# 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"),
required=False)
admin_state_up = forms.ThemableChoiceField(label=_("Admin State"),
choices=[(True, _('UP')),
(False, _('DOWN'))],
required=False)
external_network = forms.ThemableChoiceField(label=_("External Network"),
required=False)
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']
networks = self._get_network_list(request)
if networks:
self.fields['external_network'].choices = networks
else:
del self.fields['external_network']
def _get_network_list(self, request):
search_opts = {'router:external': True}
try:
networks = api.neutron.network_list(request, **search_opts)
except Exception:
msg = _('Failed to get network list.')
LOG.info(msg)
messages.warning(request, msg)
networks = []
choices = [(network.id, network.name or network.id)
for network in networks]
if choices:
choices.insert(0, ("", _("Select network")))
return choices
[docs] def handle(self, request, data):
try:
params = {'name': data['name']}
if 'admin_state_up' in data and data['admin_state_up']:
params['admin_state_up'] = data['admin_state_up']
if 'external_network' in data and data['external_network']:
params['external_gateway_info'] = {'network_id':
data['external_network']}
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)
admin_state = forms.ThemableChoiceField(choices=[(True, _('UP')),
(False, _('DOWN'))],
label=_("Admin State"))
router_id = forms.CharField(label=_("ID"),
widget=forms.TextInput(
attrs={'readonly': 'readonly'}))
mode = forms.ThemableChoiceField(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
# TODO(amotoki): Due to Neutron Bug 1378525, Neutron disables
# PUT operation. It will be fixed in Kilo cycle.
# self.ha_allowed = api.neutron.get_feature_permission(
# self.request, "l3-ha", "update")
self.ha_allowed = False
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)