let users configure the destination and max disk size of rsyslogd spool

awx/settings/defaults.py

@@ -936,6 +936,8 @@ LOG_AGGREGATOR_ENABLED = False
 LOG_AGGREGATOR_TCP_TIMEOUT = 5
 LOG_AGGREGATOR_VERIFY_CERT = True
 LOG_AGGREGATOR_LEVEL = 'INFO'
+LOG_AGGREGATOR_MAX_DISK_USAGE_GB = 1
+LOG_AGGREGATOR_MAX_DISK_USAGE_PATH = '/var/lib/awx'
 
 # The number of retry attempts for websocket session establishment
 # If you're encountering issues establishing websockets in clustered Tower,