# Copyright 2012, Nachi Ueno, NTT MCL, 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.
"""
Views for managing Neutron Routers.
"""
import logging
from django.core.urlresolvers import reverse
from django.core.urlresolvers import reverse_lazy
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
LOG = logging.getLogger(__name__)
[docs]class CreateForm(forms.SelfHandlingForm):
name = forms.CharField(max_length=255, label=_("Router Name"))
mode = forms.ChoiceField(label=_("Router Type"))
ha = forms.ChoiceField(label=_("High Availability Mode"))
failure_url = 'horizon:project:routers:index'
def __init__(self, request, *args, **kwargs):
super(CreateForm, self).__init__(request, *args, **kwargs)
self.dvr_allowed = api.neutron.get_feature_permission(self.request,
"dvr", "create")
if self.dvr_allowed:
mode_choices = [('server_default', _('Use Server Default')),
('centralized', _('Centralized')),
('distributed', _('Distributed'))]
self.fields['mode'].choices = mode_choices
else:
del self.fields['mode']
self.ha_allowed = api.neutron.get_feature_permission(self.request,
"l3-ha", "create")
if self.ha_allowed:
ha_choices = [('server_default', _('Use Server Default')),
('enabled', _('Enable HA mode')),
('disabled', _('Disable HA mode'))]
self.fields['ha'].choices = ha_choices
else:
del self.fields['ha']
[docs] def handle(self, request, data):
try:
params = {'name': data['name']}
if (self.dvr_allowed and data['mode'] != 'server_default'):
params['distributed'] = (data['mode'] == 'distributed')
if (self.ha_allowed and data['ha'] != 'server_default'):
params['ha'] = (data['ha'] == 'enabled')
router = api.neutron.router_create(request, **params)
message = _('Router %s was successfully created.') % data['name']
messages.success(request, message)
return router
except Exception as exc:
if exc.status_code == 409:
msg = _('Quota exceeded for resource router.')
else:
msg = _('Failed to create router "%s".') % data['name']
LOG.info(msg)
redirect = reverse(self.failure_url)
exceptions.handle(request, msg, redirect=redirect)
return False
[docs]class UpdateForm(forms.SelfHandlingForm):
name = forms.CharField(label=_("Name"), required=False)
# TODO(amotoki): make UP/DOWN translatable
admin_state = forms.ChoiceField(choices=[(True, 'UP'), (False, 'DOWN')],
label=_("Admin State"))
router_id = forms.CharField(label=_("ID"),
widget=forms.HiddenInput())
mode = forms.ChoiceField(label=_("Router Type"))
ha = forms.BooleanField(label=_("High Availability Mode"), required=False)
redirect_url = reverse_lazy('horizon:project:routers:index')
def __init__(self, request, *args, **kwargs):
super(UpdateForm, self).__init__(request, *args, **kwargs)
self.dvr_allowed = api.neutron.get_feature_permission(self.request,
"dvr", "update")
if not self.dvr_allowed:
del self.fields['mode']
elif kwargs.get('initial', {}).get('mode') == 'distributed':
# Neutron supports only changing from centralized to
# distributed now.
mode_choices = [('distributed', _('Distributed'))]
self.fields['mode'].widget = forms.TextInput(attrs={'readonly':
'readonly'})
self.fields['mode'].choices = mode_choices
else:
mode_choices = [('centralized', _('Centralized')),
('distributed', _('Distributed'))]
self.fields['mode'].choices = mode_choices
self.ha_allowed = api.neutron.get_feature_permission(self.request,
"l3-ha", "update")
if not self.ha_allowed:
del self.fields['ha']
[docs] def handle(self, request, data):
try:
params = {'admin_state_up': (data['admin_state'] == 'True'),
'name': data['name']}
if self.dvr_allowed:
params['distributed'] = (data['mode'] == 'distributed')
if self.ha_allowed:
params['ha'] = data['ha']
router = api.neutron.router_update(request, data['router_id'],
**params)
msg = _('Router %s was successfully updated.') % data['name']
LOG.debug(msg)
messages.success(request, msg)
return router
except Exception:
msg = _('Failed to update router %s') % data['name']
LOG.info(msg)
exceptions.handle(request, msg, redirect=self.redirect_url)