feat(asgi): respect suppress_http_instrumentation in ASGI middleware#4375
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xrmx merged 5 commits intoopen-telemetry:mainfrom Apr 3, 2026
Merged
feat(asgi): respect suppress_http_instrumentation in ASGI middleware#4375xrmx merged 5 commits intoopen-telemetry:mainfrom
xrmx merged 5 commits intoopen-telemetry:mainfrom
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Add is_http_instrumentation_enabled() check in OpenTelemetryMiddleware.__call__ so ASGI server spans are skipped when HTTP instrumentation is suppressed. Every other HTTP instrumentor (client and server) already honors this flag. ASGI was the only one that did not.
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tammy-baylis-swi
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Lgtm! Other approvers will have a look
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Awesome, thanks! @tammy-baylis-swi |
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*Description of changes:* - Suppress redundant HTTP/ASGI spans on MCP client and server by default - Patch `OpenTelemetryMiddleware.__call__` to respect `suppress_http_instrumentation` context note: SHOULD remove this patch once open-telemetry/opentelemetry-python-contrib#4375 is merged - Skip creating MCP spans for initialize and notifications/initialized handshake messages - Introduce `OTEL_MCP_SUPPRESS_HTTP_INSTRUMENTATION` env var, defaults to true <img width="1038" height="546" alt="image" src="https://github.com/user-attachments/assets/d6f0254a-3b4f-4d46-bb32-424d6fee12b3" /> By submitting this pull request, I confirm that you can use, modify, copy, and redistribute this contribution, under the terms of your choice.
xrmx
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Apr 1, 2026
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Description
ASGI OpenTelemetryMiddleware should respect the
suppress_http_instrumentationcontext and skip server span creation when HTTP instrumentation is suppressed.parities the same feature in aiohttp-server: https://github.com/open-telemetry/opentelemetry-python-contrib/blob/main/instrumentation/opentelemetry-instrumentation-aiohttp-server/src/opentelemetry/instrumentation/aiohttp_server/__init__.py#L446
What changed:
Fixes #4376
Type of change
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How Has This Been Tested?
Please describe the tests that you ran to verify your changes. Provide instructions so we can reproduce. Please also list any relevant details for your test configuration
Does This PR Require a Core Repo Change?
Checklist:
See contributing.md for styleguide, changelog guidelines, and more.