Distributed websocket server

Project created as a part of interview.

How to run:

1. git clone git@github.com:cheeeee/distributed_ws_cluster_docker.git
2. cd distributed_ws_cluster_docker/cluster
3. docker-compose build
4. docker-compose up

To add more clients and simulate load:

1. cd distributed_ws_cluster_docker/cluster
2. docker-compose scale client=n
   where n = desired number of clients.
3. Check terminal with main docker-compose output.

To activate monitor for scaling:

Monitor will automatically add new container if load more then 75% (users / limit).

1. cd distributed_ws_cluster_docker/cluster
2. python3 service_monitor.py

To manually change limits for desired websocket server:

1. Go to http://localhost/api/v1/limits/
2. Fill field with desired limit and press enter.
3. In 5-7 second control app will recieve new limit from websocket server.

Requirments on docker host:

1. request library for monitor.
2. Free 10.5.0.0/24 subnet.
3. Last docker.