1 files changed, 37 insertions, 0 deletions
diff --git a/db/post_migrate/20201112130715_schedule_recalculate_uuid_on_vulnerabilities_occurrences.rb b/db/post_migrate/20201112130715_schedule_recalculate_uuid_on_vulnerabilities_occurrences.rb
new file mode 100644
index 00000000000..7bb97a39bda
--- /dev/null
+++ b/db/post_migrate/20201112130715_schedule_recalculate_uuid_on_vulnerabilities_occurrences.rb
@@ -0,0 +1,37 @@
+# frozen_string_literal: true
+
+class ScheduleRecalculateUuidOnVulnerabilitiesOccurrences < ActiveRecord::Migration[6.0]
+  include Gitlab::Database::MigrationHelpers
+
+  DOWNTIME = false
+
+  MIGRATION = 'RecalculateVulnerabilitiesOccurrencesUuid'
+  DELAY_INTERVAL = 2.minutes.to_i
+  BATCH_SIZE = 2_500
+
+  disable_ddl_transaction!
+
+  class VulnerabilitiesFinding < ActiveRecord::Base
+    include ::EachBatch
+
+    self.table_name = "vulnerability_occurrences"
+  end
+
+  def up
+    # Make sure that RemoveDuplicateVulnerabilitiesFindings has finished running
+    # so that we don't run into duplicate UUID issues
+    Gitlab::BackgroundMigration.steal('RemoveDuplicateVulnerabilitiesFindings')
+
+    say "Scheduling #{MIGRATION} jobs"
+    queue_background_migration_jobs_by_range_at_intervals(
+      VulnerabilitiesFinding,
+      MIGRATION,
+      DELAY_INTERVAL,
+      batch_size: BATCH_SIZE
+    )
+  end
+
+  def down
+    # no-op
+  end
+end