Essential app.

.dockerignore

@@ -0,0 +1,5 @@
+Dockerfile
+docker-compose.yml
+node_modules
+dist
+*.md

.env

@@ -0,0 +1,16 @@
+# Web app port.
+PORT=8080
+TIMEOUT=10000
+REQUESTS_CONCURRENCY=500
+
+# Print summary table with results.
+LOG_SUMMARY_TABLE=true
+
+# Log response status codes to console during load testings.
+LOG_RESPONSE_SUCCESS=false
+LOG_RESPONSE_TIMEOUT=false
+LOG_RESPONSE_ERROR=false
+
+# API endpoints definition.
+API_ENDPOINT_HOSTS='https://hutin-puy.nadom.app/hosts.json'
+API_ENDPOINT_PROXIES='https://hutin-puy.nadom.app/proxy.json'

.github/workflows/docker-image.yml

@@ -0,0 +1,44 @@
+name: Docker Image CI
+
+on:
+  push:
+    branches:
+      - master # Master branch will always be tagged as `image:latest`.
+    tags:
+      - v** # All `v*` tags will be applied to image. Git tag `v1.0` will create/update `image:1.0` image tag.
+    # Build and push image only when .py files was changed or Dockerfile itself.
+    paths:
+      - 'Dockerfile'
+      - '**.ts'
+      - '**.json'
+      - '**rc'
+      - '**.lock'
+      - '**.env**'
+env:
+  IMAGE_NAME: ua-loadtest # Needs to be equal to repository name for ghcr registry.
+
+jobs:
+  build-and-push:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v2
+      - name: Log in to registry
+        run: echo "${{ secrets.GITHUB_TOKEN }}" | docker login ghcr.io -u ${{ github.actor }} --password-stdin
+      - name: Build and push image
+        run: |
+          IMAGE_ID=ghcr.io/${{ github.repository_owner }}/$IMAGE_NAME
+          # Change all uppercase to lowercase.
+          IMAGE_ID=$(echo $IMAGE_ID | tr '[A-Z]' '[a-z]')
+          # Strip git ref prefix from version.
+          VERSION=$(echo "${{ github.ref }}" | sed -e 's,.*/\(.*\),\1,')
+          # Strip "v" prefix from tag name.
+          [[ "${{ github.ref }}" == "refs/tags/"* ]] && VERSION=$(echo $VERSION | sed -e 's/^v//')
+          # Use Docker `latest` tag convention.
+          [ "$VERSION" == "master" ] && VERSION=latest
+          # Print information.
+          echo IMAGE_ID=$IMAGE_ID
+          echo VERSION=$VERSION
+          # Build and push
+          docker build . --file Dockerfile --tag $IMAGE_NAME
+          docker tag $IMAGE_NAME $IMAGE_ID:$VERSION
+          docker push $IMAGE_ID:$VERSION

.prettierrc

@@ -1,6 +1,10 @@
 {
   "singleQuote": true,
   "trailingComma": "all",
+  "importOrder": ["^typeorm(.*)", "^@nestjs/(.*)$", "module$", "controller$", "service$", "entity$", "dto$", "^[./]"],
+  "importOrderSeparation": false,
+  "importOrderSortSpecifiers": true,
+  "importOrderParserPlugins": ["typescript", "decorators-legacy"],
   "useTabs": false,
   "printWidth": 120
 }

Dockerfile

@@ -0,0 +1,11 @@
+FROM node:16-alpine
+
+WORKDIR /app
+
+COPY package.json yarn.lock /app/
+RUN yarn install --frozen-lockfile
+
+COPY . .
+RUN yarn build
+
+ENTRYPOINT ["yarn", "start:prod"]

README.md

@@ -1,73 +1,69 @@
-<p align="center">
-  <a href="http://nestjs.com/" target="blank"><img src="https://nestjs.com/img/logo_text.svg" width="320" alt="Nest Logo" /></a>
-</p>
+<h1 align="center">🇺🇦 Ukraine national load-testing</h1>
 
-[circleci-image]: https://img.shields.io/circleci/build/github/nestjs/nest/master?token=abc123def456
-[circleci-url]: https://circleci.com/gh/nestjs/nest
+## 😎 Overview
 
