horizon/openstack_dashboard/dashboards/project/images_and_snapshots/views.py

109 lines
4.0 KiB
Python

# 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 Foundation
#
# 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.
"""
from django.core.urlresolvers import reverse
from django.utils.translation import ugettext_lazy as _
from horizon import exceptions
from horizon import tables
from horizon import tabs
from horizon.utils import memoized
from openstack_dashboard import api
from openstack_dashboard.api import base
from openstack_dashboard.dashboards.project.images_and_snapshots.images \
import tables as images_tables
from openstack_dashboard.dashboards.project.images_and_snapshots.\
volume_snapshots import tables as vol_snsh_tables
from openstack_dashboard.dashboards.project.images_and_snapshots.\
volume_snapshots import tabs as vol_snsh_tabs
class IndexView(tables.MultiTableView):
table_classes = (images_tables.ImagesTable,
vol_snsh_tables.VolumeSnapshotsTable)
template_name = 'project/images_and_snapshots/index.html'
def has_more_data(self, table):
return getattr(self, "_more_%s" % table.name, False)
def get_images_data(self):
marker = self.request.GET.get(
images_tables.ImagesTable._meta.pagination_param, None)
try:
(images,
self._more_images) = api.glance.image_list_detailed(self.request,
marker=marker)
except Exception:
images = []
exceptions.handle(self.request, _("Unable to retrieve images."))
return images
def get_volume_snapshots_data(self):
if base.is_service_enabled(self.request, 'volume'):
try:
snapshots = api.cinder.volume_snapshot_list(self.request)
volumes = api.cinder.volume_list(self.request)
volumes = dict((v.id, v) for v in volumes)
except Exception:
snapshots = []
volumes = {}
exceptions.handle(self.request, _("Unable to retrieve "
"volume snapshots."))
for snapshot in snapshots:
volume = volumes.get(snapshot.volume_id)
setattr(snapshot, '_volume', volume)
else:
snapshots = []
return snapshots
class DetailView(tabs.TabView):
tab_group_class = vol_snsh_tabs.SnapshotDetailTabs
template_name = 'project/images_and_snapshots/snapshots/detail.html'
def get_context_data(self, **kwargs):
context = super(DetailView, self).get_context_data(**kwargs)
context["snapshot"] = self.get_data()
return context
@memoized.memoized_method
def get_data(self):
try:
snapshot_id = self.kwargs['snapshot_id']
return api.cinder.volume_snapshot_get(self.request, snapshot_id)
except Exception:
url = reverse('horizon:project:images_and_snapshots:index')
exceptions.handle(self.request,
_('Unable to retrieve snapshot details.'),
redirect=url)
def get_tabs(self, request, *args, **kwargs):
snapshot = self.get_data()
return self.tab_group_class(request, snapshot=snapshot, **kwargs)