Source code for openstack_dashboard.dashboards.project.routers.extensions.routerrules.forms
# Copyright 2013, Big Switch Networks
#
# 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.core.exceptions import ValidationError # noqa
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.dashboards.project.routers.extensions.routerrules\
import rulemanager
LOG = logging.getLogger(__name__)
[docs]class RuleCIDRField(forms.IPField):
"""Extends IPField to allow ('any','external') keywords and requires CIDR
"""
def __init__(self, *args, **kwargs):
kwargs['mask'] = True
super(RuleCIDRField, self).__init__(*args, **kwargs)
[docs] def validate(self, value):
keywords = ['any', 'external']
if value in keywords:
self.ip = value
else:
if '/' not in value:
raise ValidationError(_("Input must be in CIDR format"))
super(RuleCIDRField, self).validate(value)
[docs]class AddRouterRule(forms.SelfHandlingForm):
source = RuleCIDRField(label=_("Source CIDR"),
widget=forms.TextInput())
destination = RuleCIDRField(label=_("Destination CIDR"),
widget=forms.TextInput())
action = forms.ChoiceField(label=_("Action"))
nexthops = forms.MultiIPField(label=_("Optional: Next Hop "
"Addresses (comma delimited)"),
widget=forms.TextInput(), required=False)
router_id = forms.CharField(label=_("Router ID"),
widget=forms.TextInput(attrs={'readonly':
'readonly'}))
failure_url = 'horizon:project:routers:detail'
def __init__(self, request, *args, **kwargs):
super(AddRouterRule, self).__init__(request, *args, **kwargs)
self.fields['action'].choices = [('permit', _('Permit')),
('deny', _('Deny'))]
[docs] def handle(self, request, data, **kwargs):
try:
if 'rule_to_delete' in request.POST:
rulemanager.remove_rules(request,
[request.POST['rule_to_delete']],
router_id=data['router_id'])
except Exception:
exceptions.handle(request, _('Unable to delete router rule.'))
try:
if 'nexthops' not in data:
data['nexthops'] = ''
if data['source'] == '0.0.0.0/0':
data['source'] = 'any'
if data['destination'] == '0.0.0.0/0':
data['destination'] = 'any'
rule = {'action': data['action'],
'source': data['source'],
'destination': data['destination'],
'nexthops': data['nexthops'].split(',')}
rulemanager.add_rule(request,
router_id=data['router_id'],
newrule=rule)
msg = _('Router rule added')
LOG.debug(msg)
messages.success(request, msg)
return True
except Exception as e:
msg = _('Failed to add router rule %s') % e
LOG.info(msg)
messages.error(request, msg)
redirect = reverse(self.failure_url, args=[data['router_id']])
exceptions.handle(request, msg, redirect=redirect)