chore: archive ruby kafka instrumentation

.github/workflows/ci-instrumentation-with-services.yml

@@ -18,7 +18,6 @@ on:
       - "instrumentation/rdkafka/**"
       - "instrumentation/redis/**"
       - "instrumentation/resque/**"
-      - "instrumentation/ruby_kafka/**"
       - "instrumentation/sidekiq/**"
       - "instrumentation/trilogy/**"
       - ".github/workflows/ci-instrumentation-with-services.yml"
@@ -146,7 +145,6 @@ jobs:
         gem:
           - racecar
           - rdkafka
-          - ruby_kafka
         os:
           - ubuntu-latest
     name: kafka / ${{ matrix.gem }} / ${{ matrix.os }}

.toys/.data/releases.yml

@@ -230,10 +230,6 @@ gems:
     directory: instrumentation/rspec
     version_constant: [OpenTelemetry, Instrumentation, RSpec, VERSION]
 
-  - name: opentelemetry-instrumentation-ruby_kafka
-    directory: instrumentation/ruby_kafka
-    version_constant: [OpenTelemetry, Instrumentation, RubyKafka, VERSION]
-
   - name: opentelemetry-instrumentation-sidekiq
     directory: instrumentation/sidekiq
     version_constant: [OpenTelemetry, Instrumentation, Sidekiq, VERSION]

instrumentation/CONTRIBUTING.md

@@ -303,7 +303,6 @@ instrumentation_kafka:
       gem:
         - racecar
         - rdkafka
-        - ruby_kafka
         - werewolf
       os:
         - ubuntu-latest

instrumentation/README.md

@@ -45,6 +45,15 @@ Should you need to instrument an _older_ version of a library you will have to e
 
 Please review the individual instrumentation READMEs for more information about version compatibility.
 
+### Archived instrumentations
+
+Some instrumentations target dependencies that are no longer maintained. These
+codebases remain in `instrumentation/archive` for reference, but they are not
+released alongside the actively maintained gems.
+
+- [`ruby_kafka`](archive/ruby_kafka): archived in February 2026 after the upstream
+  `ruby-kafka` client was deprecated.
+
 ## How can I get involved?
 
 The source for all OpenTelemetry Ruby instrumentation gems is [on github](https://github.com/open-telemetry/opentelemetry-ruby-contrib/tree/main/instrumentation).

instrumentation/all/lib/opentelemetry/instrumentation/all.rb

@@ -44,7 +44,6 @@
 require 'opentelemetry-instrumentation-redis'
 require 'opentelemetry-instrumentation-restclient'
 require 'opentelemetry-instrumentation-resque'
-require 'opentelemetry-instrumentation-ruby_kafka'
 require 'opentelemetry-instrumentation-sidekiq'
 require 'opentelemetry-instrumentation-sinatra'
 require 'opentelemetry-instrumentation-trilogy'

instrumentation/all/opentelemetry-instrumentation-all.gemspec

@@ -59,7 +59,6 @@ Gem::Specification.new do |spec|
   spec.add_dependency 'opentelemetry-instrumentation-redis', '~> 0.28.0'
   spec.add_dependency 'opentelemetry-instrumentation-resque', '~> 0.8.0'
   spec.add_dependency 'opentelemetry-instrumentation-restclient', '~> 0.26.0'
-  spec.add_dependency 'opentelemetry-instrumentation-ruby_kafka', '~> 0.24.0'
   spec.add_dependency 'opentelemetry-instrumentation-sidekiq', '~> 0.28.1'
   spec.add_dependency 'opentelemetry-instrumentation-sinatra', '~> 0.28.0'
   spec.add_dependency 'opentelemetry-instrumentation-trilogy', '~> 0.66.0'

instrumentation/archive/README.md

@@ -0,0 +1,7 @@
+# Archived instrumentations
+
+This directory contains instrumentations that are no longer maintained because
+their upstream dependencies have reached end-of-life. The code remains
+available for reference but is excluded from new releases.
+
+- `ruby_kafka` – archived after the upstream `ruby-kafka` gem was deprecated.

instrumentation/ruby_kafka/CHANGELOG.md → instrumentation/archive/ruby_kafka/CHANGELOG.md

@@ -1,5 +1,9 @@
 # Release History: opentelemetry-instrumentation-ruby_kafka
 
+## v0.25.0 / 2026-02-05
+
+* [#1769](https://github.com/open-telemetry/opentelemetry-ruby-contrib/issues/1769) Archive the instrumentation after upstream `ruby-kafka` deprecation.
+
 ### v0.24.0 / 2025-10-22
 
 * BREAKING CHANGE: Min Ruby Version 3.2

instrumentation/ruby_kafka/README.md → instrumentation/archive/ruby_kafka/README.md

@@ -37,7 +37,7 @@ end
 
 ## Examples
 
-Example usage can be seen in the [`./example/ruby_kafka.rb` file](https://github.com/open-telemetry/opentelemetry-ruby-contrib/blob/main/instrumentation/ruby_kafka/example/ruby_kafka.rb)
+Example usage can be seen in the [`./example/ruby_kafka.rb` file](https://github.com/open-telemetry/opentelemetry-ruby-contrib/blob/main/instrumentation/archive/ruby_kafka/example/ruby_kafka.rb)
 
 ## How can I get involved?
 

instrumentation/ruby_kafka/lib/opentelemetry/instrumentation/ruby_kafka/version.rb → instrumentation/archive/ruby_kafka/lib/opentelemetry/instrumentation/ruby_kafka/version.rb

@@ -7,7 +7,7 @@
 module OpenTelemetry
   module Instrumentation
     module RubyKafka
-      VERSION = '0.24.0'
+      VERSION = '0.25.0'
     end
   end
 end

instrumentation/ruby_kafka/opentelemetry-instrumentation-ruby_kafka.gemspec → instrumentation/archive/ruby_kafka/opentelemetry-instrumentation-ruby_kafka.gemspec

@@ -29,7 +29,7 @@ Gem::Specification.new do |spec|
 
   if spec.respond_to?(:metadata)
     spec.metadata['changelog_uri'] = "https://rubydoc.info/gems/#{spec.name}/#{spec.version}/file/CHANGELOG.md"
-    spec.metadata['source_code_uri'] = 'https://github.com/open-telemetry/opentelemetry-ruby-contrib/tree/main/instrumentation/ruby_kafka'
+    spec.metadata['source_code_uri'] = 'https://github.com/open-telemetry/opentelemetry-ruby-contrib/tree/main/instrumentation/archive/ruby_kafka'
     spec.metadata['bug_tracker_uri'] = 'https://github.com/open-telemetry/opentelemetry-ruby-contrib/issues'
     spec.metadata['documentation_uri'] = "https://rubydoc.info/gems/#{spec.name}/#{spec.version}"
   end