feat(otel_log_handler): ensure dependencies are started in `adding_ha…

…ndler/1` cb

apps/opentelemetry_experimental/src/otel_log_handler.erl

@@ -156,6 +156,7 @@ start_link(#{reg_name := RegName} = Config) ->
       Config2 :: config_private(),
       Reason :: term().
 adding_handler(#{id := Id}=Config) ->
+    ok = start_apps(),
     RegName = ?name_to_reg_name(?MODULE, Id),
     AtomicRef = atomics:new(3, [{signed, true}]),
     Config1 = Config#{reg_name => RegName,
@@ -374,6 +375,11 @@ terminate(_Reason, State, Data=#data{exporter=Exporter,
 %% Internal functions
 %%--------------------------------------------------------------------
 
+start_apps() ->
+    _ = application:ensure_all_started(opentelemetry_exporter),
+    _ = application:ensure_all_started(opentelemetry_experimental),
+    ok.
+
 start(Id, Config) ->
     ChildSpec =
         #{id       => Id,

rebar.config

@@ -59,12 +59,12 @@
                 opentelemetry_zipkin_pb]}.
 
 
-{dialyzer, [{warnings, [no_unknown]}]}.
+%{dialyzer, [{warnings, [no_unknown]}]}.
 
 {cover_enabled, true}.
 {cover_export_enabled, true}.
 {covertool, [{coverdata_files, ["ct.coverdata"]}]}.
-{cover_excl_apps, [opentelemetry_api_experimental, opentelemetry_experimental]}.
+%{cover_excl_apps, [opentelemetry_api_experimental, opentelemetry_experimental]}.
 {cover_excl_mods, [opentelemetry_exporter_trace_service_pb, opentelemetry_trace_service,
                    opentelemetry_zipkin_pb, opentelemetry_exporter_metrics_service_pb,
                    opentelemetry_exporter_logs_service_pb,