Files
cloudron-box/src/platform.js
2016-06-22 11:53:48 -05:00

273 lines
9.4 KiB
JavaScript

'use strict';
exports = module.exports = {
initialize: initialize,
uninitialize: uninitialize,
events: new (require('events').EventEmitter)(),
EVENT_READY: 'ready',
isReadySync: isReadySync,
mailConfig: mailConfig
};
var apps = require('./apps.js'),
assert = require('assert'),
async = require('async'),
config = require('./config.js'),
certificates = require('./certificates.js'),
debug = require('debug')('box:platform'),
fs = require('fs'),
hat = require('hat'),
infra = require('./infra_version.js'),
ini = require('ini'),
mailboxes = require('./mailboxes.js'),
paths = require('./paths.js'),
safe = require('safetydance'),
shell = require('./shell.js'),
util = require('util');
var gAddonVars = null,
gPlatformReadyTimer = null;
function initialize(callback) {
if (process.env.BOX_ENV === 'test' && !process.env.CREATE_INFRA) return callback();
debug('initializing addon infrastructure');
var existingInfra = { version: 'none' };
if (fs.existsSync(paths.INFRA_VERSION_FILE)) {
existingInfra = safe.JSON.parse(fs.readFileSync(paths.INFRA_VERSION_FILE, 'utf8'));
if (!existingInfra) existingInfra = { version: 'corrupt' };
}
if (infra.version === existingInfra.version) {
debug('platform is uptodate at version %s', infra.version);
process.nextTick(function () { exports.events.emit(exports.EVENT_READY); });
return loadAddonVars(callback);
}
debug('Updating infrastructure from %s to %s', existingInfra.version, infra.version);
async.series([
stopContainers,
createDockerNetwork,
startAddons,
removeOldImages,
existingInfra.version === 'none' ? apps.restoreInstalledApps : apps.configureInstalledApps,
loadAddonVars,
mailboxes.setupAliases,
fs.writeFile.bind(fs, paths.INFRA_VERSION_FILE, JSON.stringify(infra))
], callback);
// give 30 seconds for the platform to "settle". For example, mysql might still be initing the
// database dir and we cannot call service scripts until that's done.
// TODO: make this smarter to not wait for 30secs for the crash-restart case
gPlatformReadyTimer = setTimeout(function () {
debug('emitting platform ready');
gPlatformReadyTimer = null;
exports.events.emit(exports.EVENT_READY);
}, 30000);
}
function uninitialize(callback) {
clearTimeout(gPlatformReadyTimer);
gPlatformReadyTimer = null;
callback();
}
function isReadySync() {
return gPlatformReadyTimer === null;
}
function removeOldImages(callback) {
debug('removing old addon images');
for (var imageName in infra.images) {
var image = infra.images[imageName];
debug('cleaning up images of %j', image);
var cmd = 'docker images "%s" | tail -n +2 | awk \'{ print $1 ":" $2 }\' | grep -v "%s" | xargs --no-run-if-empty docker rmi';
shell.execSync('removeOldImagesSync', util.format(cmd, image.repo, image.tag));
}
callback();
}
function stopContainers(callback) {
// TODO: be nice and stop addons cleanly (example, shutdown commands)
debug('stopping existing containers');
shell.execSync('stopContainersSync', 'docker ps -qa | xargs --no-run-if-empty docker rm -f');
callback();
}
function createDockerNetwork(callback) {
shell.execSync('createDockerNetwork', 'docker network create --subnet=172.18.0.0/16 cloudron || true', callback);
}
function startGraphite(callback) {
const tag = infra.images.graphite.tag;
const dataDir = paths.DATA_DIR;
const cmd = `docker run --restart=always -d --name="graphite" \
--net cloudron \
--net-alias graphite \
-m 75m \
--memory-swap 150m \
-p 127.0.0.1:2003:2003 \
-p 127.0.0.1:2004:2004 \
-p 127.0.0.1:8000:8000 \
-v "${dataDir}/graphite:/app/data" \
--read-only -v /tmp -v /run "${tag}"`;
shell.execSync('startGraphite', cmd);
callback();
}
function startMysql(callback) {
const tag = infra.images.mysql.tag;
const dataDir = paths.DATA_DIR;
const rootPassword = hat(8 * 128);
if (!safe.fs.writeFileSync(paths.DATA_DIR + '/addons/mysql_vars.sh',
'MYSQL_ROOT_PASSWORD=' + rootPassword +'\nMYSQL_ROOT_HOST=172.18.0.1', 'utf8')) {
return callback(new Error('Could not create mysql var file:' + safe.error.message));
}
