Enable to add/remove port to/from a server

This change enables to add/remove a specific port to/from a server using
the new commands:

 openstack server add port <vm> <port>
 openstack server remove port <vm> <port>

Closes-Bug: #1678137
Change-Id: I6ee57df089235ccc1fb9d38316bd484956b1134d

doc/source/command-objects/server.rst

@@ -49,6 +49,26 @@ Add floating IP address to server
 
     Floating IP address (IP address only) to assign to server
 
+server add port
+---------------
+
+Add port to server
+
+.. program:: server add port
+.. code:: bash
+
+    openstack server add port
+        <server>
+        <port>
+
+.. describe:: <server>
+
+    Server to add the port to (name or ID)
+
+.. describe:: <port>
+
+    Port to add to the server (name or ID)
+
 server add security group
 -------------------------
 
@@ -523,6 +543,26 @@ Remove floating IP address from server
 
     Floating IP address (IP address only) to remove from server
 
+server remove port
+------------------
+
+Remove port from server
+
+.. program:: server remove port
+.. code:: bash
+
+    openstack server remove port
+        <server>
+        <port>
+
+.. describe:: <server>
+
+    Server to remove the port from (name or ID)
+
+.. describe:: <port>
+
+    Port to remove from the server (name or ID)
+
 server remove security group
 ----------------------------
 

openstackclient/compute/v2/server.py

@@ -253,6 +253,39 @@ class AddFloatingIP(command.Command):
                                parsed_args.fixed_ip_address)
 
 
+class AddPort(command.Command):
+    _description = _("Add port to server")
+
+    def get_parser(self, prog_name):
+        parser = super(AddPort, self).get_parser(prog_name)
+        parser.add_argument(
+            "server",
+            metavar="<server>",
+            help=_("Server to add the port to (name or ID)"),
+        )
+        parser.add_argument(
+            "port",
+            metavar="<port>",
+            help=_("Port to add to the server (name or ID)"),
+        )
+        return parser
+
+    def take_action(self, parsed_args):
+        compute_client = self.app.client_manager.compute
+
+        server = utils.find_resource(
+            compute_client.servers, parsed_args.server)
+
+        if self.app.client_manager.is_network_endpoint_enabled():
+            network_client = self.app.client_manager.network
+            port_id = network_client.find_port(
+                parsed_args.port, ignore_missing=False).id
+        else:
+            port_id = parsed_args.port
+
+        server.interface_attach(port_id=port_id, net_id=None, fixed_ip=None)
+
+
 class AddServerSecurityGroup(command.Command):
     _description = _("Add security group to server")
 
@@ -1342,6 +1375,39 @@ class RemoveFloatingIP(command.Command):
         server.remove_floating_ip(parsed_args.ip_address)
 
 
+class RemovePort(command.Command):
+    _description = _("Remove port from server")
+
+    def get_parser(self, prog_name):
+        parser = super(RemovePort, self).get_parser(prog_name)
+        parser.add_argument(
+            "server",
+            metavar="<server>",
+            help=_("Server to remove the port from (name or ID)"),
+        )
+        parser.add_argument(
+            "port",
+            metavar="<port>",
+            help=_("Port to remove from the server (name or ID)"),
+        )
+        return parser
+
+    def take_action(self, parsed_args):
+        compute_client = self.app.client_manager.compute
+
+        server = utils.find_resource(
+            compute_client.servers, parsed_args.server)
+
+        if self.app.client_manager.is_network_endpoint_enabled():
+            network_client = self.app.client_manager.network
+            port_id = network_client.find_port(
+                parsed_args.port, ignore_missing=False).id
+        else:
+            port_id = parsed_args.port
+
+        server.interface_detach(port_id)
+
+
 class RemoveServerSecurityGroup(command.Command):
     _description = _("Remove security group from server")
 

openstackclient/tests/unit/compute/v2/test_server.py

@@ -146,6 +146,9 @@ class TestServerAddFloatingIP(TestServer):
             'add_floating_ip': None,
         }
 
+        self.find_port = mock.Mock()
+        self.app.client_manager.network.find_port = self.find_port
+
     def _test_server_add_floating_ip(self, extralist, fixed_ip_address):
         servers = self.setup_servers_mock(count=1)
 
@@ -174,6 +177,53 @@ class TestServerAddFloatingIP(TestServer):
         self._test_server_add_floating_ip(extralist, '5.6.7.8')
 
