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arangodb/js/server/modules/@arangodb/foxx/manager.js

1684 lines
53 KiB
JavaScript

/*global ArangoServerState, ArangoClusterInfo, ArangoClusterComm */
'use strict';
////////////////////////////////////////////////////////////////////////////////
/// @brief Foxx service manager
///
/// @file
///
/// DISCLAIMER
///
/// Copyright 2013 triagens GmbH, Cologne, Germany
///
/// Licensed under the Apache License, Version 2.0 (the "License");
/// you may not use this file except in compliance with the License.
/// You may obtain a copy of the License at
///
/// http://www.apache.org/licenses/LICENSE-2.0
///
/// Unless required by applicable law or agreed to in writing, software
/// distributed under the License is distributed on an "AS IS" BASIS,
/// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
/// See the License for the specific language governing permissions and
/// limitations under the License.
///
/// Copyright holder is triAGENS GmbH, Cologne, Germany
///
/// @author Dr. Frank Celler
/// @author Michael Hackstein
/// @author Copyright 2013, triAGENS GmbH, Cologne, Germany
////////////////////////////////////////////////////////////////////////////////
const _ = require('lodash');
const fs = require('fs');
const joinPath = require('path').join;
const joi = require('joi');
const util = require('util');
const semver = require('semver');
const dd = require('dedent');
const il = require('@arangodb/util').inline;
const utils = require('@arangodb/foxx/manager-utils');
const store = require('@arangodb/foxx/store');
const FoxxService = require('@arangodb/foxx/service');
const generator = require('@arangodb/foxx/generator');
const routeAndExportService = require('@arangodb/foxx/routing').routeService;
const formatUrl = require('url').format;
const parseUrl = require('url').parse;
const arangodb = require('@arangodb');
const ArangoError = arangodb.ArangoError;
const db = arangodb.db;
const checkParameter = arangodb.checkParameter;
const errors = arangodb.errors;
const cluster = require('@arangodb/cluster');
const download = require('internal').download;
const executeGlobalContextFunction = require('internal').executeGlobalContextFunction;
const actions = require('@arangodb/actions');
const plainServerVersion = require('@arangodb').plainServerVersion;
const throwDownloadError = arangodb.throwDownloadError;
const throwFileNotFound = arangodb.throwFileNotFound;
// Regular expressions for joi patterns
const RE_EMPTY = /^$/;
const RE_NOT_EMPTY = /./;
const legacyManifestFields = [
'assets',
'controllers',
'exports',
'isSystem'
];
const manifestSchema = {
// FoxxStore metadata
name: joi.string().regex(/^[-_a-z][-_a-z0-9]*$/i).optional(),
version: joi.string().optional(),
keywords: joi.array().optional(),
license: joi.string().optional(),
repository: (
joi.object().optional()
.keys({
type: joi.string().required(),
url: joi.string().required()
})
),
// Additional web interface metadata
author: joi.string().allow('').default(''),
contributors: joi.array().optional(),
description: joi.string().allow('').default(''),
thumbnail: joi.string().optional(),
// Compatibility
engines: (
joi.object().optional()
.pattern(RE_EMPTY, joi.forbidden())
.pattern(RE_NOT_EMPTY, joi.string().required())
),
// Index redirect
defaultDocument: joi.string().allow('').optional(),
// JS path
lib: joi.string().default('.'),
// Entrypoint
main: joi.string().optional(),
// Config
configuration: (
joi.object().optional()
.pattern(RE_EMPTY, joi.forbidden())
.pattern(RE_NOT_EMPTY, (
joi.object().required()
.keys({
default: joi.any().optional(),
type: (
joi.only(Object.keys(utils.parameterTypes))
.default('string')
),
description: joi.string().optional(),
required: joi.boolean().default(true)
})
))
),
// Dependencies supported
dependencies: (
joi.object().optional()
.pattern(RE_EMPTY, joi.forbidden())
.pattern(RE_NOT_EMPTY, joi.alternatives().try(
joi.string().required(),
joi.object().required()
.keys({
name: joi.string().default('*'),
version: joi.string().default('*'),
required: joi.boolean().default(true)
})
))
),
// Dependencies provided
provides: (
joi.alternatives().try(
joi.string().optional(),
joi.array().optional()
.items(joi.string().required()),
joi.object().optional()
.pattern(RE_EMPTY, joi.forbidden())
.pattern(RE_NOT_EMPTY, joi.string().required())
)
),
// Bundled assets
files: (
joi.object().optional()
.pattern(RE_EMPTY, joi.forbidden())
.pattern(RE_NOT_EMPTY, joi.alternatives().try(
joi.string().required(),
joi.object().required()
.keys({
path: joi.string().required(),
gzip: joi.boolean().optional(),
type: joi.string().optional()
})
))
),
// Scripts/queue jobs
scripts: (
joi.object().optional()
.pattern(RE_EMPTY, joi.forbidden())
.pattern(RE_NOT_EMPTY, joi.string().required())
.default(Object, 'empty scripts object')
),
// Foxx tests path
tests: (
joi.alternatives()
.try(
joi.string().required(),
(
joi.array().optional()
.items(joi.string().required())
.default(Array, 'empty test files array')
)
)
)
};
var serviceCache = {};
var usedSystemMountPoints = [
'/_admin/aardvark', // Admin interface.
'/_api/gharial' // General_Graph API.
];
////////////////////////////////////////////////////////////////////////////////
/// @brief Searches through a tree of files and returns true for all service roots
////////////////////////////////////////////////////////////////////////////////
function filterServiceRoots(folder) {
return /[\\\/]APP$/i.test(folder) && !/(APP[\\\/])(.*)APP$/i.test(folder);
}
////////////////////////////////////////////////////////////////////////////////
/// @brief Trigger reload routing
/// Triggers reloading of routes in this as well as all other threads.
////////////////////////////////////////////////////////////////////////////////
function reloadRouting() {
executeGlobalContextFunction('reloadRouting');
actions.reloadRouting();
}
////////////////////////////////////////////////////////////////////////////////
/// @brief Resets the service cache
////////////////////////////////////////////////////////////////////////////////
function resetCache() {
_.each(serviceCache, (cache) => {
_.each(cache, (service) => {
service.main.loaded = false;
});
});
serviceCache = {};
}
////////////////////////////////////////////////////////////////////////////////
/// @brief lookup service in cache
/// Returns either the service or undefined if it is not cached.
