added nfs_server vars for manager & nfs node

Signed-off-by: blesson-james <blesson_james@Dellteam.com>

roles/k8s_start_services/vars/main.yml

@@ -61,9 +61,9 @@ k8s_dashboard_yaml_url: https://raw.githubusercontent.com/kubernetes/dashboard/v
 
 helm_stable_repo_url: https://charts.helm.sh/stable
 
-nfs_server: "{{ ansible_host }}"
+nfs_server_manager_node: "{{ ansible_host }}"
 
-nfs_path: /home/k8snfs
+nfs_server_nfs_node: "{{ groups['nfs_node'][0] }}"
 
 mpi_operator_yaml_url: https://raw.githubusercontent.com/kubeflow/mpi-operator/master/deploy/v1alpha2/mpi-operator.yaml
 
@@ -93,4 +93,4 @@ spark_operator_repo: https://googlecloudplatform.github.io/spark-on-k8s-operator
 
 operator_image_tag: v1beta2-1.2.3-3.1.1
 
-volcano_scheduling_yaml_url: https://raw.githubusercontent.com/volcano-sh/volcano/v1.3.0/installer/volcano-development.yaml
+volcano_scheduling_yaml_url: https://raw.githubusercontent.com/volcano-sh/volcano/v1.3.0/installer/volcano-development.yaml