Fleep.io handler for Sensu monitoring

handler-fleep.rb

#! /usr/bin/env ruby
#
# DESCRIPTION:
#   This handler formats Sensu alerts and sends them off to a Fleep.io webhook.
#
# OUTPUT:
#
# PLATFORMS:
#   All
#
# DEPENDENCIES:
#   gem: json
#
# USAGE:
#
# LICENSE:
#   Released under the same terms as Sensu (the MIT license); see LICENSE
#   for details.

require 'net/http'
require 'json'

event = JSON.parse(ARGF.read)

short_name = event['client']['name'] + ' / ' + event['check']['name']
action = event['action'].eql?('resolve') ? 'RESOLVED' : 'ALERT'
subject = "#{action} - #{short_name}: #{event['check']['notification']}"

body = <<-BODY.gsub(/^ {14}/, '')
#{subject}

> #{event['check']['output']}
*Host:* #{event['client']['name']}
*Timestamp:* #{Time.at(event['check']['issued'])}
*Address:*  #{event['client']['address']}
*Check Name:*  #{event['check']['name']}
*Command:*  #{event['check']['command']}
*Status:*  #{event['check']['status']}
*Occurrences:*  #{event['occurrences']}
BODY

response = Net::HTTP.post_form(URI.parse('https://fleep.io/hook/'+ENV['FLEEP_HOOK_ID']), {'message'=>body})