775 lines
30 KiB
JavaScript
775 lines
30 KiB
JavaScript
#!/usr/bin/env node
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'use strict';
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exports = module.exports = {
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initialize: initialize,
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startTask: startTask,
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// exported for testing
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_reserveHttpPort: reserveHttpPort,
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_configureNginx: configureNginx,
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_unconfigureNginx: unconfigureNginx,
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_createVolume: createVolume,
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_deleteVolume: deleteVolume,
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_verifyManifest: verifyManifest,
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_registerSubdomain: registerSubdomain,
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_unregisterSubdomain: unregisterSubdomain,
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_waitForDnsPropagation: waitForDnsPropagation,
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_waitForAltDomainDnsPropagation: waitForAltDomainDnsPropagation
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};
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require('supererror')({ splatchError: true });
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// remove timestamp from debug() based output
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require('debug').formatArgs = function formatArgs(args) {
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args[0] = this.namespace + ' ' + args[0];
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};
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var addons = require('./addons.js'),
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appdb = require('./appdb.js'),
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apps = require('./apps.js'),
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assert = require('assert'),
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async = require('async'),
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backups = require('./backups.js'),
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certificates = require('./certificates.js'),
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config = require('./config.js'),
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database = require('./database.js'),
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debug = require('debug')('box:apptask'),
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docker = require('./docker.js'),
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ejs = require('ejs'),
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fs = require('fs'),
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manifestFormat = require('cloudron-manifestformat'),
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net = require('net'),
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nginx = require('./nginx.js'),
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path = require('path'),
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paths = require('./paths.js'),
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safe = require('safetydance'),
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shell = require('./shell.js'),
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SubdomainError = require('./subdomains.js').SubdomainError,
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subdomains = require('./subdomains.js'),
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superagent = require('superagent'),
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sysinfo = require('./sysinfo.js'),
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util = require('util'),
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_ = require('underscore');
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var COLLECTD_CONFIG_EJS = fs.readFileSync(__dirname + '/collectd.config.ejs', { encoding: 'utf8' }),
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RELOAD_COLLECTD_CMD = path.join(__dirname, 'scripts/reloadcollectd.sh'),
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RMAPPDIR_CMD = path.join(__dirname, 'scripts/rmappdir.sh'),
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CREATEAPPDIR_CMD = path.join(__dirname, 'scripts/createappdir.sh');
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function initialize(callback) {
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assert.strictEqual(typeof callback, 'function');
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database.initialize(callback);
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}
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function debugApp(app) {
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assert.strictEqual(typeof app, 'object');
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var prefix = app ? (app.location || '(bare)') : '(no app)';
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debug(prefix + ' ' + util.format.apply(util, Array.prototype.slice.call(arguments, 1)));
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}
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function reserveHttpPort(app, callback) {
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assert.strictEqual(typeof app, 'object');
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assert.strictEqual(typeof callback, 'function');
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var server = net.createServer();
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server.listen(0, function () {
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var port = server.address().port;
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updateApp(app, { httpPort: port }, function (error) {
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if (error) {
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server.close();
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return callback(error);
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}
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server.close(callback);
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});
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});
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}
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function configureNginx(app, callback) {
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assert.strictEqual(typeof app, 'object');
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assert.strictEqual(typeof callback, 'function');
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certificates.ensureCertificate(app, function (error, certFilePath, keyFilePath) {
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if (error) return callback(error);
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nginx.configureApp(app, certFilePath, keyFilePath, callback);
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});
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}
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function unconfigureNginx(app, callback) {
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assert.strictEqual(typeof app, 'object');
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assert.strictEqual(typeof callback, 'function');
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// TODO: maybe revoke the cert
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nginx.unconfigureApp(app, callback);
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}
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function createContainer(app, callback) {
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assert.strictEqual(typeof app, 'object');
