balancer

Balancer is a load-balancer for the Container age, easy and battery included.

Features:

• Rest API to handle configuration.
• Is Crazy fast.
• Hot-reloading of configuration: filters and Upstreams.
• Graceful shutdown http connections and drain it before close connections.
• Event system.

Coming soon ...

• HTTPS
• Config watcher: push notification when the config file is changed, or the config on Consul/Etcd/Zookeeper is changed.
• Work with Docker and Docker-Swarm automatically get nodes from services like Consul/Etcd/Zookeeper and docker-swarm
• Fallback and Circuit breaker.
• Let's encrypt integration to privide automatic SSL services.
• WebSocket.

 HTTP[s] requests
   | |
   v v
[balancer]<--[ kvstore/file/swarm ]  // on-watch configuration
      |\___________________
      v                    v
web-serverA:portX  web-serverB:portY // upstreams and fallback

Use with the Dockerfile

docker build -t balancer . && docker run -p 8000:80 -p 9123:9123 balancer

Simple usage:

Then just use the API like curl localhost:9123

1. Store a new Upstream binding :8080 curl -X POST localhost:9123/server --data '{"address":":8080","upstreams":[{"Target":"www.google.com","Port":80}]}'
2. View the server: curl localhost:9123/server/:8080
3. Use it! curl localhost:8080 The proxy should response with the google homepage...

Test it

go get ./...
go test ./...