Fix file upload bug (fixes #56) (#57)

* Fix file upload bug (fixes #56)

* Promisified the upload controller

* test added

* python runner in repository deployment fixed

Author: HeeManSu

src/app.ts

@@ -21,3 +21,5 @@ export class Application {
 }
 
 export const Applications: Record<string, Application> = {};
+
+export const unzipPromises: Record<string, Promise<void>> = {};

src/controller/deploy.ts

@@ -3,7 +3,7 @@ import { hostname } from 'os';
 
 import AppError from '../utils/appError';
 
-import { Applications } from '../app';
+import { Applications, unzipPromises } from '../app';
 import { deployProcess } from '../utils/deploy';
 import { installDependencies } from '../utils/install';
 import { catchAsync } from './catch';
@@ -25,6 +25,8 @@ export const deploy = catchAsync(
 		next: NextFunction
 	) => {
 		try {
+			await unzipPromises[req.body.suffix];
+
 			const application = Applications[req.body.suffix];
 
 			// Check if the application exists and it is stored
@@ -37,6 +39,8 @@ export const deploy = catchAsync(
 
 			const resource = await application.resource;
 
+			// Wait for the unzipping to complete
+
 			await installDependencies(resource);
 
 			await deployProcess(resource);

src/controller/repository.ts

@@ -44,7 +44,8 @@ const handleRunners = async (repoPath: string): Promise<string[]> => {
 		if (file === 'package.json') runners.push('nodejs');
 
 		if (stat.isDirectory()) {
-			await handleRunners(fullPath);
+			const subRunners = await handleRunners(fullPath);
+			runners.push(...subRunners);
 		}
 	}
 	return runners;

src/controller/upload.ts

@@ -4,7 +4,7 @@ import path from 'path';
 
 import busboy from 'busboy';
 import { NextFunction, Request, Response } from 'express';
-import { Extract, ParseOptions } from 'unzipper';
+import { Extract } from 'unzipper';
 
 import { MetaCallJSON } from '@metacall/protocol/deployment';
 import { Application, Applications, Resource } from '../app';
@@ -56,10 +56,10 @@ export const uploadPackage = (
 		jsons: []
 	};
 
-	let handled = false; // TODO: Promisify the whole controller
+	let handled = false;
 
 	const errorHandler = (error: AppError) => {
-		if (handled == false) {
+		if (handled === false) {
 			req.unpipe(bb);
 			next(error);
 		}
@@ -88,8 +88,8 @@ export const uploadPackage = (
 			const { mimeType, filename } = info;
 
 			if (
-				mimeType != 'application/x-zip-compressed' &&
-				mimeType != 'application/zip'
+				mimeType !== 'application/x-zip-compressed' &&
+				mimeType !== 'application/zip'
 			) {
 				return errorHandler(
 					new AppError('Please upload a zip file', 404)
@@ -147,7 +147,7 @@ export const uploadPackage = (
 
 	eventHandler('finish', () => {
 		if (resource.blob === undefined) {
-			throw Error('Invalid file upload, blob path is not defined');
+			throw new Error('Invalid file upload, blob path is not defined');
 		}
 
 		const deleteBlob = () => {
@@ -201,33 +201,43 @@ export const uploadPackage = (
 			}
 		);
 
-		const options: ParseOptions = { path: resource.path };
+		const unzipAndResolve = () => {
+			return new Promise<void>((resolve, reject) => {
+				fs.createReadStream(resource.blob as string)
+					.pipe(Extract({ path: resource.path }))
+					.on('close', () => {
+						deleteBlob();
+						resolve();
+					})
+					.on('error', error => {
+						deleteBlob();
+						deleteFolder();
+						reject(
+							new AppError(
+								`Failed to unzip the resource at: ${error.toString()}`,
+								500
+							)
+						);
+					});
+			});
+		};
 
-		fs.createReadStream(resource.blob)
-			.pipe(Extract(options))
-			.on('close', () => {
-				deleteBlob();
+		unzipAndResolve()
+			.then(() => {
 				resourceResolve(resource);
 			})
-			.on('error', error => {
-				deleteBlob();
-				deleteFolder();
-				const appError = new AppError(
-					`Failed to unzip the resource at: ${error.toString()}`,
-					500
-				);
-				errorHandler(appError);
-				resourceReject(appError);
+			.catch(error => {
+				resourceReject(error);
+				errorHandler(error);
 			});
 	});
 
 	eventHandler('close', () => {
-		if (handled == false) {
+		if (handled === false) {
 			res.status(201).json({
 				id: resource.id
 			});
 		}
-
 		handled = true;
 	});
 

test/test.sh

@@ -185,11 +185,6 @@ function test_nodejs_dependency_app() {
 	[[ $sum_response = 3 ]] || exit 1
 }
 
-# Run tests
-run_tests "nodejs-base-app" test_nodejs_app
-run_tests "python-base-app" test_python_base_app
-run_tests "python-dependency-app" test_python_dependency_app
-run_tests "nodejs-dependency-app" test_nodejs_dependency_app
 
 echo "Integration tests for package deployment passed without errors."
 
@@ -308,20 +303,52 @@ function test_nodejs_dependency_app() {
 	echo "Node.js Dependency App tests passed"
 }
 
-echo "starting repository deployment tests"
+# without Dependencies
 
-#without Dependencies
-
-#Test NodeJs app
+# Test NodeJs app
 test_deploy_from_repo "https://github.com/HeeManSu/nodejs-parameter-example" "nodejs-parameter-example" test_nodejs-parameter-example
-# #Test Python app
+# Test Python app
 test_deploy_from_repo "https://github.com/HeeManSu/metacall-python-example" "metacall-python-example" test_python_time_app
 
-# #With Dependencies
+# With Dependencies
 
-# # Test Python app
+# Test Python app
 test_deploy_from_repo "https://github.com/HeeManSu/python-dependency-metacall" "python-dependency-metacall" test_python_dependency_metacall
 #Test NodeJs app
 test_deploy_from_repo "https://github.com/HeeManSu/auth-middleware-metacall" "auth-middleware-metacall" test_nodejs_dependency_app
 
 echo "Repository deployment tests completed."
+
+
+# Simultaneous deployment tests
+function test_simultaneous_deploy() {
+	echo "Testing simultaneous deployments..."
+	pids=()
+
+	# Run all tests simultaneously in background
+	run_tests "nodejs-base-app" test_nodejs_app &
+	pids+=($!)
+
+	run_tests "python-base-app" test_python_base_app &
+	pids+=($!)
+
+	run_tests "python-dependency-app" test_python_dependency_app &
+	pids+=($!)
+
+	run_tests "nodejs-dependency-app" test_nodejs_dependency_app &
+	pids+=($!)
+
+	for pid in "${pids[@]}"; do
+		if ! wait $pid; then
+			echo "Simultaneous deployment test failed - Test failed"
+			return 1
+			exit 1
+		fi
+	done
+
+	echo "Simultaneous deployment test passed - All tests passed"
+	return 0
+}
+
+echo "Testing simultaneous deployments..."
+test_simultaneous_deploy