////////////////////////////////////////////////////////////////////////////////
function lookupService(mount) {
var dbname = arangodb.db._name();
if (!serviceCache.hasOwnProperty(dbname) || Object.keys(serviceCache[dbname]).length === 0) {
refillCaches(dbname);
}
if (!serviceCache[dbname].hasOwnProperty(mount)) {
refillCaches(dbname);
if (serviceCache[dbname].hasOwnProperty(mount)) {
return serviceCache[dbname][mount];
}
throw new ArangoError({
errorNum: errors.ERROR_APP_NOT_FOUND.code,
errorMessage: dd`
${errors.ERROR_APP_NOT_FOUND.message}
Mount path: "${mount}".
`
});
}
return serviceCache[dbname][mount];
}
////////////////////////////////////////////////////////////////////////////////
/// @brief refills the routing cache
////////////////////////////////////////////////////////////////////////////////
function refillCaches(dbname) {
var cache = {};
_.each(serviceCache[dbname], (service) => {
service.main.loaded = false;
});
var cursor = utils.getStorage().all();
var routes = [];
while (cursor.hasNext()) {
var config = cursor.next();
var service = new FoxxService(Object.assign({}, config));
var mount = service.mount;
cache[mount] = service;
routes.push(mount);
}
serviceCache[dbname] = cache;
return routes;
}
////////////////////////////////////////////////////////////////////////////////
/// @brief routes of a foxx
////////////////////////////////////////////////////////////////////////////////
function routes(mount) {
var service = lookupService(mount);
return routeAndExportService(service, false).routes;
}
////////////////////////////////////////////////////////////////////////////////
/// @brief ensure a foxx is routed
////////////////////////////////////////////////////////////////////////////////
function ensureRouted(mount) {
var service = lookupService(mount);
return routeAndExportService(service, false);
}
////////////////////////////////////////////////////////////////////////////////
/// @brief Makes sure all system services are mounted.
////////////////////////////////////////////////////////////////////////////////
function checkMountedSystemService(dbname) {
var i, mount;
//var collection = utils.getStorage();
for (i = 0; i < usedSystemMountPoints.length; ++i) {
mount = usedSystemMountPoints[i];
delete serviceCache[dbname][mount];
_scanFoxx(mount, {replace: true});
executeScript('setup', lookupService(mount));
}
}
////////////////////////////////////////////////////////////////////////////////
/// @brief check a manifest for completeness
///
/// this implements issue #590: Manifest Lint
////////////////////////////////////////////////////////////////////////////////
function checkManifest(filename, inputManifest, mount) {
const serverVersion = plainServerVersion();
const errors = [];
const warnings = [];
const notices = [];
const manifest = {};
let legacy = false;
Object.keys(manifestSchema).forEach(function (key) {
const schema = manifestSchema[key];
const value = inputManifest[key];
const result = joi.validate(value, schema);
if (result.error) {
const error = result.error.message.replace(/^"value"/, `Field "${key}"`);
errors.push(`${error} (was "${util.format(value)}").`);
} else {
manifest[key] = result.value;
}
});
if (manifest.engines && manifest.engines.arangodb) {
if (semver.gtr('3.0.0', manifest.engines.arangodb)) {
legacy = true;
notices.push(il`
Service expects version ${manifest.engines.arangodb}
and will run in legacy compatibility mode.
`);
} else if (!semver.satisfies(serverVersion, manifest.engines.arangodb)) {
warnings.push(il`
ArangoDB version ${serverVersion} probably not compatible
with expected version ${manifest.engines.arangodb}.
`);
}
}
for (const key of Object.keys(inputManifest)) {
if (manifestSchema[key]) {
continue;
}
manifest[key] = inputManifest[key];
if (key === 'engine' && !inputManifest.engines) {
warnings.push('Unknown field "engine". Did you mean "engines"?');
} else if (!legacy || legacyManifestFields.indexOf(key) === -1) {
warnings.push(`Unknown field "${key}".`);
}
}
if (manifest.version && !semver.valid(manifest.version)) {
warnings.push(`Not a valid version: "${manifest.verison}"`);
}
if (manifest.provides) {
if (typeof manifest.provides === 'string') {
manifest.provides = [manifest.provides];
}
if (Array.isArray(manifest.provides)) {
const provides = manifest.provides;
manifest.provides = {};
for (const provided of provides) {
const tokens = provided.split(':');
manifest.provides[tokens[0]] = tokens[1] || '*';
}
}
for (const name of Object.keys(manifest.provides)) {
const version = manifest.provides[name];
if (!semver.valid(version)) {
errors.push(`Provided "${name}" invalid version: "${version}".`);
}
}
}
if (manifest.dependencies) {
for (const key of Object.keys(manifest.dependencies)) {
if (typeof manifest.dependencies[key] === 'string') {
const tokens = manifest.dependencies[key].split(':');
manifest.dependencies[key] = {
name: tokens[0] || '*',
version: tokens[1] || '*',
required: true
};
}
const version = manifest.dependencies[key].version;
if (!semver.validRange(version)) {
errors.push(`Dependency "${key}" invalid version: "${version}".`);
}
}
}
if (notices.length) {
console.infoLines(dd`
Manifest for service at "${mount}":
${notices.join('\n')}
`);
}
if (warnings.length) {
console.warnLines(dd`
Manifest for service at "${mount}":
${warnings.join('\n')}
`);
}
if (errors.length) {
console.errorLines(dd`
Manifest for service at "${mount}":
${errors.join('\n')}
`);
throw new ArangoError({
errorNum: errors.ERROR_INVALID_APPLICATION_MANIFEST.code,
errorMessage: dd`
${errors.ERROR_INVALID_APPLICATION_MANIFEST.message}
Manifest for service at "${mount}":
${errors.join('\n')}
`
});
}
if (legacy) {
if (manifest.defaultDocument === undefined) {
manifest.defaultDocument = 'index.html';
}
if (typeof manifest.controllers === 'string') {
manifest.controllers = {'/': manifest.controllers};
}
}
if (typeof manifest.tests === 'string') {
manifest.tests = [manifest.tests];
}
return manifest;
}
////////////////////////////////////////////////////////////////////////////////
/// @brief validates a manifest file and returns it.
