Remove non-kubeadm deployment (#3811)

* Remove non-kubeadm deployment

* More cleanup

* More cleanup

* More cleanup

* More cleanup

* Fix gitlab

* Try stop gce first before absent to make the delete process work

* More cleanup

* Fix bug with checking if kubeadm has already run

* Fix bug with checking if kubeadm has already run

* More fixes

* Fix test

* fix

* Fix gitlab checkout untill kubespray 2.8 is on quay

* Fixed

* Add upgrade path from non-kubeadm to kubeadm. Revert ssl path

* Readd secret checking

* Do gitlab checks from v2.7.0 test upgrade path to 2.8.0

* fix typo

* Fix CI jobs to kubeadm again. Fix broken hyperkube path

* Fix gitlab

* Fix rotate tokens

* More fixes

* More fixes

* Fix tokens

tests/files/gce_ubuntu-flannel-ha.yml

@@ -6,7 +6,7 @@ mode: ha
 
 # Deployment settings
 kube_network_plugin: flannel
-kubeadm_enabled: false
+kubeadm_enabled: true
 skip_non_kubeadm_warning: true
 deploy_netchecker: true
 dns_min_replicas: 1