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globals: add sdk name+vesion to resource attributes

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Simon Cruanes 2026-03-06 11:32:26 -05:00
parent ba264c7094
commit e0560ac730
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1 changed files with 18 additions and 1 deletions
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19
src/lib/globals.ml
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@ -20,8 +20,13 @@ let service_instance_id = ref None
@since 0.12 *)
let service_version = ref None
let sdk_name = "ocaml-otel"
(** @since NEXT_RELEASE *)
let sdk_version : string = Version.(spf "%s at %s" version git_hash)
let instrumentation_library =
make_instrumentation_scope ~version:"%%VERSION_NUM%%" ~name:"ocaml-otel" ()
make_instrumentation_scope ~version:sdk_version ~name:sdk_name ()
(** Global attributes, initially set via OTEL_RESOURCE_ATTRIBUTES and modifiable
by the user code. They will be attached to each outgoing metrics/traces. *)
@ -58,6 +63,15 @@ open struct
]
let runtime_attributes_converted = List.map Key_value.conv runtime_attributes
let sdk_attributes =
[
(* "telemetry.sdk.language", `String "ocaml"; *)
"telemetry.sdk.name", `String sdk_name;
"telemetry.sdk.version", `String sdk_version;
]
let sdk_attributes_converted = List.map Key_value.conv sdk_attributes
end
(** Attributes about the OCaml runtime. See
@ -65,9 +79,12 @@ end
*)
let[@inline] get_runtime_attributes () = runtime_attributes
(** Build main global attributes, to be used in resource attributes (shared by
all spans/metrics/logs in each outgoing batch) *)
let mk_attributes ?(service_name = !service_name) ?(attrs = []) () : _ list =
let l = List.rev_map Key_value.conv attrs in
let l = List.rev_append runtime_attributes_converted l in
let l = List.rev_append sdk_attributes_converted l in
let l =
make_key_value ~key:Conventions.Attributes.Service.name
~value:(String_value service_name) ()