Source code for horizon.dashboards.nova.images_and_snapshots.views
# 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.
# Copyright 2012 OpenStack LLC
#
# 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.
"""
Views for managing Images and Snapshots.
"""
import logging
from django.utils.translation import ugettext_lazy as _
from horizon import api
from horizon.api.base import is_service_enabled
from horizon import exceptions
from horizon import tables
from horizon import tabs
from .images.tables import ImagesTable
from .snapshots.tables import SnapshotsTable
from .volume_snapshots.tables import VolumeSnapshotsTable
from .volume_snapshots.tabs import SnapshotDetailTabs
LOG = logging.getLogger(__name__)
[docs]class IndexView(tables.MultiTableView):
table_classes = (ImagesTable, SnapshotsTable, VolumeSnapshotsTable)
template_name = 'nova/images_and_snapshots/index.html'
[docs] def has_more_data(self, table):
return getattr(self, "_more_%s" % table.name, False)
[docs] def get_images_data(self):
marker = self.request.GET.get(ImagesTable._meta.pagination_param, None)
try:
# FIXME(gabriel): The paging is going to be strange here due to
# our filtering after the fact.
(all_images,
self._more_images) = api.image_list_detailed(self.request,
marker=marker)
images = [im for im in all_images
if im.container_format not in ['aki', 'ari'] and
im.properties.get("image_type", '') != "snapshot"]
except:
images = []
exceptions.handle(self.request, _("Unable to retrieve images."))
return images
[docs] def get_snapshots_data(self):
req = self.request
marker = req.GET.get(SnapshotsTable._meta.pagination_param, None)
try:
snaps, self._more_snapshots = api.snapshot_list_detailed(req,
marker=marker)
except:
snaps = []
exceptions.handle(req, _("Unable to retrieve snapshots."))
return snaps
[docs] def get_volume_snapshots_data(self):
if is_service_enabled(self.request, 'volume'):
try:
snapshots = api.volume_snapshot_list(self.request)
except:
snapshots = []
exceptions.handle(self.request, _("Unable to retrieve "
"volume snapshots."))
else:
snapshots = []
return snapshots
[docs]class DetailView(tabs.TabView):
tab_group_class = SnapshotDetailTabs
template_name = 'nova/images_and_snapshots/snapshots/detail.html'