 
+class TestServerAddPort(TestServer):
+
+    def setUp(self):
+        super(TestServerAddPort, self).setUp()
+
+        # Get the command object to test
+        self.cmd = server.AddPort(self.app, None)
+
+        # Set add_fixed_ip method to be tested.
+        self.methods = {
+            'interface_attach': None,
+        }
+
+        self.find_port = mock.Mock()
+        self.app.client_manager.network.find_port = self.find_port
+
+    def _test_server_add_port(self, port_id):
+        servers = self.setup_servers_mock(count=1)
+        port = 'fake-port'
+
+        arglist = [
+            servers[0].id,
+            port,
+        ]
+        verifylist = [
+            ('server', servers[0].id),
+            ('port', port)
+        ]
+        parsed_args = self.check_parser(self.cmd, arglist, verifylist)
+
+        result = self.cmd.take_action(parsed_args)
+
+        servers[0].interface_attach.assert_called_once_with(
+            port_id=port_id, net_id=None, fixed_ip=None)
+        self.assertIsNone(result)
+
+    def test_server_add_port(self):
+        self._test_server_add_port(self.find_port.return_value.id)
+        self.find_port.assert_called_once_with(
+            'fake-port', ignore_missing=False)
+
+    def test_server_add_port_no_neutron(self):
+        self.app.client_manager.network_endpoint_enabled = False
+        self._test_server_add_port('fake-port')
+        self.find_port.assert_not_called()
+
+
 class TestServerAddSecurityGroup(TestServer):
 
     def setUp(self):
@@ -1613,6 +1663,52 @@ class TestServerRemoveFloatingIP(TestServer):
         self.assertIsNone(result)
 
 
+class TestServerRemovePort(TestServer):
+
+    def setUp(self):
+        super(TestServerRemovePort, self).setUp()
+
+        # Get the command object to test
+        self.cmd = server.RemovePort(self.app, None)
+
+        # Set method to be tested.
+        self.methods = {
+            'interface_detach': None,
+        }
+
+        self.find_port = mock.Mock()
+        self.app.client_manager.network.find_port = self.find_port
+
+    def _test_server_remove_port(self, port_id):
+        servers = self.setup_servers_mock(count=1)
+        port = 'fake-port'
+
+        arglist = [
+            servers[0].id,
+            port,
+        ]
+        verifylist = [
+            ('server', servers[0].id),
+            ('port', port),
+        ]
+        parsed_args = self.check_parser(self.cmd, arglist, verifylist)
+
+        result = self.cmd.take_action(parsed_args)
+
+        servers[0].interface_detach.assert_called_once_with(port_id)
+        self.assertIsNone(result)
+
+    def test_server_remove_port(self):
+        self._test_server_remove_port(self.find_port.return_value.id)
+        self.find_port.assert_called_once_with(
+            'fake-port', ignore_missing=False)
+
+    def test_server_remove_port_no_neutron(self):
+        self.app.client_manager.network_endpoint_enabled = False
+        self._test_server_remove_port('fake-port')
+        self.find_port.assert_not_called()
+
+
 class TestServerRemoveSecurityGroup(TestServer):
 
     def setUp(self):

releasenotes/notes/allow-to-add-remove-vm-ports-273593d7cc1982de.yaml

@@ -0,0 +1,6 @@
+---
+features:
+    - |
+      Add ``server add port`` and ``server remove port`` commands which enable to
+      add/remove ports to/from a server
+      [Bug `1678137 <https://bugs.launchpad.net/python-openstackclient/+bug/1678137>`_]

setup.cfg

@@ -102,6 +102,7 @@ openstack.compute.v2 =
 
     server_add_fixed_ip = openstackclient.compute.v2.server:AddFixedIP
     server_add_floating_ip = openstackclient.compute.v2.server:AddFloatingIP
+    server_add_port = openstackclient.compute.v2.server:AddPort
     server_add_security_group = openstackclient.compute.v2.server:AddServerSecurityGroup
     server_add_volume = openstackclient.compute.v2.server:AddServerVolume
     server_create = openstackclient.compute.v2.server:CreateServer
@@ -114,6 +115,7 @@ openstack.compute.v2 =
     server_rebuild = openstackclient.compute.v2.server:RebuildServer
     server_remove_fixed_ip = openstackclient.compute.v2.server:RemoveFixedIP
     server_remove_floating_ip = openstackclient.compute.v2.server:RemoveFloatingIP
+    server_remove_port = openstackclient.compute.v2.server:RemovePort
     server_remove_security_group = openstackclient.compute.v2.server:RemoveServerSecurityGroup
     server_remove_volume = openstackclient.compute.v2.server:RemoveServerVolume
     server_rescue = openstackclient.compute.v2.server:RescueServer