feat: add a new feature for fleet registration via cluster update in …

…v1alpha1, v1beta1, v1

PiperOrigin-RevId: 529516002

google/container/v1beta1/cluster_service.proto

@@ -1178,6 +1178,9 @@ message AddonsConfig {
 
   // Configuration for the Backup for GKE agent addon.
   GkeBackupAgentConfig gke_backup_agent_config = 16;
+
+  // Configuration for the Cloud Storage Fuse CSI driver.
+  GcsFuseCsiDriverConfig gcs_fuse_csi_driver_config = 17;
 }
 
 // Configuration options for the HTTP (L7) load balancing controller addon,
@@ -1249,6 +1252,12 @@ message GcpFilestoreCsiDriverConfig {
   bool enabled = 1;
 }
 
+// Configuration for the Cloud Storage Fuse CSI driver.
+message GcsFuseCsiDriverConfig {
+  // Whether the Cloud Storage Fuse CSI driver is enabled for this cluster.
+  bool enabled = 1;
+}
+
 // Configuration for controlling master global access settings.
 message PrivateClusterMasterGlobalAccessConfig {
   // Whenever master is accessible globally or not.
@@ -2316,6 +2325,9 @@ message ClusterUpdate {
   // The desired node pool logging configuration defaults for the cluster.
   NodePoolLoggingConfig desired_node_pool_logging_config = 116;
 
+  // The desired fleet configuration for the cluster.
+  Fleet desired_fleet = 117;
+
   // The desired stack type of the cluster.
   // If a stack type is provided and does not match the current stack type of
   // the cluster, update will attempt to change the stack type to the new type.