openstack port create support --extra-dhcp-option

neutron create-port API  has extra_dhcp_opts parameter, this parameter
can set port with special extra dhcp options.

Change-Id: I199f17e95c509a33f809ac85c65f685a37acd198

Author: zhouhenglc

openstackclient/network/v2/port.py

@@ -280,6 +280,19 @@ def _convert_address_pairs(parsed_args):
     return ops
 
 
+def _convert_extra_dhcp_options(parsed_args):
+    dhcp_options = []
+    for opt in parsed_args.extra_dhcp_options:
+        option = {}
+        option['opt_name'] = opt['name']
+        if 'value' in opt:
+            option['opt_value'] = opt['value']
+        if 'ip-version' in opt:
+            option['ip_version'] = opt['ip-version']
+        dhcp_options.append(option)
+    return dhcp_options
+
+
 class CreatePort(command.ShowOne):
     _description = _("Create a new port")
 
@@ -350,8 +363,18 @@ def get_parser(self, prog_name):
             metavar='<name>',
             help=_("Name of this port")
         )
-        # TODO(singhj): Add support for extended options:
-        # dhcp
+        parser.add_argument(
+            '--extra-dhcp-option',
+            metavar='name=<name>[,value=<value>,ip-version={4,6}]',
+            default=[],
+            action=parseractions.MultiKeyValueCommaAction,
+            dest='extra_dhcp_options',
+            required_keys=['name'],
+            optional_keys=['value', "ip-version"],
+            help=_('Extra DHCP options to be assigned to this port: '
+                   'name=<name>[,value=<value>,ip-version={4,6}] '
+                   '(repeat option to set multiple extra DHCP options)'))
+
         secgroups = parser.add_mutually_exclusive_group()
         secgroups.add_argument(
             '--security-group',
@@ -425,6 +448,9 @@ def take_action(self, parsed_args):
             attrs['allowed_address_pairs'] = (
                 _convert_address_pairs(parsed_args))
 
+        if parsed_args.extra_dhcp_options:
+            attrs["extra_dhcp_opts"] = _convert_extra_dhcp_options(parsed_args)
+
         if parsed_args.qos_policy:
             attrs['qos_policy_id'] = client.find_qos_policy(
                 parsed_args.qos_policy, ignore_missing=False).id

openstackclient/tests/unit/network/v2/test_port.py

@@ -611,6 +611,48 @@ def test_create_with_uplink_status_propagation_enabled(self):
     def test_create_with_uplink_status_propagation_disabled(self):
         self._test_create_with_uplink_status_propagation(enable=False)
 
+    def test_create_port_with_extra_dhcp_option(self):
+        extra_dhcp_options = [{'opt_name': 'classless-static-route',
+                               'opt_value': '169.254.169.254/32,22.2.0.2,'
+                                            '0.0.0.0/0,22.2.0.1',
+                               'ip_version': '4'},
+                              {'opt_name': 'dns-server',
+                               'opt_value': '240C::6666',
+                               'ip_version': '6'}]
+        arglist = [
+            '--network', self._port.network_id,
+            '--extra-dhcp-option', 'name=classless-static-route,'
+                                   'value=169.254.169.254/32,22.2.0.2,'
+                                   '0.0.0.0/0,22.2.0.1,'
+                                   'ip-version=4',
+            '--extra-dhcp-option', 'name=dns-server,value=240C::6666,'
+                                   'ip-version=6',
+            'test-port',
+        ]
+
+        verifylist = [
+            ('network', self._port.network_id,),
+            ('extra_dhcp_options', [{'name': 'classless-static-route',
+                                     'value': '169.254.169.254/32,22.2.0.2,'
+                                              '0.0.0.0/0,22.2.0.1',
+                                     'ip-version': '4'},
+                                    {'name': 'dns-server',
+                                     'value': '240C::6666',
+                                     'ip-version': '6'}]),
+            ('name', 'test-port'),
+        ]
+
+        parsed_args = self.check_parser(self.cmd, arglist, verifylist)
+
+        self.cmd.take_action(parsed_args)
+
+        self.network.create_port.assert_called_once_with(**{
+            'admin_state_up': True,
+            'network_id': self._port.network_id,
+            'extra_dhcp_opts': extra_dhcp_options,
+            'name': 'test-port',
+        })
+
 
 class TestDeletePort(TestPort):
 

releasenotes/notes/allow-port-create-with-extra-dhcp-options-c2c40e4002b52e2a.yaml

@@ -0,0 +1,6 @@
+---
+features:
+  - |
+    Add ``--extra-dhcp-options`` parameter to the ``port create`` command. The
+    neutronclient ``port-create`` command can accept extra DHCP options, add
+    it to the openstackclient in order to be consistent.