neutron: add --mtu for create/set network

Support Neutron network mtu configuration with a new argument, --mtu
that allows CLI users to set MTU for Neutron networks.

Change-Id: I93d23581c7e8c84eaf9bb3b293360036f60f456b

doc/source/cli/command-objects/network.rst

@@ -24,6 +24,7 @@ Create new network
         [--enable | --disable]
         [--share | --no-share]
         [--description <description>]
+        [--mtu <mtu>]
         [--availability-zone-hint <availability-zone>]
         [--enable-port-security | --disable-port-security]
         [--external [--default | --no-default] | --internal]
@@ -74,6 +75,12 @@ Create new network
 
     *Network version 2 only*
 
+.. option:: --mtu <mtu>
+
+    Set network mtu
+
+    *Network version 2 only*
+
 .. option:: --availability-zone-hint <availability-zone>
 
     Availability Zone in which to create this network
@@ -353,6 +360,7 @@ Set network properties
         [--enable | --disable]
         [--share | --no-share]
         [--description <description>]
+        [--mtu <mtu>]
         [--enable-port-security | --disable-port-security]
         [--external [--default | --no-default] | --internal]
         [--provider-network-type <provider-network-type>]
@@ -386,6 +394,10 @@ Set network properties
 
     Set network description
 
+.. option:: --mtu <mtu>
+
+    Set network mtu
+
 .. option:: --enable-port-security
 
     Enable port security by default for ports created on

openstackclient/network/v2/network.py

@@ -107,6 +107,10 @@ def _get_attrs_network(client_manager, parsed_args):
     if parsed_args.description:
         attrs['description'] = parsed_args.description
 
+    # set mtu
+    if parsed_args.mtu:
+        attrs['mtu'] = parsed_args.mtu
+
     # update_external_network_options
     if parsed_args.internal:
         attrs['router:external'] = False
@@ -217,6 +221,11 @@ class CreateNetwork(common.NetworkAndComputeShowOne):
             metavar='<description>',
             help=_("Set network description")
         )
+        parser.add_argument(
+            '--mtu',
+            metavar='<mtu>',
+            help=_("Set network mtu")
+        )
         identity_common.add_project_domain_option_to_parser(parser)
         parser.add_argument(
             '--availability-zone-hint',
@@ -619,6 +628,11 @@ class SetNetwork(command.Command):
             metavar="<description",
             help=_("Set network description")
         )
+        parser.add_argument(
+            '--mtu',
+            metavar="<mtu",
+            help=_("Set network mtu")
+        )
         port_security_group = parser.add_mutually_exclusive_group()
         port_security_group.add_argument(
             '--enable-port-security',

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

@@ -335,6 +335,7 @@ class FakeNetwork(object):
             'name': 'network-name-' + uuid.uuid4().hex,
             'status': 'ACTIVE',
             'description': 'network-description-' + uuid.uuid4().hex,
+            'mtu': '1350',
             'tenant_id': 'project-id-' + uuid.uuid4().hex,
             'admin_state_up': True,
             'shared': False,

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

@@ -64,6 +64,7 @@ class TestCreateNetworkIdentityV3(TestNetwork):
         'ipv4_address_scope',
         'ipv6_address_scope',
         'is_default',
+        'mtu',
         'name',
         'port_security_enabled',
         'project_id',
@@ -87,6 +88,7 @@ class TestCreateNetworkIdentityV3(TestNetwork):
         _network.ipv4_address_scope_id,
         _network.ipv6_address_scope_id,
         _network.is_default,
+        _network.mtu,
         _network.name,
         _network.is_port_security_enabled,
         _network.project_id,
@@ -149,6 +151,7 @@ class TestCreateNetworkIdentityV3(TestNetwork):
             "--disable",
             "--share",
             "--description", self._network.description,
+            "--mtu", self._network.mtu,
             "--project", self.project.name,
             "--project-domain", self.domain.name,
             "--availability-zone-hint", "nova",
@@ -165,6 +168,7 @@ class TestCreateNetworkIdentityV3(TestNetwork):
             ('disable', True),
             ('share', True),
             ('description', self._network.description),
+            ('mtu', self._network.mtu),
             ('project', self.project.name),
             ('project_domain', self.domain.name),
             ('availability_zone_hints', ["nova"]),
@@ -188,6 +192,7 @@ class TestCreateNetworkIdentityV3(TestNetwork):
             'name': self._network.name,
             'shared': True,
             'description': self._network.description,
+            'mtu': self._network.mtu,
             # TODO(dtroyer): Remove tenant_id when we clean up the SDK refactor
             'tenant_id': self.project.id,
             'project_id': self.project.id,
@@ -286,6 +291,7 @@ class TestCreateNetworkIdentityV2(TestNetwork):
         'ipv4_address_scope',
         'ipv6_address_scope',
         'is_default',
+        'mtu',
         'name',
         'port_security_enabled',
         'project_id',
@@ -309,6 +315,7 @@ class TestCreateNetworkIdentityV2(TestNetwork):
         _network.ipv4_address_scope_id,
         _network.ipv6_address_scope_id,
         _network.is_default,
+        _network.mtu,
         _network.name,
         _network.is_port_security_enabled,
         _network.project_id,
@@ -1023,6 +1030,7 @@ class TestShowNetwork(TestNetwork):
         'ipv4_address_scope',
         'ipv6_address_scope',
         'is_default',
+        'mtu',
         'name',
         'port_security_enabled',
         'project_id',
@@ -1046,6 +1054,7 @@ class TestShowNetwork(TestNetwork):
         _network.ipv4_address_scope_id,
         _network.ipv6_address_scope_id,
         _network.is_default,
+        _network.mtu,
         _network.name,
         _network.is_port_security_enabled,
         _network.project_id,

releasenotes/notes/neutron_mtu-d87e53e2d76f8612.yaml

@@ -0,0 +1,5 @@
+---
+features:
+  - |
+    Add ``--mtu`` option to ``network create`` and ``network set``
+    commands, allowing CLI users to set the MTU for Neutron networks.