Source code for horizon.api.glance

# 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 horizon.api.base import url_for


LOG = logging.getLogger(__name__)


[docs]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)
[docs]def image_delete(request, image_id): return glanceclient(request).images.delete(image_id)
[docs]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)
[docs]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)
[docs]def image_update(request, image_id, **kwargs): return glanceclient(request).images.update(image_id, **kwargs)
[docs]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
[docs]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)