Redis values for usage ping SQL dump rake task

Review comments

changelogs/unreleased/245277-handle-redis-for-usage-ping-sql-dump-rake-task.yml

+---
+title: Updated gitlab:usage_data:dump_sql_in_yaml rake task with redis usage
+merge_request: 42189
+author:
+type: changed

lib/gitlab/usage_data_queries.rb

@@ -11,6 +11,14 @@ module Gitlab
         raw_sql(relation, column, :distinct)
       end
 
+      def redis_usage_data(counter = nil, &block)
+        if block_given?
+          { redis_usage_data_block: block.to_s }
+        elsif counter.present?
+          { redis_usage_data_counter: counter }
+        end
+      end
+
       private
 
       def raw_sql(relation, column, distinct = nil)

spec/lib/gitlab/usage_data_queries_spec.rb

@@ -18,4 +18,18 @@ RSpec.describe Gitlab::UsageDataQueries do
       expect(described_class.distinct_count(Issue, :author_id)).to eq('SELECT COUNT(DISTINCT "issues"."author_id") FROM "issues"')
     end
   end
+
+  describe '.redis_usage_data' do
+    subject(:redis_usage_data) { described_class.redis_usage_data { 42 } }
+
+    it 'returns a class for redis_usage_data with a counter call' do
+      expect(described_class.redis_usage_data(Gitlab::UsageDataCounters::WikiPageCounter))
+        .to eq(redis_usage_data_counter: Gitlab::UsageDataCounters::WikiPageCounter)
+    end
+
+    it 'returns a stringified block for redis_usage_data with a block' do
+      is_expected.to include(:redis_usage_data_block)
+      expect(redis_usage_data[:redis_usage_data_block]).to start_with('#<Proc:')
+    end
+  end
 end