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[Takashi NATSUME <natsume.takashi@xxxxxxxxxxxxx>]

Public bug reported:

String interpolation should be delayed to be handled by the logging
code, rather than being done at the point of the logging call.

Wrong: LOG.debug('Example: %s' % 'bad')
Right: LOG.debug('Example: %s', 'good')

See the following guideline.

* http://docs.openstack.org/developer/oslo.i18n/guidelines.html#adding-
variables-to-log-messages

The rule for it should be added to hacking checks.

** Affects: nova
     Importance: Undecided
     Assignee: Takashi NATSUME (natsume-takashi)
         Status: In Progress

** Changed in: nova
     Assignee: (unassigned) => Takashi NATSUME (natsume-takashi)

** Changed in: nova
       Status: New => In Progress

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https://bugs.launchpad.net/bugs/1596829

Title:
  String interpolation should be delayed at logging calls

Status in OpenStack Compute (nova):
  In Progress

Bug description:
  String interpolation should be delayed to be handled by the logging
  code, rather than being done at the point of the logging call.

  Wrong: LOG.debug('Example: %s' % 'bad')
  Right: LOG.debug('Example: %s', 'good')

  See the following guideline.

  * http://docs.openstack.org/developer/oslo.i18n/guidelines.html
  #adding-variables-to-log-messages

  The rule for it should be added to hacking checks.

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