walnut.js/lib/master.js

134 lines
3.1 KiB
JavaScript

'use strict';
var cluster = require('cluster');
var PromiseA = require('bluebird');
var memstore;
var sqlstore;
var config;
// TODO
// var rootMasterKey;
function updateIps() {
console.log('[UPDATE IP]');
var allMap = {};
var hostnames = config.redirects.reduce(function (all, redirect) {
if (redirect.ip && !allMap[redirect.id]) {
allMap[redirect.id] = true;
all.push(redirect.id);
}
return all;
}, []);
require('./ddns-updater').update(
config.ddns.services
, hostnames
, config.ddns.token
).then(function (results) {
results.forEach(function (result) {
if (result.error) {
console.error(result);
} else {
console.log('[SUCCESS]', result.service.hostname);
}
});
}).error(function (err) {
console.error('[UPDATE IP] ERROR');
console.error(err);
});
}
function init(conf/*, state*/) {
config = conf;
if (!conf.ipcKey) {
conf.ipcKey = require('crypto').randomBytes(16).toString('base64');
}
if (!conf.sqlite3Sock) {
conf.sqlite3Sock = '/tmp/sqlite3.' + require('crypto').randomBytes(4).toString('hex') + '.sock';
}
if (!conf.memstoreSock) {
conf.memstoreSock = '/tmp/memstore.' + require('crypto').randomBytes(4).toString('hex') + '.sock';
}
try {
require('fs').unlinkSync(conf.memstoreSock);
} catch(e) {
if ('ENOENT' !== e.code) {
console.error(e.stack);
console.error(JSON.stringify(e));
}
// ignore
}
try {
require('fs').unlinkSync(conf.sqlite3Sock);
} catch(e) {
if ('ENOENT' !== e.code) {
console.error(e.stack);
console.error(JSON.stringify(e));
}
// ignore
}
var cstore = require('cluster-store');
var sqlite3 = require('sqlite3-cluster/server');
var promise = PromiseA.all([
cstore.create({
sock: conf.memstoreSock
, serve: cluster.isMaster && conf.memstoreSock
, store: cluster.isMaster && null //new require('express-session/session/memory')()
// TODO implement
, key: conf.ipcKey
}).then(function (_memstore) {
memstore = _memstore;
return memstore;
})
, sqlite3.createServer({
verbose: null
, sock: conf.sqlite3Sock
, ipcKey: conf.ipcKey
}).then(function (_sqlstore) {
sqlstore = _sqlstore;
return sqlstore;
})
]).then(function (/*args*/) {
return conf;
/*
{
conf: conf
, memstore: memstore // args[0]
, sqlstore: sqlstore // args[1]
};
*/
});
// TODO check the IP every 5 minutes and update it every hour
setInterval(updateIps, 60 * 60 * 1000);
// we don't want this to load right away (extra procesing time)
setTimeout(updateIps, 1);
return promise;
}
function touch(conf, state) {
if (!state.initialize) {
state.initialize = init(conf, state);
}
// TODO if no xyz worker, start on xyz worker (unlock, for example)
return state.initialize.then(function () {
// TODO conf.locked = true|false;
conf.initialized = true;
return conf;
});
/*
setInterval(function () {
console.log('SIGUSR1 to caddy');
return caddy.update(caddyConf);
}, 10 * 60 * 1000);
*/
}
module.exports.init = init;
module.exports.touch = touch;