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assert.strictEqual(typeof callback, 'function');
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assert(!app.containerId); // otherwise, it will trigger volumeFrom
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debugApp(app, 'creating container');
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docker.createContainer(app, function (error, container) {
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if (error) return callback(new Error('Error creating container: ' + error));
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updateApp(app, { containerId: container.id }, callback);
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});
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}
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function deleteContainers(app, callback) {
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assert.strictEqual(typeof app, 'object');
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assert.strictEqual(typeof callback, 'function');
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debugApp(app, 'deleting containers');
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docker.deleteContainers(app.id, function (error) {
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if (error) return callback(new Error('Error deleting container: ' + error));
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updateApp(app, { containerId: null }, callback);
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});
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}
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function createVolume(app, callback) {
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assert.strictEqual(typeof app, 'object');
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assert.strictEqual(typeof callback, 'function');
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shell.sudo('createVolume', [ CREATEAPPDIR_CMD, app.id ], callback);
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}
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function deleteVolume(app, callback) {
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assert.strictEqual(typeof app, 'object');
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assert.strictEqual(typeof callback, 'function');
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shell.sudo('deleteVolume', [ RMAPPDIR_CMD, app.id ], callback);
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}
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function addCollectdProfile(app, callback) {
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assert.strictEqual(typeof app, 'object');
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assert.strictEqual(typeof callback, 'function');
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var collectdConf = ejs.render(COLLECTD_CONFIG_EJS, { appId: app.id, containerId: app.containerId });
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fs.writeFile(path.join(paths.COLLECTD_APPCONFIG_DIR, app.id + '.conf'), collectdConf, function (error) {
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if (error) return callback(error);
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shell.sudo('addCollectdProfile', [ RELOAD_COLLECTD_CMD ], callback);
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});
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}
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function removeCollectdProfile(app, callback) {
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assert.strictEqual(typeof app, 'object');
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assert.strictEqual(typeof callback, 'function');
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fs.unlink(path.join(paths.COLLECTD_APPCONFIG_DIR, app.id + '.conf'), function (error) {
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if (error && error.code !== 'ENOENT') debugApp(app, 'Error removing collectd profile', error);
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shell.sudo('removeCollectdProfile', [ RELOAD_COLLECTD_CMD ], callback);
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});
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}
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function verifyManifest(app, callback) {
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assert.strictEqual(typeof app, 'object');
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assert.strictEqual(typeof callback, 'function');
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debugApp(app, 'Verifying manifest');
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var manifest = app.manifest;
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var error = manifestFormat.parse(manifest);
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if (error) return callback(new Error(util.format('Manifest error: %s', error.message)));
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error = apps.checkManifestConstraints(manifest);
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if (error) return callback(error);
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return callback(null);
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}
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function downloadIcon(app, callback) {
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assert.strictEqual(typeof app, 'object');
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assert.strictEqual(typeof callback, 'function');
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debugApp(app, 'Downloading icon of %s@%s', app.appStoreId, app.manifest.version);
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var iconUrl = config.apiServerOrigin() + '/api/v1/apps/' + app.appStoreId + '/versions/' + app.manifest.version + '/icon';
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async.retry({ times: 10, interval: 5000 }, function (retryCallback) {
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superagent
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.get(iconUrl)
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.buffer(true)
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.timeout(30 * 1000)
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.end(function (error, res) {
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if (error && !error.response) return retryCallback(new Error('Network error downloading icon:' + error.message));
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if (res.statusCode !== 200) return retryCallback(null); // ignore error. this can also happen for apps installed with cloudron-cli
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if (!safe.fs.writeFileSync(path.join(paths.APPICONS_DIR, app.id + '.png'), res.body)) return retryCallback(new Error('Error saving icon:' + safe.error.message));
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retryCallback(null);
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});
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}, callback);
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}
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function registerSubdomain(app, callback) {
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assert.strictEqual(typeof app, 'object');
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assert.strictEqual(typeof callback, 'function');
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sysinfo.getIp(function (error, ip) {
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if (error) return callback(error);
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// even though the bare domain is already registered in the appstore, we still
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// need to register it so that we have a dnsRecordId to wait for it to complete
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async.retry({ times: 200, interval: 5000 }, function (retryCallback) {
