MXS-1300: Make the MaxCtrl core a Node.js module

The core is now a module that is loaded by the command line client. This
allows the core library to be reused for testing.

maxctrl/lib/alter.js

@@ -1,50 +0,0 @@
-/*
- * Copyright (c) 2016 MariaDB Corporation Ab
- *
- * Use of this software is governed by the Business Source License included
- * in the LICENSE.TXT file and at www.mariadb.com/bsl11.
- *
- * Change Date: 2020-01-01
- *
- * On the date above, in accordance with the Business Source License, use
- * of this software will be governed by version 2 or later of the General
- * Public License.
- */
-require('../common.js')()
-
-exports.command = 'alter <command>'
-exports.desc = 'Alter objects'
-exports.handler = function() {}
-exports.builder = function(yargs) {
-    yargs
-        .command('server <server> <key> <value>', 'Alter server parameters', {}, function(argv) {
-            maxctrl(argv, function(host) {
-                return updateValue(host, 'servers/' + argv.server, 'data.attributes.parameters.' + argv.key, argv.value)
-            })
-        })
-        .command('monitor <monitor> <key> <value>', 'Alter monitor parameters', {}, function(argv) {
-            maxctrl(argv, function(host) {
-                return updateValue(host, 'monitors/' + argv.monitor, 'data.attributes.parameters.' + argv.key, argv.value)
-            })
-        })
-        .command('service <service> <key> <value>', 'Alter service parameters', {}, function(argv) {
-            maxctrl(argv, function(host) {
-                return updateValue(host, 'services/' + argv.service, 'data.attributes.parameters.' + argv.key, argv.value)
-            })
-        })
-        .command('logging <key> <value>', 'Alter logging parameters', {}, function(argv) {
-            maxctrl(argv, function(host) {
-                return updateValue(host, 'maxscale/logs', 'attributes.parameters.' + argv.key, argv.value)
-            })
-        })
-        .command('maxscale <key> <value>', 'Alter MaxScale parameters', {}, function(argv) {
-            maxctrl(argv, function(host) {
-                return updateValue(host, 'maxscale', 'attributes.parameters.' + argv.key, argv.value)
-            })
-        })
-        .usage('Usage: alter <command>')
-        .help()
-        .command('*', 'the default command', {}, () => {
-            logger.log('Unknown command. See output of `help alter` for a list of commands.')
-        })
-}