bulv1ne / white-zeus

Load balancer / ec2 instance starter / docker manager

white-zeus

LoadBalancer:

• Listens to connections
• Manages connections to nodes
• Start/stop nodes
• Connects directly to node's docker containers
  • Writes last connection access
  • Writes amount of connections in use

Node:

• Waits for LB to start container
• Starts/stops docker containers
• Monitors CPU/memory for each container

Flow:

• Requests comes in

Version 0.X

• Servers
  • 1 LoadBalancer
  • 1..N Nodes
• Container properties
  • Max connection count
  • Max memory usage
• Container lifecycle
  • Creation
    • LoadBalancer requests new docker container to be run from any node
    • Node handles start/stop docker containers
  • Connection count
    • Container has max connection count
    • LB increases/decreases connection count
    • LoadBalancer connects to Docker Containers directly
  • Removal
    • Node marks containers for to be removed
    • LB won't make new connections to containers marked as to be removed
    • LB closes connections to container
    • Node removes container
• Node connects to LB
  • Commands:
    • Ping
      • Node responds always with Pong
    • Start docker container
    • Get docker container info