Set the default_log_levels to include keystoneclient

This creates a loggger for keystoneclient so we don't get:
"
No handlers could be found for logger "keystoneclient.middleware.auth_token"
"

bug 1152584
Signed-off-by: Angus Salkeld <asalkeld@redhat.com>

Change-Id: I72d4de37799956b33371826aae50d8ac1ee333b1

ceilometer/service.py

@@ -80,5 +80,13 @@ def _sanitize_cmd_line(argv):
 
 def prepare_service(argv=[]):
     rpc.set_defaults(control_exchange='ceilometer')
+    cfg.set_defaults(log.log_opts,
+                     default_log_levels=['amqplib=WARN',
+                                         'qpid.messaging=INFO',
+                                         'sqlalchemy=WARN',
+                                         'keystoneclient=INFO',
+                                         'stevedore=INFO',
+                                         'eventlet.wsgi.server=WARN'
+                                         ])
     cfg.CONF(argv[1:], project='ceilometer')
     log.setup('ceilometer')