Issue #481: Updated validate_idrac_vars.yml

Signed-off-by: abhishek-s-a <a_sa@dellteam.com>

control_plane/roles/control_plane_repo/tasks/validate_idrac_vars.yml

@@ -26,7 +26,7 @@
 
 - name: Read poweredge_model file
   command: cat {{ role_path }}/files/poweredge_models.txt
-  ignore_errors: yes
+  failed_when: false
   register: poweredge_models_file_output
   changed_when: false
 
@@ -38,4 +38,4 @@
     success_msg: "{{ poweredge_model_success_msg }}"
     fail_msg: "{{ poweredge_model_fail_msg }}"
   when: firmware_update_required
-  with_items: "{{ poweredge_model.split(',') | map('trim') }}"
+  with_items: "{{ poweredge_model.split(',') | map('trim') }}"