Add 'flavor list --min-disk', '--min-ram' options

Allow us to filter on minimum disk and RAM, and close another gap with
novaclient.

Change-Id: Ib3f0bdf419675e1c35c3406fbac8a4c18ac56a33
Signed-off-by: Stephen Finucane <sfinucan@redhat.com>

Author: stephenfin

openstackclient/compute/v2/flavor.py

@@ -263,6 +263,18 @@ def get_parser(self, prog_name):
             default=False,
             help=_("List all flavors, whether public or private")
         )
+        parser.add_argument(
+            '--min-disk',
+            type=int,
+            metavar='<min-disk>',
+            help=_('Filters the flavors by a minimum disk space, in GiB.'),
+        )
+        parser.add_argument(
+            '--min-ram',
+            type=int,
+            metavar='<min-ram>',
+            help=_('Filters the flavors by a minimum RAM, in MiB.'),
+        )
         parser.add_argument(
             '--long',
             action='store_true',
@@ -277,8 +289,13 @@ def get_parser(self, prog_name):
         parser.add_argument(
             '--limit',
             type=int,
-            metavar="<num-flavors>",
-            help=_("Maximum number of flavors to display")
+            metavar='<num-flavors>',
+            help=_(
+                'Maximum number of flavors to display. This is also '
+                'configurable on the server. The actual limit used will be '
+                'the lower of the user-supplied value and the server '
+                'configuration-derived value'
+            ),
         )
         return parser
 
@@ -293,15 +310,24 @@ def take_action(self, parsed_args):
         query_attrs = {
             'is_public': is_public
         }
+
         if parsed_args.marker:
             query_attrs['marker'] = parsed_args.marker
+
         if parsed_args.limit:
             query_attrs['limit'] = parsed_args.limit
+
         if parsed_args.limit or parsed_args.marker:
             # User passed explicit pagination request, switch off SDK
             # pagination
             query_attrs['paginated'] = False
 
+        if parsed_args.min_disk:
+            query_attrs['min_disk'] = parsed_args.min_disk
+
+        if parsed_args.min_ram:
+            query_attrs['min_ram'] = parsed_args.min_ram
+
         data = list(compute_client.flavors(**query_attrs))
         # Even if server supports 2.61 some policy might stop it sending us
         # extra_specs. So try to fetch them if they are absent
@@ -341,10 +367,13 @@ def take_action(self, parsed_args):
                 "Properties",
             )
 
-        return (column_headers,
-                (utils.get_item_properties(
-                    s, columns, formatters=_formatters,
-                ) for s in data))
+        return (
+            column_headers,
+            (
+                utils.get_item_properties(s, columns, formatters=_formatters)
+                for s in data
+            ),
+        )
 
 
 class SetFlavor(command.Command):
@@ -378,13 +407,13 @@ def get_parser(self, prog_name):
             help=_('Set flavor access to project (name or ID) '
                    '(admin only)'),
         )
+        identity_common.add_project_domain_option_to_parser(parser)
         parser.add_argument(
             '--description',
             metavar='<description>',
             help=_("Set description for the flavor.(Supported by API "
                    "versions '2.55' - '2.latest'")
         )
-        identity_common.add_project_domain_option_to_parser(parser)
 
         return parser
 

openstackclient/tests/unit/compute/v2/test_flavor.py

@@ -635,6 +635,37 @@ def test_flavor_list_long(self):
         self.assertEqual(self.columns_long, columns)
         self.assertListItemEqual(self.data_long, tuple(data))
 
+    def test_flavor_list_min_disk_min_ram(self):
+        arglist = [
+            '--min-disk', '10',
+            '--min-ram', '2048',
+        ]
+        verifylist = [
+            ('min_disk', 10),
+            ('min_ram', 2048),
+        ]
+
+        parsed_args = self.check_parser(self.cmd, arglist, verifylist)
+
+        # In base command class Lister in cliff, abstract method take_action()
+        # returns a tuple containing the column names and an iterable
+        # containing the data to be listed.
+        columns, data = self.cmd.take_action(parsed_args)
+
+        # Set expected values
+        kwargs = {
+            'is_public': True,
+            'min_disk': 10,
+            'min_ram': 2048,
+        }
+
+        self.sdk_client.flavors.assert_called_with(
+            **kwargs
+        )
+
+        self.assertEqual(self.columns, columns)
+        self.assertEqual(tuple(self.data), tuple(data))
+
 
 class TestFlavorSet(TestFlavor):
 

releasenotes/notes/flavor-list-min-disk-min-ram-65ba35e7acc24134.yaml

@@ -0,0 +1,6 @@
+---
+features:
+  - |
+    The ``openstack flavor list`` command now accepts two additional
+    options, ``--min-disk`` and ``--min-ram``, to filter flavor by
+    minimum disk and minimum RAM, respectively.