firattamur / google-pub-sub-demo

This repository contains a simple demo of Google Pub/Sub.

Google Pub/Sub Demo

This repository contains a simple demo of Google Pub/Sub. Google Pub/Sub is a fully-managed real-time messaging service that allows you to send and receive messages between independent applications. It is a great tool for building distributed systems and microservices.

Prerequisites

• Google Cloud SDK
• Python 3.9+

Setup

1. Clone the repository:

git clone https://github.com/yourusername/google-pubsub-demo.git
cd google-pubsub-demo

2. Install dependencies:

pip install -r requirements.txt

3. Set up Google Cloud SDK:

Follow the instructions here to install and initialize the Google Cloud SDK.

4. Set up Google Pub/Sub:

Follow the instructions here to create a topic and subscription.

Running the Demo

• Make sure you have created Google Service Account credentials and downloaded the JSON file. See here for more information.

• Make sure you add roles Pub/Sub Publisher and Pub/Sub Subscriber to your service account.

• Before running the demo, please edit variables in config.py to match your project, topic, and subscription.

project_id = "your-project-id"
topic_id = "your-topic-id"
subscription_id = "your-subscription-id"
credentials_json_path = "your-credentials-file-path"

1. Start the subscriber:

python src/subscriber.py

2. Start the publisher and enter a message:

python src/publisher.py

Enter a message: Hello World!

3. Check the subscriber terminal to see the message.

Received message: Hello World!

You should see messages being published and received in the console.