TMSS-614: Warn if we cannot connect to RabbitMQ. This helps understand a later...

TMSS-614: Warn if we cannot connect to RabbitMQ. This helps understand a later error as the code retries with port -1.

LCS/Messaging/python/messaging/config.py

@@ -5,6 +5,8 @@ logger = logging.getLogger(__name__)
 import kombu
 # make default kombu/amqp logger less spammy
 logging.getLogger("amqp").setLevel(logging.INFO)
+# we're logging when this file is loaded, so format must be correct
+logging.basicConfig(format = '%(asctime)s %(levelname)s %(message)s', level = logging.INFO)
 
 from lofar.messaging import adaptNameToEnvironment
 from lofar.common import isProductionEnvironment, isTestEnvironment
@@ -59,6 +61,8 @@ for port in possible_ports:
     except Exception as e:
         logger.debug("cannot connect to broker: hostname=%s port=%s userid=%s password=*** error=%s",
                      DEFAULT_BROKER, port, DEFAULT_USER, e)
+else:
+    logger.error("Cannot connect to rabbitmq broker with hostname=%s userid=%s password=***. I tried ports %s.", DEFAULT_BROKER, DEFAULT_USER, possible_ports)
 
 # default exchange to use for publishing messages
 DEFAULT_BUSNAME = adaptNameToEnvironment(os.environ.get('LOFAR_DEFAULT_EXCHANGE', 'lofar'))