Use applogger in config/*

changelogs/unreleased/app-logger-2.yml

+---
+title: Use applogger in config/initializers/*
+merge_request: 41047
+author: Rajendra Kadam
+type: other

config/initializers/7_prometheus_metrics.rb

@@ -16,7 +16,7 @@ def prometheus_default_multiproc_dir
 end
 
 Prometheus::Client.configure do |config|
-  config.logger = Rails.logger # rubocop:disable Gitlab/RailsLogger
+  config.logger = Gitlab::AppLogger
 
   config.initial_mmap_file_size = 4 * 1024
 

config/initializers/active_record_lifecycle.rb

@@ -7,7 +7,7 @@ if defined?(ActiveRecord::Base) && !Gitlab::Runtime.sidekiq?
     ActiveSupport.on_load(:active_record) do
       ActiveRecord::Base.establish_connection
 
-      Rails.logger.debug("ActiveRecord connection established") # rubocop:disable Gitlab/RailsLogger
+      Gitlab::AppLogger.debug("ActiveRecord connection established")
     end
   end
 end
@@ -20,6 +20,6 @@ if defined?(ActiveRecord::Base)
     # as there's no need for the master process to hold a connection
     ActiveRecord::Base.connection.disconnect!
 
-    Rails.logger.debug("ActiveRecord connection disconnected") # rubocop:disable Gitlab/RailsLogger
+    Gitlab::AppLogger.debug("ActiveRecord connection disconnected")
   end
 end

config/initializers/deprecations.rb

@@ -2,7 +2,7 @@ if Rails.env.development? || ENV['GITLAB_LEGACY_PATH_LOG_MESSAGE']
   deprecator = ActiveSupport::Deprecation.new('11.0', 'GitLab')
 
   deprecator.behavior = -> (message, callstack) {
-    Rails.logger.warn("#{message}: #{callstack[1..20].join}") # rubocop:disable Gitlab/RailsLogger
+    Gitlab::AppLogger.warn("#{message}: #{callstack[1..20].join}")
   }
 
   ActiveSupport::Deprecation.deprecate_methods(Gitlab::GitalyClient::StorageSettings, :legacy_disk_path, deprecator: deprecator)

config/initializers/forbid_sidekiq_in_transactions.rb

@@ -28,7 +28,7 @@ module Sidekiq
                 Use an `after_commit` hook, or include `AfterCommitQueue` and use a `run_after_commit` block instead.
                 MSG
               rescue Sidekiq::Worker::EnqueueFromTransactionError => e
-                ::Rails.logger.error(e.message) if ::Rails.env.production?
+                Gitlab::AppLogger.error(e.message) if ::Rails.env.production?
                 Gitlab::ErrorTracking.track_and_raise_for_dev_exception(e)
               end
             end

config/initializers/sidekiq.rb

@@ -70,7 +70,7 @@ Sidekiq.configure_server do |config|
       cron_jobs[k]['class'] = cron_jobs[k].delete('job_class')
     else
       cron_jobs.delete(k)
-      Rails.logger.error("Invalid cron_jobs config key: '#{k}'. Check your gitlab config file.") # rubocop:disable Gitlab/RailsLogger
+      Gitlab::AppLogger.error("Invalid cron_jobs config key: '#{k}'. Check your gitlab config file.")
     end
   end
   Sidekiq::Cron::Job.load_from_hash! cron_jobs