94 lines
2.7 KiB
Python
94 lines
2.7 KiB
Python
# 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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Proxy AMI-related calls from the cloud controller, to the running
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objectstore daemon.
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"""
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import boto
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import boto.s3
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import json
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import random
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import urllib
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from nova import flags
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from nova import utils
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FLAGS = flags.FLAGS
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def modify(context, image_id, operation):
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conn(context).make_request(
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method='POST',
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bucket='_images',
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query_args=qs({'image_id': image_id, 'operation': operation}))
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return True
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def register(context, image_location):
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""" rpc call to register a new image based from a manifest """
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image_id = utils.generate_uid('ami')
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conn(context).make_request(
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method='PUT',
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bucket='_images',
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query_args=qs({'image_location': image_location,
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'image_id': image_id}))
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return image_id
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def list(context, filter_list=[]):
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""" return a list of all images that a user can see
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optionally filtered by a list of image_id """
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# FIXME: send along the list of only_images to check for
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response = conn(context).make_request(
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method='GET',
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bucket='_images')
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result = json.loads(response.read())
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if not filter_list is None:
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return [i for i in result if i['imageId'] in filter_list]
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return result
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def deregister(context, image_id):
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""" unregister an image """
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conn(context).make_request(
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method='DELETE',
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bucket='_images',
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query_args=qs({'image_id': image_id}))
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def conn(context):
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return boto.s3.connection.S3Connection (
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aws_access_key_id=str('%s:%s' % (context.user.access, context.project.name)),
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aws_secret_access_key=str(context.user.secret),
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is_secure=False,
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calling_format=boto.s3.connection.OrdinaryCallingFormat(),
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port=FLAGS.s3_port,
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host=FLAGS.s3_host)
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def qs(params):
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pairs = []
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for key in params.keys():
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pairs.append(key + '=' + urllib.quote(params[key]))
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return '&'.join(pairs)
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