kubernetes/cmd/kubeadm/app/cmd/phases/init/markcontrolplane.go

var markControlPlaneExample …

// NewMarkControlPlanePhase creates a kubeadm workflow phase that implements mark-controlplane checks.
func NewMarkControlPlanePhase() workflow.Phase { … }

// runMarkControlPlane executes mark-control-plane checks logic.
func runMarkControlPlane(c workflow.RunData) error { … }