/// All errors are handled including file not found. Returns undefined if manifest is invalid
////////////////////////////////////////////////////////////////////////////////
function validateManifestFile(filename, mount) {
let mf;
if (!fs.exists(filename)) {
throwFileNotFound(`Cannot find manifest file "${filename}"`);
}
try {
mf = JSON.parse(fs.read(filename));
} catch (e) {
throw Object.assign(
new ArangoError({
errorNum: errors.ERROR_MALFORMED_MANIFEST_FILE.code,
errorMessage: dd`
${errors.ERROR_MALFORMED_MANIFEST_FILE.message}
File: ${filename}
Cause: ${e.stack}
`
}), {cause: e}
);
}
try {
mf = checkManifest(filename, mf, mount);
} catch (e) {
throw Object.assign(
new ArangoError({
errorNum: errors.ERROR_INVALID_APPLICATION_MANIFEST.code,
errorMessage: dd`
${errors.ERROR_INVALID_APPLICATION_MANIFEST.message}
File: ${filename}
Cause: ${e.stack}
`
}), {cause: e}
);
}
return mf;
}
////////////////////////////////////////////////////////////////////////////////
/// @brief Checks if the mountpoint is reserved for system services
////////////////////////////////////////////////////////////////////////////////
function isSystemMount(mount) {
return (/^\/_/).test(mount);
}
////////////////////////////////////////////////////////////////////////////////
/// @brief returns the root path for service. Knows about system services
////////////////////////////////////////////////////////////////////////////////
function computeRootServicePath(mount) {
if (isSystemMount(mount)) {
return FoxxService._systemAppPath;
}
return FoxxService._appPath;
}
////////////////////////////////////////////////////////////////////////////////
/// @brief transforms a mount point to a sub-path relative to root
////////////////////////////////////////////////////////////////////////////////
function transformMountToPath(mount) {
var list = mount.split('/');
return joinPath(...list, 'APP');
}
////////////////////////////////////////////////////////////////////////////////
/// @brief transforms a sub-path to a mount point
////////////////////////////////////////////////////////////////////////////////
function transformPathToMount(path) {
var list = path.split(fs.pathSeparator);
list.pop();
return '/' + list.join('/');
}
////////////////////////////////////////////////////////////////////////////////
/// @brief returns the service path for mount point
////////////////////////////////////////////////////////////////////////////////
function computeServicePath(mount) {
var root = computeRootServicePath(mount);
var mountPath = transformMountToPath(mount);
return joinPath(root, mountPath);
}
////////////////////////////////////////////////////////////////////////////////
/// @brief executes a service script
////////////////////////////////////////////////////////////////////////////////
function executeScript(scriptName, service, argv) {
var scripts = service.manifest.scripts;
// Only run setup/teardown scripts if they exist
if (scripts[scriptName] || (scriptName !== 'setup' && scriptName !== 'teardown')) {
return service.run(scripts[scriptName], {
foxxContext: {
argv: argv ? (Array.isArray(argv) ? argv : [argv]) : []
}
});
}
}
////////////////////////////////////////////////////////////////////////////////
/// @brief returns a valid service config for validation purposes
////////////////////////////////////////////////////////////////////////////////
function fakeServiceConfig(path, mount) {
var file = joinPath(path, 'manifest.json');
return {
id: '__internal',
root: '',
path: path,
options: {},
mount: '/internal',
manifest: validateManifestFile(file, mount),
isSystem: false,
isDevelopment: false
};
}
////////////////////////////////////////////////////////////////////////////////
/// @brief returns the service path and manifest
////////////////////////////////////////////////////////////////////////////////
function serviceConfig(mount, options, activateDevelopment) {
var root = computeRootServicePath(mount);
var path = transformMountToPath(mount);
var file = joinPath(root, path, 'manifest.json');
return {
id: mount,
path: path,
options: options || {},
mount: mount,
manifest: validateManifestFile(file, mount),
isSystem: isSystemMount(mount),
isDevelopment: activateDevelopment || false
};
}
////////////////////////////////////////////////////////////////////////////////
/// @brief Creates a service with options and returns it
/// All errors are handled including service not found. Returns undefined if service is invalid.
/// If the service is valid it will be added into the local service cache.
////////////////////////////////////////////////////////////////////////////////
function createService(mount, options, activateDevelopment) {
var dbname = arangodb.db._name();
var config = serviceConfig(mount, options, activateDevelopment);
var service = new FoxxService(config);
serviceCache[dbname][mount] = service;
return service;
}
////////////////////////////////////////////////////////////////////////////////
/// @brief Distributes zip file to peer coordinators. Only used in cluster
////////////////////////////////////////////////////////////////////////////////
function uploadToPeerCoordinators(serviceInfo, coordinators) {
let coordOptions = {
coordTransactionID: ArangoClusterComm.getId()
};
let req = fs.readBuffer(joinPath(fs.getTempPath(), serviceInfo));
let httpOptions = {};
let mapping = {};
for (let i = 0; i < coordinators.length; ++i) {
let ctid = ArangoClusterInfo.uniqid();
mapping[ctid] = coordinators[i];
coordOptions.clientTransactionID = ctid;
ArangoClusterComm.asyncRequest('POST', 'server:' + coordinators[i], db._name(),
'/_api/upload', req, httpOptions, coordOptions);
}
delete coordOptions.clientTransactionID;
return {
results: cluster.wait(coordOptions, coordinators.length),
mapping
};
}
////////////////////////////////////////////////////////////////////////////////
/// @brief Generates a service with the given options into the targetPath
////////////////////////////////////////////////////////////////////////////////
function installServiceFromGenerator(targetPath, options) {
var invalidOptions = [];
// Set default values:
options.documentCollections = options.documentCollections || [];
options.edgeCollections = options.edgeCollections || [];
if (typeof options.name !== 'string') {
invalidOptions.push('options.name has to be a string.');
}
if (typeof options.author !== 'string') {
invalidOptions.push('options.author has to be a string.');
}
if (typeof options.description !== 'string') {
invalidOptions.push('options.description has to be a string.');
}
if (typeof options.license !== 'string') {
invalidOptions.push('options.license has to be a string.');
}
if (!Array.isArray(options.documentCollections)) {
invalidOptions.push('options.documentCollections has to be an array.');
}
if (!Array.isArray(options.edgeCollections)) {
invalidOptions.push('options.edgeCollections has to be an array.');
}
if (invalidOptions.length > 0) {
throw new ArangoError({
errorNum: errors.ERROR_INVALID_FOXX_OPTIONS.code,
errorMessage: dd`
${errors.ERROR_INVALID_FOXX_OPTIONS.message}
Options: ${JSON.stringify(invalidOptions, undefined, 2)}
`
});
}
var cfg = generator.generate(options);
generator.write(targetPath, cfg.files, cfg.folders);
}
////////////////////////////////////////////////////////////////////////////////
/// @brief Extracts a service from zip and moves it to temporary path
///
/// return path to service
////////////////////////////////////////////////////////////////////////////////
function extractServiceToPath(archive, targetPath, noDelete) {
var tempFile = fs.getTempFile('zip', false);
fs.makeDirectory(tempFile);
fs.unzipFile(archive, tempFile, false, true);
// .............................................................................
