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[Gorka Eguileor <1922052@xxxxxxxxxxxxxxxxxx>]

Fix available in Xena (2.6.0)

** Changed in: oslo.privsep
       Status: In Progress => Fix Released

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https://bugs.launchpad.net/bugs/1922052

Title:
  Missing os-brick commands in debug mode

Status in OpenStack Compute (nova):
  Triaged
Status in oslo.privsep:
  Fix Released

Bug description:
  To debug os-brick's attach and detach code developers and system
  administrators rely on seeing  what commands are actually being
  executed by os-brick.

  The os-brick library relies on the DEBUG logs from the libraries (such
  as ``oslo_concurrency.processutils``) for this purpose instead of
  duplicating log entries by logging the calls and stdout-stderr itself.

  The default configuration in Nova no longer logs those os-brick
  commands when running on debug mode.

  This issue was introduced when fixing bug #1784062, as the fix was to
  set ALL privsep calls to log only INFO level messages.

  The current solution is to set the ``default_log_levels``
  configuration option in nova and include
  ``oslo.privsep.daemon=DEBUG`` in it.

  The default for os-brick should be the other way around, it should
  allow emitting DEBUG messages on debug mode.

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