Create Ci::StuckBuilds::DropHelpers

Move the methods that handle the actual dropping of builds out into a
helper module that can be use by many services. this will make the
new per-build-status drop services more concise and consistent.

app/services/ci/stuck_builds/drop_helpers.rb

+# frozen_string_literal: true
+
+module Ci
+  module StuckBuilds
+    module DropHelpers
+      def drop(builds, failure_reason:)
+        fetch(builds) do |build|
+          drop_build :outdated, build, failure_reason
+        end
+      end
+
+      def drop_stuck(builds, failure_reason:)
+        fetch(builds) do |build|
+          break unless build.stuck?
+
+          drop_build :stuck, build, failure_reason
+        end
+      end
+
+      # rubocop: disable CodeReuse/ActiveRecord
+      def fetch(builds)
+        loop do
+          jobs = builds.includes(:tags, :runner, project: [:namespace, :route])
+            .limit(100)
+            .to_a
+
+          break if jobs.empty?
+
+          jobs.each do |job|
+            Gitlab::ApplicationContext.with_context(project: job.project) { yield(job) }
+          end
+        end
+      end
+      # rubocop: enable CodeReuse/ActiveRecord
+
+      def drop_build(type, build, reason)
+        Gitlab::AppLogger.info "#{self.class}: Dropping #{type} build #{build.id} for runner #{build.runner_id} (status: #{build.status}, failure_reason: #{reason})"
+        Gitlab::OptimisticLocking.retry_lock(build, 3, name: 'stuck_ci_jobs_worker_drop_build') do |b|
+          b.drop(reason)
+        end
+      rescue StandardError => ex
+        build.doom!
+
+        track_exception_for_build(ex, build)
+      end
+
+      def track_exception_for_build(ex, build)
+        Gitlab::ErrorTracking.track_exception(ex,
+            build_id: build.id,
+            build_name: build.name,
+            build_stage: build.stage,
+            pipeline_id: build.pipeline_id,
+            project_id: build.project_id
+        )
+      end
+    end
+  end
+end

app/services/ci/stuck_builds/drop_service.rb

@@ -3,6 +3,8 @@
 module Ci
   module StuckBuilds
     class DropService
+      include DropHelpers
+
       BUILD_RUNNING_OUTDATED_TIMEOUT = 1.hour
       BUILD_PENDING_OUTDATED_TIMEOUT = 1.day
       BUILD_SCHEDULED_OUTDATED_TIMEOUT = 1.hour
@@ -55,57 +57,6 @@ module Ci
           BUILD_RUNNING_OUTDATED_TIMEOUT.ago
         )
       end
-
-      def drop(builds, failure_reason:)
-        fetch(builds) do |build|
-          drop_build :outdated, build, failure_reason
-        end
-      end
-
-      def drop_stuck(builds, failure_reason:)
-        fetch(builds) do |build|
-          break unless build.stuck?
-
-          drop_build :stuck, build, failure_reason
-        end
-      end
-
-      # rubocop: disable CodeReuse/ActiveRecord
-      def fetch(builds)
-        loop do
-          jobs = builds.includes(:tags, :runner, project: [:namespace, :route])
-            .limit(100)
-            .to_a
-
-          break if jobs.empty?
-
-          jobs.each do |job|
-            Gitlab::ApplicationContext.with_context(project: job.project) { yield(job) }
-          end
-        end
-      end
-      # rubocop: enable CodeReuse/ActiveRecord
-
-      def drop_build(type, build, reason)
-        Gitlab::AppLogger.info "#{self.class}: Dropping #{type} build #{build.id} for runner #{build.runner_id} (status: #{build.status}, failure_reason: #{reason})"
-        Gitlab::OptimisticLocking.retry_lock(build, 3, name: 'stuck_ci_jobs_worker_drop_build') do |b|
-          b.drop(reason)
-        end
-      rescue StandardError => ex
-        build.doom!
-
-        track_exception_for_build(ex, build)
-      end
-
-      def track_exception_for_build(ex, build)
-        Gitlab::ErrorTracking.track_exception(ex,
-            build_id: build.id,
-            build_name: build.name,
-            build_stage: build.stage,
-            pipeline_id: build.pipeline_id,
-            project_id: build.project_id
-        )
-      end
     end
   end
 end