nova/files/logging.conf

{%- set log_handlers = [] -%}
{%- for log_handler_name, log_handler_attrs in values.logging.log_handlers.items() %}
  {%- if log_handler_attrs.get('enabled', False) %}
    {%- do log_handlers.append(log_handler_name) -%}
  {%- endif %}
{%- endfor %}

[loggers]
keys = root, nova

[handlers]
keys = {{ log_handlers | join(", ") }}

[formatters]
keys = context, default, fluentd

[logger_root]
level = WARNING
handlers = {{ log_handlers | join(", ") }}

[logger_nova]
level = INFO
handlers = {{ log_handlers | join(", ") }}
qualname = nova
propagate = 0

[logger_amqp]
level = WARNING
handlers = {{ log_handlers | join(", ") }}
qualname = amqp

[logger_amqplib]
level = WARNING
handlers = {{ log_handlers | join(", ") }}
qualname = amqplib

[logger_sqlalchemy]
level = WARNING
handlers = {{ log_handlers | join(", ") }}
qualname = sqlalchemy
# "level = INFO" logs SQL queries.
# "level = DEBUG" logs SQL queries and results.
# "level = WARNING" logs neither.  (Recommended for production systems.)

[logger_boto]
level = WARNING
handlers = {{ log_handlers | join(", ") }}
qualname = boto

# NOTE(mikal): suds is used by the vmware driver, removing this will
# cause many extraneous log lines for their tempest runs. Refer to
# https://review.openstack.org/#/c/219225/ for details.
[logger_suds]
level = INFO
handlers = {{ log_handlers | join(", ") }}
qualname = suds

[logger_eventletwsgi]
level = WARNING
handlers = {{ log_handlers | join(", ") }}
qualname = eventlet.wsgi.server

{% if values.logging.log_handlers.get('fluentd').get('enabled', False) -%}
[handler_fluentd]
class = fluent.handler.FluentHandler
args = ('openstack.{{ service_name | replace("-", ".", 1) }}', 'localhost', 24224)
formatter = fluentd
{%- endif %}

{% if values.logging.log_handlers.watchedfile.enabled -%}
[handler_watchedfile]
class = handlers.WatchedFileHandler
args = ('/var/log/nova/{{ service_name }}.log',)
formatter = context
{%- endif %}

[formatter_context]
class = oslo_log.formatters.ContextFormatter

[formatter_default]
format = %(message)s

{% if values.logging.log_handlers.get('fluentd').get('enabled', False) -%}
[formatter_fluentd]
class = oslo_log.formatters.FluentFormatter
{%- endif %}