Issue #722: Updated main.yml

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

roles/cluster_validation/tasks/main.yml

@@ -93,4 +93,8 @@
         regexp: '#log_path = /var/log/ansible.log'
         replace: 'log_path = /var/log/omnia.log'
       when: ansible_conf_exists.stat.exists
-  when: not control_plane_status
+  when: not control_plane_status
+
+- name: Fetch grafana credentials
+  include_tasks: fetch_grafana_cred.yml
+  when: control_plane_status