// throw away source file
// .............................................................................
if (!noDelete) {
try {
fs.remove(archive);
}
catch (err1) {
arangodb.printf(`Cannot remove temporary file "${archive}"\n`);
}
}
// .............................................................................
// locate the manifest file
// .............................................................................
var tree = fs.listTree(tempFile).sort(function(a, b) {
return a.length - b.length;
});
var found;
var mf = 'manifest.json';
var re = /[\/\\\\]manifest\.json$/; // Windows!
var tf;
var i;
for (i = 0; i < tree.length && found === undefined; ++i) {
tf = tree[i];
if (re.test(tf) || tf === mf) {
found = tf;
}
}
if (found === undefined) {
throwFileNotFound(`Cannot find manifest file in zip file "${tempFile}"`);
}
var mp;
if (found === mf) {
mp = '.';
}
else {
mp = found.substr(0, found.length - mf.length - 1);
}
fs.move(joinPath(tempFile, mp), targetPath);
// .............................................................................
// throw away temporary service folder
// .............................................................................
if (found !== mf) {
try {
fs.removeDirectoryRecursive(tempFile);
}
catch (err1) {
let details = String(err1.stack || err1);
arangodb.printf(`Cannot remove temporary folder "${tempFile}"\n Stack: ${details}`);
}
}
}
////////////////////////////////////////////////////////////////////////////////
/// @brief builds a github repository URL
////////////////////////////////////////////////////////////////////////////////
function buildGithubUrl(serviceInfo) {
var splitted = serviceInfo.split(':');
var repository = splitted[1];
var version = splitted[2];
if (version === undefined) {
version = 'master';
}
var urlPrefix = require('process').env.FOXX_BASE_URL;
if (urlPrefix === undefined) {
urlPrefix = 'https://github.com/';
}
return urlPrefix + repository + '/archive/' + version + '.zip';
}
////////////////////////////////////////////////////////////////////////////////
/// @brief Downloads a service from remote zip file and copies it to mount path
////////////////////////////////////////////////////////////////////////////////
function installServiceFromRemote(url, targetPath) {
var tempFile = fs.getTempFile('downloads', false);
var auth;
var urlObj = parseUrl(url);
if (urlObj.auth) {
auth = urlObj.auth.split(':');
auth = {
username: decodeURIComponent(auth[0]),
password: decodeURIComponent(auth[1])
};
delete urlObj.auth;
url = formatUrl(urlObj);
}
try {
var result = download(url, '', {
method: 'get',
followRedirects: true,
timeout: 30,
auth: auth
}, tempFile);
if (result.code < 200 || result.code > 299) {
throwDownloadError(`Could not download from "${url}"`);
}
}
catch (err) {
let details = String(err.stack || err);
throwDownloadError(`Could not download from "${url}": ${details}`);
}
extractServiceToPath(tempFile, targetPath);
}
function patchManifestFile(servicePath, patchData) {
if (!patchData || !Object.keys(patchData).length) {
return;
}
const filename = joinPath(servicePath, 'manifest.json');
let manifest;
try {
const rawManifest = fs.read(filename);
manifest = JSON.parse(rawManifest);
} catch (e) {
throw Object.assign(
new ArangoError({
errorNum: errors.ERROR_MALFORMED_MANIFEST_FILE.code,
errorMessage: dd`
${errors.ERROR_MALFORMED_MANIFEST_FILE.message}
File: ${filename}
Cause: ${e.stack}
`
}), {cause: e}
);
}
Object.assign(manifest, patchData);
fs.write(filename, JSON.stringify(manifest));
}
////////////////////////////////////////////////////////////////////////////////
/// @brief Copies a service from local, either zip file or folder, to mount path
////////////////////////////////////////////////////////////////////////////////
function installServiceFromLocal(path, targetPath) {
if (fs.isDirectory(path)) {
extractServiceToPath(utils.zipDirectory(path), targetPath);
} else {
extractServiceToPath(path, targetPath, true);
}
}
////////////////////////////////////////////////////////////////////////////////
/// @brief run a Foxx service script
///
/// Input:
/// * scriptName: the script name
/// * mount: the mount path starting with a "/"
///
/// Output:
/// -
////////////////////////////////////////////////////////////////////////////////
function runScript(scriptName, mount, options) {
checkParameter(
'runScript(<scriptName>, <mount>, [<options>])',
[ [ 'Script name', 'string' ], [ 'Mount path', 'string' ] ],
[ scriptName, mount ]
);
var service = lookupService(mount);
return executeScript(scriptName, service, options) || null;
}
////////////////////////////////////////////////////////////////////////////////
/// @brief return the service's README.md
///
/// Input:
/// * mount: the mount path starting with a "/"
///
/// Output:
/// -
////////////////////////////////////////////////////////////////////////////////
function readme(mount) {
checkParameter(
'readme(<mount>)',
[ [ 'Mount path', 'string' ] ],
[ mount ]
);
let service = lookupService(mount);
let path, readmeText;
path = joinPath(service.root, service.path, 'README.md');
readmeText = fs.exists(path) && fs.read(path);
if (!readmeText) {
path = joinPath(service.root, service.path, 'README');
readmeText = fs.exists(path) && fs.read(path);
}
return readmeText || null;
}
////////////////////////////////////////////////////////////////////////////////
/// @brief run a Foxx service's tests
///
/// Input:
/// * mount: the mount path starting with a "/"
///
/// Output:
/// -
////////////////////////////////////////////////////////////////////////////////
function runTests(mount, options) {
checkParameter(
'runTests(<mount>, [<options>])',
[ [ 'Mount path', 'string' ] ],
[ mount ]
);
var service = lookupService(mount);
var reporter = options ? options.reporter : null;
return require('@arangodb/foxx/mocha').run(service, reporter);
}
////////////////////////////////////////////////////////////////////////////////
/// @brief Initializes the serviceCache and fills it initially for each db.
