[Bug 1554195] Re: Nova (juno) ignores logging_*_format_string in syslog output

[Ubuntu Foundations Team Bug Bot]

The attachment "wz_fix_syslog_formatter.patch" seems to be a patch.  If
it isn't, please remove the "patch" flag from the attachment, remove the
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** Tags added: patch

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https://bugs.launchpad.net/bugs/1554195

Title:
  Nova (juno) ignores logging_*_format_string in syslog output

Status in OpenStack Compute (nova):
  Invalid
Status in nova package in Ubuntu:
  Confirmed

Bug description:
  Nova in juno ignores following settings in configuration file ([DEFAULT] section):
  logging_context_format_string
  logging_default_format_string
  logging_debug_format_suffix
  logging_exception_prefix

  when sending logs via syslog. Log entries on stderr / in log files are
  fine (use logging_*_format).

  Steps to reproduce:

  1. set up custom logging stings and enable syslog:

  [DEFAULT]
  logging_default_format_string=MYSTYLE-DEFAULT-%(message)s
  logging_context_format_string=MYSTYLE-CONTEXT-%(message)s
  use_syslog=true

  2. restart nova and perform some actions

  3. Check the syslog content

  Expected behaviour: MYSTYLE- prefix in all messages.
  Actual behaviour: no changes in log message styles.

  This bug is specific to Juno version of nova.

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