Scale

A load balancer

Features

• Supports http and https protocols
• Port forwarding

Installation

$ npm i scale -g

Usage

$ scale -h
  Usage: scale [options] [command]

  Commands:

    config                 show config
    start                  start scale
    stop                   stop scale
    restart                restart scale
    *                      unknown command

  Options:

    -h, --help     output usage information
    -V, --version  output the version number
    -e, --edit     edit config

$ scale start
info: starting scale on port 4141

$ scale config      # show config

$ scale -e config   # edit config

Configuration

# Root directory to store scale data
root: $HOME/.scale

# Port on which scale runs
port: 1431

# List of servers to balance load
servers:
  - name:
    protocol:   # http/https
    hostname:
    port:

# Routing technique
technique:    # random/roundrobin

# Port forwarding
forward:
  - port:
  target:
    hostname:
    port:

Example npm/lib/node_modules/scale/config.yml

servers:
  - name: s1
    protocol: http
    hostname: httpbin.org
  - name: s2
    protocol: http
    hostname: stackoverflow.com
  - name: s3
    protocol: http
    hostname: www.yahoo.com
technique: random
forward:
  - port: 4545
    target:
      hostname: localhost
      port: 22

Caveats

• Scale is in very very early stage, please use it just for testing and development, seriously!