Cluster V1: added feature gates & admission controllers at kubernetes options

pkg/v1/cluster/doc.go

@@ -58,12 +58,18 @@ Example of creating a new cluster
 
 Example of updating an existing cluster
 
-  updateOpts := &cluster.UpdateOpts{
-    MaintenanceWindowStart: "07:00:00",
-    KubernetesOptions: &cluster.KubernetesOptions{
-        EnablePodSecurityPolicy: false,
-    },
-  }
+	updateOpts := &cluster.UpdateOpts{
+		MaintenanceWindowStart: "07:00:00",
+		KubernetesOptions: &cluster.KubernetesOptions{
+			EnablePodSecurityPolicy: false,
+			FeatureGates: []string{
+				"BoundServiceAccountTokenVolume",
+			},
+			AdmissionControllers: []string{
+				"NamespaceLifecycle",
+			},
+		},
+	}
   mksCluster, _, err := cluster.Update(ctx, mksClient, clusterID, updateOpts)
   if err != nil {
     log.Fatal(err)

pkg/v1/cluster/requests_opts.go

@@ -48,7 +48,7 @@ type CreateOpts struct {
 	Zonal *bool `json:"zonal,omitempty"`
 
 	// KubernetesOptions represents additional k8s options such as pod security policy,
-	// feature gates and etc.
+	// feature gates (Alpha stage only) and admission controllers.
 	KubernetesOptions *KubernetesOptions `json:"kubernetes_options,omitempty"`
 }
 
@@ -67,6 +67,6 @@ type UpdateOpts struct {
 	EnablePatchVersionAutoUpgrade *bool `json:"enable_patch_version_auto_upgrade,omitempty"`
 
 	// KubernetesOptions represents additional k8s options such as pod security policy,
-	// feature gates and etc.
+	// feature gates (Alpha stage only) and admission controllers.
 	KubernetesOptions *KubernetesOptions `json:"kubernetes_options,omitempty"`
 }

pkg/v1/cluster/schemas.go

@@ -93,7 +93,7 @@ type View struct {
 	Zonal bool `json:"zonal"`
 
 	// KubernetesOptions represents additional k8s options such as pod security policy,
-	// feature gates and etc.
+	// feature gates (Alpha stage only) and admission controllers.
 	KubernetesOptions *KubernetesOptions `json:"kubernetes_options,omitempty"`
 }
 
@@ -150,9 +150,13 @@ func (result *View) UnmarshalJSON(b []byte) error {
 }
 
 // KubernetesOptions represents additional k8s options such as pod security policy,
-// feature gates and etc.
+// feature gates (Alpha stage only) and admission controllers.
 type KubernetesOptions struct {
 	// EnablePodSecurityPolicy indicates if PodSecurityPolicy admission controller
 	// must be turned on/off.
 	EnablePodSecurityPolicy bool `json:"enable_pod_security_policy"`
+	// FeatureGates represents feature gates that should be enabled.
+	FeatureGates []string `json:"feature_gates"`
+	// AdmissionControllers represents admission controllers that should be enabled.
+	AdmissionControllers []string `json:"admission_controllers"`
 }