paulbsd-salt/states/haproxy/scripts/collector.lua

local json = require("json")

core.register_action("collector", { "http-req" }, function(txn)
  local info = {}
  local headers = {}

  local reqbody = txn.sf:req_body()
  local reqclientip = txn.f:src()
  local reqheaders = txn.http:req_get_headers()
  local reqmethod = txn.f:method()
  local reqpath = txn.f:path()

  info["body"] = reqbody
  info["clientip"] = reqclientip
  local headers = {}
  for k,v in pairs(reqheaders) do
    headers[k] = {}
    for z,y in pairs(v) do
      table.insert(headers[k],y)
    end
  end
  info["headers"] = headers
  info["method"] = reqmethod
  info["path"] = reqpath

  local infojson = json.encode(info)
  -- httpclient is a haproxy 2.5+ class
  local req = httpclient:post{url="https://ipbl.paulbsd.com", body=infojson}

  txn.Info(txn, infojson)
end
)