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[OpenStack Infra <1802167@xxxxxxxxxxxxxxxxxx>]

Reviewed:  https://review.openstack.org/616723
Committed: https://git.openstack.org/cgit/openstack/nova/commit/?id=dda614c7722973a200278c37ace569cd056d5f50
Submitter: Zuul
Branch:    master

commit dda614c7722973a200278c37ace569cd056d5f50
Author: Takashi NATSUME <natsume.takashi@xxxxxxxxxxxxx>
Date:   Fri Nov 9 10:43:15 2018 +0900

    Fix a help string in nova-manage
    
    Fix a help string of the '--before' argument
    in the 'nova-manage db purge' command.
    
    Change-Id: I21845c52e09bb794e52bd7375fb70a498aab92ed
    Closes-Bug: #1802167


** Changed in: nova
       Status: In Progress => Fix Released

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https://bugs.launchpad.net/bugs/1802167

Title:
  nova-manage db purge -h has weird help for --before option

Status in OpenStack Compute (nova):
  Fix Released

Bug description:
  This is probably due to not having a metavar defined for the --before
  option, but the help output is weird:

  stack@stein:~/nova$ nova-manage db purge -h
  /usr/local/lib/python2.7/dist-packages/psycopg2/__init__.py:144: UserWarning: The psycopg2 wheel package will be renamed from release 2.8; in order to keep installing from binary please use "pip install psycopg2-binary" instead. For details see: <http://initd.org/psycopg/docs/install.html#binary-install-from-pypi>.
    """)
  usage: nova-manage db purge [-h] [--before ACTION_KWARG_BEFORE] [--all]
                              [--verbose] [--all-cells]

  optional arguments:
    -h, --help            show this help message and exit
    --before ACTION_KWARG_BEFORE
                          If specified, purge rows from shadow tables that are
                          older than this. Fuzzy time specs are allowed
    --all                 Purge all rows in the shadow tables
    --verbose             Print information about purged records
    --all-cells           Run against all cell databases
  stack@stein:~/nova$


  Notably the "ACTION_KWARG_BEFORE" thing.

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