-  <p align="center">A progressive <a href="http://nodejs.org" target="_blank">Node.js</a> framework for building efficient and scalable server-side applications.</p>
-    <p align="center">
-<a href="https://www.npmjs.com/~nestjscore" target="_blank"><img src="https://img.shields.io/npm/v/@nestjs/core.svg" alt="NPM Version" /></a>
-<a href="https://www.npmjs.com/~nestjscore" target="_blank"><img src="https://img.shields.io/npm/l/@nestjs/core.svg" alt="Package License" /></a>
-<a href="https://www.npmjs.com/~nestjscore" target="_blank"><img src="https://img.shields.io/npm/dm/@nestjs/common.svg" alt="NPM Downloads" /></a>
-<a href="https://circleci.com/gh/nestjs/nest" target="_blank"><img src="https://img.shields.io/circleci/build/github/nestjs/nest/master" alt="CircleCI" /></a>
-<a href="https://coveralls.io/github/nestjs/nest?branch=master" target="_blank"><img src="https://coveralls.io/repos/github/nestjs/nest/badge.svg?branch=master#9" alt="Coverage" /></a>
-<a href="https://discord.gg/G7Qnnhy" target="_blank"><img src="https://img.shields.io/badge/discord-online-brightgreen.svg" alt="Discord"/></a>
-<a href="https://opencollective.com/nest#backer" target="_blank"><img src="https://opencollective.com/nest/backers/badge.svg" alt="Backers on Open Collective" /></a>
-<a href="https://opencollective.com/nest#sponsor" target="_blank"><img src="https://opencollective.com/nest/sponsors/badge.svg" alt="Sponsors on Open Collective" /></a>
-  <a href="https://paypal.me/kamilmysliwiec" target="_blank"><img src="https://img.shields.io/badge/Donate-PayPal-ff3f59.svg"/></a>
-    <a href="https://opencollective.com/nest#sponsor"  target="_blank"><img src="https://img.shields.io/badge/Support%20us-Open%20Collective-41B883.svg" alt="Support us"></a>
-  <a href="https://twitter.com/nestframework" target="_blank"><img src="https://img.shields.io/twitter/follow/nestframework.svg?style=social&label=Follow"></a>
-</p>
-  <!--[![Backers on Open Collective](https://opencollective.com/nest/backers/badge.svg)](https://opencollective.com/nest#backer)
-  [![Sponsors on Open Collective](https://opencollective.com/nest/sponsors/badge.svg)](https://opencollective.com/nest#sponsor)-->
+- The repo contains [Nest.JS](https://nestjs.com) application, which uses russian proxies and do load testing of web resources using API.
+- ⚠ The app uses a proxy, but be careful, it is desirable to use a VPN.
 
-## Description
+## 🚀 Quick start
 
-[Nest](https://github.com/nestjs/nest) framework TypeScript starter repository.
+### Docker
 
-## Installation
+- Install [Docker](https://docker.com)
 
-```bash
-$ npm install
-```
+- Download docker image:
 
-## Running the app
+  ```shell
+  docker pull ghcr.io/alexander-danilenko/ua-loadtest:latest
+  ```
 
-```bash
-# development
-$ npm run start
+- Launch the container for the 500 threads:
 
-# watch mode
-$ npm run start:dev
+  ```shell
+  docker run --rm ghcr.io/alexander-danilenko/ua-loadtest:latest
+  ```
 
-# production mode
-$ npm run start:prod
-```
+#### Docker environment variables
 
-## Test
+See [.env](./.env) file. All these values could be used for the app in a docker container.
 
-```bash
-# unit tests
-$ npm run test
+### Docker Compose
 
-# e2e tests
-$ npm run test:e2e
+`docker-compose` allows you to easily run containers in parallel without having to keep multiple terminals opened. To run on servers - perfect choice.
 
-# test coverage
-$ npm run test:cov
-```
+- Clone repository:
+  ```shell
+  git clone https://github.com/alexander-danilenko/ua-loadtest
+  ```
 
-## Support
+- Build and run `5` containers **in parallel**:
 
-Nest is an MIT-licensed open source project. It can grow thanks to the sponsors and support by the amazing backers. If you'd like to join them, please [read more here](https://docs.nestjs.com/support).
+  ```shell
+  docker-compose up --build --scale app=5
+  ```
 
-## Stay in touch
+- Stop containers: `Ctrl + C`
 
-- Author - [Kamil Myśliwiec](https://kamilmysliwiec.com)
-- Website - [https://nestjs.com](https://nestjs.com/)
-- Twitter - [@nestframework](https://twitter.com/nestframework)
+### Linux and MacOS
 
