Fix unintended SIGPIPE (kubernetes-sigs#6817)

properly generate extravolumes in kubeadmconfig for centos (kubernete…

…s-sigs#6707)

Add Kubernetes hashes 1.18.9/1.17.12 and set default (kubernetes-sigs…

…#6701)

[2.12] Add 1.16.14 and 1.16.15 support (kubernetes-sigs#6583)

* Use k8s.gcr.io for kubernetes related images (kubernetes-sigs#5764)

* Use k8s.gcr.io for kubernetes related images

* Use k8s.gcr.io in inventory sample

* [2.12] Update hashes and set default version to 1.16.14

* [2.12] Update hashes and set default version to 1.16.15

Co-authored-by: Florent Monbillard <f.monbillard@gmail.com>

Cleanup v1.16 hashes (kubernetes-sigs#6635)

Update base image to v2.12.9 (kubernetes-sigs#6492)

fix test if openstack_cacert is a base64 string (kubernetes-sigs#6371)

[2.12] Update hashes and set default version to 1.16.13 (kubernetes-s…

…igs#6477)

* Move healthz check to secure ports (kubernetes-sigs#6446) (kubernetes-sigs#6457)

* Update hashes and set default version to 1.16.13

Update hashes and set default to 1.17.7 (kubernetes-sigs#6286)

Update hashes and set default to 1.16.11 (kubernetes-sigs#6287)