horizon/openstack_dashboard/dashboards/admin/volumes/snapshots/forms.py

68 lines
2.4 KiB
Python

# 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.
from django.core.urlresolvers import reverse
from django.utils.translation import ugettext_lazy as _
from horizon import exceptions
from horizon import forms
from horizon import messages
from openstack_dashboard.api import cinder
# This set of states was pulled from cinder's snapshot_actions.py
STATUS_CHOICES = (
('available', _('Available')),
('creating', _('Creating')),
('deleting', _('Deleting')),
('error', _('Error')),
('error_deleting', _('Error Deleting')),
)
def populate_status_choices(initial, status_choices):
current_status = initial.get('status')
status_choices = [status for status in status_choices
if status[0] != current_status]
status_choices.insert(0, ("", _("Select a new status")))
return status_choices
class UpdateStatus(forms.SelfHandlingForm):
status = forms.ThemableChoiceField(label=_("Status"))
def __init__(self, request, *args, **kwargs):
super(UpdateStatus, self).__init__(request, *args, **kwargs)
initial = kwargs.get('initial', {})
self.fields['status'].choices = populate_status_choices(
initial, STATUS_CHOICES)
def handle(self, request, data):
try:
cinder.volume_snapshot_reset_state(request,
self.initial['snapshot_id'],
data['status'])
choices = dict(STATUS_CHOICES)
choice = choices[data['status']]
messages.success(request, _('Successfully updated volume snapshot'
' status: "%s".') % choice)
return True
except Exception:
redirect = reverse("horizon:admin:volumes:index")
exceptions.handle(request,
_('Unable to update volume snapshot status.'),
redirect=redirect)