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# vim: tabstop=4 shiftwidth=4 softtabstop=4
# Copyright 2012, Nachi Ueno, NTT MCL, 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.
"""
Views for managing Neutron Routers.
"""
import logging
from django.core.urlresolvers import reverse_lazy
from django.utils.datastructures import SortedDict
from django.utils.translation import ugettext_lazy as _
from horizon import exceptions
from horizon import forms
from horizon import tables
from openstack_dashboard import api
from openstack_dashboard.dashboards.project.routers.forms import CreateForm
from openstack_dashboard.dashboards.project.routers.ports.tables \
import PortsTable
from openstack_dashboard.dashboards.project.routers.tables import RoutersTable
LOG = logging.getLogger(__name__)
class IndexView(tables.DataTableView):
table_class = RoutersTable
template_name = 'project/routers/index.html'
def _get_routers(self, search_opts=None):
try:
tenant_id = self.request.user.tenant_id
routers = api.neutron.router_list(self.request,
tenant_id=tenant_id,
search_opts=search_opts)
except:
routers = []
exceptions.handle(self.request,
_('Unable to retrieve router list.'))
ext_net_dict = self._list_external_networks()
for r in routers:
r.set_id_as_name_if_empty()
self._set_external_network(r, ext_net_dict)
return routers
def get_data(self):
routers = self._get_routers()
return routers
def _list_external_networks(self):
try:
search_opts = {'router:external': True}
ext_nets = api.neutron.network_list(self.request,
**search_opts)
for ext_net in ext_nets:
ext_net.set_id_as_name_if_empty()
ext_net_dict = SortedDict((n['id'], n.name) for n in ext_nets)
except Exception as e:
msg = _('Unable to retrieve a list of external networks "%s".') % e
exceptions.handle(self.request, msg)
ext_net_dict = {}
return ext_net_dict
def _set_external_network(self, router, ext_net_dict):
gateway_info = router.external_gateway_info
if gateway_info:
ext_net_id = gateway_info['network_id']
if ext_net_id in ext_net_dict:
gateway_info['network'] = ext_net_dict[ext_net_id]
else:
msg = _('External network "%s" not found.') % (ext_net_id)
exceptions.handle(self.request, msg)
class DetailView(tables.MultiTableView):
table_classes = (PortsTable, )
template_name = 'project/routers/detail.html'
failure_url = reverse_lazy('horizon:project:routers:index')
def _get_data(self):
if not hasattr(self, "_router"):
try:
router_id = self.kwargs['router_id']
router = api.neutron.router_get(self.request, router_id)
router.set_id_as_name_if_empty(length=0)
except:
msg = _('Unable to retrieve details for router "%s".') \
% (router_id)
exceptions.handle(self.request, msg, redirect=self.failure_url)
if router.external_gateway_info:
ext_net_id = router.external_gateway_info['network_id']
try:
ext_net = api.neutron.network_get(self.request, ext_net_id,
expand_subnet=False)
ext_net.set_id_as_name_if_empty(length=0)
router.external_gateway_info['network'] = ext_net.name
except Exception:
msg = _('Unable to retrieve an external network "%s".') \
% (ext_net_id)
exceptions.handle(self.request, msg)
router.external_gateway_info['network'] = ext_net_id
self._router = router
return self._router
def get_context_data(self, **kwargs):
context = super(DetailView, self).get_context_data(**kwargs)
context["router"] = self._get_data()
return context
def get_interfaces_data(self):
try:
device_id = self.kwargs['router_id']
ports = api.neutron.port_list(self.request,
device_id=device_id)
except:
ports = []
msg = _('Port list can not be retrieved.')
exceptions.handle(self.request, msg)
for p in ports:
p.set_id_as_name_if_empty()
return ports
class CreateView(forms.ModalFormView):
form_class = CreateForm
template_name = 'project/routers/create.html'
success_url = reverse_lazy("horizon:project:routers:index")
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