fix: Add default loglevels to aid troubleshooting

When troubleshooting, it helps to raise or lower default log levels
of specific modules, setting requests related loggers to DEBUG for
example can help one diagnose ceilometer CRUD operations.

helm-configs/ceilometer/ceilometer-helm-overrides.yaml

@@ -46,6 +46,13 @@ ipmi_device: /dev/ipmi0
 conf:
   ceilometer:
     DEFAULT:
+      debug: "false"
+#      default_log_levels: >-
+#        amqp=WARN,amqplib=WARN,boto=WARN,qpid=WARN,sqlalchemy=WARN,suds=INFO,oslo.messaging=INFO,
+#        oslo_messaging=INFO,iso8601=WARN,requests.packages.urllib3.connectionpool=DEBUG,
+#        urllib3.connectionpool=DEBUG,websocket=WARN,requests.packages.urllib3.util.retry=DEBUG,
+#        urllib3.util.retry=DEBUG,keystonemiddleware=WARN,routes.middleware=WARN,stevedore=WARN,
+#        taskflow=WARN,keystoneauth=WARN,oslo.cache=INFO,oslo_policy=INFO,dogpile.core.dogpile=INFO
       event_dispatchers:
         type: multistring
         values: