Source code for openstack_dashboard.dashboards.project.networks.views
# Copyright 2012 NEC Corporation
#
# 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 Networks.
"""
from django.conf import settings
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 tables
from horizon import tabs
from horizon.utils import memoized
from horizon import workflows
from openstack_dashboard import api
from openstack_dashboard.utils import filters
from openstack_dashboard.dashboards.project.networks \
import forms as project_forms
from openstack_dashboard.dashboards.project.networks \
import tables as project_tables
from openstack_dashboard.dashboards.project.networks import tabs \
as network_tabs
from openstack_dashboard.dashboards.project.networks \
import workflows as project_workflows
[docs]class IndexView(tables.DataTableView):
table_class = project_tables.NetworksTable
template_name = 'project/networks/index.html'
page_title = _("Networks")
FILTERS_MAPPING = {'shared': {_("yes"): True, _("no"): False},
'router:external': {_("yes"): True, _("no"): False},
'admin_state_up': {_("up"): True, _("down"): False}}
[docs] def get_data(self):
try:
tenant_id = self.request.user.tenant_id
search_opts = self.get_filters(filters_map=self.FILTERS_MAPPING)
networks = api.neutron.network_list_for_tenant(
self.request, tenant_id, include_external=True, **search_opts)
except Exception:
networks = []
msg = _('Network list can not be retrieved.')
exceptions.handle(self.request, msg)
return networks
[docs]class DefaultSubnetWorkflowMixin(object):
[docs] def get_default_dns_servers(self):
# this returns the default dns servers to be used for new subnets
dns_default = "\n".join(getattr(settings, 'OPENSTACK_NEUTRON_NETWORK',
{}).get('default_dns_nameservers', ''))
return dns_default
[docs]class CreateView(DefaultSubnetWorkflowMixin, workflows.WorkflowView):
workflow_class = project_workflows.CreateNetwork
[docs] def get_initial(self):
results = super(CreateView, self).get_initial()
results['dns_nameservers'] = self.get_default_dns_servers()
return results
[docs]class UpdateView(forms.ModalFormView):
context_object_name = 'network'
form_class = project_forms.UpdateNetwork
form_id = "update_network_form"
modal_header = _("Edit Network")
submit_label = _("Save Changes")
submit_url = "horizon:project:networks:update"
success_url = reverse_lazy("horizon:project:networks:index")
template_name = 'project/networks/update.html'
page_title = _("Update Network")
[docs] def get_context_data(self, **kwargs):
context = super(UpdateView, self).get_context_data(**kwargs)
args = (self.kwargs['network_id'],)
context["network_id"] = self.kwargs['network_id']
context["submit_url"] = reverse(self.submit_url, args=args)
return context
@memoized.memoized_method
def _get_object(self, *args, **kwargs):
network_id = self.kwargs['network_id']
try:
# no subnet values are read or editable in this view, so
# save the subnet expansion overhead
return api.neutron.network_get(self.request, network_id,
expand_subnet=False)
except Exception:
redirect = self.success_url
msg = _('Unable to retrieve network details.')
exceptions.handle(self.request, msg, redirect=redirect)
[docs] def get_initial(self):
network = self._get_object()
return {'network_id': network['id'],
'tenant_id': network['tenant_id'],
'name': network['name'],
'admin_state': network['admin_state_up'],
'shared': network['shared']}
[docs]class DetailView(tabs.TabbedTableView):
tab_group_class = network_tabs.NetworkDetailsTabs
template_name = 'horizon/common/_detail.html'
page_title = '{{ network.name | default:network.id }}'
@staticmethod
[docs] def get_redirect_url():
return reverse('horizon:project:networks:index')
@memoized.memoized_method
def _get_data(self):
try:
network_id = self.kwargs['network_id']
network = api.neutron.network_get(self.request, network_id)
network.set_id_as_name_if_empty(length=0)
except Exception:
msg = _('Unable to retrieve details for network "%s".') \
% (network_id)
exceptions.handle(self.request, msg,
redirect=self.get_redirect_url())
return network
[docs] def get_context_data(self, **kwargs):
context = super(DetailView, self).get_context_data(**kwargs)
network = self._get_data()
context["network"] = network
table = project_tables.NetworksTable(self.request)
context["url"] = self.get_redirect_url()
context["actions"] = table.render_row_actions(network)
choices = project_tables.STATUS_DISPLAY_CHOICES
network.status_label = (
filters.get_display_label(choices, network.status))
choices = project_tables.DISPLAY_CHOICES
network.admin_state_label = (
filters.get_display_label(choices, network.admin_state))
return context