domotz-remote-pawn/src/commands/sshSend.js

Domotz Agent

/** This file is part of Domotz Agent.
 * Copyright (C) 2016  Domotz Ltd
 *
 * Domotz Agent is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * Domotz Agent is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with Domotz Agent. If not, see <http://www.gnu.org/licenses/>.
 **/

/**
 * Created by Tommaso Latini <tommaso@domotz.com> on 04/01/16.
 *
 * {
 *    "command": <str>       command to execute
 *    "args": [...]          arguments list
 * }
 */

var sshSend = function (message, resourceLocator) {

    var ssh = resourceLocator.networkTools.ssh;

    var payload = message.payload;

    var sshCommand = payload.cmd + ' ' + (payload.args || []).join(' ');
    var sshOptions = payload.sshOptions || {};

    //delete payload.cmd;
    //delete payload.args;
    //delete payload.sshOptions;

    var logId = message.correlationId;
    var user = payload.username;
    var host = payload.host;
    var port = payload.port;

    sshOptions.log_prefix = logId;
    sshOptions.timeout = payload.timeout;
    sshOptions.user = user;
    sshOptions.password = payload.password;
    sshOptions.host = host;
    sshOptions.port = port;
    sshOptions.host_key_checking = 'no';

    return {
        describe: function () {
            // 'cid - execSshCommand - <user>@<host>:<port> "<cmd> <args>"'
            return 'sshSend - ' + user + '@' + host + ':' + port +
                ' "' + sshCommand + '"';
        },
        execute: function (callback) {
            ssh.exec(sshCommand, sshOptions)
                .then(function (res) {
                    res = res.trim();
                    console.debug('MESSAGE - (%s): SSH Send get the result: %s', logId, res);
                    callback({
                        output: res
                    });
                })
                .catch(function (res) {
                    callback({
                        error: res
                    });
                });
        }
    };
};

module.exports.command = sshSend;