This MR adds new column to external status checks

New column to store HMAC secret and
initialization vector. These secrets
will be used for authentication of
external status checks

Changelog: added
EE: true

db/migrate/20240717140800_add_encrypted_shared_secret_to_external_status_checks.rb

+# frozen_string_literal: true
+
+class AddEncryptedSharedSecretToExternalStatusChecks < Gitlab::Database::Migration[2.2]
+  enable_lock_retries!
+  milestone '17.3'
+
+  def change
+    add_column :external_status_checks, :encrypted_shared_secret, :binary
+    add_column :external_status_checks, :encrypted_shared_secret_iv, :binary
+  end
+end

db/schema_migrations/20240717140800

+9d299c5dfba7f0e5b0159cbef9938666fe87e8edc4cd00274ffb86e50d5e8cc5
\ No newline at end of file

db/structure.sql

@@ -10518,6 +10518,8 @@ CREATE TABLE external_status_checks (
     updated_at timestamp with time zone NOT NULL,
     external_url text NOT NULL,
     name text NOT NULL,
+    encrypted_shared_secret bytea,
+    encrypted_shared_secret_iv bytea,
     CONSTRAINT check_7e3b9eb41a CHECK ((char_length(name) <= 255)),
     CONSTRAINT check_ae0dec3f61 CHECK ((char_length(external_url) <= 255))
 );