Add "image metadef property show" command

Change-Id: I326735014dfcb4477b109a99aa31f71b07b91c7b

doc/source/cli/data/glance.csv

@@ -41,7 +41,7 @@ md-object-update,,Update metadata definitions object inside a namespace.
 md-property-create,,Create a new metadata definitions property inside a namespace.
 md-property-delete,,Delete a specific metadata definitions property inside a namespace.
 md-property-list,image metadef property list,List metadata definitions properties inside a specific namespace.
-md-property-show,,Describe a specific metadata definitions property inside a namespace.
+md-property-show,image metadef property show,Describe a specific metadata definitions property inside a namespace.
 md-property-update,,Update metadata definitions property inside a namespace.
 md-resource-type-associate,,Associate resource type with a metadata definitions namespace.
 md-resource-type-deassociate,,Deassociate resource type with a metadata definitions namespace.

openstackclient/image/v2/metadef_properties.py

@@ -44,3 +44,55 @@ class ListMetadefProperties(command.Lister):
                 for prop in props
             ),
         )
+
+
+class ShowMetadefProperty(command.ShowOne):
+    _description = _("Describe a specific property from a namespace")
+
+    def get_parser(self, prog_name):
+        parser = super().get_parser(prog_name)
+        parser.add_argument(
+            "namespace_name",
+            metavar="<namespace_name>",
+            help=_("Namespace (name) for the namespace"),
+        )
+        parser.add_argument(
+            "property_name",
+            metavar="<property_name>",
+            help=_("Property to show"),
+        )
+        return parser
+
+    def take_action(self, parsed_args):
+        image_client = self.app.client_manager.image
+        data = image_client.get_metadef_property(
+            parsed_args.property_name, parsed_args.namespace_name
+        )
+        data = data.to_dict(ignore_none=True, original_names=True)
+        info = {
+            key: data[key]
+            for key in [
+                'namespace_name',
+                'name',
+                'type',
+                'title',
+                'description',
+                'operators',
+                'default',
+                'is_readonly',
+                'minimum',
+                'maximum',
+                'enum',
+                'pattern',
+                'min_length',
+                'max_length',
+                'items',
+                'require_unique_items',
+                'min_items',
+                'max_items',
+                'allow_additional_items',
+            ]
+            if key in data
+        }
+
+        return zip(*sorted(info.items()))

openstackclient/tests/unit/image/v2/test_metadef_properties.py

@@ -40,3 +40,36 @@ class TestMetadefPropertyList(image_fakes.TestImagev2):
 
         self.assertEqual(self.columns, columns)
         self.assertEqual(getattr(self.datalist[0], 'name'), next(data)[0])
+
+
+class TestMetadefPropertyShow(image_fakes.TestImagev2):
+    _metadef_property = image_fakes.create_one_metadef_property()
+
+    expected_columns = (
+        'name',
+        'title',
+        'type',
+    )
+    expected_data = (
+        _metadef_property.name,
+        _metadef_property.title,
+        _metadef_property.type,
+    )
+
+    def setUp(self):
+        super().setUp()
+
+        self.image_client.get_metadef_property.return_value = (
+            self._metadef_property
+        )
+
+        self.cmd = metadef_properties.ShowMetadefProperty(self.app, None)
+
+    def test_metadef_property_show(self):
+        arglist = ['my-namespace', 'my-property']
+        verifylist = []
+        parsed_args = self.check_parser(self.cmd, arglist, verifylist)
+
+        columns, data = self.cmd.take_action(parsed_args)
+        self.assertEqual(self.expected_columns, columns)
+        self.assertEqual(self.expected_data, data)

releasenotes/notes/add-metadef-property-show-8bf2ec421f74cb2d.yaml

@@ -0,0 +1,5 @@
+---
+features:
+  - |
+    Add ``image metadef property show`` command to show details
+    about a metadef property inside a specific namespace.

setup.cfg

@@ -398,6 +398,7 @@ openstack.image.v2 =
     image_metadef_namespace_show = openstackclient.image.v2.metadef_namespaces:ShowMetadefNameSpace
 
     image_metadef_property_list = openstackclient.image.v2.metadef_properties:ListMetadefProperties
+    image_metadef_property_show = openstackclient.image.v2.metadef_properties:ShowMetadefProperty
 
     image_metadef_resource_type_list = openstackclient.image.v2.metadef_resource_types:ListMetadefResourceTypes