Remove feature flag for creating pipelines in Sidekiq

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app/services/merge_requests/after_create_service.rb

@@ -6,11 +6,8 @@ module MergeRequests
       event_service.open_mr(merge_request, current_user)
       notification_service.new_merge_request(merge_request, current_user)
 
-      # https://gitlab.com/gitlab-org/gitlab/issues/208813
-      if ::Feature.enabled?(:create_merge_request_pipelines_in_sidekiq, project)
-        create_pipeline_for(merge_request, current_user)
-        merge_request.update_head_pipeline
-      end
+      create_pipeline_for(merge_request, current_user)
+      merge_request.update_head_pipeline
 
       merge_request.diffs(include_stats: false).write_cache
       merge_request.create_cross_references!(current_user)

app/services/merge_requests/create_service.rb

@@ -21,12 +21,6 @@ module MergeRequests
       todo_service.new_merge_request(issuable, current_user)
       issuable.cache_merge_request_closes_issues!(current_user)
 
-      # https://gitlab.com/gitlab-org/gitlab/issues/208813
-      unless ::Feature.enabled?(:create_merge_request_pipelines_in_sidekiq, project)
-        create_pipeline_for(issuable, current_user)
-        issuable.update_head_pipeline
-      end
-
       Gitlab::UsageDataCounters::MergeRequestCounter.count(:create)
       link_lfs_objects(issuable)
 

changelogs/unreleased/remove-pipelines-in-sidekiq-flag.yml

+---
+title: Create merge request pipelines in background jobs
+merge_request: 28024
+author:
+type: performance

spec/services/merge_requests/after_create_service_spec.rb

@@ -53,19 +53,5 @@ describe MergeRequests::AfterCreateService do
 
       after_create_service.execute(merge_request)
     end
-
-    # https://gitlab.com/gitlab-org/gitlab/issues/208813
-    context 'when the create_merge_request_pipelines_in_sidekiq flag is disabled' do
-      before do
-        stub_feature_flags(create_merge_request_pipelines_in_sidekiq: false)
-      end
-
-      it 'does not create a pipeline or update the HEAD pipeline' do
-        expect(after_create_service).not_to receive(:create_pipeline_for)
-        expect(merge_request).not_to receive(:update_head_pipeline)
-
-        after_create_service.execute(merge_request)
-      end
-    end
   end
 end

spec/services/merge_requests/create_service_spec.rb

@@ -129,22 +129,6 @@ describe MergeRequests::CreateService, :clean_gitlab_redis_shared_state do
         end
       end
 
-      # https://gitlab.com/gitlab-org/gitlab/issues/208813
-      context 'when the create_merge_request_pipelines_in_sidekiq flag is disabled' do
-        before do
-          stub_feature_flags(create_merge_request_pipelines_in_sidekiq: false)
-        end
-
-        it 'creates a pipeline and updates the HEAD pipeline' do
-          expect(service).to receive(:create_pipeline_for)
-          expect_next_instance_of(MergeRequest) do |merge_request|
-            expect(merge_request).to receive(:update_head_pipeline)
-          end
-
-          service.execute
-        end
-      end
-
       context 'when head pipelines already exist for merge request source branch', :sidekiq_inline do
         let(:shas) { project.repository.commits(opts[:source_branch], limit: 2).map(&:id) }
         let!(:pipeline_1) { create(:ci_pipeline, project: project, ref: opts[:source_branch], project_id: project.id, sha: shas[1]) }