Subnet: Add "subnet delete" command using SDK

This patch adds "subnet delete" command to osc using sdk.

Change-Id: I6be27406b16909c6db2b95417355be302e218a8d
Implements: blueprint neutron-client
Closes-bug: #1542362

doc/source/command-objects/subnet.rst

@@ -34,3 +34,19 @@ Show subnet details
 .. describe:: <subnet>
 
     Subnet to show (name or ID)
+
+subnet delete
+-------------
+
+Delete a subnet
+
+.. program:: subnet delete
+.. code:: bash
+
+    os subnet delete
+        <subnet>
+
+.. _subnet_delete-subnet:
+.. describe:: <subnet>
+
+    Subnet to delete (name or ID)

openstackclient/network/v2/subnet.py

@@ -89,3 +89,21 @@ class ShowSubnet(command.ShowOne):
         columns = _get_columns(obj)
         data = utils.get_item_properties(obj, columns, formatters=_formatters)
         return (columns, data)
+
+
+class DeleteSubnet(command.Command):
+    """Delete subnet"""
+
+    def get_parser(self, prog_name):
+        parser = super(DeleteSubnet, self).get_parser(prog_name)
+        parser.add_argument(
+            'subnet',
+            metavar="<subnet>",
+            help=("Subnet to delete (name or ID)")
+        )
+        return parser
+
+    def take_action(self, parsed_args):
+        client = self.app.client_manager.network
+        client.delete_subnet(
+            client.find_subnet(parsed_args.subnet))

openstackclient/tests/network/v2/test_subnet.py

@@ -181,3 +181,32 @@ class TestShowSubnet(TestSubnet):
 
         self.assertEqual(self.columns, columns)
         self.assertEqual(list(self.data), list(data))
+
+
+class TestDeleteSubnet(TestSubnet):
+
+    # The subnet to delete.
+    _subnet = network_fakes.FakeSubnet.create_one_subnet()
+
+    def setUp(self):
+        super(TestDeleteSubnet, self).setUp()
+
+        self.network.delete_subnet = mock.Mock(return_value=None)
+
+        self.network.find_subnet = mock.Mock(return_value=self._subnet)
+
+        # Get the command object to test
+        self.cmd = subnet_v2.DeleteSubnet(self.app, self.namespace)
+
+    def test_delete(self):
+        arglist = [
+            self._subnet.name,
+        ]
+        verifylist = [
+            ('subnet', self._subnet.name),
+        ]
+        parsed_args = self.check_parser(self.cmd, arglist, verifylist)
+
+        result = self.cmd.take_action(parsed_args)
+        self.network.delete_subnet.assert_called_with(self._subnet)
+        self.assertIsNone(result)

releasenotes/notes/bug-1542362-ddad607f6d3025f0.yaml

@@ -0,0 +1,5 @@
+---
+features:
+  - |
+    Add ``subnet delete`` command to openstack-client.
+    [Bug `1542362 <https://bugs.launchpad.net/python-openstackclient/+bug/1542362>`_]

setup.cfg

@@ -342,6 +342,7 @@ openstack.network.v2 =
     security_group_delete = openstackclient.network.v2.security_group:DeleteSecurityGroup
     security_group_rule_delete = openstackclient.network.v2.security_group_rule:DeleteSecurityGroupRule
     security_group_rule_show = openstackclient.network.v2.security_group_rule:ShowSecurityGroupRule
+    subnet_delete = openstackclient.network.v2.subnet:DeleteSubnet
     subnet_list = openstackclient.network.v2.subnet:ListSubnet
     subnet_show = openstackclient.network.v2.subnet:ShowSubnet
     subnet_pool_delete = openstackclient.network.v2.subnet_pool:DeleteSubnetPool