98 lines
2.8 KiB
Python
Executable File
98 lines
2.8 KiB
Python
Executable File
#!/usr/bin/env python
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# vim: tabstop=4 shiftwidth=4 softtabstop=4
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# Copyright 2010 United States Government as represented by the
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# Administrator of the National Aeronautics and Space Administration.
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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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Download images from Canonical Image Store
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"""
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import json
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import os
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import tempfile
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import shutil
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import subprocess
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import sys
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import urllib2
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from nova import flags
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from nova import utils
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from nova.objectstore import image
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FLAGS = flags.FLAGS
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api_url = 'https://imagestore.canonical.com/api/dashboard'
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def get_images():
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"""Get a list of the images from the imagestore URL."""
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images = json.load(urllib2.urlopen(api_url))['images']
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images = [img for img in images if img['title'].find('amd64') > -1]
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return images
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def download(img):
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"""Download an image to the local filesystem."""
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# FIXME(ja): add checksum/signature checks
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tempdir = tempfile.mkdtemp(prefix='cis-')
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kernel_id = None
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ramdisk_id = None
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for f in img['files']:
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if f['kind'] == 'kernel':
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dest = os.path.join(tempdir, 'kernel')
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subprocess.call(['curl', f['url'], '-o', dest])
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kernel_id = image.Image.add(dest,
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description='kernel/' + img['title'], kernel=True)
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for f in img['files']:
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if f['kind'] == 'ramdisk':
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dest = os.path.join(tempdir, 'ramdisk')
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subprocess.call(['curl', f['url'], '-o', dest])
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ramdisk_id = image.Image.add(dest,
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description='ramdisk/' + img['title'], ramdisk=True)
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for f in img['files']:
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if f['kind'] == 'image':
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dest = os.path.join(tempdir, 'image')
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subprocess.call(['curl', f['url'], '-o', dest])
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ramdisk_id = image.Image.add(dest,
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description=img['title'], kernel=kernel_id, ramdisk=ramdisk_id)
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shutil.rmtree(tempdir)
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def main():
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"""Main entry point."""
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utils.default_flagfile()
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argv = FLAGS(sys.argv)
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images = get_images()
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if len(argv) == 2:
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for img in images:
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if argv[1] == 'all' or argv[1] == img['title']:
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download(img)
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else:
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print 'usage: %s (title|all)'
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print 'available images:'
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for img in images:
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print img['title']
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if __name__ == '__main__':
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main()
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