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feat(proxy): add request IDs, tracing spans, and observability hooks

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Generate UUID v4 request IDs per request, create manual tracing spans
(Pingora types don't impl Debug), record Prometheus metrics for
detection decisions and request totals, and forward X-Request-Id to
both upstream requests and downstream responses.

Signed-off-by: Sienna Meridian Satterwhite <sienna@sunbeam.pt>
This commit is contained in:
Sienna Meridian Satterwhite
2026-03-10 23:38:20 +00:00
parent 1ae185b5a5
commit 0fd10110ff
3 changed files with 283 additions and 6 deletions
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205
Cargo.lock generated
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@@ -1038,6 +1038,12 @@ version = "1.0.7"
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"uuid",
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[[package]]
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