315 lines
10 KiB
JavaScript
315 lines
10 KiB
JavaScript
"use strict";
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var __importDefault = (this && this.__importDefault) || function (mod) {
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return (mod && mod.__esModule) ? mod : { "default": mod };
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};
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Object.defineProperty(exports, "__esModule", { value: true });
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const express_1 = __importDefault(require("express"));
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const promises_1 = __importDefault(require("fs/promises"));
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const fs_1 = require("fs");
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const os_1 = require("os");
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const path_1 = require("path");
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const crypto_1 = require("crypto");
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const sqlite3_1 = require("sqlite3");
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const body_parser_1 = __importDefault(require("body-parser"));
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const multer_1 = __importDefault(require("multer"));
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const uuid_1 = require("uuid");
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const mime_1 = require("mime");
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const port = typeof process.env['PORT'] !== 'undefined' ? parseInt(process.env['PORT'], 10) : 3333;
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const data = typeof process.env['DATADIR'] !== 'undefined' ? process.env['DATADIR'] : './data';
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const dbPath = (0, path_1.join)(data, 'queue.sqlite');
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const app = (0, express_1.default)();
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const tmp = (0, os_1.tmpdir)();
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const db = new sqlite3_1.Database(dbPath);
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const accepted = ['application/zip', 'application/x-zip-compressed'];
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const storage = multer_1.default.diskStorage({
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destination: function (req, file, cb) {
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cb(null, tmp);
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},
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filename: function (req, file, cb) {
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cb(null, `${+new Date()}_${file.originalname}`);
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}
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});
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function fileFilter(req, file, cb) {
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if (accepted.indexOf(file.mimetype) !== -1) {
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cb(null, true);
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}
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else {
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console.warn(`Filetype ${file.mimetype} is not of type zip`);
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cb(new Error("Dataset is not of type zip"), false);
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}
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}
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const upload = (0, multer_1.default)({ storage, fileFilter });
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app.use(body_parser_1.default.json());
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app.use(body_parser_1.default.urlencoded({ extended: true }));
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function hash(path) {
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return new Promise((resolve, reject) => {
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const hashSum = (0, crypto_1.createHash)('sha256');
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const stream = (0, fs_1.createReadStream)(path);
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stream.on('error', (err) => reject(err));
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stream.on('data', (chunk) => hashSum.update(chunk));
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stream.on('end', () => resolve(hashSum.digest('hex')));
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});
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}
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async function exists(path) {
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try {
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await promises_1.default.access(path);
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return true;
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}
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catch {
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return false;
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}
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}
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async function add(email, name, dataset, model) {
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const query = `INSERT INTO queue
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(id, email, name, dataset, model)
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VALUES ( ?, ?, ?, ?, ?);`;
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const id = (0, uuid_1.v4)();
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return new Promise((resolve, reject) => {
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return db.run(query, [id, email, name, dataset, model], (err, row) => {
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if (err)
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return reject(err);
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console.log(`Added job ${id} to queue`);
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return resolve(id);
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});
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});
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}
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async function status(id) {
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const query = `SELECT name, model, started, completed, failed, meta FROM queue WHERE id = ? LIMIT 1;`;
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let jobStatus = 'Unknown';
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return new Promise((resolve, reject) => {
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return db.all(query, [id], (err, rows) => {
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if (err)
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return reject(err);
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if (rows[0].started === null) {
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jobStatus = `Has not started`;
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}
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else if (rows[0].failed !== null) {
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jobStatus = `Failed <br /> <pre>${rows[0].meta}</pre>`;
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}
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else if (rows[0].completed !== null) {
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jobStatus = `Completed ${rows[0].completed} <a href="/model/${rows[0].model}/${id}">Download</a>`;
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}
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console.log(`Got status for job ${id}: ${jobStatus}`);
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return resolve(jobStatus);
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});
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});
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}
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async function name(id) {
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const query = `SELECT name, meta FROM queue WHERE id = ? LIMIT 1;`;
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return new Promise((resolve, reject) => {
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return db.all(query, [id], (err, rows) => {
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if (err)
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return reject(err);
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if (rows.length < 1) {
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return reject(new Error(`Job ${id} does not exist`));
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}
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return resolve(rows[0].name);
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});
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});
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}
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async function dataset(id) {
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const query = `SELECT dataset FROM queue WHERE id = ? LIMIT 1;`;
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return new Promise((resolve, reject) => {
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return db.all(query, [id], (err, rows) => {
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if (err)
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return reject(err);
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if (rows.length < 1) {
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return reject(new Error(`Dataset ${id} does not exist`));
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}
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return resolve(rows[0].dataset);
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});
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});
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}
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async function job() {
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const query = `SELECT id FROM queue WHERE
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started IS NULL
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AND completed IS NULL
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AND failed IS NULL
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ORDER BY created ASC
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LIMIT 1;`;
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return new Promise((resolve, reject) => {
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return db.all(query, [], (err, rows) => {
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if (err)
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return reject(err);
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if (rows.length < 1) {
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return resolve(null);
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}
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return resolve(rows[0].id);
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});
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});
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}
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app.get('/', async (req, res, next) => {
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let html;
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try {
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html = await promises_1.default.readFile('./views/index.html', 'utf8');
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}
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catch (err) {
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console.error(err);
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return next(err);
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}
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res.send(html);
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});
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app.post('/', upload.single('dataset'), async (req, res, next) => {
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let fileHash;
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let filePath;
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let fileExists;
