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# 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.
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 tables
from horizon.utils import memoized
from openstack_dashboard import api
LOG = logging.getLogger(__name__)
class CheckNetworkEditable(object):
"""Mixin class to determine the specified network is editable."""
def allowed(self, request, datum=None):
# Only administrator is allowed to create and manage subnets
# on shared networks.
network = self.table._get_network()
if network.shared:
return False
return True
class DeleteSubnet(CheckNetworkEditable, tables.DeleteAction):
data_type_singular = _("Subnet")
data_type_plural = _("Subnets")
policy_rules = (("network", "delete_subnet"),)
def get_policy_target(self, request, datum=None):
project_id = None
if datum:
project_id = getattr(datum, 'tenant_id', None)
return {"network:project_id": project_id}
def delete(self, request, obj_id):
try:
api.neutron.subnet_delete(request, obj_id)
except Exception:
msg = _('Failed to delete subnet %s') % obj_id
LOG.info(msg)
network_id = self.table.kwargs['network_id']
redirect = reverse('horizon:project:networks:detail',
args=[network_id])
exceptions.handle(request, msg, redirect=redirect)
class CreateSubnet(CheckNetworkEditable, tables.LinkAction):
name = "create"
verbose_name = _("Create Subnet")
url = "horizon:project:networks:addsubnet"
classes = ("ajax-modal",)
icon = "plus"
policy_rules = (("network", "create_subnet"),)
def get_policy_target(self, request, datum=None):
project_id = None
network = self.table._get_network()
if network:
project_id = getattr(network, 'tenant_id', None)
return {"network:project_id": project_id}
def get_link_url(self, datum=None):
network_id = self.table.kwargs['network_id']
return reverse(self.url, args=(network_id,))
class UpdateSubnet(CheckNetworkEditable, tables.LinkAction):
name = "update"
verbose_name = _("Edit Subnet")
url = "horizon:project:networks:editsubnet"
classes = ("ajax-modal",)
icon = "pencil"
policy_rules = (("network", "update_subnet"),)
def get_policy_target(self, request, datum=None):
project_id = None
if datum:
project_id = getattr(datum, 'tenant_id', None)
return {"network:project_id": project_id}
def get_link_url(self, subnet):
network_id = self.table.kwargs['network_id']
return reverse(self.url, args=(network_id, subnet.id))
class SubnetsTable(tables.DataTable):
name = tables.Column("name", verbose_name=_("Name"),
link='horizon:project:networks:subnets:detail')
cidr = tables.Column("cidr", verbose_name=_("Network Address"))
ip_version = tables.Column("ipver_str", verbose_name=_("IP Version"))
gateway_ip = tables.Column("gateway_ip", verbose_name=_("Gateway IP"))
failure_url = reverse_lazy('horizon:project:networks:index')
@memoized.memoized_method
def _get_network(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.failure_url)
return network
class Meta:
name = "subnets"
verbose_name = _("Subnets")
table_actions = (CreateSubnet, DeleteSubnet)
row_actions = (UpdateSubnet, DeleteSubnet)
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