Validate [validation] ssh_key_type at config layer
... instead of documenting allowed values in the description, to give
more explicit feedback to an unsupported value.
Change-Id: I22d526635e86708f37cce023f0f66c1f6a95e6a2
diff --git a/tempest/config.py b/tempest/config.py
index 0a084ea..8480c5f 100644
--- a/tempest/config.py
+++ b/tempest/config.py
@@ -930,8 +930,8 @@
"connect_method=floating."),
cfg.StrOpt('ssh_key_type',
default='ecdsa',
- help='Type of key to use for ssh connections. '
- 'Valid types are rsa, ecdsa'),
+ choices=['ecdsa', 'rsa'],
+ help='Type of key to use for ssh connections.'),
cfg.FloatOpt('allowed_network_downtime',
default=5.0,
help="Allowed VM network connection downtime during live "