Source code for horizon.dashboards.nova.images_and_snapshots.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.
#
# 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 Nova instance snapshots.
"""
import logging
from django.core.urlresolvers import reverse, reverse_lazy
from django.utils.translation import ugettext_lazy as _
from horizon import api
from horizon import exceptions
from horizon import forms
from .forms import CreateSnapshot
LOG = logging.getLogger(__name__)
[docs]class CreateView(forms.ModalFormView):
form_class = CreateSnapshot
template_name = 'nova/images_and_snapshots/snapshots/create.html'
success_url = reverse_lazy("horizon:nova:images_and_snapshots:index")
[docs] def get_object(self):
if not hasattr(self, "_object"):
try:
self._object = api.server_get(self.request,
self.kwargs["instance_id"])
except:
redirect = reverse('horizon:nova:instances:index')
exceptions.handle(self.request,
_("Unable to retrieve instance."),
redirect=redirect)
return self._object
[docs] def get_initial(self):
return {"instance_id": self.kwargs["instance_id"]}
[docs] def get_context_data(self, **kwargs):
context = super(CreateView, self).get_context_data(**kwargs)
context['instance'] = self.get_object()
return context