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# All Rights Reserved 2018
#
# 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 osc_lib.cli import format_columns
from osc_lib.command import command
from osc_lib import exceptions
from osc_lib import utils as osc_utils
from osc_lib.utils import columns as column_util
from neutronclient._i18n import _
from neutronclient.common import utils
from neutronclient.osc import utils as nc_osc_utils
LOG = logging.getLogger(__name__)
INTERFACE_DELIMITER = ";"
SEGMENTATION_ID_DELIMITER = "#"
INTERFACE_SEG_ID_DELIMITER = "|"
L2_GATEWAY = 'l2_gateway'
L2_GATEWAYS = '%ss' % L2_GATEWAY
path = 'l2-gateways'
object_path = '/%s' % path
resource_path = '/%s/%%s' % path
_attr_map = (
('id', 'ID', column_util.LIST_BOTH),
('tenant_id', 'Tenant', column_util.LIST_LONG_ONLY),
('name', 'Name', column_util.LIST_BOTH),
('devices', 'Devices', column_util.LIST_BOTH),
)
_formatters = {
'devices': format_columns.ListDictColumn,
}
def _get_common_parser(parser):
"""Adds to parser arguments common to create and update commands.
:params ArgumentParser parser: argparse object contains all command's
arguments
"""
parser.add_argument(
'--device',
metavar='name=name,interface_names=INTERFACE-DETAILS',
action='append', dest='devices', type=utils.str2dict,
help=_('Device name and Interface-names of l2gateway. '
'INTERFACE-DETAILS is of form '
'\"<interface_name1>;[<interface_name2>]'
'[|<seg_id1>[#<seg_id2>]]\" '
'(--device option can be repeated)'))
def get_interface(interfaces):
interface_dict = []
for interface in interfaces:
if INTERFACE_SEG_ID_DELIMITER in interface:
int_name = interface.split(INTERFACE_SEG_ID_DELIMITER)[0]
segid = interface.split(INTERFACE_SEG_ID_DELIMITER)[1]
if SEGMENTATION_ID_DELIMITER in segid:
segid = segid.split(SEGMENTATION_ID_DELIMITER)
else:
segid = [segid]
interface_detail = {'name': int_name, 'segmentation_id': segid}
else:
interface_detail = {'name': interface}
interface_dict.append(interface_detail)
return interface_dict
def _args2body(parsed_args, update=False):
if parsed_args.devices:
devices = parsed_args.devices
interfaces = []
else:
devices = []
device_dict = []
for device in devices:
if 'interface_names' in device.keys():
interface = device['interface_names']
if INTERFACE_DELIMITER in interface:
interface_dict = interface.split(INTERFACE_DELIMITER)
interfaces = get_interface(interface_dict)
else:
interfaces = get_interface([interface])
if 'name' in device.keys():
device = {'device_name': device['name'],
'interfaces': interfaces}
else:
device = {'interfaces': interfaces}
device_dict.append(device)
if parsed_args.name:
l2gw_name = parsed_args.name
body = {L2_GATEWAY: {'name': l2gw_name,
'devices': device_dict}, }
else:
body = {L2_GATEWAY: {'devices': device_dict}, }
return body
class CreateL2gw(command.ShowOne):
_description = _("Create l2gateway resource")
def get_parser(self, prog_name):
parser = super(CreateL2gw, self).get_parser(prog_name)
nc_osc_utils.add_project_owner_option_to_parser(parser)
parser.add_argument(
'name', metavar='<GATEWAY-NAME>',
help=_('Descriptive name for logical gateway.'))
