domotz-remote-pawn/src/events/handler/updatePkgInfo.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 18/09/15.
 */

var previousIp = null,
    previousPort = null,
    agentDeleted = false;

var updatePkgInfo = function (resourceLocator) {
    var myConsole = resourceLocator.log.decorateLogs();
    var engineRequest = resourceLocator.engineRequest;
    var pkgJson = resourceLocator.pkg.json;
    var webapp = resourceLocator.webapp;
    var status = resourceLocator.status;
    var notConfiguredAgent = resourceLocator.entities.notConfiguredAgent;
    var host = resourceLocator.discovery.host;
    var platform = resourceLocator.utils.platform;

    switch (status.get()) {
        case status.RESTRICTED: {
            var ip = host.getIP();
            var port = webapp.get('port');
            if (ip === previousIp && port === previousPort) {
                myConsole.info("Private IP [%s] and port [%s] didn't change." + ' No need to notify engine', ip, port);
                return;
            }

            notConfiguredAgent
                .create()
                .then(function (location) {
                    myConsole.info('Location for not-configured-agent: %s', location);
                })
                .then(function () {
                    return notConfiguredAgent.update(ip, port);
                })
                .then(function () {
                    myConsole.info('Update private IP [%s] and port [%s]', ip, port);
                    previousIp = ip;
                    previousPort = port;
                });
            break;
        }
        case status.CONFIGURED: {
            var pkgVersion = process.env.DVERSION;
            var agentVersion = pkgJson.version;
            var architecture = process.env.DARCHITECTURE;
            var fullPlatform = platform.getFullPlatform();
            if (!agentDeleted) {
                notConfiguredAgent.delete().then(function () {
                    agentDeleted = true;
                    myConsole.info('Delete Unconfigured Agent.');
                });
            } else {
                myConsole.info('Agent already deleted.');
            }

            var version = {
                package: pkgVersion,
                agent: agentVersion,
            };
            var confVersion = resourceLocator.lodash.get(resourceLocator.configuration, 'conf_version', null);
            if (confVersion) {
                version.conf = confVersion;
            }
            engineRequest.cachedSendWithPromise('', 'PUT', {
                version: version,
                architecture: architecture,
                platform: fullPlatform,
            });

            break;
        }
        case status.UPDATING: {
            myConsole.warn('Pending update. Stop standard operation');
        }
    }
};

module.exports.handler = updatePkgInfo;