Add default-quota to subnet pool commands

Add --default-quota option to subnet pool create and set commands.

Setting default-quota back to None may break the current Neutron
behavior, therefore support for Unset command is not provided in
this patch.

Neutron API:
a0e0e8b668/neutron/api/v2/attributes.py (L239)

Closes-Bug: #1667294
Change-Id: Ia4e7c23a49e91a090133c729353cdb8e62bc5674

doc/source/command-objects/subnet-pool.rst

@@ -24,6 +24,7 @@ Create subnet pool
         [--address-scope <address-scope>]
         [--default | --no-default]
         [--share | --no-share]
+        [--default-quota <num-ip-addresses>]
         --pool-prefix <pool-prefix> [...]
         <name>
 
@@ -73,7 +74,12 @@ Create subnet pool
 
     Set this subnet pool as not shared
 
-.. describe:: --pool-prefix <pool-prefix>
+.. option:: --default-quota <num-ip-addresses>
+
+    Set default quota for subnet pool as the number of
+    IP addresses allowed in a subnet
+
+.. option:: --pool-prefix <pool-prefix>
 
     Set subnet pool prefixes (in CIDR notation)
     (repeat option to set multiple prefixes)
@@ -169,6 +175,7 @@ Set subnet pool properties
         [--address-scope <address-scope> | --no-address-scope]
         [--default | --no-default]
         [--description <description>]
+        [--default-quota <num-ip-addresses>]
         <subnet-pool>
 
 .. option:: --name <name>
@@ -213,6 +220,11 @@ Set subnet pool properties
 
     Set subnet pool description
 
+.. option:: --default-quota <num-ip-addresses>
+
+    Set default quota for subnet pool as the number of
+    IP addresses allowed in a subnet
+
 .. _subnet_pool_set-subnet-pool:
 .. describe:: <subnet-pool>
 

openstackclient/network/v2/subnet_pool.py

@@ -89,6 +89,9 @@ def _get_attrs(client_manager, parsed_args):
     if parsed_args.description is not None:
         attrs['description'] = parsed_args.description
 
+    if parsed_args.default_quota is not None:
+        attrs['default_quota'] = int(parsed_args.default_quota)
+
     return attrs
 
 
@@ -182,6 +185,12 @@ class CreateSubnetPool(command.ShowOne):
             metavar='<description>',
             help=_("Set subnet pool description")
         )
+        parser.add_argument(
+            '--default-quota',
+            type=int,
+            metavar='<num-ip-addresses>',
+            help=_("Set default quota for subnet pool as the number of"
+                   "IP addresses allowed in a subnet")),
         return parser
 
     def take_action(self, parsed_args):
@@ -369,7 +378,12 @@ class SetSubnetPool(command.Command):
             metavar='<description>',
             help=_("Set subnet pool description")
         )
-
+        parser.add_argument(
+            '--default-quota',
+            type=int,
+            metavar='<num-ip-addresses>',
+            help=_("Set default quota for subnet pool as the number of"
+                   "IP addresses allowed in a subnet")),
         return parser
 
     def take_action(self, parsed_args):

openstackclient/tests/functional/network/v2/test_subnet_pool.py

@@ -165,7 +165,7 @@ class SubnetPoolTests(common.NetworkTests):
         self.assertIn(name2, names)
 
     def test_subnet_pool_set_show(self):
-        """Test create, set, show, delete"""
+        """Test create, delete, set, show, unset"""
 
         name = uuid.uuid4().hex
         new_name = name + "_"
@@ -173,11 +173,15 @@ class SubnetPoolTests(common.NetworkTests):
             '--default-prefix-length 16 ' +
             '--min-prefix-length 16 ' +
             '--max-prefix-length 32 ' +
-            '--description aaaa ',
+            '--description aaaa ' +
+            '--default-quota 10 ',
             name,
         )
 
-        self.addCleanup(self.openstack, 'subnet pool delete ' + new_name)
+        self.addCleanup(
+            self.openstack,
+            'subnet pool delete ' + cmd_output['id'],
+        )
         self.assertEqual(
             name,
             cmd_output["name"],
@@ -202,6 +206,10 @@ class SubnetPoolTests(common.NetworkTests):
             32,
             cmd_output["max_prefixlen"],
         )
+        self.assertEqual(
+            10,
+            cmd_output["default_quota"],
+        )
 
