mirror of
https://github.com/node-red/node-red.git
synced 2023-10-10 13:36:53 +02:00
202 lines
6.2 KiB
JavaScript
202 lines
6.2 KiB
JavaScript
/**
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* Copyright 2013, 2016 IBM Corp.
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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**/
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var when = require('when');
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var redNodes = require("./nodes");
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var storage = require("./storage");
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var log = require("./log");
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var i18n = require("./i18n");
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var events = require("./events");
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var settings = require("./settings");
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var express = require("express");
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var path = require('path');
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var fs = require("fs");
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var os = require("os");
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var runtimeMetricInterval = null;
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var started = false;
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var stubbedExpressApp = {
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get: function() {},
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post: function() {},
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put: function() {},
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delete: function() {}
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}
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var adminApi = {
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library: {
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register: function() {}
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},
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auth: {
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needsPermission: function() {}
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},
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comms: {
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publish: function() {}
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},
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adminApp: stubbedExpressApp,
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server: {}
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}
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var nodeApp;
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function init(userSettings,_adminApi) {
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userSettings.version = getVersion();
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log.init(userSettings);
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settings.init(userSettings);
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nodeApp = express();
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if (_adminApi) {
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adminApi = _adminApi;
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}
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redNodes.init(runtime);
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}
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var version;
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function getVersion() {
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if (!version) {
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version = require(path.join(__dirname,"..","..","package.json")).version;
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/* istanbul ignore else */
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try {
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fs.statSync(path.join(__dirname,"..","..",".git"));
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version += "-git";
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} catch(err) {
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// No git directory
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}
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}
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return version;
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}
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function start() {
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return i18n.init()
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.then(function() {
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return i18n.registerMessageCatalog("runtime",path.resolve(path.join(__dirname,"locales")),"runtime.json")
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})
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.then(function() { return storage.init(runtime)})
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.then(function() { return settings.load(storage)})
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.then(function() {
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if (log.metric()) {
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runtimeMetricInterval = setInterval(function() {
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reportMetrics();
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}, settings.runtimeMetricInterval||15000);
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}
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log.info("\n\n"+log._("runtime.welcome")+"\n===================\n");
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if (settings.version) {
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log.info(log._("runtime.version",{component:"Node-RED",version:"v"+settings.version}));
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}
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log.info(log._("runtime.version",{component:"Node.js ",version:process.version}));
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log.info(os.type()+" "+os.release()+" "+os.arch()+" "+os.endianness());
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return redNodes.load().then(function() {
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var i;
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var nodeErrors = redNodes.getNodeList(function(n) { return n.err!=null;});
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var nodeMissing = redNodes.getNodeList(function(n) { return n.module && n.enabled && !n.loaded && !n.err;});
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if (nodeErrors.length > 0) {
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log.warn("------------------------------------------------------");
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for (i=0;i<nodeErrors.length;i+=1) {
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log.warn("["+nodeErrors[i].name+"] "+nodeErrors[i].err);
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}
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log.warn("------------------------------------------------------");
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}
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if (nodeMissing.length > 0) {
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log.warn(log._("server.missing-modules"));
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var missingModules = {};
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for (i=0;i<nodeMissing.length;i++) {
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var missing = nodeMissing[i];
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missingModules[missing.module] = (missingModules[missing.module]||[]).concat(missing.types);
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}
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var promises = [];
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for (i in missingModules) {
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if (missingModules.hasOwnProperty(i)) {
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log.warn(" - "+i+": "+missingModules[i].join(", "));
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if (settings.autoInstallModules && i != "node-red") {
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redNodes.installModule(i).otherwise(function(err) {
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// Error already reported. Need the otherwise handler
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// to stop the error propagating any further
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});
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}
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}
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}
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if (!settings.autoInstallModules) {
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log.info(log._("server.removing-modules"));
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redNodes.cleanModuleList();
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}
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}
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if (settings.settingsFile) {
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log.info(log._("runtime.paths.settings",{path:settings.settingsFile}));
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}
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redNodes.loadFlows().then(redNodes.startFlows);
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started = true;
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}).otherwise(function(err) {
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console.log(err);
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});
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});
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}
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function reportMetrics() {
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var memUsage = process.memoryUsage();
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log.log({
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level: log.METRIC,
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event: "runtime.memory.rss",
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value: memUsage.rss
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});
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log.log({
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level: log.METRIC,
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event: "runtime.memory.heapTotal",
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value: memUsage.heapTotal
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});
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log.log({
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level: log.METRIC,
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event: "runtime.memory.heapUsed",
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value: memUsage.heapUsed
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});
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}
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function stop() {
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if (runtimeMetricInterval) {
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clearInterval(runtimeMetricInterval);
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runtimeMetricInterval = null;
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}
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started = false;
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return redNodes.stopFlows();
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}
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var runtime = module.exports = {
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init: init,
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start: start,
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stop: stop,
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version: getVersion,
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log: log,
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i18n: i18n,
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settings: settings,
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storage: storage,
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events: events,
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nodes: redNodes,
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util: require("./util"),
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get adminApi() { return adminApi },
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get nodeApp() { return nodeApp },
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isStarted: function() {
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return started;
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}
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}
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