-## License
+- Install Node `v16`: https://nodejs.org/en/download/
 
-Nest is [MIT licensed](LICENSE).
+- Clone repository:
+  ```shell
+  git clone https://github.com/alexander-danilenko/ua-loadtest
+  ```
+
+- Install all the required dependencies:
+  ```shell
+  yarn install
+  ```
+
+- Build the app:
+  ```shell
+  yarn build
+  ```
+
+- Run the app in production mode:
+  ```shell
+  yarn start:prod
+  ```

docker-compose.yml

@@ -0,0 +1,9 @@
+version: '3'
+services:
+  # To run several containers in parallel use scale argument:
+  # docker-compose up --build --scale app=5
+  app:
+    build: .
+    restart: always
+    environment:
+      LOG_SUMMARY_TABLE: 'false'

package.json

@@ -1,17 +1,17 @@
 {
-  "name": "nowar-nestjs",
+  "name": "ua-loadtest",
   "version": "0.0.1",
   "description": "",
-  "author": "",
+  "author": "Alexander Danilenko <hi@danilenko.in>",
+  "license": "MIT",
   "private": true,
-  "license": "UNLICENSED",
   "scripts": {
     "prebuild": "rimraf dist",
     "build": "nest build",
     "format": "prettier --write \"src/**/*.ts\" \"test/**/*.ts\"",
     "start": "nest start",
     "start:dev": "nest start --watch",
-    "start:debug": "nest start --debug --watch",
+    "start:debug": "nest start --debug 0.0.0.0:9229 --watch",
     "start:prod": "node dist/main",
     "lint": "eslint \"{src,apps,libs,test}/**/*.ts\" --fix",
     "test": "jest",
@@ -26,21 +26,33 @@
     "@nestjs/config": "^1.2.0",
     "@nestjs/core": "^8.0.0",
     "@nestjs/platform-express": "^8.0.0",
+    "@nestjs/schedule": "^1.0.2",
+    "axios-retry": "^3.2.4",
     "class-transformer": "^0.5.1",
     "class-validator": "^0.13.2",
     "joi": "^17.6.0",
+    "lodash": "^4.17.21",
+    "node-os-utils": "^1.3.6",
+    "piscina": "^3.2.0",
     "reflect-metadata": "^0.1.13",
     "rimraf": "^3.0.2",
-    "rxjs": "^7.2.0"
+    "rxjs": "^7.2.0",
+    "user-agents": "^1.0.951"
   },
   "devDependencies": {
     "@nestjs/cli": "^8.0.0",
     "@nestjs/schematics": "^8.0.0",
     "@nestjs/testing": "^8.0.0",
+    "@trivago/prettier-plugin-sort-imports": "^3.2.0",
+    "@types/axios": "^0.14.0",
+    "@types/cron": "^1.7.3",
     "@types/express": "^4.17.13",
     "@types/jest": "27.4.1",
+    "@types/lodash": "^4.14.179",
     "@types/node": "^16.0.0",
+    "@types/node-os-utils": "^1.2.0",
     "@types/supertest": "^2.0.11",
+    "@types/user-agents": "^1.0.2",
     "@typescript-eslint/eslint-plugin": "^5.0.0",
     "@typescript-eslint/parser": "^5.0.0",
     "eslint": "^8.0.1",

src/app.controller.ts

@@ -0,0 +1,12 @@
+import { Controller, Get } from '@nestjs/common';
+import { LoadTesterService } from './service/load-tester.service';
+
+@Controller()
+export class AppController {
+  constructor(private readonly appService: LoadTesterService) {}
+
+  @Get('/')
+  async index() {
+    return this.appService.getStatus();
+  }
+}

src/app.module.ts

@@ -0,0 +1,26 @@
+import { HttpModule } from '@nestjs/axios';
+import { Module } from '@nestjs/common';
+import { ConfigModule } from '@nestjs/config';
+import { ScheduleModule } from '@nestjs/schedule';
+import { AppController } from './app.controller';
+import { ApiClientService } from './service/api-client.service';
+import { LoadTesterService } from './service/load-tester.service';
+import { RandomService } from './service/random.service';
+import { StatisticsService } from './service/statistics.service';
+import { config, mainConfigValidationSchema } from './config';
+
+@Module({
+  imports: [
+    ScheduleModule.forRoot(),
+    HttpModule,
+    ConfigModule.forRoot({
+      envFilePath: ['.env.production', '.env.local', '.env'],
+      validationSchema: mainConfigValidationSchema(),
+      load: [config],
+      isGlobal: true,
+    }),
+  ],
+  controllers: [AppController],
+  providers: [ApiClientService, LoadTesterService, RandomService, StatisticsService],
+})
+export class AppModule {}