First version of fetch_haproxy_backend_bytes.rb script.
First version of fetch_haproxy_backend_bytes.rb script.

This script allows for fetching byte counters (both input and output) for
a particular back-end server pool.

Signed-off-by: Krzysztof Wilczynski <9bf091559fc98493329f7d619638c79e91ccf029@youdevise.com>

kwilczynski/miscellaneous,kwilczynski/miscellaneous,kwilczynski/miscellaneous,kwilczynski/miscellaneous,kwilczynski/miscellaneous,kwilczynski/miscellaneous,kwilczynski/miscellaneous