Fix api v2 so that you can delete more than one volume_type at a time.

This path is also allowing us to delete them by name or ID
instead of only by ID.
eg:  cinder --os-volume-api-version 2 type-delete test01 test02

Closes-bug: #1554794
Change-Id: I54faad2c5b60ab69f4b406310eb8059cf1e8cf76

cinderclient/tests/unit/v2/fakes.py

@@ -688,6 +688,12 @@ class FakeHTTPClient(base_client.HTTPClient):
     def delete_types_1(self, **kw):
         return (202, {}, None)
 
+    def delete_types_3_extra_specs_k(self, **kw):
+        return(204, {}, None)
+
+    def delete_types_3(self, **kw):
+        return (202, {}, None)
+
     def put_types_1(self, **kw):
         return self.get_types_1()
 

cinderclient/tests/unit/v2/test_shell.py

@@ -713,6 +713,15 @@ class ShellTest(utils.TestCase):
         self.assert_called('POST', '/types/3/action',
                            body=expected)
 
+    def test_type_delete(self):
+        self.run_command('type-delete 1')
+        self.assert_called('DELETE', '/types/1')
+
+    def test_type_delete_multiple(self):
+        self.run_command('type-delete 1 3')
+        self.assert_called_anytime('DELETE', '/types/1')
+        self.assert_called('DELETE', '/types/3')
+
     def test_encryption_type_list(self):
         """
         Test encryption-type-list shell command.

cinderclient/v2/shell.py

@@ -937,13 +937,25 @@ def do_type_create(cs, args):
     _print_volume_type_list([vtype])
 
 
-@utils.arg('id',
-           metavar='<id>',
-           help='ID of volume type to delete.')
+@utils.arg('vol_type',
+           metavar='<vol_type>', nargs='+',
+           help='Name or ID of volume type or types to delete.')
 @utils.service_type('volumev2')
 def do_type_delete(cs, args):
-    """Deletes a volume type."""
-    cs.volume_types.delete(args.id)
+    """Deletes volume type or types."""
+    failure_count = 0
+    for vol_type in args.vol_type:
+        try:
+            vtype = _find_volume_type(cs, vol_type)
+            cs.volume_types.delete(vtype)
+            print("Request to delete volume type %s has been accepted."
+                  % (vol_type))
+        except Exception as e:
+            failure_count += 1
+            print("Delete for volume type %s failed: %s" % (vol_type, e))
+    if failure_count == len(args.vol_type):
+        raise exceptions.CommandError("Unable to delete any of the "
+                                      "specified types.")
 
 
 @utils.arg('vtype',