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debugApp(app, 'Registering subdomain location [%s]', app.location);
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// get the current record before updating it
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subdomains.get(app.location, 'A', function (error, values) {
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if (error) return retryCallback(error);
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// refuse to update any existing DNS record for custom domains that we did not create
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// note that the appstore sets up the naked domain for non-custom domains
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if (config.isCustomDomain() && values.length !== 0 && !app.dnsRecordId) return retryCallback(null, new Error('DNS Record already exists'));
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subdomains.upsert(app.location, 'A', [ ip ], function (error, changeId) {
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if (error && (error.reason === SubdomainError.STILL_BUSY || error.reason === SubdomainError.EXTERNAL_ERROR)) return retryCallback(error); // try again
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retryCallback(null, error || changeId);
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});
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});
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}, function (error, result) {
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if (error || result instanceof Error) return callback(error || result);
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updateApp(app, { dnsRecordId: result }, callback);
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});
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});
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}
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function unregisterSubdomain(app, location, callback) {
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assert.strictEqual(typeof app, 'object');
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assert.strictEqual(typeof location, 'string');
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assert.strictEqual(typeof callback, 'function');
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// do not unregister bare domain because we show a error/cloudron info page there
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if (!config.isCustomDomain() && location === '') {
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debugApp(app, 'Skip unregister of empty subdomain');
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return callback(null);
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}
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sysinfo.getIp(function (error, ip) {
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if (error) return callback(error);
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async.retry({ times: 30, interval: 5000 }, function (retryCallback) {
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debugApp(app, 'Unregistering subdomain: %s', location);
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subdomains.remove(location, 'A', [ ip ], function (error) {
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if (error && (error.reason === SubdomainError.STILL_BUSY || error.reason === SubdomainError.EXTERNAL_ERROR)) return retryCallback(error); // try again
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retryCallback(null, error);
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});
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}, function (error, result) {
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if (error || result instanceof Error) return callback(error || result);
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updateApp(app, { dnsRecordId: null }, callback);
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});
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});
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}
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function removeIcon(app, callback) {
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assert.strictEqual(typeof app, 'object');
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assert.strictEqual(typeof callback, 'function');
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fs.unlink(path.join(paths.APPICONS_DIR, app.id + '.png'), function (error) {
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if (error && error.code !== 'ENOENT') debugApp(app, 'cannot remove icon : %s', error);
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callback(null);
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});
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}
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function waitForDnsPropagation(app, callback) {
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assert.strictEqual(typeof app, 'object');
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assert.strictEqual(typeof callback, 'function');
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if (!config.CLOUDRON) {
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debugApp(app, 'Skipping dns propagation check for development');
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return callback(null);
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}
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sysinfo.getIp(function (error, ip) {
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if (error) return callback(error);
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subdomains.waitForDns(config.appFqdn(app.location), ip, 'A', { interval: 5000, times: 120 }, callback);
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});
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}
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function waitForAltDomainDnsPropagation(app, callback) {
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if (!app.altDomain) return callback(null);
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// try for 10 minutes before giving up. this allows the user to "reconfigure" the app in the case where
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// an app has an external domain and cloudron is migrated to custom domain.
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subdomains.waitForDns(app.altDomain, config.appFqdn(app.location), 'CNAME', { interval: 10000, times: 60 }, callback);
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}
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// updates the app object and the database
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function updateApp(app, values, callback) {
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assert.strictEqual(typeof app, 'object');
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assert.strictEqual(typeof values, 'object');
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assert.strictEqual(typeof callback, 'function');
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debugApp(app, 'updating app with values: %j', values);
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appdb.update(app.id, values, function (error) {
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if (error) return callback(error);
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for (var value in values) {
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app[value] = values[value];
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}
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return callback(null);
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});
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}
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// Ordering is based on the following rationale:
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// - configure nginx, icon, oauth
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// - register subdomain.
