Send Nagios notifications to slack

slack_nagios.rb

#!/usr/bin/env ruby

require 'net/http'
require 'uri'
require 'json'

WEB_HOOK = 'https://hooks.slack.com/services/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'

def arguments_to_field
  fields = {}
  ARGV.each do |arg|
    field = arg.split('=')
    fields[field[0]] = field[1]
  end
  fields
end

def message
  message = ''
  arguments_to_field.each do |key, value|
    message += " #{key}: #{value}"
  end
  message.strip
end

def slack_send
  uri = URI.parse(WEB_HOOK)
  http = Net::HTTP.new(uri.host, uri.port)
  http.use_ssl = true

  request = Net::HTTP::Post.new(uri.request_uri)
  payload = { channel: '#sysadmin', username: 'Nagios', text: message }
  request.body = payload.to_json

  response = http.request(request)
end

slack_send