chore: remove references to NexusSemanticLogger::ResponseCodeStatsMiddleware

README.md

@@ -10,7 +10,6 @@ As well as providing a semantic logger, this gem handles datadog telemetry assoc
 * traces
 * metrics
     * statsd is automatically attached to datadog runtime metrics and may also be used for custom metrics.
-    * `ResponseCodeStatsMiddleware` is included to capture response code metrics from rack applications
 
 ### Customise log level per logger
 
@@ -61,13 +60,6 @@ For example, to increment a count:
 NexusSemanticLogger.metrics.increment('nexus.users.registration.complete')
 ```
 
-### Rack response code metrics
-This can be configured with a middleware in application.rb
-
-```
-config.middleware.use ResponseCodeStatsMiddleware
-```
-
 # Local gem development
 
 Steps to run this gem from local sources in one the nexus 'staged build' rails components:

lib/puma/plugin/nexus_puma_statsd.rb

@@ -164,14 +164,6 @@ Puma::Plugin.create do
         NexusSemanticLogger.metrics.gauge('puma.pool_capacity', stats.pool_capacity, tags: tags)
         NexusSemanticLogger.metrics.gauge('puma.max_threads', stats.max_threads, tags: tags)
         NexusSemanticLogger.metrics.count('puma.requests_count', stats.requests_count, tags: tags)
-
-        NexusSemanticLogger::ResponseCodeStatsMiddleware.read_and_reset_metrics.each do |code, count|
-          NexusSemanticLogger.metrics.count(
-            "puma.rack.response.status",
-            count,
-            tags: tags + ["response_status:#{code}"]
-          )
-        end
       rescue StandardError => e
         @log_writer.unknown_error(e, nil, '! statsd: notify stats failed')
       ensure