////////////////////////////////////////////////////////////////////////////////
function initCache() {
var dbname = arangodb.db._name();
if (!serviceCache.hasOwnProperty(dbname)) {
initializeFoxx();
}
}
////////////////////////////////////////////////////////////////////////////////
/// @brief Internal scanFoxx function. Check scanFoxx.
/// Does not check parameters and throws errors.
////////////////////////////////////////////////////////////////////////////////
function _scanFoxx(mount, options, activateDevelopment) {
options = options || { };
var dbname = arangodb.db._name();
delete serviceCache[dbname][mount];
var service = createService(mount, options, activateDevelopment);
if (!options.__clusterDistribution) {
db._executeTransaction({
collections: {
write: utils.getStorage().name()
},
action() {
try {
utils.getStorage().save(service.toJSON());
}
catch (err) {
if (!options.replace || err.errorNum !== errors.ERROR_ARANGO_UNIQUE_CONSTRAINT_VIOLATED.code) {
throw err;
}
var old = utils.getStorage().firstExample({ mount: mount });
if (old === null) {
throw new ArangoError({
errorNum: errors.ERROR_APP_NOT_FOUND.code,
errorMessage: dd`
${errors.ERROR_APP_NOT_FOUND.message}
Mount path: "${mount}".
`
});
}
var data = Object.assign({}, old);
data.manifest = service.toJSON().manifest;
utils.getStorage().replace(old, data);
}
}
});
}
return service;
}
////////////////////////////////////////////////////////////////////////////////
/// @brief Scans the sources of the given mountpoint and publishes the routes
///
/// TODO: Long Documentation!
////////////////////////////////////////////////////////////////////////////////
function scanFoxx(mount, options) {
checkParameter(
'scanFoxx(<mount>)',
[ [ 'Mount path', 'string' ] ],
[ mount ] );
initCache();
var service = _scanFoxx(mount, options);
reloadRouting();
return service.simpleJSON();
}
////////////////////////////////////////////////////////////////////////////////
/// @brief Scans the sources of the given mountpoint and publishes the routes
///
/// TODO: Long Documentation!
////////////////////////////////////////////////////////////////////////////////
function rescanFoxx(mount) {
checkParameter(
'scanFoxx(<mount>)',
[ [ 'Mount path', 'string' ] ],
[ mount ] );
var old = lookupService(mount);
//var collection = utils.getStorage();
initCache();
_scanFoxx(
mount,
Object.assign({}, old.options, {replace: true}),
old.isDevelopment
);
}
////////////////////////////////////////////////////////////////////////////////
/// @brief Build service in path
////////////////////////////////////////////////////////////////////////////////
function _buildServiceInPath(serviceInfo, path, options) {
try {
if (serviceInfo === 'EMPTY') {
// Make Empty service
installServiceFromGenerator(path, options || {});
} else if (/^GIT:/i.test(serviceInfo)) {
installServiceFromRemote(buildGithubUrl(serviceInfo), path);
} else if (/^https?:/i.test(serviceInfo)) {
installServiceFromRemote(serviceInfo, path);
} else if (utils.pathRegex.test(serviceInfo)) {
installServiceFromLocal(serviceInfo, path);
} else if (/^uploads[\/\\]tmp-/.test(serviceInfo)) {
serviceInfo = joinPath(fs.getTempPath(), serviceInfo);
installServiceFromLocal(serviceInfo, path);
} else {
if (!options || options.refresh !== false) {
try {
store.update();
} catch (e) {
console.warnLines(`Failed to update Foxx store: ${e.stack}`);
}
}
const info = store.installationInfo(serviceInfo);
installServiceFromRemote(info.url, path);
patchManifestFile(path, info.manifest);
}
} catch (e) {
try {
fs.removeDirectoryRecursive(path, true);
} catch (err) {
// noop
}
throw e;
}
}
////////////////////////////////////////////////////////////////////////////////
/// @brief Internal service validation function
/// Does not check parameters and throws errors.
////////////////////////////////////////////////////////////////////////////////
function _validateService(serviceInfo, mount) {
var tempPath = fs.getTempFile('apps', false);
try {
_buildServiceInPath(serviceInfo, tempPath, {});
var tmp = new FoxxService(fakeServiceConfig(tempPath, mount));
if (!tmp.needsConfiguration()) {
routeAndExportService(tmp, true);
}
} finally {
fs.removeDirectoryRecursive(tempPath, true);
}
}
////////////////////////////////////////////////////////////////////////////////
/// @brief Internal install function. Check install.
/// Does not check parameters and throws errors.
////////////////////////////////////////////////////////////////////////////////
function _install(serviceInfo, mount, options, runSetup) {
var targetPath = computeServicePath(mount, true);
var service;
var collection = utils.getStorage();
options = options || {};
if (fs.exists(targetPath)) {
throw new ArangoError({
errorNum: errors.ERROR_APP_MOUNTPOINT_CONFLICT.code,
errorMessage: dd`
${errors.ERROR_APP_MOUNTPOINT_CONFLICT.message}
Mount path: "${mount}".
`
});
}
fs.makeDirectoryRecursive(targetPath);
// Remove the empty APP folder.