         # Test set
         cmd_output = self.openstack(
@@ -212,7 +220,8 @@ class SubnetPoolTests(common.NetworkTests):
             '--default-prefix-length 8 ' +
             '--min-prefix-length 8 ' +
             '--max-prefix-length 16 ' +
-            name
+            '--default-quota 20 ' +
+            name,
         )
         self.assertOutput('', cmd_output)
 
@@ -244,6 +253,28 @@ class SubnetPoolTests(common.NetworkTests):
             16,
             cmd_output["max_prefixlen"],
         )
+        self.assertEqual(
+            20,
+            cmd_output["default_quota"],
+        )
+
+        # Test unset
+        # NOTE(dtroyer): The unset command --default-quota option DOES NOT
+        #                WORK after a default quota has been set once on a
+        #                pool.  The error appears to be in a lower layer,
+        #                once that is fixed add a test for subnet pool unset
+        #                --default-quota.
+        #                The unset command of --pool-prefixes also doesnt work
+        #                right now. It would be fixed in a separate patch once
+        #                the lower layer is fixed.
+        # cmd_output = self.openstack(
+        #    '--debug ' +
+        #    'subnet pool unset ' +
+        #    ' --pool-prefix 10.110.0.0/16 ' +
+        #    new_name,
+        # )
+        # self.assertOutput('', cmd_output)
+        # self.assertNone(cmd_output["prefixes"])
 
     def _subnet_pool_create(self, cmd, name, is_type_ipv4=True):
         """Make a random subnet pool

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

@@ -270,6 +270,27 @@ class TestCreateSubnetPool(TestSubnetPool):
         self.assertEqual(self.columns, columns)
         self.assertEqual(self.data, data)
 
+    def test_create_with_default_quota(self):
+        arglist = [
+            '--pool-prefix', '10.0.10.0/24',
+            '--default-quota', '10',
+            self._subnet_pool.name,
+        ]
+        verifylist = [
+            ('prefixes', ['10.0.10.0/24']),
+            ('default_quota', 10),
+            ('name', self._subnet_pool.name),
+        ]
+        parsed_args = self.check_parser(self.cmd, arglist, verifylist)
+        columns, data = (self.cmd.take_action(parsed_args))
+        self.network.create_subnet_pool.assert_called_once_with(**{
+            'name': self._subnet_pool.name,
+            'prefixes': ['10.0.10.0/24'],
+            'default_quota': 10,
+        })
+        self.assertEqual(self.columns, columns)
+        self.assertEqual(self.data, data)
+
 
 class TestDeleteSubnetPool(TestSubnetPool):
 
@@ -567,7 +588,9 @@ class TestListSubnetPool(TestSubnetPool):
 class TestSetSubnetPool(TestSubnetPool):
 
     # The subnet_pool to set.
-    _subnet_pool = network_fakes.FakeSubnetPool.create_one_subnet_pool()
+    _subnet_pool = network_fakes.FakeSubnetPool.create_one_subnet_pool(
+        {'default_quota': 10},
+    )
 
     _address_scope = network_fakes.FakeAddressScope.create_one_address_scope()
 
@@ -794,6 +817,23 @@ class TestSetSubnetPool(TestSubnetPool):
             self._subnet_pool, **attrs)
         self.assertIsNone(result)
 
+    def test_set_with_default_quota(self):
+        arglist = [
+            '--default-quota', '20',
+            self._subnet_pool.name,
+        ]
+        verifylist = [
+            ('default_quota', 20),
+            ('subnet_pool', self._subnet_pool.name),
+        ]
+        parsed_args = self.check_parser(self.cmd, arglist, verifylist)
+        result = self.cmd.take_action(parsed_args)
+        self.network.update_subnet_pool.assert_called_once_with(
+            self._subnet_pool,
+            **{'default_quota': 20, }
+        )
+        self.assertIsNone(result)
+
 
 class TestShowSubnetPool(TestSubnetPool):
 

releasenotes/notes/bug-1667294-f92efa49627eb00a.yaml

@@ -0,0 +1,6 @@
+---
+features:
+  - |
+    Add ``--default-quota`` option to ``subnet pool create``
+    and ``subnet pool set`` commands.
+    [Bug `1667294 <https://bugs.launchpad.net/python-openstackclient/+bug/1667294>`_]