1 files changed, 29 insertions, 0 deletions
diff --git a/db/post_migrate/20220525221133_schedule_backfill_vulnerability_reads_cluster_agent.rb b/db/post_migrate/20220525221133_schedule_backfill_vulnerability_reads_cluster_agent.rb
new file mode 100644
index 00000000000..bf83781e89c
--- /dev/null
+++ b/db/post_migrate/20220525221133_schedule_backfill_vulnerability_reads_cluster_agent.rb
@@ -0,0 +1,29 @@
+# frozen_string_literal: true
+
+class ScheduleBackfillVulnerabilityReadsClusterAgent < Gitlab::Database::Migration[2.0]
+  restrict_gitlab_migration gitlab_schema: :gitlab_main
+
+  BATCH_SIZE = 10_000
+  SUB_BATCH_SIZE = 1_000
+  DELAY_INTERVAL = 2.minutes
+  MIGRATION_NAME = 'BackfillVulnerabilityReadsClusterAgent'
+  BATCH_CLASS_NAME = 'BackfillVulnerabilityReadsClusterAgentBatchingStrategy'
+
+  disable_ddl_transaction!
+
+  def up
+    queue_batched_background_migration(
+      MIGRATION_NAME,
+      :vulnerability_reads,
+      :id,
+      job_interval: DELAY_INTERVAL,
+      batch_size: BATCH_SIZE,
+      batch_class_name: BATCH_CLASS_NAME,
+      sub_batch_size: SUB_BATCH_SIZE
+    )
+  end
+
+  def down
+    delete_batched_background_migration(MIGRATION_NAME, :vulnerability_reads, :id, [])
+  end
+end