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# vim: tabstop=4 shiftwidth=4 softtabstop=4
# Copyright 2012 United States Government as represented by the
# Administrator of the National Aeronautics and Space Administration.
# All Rights Reserved.
#
# Copyright 2012 Nebula, Inc.
#
# Licensed under the Apache License, Version 2.0 (the "License"); you may
# not use this file except in compliance with the License. You may obtain
# a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
# License for the specific language governing permissions and limitations
# under the License.
from __future__ import absolute_import
import logging
import thread
import urlparse
from django.conf import settings
import glanceclient as glance_client
from openstack_dashboard.api.base import url_for
LOG = logging.getLogger(__name__)
def glanceclient(request):
o = urlparse.urlparse(url_for(request, 'image'))
url = "://".join((o.scheme, o.netloc))
insecure = getattr(settings, 'OPENSTACK_SSL_NO_VERIFY', False)
LOG.debug('glanceclient connection created using token "%s" and url "%s"'
% (request.user.token.id, url))
return glance_client.Client('1', url, token=request.user.token.id,
insecure=insecure)
def image_delete(request, image_id):
return glanceclient(request).images.delete(image_id)
def image_get(request, image_id):
"""
Returns an Image object populated with metadata for image
with supplied identifier.
"""
return glanceclient(request).images.get(image_id)
def image_list_detailed(request, marker=None, filters=None):
limit = getattr(settings, 'API_RESULT_LIMIT', 1000)
page_size = getattr(settings, 'API_RESULT_PAGE_SIZE', 20)
kwargs = {'filters': filters or {}}
if marker:
kwargs['marker'] = marker
images = list(glanceclient(request).images.list(page_size=page_size,
limit=limit,
**kwargs))
# Glance returns (page_size + 1) items if more items are available
if(len(images) > page_size):
return (images[0:-1], True)
else:
return (images, False)
def image_update(request, image_id, **kwargs):
return glanceclient(request).images.update(image_id, **kwargs)
def image_create(request, **kwargs):
copy_from = None
if kwargs.get('copy_from'):
copy_from = kwargs.pop('copy_from')
image = glanceclient(request).images.create(**kwargs)
if copy_from:
thread.start_new_thread(image_update,
(request, image.id),
{'copy_from': copy_from})
return image
def snapshot_list_detailed(request, marker=None, extra_filters=None):
filters = {'property-image_type': 'snapshot'}
filters.update(extra_filters or {})
return image_list_detailed(request, marker, filters)
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