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-id came from the client, when the same x-idempotency-id 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.redis_host	[required]	Host of redis server.
config.redis_port	[required]	Port of redis server.
config.redis_cache_time	[required]	Caches expiration time in seconds.
config.is_required	false	Define if idempotency is required, when is false it is possible to send request without x-idempotency-id.

Author

David Washington - GitHub