters/jaeger/doc.go

@@ -13,4 +13,10 @@
 // limitations under the License.
 
 // Package jaeger contains an OpenTelemetry tracing exporter for Jaeger.
+//
+// Deprecated: This module is no longer supported.
+// OpenTelemetry dropped support for Jaeger exporter in July 2023.
+// Jaeger officially accepts and recommends using OTLP.
+// Use [go.opentelemetry.io/otel/exporters/otlp/otlptrace/otlptracehttp]
+// or [go.opentelemetry.io/otel/exporters/otlp/otlptrace/otlptracegrpc] instead.
 package jaeger // import "go.opentelemetry.io/otel/exporters/jaeger"

exporters/jaeger/go.mod

@@ -1,3 +1,8 @@
+// Deprecated: This module is no longer supported.
+// OpenTelemetry dropped support for Jaeger exporter in July 2023.
+// Jaeger officially accepts and recommends using OTLP.
+// Use [go.opentelemetry.io/otel/exporters/otlp/otlptrace/otlptracehttp]
+// or [go.opentelemetry.io/otel/exporters/otlp/otlptrace/otlptracegrpc] instead.
 module go.opentelemetry.io/otel/exporters/jaeger
 
 go 1.19