Re-remove foreign keys on GitLab.com

Some migrations were skipped on GitLab.com
to avoid blocking deployments.

This tries to use regular deployments to not use
change management issues, and mark such migrations
as executed if they fail to acquire lock in time.

Changelog: added

db/post_migrate/20220121214753_re_remove_projects_ci_stages_project_id_fk.rb

+# frozen_string_literal: true
+
+class ReRemoveProjectsCiStagesProjectIdFk < Gitlab::Database::Migration[1.0]
+  disable_ddl_transaction!
+
+  def up
+    return unless foreign_key_exists?(:ci_stages, :projects, name: "fk_2360681d1d")
+
+    with_lock_retries do
+      execute('LOCK projects, ci_stages IN ACCESS EXCLUSIVE MODE') if transaction_open?
+
+      remove_foreign_key_if_exists(:ci_stages, :projects, name: "fk_2360681d1d")
+    end
+  end
+
+  def down
+    # no-op, since the FK will be added via rollback by prior-migration
+  end
+end

db/post_migrate/20220124153234_re_remove_projects_ci_job_artifacts_project_id_fk.rb

+# frozen_string_literal: true
+
+class ReRemoveProjectsCiJobArtifactsProjectIdFk < Gitlab::Database::Migration[1.0]
+  disable_ddl_transaction!
+
+  def up
+    return unless foreign_key_exists?(:ci_job_artifacts, :projects, name: "fk_rails_9862d392f9")
+
+    with_lock_retries do
+      execute('LOCK projects, ci_job_artifacts IN ACCESS EXCLUSIVE MODE') if transaction_open?
+
+      remove_foreign_key_if_exists(:ci_job_artifacts, :projects, name: "fk_rails_9862d392f9")
+    end
+  end
+
+  def down
+    # no-op, since the FK will be added via rollback by prior-migration
+  end
+end

db/post_migrate/20220124180705_re_remove_projects_ci_builds_metadata_project_id_fk.rb

+# frozen_string_literal: true
+
+class ReRemoveProjectsCiBuildsMetadataProjectIdFk < Gitlab::Database::Migration[1.0]
+  disable_ddl_transaction!
+
+  def up
+    return unless foreign_key_exists?(:ci_builds_metadata, :projects, name: "fk_rails_ffcf702a02")
+
+    with_lock_retries do
+      execute('LOCK projects, ci_builds_metadata IN ACCESS EXCLUSIVE MODE') if transaction_open?
+
+      remove_foreign_key_if_exists(:ci_builds_metadata, :projects, name: "fk_rails_ffcf702a02")
+    end
+  end
+
+  def down
+    # no-op, since the FK will be added via rollback by prior-migration
+  end
+end

db/post_migrate/20220126210022_re_remove_projects_ci_builds_project_id_fk.rb

+# frozen_string_literal: true
+
+class ReRemoveProjectsCiBuildsProjectIdFk < Gitlab::Database::Migration[1.0]
+  disable_ddl_transaction!
+
+  def up
+    return unless foreign_key_exists?(:ci_builds, :projects, name: "fk_befce0568a")
+
+    with_lock_retries do
+      execute('LOCK projects, ci_builds IN ACCESS EXCLUSIVE MODE') if transaction_open?
+
+      remove_foreign_key_if_exists(:ci_builds, :projects, name: "fk_befce0568a")
+    end
+  end
+
+  def down
+    # no-op, since the FK will be added via rollback by prior-migration
+  end
+end

db/schema_migrations/20220121214753

+b7b9f5e516664e7eb3f7a5307d1871bb4f58a31f4807e0298fbf9414bad567fa
\ No newline at end of file

db/schema_migrations/20220124153234

+0e8559121504f1a34394b5f613ef2c5554261f6aeaeaaf5a15d018803c4e5452
\ No newline at end of file

db/schema_migrations/20220124180705

+6c147287ba8436bd0231dc22195c95a71d19987d23741c1291a117407f493184
\ No newline at end of file

db/schema_migrations/20220126210022

+80a75bf72b40ee791bebd9ae97a793ce41fbd352841d83421525b6ad78e1c5e8
\ No newline at end of file