a8724cc502
Aside from a few external process calls there are now zero external dependencies required as part of the node.js boot process. Yay!
106 lines
2.8 KiB
JavaScript
106 lines
2.8 KiB
JavaScript
'use strict';
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// TODO if RAM is very low we should not fork at all,
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// but use a different process altogether
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console.log('pid:', process.pid);
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console.log('title:', process.title);
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console.log('arch:', process.arch);
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console.log('platform:', process.platform);
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console.log('\n\n\n[MASTER] Welcome to WALNUT!');
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var cluster = require('cluster');
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var path = require('path');
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var minWorkers = 2;
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var numCores = Math.max(minWorkers, require('os').cpus().length);
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var workers = [];
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var caddypath = '/usr/local/bin/caddy';
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var useCaddy = require('fs').existsSync(caddypath);
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var conf = {
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localPort: process.argv[2] || (useCaddy ? 4080 : 443) // system / local network
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, insecurePort: process.argv[3] || (useCaddy ? 80 : 80) // meh
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, externalPort: 443 // world accessible
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// TODO externalInsecurePort?
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, locked: false // TODO XXX
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, ipcKey: null
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, caddyfilepath: path.join(__dirname, 'Caddyfile')
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, sitespath: path.join(__dirname, 'sites-enabled')
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};
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var state = {};
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var caddy;
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if (useCaddy) {
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conf.caddypath = caddypath;
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}
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function fork() {
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if (workers.length < numCores) {
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workers.push(cluster.fork());
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}
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}
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cluster.on('online', function (worker) {
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var path = require('path');
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// TODO XXX Should these be configurable? If so, where?
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var certPaths = [path.join(__dirname, 'certs', 'live')];
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var info;
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console.log('[MASTER] Worker ' + worker.process.pid + ' is online');
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fork();
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info = {
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type: 'com.daplie.walnut.init'
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, conf: {
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protocol: useCaddy ? 'http' : 'https'
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, externalPort: conf.externalPort
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, localPort: conf.localPort
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, insecurePort: conf.insecurePort
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, trustProxy: useCaddy ? true : false
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, certPaths: useCaddy ? null : certPaths
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, ipcKey: null
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}
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};
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worker.send(info);
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function touchMaster(msg) {
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if ('com.daplie.walnut.webserver.listening' !== msg.type) {
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console.warn('[MASTER] received unexpected message from worker');
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console.warn(msg);
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return;
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}
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// calls init if init has not been called
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state.caddy = caddy;
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state.workers = workers;
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require('./lib/master').touch(conf, state).then(function () {
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info.type = 'com.daplie.walnut.webserver.onrequest';
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info.conf.ipcKey = conf.ipcKey;
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worker.send(info);
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});
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}
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worker.on('message', touchMaster);
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});
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cluster.on('exit', function (worker, code, signal) {
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console.log('[MASTER] Worker ' + worker.process.pid + ' died with code: ' + code + ', and signal: ' + signal);
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workers = workers.map(function (w) {
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if (worker !== w) {
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return w;
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}
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return null;
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}).filter(function (w) {
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return w;
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});
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fork();
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});
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fork();
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if (useCaddy) {
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caddy = require('./lib/spawn-caddy').create(conf);
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// relies on { localPort, locked }
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caddy.spawn(conf);
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}
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