Files
cloudron-box/src/cloudron.js
T
Girish Ramakrishnan f379724128 merge certificates.js and nginx.js to reverseproxy.js
when certs change, we have to call into nginx anyway. since they
go hand in hand, just merge those files. modern reverse proxies
do this job integrated already.
2018-01-30 12:26:09 -08:00

394 lines
13 KiB
JavaScript

'use strict';
exports = module.exports = {
CloudronError: CloudronError,
initialize: initialize,
uninitialize: uninitialize,
getConfig: getConfig,
getDisks: getDisks,
getLogs: getLogs,
updateToLatest: updateToLatest,
reboot: reboot,
onActivated: onActivated,
checkDiskSpace: checkDiskSpace
};
var assert = require('assert'),
async = require('async'),
backups = require('./backups.js'),
caas = require('./caas.js'),
config = require('./config.js'),
cron = require('./cron.js'),
debug = require('debug')('box:cloudron'),
df = require('@sindresorhus/df'),
eventlog = require('./eventlog.js'),
locker = require('./locker.js'),
mailer = require('./mailer.js'),
os = require('os'),
path = require('path'),
paths = require('./paths.js'),
platform = require('./platform.js'),
progress = require('./progress.js'),
reverseProxy = require('./reverseproxy.js'),
safe = require('safetydance'),
settings = require('./settings.js'),
shell = require('./shell.js'),
spawn = require('child_process').spawn,
split = require('split'),
updateChecker = require('./updatechecker.js'),
user = require('./user.js'),
util = require('util'),
_ = require('underscore');
var REBOOT_CMD = path.join(__dirname, 'scripts/reboot.sh'),
UPDATE_CMD = path.join(__dirname, 'scripts/update.sh');
var NOOP_CALLBACK = function (error) { if (error) debug(error); };
function CloudronError(reason, errorOrMessage) {
assert.strictEqual(typeof reason, 'string');
assert(errorOrMessage instanceof Error || typeof errorOrMessage === 'string' || typeof errorOrMessage === 'undefined');
Error.call(this);
Error.captureStackTrace(this, this.constructor);
this.name = this.constructor.name;
this.reason = reason;
if (typeof errorOrMessage === 'undefined') {
this.message = reason;
} else if (typeof errorOrMessage === 'string') {
this.message = errorOrMessage;
} else {
this.message = 'Internal error';
this.nestedError = errorOrMessage;
}
}
util.inherits(CloudronError, Error);
CloudronError.BAD_FIELD = 'Field error';
CloudronError.INTERNAL_ERROR = 'Internal Error';
CloudronError.EXTERNAL_ERROR = 'External Error';
CloudronError.BAD_STATE = 'Bad state';
CloudronError.ALREADY_UPTODATE = 'No Update Available';
CloudronError.NOT_FOUND = 'Not found';
CloudronError.SELF_UPGRADE_NOT_SUPPORTED = 'Self upgrade not supported';
function initialize(callback) {
assert.strictEqual(typeof callback, 'function');
async.series([
settings.initialize,
reverseProxy.configureDefaultServer,
cron.initialize, // required for caas heartbeat before activation
onActivated
], callback);
}
function uninitialize(callback) {
assert.strictEqual(typeof callback, 'function');
async.series([
cron.uninitialize,
platform.stop,
settings.uninitialize
], callback);
}
function onActivated(callback) {
callback = callback || NOOP_CALLBACK;
// Starting the platform after a user is available means:
// 1. mail bounces can now be sent to the cloudron owner
// 2. the restore code path can run without sudo (since mail/ is non-root)
user.count(function (error, count) {
if (error) return callback(new CloudronError(CloudronError.INTERNAL_ERROR, error));
if (!count) return callback(); // not activated
platform.start(callback);
});
}
function getDisks(callback) {
assert.strictEqual(typeof callback, 'function');
var disks = {
boxDataDisk: null,
platformDataDisk: null,
appsDataDisk: null
};
df.file(paths.BOX_DATA_DIR).then(function (result) {
disks.boxDataDisk = result.filesystem;
