heimuya / memberlist

An example of how to use hashicorp/memberlist

Memberlist

A basic http key/value example of how to use hashicorp/memberlist

Install

go get github.com/asim/memberlist

Usage

memberlist
-members="": comma seperated list of members
-port=4001: http port

Create Cluster

Start first node

memberlist

Make a note of the local member address

Local member 192.168.1.64:60496
Listening on :4001

Start second node with first node as part of the member list

memberlist --members=192.168.1.64:60496 --port=4002

You should see the output

2015/10/17 22:13:49 [DEBUG] memberlist: Initiating push/pull sync with: 192.168.1.64:60496
Local member 192.168.1.64:60499
Listening on :4002

First node output will log the new connection

2015/10/17 22:13:49 [DEBUG] memberlist: TCP connection from: 192.168.1.64:60500
2015/10/17 22:13:52 [DEBUG] memberlist: Initiating push/pull sync with: 192.168.1.64:60499

Key/Value Api

HTTP API

• /add - add value
• /get - get value
• /del - delete value

Query params expected are key and val

# add
curl "http://localhost:4001/add?key=foo&val=bar"

# get
curl "http://localhost:4001/get?key=foo"

# delete
curl "http://localhost:4001/del?key=foo"