Gabriel Hurley 2c0a8f3220 Volumes Redux.
Makes all volume-service interactions optional (includes
volumes displays and volumes portion of launch workflow).

Splits Instances & Volumes into separate panels to
facilitate Volumes being optional.

Adds an admin Volumes panel to complement the user
Volumes panel.

Adds the capability to mark Steps in a Workflow as
requiring a given service.

Implements blueprint nova-volume-optional.

Change-Id: I3fb4255617ae52be64e7a300afd691dc36b95586
2012-07-03 16:44:38 -07:00

63 lines
2.2 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.
#
# 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
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__)
class CreateView(forms.ModalFormView):
form_class = CreateSnapshot
template_name = 'nova/images_and_snapshots/snapshots/create.html'
def get_initial(self):
redirect = reverse('horizon:nova:instances:index')
instance_id = self.kwargs["instance_id"]
try:
self.instance = api.server_get(self.request, instance_id)
except:
self.instance = None
msg = _("Unable to retrieve instance.")
exceptions.handle(self.request, msg, redirect)
if self.instance.status != api.nova.INSTANCE_ACTIVE_STATE:
msg = _('To create a snapshot, the instance must be in '
'the "%s" state.') % api.nova.INSTANCE_ACTIVE_STATE
raise exceptions.Http302(redirect, message=msg)
return {"instance_id": instance_id,
"tenant_id": self.request.user.tenant_id}
def get_context_data(self, **kwargs):
context = super(CreateView, self).get_context_data(**kwargs)
context['instance'] = self.instance
return context