haproxy multi backend radosgw config

gistfile1.txt

frontend cs3.cern.ch-frontend-ssl
  bind ipv4@:443,ipv6@:443 ssl no-sslv3 crt /etc/haproxy/cert.pem verify none
  acl ha_stats url_beg /stats
  acl pathstyle_buckets hdr(host) -i cs3.cern.ch
  capture request header User-Agent len 256
  capture request header Host len 128
  http-request set-var(req.bucketname) path,word(1,/) if pathstyle_buckets
  http-request set-var(req.bucketname) hdr(host),regsub(.cs3.cern.ch,) if ! pathstyle_buckets
  http-request set-header X-Debug-Bucket %[var(req.bucketname)]
  timeout http-request 5m
  timeout client 5m
  use_backend stats if ha_stats
  use_backend %[var(req.bucketname),lower,map(/etc/haproxy/buckets.map,backend-beesly)]