horizon/horizon/dashboards/nova/images_and_snapshots/snapshots/forms.py

57 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.
import logging
from django import shortcuts
from django.core.urlresolvers import reverse
from django.contrib import messages
from django.utils.translation import ugettext as _
from horizon import api
from horizon import exceptions
from horizon import forms
LOG = logging.getLogger(__name__)
class CreateSnapshot(forms.SelfHandlingForm):
tenant_id = forms.CharField(widget=forms.HiddenInput())
instance_id = forms.CharField(widget=forms.TextInput(
attrs={'readonly': 'readonly'}))
name = forms.CharField(max_length="20", label=_("Snapshot Name"))
def handle(self, request, data):
try:
api.snapshot_create(request, data['instance_id'], data['name'])
# NOTE(gabriel): This API call is only to display a pretty name.
instance = api.server_get(request, data['instance_id'])
vals = {"name": data['name'], "inst": instance.name}
messages.success(request, _('Snapshot "%(name)s" created for '
'instance "%(inst)s"') % vals)
return shortcuts.redirect('horizon:nova:images_and_snapshots:'
'index')
except:
redirect = reverse("horizon:nova:instances_and_volumes:index")
exceptions.handle(request,
_('Unable to create snapshot.'),
redirect=redirect)