Display Network QoS rule type details

Neutron API now supports getting details of supported
QoS rule type.
This patch adds support for this feature to OpenStack client.

Change-Id: I74d16563ce2236a7c899f5994f1dab43ace02138
Depends-On: I448b5d4f8e4ef42eafe50d9d6c63d0be666f98fc
Related-Bug: #1686035

6 files changed, 113 insertions, 0 deletions

diff --git a/doc/source/cli/command-objects/network-qos-rule-type.rst b/doc/source/cli/command-objects/network-qos-rule-type.rst
index ee53e30b..de6f2474 100644
--- a/doc/source/cli/command-objects/network-qos-rule-type.rst
+++ b/doc/source/cli/command-objects/network-qos-rule-type.rst
@@ -16,3 +16,18 @@ List Network QoS rule types
 .. code:: bash
 
     openstack network qos rule type list
+
+network qos rule type show
+--------------------------
+
+Display Network QoS rule type details
+
+.. program:: network qos rule type show
+.. code:: bash
+
+    openstack network qos rule type show
+        <rule-type-name>
+
+.. describe:: <rule-type-name>
+
+    Name of QoS rule type (minimum-bandwidth, dscp-marking, bandwidth-limit)
diff --git a/openstackclient/network/v2/network_qos_rule_type.py b/openstackclient/network/v2/network_qos_rule_type.py
index 52f8e235..7b92c8ad 100644
--- a/openstackclient/network/v2/network_qos_rule_type.py
+++ b/openstackclient/network/v2/network_qos_rule_type.py
@@ -17,6 +17,17 @@ from osc_lib.command import command
 from osc_lib import utils
 
 from openstackclient.i18n import _
+from openstackclient.network import sdk_utils
+
+
+def _get_columns(item):
+    column_map = {
+        "type": "rule_type_name",
+        "drivers": "drivers",
+    }
+    invisible_columns = ["id", "name"]
+    return sdk_utils.get_osc_show_columns_for_sdk_resource(
+        item, column_map, invisible_columns)
 
 
 class ListNetworkQosRuleType(command.Lister):
@@ -36,3 +47,23 @@ class ListNetworkQosRuleType(command.Lister):
                 (utils.get_item_properties(
                     s, columns, formatters={},
                 ) for s in data))
+
+
+class ShowNetworkQosRuleType(command.ShowOne):
+    _description = _("Show details about supported QoS rule type")
+
+    def get_parser(self, prog_name):
+        parser = super(ShowNetworkQosRuleType, self).get_parser(prog_name)
+        parser.add_argument(
+            'rule_type',
+            metavar="<qos-rule-type-name>",
+            help=_("Name of QoS rule type")
+        )
+        return parser
+
+    def take_action(self, parsed_args):
+        client = self.app.client_manager.network
+        obj = client.get_qos_rule_type(parsed_args.rule_type)
+        display_columns, columns = _get_columns(obj)
+        data = utils.get_item_properties(obj, columns)
+        return display_columns, data
diff --git a/openstackclient/tests/functional/network/v2/test_network_qos_rule_type.py b/openstackclient/tests/functional/network/v2/test_network_qos_rule_type.py
index a6ee3e10..56cd8920 100644
--- a/openstackclient/tests/functional/network/v2/test_network_qos_rule_type.py
+++ b/openstackclient/tests/functional/network/v2/test_network_qos_rule_type.py
@@ -35,3 +35,10 @@ class NetworkQosRuleTypeTests(common.NetworkTests):
             'network qos rule type list -f json'))
         for rule_type in self.AVAILABLE_RULE_TYPES:
             self.assertIn(rule_type, [x['Type'] for x in cmd_output])
+
+    def test_qos_rule_type_details(self):
+        for rule_type in self.AVAILABLE_RULE_TYPES:
+            cmd_output = json.loads(self.openstack(
+                'network qos rule type show %s -f json' % rule_type))
+            self.assertEqual(rule_type, cmd_output['rule_type_name'])
+            self.assertIn("drivers", cmd_output.keys())
diff --git a/openstackclient/tests/unit/network/v2/test_network_qos_rule_type.py b/openstackclient/tests/unit/network/v2/test_network_qos_rule_type.py
index b93abe80..80c52bf7 100644
--- a/openstackclient/tests/unit/network/v2/test_network_qos_rule_type.py
+++ b/openstackclient/tests/unit/network/v2/test_network_qos_rule_type.py
@@ -17,6 +17,7 @@ import mock
 
