Support "network show" command in nova network

"network show" command is not implemented in nova network.
This patch implements it.

Change-Id: I1fadd890fe36c4e3ac5c9ed389b20c5b2fff8aca
partial-Bug: 1543672

Author: Tang Chen

openstackclient/network/v2/network.py

@@ -316,7 +316,7 @@ def take_action(self, parsed_args):
         return
 
 
-class ShowNetwork(command.ShowOne):
+class ShowNetwork(common.NetworkAndComputeShowOne):
     """Show network details"""
 
     def get_parser(self, prog_name):
@@ -328,9 +328,17 @@ def get_parser(self, prog_name):
         )
         return parser
 
-    def take_action(self, parsed_args):
-        client = self.app.client_manager.network
+    def take_action_network(self, client, parsed_args):
         obj = client.find_network(parsed_args.network, ignore_missing=False)
         columns = _get_columns(obj)
         data = utils.get_item_properties(obj, columns, formatters=_formatters)
         return (columns, data)
+
+    def take_action_compute(self, client, parsed_args):
+        network = utils.find_resource(
+            client.networks,
+            parsed_args.network,
+        )
+        columns = sorted(network._info.keys())
+        data = utils.get_dict_properties(network._info, columns)
+        return (columns, data)

openstackclient/tests/compute/v2/fakes.py

@@ -539,13 +539,42 @@ def create_one_network(attrs={}, methods={}):
         :param Dictionary methods:
             A dictionary with all methods
         :return:
-            A FakeResource object, with id, label, cidr
+            A FakeResource object, with id, label, cidr and so on
         """
         # Set default attributes.
         network_attrs = {
+            'bridge': 'br100',
+            'bridge_interface': None,
+            'broadcast': '10.0.0.255',
+            'cidr': '10.0.0.0/24',
+            'cidr_v6': None,
+            'created_at': '2016-02-11T11:17:37.000000',
+            'deleted': False,
+            'deleted_at': None,
+            'dhcp_server': '10.0.0.1',
+            'dhcp_start': '10.0.0.2',
+            'dns1': '8.8.4.4',
+            'dns2': None,
+            'enable_dhcp': True,
+            'gateway': '10.0.0.1',
+            'gateway_v6': None,
+            'host': None,
             'id': 'network-id-' + uuid.uuid4().hex,
+            'injected': False,
             'label': 'network-label-' + uuid.uuid4().hex,
-            'cidr': '10.0.0.0/24',
+            'mtu': None,
+            'multi_host': False,
+            'netmask': '255.255.255.0',
+            'netmask_v6': None,
+            'priority': None,
+            'project_id': 'project-id-' + uuid.uuid4().hex,
+            'rxtx_base': None,
+            'share_address': False,
+            'updated_at': None,
+            'vlan': None,
+            'vpn_private_address': None,
+            'vpn_public_address': None,
+            'vpn_public_port': None,
         }
 
         # Overwrite default attributes.

openstackclient/tests/network/v2/test_network.py

@@ -654,3 +654,112 @@ def test_network_list_no_options(self):
         self.compute.networks.list.assert_called_with()
         self.assertEqual(self.columns, columns)
         self.assertEqual(self.data, list(data))
+
+
+class TestShowNetworkCompute(TestNetworkCompute):
+
+    # The network to show.
+    _network = compute_fakes.FakeNetwork.create_one_network()
+
+    columns = (
+        'bridge',
+        'bridge_interface',
+        'broadcast',
+        'cidr',
+        'cidr_v6',
+        'created_at',
+        'deleted',
+        'deleted_at',
+        'dhcp_server',
+        'dhcp_start',
+        'dns1',
+        'dns2',
+        'enable_dhcp',
+        'gateway',
+        'gateway_v6',
+        'host',
+        'id',
+        'injected',
+        'label',
+        'mtu',
+        'multi_host',
+        'netmask',
+        'netmask_v6',
+        'priority',
+        'project_id',
+        'rxtx_base',
+        'share_address',
+        'updated_at',
+        'vlan',
+        'vpn_private_address',
+        'vpn_public_address',
+        'vpn_public_port',
+    )
+
+    data = (
+        _network.bridge,
+        _network.bridge_interface,
+        _network.broadcast,
+        _network.cidr,
+        _network.cidr_v6,
+        _network.created_at,
+        _network.deleted,
+        _network.deleted_at,
+        _network.dhcp_server,
+        _network.dhcp_start,
+        _network.dns1,
+        _network.dns2,
+        _network.enable_dhcp,
+        _network.gateway,
+        _network.gateway_v6,
+        _network.host,
+        _network.id,
+        _network.injected,
+        _network.label,
+        _network.mtu,
+        _network.multi_host,
+        _network.netmask,
+        _network.netmask_v6,
+        _network.priority,
+        _network.project_id,
+        _network.rxtx_base,
+        _network.share_address,
+        _network.updated_at,
+        _network.vlan,
+        _network.vpn_private_address,
+        _network.vpn_public_address,
+        _network.vpn_public_port,
+    )
+
+    def setUp(self):
+        super(TestShowNetworkCompute, self).setUp()
+
+        self.app.client_manager.network_endpoint_enabled = False
+
+        # Return value of utils.find_resource()
+        self.compute.networks.get.return_value = self._network
+
+        # Get the command object to test
+        self.cmd = network.ShowNetwork(self.app, None)
+
+    def test_show_no_options(self):
+        arglist = []
+        verifylist = []
+
+        # Missing required args should bail here
+        self.assertRaises(tests_utils.ParserException, self.check_parser,
+                          self.cmd, arglist, verifylist)
+
+    def test_show_all_options(self):
+        arglist = [
+            self._network.label,
+        ]
+        verifylist = [
+            ('network', self._network.label),
+        ]
+
+        parsed_args = self.check_parser(self.cmd, arglist, verifylist)
+        columns, data = self.cmd.take_action(parsed_args)
+
+        self.assertEqual(self.columns, tuple(columns))
+        self.assertEqual(self.data, data)

releasenotes/notes/bug-1543672-bad2fc4c6c8f3125.yaml

@@ -4,3 +4,5 @@ features:
     [Bug `1543672 <https://bugs.launchpad.net/python-openstackclient/+bug/1543672>`_]
   - Command ``network list`` is now available for nova network.
     [Bug `1543672 <https://bugs.launchpad.net/python-openstackclient/+bug/1543672>`_]
+  - Command ``network show`` is now available for nova network.
+    [Bug `1543672 <https://bugs.launchpad.net/python-openstackclient/+bug/1543672>`_]