Set min length validation to 0 for Bootstrap token

Author: Amulyam24

bootstrap/kubeadm/api/v1beta1/kubeadm_types.go

@@ -585,7 +585,7 @@ type BootstrapTokenDiscovery struct {
 	// token is a token used to validate cluster information
 	// fetched from the control-plane.
 	// +required
-	// +kubebuilder:validation:MinLength=1
+	// +kubebuilder:validation:MinLength=0
 	// +kubebuilder:validation:MaxLength=512
 	Token string `json:"token"`
 

bootstrap/kubeadm/api/v1beta2/kubeadm_types.go

@@ -628,7 +628,7 @@ type Discovery struct {
 type BootstrapTokenDiscovery struct {
 	// token is a token used to validate cluster information
 	// fetched from the control-plane.
-	// +required
+	// +optional
 	// +kubebuilder:validation:MinLength=1
 	// +kubebuilder:validation:MaxLength=512
 	Token string `json:"token"`