// Ohterwise move will fail.
fs.removeDirectory(targetPath);
initCache();
_buildServiceInPath(serviceInfo, targetPath, options);
try {
service = _scanFoxx(mount, options);
if (runSetup) {
executeScript('setup', lookupService(mount));
}
if (!service.needsConfiguration()) {
// Validate Routing & Exports
routeAndExportService(service, true);
}
} catch (e) {
try {
fs.removeDirectoryRecursive(targetPath, true);
} catch (err) {
console.errorLines(err.stack);
}
try {
if (!options.__clusterDistribution) {
db._executeTransaction({
collections: {
write: collection.name()
},
action() {
var definition = collection.firstExample({mount: mount});
if (definition !== null) {
collection.remove(definition._key);
}
}
});
}
} catch (err) {
console.errorLines(err.stack);
}
throw e;
}
return service;
}
////////////////////////////////////////////////////////////////////////////////
/// @brief Installs a new foxx service on the given mount point.
///
/// TODO: Long Documentation!
////////////////////////////////////////////////////////////////////////////////
function install(serviceInfo, mount, options) {
checkParameter(
'install(<serviceInfo>, <mount>, [<options>])',
[ [ 'Install information', 'string' ],
[ 'Mount path', 'string' ] ],
[ serviceInfo, mount ] );
utils.validateMount(mount);
let hasToBeDistributed = /^uploads[\/\\]tmp-/.test(serviceInfo);
var service = _install(serviceInfo, mount, options, true);
options = options || {};
if (ArangoServerState.isCoordinator() && !options.__clusterDistribution) {
let name = ArangoServerState.id();
let coordinators = ArangoClusterInfo.getCoordinators().filter(function(c) {
return c !== name;
});
if (hasToBeDistributed) {
let result = uploadToPeerCoordinators(serviceInfo, coordinators);
let mapping = result.mapping;
let res = result.results;
let intOpts = JSON.parse(JSON.stringify(options));
intOpts.__clusterDistribution = true;
let coordOptions = {
coordTransactionID: ArangoClusterComm.getId()
};
let httpOptions = {};
for (let i = 0; i < res.length; ++i) {
let b = JSON.parse(res[i].body);
/*jshint -W075:true */
let intReq = {appInfo: b.filename, mount, options: intOpts};
/*jshint -W075:false */
ArangoClusterComm.asyncRequest('POST', 'server:' + mapping[res[i].clientTransactionID], db._name(),
'/_admin/foxx/install', JSON.stringify(intReq), httpOptions, coordOptions);
}
cluster.wait(coordOptions, res.length);
} else {
/*jshint -W075:true */
let req = {appInfo: serviceInfo, mount, options};
/*jshint -W075:false */
let httpOptions = {};
let coordOptions = {
coordTransactionID: ArangoClusterComm.getId()
};
req.options.__clusterDistribution = true;
req = JSON.stringify(req);
for (let i = 0; i < coordinators.length; ++i) {
if (coordinators[i] !== ArangoServerState.id()) {
ArangoClusterComm.asyncRequest('POST', 'server:' + coordinators[i], db._name(),
'/_admin/foxx/install', req, httpOptions, coordOptions);
}
}
cluster.wait(coordOptions, coordinators.length - 1);
}
}
reloadRouting();
return service.simpleJSON();
}
////////////////////////////////////////////////////////////////////////////////
/// @brief Internal install function. Check install.
/// Does not check parameters and throws errors.
////////////////////////////////////////////////////////////////////////////////
function _uninstall(mount, options) {
var dbname = arangodb.db._name();
if (!serviceCache.hasOwnProperty(dbname)) {
initializeFoxx(options);
}
var service;
options = options || {};
try {
service = lookupService(mount);
} catch (e) {
if (!options.force) {
throw e;
}
}
var collection = utils.getStorage();
var targetPath = computeServicePath(mount, true);
delete serviceCache[dbname][mount];
if (!options.__clusterDistribution) {
try {
db._executeTransaction({
collections: {
write: collection.name()
},
action() {
var definition = collection.firstExample({mount: mount});
collection.remove(definition._key);
}
});
} catch (e) {
if (!options.force) {
throw e;
}
}
}
if (options.teardown !== false && options.teardown !== 'false') {
try {
executeScript('teardown', service);
} catch (e) {
if (!options.force) {
throw e;
}
}
}
try {
fs.removeDirectoryRecursive(targetPath, true);
} catch (e) {
if (!options.force) {
throw e;
}
}
if (options.force && service === undefined) {
return {
simpleJSON() {
return {
name: 'force uninstalled',
version: 'unknown',
mount: mount
};
}
};
}
return service;
}
////////////////////////////////////////////////////////////////////////////////
/// @brief Uninstalls the foxx service on the given mount point.
///
/// TODO: Long Documentation!
////////////////////////////////////////////////////////////////////////////////
function uninstall(mount, options) {
checkParameter(
'uninstall(<mount>, [<options>])',
[ [ 'Mount path', 'string' ] ],
[ mount ] );
utils.validateMount(mount);
options = options || {};
var service = _uninstall(mount, options);
if (ArangoServerState.isCoordinator() && !options.__clusterDistribution) {
let coordinators = ArangoClusterInfo.getCoordinators();
/*jshint -W075:true */
let req = {mount, options};
/*jshint -W075:false */
let httpOptions = {};
let coordOptions = {
coordTransactionID: ArangoClusterComm.getId()
};
req.options.__clusterDistribution = true;
req.options.force = true;
req = JSON.stringify(req);
for (let i = 0; i < coordinators.length; ++i) {
if (coordinators[i] !== ArangoServerState.id()) {
ArangoClusterComm.asyncRequest('POST', 'server:' + coordinators[i], db._name(),
'/_admin/foxx/uninstall', req, httpOptions, coordOptions);
}
}
cluster.wait(coordOptions, coordinators.length - 1);
}
reloadRouting();
return service.simpleJSON();
}
////////////////////////////////////////////////////////////////////////////////
/// @brief Replaces a foxx service on the given mount point by an other one.
///
/// TODO: Long Documentation!
