https://github.com/hyperlink/elector

simple zookeeper based leader election
https://github.com/hyperlink/elector

leader-election nodejs zookeeper

Last synced: 8 months ago
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simple zookeeper based leader election

• Host: GitHub
• URL: https://github.com/hyperlink/elector
• Owner: hyperlink
• License: mit
• Created: 2017-06-15T19:58:47.000Z (about 9 years ago)
• Default Branch: master
• Last Pushed: 2020-05-29T04:45:41.000Z (about 6 years ago)
• Last Synced: 2025-09-25T19:12:30.417Z (9 months ago)
• Topics: leader-election, nodejs, zookeeper
• Language: JavaScript
• Size: 161 KB
• Stars: 1
• Watchers: 1
• Forks: 0
• Open Issues: 11
• Metadata Files:
  • Readme: README.md
  • License: LICENSE

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README

          
# Elector - simple zookeeper based leader election

[![Build Status](https://travis-ci.org/hyperlink/elector.svg?branch=master)](https://travis-ci.org/hyperlink/elector)

[![Greenkeeper badge](https://badges.greenkeeper.io/hyperlink/elector.svg)](https://greenkeeper.io/)

[![npm version](https://badge.fury.io/js/elector.svg)](https://badge.fury.io/js/elector)

## Features

* emits `leader` event when instance has been elected a leader

* emits `follower` event when instance is a follower

* check using `elector.isLeader`

## Install

```bash

npm install --save elector

```

## Usage

```javascript

const Elector = require('elector')

const elector = new Elector({host: 'localhost:2818'})

// alternatively pass in zookeeper client

// const elector = new Elector(new zookeeper.createClient('localhost:2818'))

// connects to zookeeper and starts the election process

elector.connect()

elector.on('leader', function () {

	console.log('I am the supreme leader worship me!')

})

elector.on('follower', function () {

	console.log('I am but a lowly follower :(')

})

// leave the election and closes zookeeper connection

// do this to leave the election quickly

// elector.disconnect()

```

## License

MIT