Add an optional parameter --detail

This patch appends th --detail parameter to the ``stores-info``
command. With sufficient permissions, display additional
information about the stores.

Depends-On: https://review.opendev.org/c/openstack/glance/+/824438
Change-Id: I6ae08ab3eaab0c2b118aa7607246214b28025dfe

3 files changed, 63 insertions, 4 deletions

diff --git a/glanceclient/tests/unit/v2/test_shell_v2.py b/glanceclient/tests/unit/v2/test_shell_v2.py
index 83c4727..a96c70e 100644
--- a/glanceclient/tests/unit/v2/test_shell_v2.py
+++ b/glanceclient/tests/unit/v2/test_shell_v2.py
@@ -150,8 +150,44 @@ class ShellV2Test(testtools.TestCase):
         ]
     }
 
+    stores_info_detail_response = {
+        "stores": [
+            {
+                "default": "true",
+                "id": "ceph1",
+                "type": "rbd",
+                "description": "RBD backend for glance.",
+                "properties": {
+                    "pool": "pool1",
+                    "chunk_size": "4"
+                }
+            },
+            {
+                "id": "file2",
+                "type": "file",
+                "description": "Filesystem backend for glance.",
+                "properties": {}
+            },
+            {
+                "id": "file1",
+                "type": "file",
+                "description": "Filesystem backend for gkance.",
+                "properties": {}
+            },
+            {
+                "id": "ceph2",
+                "type": "rbd",
+                "description": "RBD backend for glance.",
+                "properties": {
+                    "pool": "pool2",
+                    "chunk_size": "4"
+                }
+            }
+        ]
+    }
+
     def test_do_stores_info(self):
-        args = []
+        args = self._make_args({'detail': False})
         with mock.patch.object(self.gc.images,
                                'get_stores_info') as mocked_list:
             mocked_list.return_value = self.stores_info_response
@@ -166,7 +202,7 @@ class ShellV2Test(testtools.TestCase):
     def test_neg_stores_info(
             self, mock_stdin, mock_utils_exit):
         expected_msg = ('Multi Backend support is not enabled')
-        args = []
+        args = self._make_args({'detail': False})
         mock_utils_exit.side_effect = self._mock_utils_exit
         with mock.patch.object(self.gc.images,
                                'get_stores_info') as mocked_info:
@@ -178,6 +214,18 @@ class ShellV2Test(testtools.TestCase):
                 pass
         mock_utils_exit.assert_called_once_with(expected_msg)
 
+    def test_do_stores_info_with_detail(self):
+        args = self._make_args({'detail': True})
+        with mock.patch.object(self.gc.images,
+                               'get_stores_info_detail') as mocked_list:
+            mocked_list.return_value = self.stores_info_detail_response
+
+            test_shell.do_stores_info(self.gc, args)
+
+            mocked_list.assert_called_once_with()
+            utils.print_dict.assert_called_once_with(
+                self.stores_info_detail_response)
+
     @mock.patch('sys.stderr')
     def test_image_create_missing_disk_format(self, __):
         e = self.assertRaises(exc.CommandError, self._run_command,
diff --git a/glanceclient/v2/images.py b/glanceclient/v2/images.py
index b412c42..eeb5ee1 100644
--- a/glanceclient/v2/images.py
+++ b/glanceclient/v2/images.py
@@ -323,6 +323,13 @@ class Controller(object):
         return body, resp
 
     @utils.add_req_id_to_object()
+    def get_stores_info_detail(self):
+        """Get available stores info from discovery endpoint."""
+        url = '/v2/info/stores/detail'
+        resp, body = self.http_client.get(url)
+        return body, resp
+
+    @utils.add_req_id_to_object()
     def delete_from_store(self, store_id, image_id):
         """Delete image data from specific store."""
         url = ('/v2/stores/%(store)s/%(image)s' % {'store': store_id,
diff --git a/glanceclient/v2/shell.py b/glanceclient/v2/shell.py
index 5f83bd2..3037d72 100644
--- a/glanceclient/v2/shell.py
+++ b/glanceclient/v2/shell.py
@@ -574,11 +574,15 @@ def do_import_info(gc, args):
     else:
         utils.print_dict(import_info)
 
-
+@utils.arg('--detail', default=False, action='store_true',
+           help='Shows details of stores. Admin only.')
 def do_stores_info(gc, args):
     """Print available backends from Glance."""
     try:
-        stores_info = gc.images.get_stores_info()
+        if args.detail:
+            stores_info = gc.images.get_stores_info_detail()
+        else:
+            stores_info = gc.images.get_stores_info()
     except exc.HTTPNotFound:
         utils.exit('Multi Backend support is not enabled')
     else: