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feat otel.trace: use "otel.error" to influence a span status

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Simon Cruanes 2024-09-30 14:14:41 -04:00
parent 461811a2cb
commit 420ad5484e
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1 changed files with 6 additions and 1 deletions
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src/trace/opentelemetry_trace.ml
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@ -41,6 +41,11 @@ module Well_known = struct
data data
in in
!kind, data !kind, data
(** Key to store an error [Otel.Span.status] with the message.
Set ["otrace.error" = "mymsg"] in a span data to set the span's status
to [{message="mymsg"; code=Error}]. *)
let status_error_key = "otrace.error"
end end
open Well_known open Well_known
@ -145,7 +150,7 @@ module Internal = struct
let kind, attrs = otel_attrs_of_otrace_data scope.attrs in let kind, attrs = otel_attrs_of_otrace_data scope.attrs in
let status : Span.status = let status : Span.status =
match List.assoc_opt "exception.message" scope.attrs with match List.assoc_opt Well_known.status_error_key scope.attrs with
| Some (`String message) -> { message; code = Span.Status_code_error } | Some (`String message) -> { message; code = Span.Status_code_error }
| _ -> { message = ""; code = Span.Status_code_ok } | _ -> { message = ""; code = Span.Status_code_ok }
in in