Merge "Adding command for copying backups"

troveclient/tests/test_backups.py

@@ -74,6 +74,14 @@ class BackupManagerTest(testtools.TestCase):
         self.backups.create(**args)
         create_mock.assert_called_with('/backups', body, 'backup')
 
+    def test_copy(self):
+        create_mock = mock.Mock()
+        self.backups._create = create_mock
+        args = {'name': 'test_backup', 'backup': '1'}
+        body = {'backup': args}
+        self.backups.create(**args)
+        create_mock.assert_called_with('/backups', body, 'backup')
+
     def test_list(self):
         page_mock = mock.Mock()
         self.backups._paginated = page_mock

troveclient/v1/backups.py

@@ -50,14 +50,19 @@ class Backups(base.ManagerWithFind):
         return self._paginated("/backups", "backups", limit, marker,
                                query_strings)
 
-    def create(self, name, instance, description=None, parent_id=None):
+    def create(self, name, instance=None, description=None, parent_id=None,
+               backup=None,):
         """Create a new backup from the given instance."""
         body = {
             "backup": {
-                "name": name,
-                "instance": instance
+                "name": name
             }
         }
+
+        if instance:
+            body['backup']['instance'] = instance
+        if backup:
+            body["backup"]['backup'] = backup
         if description:
             body['backup']['description'] = description
         if parent_id:

troveclient/v1/shell.py

@@ -396,6 +396,30 @@ def do_backup_create(cs, args):
     _print_instance(backup)
 
 
+@utils.arg('name', metavar='<name>', help='Name of the backup.')
+@utils.arg('backup', metavar='<backup>',
+           help='Backup ID of the source backup.',
+           default=None)
+@utils.arg('--region', metavar='<region>', help='Region where the source '
+                                                'backup resides.',
+           default=None)
+@utils.arg('--description', metavar='<description>',
+           default=None,
+           help='An optional description for the backup.')
+@utils.service_type('database')
+def do_backup_copy(cs, args):
+    """Creates a backup from another backup."""
+    if args.backup:
+        backup_ref = {"id": args.backup,
+                      "region": args.region}
+    else:
+        backup_ref = None
+    backup = cs.backups.create(args.name, instance=None,
+                               description=args.description,
+                               parent_id=None, backup=backup_ref,)
+    _print_instance(backup)
+
+
 # Database related actions
 
 @utils.arg('instance', metavar='<instance>', help='ID of the instance.')