Add lock type flags for controller-manager leadership election

pkg/apis/componentconfig/types.go

@@ -685,6 +685,9 @@ type LeaderElectionConfiguration struct {
 	// acquisition and renewal of a leadership. This is only applicable if
 	// leader election is enabled.
 	RetryPeriod metav1.Duration
+	// LockType indicates the type of locking to use for leadership election.
+	// Supported options are `endpoints` (default) and `configmap`.
+	LockType string
 }
 
 type KubeControllerManagerConfiguration struct {

pkg/apis/componentconfig/v1alpha1/types.go

@@ -233,6 +233,9 @@ type LeaderElectionConfiguration struct {
 	// acquisition and renewal of a leadership. This is only applicable if
 	// leader election is enabled.
 	RetryPeriod metav1.Duration `json:"retryPeriod"`
+	// LockType indicates the type of locking to use for leadership election.
+	// Supported options are `endpoints` (default) and `configmap`.
+	LockType string
 }
 
 // A configuration field should go in KubeletFlags instead of KubeletConfiguration if any of these are true:

pkg/apis/componentconfig/v1alpha1/zz_generated.conversion.go

@@ -814,6 +814,7 @@ func autoConvert_v1alpha1_LeaderElectionConfiguration_To_componentconfig_LeaderE
 	out.LeaseDuration = in.LeaseDuration
 	out.RenewDeadline = in.RenewDeadline
 	out.RetryPeriod = in.RetryPeriod
+	out.LockType = in.LockType
 	return nil
 }
 
@@ -829,6 +830,7 @@ func autoConvert_componentconfig_LeaderElectionConfiguration_To_v1alpha1_LeaderE
 	out.LeaseDuration = in.LeaseDuration
 	out.RenewDeadline = in.RenewDeadline
 	out.RetryPeriod = in.RetryPeriod
+	out.LockType = in.LockType
 	return nil
 }