1 files changed, 26 insertions, 0 deletions
diff --git a/db/post_migrate/20210622141148_schedule_delete_orphaned_deployments.rb b/db/post_migrate/20210622141148_schedule_delete_orphaned_deployments.rb
new file mode 100644
index 00000000000..cbd0d0ea3a2
--- /dev/null
+++ b/db/post_migrate/20210622141148_schedule_delete_orphaned_deployments.rb
@@ -0,0 +1,26 @@
+# frozen_string_literal: true
+
+class ScheduleDeleteOrphanedDeployments < ActiveRecord::Migration[6.1]
+  include Gitlab::Database::MigrationHelpers
+
+  DOWNTIME = false
+  MIGRATION = 'DeleteOrphanedDeployments'
+  BATCH_SIZE = 100_000
+  DELAY_INTERVAL = 2.minutes
+
+  disable_ddl_transaction!
+
+  def up
+    queue_background_migration_jobs_by_range_at_intervals(
+      define_batchable_model('deployments'),
+      MIGRATION,
+      DELAY_INTERVAL,
+      batch_size: BATCH_SIZE,
+      track_jobs: true
+    )
+  end
+
+  def down
+    # no-op
+  end
+end