http-troll

About

This tool is nice to simulate slow or fickle webservices. Once started, it provides you a HTTP endpoint pointing to your origin of choice.

You can configure random response times and a HTTP 503 response ratio.

Installation

npm install http-troll -g // <- global required

Usage

Start reverse proxy to example.com, listening on port 7000 with enabled access log.

troll http://example.com -p 7000 --access-log

Options

Usage: troll http://example.com [OPTIONS]

  -p, --port=ARG    port for proxy to listen on
  -l, --access-log  print access log
  -r, --replay      replays previously made calls
  -h, --help        display this help

Configure via console

Once the server is started, you can just start typing those commands. They will be applied immediately.

Set error rate to 50%

Just type in your terminal: 50%

Set response time delay to randomly 50-150ms

Just type in your terminal: 50,150

Stop the troll

Just type... ye you guess it: stop

Configure via HTTP

Once started, it can be configured via console or http api. These changes will be applied immediately.

set response time to 20 to 500ms

curl -H 'response-times: 20,500' http://localhost:7000/configure

set HTTP 503 ratio to 40%

curl -H 'error-503: 0.4' http://localhost:7000/configure