2a5a0e9a35
Adds documentation on managing the image cache Adds a simple CLI program to queue an image for caching. Change-Id: I2b4c9708c521fdcfaf1c6b8f07505e130923c4b7
57 lines
1.8 KiB
Python
57 lines
1.8 KiB
Python
#!/usr/bin/env python
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# vim: tabstop=4 shiftwidth=4 softtabstop=4
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# Copyright 2011 OpenStack LLC.
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# All Rights Reserved.
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#
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# Licensed under the Apache License, Version 2.0 (the "License"); you may
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# not use this file except in compliance with the License. You may obtain
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# a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
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# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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# License for the specific language governing permissions and limitations
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# under the License.
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"""
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CLI Utility to queue one or more images for prefetching into the image cache
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"""
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import gettext
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import optparse
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import os
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import sys
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# If ../glance/__init__.py exists, add ../ to Python search path, so that
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# it will override what happens to be installed in /usr/(local/)lib/python...
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possible_topdir = os.path.normpath(os.path.join(os.path.abspath(sys.argv[0]),
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os.pardir,
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os.pardir))
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if os.path.exists(os.path.join(possible_topdir, 'glance', '__init__.py')):
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sys.path.insert(0, possible_topdir)
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gettext.install('glance', unicode=1)
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from glance import version
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from glance.common import config
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USAGE = """
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%%prog [OPTIONS] <IMAGE_ID1> [<IMAGE_ID2> ... <IMAGE_IDN>]
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"""
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if __name__ == '__main__':
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oparser = optparse.OptionParser(version='%%prog %s'
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% version.version_string(),
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usage=USAGE)
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(options, args) = config.parse_options(oparser)
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try:
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conf, app = config.load_paste_app('glance-queue-image', options, args)
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app.run(args)
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except RuntimeError, e:
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sys.exit("ERROR: %s" % e)
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