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// at this point, the user can visit the site and the above nginx config can show some install screen.
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// the icon can be displayed in this nginx page and oauth proxy means the page can be protected
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// - download image
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// - setup volumes
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// - setup addons (requires the above volume)
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// - setup the container (requires image, volumes, addons)
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// - setup collectd (requires container id)
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function install(app, callback) {
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assert.strictEqual(typeof app, 'object');
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assert.strictEqual(typeof callback, 'function');
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async.series([
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verifyManifest.bind(null, app),
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// teardown for re-installs
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updateApp.bind(null, app, { installationProgress: '10, Cleaning up old install' }),
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unconfigureNginx.bind(null, app),
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removeCollectdProfile.bind(null, app),
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stopApp.bind(null, app),
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deleteContainers.bind(null, app),
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addons.teardownAddons.bind(null, app, app.manifest.addons),
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deleteVolume.bind(null, app),
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unregisterSubdomain.bind(null, app, app.location),
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// removeIcon.bind(null, app), // do not remove icon for non-appstore installs
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reserveHttpPort.bind(null, app),
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updateApp.bind(null, app, { installationProgress: '20, Downloading icon' }),
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downloadIcon.bind(null, app),
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updateApp.bind(null, app, { installationProgress: '30, Registering subdomain' }),
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registerSubdomain.bind(null, app),
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updateApp.bind(null, app, { installationProgress: '40, Downloading image' }),
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docker.downloadImage.bind(null, app.manifest),
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updateApp.bind(null, app, { installationProgress: '50, Creating volume' }),
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createVolume.bind(null, app),
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updateApp.bind(null, app, { installationProgress: '60, Setting up addons' }),
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addons.setupAddons.bind(null, app, app.manifest.addons),
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updateApp.bind(null, app, { installationProgress: '70, Creating container' }),
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createContainer.bind(null, app),
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updateApp.bind(null, app, { installationProgress: '80, Setting up collectd profile' }),
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addCollectdProfile.bind(null, app),
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runApp.bind(null, app),
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updateApp.bind(null, app, { installationProgress: '85, Waiting for DNS propagation' }),
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exports._waitForDnsPropagation.bind(null, app),
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updateApp.bind(null, app, { installationProgress: '90, Waiting for External Domain CNAME setup' }),
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exports._waitForAltDomainDnsPropagation.bind(null, app), // required when restoring and !lastBackupId
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updateApp.bind(null, app, { installationProgress: '95, Configure nginx' }),
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configureNginx.bind(null, app),
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// done!
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function (callback) {
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debugApp(app, 'installed');
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updateApp(app, { installationState: appdb.ISTATE_INSTALLED, installationProgress: '', health: null }, callback);
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}
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], function seriesDone(error) {
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if (error) {
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debugApp(app, 'error installing app: %s', error);
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return updateApp(app, { installationState: appdb.ISTATE_ERROR, installationProgress: error.message }, callback.bind(null, error));
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}
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callback(null);
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});
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}
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function backup(app, callback) {
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assert.strictEqual(typeof app, 'object');
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assert.strictEqual(typeof callback, 'function');
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async.series([
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updateApp.bind(null, app, { installationProgress: '10, Backing up' }),
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backups.backupApp.bind(null, app, app.manifest, 'appbackups' /* tag */),
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// done!
