PROXY Protocol support implementation

backend/migrations/20220209144645_proxy_protocol.js

@@ -0,0 +1,36 @@
+const migrate_name = 'proxy_protocol';
+const logger       = require('../logger').migrate;
+
+/**
+ * Migrate
+ *
+ * @see http://knexjs.org/#Schema
+ *
+ * @param   {Object}  knex
+ * @param   {Promise} Promise
+ * @returns {Promise}
+ */
+exports.up = function (knex/*, Promise*/) {
+	logger.info('[' + migrate_name + '] Migrating Up...');
+
+	return knex.schema.table('proxy_host', function (proxy_host) {
+		proxy_host.integer('enable_proxy_protocol').notNull().unsigned().defaultTo(0);
+		proxy_host.string('load_balancer_ip').notNull().defaultTo('');
+	})
+		.then(() => {
+			logger.info('[' + migrate_name + '] proxy_host Table altered');
+		});
+
+};
+
+/**
+ * Undo Migrate
+ *
+ * @param   {Object}  knex
+ * @param   {Promise} Promise
+ * @returns {Promise}
+ */
+exports.down = function (knex, Promise) {
+	logger.warn('[' + migrate_name + '] You can\'t migrate down this one.');
+	return Promise.resolve(true);
+};