Swap FK ci_job_token_project_scope_links to projects for LFK

Swaps FK for ci_job_token_project_scope_links.source_project_id to projects

Changelog: changed

db/post_migrate/20220124215857_remove_projects_ci_job_token_project_scope_links_source_project_id_fk.rb

+# frozen_string_literal: true
+
+class RemoveProjectsCiJobTokenProjectScopeLinksSourceProjectIdFk < Gitlab::Database::Migration[1.0]
+  disable_ddl_transaction!
+
+  def up
+    return unless foreign_key_exists?(:ci_job_token_project_scope_links, :projects, name: "fk_rails_4b2ee3290b")
+
+    with_lock_retries do
+      execute('LOCK projects, ci_job_token_project_scope_links IN ACCESS EXCLUSIVE MODE') if transaction_open?
+
+      remove_foreign_key_if_exists(:ci_job_token_project_scope_links, :projects, name: "fk_rails_4b2ee3290b")
+    end
+  end
+
+  def down
+    add_concurrent_foreign_key(:ci_job_token_project_scope_links, :projects, name: "fk_rails_4b2ee3290b", column: :source_project_id, target_column: :id, on_delete: :cascade)
+  end
+end

db/schema_migrations/20220124215857

+785c2404175faef7d3d6f81ae8652ca0ced0f4b01def8d6364a4450f0db49ecf
\ No newline at end of file

db/structure.sql

@@ -30467,9 +30467,6 @@ ALTER TABLE ONLY user_custom_attributes
 ALTER TABLE ONLY upcoming_reconciliations
     ADD CONSTRAINT fk_rails_497b4938ac FOREIGN KEY (namespace_id) REFERENCES namespaces(id) ON DELETE CASCADE;
 
-ALTER TABLE ONLY ci_job_token_project_scope_links
-    ADD CONSTRAINT fk_rails_4b2ee3290b FOREIGN KEY (source_project_id) REFERENCES projects(id) ON DELETE CASCADE;
-
 ALTER TABLE ONLY group_deletion_schedules
     ADD CONSTRAINT fk_rails_4b8c694a6c FOREIGN KEY (group_id) REFERENCES namespaces(id) ON DELETE CASCADE;
 

lib/gitlab/database/gitlab_loose_foreign_keys.yml

@@ -31,6 +31,9 @@ ci_job_token_project_scope_links:
   - table: users
     column: added_by_id
     on_delete: async_nullify
+  - table: projects
+    column: source_project_id
+    on_delete: async_delete
 ci_daily_build_group_report_results:
   - table: namespaces
     column: group_id

spec/lib/gitlab/database/no_cross_db_foreign_keys_spec.rb

@@ -19,7 +19,6 @@ RSpec.describe 'cross-database foreign keys' do
       ci_freeze_periods.project_id
       ci_job_artifacts.project_id
       ci_job_token_project_scope_links.added_by_id
-      ci_job_token_project_scope_links.source_project_id
       ci_job_token_project_scope_links.target_project_id
       ci_pending_builds.namespace_id
       ci_pending_builds.project_id

spec/models/ci/job_token/project_scope_link_spec.rb

@@ -88,4 +88,11 @@ RSpec.describe Ci::JobToken::ProjectScopeLink do
       it { is_expected.to be_nil }
     end
   end
+
+  context 'loose foreign key on ci_job_token_project_scope_links.source_project_id' do
+    it_behaves_like 'cleanup by a loose foreign key' do
+      let!(:parent) { create(:project) }
+      let!(:model) { create(:ci_job_token_project_scope_link, source_project: parent) }
+    end
+  end
 end