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function (callback) {
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debugApp(app, 'installed');
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updateApp(app, { installationState: appdb.ISTATE_INSTALLED, installationProgress: '' }, callback);
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}
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], function seriesDone(error) {
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if (error) {
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debugApp(app, 'error backing up app: %s', error);
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return updateApp(app, { installationState: appdb.ISTATE_INSTALLED, installationProgress: error.message }, callback.bind(null, error)); // return to installed state intentionally
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}
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callback(null);
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});
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}
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// restore is also called for upgrades and infra updates. note that in those cases it is possible there is no backup
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function restore(app, callback) {
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assert.strictEqual(typeof app, 'object');
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assert.strictEqual(typeof callback, 'function');
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// we don't have a backup, same as re-install. this allows us to install from install failures (update failures always
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// have a backupId)
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if (!app.lastBackupId) {
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debugApp(app, 'No lastBackupId. reinstalling');
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return install(app, callback);
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}
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var backupId = app.lastBackupId;
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async.series([
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updateApp.bind(null, app, { installationProgress: '10, Cleaning up old install' }),
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unconfigureNginx.bind(null, app),
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removeCollectdProfile.bind(null, app),
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stopApp.bind(null, app),
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deleteContainers.bind(null, app),
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// oldConfig can be null during upgrades
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addons.teardownAddons.bind(null, app, app.oldConfig ? app.oldConfig.manifest.addons : null),
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deleteVolume.bind(null, app),
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function deleteImageIfChanged(done) {
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if (!app.oldConfig || (app.oldConfig.manifest.dockerImage === app.manifest.dockerImage)) return done();
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docker.deleteImage(app.oldConfig.manifest, done);
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},
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removeIcon.bind(null, app),
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reserveHttpPort.bind(null, app),
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updateApp.bind(null, app, { installationProgress: '40, Downloading icon' }),
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downloadIcon.bind(null, app),
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updateApp.bind(null, app, { installationProgress: '55, Registering subdomain' }), // ip might change during upgrades
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registerSubdomain.bind(null, app),
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updateApp.bind(null, app, { installationProgress: '60, Downloading image' }),
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docker.downloadImage.bind(null, app.manifest),
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updateApp.bind(null, app, { installationProgress: '65, Creating volume' }),
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createVolume.bind(null, app),
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updateApp.bind(null, app, { installationProgress: '70, Download backup and restore addons' }),
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backups.restoreApp.bind(null, app, app.manifest.addons, backupId),
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updateApp.bind(null, app, { installationProgress: '75, Creating container' }),
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createContainer.bind(null, app),
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updateApp.bind(null, app, { installationProgress: '80, Setting up collectd profile' }),
