128 lines
3.2 KiB
JavaScript
128 lines
3.2 KiB
JavaScript
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'use strict';
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module.exports.create = function (/*config*/) {
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var PromiseA = require('bluebird');
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var spawn = require('child_process').spawn;
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var path = require('path');
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var caddypath = '/usr/local/bin/caddy';
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var caddyfilepath = path.join(__dirname, '..', 'Caddyfile');
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var sitespath = path.join(__dirname, '..', 'sites-enabled');
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var caddy;
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var fs = require('fs');
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// TODO this should be expanded to include proxies a la proxydyn
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function writeCaddyfile(conf) {
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return new PromiseA(function (resolve, reject) {
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fs.readdir(sitespath, function (err, nodes) {
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if (err) {
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reject(err);
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return;
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}
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conf.domains = nodes.filter(function (node) {
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return /\./.test(node) && !/(^\.)|([\/\:\\])/.test(node);
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});
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var contents = tplCaddyfile(conf);
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fs.writeFile(caddyfilepath, contents, 'utf8', function (err) {
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if (err) {
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reject(err);
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return;
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}
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resolve();
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});
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});
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});
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}
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function tplCaddyfile(conf) {
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var contents = [];
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conf.domains.forEach(function (hostname) {
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var content = "";
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content+= "https://" + hostname + " {\n"
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+ " gzip\n"
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+ " tls "
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+ "/srv/walnut/certs/live/" + hostname + "/fullchain.pem "
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+ "/srv/walnut/certs/live/" + hostname + "/privkey.pem\n"
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;
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if (conf.locked) {
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content += " root /srv/walnut/init.public/\n";
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} else {
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content += " root /srv/walnut/sites-enabled/" + hostname + "/\n";
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}
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content +=
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" proxy /api http://localhost:" + conf.localPort.toString() + "\n"
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// # TODO internal
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+ "}";
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contents.push(content);
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});
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return contents.join('\n\n');
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}
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function spawnCaddy(conf) {
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console.log('[CADDY] start');
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return writeCaddyfile(conf).then(function () {
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if (caddy) {
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caddy.kill('SIGUSR1');
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return;
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// TODO caddy.kill('SIGKILL'); if SIGTERM fails
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// https://github.com/mholt/caddy/issues/107
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// SIGUSR1
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//caddy.kill('SIGTERM');
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}
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caddy = spawn(caddypath, ['-conf', caddyfilepath], { stdio: ['ignore', 'pipe', 'pipe'] });
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caddy.stdout.on('data', function (str) {
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console.error('[Caddy]', str.toString('utf8'));
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});
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caddy.stderr.on('data', function (errstr) {
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console.error('[Caddy]', errstr.toString('utf8'));
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});
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caddy.on('close', function (code, signal) {
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// TODO catch if caddy doesn't exist
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console.log('[Caddy]');
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console.log(code, signal);
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caddy = null;
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setTimeout(function () {
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spawnCaddy(conf);
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}, 1 * 1000);
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});
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return caddy;
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});
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}
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function sighup() {
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if (caddy) {
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caddy.kill('SIGUSR1');
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return;
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}
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// sudo kill -s SIGUSR1 `cat caddy.pid`
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fs.readFileAsync('/srv/walnut/caddy.pid', 'utf8').then(function (pid) {
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console.log('[caddy] pid', pid);
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caddy = spawn('/bin/kill', ['-s', 'SIGUSR1', pid]);
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});
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}
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return {
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spawn: spawnCaddy
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, update: function (conf) {
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return writeCaddyfile(conf).then(sighup);
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}
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, sighup: sighup
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};
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};
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