horizon/openstack_dashboard/dashboards/project/floating_ips/forms.py

83 lines
3.3 KiB
Python

# Copyright 2012 United States Government as represented by the
# Administrator of the National Aeronautics and Space Administration.
# All Rights Reserved.
#
# Copyright 2012 Nebula, Inc.
# Copyright (c) 2012 X.commerce, a business unit of eBay 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.
from django.utils.translation import ugettext_lazy as _
from horizon import exceptions
from horizon import forms
from horizon import messages
from openstack_dashboard import api
from openstack_dashboard.usage import quotas
class FloatingIpAllocate(forms.SelfHandlingForm):
pool = forms.ThemableChoiceField(label=_("Pool"))
description = forms.CharField(max_length=255,
label=_("Description"),
required=False)
dns_domain = forms.CharField(max_length=255,
label=_("DNS Domain"),
required=False)
dns_name = forms.CharField(max_length=255,
label=_("DNS Name"),
required=False)
def __init__(self, request, *args, **kwargs):
super(FloatingIpAllocate, self).__init__(request, *args, **kwargs)
floating_pool_list = kwargs.get('initial', {}).get('pool_list', [])
self.fields['pool'].choices = floating_pool_list
dns_supported = api.neutron.is_extension_supported(
request,
"dns-integration")
if not dns_supported:
del self.fields["dns_name"]
del self.fields["dns_domain"]
def handle(self, request, data):
try:
# Prevent allocating more IP than the quota allows
usages = quotas.tenant_quota_usages(request,
targets=('floatingip', ))
if ('floatingip' in usages and
usages['floatingip']['available'] <= 0):
error_message = _('You are already using all of your available'
' floating IPs.')
self.api_error(error_message)
return False
param = {}
if data['description']:
param['description'] = data['description']
if 'dns_domain' in data and data['dns_domain']:
param['dns_domain'] = data['dns_domain']
if 'dns_name' in data and data['dns_name']:
param['dns_name'] = data['dns_name']
fip = api.neutron.tenant_floating_ip_allocate(
request,
pool=data['pool'],
**param)
messages.success(request,
_('Allocated Floating IP %(ip)s.')
% {"ip": fip.ip})
return fip
except Exception:
exceptions.handle(request, _('Unable to allocate Floating IP.'))