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add status to spans

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Simon Cruanes 2022-03-18 16:35:30 -04:00
parent 898b62aeb7
commit 958d79c875
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1 changed files with 38 additions and 5 deletions
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43
src/opentelemetry.ml
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@ -176,6 +176,16 @@ module Span : sig
| Span_kind_producer
| Span_kind_consumer
type nonrec status_code = status_status_code =
| Status_code_unset
| Status_code_ok
| Status_code_error
type nonrec status = status = {
message: string;
code: status_code;
}
val id : t -> Span_id.t
type key_value = string * [`Int of int | `String of string | `Bool of bool | `None]
@ -186,6 +196,7 @@ module Span : sig
?trace_state:string ->
?service_name:string ->
?attrs:key_value list ->
?status:status ->
trace_id:Trace_id.t ->
?parent:id ->
?links:(Trace_id.t * Span_id.t * string) list ->
@ -203,8 +214,6 @@ end = struct
type t = span
type id = Span_id.t
let id self = Span_id.of_bytes self.span_id
type nonrec kind = span_span_kind =
| Span_kind_unspecified
| Span_kind_internal
@ -215,12 +224,26 @@ end = struct
type key_value = string * [`Int of int | `String of string | `Bool of bool | `None]
type nonrec status_code = status_status_code =
| Status_code_unset
| Status_code_ok
| Status_code_error
type nonrec status = status = {
message: string;
code: status_code;
}
let id self = Span_id.of_bytes self.span_id
let create
?(kind=Span_kind_unspecified)
?(id=Span_id.create())
?trace_state
?service_name
?(attrs=[])
?status
~trace_id ?parent ?(links=[])
~start_time ~end_time
name : t * id =
@ -262,7 +285,7 @@ end = struct
~trace_id ?parent_span_id
~span_id:(Span_id.to_bytes id)
~attributes
?trace_state
?trace_state ~status
~kind ~name ~links
~start_time_unix_nano:start_time
~end_time_unix_nano:end_time
@ -293,16 +316,26 @@ module Trace = struct
name (f:Trace_id.t * Span_id.t -> 'a) : 'a =
let start_time = Timestamp_ns.now_unix_ns() in
let span_id = Span_id.create() in
let finally() =
let finally ok =
let status = match ok with
| Ok () -> default_status ~code:Status_code_ok ()
| Error e -> default_status ~code:Status_code_error ~message:e () in
let span, _ =
Span.create
?kind ~trace_id ?parent ?links ~id:span_id
?trace_state ?service_name ?attrs
~start_time ~end_time:(Timestamp_ns.now_unix_ns())
~status
name in
emit [span];
in
Fun.protect ~finally (fun () -> f (trace_id,span_id))
try
let x = f (trace_id,span_id) in
finally (Ok ());
x
with e ->
finally (Error (Printexc.to_string e));
raise e
end
(** Metrics.