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fix(cohttp): use correct scope for traceparent header

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This commit is contained in:
Matt Bray 2022-03-24 22:06:02 +00:00
parent 82bcebbb89
commit 5e8affe508
1 changed files with 7 additions and 13 deletions
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12
src/integrations/cohttp/opentelemetry_cohttp_lwt.ml
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@ -162,17 +162,11 @@ let client ?(scope : Otel.Trace.scope option) (module C : Cohttp_lwt.S.Client)
let attrs = attrs_for ~uri ~meth () in
(trace_id, parent, attrs)
let add_traceparent headers =
match scope with
| None -> headers
| Some scope ->
let add_traceparent (scope : Otel.Trace.scope) headers =
let module Traceparent = Otel.Trace_context.Traceparent in
let headers = match headers with | None -> Header.init () | Some headers -> headers in
let headers =
Header.add headers Traceparent.name
(Traceparent.to_value ~trace_id:scope.trace_id ~parent_id:scope.span_id ())
in
Some headers
let call ?ctx ?headers ?body ?chunked meth (uri : Uri.t) : (Response.t * Cohttp_lwt.Body.t) Lwt.t =
let (trace_id, parent, attrs) = context_for ~uri ~meth in
@ -182,8 +176,8 @@ let client ?(scope : Otel.Trace.scope option) (module C : Cohttp_lwt.S.Client)
?parent
~attrs
(fun scope ->
let headers = add_traceparent headers in
let* (res, body) = C.call ?ctx ?headers ?body ?chunked meth uri in
let headers = add_traceparent scope headers in
let* (res, body) = C.call ?ctx ~headers ?body ?chunked meth uri in
Otel.Trace.add_attrs scope (fun () ->
let code = Response.status res in
let code = Code.code_of_status code in