Add support to list image members

The OpenStack client presently has support to add or remove members
from an image, but no way to list image members.  This patch addreses
this issue.

Change-Id: Ie85c5de23c6beb21fd6b4c04c83ddf2a116606ef

2 files changed, 79 insertions, 0 deletions

diff --git a/openstackclient/image/v2/image.py b/openstackclient/image/v2/image.py
index 7e6a7aa1..9407e665 100644
--- a/openstackclient/image/v2/image.py
+++ b/openstackclient/image/v2/image.py
@@ -592,6 +592,39 @@ class ListImage(command.Lister):
         )
 
 
+class ListImageProjects(command.Lister):
+    _description = _("List projects associated with image")
+
+    def get_parser(self, prog_name):
+        parser = super(ListImageProjects, self).get_parser(prog_name)
+        parser.add_argument(
+            "image",
+            metavar="<image>",
+            help=_("Image (name or ID)"),
+        )
+        common.add_project_domain_option_to_parser(parser)
+        return parser
+
+    def take_action(self, parsed_args):
+        image_client = self.app.client_manager.image
+        columns = (
+            "Image ID",
+            "Member ID",
+            "Status"
+        )
+
+        image_id = utils.find_resource(
+            image_client.images,
+            parsed_args.image).id
+
+        data = image_client.image_members.list(image_id)
+
+        return (columns,
+                (utils.get_item_properties(
+                    s, columns,
+                ) for s in data))
+
+
 class RemoveProjectImage(command.Command):
     _description = _("Disassociate project with image")
 
diff --git a/openstackclient/tests/unit/image/v2/test_image.py b/openstackclient/tests/unit/image/v2/test_image.py
index e1a79d13..301cd037 100644
--- a/openstackclient/tests/unit/image/v2/test_image.py
+++ b/openstackclient/tests/unit/image/v2/test_image.py
@@ -780,6 +780,52 @@ class TestImageList(TestImage):
         )
 
 
+class TestListImageProjects(TestImage):
+
+    project = identity_fakes.FakeProject.create_one_project()
+    _image = image_fakes.FakeImage.create_one_image()
+    member = image_fakes.FakeImage.create_one_image_member(
+        attrs={'image_id': _image.id,
+               'member_id': project.id}
+    )
+
+    columns = (
+        "Image ID",
+        "Member ID",
+        "Status"
+    )
+
+    datalist = ((
+        _image.id,
+        member.member_id,
+        member.status,
+    ))
+
+    def setUp(self):
+        super(TestListImageProjects, self).setUp()
+
+        self.images_mock.get.return_value = self._image
+        self.image_members_mock.list.return_value = self.datalist
+
+        self.cmd = image.ListImageProjects(self.app, None)
+
+    def test_image_member_list(self):
+        arglist = [
+            self._image.id
+        ]
+        verifylist = [
+            ('image', self._image.id)
+        ]
+        parsed_args = self.check_parser(self.cmd, arglist, verifylist)
+
+        columns, data = self.cmd.take_action(parsed_args)
+
+        self.image_members_mock.list.assert_called_with(self._image.id)
+
+        self.assertEqual(self.columns, columns)
+        self.assertEqual(len(self.datalist), len(tuple(data)))
+
+
 class TestRemoveProjectImage(TestImage):
 
     project = identity_fakes.FakeProject.create_one_project()