record background queue stats in a worker (#5533) [deploy]

app/workers/metrics/record_background_queue_stats_worker.rb

@@ -0,0 +1,10 @@
+module Metrics
+  class RecordBackgroundQueueStatsWorker
+    include Sidekiq::Worker
+    sidekiq_options queue: :low_priority, retry: 10
+
+    def perform
+      Loggers::LogWorkerQueueStats.run
+    end
+  end
+end

lib/tasks/fetch.rake

@@ -113,9 +113,9 @@ task fix_credits_count_cache: :environment do
 end
 
 task record_db_table_counts: :environment do
-  RecordDbTableCountsWorker.perform_async
+  Metrics::RecordDbTableCountsWorker.perform_async
 end
 
 task log_worker_queue_stats: :environment do
-  Loggers::LogWorkerQueueStats.run
+  Metrics::RecordBackgroundQueueStatsWorker.perform_async
 end

spec/workers/metrics/record_background_queue_stats_worker_spec.rb

@@ -0,0 +1,14 @@
+require "rails_helper"
+
+RSpec.describe Metrics::RecordBackgroundQueueStatsWorker, type: :worker do
+  include_examples "#enqueues_on_correct_queue", "low_priority", 1
+
+  describe "#perform" do
+    it "logs estimated counts in Datadog" do
+      allow(Loggers::LogWorkerQueueStats).to receive(:run)
+      described_class.new.perform
+
+      expect(Loggers::LogWorkerQueueStats).to have_received(:run)
+    end
+  end
+end