Kong Plugin Idempotency

A Kong plugin that enables idempotency to HTTP POST.

Description

This plugin set a nx key on redis database for each X-Idempotency-Key came from the client, when the same X-Idempotency-Key came in other request throws error because the keys is already set on redis.

Installation

$ luarocks install kong-plugin-idempotency

Update the plugins config to add idempotency:

plugins = bundled,idempotency

Configuration

$ curl -X POST http://kong:8001/apis/{api}/plugins \
    --data "name=idempotency" \
    --data "config.redis_host=my_redis_server" \
    --data "config.redis_port=6379" \
    --data "config.redis_cache_time=10000"

Parameter	default	description
config.is_required	false	Define if idempotency is required, when is false it is possible to send request without X-Idempotency-Key.
config.redis_host		Mandatory.
config.redis_port	6379
config.redis_password
config.redis_username
config.redis_ssl	false
config.redis_ssl_verify	false
config.redis_timeout	2000
config.redis_database	0