support multi-delete for volume-type

Added the ability to delete multiple volume types at once. Note
there are no unit tests exist for v1 volume-types, so instead
a functional test was created.

Partial-Bug: #1592906
Change-Id: I99f3f22901ab35252b91a3072b14de7d19cb17ca

1 files changed, 23 insertions, 6 deletions

diff --git a/openstackclient/volume/v2/volume_type.py b/openstackclient/volume/v2/volume_type.py
index 5e9faa1d..87f4c547 100644
--- a/openstackclient/volume/v2/volume_type.py
+++ b/openstackclient/volume/v2/volume_type.py
@@ -92,22 +92,39 @@ class CreateVolumeType(command.ShowOne):
 
 
 class DeleteVolumeType(command.Command):
-    """Delete volume type"""
+    """Delete volume type(s)"""
 
     def get_parser(self, prog_name):
         parser = super(DeleteVolumeType, self).get_parser(prog_name)
         parser.add_argument(
-            "volume_type",
+            "volume_types",
             metavar="<volume-type>",
-            help=_("Volume type to delete (name or ID)")
+            nargs="+",
+            help=_("Volume type(s) to delete (name or ID)")
         )
         return parser
 
     def take_action(self, parsed_args):
         volume_client = self.app.client_manager.volume
-        volume_type = utils.find_resource(
-            volume_client.volume_types, parsed_args.volume_type)
-        volume_client.volume_types.delete(volume_type.id)
+        result = 0
+
+        for volume_type in parsed_args.volume_types:
+            try:
+                vol_type = utils.find_resource(volume_client.volume_types,
+                                               volume_type)
+
+                volume_client.volume_types.delete(vol_type)
+            except Exception as e:
+                result += 1
+                LOG.error(_("Failed to delete volume type with "
+                            "name or ID '%(volume_type)s': %(e)s")
+                          % {'volume_type': volume_type, 'e': e})
+
+        if result > 0:
+            total = len(parsed_args.volume_types)
+            msg = (_("%(result)s of %(total)s volume types failed "
+                   "to delete.") % {'result': result, 'total': total})
+            raise exceptions.CommandError(msg)
 
 
 class ListVolumeType(command.Lister):