CertificatesReconciler reconciles a Machine's certificates.

CK8sConfigReconciler reconciles a CK8sConfig object.

InPlaceUpgradeReconciler reconciles machines and performs in-place upgrades based on annotations.

MachineDeploymentReconciler reconciles a MachineDeployment object and manages the in-place upgrades.

MachineDeploymentUpgradeScope is a struct that holds the context of the upgrade process.

InitLocker is a lock that is used around control plane init.

MachineGetter is an interface that defines the methods a MachineDeploymentReconciler uses to get machines.