Support http.publish_host addresses

Author: vEpiphyte

elasticsearch/transport.py

@@ -245,8 +245,16 @@ def _get_host_info(self, host_info):
  if not address or ":" not in address:
  return None
 
- host["host"], host["port"] = address.rsplit(":", 1)
- host["port"] = int(host["port"])
+ if '/' in address:
+ # Support 7.x host/ip:port behavior where http.publish_host has been set.
+ fqdn, ipaddress = address.split('/', 1)
+ host["host"] = fqdn
+ _, host["port"] = ipaddress.rsplit(':', 1)
+ host["port"] = int(host["port"])
+
+ else:
+ host["host"], host["port"] = address.rsplit(":", 1)
+ host["port"] = int(host["port"])
 
  return self.host_info_callback(host_info, host)