Support listing specified server's ports

Add new option "--server" for "port list" command to
list all of the ports that are attached on the specified
server.

Change-Id: I8b5550ea5068405b163711303465b704b5207410
Closes-Bug: #1614385

2 files changed, 38 insertions, 5 deletions

diff --git a/openstackclient/network/v2/port.py b/openstackclient/network/v2/port.py
index 05c5a012..d7268573 100644
--- a/openstackclient/network/v2/port.py
+++ b/openstackclient/network/v2/port.py
@@ -345,16 +345,23 @@ class ListPort(command.Lister):
                    "This is the entity that uses the port (for example, "
                    "network:dhcp).")
         )
-        parser.add_argument(
+        device_group = parser.add_mutually_exclusive_group()
+        device_group.add_argument(
             '--router',
             metavar='<router>',
             dest='router',
             help=_("List only ports attached to this router (name or ID)")
         )
+        device_group.add_argument(
+            '--server',
+            metavar='<server>',
+            help=_("List only ports attached to this server (name or ID)"),
+        )
         return parser
 
     def take_action(self, parsed_args):
-        client = self.app.client_manager.network
+        network_client = self.app.client_manager.network
+        compute_client = self.app.client_manager.compute
 
         columns = (
             'id',
@@ -373,11 +380,15 @@ class ListPort(command.Lister):
         if parsed_args.device_owner is not None:
             filters['device_owner'] = parsed_args.device_owner
         if parsed_args.router:
-            _router = client.find_router(parsed_args.router,
-                                         ignore_missing=False)
+            _router = network_client.find_router(parsed_args.router,
+                                                 ignore_missing=False)
             filters['device_id'] = _router.id
+        if parsed_args.server:
+            server = utils.find_resource(compute_client.servers,
+                                         parsed_args.server)
+            filters['device_id'] = server.id
 
-        data = client.ports(**filters)
+        data = network_client.ports(**filters)
 
         return (column_headers,
                 (utils.get_item_properties(
diff --git a/openstackclient/tests/unit/network/v2/test_port.py b/openstackclient/tests/unit/network/v2/test_port.py
index d5d7f330..43a78f8c 100644
--- a/openstackclient/tests/unit/network/v2/test_port.py
+++ b/openstackclient/tests/unit/network/v2/test_port.py
@@ -19,6 +19,7 @@ from osc_lib import exceptions
 from osc_lib import utils
 
 from openstackclient.network.v2 import port
+from openstackclient.tests.unit.compute.v2 import fakes as compute_fakes
 from openstackclient.tests.unit.network.v2 import fakes as network_fakes
 from openstackclient.tests.unit import utils as tests_utils
 
@@ -337,6 +338,7 @@ class TestListPort(TestPort):
             'id': 'fake-router-id',
         })
         self.network.find_router = mock.Mock(return_value=fake_router)
+        self.app.client_manager.compute = mock.Mock()
 
     def test_port_list_no_options(self):
         arglist = []
@@ -369,6 +371,26 @@ class TestListPort(TestPort):
         self.assertEqual(self.columns, columns)
         self.assertEqual(self.data, list(data))
 
+    @mock.patch.object(utils, 'find_resource')
+    def test_port_list_with_server_option(self, mock_find):
+        fake_server = compute_fakes.FakeServer.create_one_server()
+        mock_find.return_value = fake_server
+
+        arglist = [
+            '--server', 'fake-server-name',
+        ]
+        verifylist = [
+            ('server', 'fake-server-name'),
+        ]
+
+        parsed_args = self.check_parser(self.cmd, arglist, verifylist)
+        columns, data = self.cmd.take_action(parsed_args)
+        self.network.ports.assert_called_once_with(
+            device_id=fake_server.id)
+        mock_find.assert_called_once_with(mock.ANY, 'fake-server-name')
+        self.assertEqual(self.columns, columns)
+        self.assertEqual(self.data, list(data))
+
     def test_port_list_device_owner_opt(self):
         arglist = [
             '--device-owner', self._ports[0].device_owner,