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addCollectdProfile.bind(null, app),
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runApp.bind(null, app),
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updateApp.bind(null, app, { installationProgress: '85, Waiting for DNS propagation' }),
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exports._waitForDnsPropagation.bind(null, app),
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updateApp.bind(null, app, { installationProgress: '90, Waiting for External Domain CNAME setup' }),
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exports._waitForAltDomainDnsPropagation.bind(null, app),
|
|
|
|
updateApp.bind(null, app, { installationProgress: '95, Configuring Nginx' }),
|
|
configureNginx.bind(null, app),
|
|
|
|
// done!
|
|
function (callback) {
|
|
debugApp(app, 'restored');
|
|
updateApp(app, { installationState: appdb.ISTATE_INSTALLED, installationProgress: '', health: null }, callback);
|
|
}
|
|
], function seriesDone(error) {
|
|
if (error) {
|
|
debugApp(app, 'Error installing app: %s', error);
|
|
return updateApp(app, { installationState: appdb.ISTATE_ERROR, installationProgress: error.message }, callback.bind(null, error));
|
|
}
|
|
|
|
callback(null);
|
|
});
|
|
}
|
|
|
|
// note that configure is called after an infra update as well
|
|
function configure(app, callback) {
|
|
assert.strictEqual(typeof app, 'object');
|
|
assert.strictEqual(typeof callback, 'function');
|
|
|
|
async.series([
|
|
updateApp.bind(null, app, { installationProgress: '10, Cleaning up old install' }),
|
|
unconfigureNginx.bind(null, app),
|
|
removeCollectdProfile.bind(null, app),
|
|
stopApp.bind(null, app),
|
|
deleteContainers.bind(null, app),
|
|
function (next) {
|
|
// oldConfig can be null during an infra update
|
|
if (!app.oldConfig || app.oldConfig.location === app.location) return next();
|
|
unregisterSubdomain(app, app.oldConfig.location, next);
|
|
},
|
|
|
|
reserveHttpPort.bind(null, app),
|
|
|
|
updateApp.bind(null, app, { installationProgress: '35, Registering subdomain' }),
|
|
registerSubdomain.bind(null, app),
|
|
|
|
// re-setup addons since they rely on the app's fqdn (e.g oauth)
|
|
updateApp.bind(null, app, { installationProgress: '50, Setting up addons' }),
|
|
addons.setupAddons.bind(null, app, app.manifest.addons),
|
|
|
|
updateApp.bind(null, app, { installationProgress: '60, Creating container' }),
|
|
createContainer.bind(null, app),
|
|
|
|
updateApp.bind(null, app, { installationProgress: '70, Add collectd profile' }),
|
|
addCollectdProfile.bind(null, app),
|
|
|
|
runApp.bind(null, app),
|
|
|
|
updateApp.bind(null, app, { installationProgress: '80, Waiting for DNS propagation' }),
|
|
exports._waitForDnsPropagation.bind(null, app),
|
|
|
|
updateApp.bind(null, app, { installationProgress: '85, Waiting for External Domain CNAME setup' }),
|
|
exports._waitForAltDomainDnsPropagation.bind(null, app),
|
|
|
|
updateApp.bind(null, app, { installationProgress: '90, Configuring Nginx' }),
|
|
configureNginx.bind(null, app),
|
|
|
|
// done!
|
|
function (callback) {
|
|
debugApp(app, 'configured');
|
|
updateApp(app, { installationState: appdb.ISTATE_INSTALLED, installationProgress: '', health: null }, callback);
|
|
}
|
|
], function seriesDone(error) {
|
|
if (error) {
|
|
debugApp(app, 'error reconfiguring : %s', error);
|
|
return updateApp(app, { installationState: appdb.ISTATE_ERROR, installationProgress: error.message }, callback.bind(null, error));
|
|
}
|
|
callback(null);
|
|
});
|
|
}
|
|
|
|
// nginx configuration is skipped because app.httpPort is expected to be available
|
|
function update(app, callback) {
|
|
assert.strictEqual(typeof app, 'object');
|
|
assert.strictEqual(typeof callback, 'function');
|
|
|
|
debugApp(app, 'Updating to %s', safe.query(app, 'manifest.version'));
|
|
|
|
// app does not want these addons anymore
|
|
// FIXME: this does not handle option changes (like multipleDatabases)
|
|
var unusedAddons = _.omit(app.oldConfig.manifest.addons, Object.keys(app.manifest.addons));
|
|
|
|
async.series([
|
|
updateApp.bind(null, app, { installationProgress: '0, Verify manifest' }),
|
|
verifyManifest.bind(null, app),
|
|
|
|
// download new image before app is stopped. this is so we can reduce downtime
|
|
// and also not remove the 'common' layers when the old image is deleted
|
|
updateApp.bind(null, app, { installationProgress: '15, Downloading image' }),
|
|
docker.downloadImage.bind(null, app.manifest),
|
|
|
|
// note: we cleanup first and then backup. this is done so that the app is not running should backup fail
|
|
// we cannot easily 'recover' from backup failures because we have to revert manfest and portBindings
|
|
updateApp.bind(null, app, { installationProgress: '25, Cleaning up old install' }),
|
|
removeCollectdProfile.bind(null, app),
|
|
stopApp.bind(null, app),
|
|
deleteContainers.bind(null, app),
|
|
function deleteImageIfChanged(done) {
|
|
if (app.oldConfig.manifest.dockerImage === app.manifest.dockerImage) return done();
|
|
|
|
docker.deleteImage(app.oldConfig.manifest, done);
|
|
},
|
|
// removeIcon.bind(null, app), // do not remove icon, otherwise the UI breaks for a short time...
