5.4. Kuberenetes before 1.15

Opening Kubernetes Feature Gates

• This stage is only required for Kubernetes versions 1.13 – 1.14
  

Depending on the Kubernetes version some Feature Gates might require to be turned on manually

The following Feature Gates are required:

ExpandCSIVolumes=true
ExpandInUsePersistentVolumes=true
BlockVolume=true
CSIBlockVolume=true

• the —feature-gates argument should be added to the following Kubernetes Components:
  • apiserver (Kubernetes ConfigMap kubeadm-config or /etc/kubernetes/manifests/kube-apiserver.yaml)
  • controller-manager (Kubernetes ConfigMap kubeadm-config or /etc/kubernetes/manifests/kube-controller-manager.yaml)
  • scheduler (Kubernetes ConfigMap kubeadm-config or /etc/kubernetes/manifests/kube-scheduler.yaml)
  • kubelet (kubernetes ConfigMag kublet-config- or /etc/sysconfig/kubelet)
• Example of feature-gates argument
  --feature-gates=ExpandCSIVolumes=true,ExpandInUsePersistentVolumes=true,BlockVolume=true,CSIBlockVolume=true