JinyuChen97 opened a new pull request, #8879:
URL: https://github.com/apache/camel-quarkus/pull/8879
Adds a new Quarkus extension for camel-micrometer-observability, which
bridges Camel's telemetry SPI to Micrometer Tracing (Brave, OpenTelemetry, or
any other backend via the micrometer-tracing bridge API).
Extension (runtime):
- MicrometerObservabilityTracerProducer: CDI @DefaultBean producer that
wires Micrometer Tracer / ObservationRegistry / Propagator CDI beans into
MicrometerObservabilityTracer. Falls back gracefully when beans are absent.
- CamelMicrometerObservabilityConfig: five Quarkus config properties under
quarkus.camel.micrometer-observability — exclude-patterns, include-patterns,
trace-processors, disable-core-processors, trace-headers-inclusion.
Extension (deployment):
- MicrometerObservabilityProcessor: four BuildSteps —
* FeatureBuildItem to register the feature name
* AdditionalBeanBuildItem to keep MicrometerObservabilityTracerProducer
unremovable
* UnremovableBeanBuildItem to keep the Camel Tracer bean alive
* RuntimeInitializedClassBuildItem for SimpleTraceContext to prevent
'Random in image heap' failure during native builds
Integration tests (JVM + Native, 4 tests):
- testSpansAreGeneratedWithValidIds: verifies CDI wiring and that Camel
routes produce spans with well-formed trace/span IDs in native mode
- testExcludePatternsAreApplied: verifies that endpoints matching
exclude-patterns produce no spans
- testConfigPropertiesAreWired: verifies all five config properties are
correctly propagated to MicrometerObservabilityTracer
- testUpstreamW3CTracePropagation: verifies W3C traceparent header is parsed
and the upstream trace ID is preserved on the resulting span
The test backend uses SimpleTracer + a lightweight W3CPropagator to avoid
pulling in the full micrometer-tracing-bridge-otel.
micrometer-tracing-test is added to poms/bom-test for version management.
Co-authored-by: Bob <[email protected]>
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