diff --git a/roles/kubernetes-apps/csi_driver/vsphere/defaults/main.yml b/roles/kubernetes-apps/csi_driver/vsphere/defaults/main.yml
index 0a4d02d96..549a88b46 100644
--- a/roles/kubernetes-apps/csi_driver/vsphere/defaults/main.yml
+++ b/roles/kubernetes-apps/csi_driver/vsphere/defaults/main.yml
@@ -34,4 +34,7 @@ unsafe_show_logs: false
 
 # https://github.com/kubernetes-sigs/vsphere-csi-driver/blob/master/docs/book/features/volume_snapshot.md#how-to-enable-volume-snapshot--restore-feature-in-vsphere-csi-
 # according to the above link , we can controler the block-volume-snapshot parameter
-vsphere_csi_block_volume_snapshot: false
\ No newline at end of file
+vsphere_csi_block_volume_snapshot: false
+
+external_vsphere_user: "{{ lookup('env','VSPHERE_USER') }}"
+external_vsphere_password: "{{ lookup('env','VSPHERE_PASSWORD') }}"