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chore: add autoinstrumentation image for apm-ruby - #315
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🟡 Changes recommended
Missing logger load-path support and incompatible native extensions in musl-based containers can prevent instrumentation from initializing.
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What changed in this PR
Adds an OpenTelemetry Operator injection image for the SolarWinds APM Ruby gem, enabling Kubernetes auto-instrumentation without adding the agent to application bundles.
Changes:
- Adds the image build and bootstrap that loads the agent after
Bundler.require. - Adds a manually triggered, multi-architecture publication workflow using the released gem version.
- Documents setup and upstream differences, and updates RuboCop CI to Ruby 3.3.
| File | Description |
|---|---|
| README.md | Introduces Kubernetes auto-instrumentation setup. |
| docker/README.md | Documents bootstrap behavior and upstream differences. |
| docker/Gemfile | Selects the released agent gem for the image. |
| docker/Dockerfile | Builds and packages gems for operator injection. |
| docker/autoinstrumentation.rb | Injects gem paths and initializes the agent through Bundler. |
| .github/workflows/rubocop-analysis.yml | Updates the lint runtime to Ruby 3.3. |
| .github/workflows/publish-autoinstrumentation-ruby.yml | Publishes versioned, multi-architecture images to GHCR. |
Review effort: Balanced
cheempz
approved these changes
Oct 30, 2026
cheempz
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LGTM, would be good if can be retested with operator instrumentation of an Alpine container app.
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Yeah, tested with operator for alpine build |
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Description
Duplicate the autoinstrumentation script from upstream and replace it with apm-ruby.
The workflow will create the image listed in
ghcr.io/solarwinds/apm-ruby/autoinstrumentation-ruby.Test (if applicable)
Tested with latest otel operator release (0.162.0).
Sample trace.