manila-ui/manila_ui/dashboards/project/shares/replicas/forms.py

74 lines
2.9 KiB
Python

# Copyright (c) 2015 Mirantis, Inc.
# All rights reserved.
#
# 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.urls import reverse
from django.utils.translation import ugettext_lazy as _
from horizon import exceptions
from horizon import forms
from horizon import messages
from manila_ui.api import manila
class CreateReplicaForm(forms.SelfHandlingForm):
availability_zone = forms.ChoiceField(
label=_("Availability Zone"),
required=False)
def __init__(self, request, *args, **kwargs):
super(CreateReplicaForm, self).__init__(request, *args, **kwargs)
# populate share_id
share_id = kwargs.get('initial', {}).get('share_id', [])
self.fields['share_id'] = forms.CharField(widget=forms.HiddenInput(),
initial=share_id)
availability_zones = manila.availability_zone_list(request)
self.fields['availability_zone'].choices = (
[(az.name, az.name) for az in availability_zones])
def handle(self, request, data):
try:
replica = manila.share_replica_create(request,
data['share_id'],
data['availability_zone'])
message = _('Creating replica for share "%s".') % data['share_id']
messages.success(request, message)
return replica
except Exception:
redirect = reverse("horizon:project:shares:manage_replicas",
args=[data['share_id']])
exceptions.handle(request,
_('Unable to create share replica.'),
redirect=redirect)
class SetReplicaAsActiveForm(forms.SelfHandlingForm):
def handle(self, request, data):
replica_id = self.initial['replica_id']
try:
replica = manila.share_replica_get(self.request, replica_id)
manila.share_replica_promote(request, replica)
message = _('Setting replica "%s" as active...') % replica_id
messages.success(request, message)
return True
except Exception:
redirect = reverse("horizon:project:shares:index")
exceptions.handle(
request,
_("Unable to set replica '%s' as active.") % replica_id,
redirect=redirect)