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# Copyright (c) 2017 Huawei Technologies India Pvt.Limited.
# All Rights Reserved.
#
# 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 parseractions
from osc_lib.command import command
from osc_lib import exceptions
from osc_lib import utils
from osc_lib.utils import columns as column_util
from neutronclient._i18n import _
LOG = logging.getLogger(__name__)
resource = 'port_pair_group'
_attr_map = (
('id', 'ID', column_util.LIST_BOTH),
('name', 'Name', column_util.LIST_BOTH),
('port_pairs', 'Port Pair', column_util.LIST_BOTH),
('port_pair_group_parameters', 'Port Pair Group Parameters',
column_util.LIST_BOTH),
('description', 'Description', column_util.LIST_LONG_ONLY),
('group_id', 'Loadbalance ID', column_util.LIST_LONG_ONLY),
('project_id', 'Project', column_util.LIST_LONG_ONLY),
('tap_enabled', 'Tap Enabled', column_util.LIST_BOTH)
)
class CreateSfcPortPairGroup(command.ShowOne):
_description = _("Create a port pair group")
def get_parser(self, prog_name):
parser = super(CreateSfcPortPairGroup, self).get_parser(prog_name)
parser.add_argument(
'name',
metavar='<name>',
help=_('Name of the port pair group'))
parser.add_argument(
'--description',
metavar='<description>',
help=_('Description for the port pair group'))
parser.add_argument(
'--port-pair',
metavar='<port-pair>',
dest='port_pairs',
default=[],
action='append',
help=_('Port pair (name or ID). '
'This option can be repeated.'))
tap_enable = parser.add_mutually_exclusive_group()
tap_enable.add_argument(
'--enable-tap',
action='store_true',
help=_('Port pairs of this port pair group are deployed as '
'passive tap service function')
)
tap_enable.add_argument(
'--disable-tap',
action='store_true',
help=_('Port pairs of this port pair group are deployed as l3 '
'service function (default)')
)
parser.add_argument(
'--port-pair-group-parameters',
metavar='lb-fields=<lb-fields>',
action=parseractions.KeyValueAction,
help=_('Dictionary of port pair group parameters. '
'Currently only one parameter lb-fields is supported. '
'<lb-fields> is a & separated list of load-balancing '
'fields.'))
return parser
def take_action(self, parsed_args):
client = self.app.client_manager.neutronclient
attrs = _get_common_attrs(self.app.client_manager, parsed_args)
body = {resource: attrs}
obj = client.create_sfc_port_pair_group(body)[resource]
columns, display_columns = column_util.get_columns(obj, _attr_map)
data = utils.get_dict_properties(obj, columns)
return display_columns, data
class DeleteSfcPortPairGroup(command.Command):
_description = _("Delete a given port pair group")
def get_parser(self, prog_name):
parser = super(DeleteSfcPortPairGroup, self).get_parser(prog_name)
parser.add_argument(
'port_pair_group',
metavar='<port-pair-group>',
help=_("Port pair group to delete (name or ID)")
)
return parser
def take_action(self, parsed_args):
# TODO(mohan): Add support for deleting multiple resources.
client = self.app.client_manager.neutronclient
ppg_id = _get_id(client, parsed_args.port_pair_group, resource)
try:
client.delete_sfc_port_pair_group(ppg_id)
except Exception as e:
msg = (_("Failed to delete port pair group with name "
"or ID '%(ppg)s': %(e)s")
% {'ppg': parsed_args.port_pair_group, 'e': e})
raise exceptions.CommandError(msg)
class ListSfcPortPairGroup(command.Lister):
_description = _("List port pair group")
def get_parser(self, prog_name):
parser = super(ListSfcPortPairGroup, self).get_parser(prog_name)
parser.add_argument(
'--long',
action='store_true',
default=False,
help=_("List additional fields in output")
)
return parser
def take_action(self, parsed_args):
client = self.app.client_manager.neutronclient
data = client.list_sfc_port_pair_groups()
headers, columns = column_util.get_column_definitions(
_attr_map, long_listing=parsed_args.long)
return (headers,
(utils.get_dict_properties(
s, columns,
) for s in data['port_pair_groups']))
class SetSfcPortPairGroup(command.Command):
_description = _("Set port pair group properties")
def get_parser(self, prog_name):
parser = super(SetSfcPortPairGroup, self).get_parser(prog_name)
parser.add_argument(
'port_pair_group',
metavar='<port-pair-group>',
help=_("Port pair group to modify (name or ID)"))
parser.add_argument(
'--name',
metavar='<name>',
help=_('Name of the port pair group'))
parser.add_argument(
'--description',
metavar='<description>',
help=_('Description for the port pair group'))
parser.add_argument(
'--port-pair',
metavar='<port-pair>',
dest='port_pairs',
default=[],
action='append',
help=_('Port pair (name or ID). '
'This option can be repeated.'))