return df.file(paths.PLATFORM_DATA_DIR);
}).then(function (result) {
disks.platformDataDisk = result.filesystem;
return df.file(paths.APPS_DATA_DIR);
}).then(function (result) {
disks.appsDataDisk = result.filesystem;
callback(null, disks);
}).catch(function (error) {
callback(new CloudronError(CloudronError.INTERNAL_ERROR, error));
});
}
function getConfig(callback) {
assert.strictEqual(typeof callback, 'function');
// result to not depend on the appstore
const BOX_AND_USER_TEMPLATE = {
box: {
region: null,
size: null,
plan: 'Custom Plan'
},
user: {
billing: false,
currency: ''
}
};
caas.getBoxAndUserDetails(function (error, result) {
if (error) debug('Failed to fetch cloudron details.', error.reason, error.message);
result = _.extend(BOX_AND_USER_TEMPLATE, result || {});
settings.getCloudronName(function (error, cloudronName) {
if (error) return callback(new CloudronError(CloudronError.INTERNAL_ERROR, error));
callback(null, {
apiServerOrigin: config.apiServerOrigin(),
webServerOrigin: config.webServerOrigin(),
adminDomain: config.adminDomain(),
adminLocation: config.adminLocation(),
adminFqdn: config.adminFqdn(),
mailFqdn: config.mailFqdn(),
version: config.version(),
update: updateChecker.getUpdateInfo(),
progress: progress.getAll(),
isDemo: config.isDemo(),
region: result.box.region,
size: result.box.size,
billing: !!result.user.billing,
plan: result.box.plan,
currency: result.user.currency,
memory: os.totalmem(),
provider: config.provider(),
cloudronName: cloudronName
});
});
});
}
function reboot(callback) {
shell.sudo('reboot', [ REBOOT_CMD ], callback);
}
function update(boxUpdateInfo, auditSource, callback) {
assert.strictEqual(typeof boxUpdateInfo, 'object');
assert.strictEqual(typeof auditSource, 'object');
assert.strictEqual(typeof callback, 'function');
if (!boxUpdateInfo) return callback(null);
var error = locker.lock(locker.OP_BOX_UPDATE);
if (error) return callback(new CloudronError(CloudronError.BAD_STATE, error.message));
eventlog.add(eventlog.ACTION_UPDATE, auditSource, { boxUpdateInfo: boxUpdateInfo });
// ensure tools can 'wait' on progress
progress.set(progress.UPDATE, 0, 'Starting');
// initiate the update/upgrade but do not wait for it
if (boxUpdateInfo.upgrade) {
debug('Starting upgrade');
caas.upgrade(boxUpdateInfo, function (error) {
if (error) {
debug('Upgrade failed with error:', error);
locker.unlock(locker.OP_BOX_UPDATE);
}
});
} else {
debug('Starting update');
doUpdate(boxUpdateInfo, function (error) {
if (error) {
debug('Update failed with error:', error);
locker.unlock(locker.OP_BOX_UPDATE);
}
});
}
callback(null);
}
function updateToLatest(auditSource, callback) {
assert.strictEqual(typeof auditSource, 'object');
assert.strictEqual(typeof callback, 'function');
var boxUpdateInfo = updateChecker.getUpdateInfo().box;
if (!boxUpdateInfo) return callback(new CloudronError(CloudronError.ALREADY_UPTODATE, 'No update available'));
if (!boxUpdateInfo.sourceTarballUrl) return callback(new CloudronError(CloudronError.BAD_STATE, 'No automatic update available'));
// check if this is just a version number change
if (config.version().match(/[-+]/) !== null && config.version().replace(/[-+].*/, '') === boxUpdateInfo.version) {
doShortCircuitUpdate(boxUpdateInfo, function (error) {
if (error) debug('Short-circuit update failed', error);
});
return callback(null);
}
if (boxUpdateInfo.upgrade && config.provider() !== 'caas') return callback(new CloudronError(CloudronError.SELF_UPGRADE_NOT_SUPPORTED));
update(boxUpdateInfo, auditSource, callback);
}
function doShortCircuitUpdate(boxUpdateInfo, callback) {
assert(boxUpdateInfo !== null && typeof boxUpdateInfo === 'object');
debug('Starting short-circuit from prerelease version %s to release version %s', config.version(), boxUpdateInfo.version);
