Fix debugging and Galera support

Fix debugging for newer python-novaclient versions

Also add support for the Galera protocol option

Change-Id: I84f65d659e9699f26566745b18d868280dc15918

doc/command.rst

@@ -95,7 +95,9 @@ Create a load balancer
 
 .. option:: --protocol <protocol>
 
-   The protocol type for the load balancer (HTTP or TCP)
+   The protocol type for the load balancer (HTTP, TCP or GALERA).
+   The Galera option adds support for deadlock avoidance in Galera clusters,
+   see `Serveral Nine's Blog <http://www.severalnines.com/blog/avoiding-deadlocks-galera-set-haproxy-single-node-writes-and-multi-node-reads>`_ on this.
 
 .. option:: --node <ip:port>
 

libraclient/clientoptions.py

@@ -90,7 +90,7 @@ class ClientOptions(object):
                         help='port for the load balancer, 80 is default')
         sp.add_argument('--protocol',
                         help='protocol for the load balancer, HTTP is default',
-                        choices=['HTTP', 'TCP'])
+                        choices=['HTTP', 'TCP', 'GALERA'])
         sp.add_argument('--algorithm',
                         help='algorithm for the load balancer,'
                              ' ROUND_ROBIN is default',

libraclient/libraapi.py

@@ -15,6 +15,7 @@
 import prettytable
 import novaclient
 import socket
+import logging
 
 from novaclient import client
 
@@ -59,6 +60,10 @@ novaclient.exceptions.from_response = from_response
 
 class LibraAPI(object):
     def __init__(self, args):
+        if args.debug:
+            logger = logging.getLogger()
+            logger.setLevel(logging.DEBUG)
+
         self.nova = client.HTTPClient(
             args.os_username,
             args.os_password,