Fixing cordoning condition that cause fail for upgrading the cluster

roles/upgrade/pre-upgrade/tasks/main.yml

@@ -7,11 +7,11 @@
 
 - set_fact:
     needs_cordoning: >-
-      {% if " Ready" in kubectl_nodes.stdout %}
+      {% if " Ready" in kubectl_nodes.stdout -%}
       true
-      {% else %}
+      {%- else -%}
       false
-      {% endif %}
+      {%- endif %}
 
 - name: Cordon node
   command: "{{ bin_dir }}/kubectl cordon {{ inventory_hostname }}"