Allow users to list all images

Add a "--all" option to "openstack image list", which allows the user to
list all of the images.

Story: 2010071
Change-Id: I56a2e4846d0380d07803305fb830d1a43dfd71b3

openstackclient/image/v2/image.py

@@ -575,6 +575,13 @@ class ListImage(command.Lister):
             default=False,
             help=_("List only shared images"),
         )
+        public_group.add_argument(
+            "--all",
+            dest="all",
+            action="store_true",
+            default=False,
+            help=_("List all images"),
+        )
         parser.add_argument(
             '--property',
             metavar='<key=value>',
@@ -675,6 +682,8 @@ class ListImage(command.Lister):
             kwargs['visibility'] = 'community'
         if parsed_args.shared:
             kwargs['visibility'] = 'shared'
+        if parsed_args.all:
+            kwargs['visibility'] = 'all'
         if parsed_args.limit:
             kwargs['limit'] = parsed_args.limit
         if parsed_args.marker:

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

@@ -486,6 +486,7 @@ class TestImageList(TestImage):
             ('private', False),
             ('community', False),
             ('shared', False),
+            ('all', False),
             ('long', False),
         ]
         parsed_args = self.check_parser(self.cmd, arglist, verifylist)
@@ -510,6 +511,7 @@ class TestImageList(TestImage):
             ('private', False),
             ('community', False),
             ('shared', False),
+            ('all', False),
             ('long', False),
         ]
         parsed_args = self.check_parser(self.cmd, arglist, verifylist)
@@ -534,6 +536,7 @@ class TestImageList(TestImage):
             ('private', True),
             ('community', False),
             ('shared', False),
+            ('all', False),
             ('long', False),
         ]
         parsed_args = self.check_parser(self.cmd, arglist, verifylist)
@@ -558,6 +561,7 @@ class TestImageList(TestImage):
             ('private', False),
             ('community', True),
             ('shared', False),
+            ('all', False),
             ('long', False),
         ]
         parsed_args = self.check_parser(self.cmd, arglist, verifylist)
@@ -582,6 +586,7 @@ class TestImageList(TestImage):
             ('private', False),
             ('community', False),
             ('shared', True),
+            ('all', False),
             ('long', False),
         ]
         parsed_args = self.check_parser(self.cmd, arglist, verifylist)
@@ -597,6 +602,31 @@ class TestImageList(TestImage):
         self.assertEqual(self.columns, columns)
         self.assertCountEqual(self.datalist, tuple(data))
 
+    def test_image_list_all_option(self):
+        arglist = [
+            '--all',
+        ]
+        verifylist = [
+            ('public', False),
+            ('private', False),
+            ('community', False),
+            ('shared', False),
+            ('all', True),
+            ('long', False),
+        ]
+        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)
+        self.client.images.assert_called_with(
+            visibility='all',
+        )
+
+        self.assertEqual(self.columns, columns)
+        self.assertCountEqual(self.datalist, tuple(data))
+
     def test_image_list_shared_member_status_option(self):
         arglist = [
             '--shared',
@@ -607,6 +637,7 @@ class TestImageList(TestImage):
             ('private', False),
             ('community', False),
             ('shared', True),
+            ('all', False),
             ('long', False),
             ('member_status', 'all')
         ]
@@ -634,6 +665,7 @@ class TestImageList(TestImage):
             ('private', False),
             ('community', False),
             ('shared', True),
+            ('all', False),
             ('long', False),
             ('member_status', 'all')
         ]