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let id;
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req.setTimeout(0);
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if (typeof req.file === 'undefined' && req.file === null) {
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console.error('No file in upload');
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return next('ERROR: Please upload dataset as zip file');
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}
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try {
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fileHash = await hash(req.file.path);
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}
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catch (err) {
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console.error(err);
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return next(`Error hashing file ${req.file.originalname}`);
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}
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filePath = (0, path_1.join)(data, `${fileHash}.zip`);
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try {
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fileExists = await exists(filePath);
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}
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catch (err) {
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console.error(err);
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}
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if (!fileExists) {
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try {
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await promises_1.default.rename(req.file.path, filePath);
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console.log(`Saved dataset with hash ${fileHash}`);
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}
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catch (err) {
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console.error(err);
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return next(err);
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}
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}
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else {
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console.warn(`Dataset with hash ${fileHash} already exists...`);
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try {
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await promises_1.default.unlink(req.file.path);
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}
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catch (err) {
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console.error(err);
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}
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}
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try {
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id = await add(req.body.email, req.body.name, fileHash, req.body.model);
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}
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catch (err) {
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console.log(err);
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return next(`Error adding training job ${req.body.name}`);
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}
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res.send(`<html><body>Dataset for job ${req.body.name} has been uploaded successfully. You will be emailed when your job has started and when it has completed training. <br /> Monitor job status here: <a href="/job/${id}">${id}</a></body></html>`);
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});
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app.get('/job/:id', async (req, res, next) => {
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let jobStatus;
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if (typeof req.params.id === 'undefined' || req.params.id === null) {
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console.error(`No job id provided`);
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return next('Invalid request');
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}
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if (req.params.id.length !== 36) {
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console.error(`Job id ${req.params.id} is invalid`);
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return next('Invalid job id');
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}
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try {
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jobStatus = await status(req.params.id);
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}
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catch (err) {
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console.error(err);
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return next('Error getting job status');
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}
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return res.send(`<html><body>Job: ${req.params.id}<br /> Status: ${jobStatus}</body></html>`);
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});
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app.get('/model/:id', async (req, res, next) => {
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let filePath;
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let fileExists = false;
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let id;
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let fileName;
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let fileStream;
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let mimeType;
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let stream;
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if (typeof req.params.id === 'undefined' || req.params.id === null) {
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console.error(`No job id provided`);
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return next('Invalid request');
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}
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id = req.params.id;
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filePath = (0, path_1.join)(data, `${id}.onnx`);
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try {
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fileExists = await exists(filePath);
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}
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catch (err) {
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console.error(err);
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return next(`Error checking whether model for job ${id} exists`);
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}
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if (!fileExists) {
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console.warn(`Model for job ${id} does not exist`);
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return next(`Model for job ${id} does not exist`);
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}
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try {
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fileName = await name(id);
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}
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catch (err) {
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console.error(err);
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return next(`Error getting job ${id}`);
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}
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mimeType = (0, mime_1.getType)(filePath);
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res.setHeader('Content-disposition', `attachment; filename=${fileName}.onnx`);
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res.setHeader('Content-type', mimeType);
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stream = (0, fs_1.createReadStream)(filePath);
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stream.pipe(res);
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});
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app.get('/dataset/:id', async (req, res, next) => {
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let filePath;
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let fileExists = false;
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let id;
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let datasetHash;
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let fileStream;
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let mimeType;
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let stream;
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if (typeof req.params.id === 'undefined' || req.params.id === null) {
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console.error(`No dataset id provided`);
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return next('Invalid request');
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}
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id = req.params.id;
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try {
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datasetHash = await dataset(id);
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}
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catch (err) {
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console.error(err);
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return next(`Error getting dataset for job ${id}`);
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}
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filePath = (0, path_1.join)(data, `${datasetHash}.zip`);
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try {
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fileExists = await exists(filePath);
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}
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catch (err) {
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console.error(err);
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return next(`Error checking whether dataset for job ${id} exists`);
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}
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if (!fileExists) {
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console.warn(`Dataset for job ${id} does not exist`);
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return next(`Dataset for job ${id} does not exist`);
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}
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mimeType = (0, mime_1.getType)(filePath);
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res.setHeader('Content-disposition', `attachment; filename=${datasetHash}.zip`);
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res.setHeader('Content-type', mimeType);
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stream = (0, fs_1.createReadStream)(filePath);
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stream.pipe(res);
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});
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app.get('/job', async (req, res, next) => {
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let jobId;
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try {
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jobId = await job();
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}
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catch (err) {
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console.error(err);
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return next('Error getting job');
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}
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res.json([jobId]);
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});
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//app.get('/jobs');
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//app.post('/job/started/:id', )
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app.listen(port, () => {
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console.log(`yolo_web running on port ${port}`);
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});
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//# sourceMappingURL=index.js.map
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