fix steep checks

Author: mabdinur

Steepfile

@@ -158,8 +158,6 @@ target :datadog do
   ignore 'lib/datadog/opentelemetry/api/context.rb'
   ignore 'lib/datadog/opentelemetry/api/trace/span.rb'
   ignore 'lib/datadog/opentelemetry/sdk/configurator.rb'
-  ignore 'lib/datadog/opentelemetry/sdk/exporter.rb'
-  ignore 'lib/datadog/opentelemetry/sdk/metrics_exporter.rb'
   ignore 'lib/datadog/opentelemetry/sdk/id_generator.rb'
   ignore 'lib/datadog/opentelemetry/sdk/propagator.rb'
   ignore 'lib/datadog/opentelemetry/sdk/span_processor.rb'

lib/datadog/opentelemetry/sdk/metrics_exporter.rb

@@ -16,14 +16,14 @@ def initialize(endpoint:, timeout:, headers:, protocol:)
         end
 
         def export(metrics, timeout: nil)
-          telemetry.inc('tracers', METRIC_EXPORT_ATTEMPTS, 1, tags: @telemetry_tags)
+          telemetry&.inc('tracers', METRIC_EXPORT_ATTEMPTS, 1, tags: @telemetry_tags)
           result = super
           metric_name = (result == 0) ? METRIC_EXPORT_SUCCESSES : METRIC_EXPORT_FAILURES
-          telemetry.inc('tracers', metric_name, 1, tags: @telemetry_tags)
+          telemetry&.inc('tracers', metric_name, 1, tags: @telemetry_tags)
           result
         rescue => e
           Datadog.logger.error("Failed to export OpenTelemetry Metrics:  #{e.class}: #{e}")
-          telemetry.inc('tracers', METRIC_EXPORT_FAILURES, 1, tags: @telemetry_tags)
+          telemetry&.inc('tracers', METRIC_EXPORT_FAILURES, 1, tags: @telemetry_tags)
           raise
         end
 

sig/datadog/opentelemetry/metrics.rbs

@@ -13,7 +13,7 @@ module Datadog
 
       def create_resource: () -> untyped
 
-      def configure_metric_reader: (untyped provider) -> void
+      def configure_metric_reader: (::OpenTelemetry::SDK::Metrics::MeterProvider provider) -> void
 
       def resolve_metrics_endpoint: () -> ::String
 

sig/datadog/opentelemetry/sdk/metrics_exporter.rbs

@@ -1,9 +1,7 @@
 module Datadog
   module OpenTelemetry
     module SDK
-      # Inherits from ::OpenTelemetry::Exporter::OTLP::Metrics::MetricsExporter
-      # but parent class type is not available in RBS
-      class MetricsExporter
+      class MetricsExporter < ::OpenTelemetry::Exporter::OTLP::Metrics::MetricsExporter
         @telemetry_tags: ::Hash[::String, ::String]
 
         METRIC_EXPORT_ATTEMPTS: "otel.metrics_export_attempts"
@@ -12,7 +10,7 @@ module Datadog
 
         METRIC_EXPORT_FAILURES: "otel.metrics_export_failures"
 
-        def initialize: (endpoint: ::String, timeout: ::Float, headers: ::Hash[untyped, untyped], protocol: ::String) -> untyped
+        def initialize: (endpoint: ::String, timeout: ::Float, headers: ::Hash[::String, any], protocol: ::String) -> void
 
         def export: (untyped metrics, ?timeout: ::Float?) -> Integer