////////////////////////////////////////////////////////////////////////////////
function replace(serviceInfo, mount, options) {
checkParameter(
'replace(<serviceInfo>, <mount>, [<options>])',
[ [ 'Install information', 'string' ],
[ 'Mount path', 'string' ] ],
[ serviceInfo, mount ] );
utils.validateMount(mount);
_validateService(serviceInfo, mount);
options = options || {};
let hasToBeDistributed = /^uploads[\/\\]tmp-/.test(serviceInfo);
if (ArangoServerState.isCoordinator() && !options.__clusterDistribution) {
let name = ArangoServerState.id();
let coordinators = ArangoClusterInfo.getCoordinators().filter(function(c) {
return c !== name;
});
if (hasToBeDistributed) {
let result = uploadToPeerCoordinators(serviceInfo, coordinators);
let mapping = result.mapping;
let res = result.results;
let intOpts = JSON.parse(JSON.stringify(options));
intOpts.__clusterDistribution = true;
let coordOptions = {
coordTransactionID: ArangoClusterComm.getId()
};
let httpOptions = {};
for (let i = 0; i < res.length; ++i) {
let b = JSON.parse(res[i].body);
/*jshint -W075:true */
let intReq = {appInfo: b.filename, mount, options: intOpts};
/*jshint -W075:false */
ArangoClusterComm.asyncRequest('POST', 'server:' + mapping[res[i].coordinatorTransactionID], db._name(),
'/_admin/foxx/replace', JSON.stringify(intReq), httpOptions, coordOptions);
}
cluster.wait(coordOptions, res.length);
} else {
let intOpts = JSON.parse(JSON.stringify(options));
/*jshint -W075:true */
let req = {appInfo: serviceInfo, mount, options: intOpts};
/*jshint -W075:false */
let httpOptions = {};
let coordOptions = {
coordTransactionID: ArangoClusterComm.getId()
};
req.options.__clusterDistribution = true;
req.options.force = true;
req = JSON.stringify(req);
for (let i = 0; i < coordinators.length; ++i) {
ArangoClusterComm.asyncRequest('POST', 'server:' + coordinators[i], db._name(),
'/_admin/foxx/replace', req, httpOptions, coordOptions);
}
cluster.wait(coordOptions, coordinators.length);
}
}
_uninstall(mount, {teardown: true,
__clusterDistribution: options.__clusterDistribution || false,
force: !options.__clusterDistribution
});
var service = _install(serviceInfo, mount, options, true);
reloadRouting();
return service.simpleJSON();
}
////////////////////////////////////////////////////////////////////////////////
/// @brief Upgrade a foxx service on the given mount point by a new one.
///
/// TODO: Long Documentation!
////////////////////////////////////////////////////////////////////////////////
function upgrade(serviceInfo, mount, options) {
checkParameter(
'upgrade(<serviceInfo>, <mount>, [<options>])',
[ [ 'Install information', 'string' ],
[ 'Mount path', 'string' ] ],
[ serviceInfo, mount ] );
utils.validateMount(mount);
_validateService(serviceInfo, mount);
options = options || {};
let hasToBeDistributed = /^uploads[\/\\]tmp-/.test(serviceInfo);
if (ArangoServerState.isCoordinator() && !options.__clusterDistribution) {
let name = ArangoServerState.id();
let coordinators = ArangoClusterInfo.getCoordinators().filter(function(c) {
return c !== name;
});
if (hasToBeDistributed) {
let result = uploadToPeerCoordinators(serviceInfo, coordinators);
let mapping = result.mapping;
let res = result.results;
let intOpts = JSON.parse(JSON.stringify(options));
intOpts.__clusterDistribution = true;
let coordOptions = {
coordTransactionID: ArangoClusterComm.getId()
};
let httpOptions = {};
for (let i = 0; i < res.length; ++i) {
let b = JSON.parse(res[i].body);
/*jshint -W075:true */
let intReq = {appInfo: b.filename, mount, options: intOpts};
/*jshint -W075:false */
ArangoClusterComm.asyncRequest('POST', 'server:' + mapping[res[i].coordinatorTransactionID], db._name(),
'/_admin/foxx/update', JSON.stringify(intReq), httpOptions, coordOptions);
}
cluster.wait(coordOptions, res.length);
} else {
let intOpts = JSON.parse(JSON.stringify(options));
/*jshint -W075:true */
let req = {appInfo: serviceInfo, mount, options: intOpts};
/*jshint -W075:false */
let httpOptions = {};
let coordOptions = {
coordTransactionID: ArangoClusterComm.getId()
};
req.options.__clusterDistribution = true;
req.options.force = true;
req = JSON.stringify(req);
for (let i = 0; i < coordinators.length; ++i) {
ArangoClusterComm.asyncRequest('POST', 'server:' + coordinators[i], db._name(),
'/_admin/foxx/update', req, httpOptions, coordOptions);
}
cluster.wait(coordOptions, coordinators.length);
}
}
var oldService = lookupService(mount);
var oldConf = oldService.getConfiguration(true);
options.configuration = options.configuration || {};
Object.keys(oldConf).forEach(function (key) {
if (!options.configuration.hasOwnProperty(key)) {
options.configuration[key] = oldConf[key];
}
});
var oldDeps = oldService.options.dependencies || {};
options.dependencies = options.dependencies || {};
Object.keys(oldDeps).forEach(function (key) {
if (!options.dependencies.hasOwnProperty(key)) {
options.dependencies[key] = oldDeps[key];
}
});
_uninstall(mount, {teardown: false,
__clusterDistribution: options.__clusterDistribution || false,
force: !options.__clusterDistribution
});
var service = _install(serviceInfo, mount, options, true);
reloadRouting();
return service.simpleJSON();
}
////////////////////////////////////////////////////////////////////////////////
/// @brief initializes the Foxx services
////////////////////////////////////////////////////////////////////////////////
function initializeFoxx(options) {
var dbname = arangodb.db._name();
var mounts = syncWithFolder(options);
refillCaches(dbname);
checkMountedSystemService(dbname);
mounts.forEach(function (mount) {
executeScript('setup', lookupService(mount));
});
}
////////////////////////////////////////////////////////////////////////////////
/// @brief compute all service routes
////////////////////////////////////////////////////////////////////////////////
function mountPoints() {
var dbname = arangodb.db._name();
return refillCaches(dbname);
}
////////////////////////////////////////////////////////////////////////////////
/// @brief toggles development mode of service and reloads routing
////////////////////////////////////////////////////////////////////////////////
function _toggleDevelopment(mount, activate) {
var service = lookupService(mount);
service.development(activate);
utils.updateService(mount, service.toJSON());
reloadRouting();
return service;
}
////////////////////////////////////////////////////////////////////////////////
