GovukAppConfig silences OpenTelemetry log output when running a rake …

…task

CHANGELOG.md

@@ -1,3 +1,7 @@
+# Unreleased
+
+* GovukAppConfig silences OpenTelemetry log output when running a rake task ([#311](https://github.com/alphagov/govuk_app_config/pull/311))
+
 # 9.0.4
 
 * Fix an issue with Rails.logger being not an instance of ActiveSupport::Logger. Rails expects Rails.logger to have methods that Ruby STD Logger does not provide. e.g. `silence()` ([#309](https://github.com/alphagov/govuk_app_config/pull/309))
@@ -36,7 +40,7 @@
 
 # 8.0.1
 
-* Change the "source" field in Rails logs from logstasher from string representing IP host address to an empty object. 
+* Change the "source" field in Rails logs from logstasher from string representing IP host address to an empty object.
 
 # 8.0.0
 

lib/govuk_app_config/railtie.rb

@@ -11,6 +11,11 @@ class Railtie < Rails::Railtie
     initializer "govuk_app_config.configure_open_telemetry" do |app|
       unless Rails.const_defined?(:Console)
         GovukOpenTelemetry.configure(app.class.module_parent_name.underscore)
+        if Rails.const_defined?(:Rake) && Rake.application.top_level_tasks.any?
+          OpenTelemetry::SDK.configure do |c|
+            c.logger = Logger.new(File::NULL)
+          end
+        end
       end
     end