_get_common_parser(parser)
return parser
def take_action(self, parsed_args):
client = self.app.client_manager.neutronclient
attrs = {}
if parsed_args.name is not None:
attrs['name'] = str(parsed_args.name)
if parsed_args.devices is not None:
attrs['devices'] = str(parsed_args.devices)
if 'project' in parsed_args and parsed_args.project is not None:
project_id = nc_osc_utils.find_project(
self.app.client_manager.identity,
parsed_args.project,
parsed_args.project_domain,
).id
attrs['tenant_id'] = project_id
body = _args2body(parsed_args)
obj = client.post(object_path, body)[L2_GATEWAY]
columns, display_columns = column_util.get_columns(obj, _attr_map)
data = osc_utils.get_dict_properties(obj, columns,
formatters=_formatters)
return display_columns, data
class ListL2gw(command.Lister):
_description = _("List l2gateway that belongs to a given tenant")
def get_parser(self, prog_name):
parser = super(ListL2gw, self).get_parser(prog_name)
nc_osc_utils.add_project_owner_option_to_parser(parser)
return parser
def take_action(self, parsed_args):
client = self.app.client_manager.neutronclient
params = {}
if parsed_args.project is not None:
project_id = nc_osc_utils.find_project(
self.app.client_manager.identity,
parsed_args.project,
parsed_args.project_domain,
).id
params['tenant_id'] = project_id
objs = client.list(L2_GATEWAYS, object_path,
retrieve_all=True, params=params)[L2_GATEWAYS]
headers, columns = column_util.get_column_definitions(
_attr_map, long_listing=True)
return (headers, (osc_utils.get_dict_properties(
s, columns, formatters=_formatters) for s in objs))
class ShowL2gw(command.ShowOne):
_description = _("Show information of a given l2gateway")
def get_parser(self, prog_name):
parser = super(ShowL2gw, self).get_parser(prog_name)
parser.add_argument(
L2_GATEWAY,
metavar="<L2_GATEWAY>",
help=_("ID or name of l2_gateway to look up."),
)
return parser
def take_action(self, parsed_args):
client = self.app.client_manager.neutronclient
id = client.find_resource(L2_GATEWAY, parsed_args.l2_gateway)['id']
obj = client.get(resource_path % id)[L2_GATEWAY]
columns, display_columns = column_util.get_columns(obj, _attr_map)
data = osc_utils.get_dict_properties(obj, columns,
formatters=_formatters)
return display_columns, data
class DeleteL2gw(command.Command):
_description = _("Delete a given l2gateway")
def get_parser(self, prog_name):
parser = super(DeleteL2gw, self).get_parser(prog_name)
parser.add_argument(
L2_GATEWAYS,
metavar="<L2_GATEWAY>",
nargs="+",
help=_("ID(s) or name(s) of l2_gateway to delete."),
)
return parser
def take_action(self, parsed_args):
client = self.app.client_manager.neutronclient
fails = 0
for id_or_name in parsed_args.l2_gateways:
try:
id = client.find_resource(L2_GATEWAY, id_or_name)['id']
client.delete(resource_path % id)
LOG.warning("L2 Gateaway %(id)s deleted", {'id': id})
except Exception as e:
fails += 1
LOG.error("Failed to delete L2 Gateway with name or ID "
"'%(id_or_name)s': %(e)s",
{'id_or_name': id_or_name, 'e': e})
if fails > 0:
msg = (_("Failed to delete %(fails)s of %(total)s L2 Gateway.") %
{'fails': fails, 'total': len(parsed_args.l2_gateways)})
raise exceptions.CommandError(msg)
class UpdateL2gw(command.ShowOne):
_description = _("Update a given l2gateway")
def get_parser(self, prog_name):
parser = super(UpdateL2gw, self).get_parser(prog_name)
parser.add_argument(
L2_GATEWAY,
metavar="<L2_GATEWAY>",
help=_("ID or name of l2_gateway to update."),
)
parser.add_argument('--name', metavar='name',
help=_('Descriptive name for logical gateway.'))
_get_common_parser(parser)
return parser
def take_action(self, parsed_args):
client = self.app.client_manager.neutronclient
id = client.find_resource(L2_GATEWAY, parsed_args.l2_gateway)['id']
if parsed_args.devices:
body = _args2body(parsed_args)
else:
body = {L2_GATEWAY: {'name': parsed_args.name}}
obj = client.put(resource_path % id, body)[L2_GATEWAY]
columns, display_columns = column_util.get_columns(obj, _attr_map)
data = osc_utils.get_dict_properties(obj, columns,
formatters=_formatters)
return display_columns, data
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