ha-handler/lib/ha_handler/web/controller.ex

defmodule HAHandler.Web.Controller do
	import Plug.Conn

	alias HAHandler.HAProxy

	def index(conn) do
		{:ok, hostname} = :inet.gethostname()

		stats = HAProxy.get_stats()
		reply = "OK #{hostname}"
					<> "\nPROXY: "
					<> inspect(stats)

		conn
		|> put_resp_content_type("text/plain")
		|> send_resp(200, reply)
	end
end