Load Balancer - Python

How To ?

1. Start the loadbalancer by running the file lb.py python3 lb.py

2. Start the backend servers by running the file be.py python3 be.py <port>

3. You can start multiple instances of the server by running it on different ports

4. Make a request to the loadbalancer

Docs

• lb.py contains the loadbalancer that runs a TCPServer and forwards the requests to the list of healthy servers
• be.py contains a demo backend server that again starts a TCPServer at the specified port and responds to requests with a generic message
• health.py contains the health check loop that checks the health of the available servers every x seconds
• strategy Contains the ServerSelectionStrategy base class to choose the next server from the list of availabe ones