1 files changed, 28 insertions, 0 deletions
diff --git a/db/migrate/20210211195543_add_created_by_user_for_cluster_agent_token.rb b/db/migrate/20210211195543_add_created_by_user_for_cluster_agent_token.rb
new file mode 100644
index 00000000000..94dc8192037
--- /dev/null
+++ b/db/migrate/20210211195543_add_created_by_user_for_cluster_agent_token.rb
@@ -0,0 +1,28 @@
+# frozen_string_literal: true
+
+class AddCreatedByUserForClusterAgentToken < ActiveRecord::Migration[6.0]
+  include Gitlab::Database::MigrationHelpers
+
+  DOWNTIME = false
+  INDEX_NAME = 'index_cluster_agent_tokens_on_created_by_user_id'
+
+  disable_ddl_transaction!
+
+  def up
+    unless column_exists?(:cluster_agent_tokens, :created_by_user_id)
+      add_column :cluster_agent_tokens, :created_by_user_id, :bigint
+    end
+
+    add_concurrent_index :cluster_agent_tokens, :created_by_user_id, name: INDEX_NAME
+    add_concurrent_foreign_key :cluster_agent_tokens, :users, column: :created_by_user_id, on_delete: :nullify
+  end
+
+  def down
+    with_lock_retries do
+      remove_foreign_key_if_exists :cluster_agent_tokens, :users, column: :created_by_user_id
+    end
+
+    remove_concurrent_index_by_name :cluster_agent_tokens, INDEX_NAME
+    remove_column :cluster_agent_tokens, :created_by_user_id
+  end
+end