Trace (opentelemetry-lwt.Opentelemetry

include module type of struct include Opentelemetry.Trace end

Traces.

type span = Opentelemetry.Span.t

val make_resource_spans : 
  ?service_name:string ->
  ?attrs:
    (string * [< `Bool of bool | `Int of int | `None | `String of string ])
      list ->
  Opentelemetry.Proto.Trace.span list ->
  Opentelemetry.Proto.Trace.resource_spans

val emit : 
  ?service_name:string ->
  ?attrs:
    (string * [< `Bool of bool | `Int of int | `None | `String of string ])
      list ->
  span list ->
  unit

Sync emitter.

This instructs the collector to forward the spans to some backend at a later point.

NOTE be careful not to call this inside a Gc alarm, as it can cause deadlocks.

type scope = Opentelemetry.Scope.t = {

trace_id : Opentelemetry.Trace_id.t;

span_id : Opentelemetry.Span_id.t;

mutable events : Opentelemetry.Event.t list;

mutable attrs : Opentelemetry.Span.key_value list;

}

val add_event : 
  Opentelemetry.Scope.t ->
  ( unit -> Opentelemetry.Event.t ) ->
  unit

val add_attrs : 
  Opentelemetry.Scope.t ->
  ( unit -> Opentelemetry.key_value list ) ->
  unit

val with_ : 
  ?trace_state:string ->
  ?service_name:string ->
  ?attrs:Opentelemetry.Span.key_value list ->
  ?kind:Span.kind ->
  ?trace_id:Trace_id.t ->
  ?parent:Span.id ->
  ?scope:scope ->
  ?links:Opentelemetry.Span_link.t list ->
  string ->
  ( Opentelemetry.Scope.t -> 'a Lwt.t ) ->
  'a Lwt.t

Sync span guard