Add boot42-otel module: Spring Boot 4.2.0-RC1 OpenTelemetry conventions, shared OTLP settings and MDC keys vs 4.1.2

2026-10-22 18:37:10 +00:00
parent 917d39fb65
commit 8252cba4c5
29 changed files with 958 additions and 0 deletions
@@ -0,0 +1,10 @@
+# 03-signal-specific-overrides-shared  (Spring Boot 4.2.0-RC1, JDK 25)
+shared endpoint                          = <sink>
+tracing.export.otlp.endpoint             = <sink>/custom/spans
+shared header Authorization              = Bearer shared-token
+shared header X-Shared                   = shared-only
+tracing.export.otlp.headers.Authorization = Bearer traces-token
+
+requests that reached the sink:
+  POST /custom/spans  Authorization=Bearer traces-token  X-Shared=shared-only
+  POST /v1/metrics    Authorization=Bearer shared-token  X-Shared=shared-only