Source code for openstack_dashboard.dashboards.admin.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.
from collections import OrderedDict
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.utils import memoized
from openstack_dashboard import api
from openstack_dashboard.dashboards.project.networks import views as user_views
from openstack_dashboard.utils import filters
from openstack_dashboard.dashboards.admin.networks.agents \
import tables as agents_tables
from openstack_dashboard.dashboards.admin.networks \
import forms as project_forms
from openstack_dashboard.dashboards.admin.networks.ports \
import tables as ports_tables
from openstack_dashboard.dashboards.admin.networks.subnets \
import tables as subnets_tables
from openstack_dashboard.dashboards.admin.networks \
import tables as networks_tables
[docs]class IndexView(tables.DataTableView):
table_class = networks_tables.NetworksTable
template_name = 'admin/networks/index.html'
page_title = _("Networks")
@memoized.memoized_method
def _get_tenant_list(self):
try:
tenants, has_more = api.keystone.tenant_list(self.request)
except Exception:
tenants = []
msg = _("Unable to retrieve information about the "
"networks' projects.")
exceptions.handle(self.request, msg)
tenant_dict = OrderedDict([(t.id, t) for t in tenants])
return tenant_dict
def _get_agents_data(self, network):
agents = []
data = _("Unknown")
try:
if api.neutron.is_extension_supported(self.request,
'dhcp_agent_scheduler'):
# This method is called for each network. If agent-list cannot
# be retrieved, we will see many pop-ups. So the error message
# will be popup-ed in get_data() below.
agents = api.neutron.list_dhcp_agent_hosting_networks(
self.request, network)
data = len(agents)
except Exception:
msg = _('Unable to list dhcp agents hosting network.')
exceptions.handle(self.request, msg)
return data
[docs] def get_data(self):
try:
networks = api.neutron.network_list(self.request)
except Exception:
networks = []
msg = _('Network list can not be retrieved.')
exceptions.handle(self.request, msg)
if networks:
self.exception = False
tenant_dict = self._get_tenant_list()
for n in networks:
# Set tenant name
tenant = tenant_dict.get(n.tenant_id, None)
n.tenant_name = getattr(tenant, 'name', None)
n.num_agents = self._get_agents_data(n.id)
return networks
[docs]class CreateView(forms.ModalFormView):
form_class = project_forms.CreateNetwork
template_name = 'admin/networks/create.html'
success_url = reverse_lazy('horizon:admin:networks:index')
page_title = _("Create Network")
[docs]class DetailView(tables.MultiTableView):
table_classes = (subnets_tables.SubnetsTable,
ports_tables.PortsTable,
agents_tables.DHCPAgentsTable)
template_name = 'project/networks/detail.html'
page_title = '{{ network.name | default:network.id }}'
[docs] def get_subnets_data(self):
try:
network_id = self.kwargs['network_id']
subnets = api.neutron.subnet_list(self.request,
network_id=network_id)
except Exception:
subnets = []
msg = _('Subnet list can not be retrieved.')
exceptions.handle(self.request, msg)
return subnets
[docs] def get_ports_data(self):
try:
network_id = self.kwargs['network_id']
ports = api.neutron.port_list(self.request, network_id=network_id)
except Exception:
ports = []
msg = _('Port list can not be retrieved.')
exceptions.handle(self.request, msg)
return ports
[docs] def get_agents_data(self):
agents = []
try:
network_id = self.kwargs['network_id']
agents = api.neutron.list_dhcp_agent_hosting_networks(self.request,
network_id)
except Exception:
msg = _('Unable to list dhcp agents hosting network.')
exceptions.handle(self.request, msg)
return agents
@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:
exceptions.handle(self.request,
_('Unable to retrieve details for '
'network "%s".') % network_id,
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()
# Needs to exclude agents table if dhcp-agent-scheduler extension
# is not supported.
try:
dhcp_agent_support = api.neutron.is_extension_supported(
self.request, 'dhcp_agent_scheduler')
context['dhcp_agent_support'] = dhcp_agent_support
except Exception:
context['dhcp_agent_support'] = False
table = networks_tables.NetworksTable(self.request)
context["network"] = network
context["url"] = self.get_redirect_url()
context["actions"] = table.render_row_actions(network)
choices = networks_tables.project_tables.STATUS_DISPLAY_CHOICES
network.status_label = (
filters.get_display_label(choices, network.status))
choices = networks_tables.DISPLAY_CHOICES
network.admin_state_label = (
filters.get_display_label(choices, network.admin_state))
return context
@staticmethod
[docs] def get_redirect_url():
return reverse_lazy('horizon:admin:networks:index')
[docs]class UpdateView(user_views.UpdateView):
form_class = project_forms.UpdateNetwork
template_name = 'admin/networks/update.html'
success_url = reverse_lazy('horizon:admin:networks:index')
submit_url = "horizon:admin:networks:update"
[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'],
'external': network['router__external']}