* Allow the eventRecordQPS setting to be set.

The eventRecordQPS parameter controls rate limiting for event recording. When zero, unlimited events can cause denial-of-service situations. For my situation, I don't need more than a setting of "5". This change allows me to configure the setting before creating the cluster.

* Allow the eventRecordQPS setting to be set.

The default settings (see types.go) is five. So, this change does not affect the cluster provisioning. However, it does allow for the setting to be changed.

* Fix reserved memory unit in kubelet configuration

Signed-off-by: Wang Zhen <lazybetrayer@gmail.com>

* Move systemReserved default values from template

Signed-off-by: Wang Zhen <lazybetrayer@gmail.com>

* Rotate kubelet server certificate.

* CI test kubelet server cert rotation

* Approve kubelet serving certificates in tests.

* Introduce kubelet_config_extra_args and kubelet_node_config_extra_args to pass params to kubelet via YAML config

* kubelet_config_extra_args is not the alternative

Change-Id: I1634ba2d2d3337243ffcdea86750003a559f2576

Signed-off-by: Robin Elfrink <robin.elfrink@eu.equinix.com>

* Add kubelet config

* Change kubelet_authorization_mode_webhook to true

* Fix lint

* Sync env file

* Refactor the kubernetes node folder

* Remove deprecated flag and fix lint