Explain how to delete a metadata in aggregate-set-metadata

nova aggregate-set-metadata not given value of a key means delete the
metadata, so explain this usage in help message.

Change-Id: Ie8215bd8b47ed00e3d4686edab9e3052ae84774d
This commit is contained in:
gtt116 2014-03-14 09:40:33 +08:00
parent 14deb0194e
commit 99aa0273dc

@ -2739,7 +2739,8 @@ def do_aggregate_update(cs, args):
nargs='+',
action='append',
default=[],
help=_('Metadata to add/update to aggregate'))
help=_('Metadata to add/update to aggregate. '
'Specify only the key to delete a metadata item.'))
def do_aggregate_set_metadata(cs, args):
"""Update the metadata associated with the aggregate."""
aggregate = _find_aggregate(cs, args.aggregate)