Solace MQTTS Python Demo

A robust, containerized Python demonstration for connecting to Solace PubSub+ Cloud. This project provides indepedent examples for Basic Authentication and mTLS (Client Certificate) Authentication.

Prerequisites

1. Solace PubSub+ Cloud Account: You need a running service.
2. Docker Desktop: Installed and running.

Credentials Setup

1. Copy the example: cp .env.example .env
2. Fill in your details from Solace Cloud "Connect" tab.

How to Run

1. Build the Docker Image

docker build -t solace-demo-app .

2. Run Subscriber (Basic Auth)

Connects using Username/Password and listens for messages.

docker run --env-file .env -it --rm solace-demo-app python subscriber.py

3. Run Publisher (Basic Auth)

This script publisher.py uses Username and Password from .env.

docker run --env-file .env -it --rm solace-demo-app python publisher.py

4. Run Publisher (mTLS / Client Cert)

This script publisher_mtls.py uses Client Certificates and ignores the password.

1. Generate Certs: See CERTIFICATES.md.
2. Mount Certs:

docker run -v $(pwd)/certs:/certs --env-file .env -it --rm solace-demo-app python publisher_mtls.py

Note: This script prints Auth: Client Certificate (No Password) to confirm it is not using the password field.

Key Technical Features

• Totally Independent Scripts: publisher.py and publisher_mtls.py share no code, demonstrating the distinct verification methods.
• Paho MQTT v2: Uses the latest library version.
• Containerized: Runs anywhere Docker runs.