|
|
|
|
function (next) {
|
|
if (app.installationState === appdb.ISTATE_PENDING_FORCE_UPDATE) return next(null);
|
|
|
|
async.series([
|
|
updateApp.bind(null, app, { installationProgress: '30, Backing up app' }),
|
|
backups.backupApp.bind(null, app, app.oldConfig.manifest, 'appbackups' /* tag */)
|
|
], next);
|
|
},
|
|
|
|
// only delete unused addons after backup
|
|
addons.teardownAddons.bind(null, app, unusedAddons),
|
|
|
|
updateApp.bind(null, app, { installationProgress: '45, Downloading icon' }),
|
|
downloadIcon.bind(null, app),
|
|
|
|
updateApp.bind(null, app, { installationProgress: '70, Updating addons' }),
|
|
addons.setupAddons.bind(null, app, app.manifest.addons),
|
|
|
|
updateApp.bind(null, app, { installationProgress: '80, Creating container' }),
|
|
createContainer.bind(null, app),
|
|
|
|
updateApp.bind(null, app, { installationProgress: '90, Add collectd profile' }),
|
|
addCollectdProfile.bind(null, app),
|
|
|
|
runApp.bind(null, app),
|
|
|
|
// done!
|
|
function (callback) {
|
|
debugApp(app, 'updated');
|
|
updateApp(app, { installationState: appdb.ISTATE_INSTALLED, installationProgress: '', health: null }, callback);
|
|
}
|
|
], function seriesDone(error) {
|
|
if (error) {
|
|
debugApp(app, 'Error updating app: %s', error);
|
|
return updateApp(app, { installationState: appdb.ISTATE_ERROR, installationProgress: error.message }, callback.bind(null, error));
|
|
}
|
|
callback(null);
|
|
});
|
|
}
|
|
|
|
function uninstall(app, callback) {
|
|
assert.strictEqual(typeof app, 'object');
|
|
assert.strictEqual(typeof callback, 'function');
|
|
|
|
debugApp(app, 'uninstalling');
|
|
|
|
async.series([
|
|
updateApp.bind(null, app, { installationProgress: '0, Remove collectd profile' }),
|
|
removeCollectdProfile.bind(null, app),
|
|
|
|
updateApp.bind(null, app, { installationProgress: '10, Stopping app' }),
|
|
stopApp.bind(null, app),
|
|
|
|
updateApp.bind(null, app, { installationProgress: '20, Deleting container' }),
|
|
deleteContainers.bind(null, app),
|
|
|
|
updateApp.bind(null, app, { installationProgress: '30, Teardown addons' }),
|
|
addons.teardownAddons.bind(null, app, app.manifest.addons),
|
|
|
|
updateApp.bind(null, app, { installationProgress: '40, Deleting volume' }),
|
|
deleteVolume.bind(null, app),
|
|
|
|
updateApp.bind(null, app, { installationProgress: '50, Deleting image' }),
|
|
docker.deleteImage.bind(null, app.manifest),
|
|
|
|
updateApp.bind(null, app, { installationProgress: '60, Unregistering subdomain' }),
|
|
unregisterSubdomain.bind(null, app, app.location),
|
|
|
|
updateApp.bind(null, app, { installationProgress: '80, Cleanup icon' }),
|
|
removeIcon.bind(null, app),
|
|
|
|
updateApp.bind(null, app, { installationProgress: '90, Unconfiguring Nginx' }),
|
|
unconfigureNginx.bind(null, app),
|
|
|
|
updateApp.bind(null, app, { installationProgress: '95, Remove app from database' }),
|
|
appdb.del.bind(null, app.id)
|
|
], function seriesDone(error) {
|
|
if (error) {
|
|
debugApp(app, 'error uninstalling app: %s', error);
|
|
return updateApp(app, { installationState: appdb.ISTATE_ERROR, installationProgress: error.message }, callback.bind(null, error));
|
|
}
|
|
callback(null);
|
|
});
|
|
}
|
|
|
|
function runApp(app, callback) {
|
|
