* Enable configuring mountOptions, reclaimPolicy and volumeBindingMode for cinder-csi StorageClasses
* Check if class.mount_options is defined at all, before generating the option list
Update checksum for kubeadm
Use v1.9.0 kubeadm params
Include hash of ca.crt for kubeadm join
Update tag for testing upgrades
Add workaround for testing upgrades
Remove scale CI scenarios because of slow inventory parsing
in ansible 2.4.x.
Change region for tests to us-central1 to
improve ansible performance
Alexander
Xavi
Sebastian Söderqvist
Matthew Mosesohn
Stanislav Makar