Fix all_tenants doesn't work for group list

all_tenants is forgotten to pass by group list.

This patch fixed it.

Change-Id: I419430e929038c35747c59600be83f2e2d084802
Closes-bug: #1671293

cinderclient/tests/unit/v3/test_shell.py

@@ -236,6 +236,11 @@ class ShellTest(utils.TestCase):
         self.run_command('--os-volume-api-version 3.13 group-list')
         self.assert_called_anytime('GET', '/groups/detail')
 
+    def test_group_list__with_all_tenant(self):
+        self.run_command(
+            '--os-volume-api-version 3.13 group-list --all-tenants')
+        self.assert_called_anytime('GET', '/groups/detail?all_tenants=1')
+
     def test_group_show(self):
         self.run_command('--os-volume-api-version 3.13 '
                          'group-show 1234')

cinderclient/v3/shell.py

@@ -753,11 +753,13 @@ def do_manageable_list(cs, args):
            nargs='?',
            type=int,
            const=1,
-           default=0,
+           default=utils.env('ALL_TENANTS', default=0),
            help='Shows details for all tenants. Admin only.')
 def do_group_list(cs, args):
     """Lists all groups."""
-    groups = cs.groups.list()
+    search_opts = {'all_tenants': args.all_tenants}
+
+    groups = cs.groups.list(search_opts=search_opts)
 
     columns = ['ID', 'Status', 'Name']
     utils.print_list(groups, columns)