# Variables
DefaultTokenTTL is the amount of time a bootstrap token (and therefore a KubeadmConfig) will be valid.
# Structs
ClusterSecretsClientFactory support creation of secrets client for clusters.
KubeadmConfigReconciler reconciles a KubeadmConfig object.
# Interfaces
InitLocker is a lock that is used around kubeadm init.
SecretsClientFactory define behaviour for creating a secrets client.