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+# Copyright (c) 2015 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.
+
+from neutronclient.common import extension
+from neutronclient.common import utils
+from neutronclient.i18n import _
+from neutronclient.neutron import v2_0 as neutronv20
+
+from networking_sfc.cli import flow_classifier as fc
+from networking_sfc.cli import port_pair_group as ppg
+
+PORT_CHAIN_RESOURCE = 'port_chain'
+
+
+class PortChain(extension.NeutronClientExtension):
+ resource = PORT_CHAIN_RESOURCE
+ resource_plural = '%ss' % resource
+ object_path = '/sfc/%s' % resource_plural
+ resource_path = '/sfc/%s/%%s' % resource_plural
+ versions = ['2.0']
+
+
+class PortChainCreate(extension.ClientExtensionCreate, PortChain):
+ """Create a Port Chain."""
+
+ shell_command = 'port-chain-create'
+
+ def add_known_arguments(self, parser):
+ parser.add_argument(
+ 'name',
+ metavar='NAME',
+ help=_('Name of the Port Chain.'))
+ parser.add_argument(
+ '--description',
+ help=_('Description for the Port Chain.'))
+ parser.add_argument(
+ '--port-pair-group',
+ metavar='PORT-PAIR-GROUP',
+ dest='port_pair_groups',
+ default=[], required=True,
+ action='append',
+ help=_('ID or name of the Port Pair Group. '
+ 'This option can be repeated.'))
+ parser.add_argument(
+ '--flow-classifier',
+ default=[],
+ metavar='FLOW-CLASSIFIER',
+ dest='flow_classifiers',
+ action='append',
+ help=_('ID or name of the Flow Classifier.'
+ 'This option can be repeated.'))
+ parser.add_argument(
+ '--chain-parameters',
+ metavar='type=TYPE[,correlation=CORRELATION_TYPE]',
+ type=utils.str2dict,
+ help=_('Dictionary of chain parameters. Currently, only '
+ 'correlation=mpls is supported by default.'))
+
+ def args2body(self, parsed_args):
+ body = {}
+ client = self.get_client()
+ if parsed_args.port_pair_groups:
+ body['port_pair_groups'] = [ppg.get_port_pair_group_id(client, p)
+ for p in parsed_args.port_pair_groups]
+ if parsed_args.flow_classifiers:
+ body['flow_classifiers'] = [fc.get_flowclassifier_id(client, f)
+ for f in parsed_args.flow_classifiers]
+ neutronv20.update_dict(parsed_args, body, ['name', 'description',
+ 'chain_parameters'])
+ return {self.resource: body}
+
+
+class PortChainUpdate(extension.ClientExtensionUpdate, PortChain):
+ """Update Port Chain's information."""
+
+ shell_command = 'port-chain-update'
+
+ def add_known_arguments(self, parser):
+ parser.add_argument(
+ '--name',
+ metavar='NAME',
+ help=_('Name of the Port Chain.'))
+ parser.add_argument(
+ '--description',
+ help=_('Description for the Port Chain.'))
+ fw_args = parser.add_mutually_exclusive_group()
+ fw_args.add_argument(
+ '--flow-classifier',
+ metavar='FLOW-CLASSIFIER',
+ dest='flow_classifiers',
+ action='append',
+ help=_('ID or name of the Flow Classifier. '
+ 'This option can be repeated.'))
+ fw_args.add_argument(
+ '--no-flow-classifier',
+ action='store_true',
+ help=_('Associate no Flow Classifier with the Port Chain.'))
+
+ def args2body(self, parsed_args):
+ body = {}
+ if parsed_args.flow_classifiers:
+ client = self.get_client()
+ body['flow_classifiers'] = [fc.get_flowclassifier_id(client, f)
+ for f in parsed_args.flow_classifiers]
+ elif parsed_args.no_flow_classifier:
+ body['flow_classifiers'] = []
+ neutronv20.update_dict(parsed_args, body, ['name', 'description'])
+ return {self.resource: body}
+
+
+class PortChainDelete(extension.ClientExtensionDelete, PortChain):
+ """Delete a given Port Chain."""
+
+ shell_command = 'port-chain-delete'
+
+
+class PortChainList(extension.ClientExtensionList, PortChain):
+ """List Port Chains that belong to a given tenant."""
+
+ shell_command = 'port-chain-list'
+ list_columns = ['id', 'name', 'port_pair_groups', 'flow_classifiers']
+ pagination_support = True
+ sorting_support = True
+
+
+class PortChainShow(extension.ClientExtensionShow, PortChain):
+ """Show information of a given Port Chain."""
+
+ shell_command = 'port-chain-show'