reuse custom cluster arguments isnteead

Author: dannikay

src/xpk/commands/cluster.py

@@ -953,7 +953,7 @@ def update_coredns_if_necessary(args) -> int:
     0 if successful (CoreDNS was already present or successfully deployed),
     and 1 otherwise.
   """
-  if args.enable_cloud_dns:
+  if '--cluster-dns=clouddns' in args.custom_cluster_arguments:
     xpk_print('Skipping CoreDNS deployment since Cloud DNS is enabled.')
     return 0
   elif coredns_deployment_exists(args, namespace='kube-system'):
@@ -1134,9 +1134,6 @@ def run_gke_cluster_create_command(
   if args.enable_workload_identity or args.enable_gcsfuse_csi_driver:
     command += f' --workload-pool={args.project}.svc.id.goog'
 
-  if args.enable_cloud_dns:
-    command += f' --cluster-dns=clouddns'
-
   addons = []
   if args.enable_gcsfuse_csi_driver:
     addons.append('GcsFuseCsiDriver')

src/xpk/parser/cluster.py

@@ -715,11 +715,6 @@ def add_shared_cluster_create_optional_arguments(parser: ArgumentParser):
       action='store_true',
       help='Enable Workload Identity Federation on the cluster and node-pools.',
   )
-  parser.add_argument(
-      '--enable-cloud-dns',
-      action='store_true',
-      help='Enable Cloud DNS on the cluster and node-pools.',
-  )
   add_driver_arguments(parser)