config.setVersion(boxUpdateInfo.version);
progress.clear(progress.UPDATE);
updateChecker.resetUpdateInfo();
callback();
}
function doUpdate(boxUpdateInfo, callback) {
assert(boxUpdateInfo && typeof boxUpdateInfo === 'object');
function updateError(e) {
progress.set(progress.UPDATE, -1, e.message);
callback(e);
}
progress.set(progress.UPDATE, 5, 'Backing up for update');
backups.backupBoxAndApps({ userId: null, username: 'updater' }, function (error) {
if (error) return updateError(error);
// NOTE: this data is opaque and will be passed through the installer.sh
var data= {
provider: config.provider(),
apiServerOrigin: config.apiServerOrigin(),
webServerOrigin: config.webServerOrigin(),
adminDomain: config.adminDomain(),
adminFqdn: config.adminFqdn(),
adminLocation: config.adminLocation(),
isDemo: config.isDemo(),
appstore: {
apiServerOrigin: config.apiServerOrigin()
},
caas: {
apiServerOrigin: config.apiServerOrigin(),
webServerOrigin: config.webServerOrigin()
},
version: boxUpdateInfo.version
};
debug('updating box %s %j', boxUpdateInfo.sourceTarballUrl, _.omit(data, 'tlsCert', 'tlsKey', 'token', 'appstore', 'caas'));
progress.set(progress.UPDATE, 5, 'Downloading and extracting new version');
shell.sudo('update', [ UPDATE_CMD, boxUpdateInfo.sourceTarballUrl, JSON.stringify(data) ], function (error) {
if (error) return updateError(error);
// Do not add any code here. The installer script will stop the box code any instant
});
});
}
function checkDiskSpace(callback) {
callback = callback || NOOP_CALLBACK;
debug('Checking disk space');
getDisks(function (error, disks) {
if (error) {
debug('df error %s', error.message);
return callback();
}
df().then(function (entries) {
/*
[{
filesystem: '/dev/disk1',
size: 499046809600,
used: 443222245376,
available: 55562420224,
capacity: 0.89,
mountpoint: '/'
}, ...]
*/
var oos = entries.some(function (entry) {
// ignore other filesystems but where box, app and platform data is
if (entry.filesystem !== disks.boxDataDisk && entry.filesystem !== disks.platformDataDisk && entry.filesystem !== disks.appsDataDisk) return false;
return (entry.available <= (1.25 * 1024 * 1024 * 1024)); // 1.5G
});
debug('Disk space checked. ok: %s', !oos);
if (oos) mailer.outOfDiskSpace(JSON.stringify(entries, null, 4));
callback();
}).catch(function (error) {
debug('df error %s', error.message);
mailer.outOfDiskSpace(error.message);
return callback();
});
});
}
function getLogs(options, callback) {
assert(options && typeof options === 'object');
assert.strictEqual(typeof callback, 'function');
var units = options.units || [],
lines = options.lines || 100,
format = options.format || 'json',
follow = !!options.follow;
assert(Array.isArray(units));
assert.strictEqual(typeof lines, 'number');
assert.strictEqual(typeof format, 'string');
debug('Getting logs for %j', units);
var args = [ '--no-pager', '--lines=' + lines ];
units.forEach(function (u) {
if (u === 'box') args.push('--unit=box');
else if (u === 'mail') args.push('CONTAINER_NAME=mail');
});
if (format === 'short') args.push('--output=short', '-a'); else args.push('--output=json');
if (follow) args.push('--follow');
var cp = spawn('/bin/journalctl', args);
var transformStream = split(function mapper(line) {
if (format !== 'json') return line + '\n';
var obj = safe.JSON.parse(line);
if (!obj) return undefined;
return JSON.stringify({
realtimeTimestamp: obj.__REALTIME_TIMESTAMP,
monotonicTimestamp: obj.__MONOTONIC_TIMESTAMP,
message: obj.MESSAGE,
source: obj.SYSLOG_IDENTIFIER || ''
}) + '\n';
});
transformStream.close = cp.kill.bind(cp, 'SIGKILL'); // closing stream kills the child process
cp.stdout.pipe(transformStream);
return callback(null, transformStream);
}