 from openstackclient.network.v2 import network_qos_rule_type as _qos_rule_type
 from openstackclient.tests.unit.network.v2 import fakes as network_fakes
+from openstackclient.tests.unit import utils as tests_utils
 
 
 class TestNetworkQosRuleType(network_fakes.TestNetworkV2):
@@ -27,6 +28,60 @@ class TestNetworkQosRuleType(network_fakes.TestNetworkV2):
         self.network = self.app.client_manager.network
 
 
+class TestShowNetworkQosRuleType(TestNetworkQosRuleType):
+
+    attrs = {
+        'drivers': [{
+            'name': 'driver 1',
+            'supported_parameters': []
+        }]
+    }
+    # The QoS policies to show.
+    qos_rule_type = (
+        network_fakes.FakeNetworkQosRuleType.create_one_qos_rule_type(attrs))
+    columns = (
+        'drivers',
+        'rule_type_name'
+    )
+    data = [
+        qos_rule_type.drivers,
+        qos_rule_type.type
+    ]
+
+    def setUp(self):
+        super(TestShowNetworkQosRuleType, self).setUp()
+        self.network.get_qos_rule_type = mock.Mock(
+            return_value=self.qos_rule_type)
+
+        # Get the command object to test
+        self.cmd = _qos_rule_type.ShowNetworkQosRuleType(self.app,
+                                                         self.namespace)
+
+    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.qos_rule_type.type,
+        ]
+        verifylist = [
+            ('rule_type', self.qos_rule_type.type),
+        ]
+
+        parsed_args = self.check_parser(self.cmd, arglist, verifylist)
+        columns, data = self.cmd.take_action(parsed_args)
+
+        self.network.get_qos_rule_type.assert_called_once_with(
+            self.qos_rule_type.type)
+        self.assertEqual(self.columns, columns)
+        self.assertEqual(list(self.data), list(data))
+
+
 class TestListNetworkQosRuleType(TestNetworkQosRuleType):
 
     # The QoS policies to list up.
diff --git a/releasenotes/notes/add-network-qos-rule-type-show-57a714a1d428726e.yaml b/releasenotes/notes/add-network-qos-rule-type-show-57a714a1d428726e.yaml
new file mode 100644
index 00000000..d1fb88ce
--- /dev/null
+++ b/releasenotes/notes/add-network-qos-rule-type-show-57a714a1d428726e.yaml
@@ -0,0 +1,4 @@
+---
+features:
+  - |
+    Add ``network qos rule type show`` command.
diff --git a/setup.cfg b/setup.cfg
index 2412b6fe..dcfe7671 100644
--- a/setup.cfg
+++ b/setup.cfg
@@ -424,6 +424,7 @@ openstack.network.v2 =
     network_qos_rule_show = openstackclient.network.v2.network_qos_rule:ShowNetworkQosRule
 
     network_qos_rule_type_list = openstackclient.network.v2.network_qos_rule_type:ListNetworkQosRuleType
+    network_qos_rule_type_show = openstackclient.network.v2.network_qos_rule_type:ShowNetworkQosRuleType
 
     network_rbac_create = openstackclient.network.v2.network_rbac:CreateNetworkRBAC
     network_rbac_delete = openstackclient.network.v2.network_rbac:DeleteNetworkRBAC