Swarag-N / Webhooks-Microservice

This is a Implementation Webhooks Service using Moleculer ( Progressive microservices framework for Node.js. ) and Express ( Back-End for Node.js )

Webhooks Microservice API

WebHooks Microservice. Built with NodeJs

       

Table of Contents

• Introduction
• Features
• Architecture
• Usage Instructions
  • Install
  • Start locally
  • Start in Docker
  • Development locally
  • Target Server
• Check Routes
  • Locally
  • Docker Service
• Tasks
• Development
  • 1. Product
  • 2. Helper (Tester|Target)
• Product
  • Services
  • Actions
  • Resources
  • Useful links
• NPM scripts

Introduction

This is a Implementation Webhooks Service using Moleculer ( Progressive microservices framework for Node.js. ) and Express ( Back-End for Node.js )

In the terminal, try the following commands:

• nodes - List all connected nodes.
• actions - List all registered service actions.
• call greeter.hello - Call the greeter.hello action.
• call greeter.welcome --name John - Call the greeter.welcome action with the name parameter.
• call "webhooks.trigger" --ipadr "192.12.445.55" - Call the webhooks.trigger action with the ipadr parameter.

Features

• Register, Update, Delete, and List Web-Hooks
• URL Validation on Web-Hooks
  • on Register
  • on Update
• Concurrent Requests

Architecture

Usage Instructions

This is a Moleculer-based microservices project. Generated with the Moleculer CLI.

Install

git clone https://github.com/Swarag-N/Webhooks-Microservice.git
cd Webhooks-Microservice

Start locally

To start locally, you need to running a MongoDB server on localhost.

npm install
npm start

Open the http://localhost:3000/ URL in your browser.

Start in Docker

Running as microservices All services are running in separated containers, communicate via NATS & use Traefik reverse proxy.

npm run dc:up

Open the http://docker-machine:3000/ URL in your browser.

Development locally

Running MongoDB is required on localhost!

npm run dev

Target Server

Basic HTTP Servers to capture the response

npm run targets

• Open the http://localhost:4000/ URL in your browser.
• Open the http://localhost:4001/ URL in your browser.
• Open the http://localhost:4002/ URL in your browser.
• Open the http://localhost:4003/ URL in your browser.
• Open the http://localhost:4004/ URL in your browser.

Check Routes

Locally

• Install Dependencies (Dev and Production)

npm ci     

• Start Target Servers : 5 Http Servers will Start
  1. PORT [4000 ... 4004]
  2. Logs the request
  3. Health Check http://localhost:4000/

npm run targets 

• Import Postman collections of API Service from docs folder

• Start Service

npm run dev

Start the project with npm run dev command. After starting, open the http://localhost:3000/list URL in your browser.

call "webhooks.trigger" --ipadr "192.12.445.55" - Call the webhooks.trigger action with the ipadr parameter

o/p

┌───────────┬─────────────────┐
│  (index)  │     Values      │
├───────────┼─────────────────┤
│   ipadr   │ '192.12.445.55' │
│ timeStamp │  1626537496624  │
└───────────┴─────────────────┘
┌───────────┬─────────────────┐
│  (index)  │     Values      │
├───────────┼─────────────────┤
│   ipadr   │ '192.12.445.55' │
│ timeStamp │  1626537496624  │
└───────────┴─────────────────┘

Docker Service

• Import Postman collections of API Service from docs folder

• Start Service

npm run dc:up

NOTE: Local Network is different from Internal Network, give external sites as Input

Tasks

• Collect Info
  • Molecular
• Understand Problem Statement
• Development
• DB Seed
• Add WebHook Servers

Development

Two Servers

1. Microservice App to Store and Trigger WebHooks
2. Web-Hooks Receiver

1. Product

1. API Gateway
2. DB
3. Message Broker
4. Web-Hook Trigger Initiator

2. Helper (Tester|Target)

• Listens for Requests

Product

• api: API Gateway services
• greeter: Sample service with hello and welcome actions.
• webhooks: Service with actions to register and create triggers on webHooks.

Services

Microservice using Moleculer Framework with a Backend using Express framework implemneted Webhooks funtionality.

Check docs\demo.md for API response for bellow EndPoints

• API Service
  • Routes admin
    • Create : /register add new webhooks
    • Read : /list list registerd webhooks
    • Update : /update update registerd webhook
    • Delete : /delete delete registerd webhook
  • Trigger : /ip initate requests to all registerd webhooks
    • Calls the trigger action exposed by the webhooks microservice.
• webhooks microservice
  • Actions
    • webhooks.register
      • URL Validation before registering Webhook
    • webhooks.list
    • webhooks.update
      • URL Validation before updating Webhook
    • webhooks.delete
    • webhooks.trigger
      • Initate requests concurrently in batches

Actions

Resources

An Introduction to Moleculer JS

moleculerjs/moleculer-examples

What are webhooks?

Useful links

• Moleculer website: https://moleculer.services/
• Moleculer Documentation: https://moleculer.services/docs/0.14/

NPM scripts

• npm run dev: Start development mode (load all services locally with hot-reload & REPL)
• npm run start: Start production mode (set SERVICES env variable to load certain services)
• npm run cli: Start a CLI and connect to production. Don't forget to set production namespace with --ns argument in script
• npm run lint: Run ESLint
• npm run ci: Run continuous test mode with watching
• npm test: Run tests & generate coverage report