Do not use ‘yes/no’ for boolean values (#11472)

Consistent boolean values in ansible playbooks

roles/kubernetes/preinstall/tasks/0090-etchosts.yml

@@ -11,17 +11,17 @@
       {% endfor %}
   delegate_to: localhost
   connection: local
-  delegate_facts: yes
-  run_once: yes
+  delegate_facts: true
+  run_once: true
 
 - name: Hosts | populate inventory into hosts file
   blockinfile:
     path: /etc/hosts
     block: "{{ hostvars.localhost.etc_hosts_inventory_block }}"
     state: "{{ 'present' if populate_inventory_to_hosts_file else 'absent' }}"
-    create: yes
-    backup: yes
-    unsafe_writes: yes
+    create: true
+    backup: true
+    unsafe_writes: true
     marker: "# Ansible inventory hosts {mark}"
     mode: "0644"
 
@@ -31,8 +31,8 @@
     regexp: ".*{{ apiserver_loadbalancer_domain_name }}$"
     line: "{{ loadbalancer_apiserver.address }} {{ apiserver_loadbalancer_domain_name }}"
     state: present
-    backup: yes
-    unsafe_writes: yes
+    backup: true
+    unsafe_writes: true
   when:
     - populate_loadbalancer_apiserver_to_hosts_file
     - loadbalancer_apiserver is defined
@@ -69,8 +69,8 @@
         line: "{{ item.key }} {{ item.value | join(' ') }}"
         regexp: "^{{ item.key }}.*$"
         state: present
-        backup: yes
-        unsafe_writes: yes
+        backup: true
+        unsafe_writes: true
       loop: "{{ etc_hosts_localhosts_dict_target | default({}) | dict2items }}"
 
 # gather facts to update ansible_fqdn