wrk-post.lua

--- apt-get install lua-cjson
local cjson = require "cjson"
local cjson2 = cjson.new()

math.randomseed(os.time())

local headers = {}
headers["Content-Type"] = "application/json"

local platforms = {'moz', 'gcm', 'invalid-platform'};
local text = "0123456789abcdefghijklmnopqrstuvwxyz"
local chars = {}
for i = 1, #text do
    chars[i] = text:sub(i, i)
end

rndstring = function(len)
  local str = ""
  for i= 0,len do
    str = str .. chars[math.random(#chars)]
  end
  return str
end

-- /subscribe/:channel
--   token, platform (moz, gcm)
request = function()
  local token = rndstring(50)
  local body = cjson.encode({
    token = rndstring(50),
    platform = platforms[math.random(#platforms)]
  })
  --
  --- print (body)
  return wrk.format('POST', '/api/subscribe/channelwahl', headers, body)
end