ci: add weaver live-check workflow for SDK self-observability metrics#3565
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ci: add weaver live-check workflow for SDK self-observability metrics#3565cijothomas wants to merge 6 commits into
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- Switch LoggerProvider from OTLP to InMemoryLogExporter so app log records don't reach weaver (they carry app-specific attributes that aren't in the semconv registry). Logs still flow through the BLP, exercising otel.sdk.log.created and otel.sdk.processor.log.processed. - Add 'Print live-check findings' step that parses the JSON report and prints violations as ::error:: annotations directly in the CI log.
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Towards #3553.
Adds a
weaver registry live-checkCI workflow that validates SDK self-observability metrics (otel.sdk.log.created,otel.sdk.processor.log.processed, exporter metrics, etc.) against the upstream semantic conventions registry on every PR that touches the SDK or OTLP exporter.Changes
.github/workflows/sdk-self-observability.ymlusing the upstreamweaver-live-check-{start,stop}composite actions (v0.24.0). Validates against semconv v1.42.0.fail-on: violation.examples/self-obs-live-check/— purpose-built binary that creates a LoggerProvider with BatchLogProcessor + OTLP gRPC exporter, emits log records, waits for the periodic metric export, and shuts down cleanly. This exercises the SDK's self-obs metrics end-to-end.Pattern
Follows the same approach as opentelemetry-rust-contrib#613 (tower instrumentation live-check): no in-tree registry, validates directly against the published upstream semconv, uses a dedicated app as the telemetry source.
Not yet a required status check
The workflow runs on PR/push/merge_group but is not in the required checks list. Promote once the gate is proven stable, consistent with the staged rollout used in otel-arrow.