const cmd = `docker run --restart=always -d --name="mysql" \
--net cloudron \
--net-alias mysql \
-m 256m \
--memory-swap 512m \
-v "${dataDir}/mysql:/var/lib/mysql" \
-v "${dataDir}/addons/mysql_vars.sh:/etc/mysql/mysql_vars.sh:ro" \
--read-only -v /tmp -v /run "${tag}"`;
shell.execSync('startMysql', cmd);
callback();
}
function startPostgresql(callback) {
const tag = infra.images.postgresql.tag;
const dataDir = paths.DATA_DIR;
const rootPassword = hat(8 * 128);
if (!safe.fs.writeFileSync(paths.DATA_DIR + '/addons/postgresql_vars.sh', 'POSTGRESQL_ROOT_PASSWORD=' + rootPassword, 'utf8')) {
return callback(new Error('Could not create postgresql var file:' + safe.error.message));
}
const cmd = `docker run --restart=always -d --name="postgresql" \
--net cloudron \
--net-alias postgresql \
-m 100m \
--memory-swap 200m \
-v "${dataDir}/postgresql:/var/lib/postgresql" \
-v "${dataDir}/addons/postgresql_vars.sh:/etc/postgresql/postgresql_vars.sh:ro" \
--read-only -v /tmp -v /run "${tag}"`;
shell.execSync('startPostgresql', cmd);
callback();
}
function startMongodb(callback) {
const tag = infra.images.mongodb.tag;
const dataDir = paths.DATA_DIR;
const rootPassword = hat(8 * 128);
if (!safe.fs.writeFileSync(paths.DATA_DIR + '/addons/mongodb_vars.sh', 'MONGODB_ROOT_PASSWORD=' + rootPassword, 'utf8')) {
return callback(new Error('Could not create mongodb var file:' + safe.error.message));
}
const cmd = `docker run --restart=always -d --name="mongodb" \
--net cloudron \
--net-alias mongodb \
-m 100m \
--memory-swap 200m \
-v "${dataDir}/mongodb:/var/lib/mongodb" \
-v "${dataDir}/addons/mongodb_vars.sh:/etc/mongodb_vars.sh:ro" \
--read-only -v /tmp -v /run "${tag}"`;
shell.execSync('startMongodb', cmd);
callback();
}
function startMail(callback) {
// mail (note: 2525 is hardcoded in mail container and app use this port)
// MAIL_SERVER_NAME is the hostname of the mailserver i.e server uses these certs
// MAIL_DOMAIN is the domain for which this server is relaying mails
// mail container uses /app/data for backed up data and /run for restart-able data
const tag = infra.images.mail.tag;
const dataDir = paths.DATA_DIR;
const rootPassword = hat(8 * 128);
const fqdn = config.fqdn();
const mailFqdn = config.adminFqdn();
if (!safe.fs.writeFileSync(paths.DATA_DIR + '/addons/mail_vars.sh',
'MAIL_ROOT_USERNAME=no-reply\nMAIL_ROOT_PASSWORD=' + rootPassword, 'utf8')) {
return callback(new Error('Could not create mail var file:' + safe.error.message));
}
certificates.getAdminCertificatePath(function (error, certFilePath, keyFilePath) {
if (error) return callback(error);
const cmd = `docker run --restart=always -d --name="mail" \
--net cloudron \
--net-alias mail \
-m 75m \
--memory-swap 150m \
-e "MAIL_DOMAIN=${fqdn}" \
-e "MAIL_SERVER_NAME=${mailFqdn}" \
-v "${dataDir}/box/mail:/app/data" \
-v "${dataDir}/mail:/run" \
-v "${dataDir}/addons/mail_vars.sh:/etc/mail/mail_vars.sh:ro" \
-v "${certFilePath}:/etc/tls_cert.pem:ro" \
-v "${keyFilePath}:/etc/tls_key.pem:ro" \
-p 587:2525 \
-p 993:9993 \
-p 4190:4190 \
-p 25:2525 \
--read-only -v /tmp ${tag}`;
shell.execSync('startMail', cmd);
callback();
});
}
function startAddons(callback) {
assert.strictEqual(typeof callback, 'function');
async.series([
startGraphite,
startMysql,
startPostgresql,
startMongodb,
startMail
], callback);
}
function loadAddonVars(callback) {
gAddonVars = {
mail: ini.parse(fs.readFileSync(paths.DATA_DIR + '/addons/mail_vars.sh', 'utf8')),
postgresql: ini.parse(fs.readFileSync(paths.DATA_DIR + '/addons/postgresql_vars.sh', 'utf8')),
mysql: ini.parse(fs.readFileSync(paths.DATA_DIR + '/addons/mysql_vars.sh', 'utf8')),
mongodb: ini.parse(fs.readFileSync(paths.DATA_DIR + '/addons/mongodb_vars.sh', 'utf8'))
};
callback();
}
function mailConfig() {
if (!gAddonVars) return { username: 'no-reply', from: 'no-reply@' + config.fqdn(), password: 'doesnotwork' }; // for tests which don't run infra
return {
username: gAddonVars.mail.MAIL_ROOT_USERNAME,
from: '"Cloudron" <' + gAddonVars.mail.MAIL_ROOT_USERNAME + '@' + config.fqdn() + '>',
password: gAddonVars.mail.MAIL_ROOT_PASSWORD
};
}