Log when build is dropped due to CI minutes exceeded

Changelog: added

ee/app/services/ci/minutes/track_live_consumption_service.rb

@@ -28,6 +28,13 @@ module Ci
           build.drop(:ci_quota_exceeded)
           metrics.ci_minutes_exceeded_builds_counter.increment
 
+          ::Gitlab::AppLogger.info(
+            message: 'Build dropped due to CI minutes limit exceeded',
+            project_path: build.project.full_path,
+            build_id: build.id,
+            user_id: build.user_id
+          )
+
           ServiceResponse.success(message: 'Build dropped due to CI minutes limit exceeded', payload: { current_balance: new_balance })
         else
           ServiceResponse.success(message: 'CI minutes limit not exceeded', payload: { current_balance: new_balance })

ee/changelogs/unreleased/log-job-failures-when-ci-minutes-exceeded.yml

+---
+title: Log when build is dropped due to CI minutes exceeded
+merge_request: 61381
+author:
+type: added

ee/spec/services/ci/minutes/track_live_consumption_service_spec.rb

@@ -49,6 +49,16 @@ RSpec.describe Ci::Minutes::TrackLiveConsumptionService do
 
         expect(service.live_consumption.to_i).to eq(minutes_consumption)
       end
+
+      it 'logs event' do
+        expect(Gitlab::AppLogger).to receive(:info).with(
+          message: 'Build dropped due to CI minutes limit exceeded',
+          project_path: project.full_path,
+          build_id: build.id,
+          user_id: build.user_id)
+
+        subject
+      end
     end
 
     context 'when build is not running' do