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/disable.js

@@ -1,59 +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')()
-
-const log_levels = [
-    'debug',
-    'info',
-    'notice',
-    'warning'
-]
-
-exports.command = 'disable <command>'
-exports.desc = 'Disable functionality'
-exports.handler = function() {}
-exports.builder = function(yargs) {
-    yargs
-        .command('log-priority <log>', 'Disable log priority [warning|notice|info|debug]', {}, function(argv) {
-            if (log_levels.indexOf(argv.log) != -1) {
-                maxctrl(argv, function(host) {
-                    return updateValue(host, 'maxscale/logs', 'data.attributes.parameters.log_' + argv.log, false)
-                })
-            } else {
-                maxctrl(argv, function() {
-                    error('Invalid log priority: ' + argv.log)
-                    return Promise.reject()
-                })
-            }
-        })
-        .command('maxlog', 'Disable MaxScale logging', {}, function(argv) {
-            maxctrl(argv, function(host) {
-                return updateValue(host, 'maxscale/logs', 'data.attributes.parameters.maxlog', false)
-            })
-        })
-        .command('syslog', 'Disable syslog logging', {}, function(argv) {
-            maxctrl(argv, function(host) {
-                return updateValue(host, 'maxscale/logs', 'data.attributes.parameters.syslog', false)
-            })
-        })
-        .command('account <name>', 'Disable a Linux user account from administrative use', {}, function(argv) {
-            maxctrl(argv, function(host) {
-                return doRequest(host, 'users/unix/' + argv.name, null, { method: 'DELETE'})
-            })
-        })
-        .usage('Usage: disable <command>')
-        .help()
-        .command('*', 'the default command', {}, () => {
-            logger.log('Unknown command. See output of `help disable` for a list of commands.')
-        })
-}