/// @brief activate development mode
////////////////////////////////////////////////////////////////////////////////
function setDevelopment(mount) {
checkParameter(
'development(<mount>)',
[ [ 'Mount path', 'string' ] ],
[ mount ] );
var service = _toggleDevelopment(mount, true);
return service.simpleJSON();
}
////////////////////////////////////////////////////////////////////////////////
/// @brief activate production mode
////////////////////////////////////////////////////////////////////////////////
function setProduction(mount) {
checkParameter(
'production(<mount>)',
[ [ 'Mount path', 'string' ] ],
[ mount ] );
var service = _toggleDevelopment(mount, false);
return service.simpleJSON();
}
////////////////////////////////////////////////////////////////////////////////
/// @brief Configure the service at the mountpoint
////////////////////////////////////////////////////////////////////////////////
function configure(mount, options) {
checkParameter(
'configure(<mount>)',
[ [ 'Mount path', 'string' ] ],
[ mount ] );
utils.validateMount(mount, true);
var service = lookupService(mount);
var invalid = service.applyConfiguration(options.configuration || {});
if (invalid.length > 0) {
// TODO Error handling
console.log(invalid);
}
utils.updateService(mount, service.toJSON());
reloadRouting();
return service.simpleJSON();
}
////////////////////////////////////////////////////////////////////////////////
/// @brief Set up dependencies of the service at the mountpoint
////////////////////////////////////////////////////////////////////////////////
function updateDeps(mount, options) {
checkParameter(
'updateDeps(<mount>)',
[ [ 'Mount path', 'string' ] ],
[ mount ] );
utils.validateMount(mount, true);
var service = lookupService(mount);
var invalid = service.applyDependencies(options.dependencies || {});
if (invalid.length > 0) {
// TODO Error handling
console.log(invalid);
}
utils.updateService(mount, service.toJSON());
reloadRouting();
return service.simpleJSON();
}
////////////////////////////////////////////////////////////////////////////////
/// @brief Get the configuration for the service at the given mountpoint
////////////////////////////////////////////////////////////////////////////////
function configuration(mount) {
checkParameter(
'configuration(<mount>)',
[ [ 'Mount path', 'string' ] ],
[ mount ] );
utils.validateMount(mount, true);
var service = lookupService(mount);
return service.getConfiguration();
}
////////////////////////////////////////////////////////////////////////////////
/// @brief Get the dependencies for the service at the given mountpoint
////////////////////////////////////////////////////////////////////////////////
function dependencies(mount) {
checkParameter(
'dependencies(<mount>)',
[ [ 'Mount path', 'string' ] ],
[ mount ] );
utils.validateMount(mount, true);
var service = lookupService(mount);
return service.getDependencies();
}
////////////////////////////////////////////////////////////////////////////////
/// @brief Require the exports defined on the mount point
////////////////////////////////////////////////////////////////////////////////
function requireService(mount) {
checkParameter(
'requireService(<mount>)',
[ [ 'Mount path', 'string' ] ],
[ mount ] );
utils.validateMount(mount, true);
var service = lookupService(mount);
if (service.needsConfiguration()) {
throw new ArangoError({
errorNum: errors.ERROR_APP_NEEDS_CONFIGURATION.code,
errorMessage: errors.ERROR_APP_NEEDS_CONFIGURATION.message
});
}
return routeAndExportService(service, true).exports;
}
////////////////////////////////////////////////////////////////////////////////
/// @brief Syncs the services in ArangoDB with the services stored on disc
////////////////////////////////////////////////////////////////////////////////
function syncWithFolder(options) {
var dbname = arangodb.db._name();
options = options || {};
options.replace = true;
serviceCache = serviceCache || {};
serviceCache[dbname] = {};
var folders = fs.listTree(FoxxService._appPath).filter(filterServiceRoots);
// var collection = utils.getStorage();
return folders.map(function (folder) {
var mount = transformPathToMount(folder);
_scanFoxx(mount, options);
return mount;
});
}
////////////////////////////////////////////////////////////////////////////////
/// @brief Exports
////////////////////////////////////////////////////////////////////////////////
exports.syncWithFolder = syncWithFolder;
exports.install = install;
exports.readme = readme;
exports.runTests = runTests;
exports.runScript = runScript;
exports.setup = _.partial(runScript, 'setup');
exports.teardown = _.partial(runScript, 'teardown');
exports.uninstall = uninstall;
exports.replace = replace;
exports.upgrade = upgrade;
exports.development = setDevelopment;
exports.production = setProduction;
exports.configure = configure;
exports.updateDeps = updateDeps;
exports.configuration = configuration;
exports.dependencies = dependencies;
exports.requireService = requireService;
exports._resetCache = resetCache;
////////////////////////////////////////////////////////////////////////////////
/// @brief Serverside only API
////////////////////////////////////////////////////////////////////////////////
exports.scanFoxx = scanFoxx;
exports.mountPoints = mountPoints;
exports.routes = routes;
exports.ensureRouted = ensureRouted;
exports.rescanFoxx = rescanFoxx;
exports.lookupService = lookupService;
////////////////////////////////////////////////////////////////////////////////
/// @brief Exports from foxx utils module.
////////////////////////////////////////////////////////////////////////////////
exports.mountedService = utils.mountedService;
exports.list = utils.list;
exports.listJson = utils.listJson;
exports.listDevelopment = utils.listDevelopment;
exports.listDevelopmentJson = utils.listDevelopmentJson;
////////////////////////////////////////////////////////////////////////////////
/// @brief Exports from foxx store module.
////////////////////////////////////////////////////////////////////////////////
exports.available = store.available;
exports.availableJson = store.availableJson;
exports.getFishbowlStorage = store.getFishbowlStorage;
exports.search = store.search;
exports.searchJson = store.searchJson;
exports.update = store.update;
exports.info = store.info;
exports.initializeFoxx = initializeFoxx;