Graduate TTLAfterFinished to beta

pkg/features/kube_features.go

@@ -731,7 +731,7 @@ var defaultKubernetesFeatureGates = map[featuregate.Feature]featuregate.FeatureS
 	SCTPSupport:                                    {Default: true, PreRelease: featuregate.GA, LockToDefault: true}, // remove in 1.22
 	VolumeSnapshotDataSource:                       {Default: true, PreRelease: featuregate.GA, LockToDefault: true}, // remove in 1.21
 	ProcMountType:                                  {Default: false, PreRelease: featuregate.Alpha},
-	TTLAfterFinished:                               {Default: false, PreRelease: featuregate.Alpha},
+	TTLAfterFinished:                               {Default: true, PreRelease: featuregate.Beta},
 	KubeletPodResources:                            {Default: true, PreRelease: featuregate.Beta},
 	LocalStorageCapacityIsolationFSQuotaMonitoring: {Default: false, PreRelease: featuregate.Alpha},
 	NonPreemptingPriority:                          {Default: true, PreRelease: featuregate.Beta},

plugin/pkg/auth/authorizer/rbac/bootstrappolicy/testdata/controller-role-bindings.yaml

@@ -476,6 +476,23 @@ items:
   - kind: ServiceAccount
     name: statefulset-controller
     namespace: kube-system
+- apiVersion: rbac.authorization.k8s.io/v1
+  kind: ClusterRoleBinding
+  metadata:
+    annotations:
+      rbac.authorization.kubernetes.io/autoupdate: "true"
+    creationTimestamp: null
+    labels:
+      kubernetes.io/bootstrapping: rbac-defaults
+    name: system:controller:ttl-after-finished-controller
+  roleRef:
+    apiGroup: rbac.authorization.k8s.io
+    kind: ClusterRole
+    name: system:controller:ttl-after-finished-controller
+  subjects:
+  - kind: ServiceAccount
+    name: ttl-after-finished-controller
+    namespace: kube-system
 - apiVersion: rbac.authorization.k8s.io/v1
   kind: ClusterRoleBinding
   metadata:

plugin/pkg/auth/authorizer/rbac/bootstrappolicy/testdata/controller-roles.yaml

@@ -1394,6 +1394,34 @@ items:
     - create
     - patch
     - update
+- apiVersion: rbac.authorization.k8s.io/v1
+  kind: ClusterRole
+  metadata:
+    annotations:
+      rbac.authorization.kubernetes.io/autoupdate: "true"
+    creationTimestamp: null
+    labels:
+      kubernetes.io/bootstrapping: rbac-defaults
+    name: system:controller:ttl-after-finished-controller
+  rules:
+  - apiGroups:
+    - batch
+    resources:
+    - jobs
+    verbs:
+    - delete
+    - get
+    - list
+    - watch
+  - apiGroups:
+    - ""
+    - events.k8s.io
+    resources:
+    - events
+    verbs:
+    - create
+    - patch
+    - update
 - apiVersion: rbac.authorization.k8s.io/v1
   kind: ClusterRole
   metadata: