Source code for openstack_dashboard.dashboards.project.images_and_snapshots.views

# 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,
[docs] 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)
[docs] def get_images_data(self): marker = self.request.GET.get(
[docs] 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'):
[docs] 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
[docs] template_name = 'project/images_and_snapshots/snapshots/detail.html' def get_context_data(self, **kwargs): context = super(DetailView, self).get_context_data(**kwargs)
[docs] context["snapshot"] = self.get_data() return context @memoized.memoized_method def get_data(self):
try:
[docs] 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()
[docs] return self.tab_group_class(request, snapshot=snapshot, **kwargs)