parser.add_argument(
'--no-port-pair',
action='store_true',
help=_('Remove all port pair from port pair group'))
return parser
def take_action(self, parsed_args):
client = self.app.client_manager.neutronclient
ppg_id = _get_id(client, parsed_args.port_pair_group, resource)
attrs = _get_common_attrs(self.app.client_manager, parsed_args,
is_create=False)
if parsed_args.no_port_pair:
attrs['port_pairs'] = []
if parsed_args.port_pairs:
added = [client.find_resource('port_pair', pp,
cmd_resource='sfc_port_pair')['id']
for pp in parsed_args.port_pairs]
if parsed_args.no_port_pair:
existing = []
else:
existing = client.find_resource(
resource, parsed_args.port_pair_group,
cmd_resource='sfc_port_pair_group')['port_pairs']
attrs['port_pairs'] = sorted(list(set(existing) | set(added)))
body = {resource: attrs}
try:
client.update_sfc_port_pair_group(ppg_id, body)
except Exception as e:
msg = (_("Failed to update port pair group '%(ppg)s': %(e)s")
% {'ppg': parsed_args.port_pair_group, 'e': e})
raise exceptions.CommandError(msg)
class ShowSfcPortPairGroup(command.ShowOne):
_description = _("Display port pair group details")
def get_parser(self, prog_name):
parser = super(ShowSfcPortPairGroup, self).get_parser(prog_name)
parser.add_argument(
'port_pair_group',
metavar='<port-pair-group>',
help=_("Port pair group to display (name or ID)")
)
return parser
def take_action(self, parsed_args):
client = self.app.client_manager.neutronclient
ppg_id = _get_id(client, parsed_args.port_pair_group, resource)
obj = client.show_sfc_port_pair_group(ppg_id)[resource]
columns, display_columns = column_util.get_columns(obj, _attr_map)
data = utils.get_dict_properties(obj, columns)
return display_columns, data
class UnsetSfcPortPairGroup(command.Command):
_description = _("Unset port pairs from port pair group")
def get_parser(self, prog_name):
parser = super(UnsetSfcPortPairGroup, self).get_parser(prog_name)
parser.add_argument(
'port_pair_group',
metavar='<port-pair-group>',
help=_("Port pair group to unset (name or ID)"))
port_pair_group = parser.add_mutually_exclusive_group()
port_pair_group.add_argument(
'--port-pair',
action='append',
metavar='<port-pair>',
dest='port_pairs',
help=_('Remove port pair(s) from the port pair group '
'(name or ID). This option can be repeated.'))
port_pair_group.add_argument(
'--all-port-pair',
action='store_true',
help=_('Remove all port pairs from the port pair group'))
return parser
def take_action(self, parsed_args):
client = self.app.client_manager.neutronclient
ppg_id = _get_id(client, parsed_args.port_pair_group, resource)
attrs = {}
if parsed_args.port_pairs:
existing = client.find_resource(
resource, parsed_args.port_pair_group,
cmd_resource='sfc_port_pair_group')['port_pairs']
removed = [client.find_resource('port_pair', pp,
cmd_resource='sfc_port_pair')['id']
for pp in parsed_args.port_pairs]
attrs['port_pairs'] = list(set(existing) - set(removed))
if parsed_args.all_port_pair:
attrs['port_pairs'] = []
body = {resource: attrs}
try:
client.update_sfc_port_pair_group(ppg_id, body)
except Exception as e:
msg = (_("Failed to unset port pair group '%(ppg)s': %(e)s")
% {'ppg': parsed_args.port_pair_group, 'e': e})
raise exceptions.CommandError(msg)
def _get_ppg_param(attrs, ppg):
attrs['port_pair_group_parameters'] = {}
for key, value in ppg.items():
if key == 'lb-fields':
attrs['port_pair_group_parameters']['lb_fields'] = ([
field for field in value.split('&') if field])
else:
attrs['port_pair_group_parameters'][key] = value
return attrs['port_pair_group_parameters']
def _get_common_attrs(client_manager, parsed_args, is_create=True):
attrs = {}
if parsed_args.name is not None:
attrs['name'] = parsed_args.name
if parsed_args.description is not None:
attrs['description'] = parsed_args.description
if parsed_args.port_pairs:
attrs['port_pairs'] = [(_get_id(client_manager.neutronclient, pp,
'port_pair'))
for pp in parsed_args.port_pairs]
if is_create:
_get_attrs(attrs, parsed_args)
return attrs
def _get_attrs(attrs, parsed_args):
if parsed_args.port_pair_group_parameters is not None:
attrs['port_pair_group_parameters'] = (
_get_ppg_param(attrs, parsed_args.port_pair_group_parameters))
if parsed_args.enable_tap:
attrs['tap_enabled'] = True
if parsed_args.disable_tap:
attrs['tap_enabled'] = False
def _get_id(client, id_or_name, resource):
return client.find_resource(resource, id_or_name)['id']
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