assert.strictEqual(typeof app, 'object');
|
|
assert.strictEqual(typeof callback, 'function');
|
|
|
|
docker.startContainer(app.containerId, function (error) {
|
|
if (error) return callback(error);
|
|
|
|
updateApp(app, { runState: appdb.RSTATE_RUNNING }, callback);
|
|
});
|
|
}
|
|
|
|
function stopApp(app, callback) {
|
|
assert.strictEqual(typeof app, 'object');
|
|
assert.strictEqual(typeof callback, 'function');
|
|
|
|
docker.stopContainers(app.id, function (error) {
|
|
if (error) return callback(error);
|
|
|
|
updateApp(app, { runState: appdb.RSTATE_STOPPED, health: null }, callback);
|
|
});
|
|
}
|
|
|
|
function handleRunCommand(app, callback) {
|
|
assert.strictEqual(typeof app, 'object');
|
|
assert.strictEqual(typeof callback, 'function');
|
|
|
|
if (app.runState === appdb.RSTATE_PENDING_STOP) {
|
|
return stopApp(app, callback);
|
|
}
|
|
|
|
if (app.runState === appdb.RSTATE_PENDING_START || app.runState === appdb.RSTATE_RUNNING) {
|
|
debugApp(app, 'Resuming app with state : %s', app.runState);
|
|
return runApp(app, callback);
|
|
}
|
|
|
|
debugApp(app, 'handleRunCommand - doing nothing: %s', app.runState);
|
|
|
|
return callback(null);
|
|
}
|
|
|
|
function startTask(appId, callback) {
|
|
assert.strictEqual(typeof appId, 'string');
|
|
assert.strictEqual(typeof callback, 'function');
|
|
|
|
// determine what to do
|
|
appdb.get(appId, function (error, app) {
|
|
if (error) return callback(error);
|
|
|
|
debugApp(app, 'startTask installationState: %s runState: %s', app.installationState, app.runState);
|
|
|
|
switch (app.installationState) {
|
|
case appdb.ISTATE_PENDING_UNINSTALL: return uninstall(app, callback);
|
|
case appdb.ISTATE_PENDING_CONFIGURE: return configure(app, callback);
|
|
case appdb.ISTATE_PENDING_UPDATE: return update(app, callback);
|
|
case appdb.ISTATE_PENDING_RESTORE: return restore(app, callback);
|
|
case appdb.ISTATE_PENDING_BACKUP: return backup(app, callback);
|
|
case appdb.ISTATE_INSTALLED: return handleRunCommand(app, callback);
|
|
case appdb.ISTATE_PENDING_INSTALL: return install(app, callback);
|
|
case appdb.ISTATE_PENDING_CLONE: return restore(app, callback);
|
|
case appdb.ISTATE_PENDING_FORCE_UPDATE: return update(app, callback);
|
|
case appdb.ISTATE_ERROR:
|
|
debugApp(app, 'Internal error. apptask launched with error status.');
|
|
return callback(null);
|
|
default:
|
|
debugApp(app, 'apptask launched with invalid command');
|
|
return callback(new Error('Unknown command in apptask:' + app.installationState));
|
|
}
|
|
});
|
|
}
|
|
|
|
if (require.main === module) {
|
|
assert.strictEqual(process.argv.length, 3, 'Pass the appid as argument');
|
|
|
|
debug('Apptask for %s', process.argv[2]);
|
|
|
|
process.on('SIGTERM', function () {
|
|
debug('taskmanager sent SIGTERM since it got a new task for this app');
|
|
process.exit(0);
|
|
});
|
|
|
|
initialize(function (error) {
|
|
if (error) throw error;
|
|
|
|
startTask(process.argv[2], function (error) {
|
|
if (error) debug('Apptask completed with error', error);
|
|
|
|
debug('Apptask completed for %s', process.argv[2]);
|
|
// https://nodejs.org/api/process.html are exit codes used by node. apps.js uses the value below
|
|
// to check apptask crashes
|
|
process.exit(error ? 50 : 0);
|
|
});
|
|
});
|
|
}
|