Unable to pull images on Kubernetes v1.10.2: Error: unknown flag: --config

[tstromberg]

On v0.35.0:

Command: /usr/local/bin/minikube start --cpus=4 --memory=4096 --disk-size=30g --vm-driver=hyperkit --kubernetes-version=v1.10.12 --extra-config=apiserver.authorization-mode=RBAC

Output:

❌  Unable to pull images, which may be OK: running cmd: sudo kubeadm config images pull --config /var/lib/kubeadm.yaml: command failed: sudo kubeadm config images pull --config /var/lib/kubeadm.yaml
stdout: 
stderr: Error: unknown flag: --config
Usage:

It seems that we need some logic to invoke the command-line differently in older versions of Kubernetes.