Chad Swenson 13e3e867ac Fix kubeadm config extra volumes
I found a potential use case where `writable` could be null and therfore
not treated like a boolean, so this adds an extra default statement to
avoid negating a non-boolean as boolean which would lead to undefined. refs #4020
2019-01-15 12:35:22 -06:00
..
2019-01-11 14:32:42 +08:00