fix/ansible-core 2.19: ntp_timezone implicit string -> bool (#13469)

roles/kubernetes/preinstall/tasks/0081-ntp-configurations.yml

@@ -64,44 +64,41 @@
     state: started
     enabled: true
 
-- name: Ensure tzdata package
-  package:
-    name:
-      - tzdata
-    state: present
-  when:
-    - ntp_timezone
-    - not is_fedora_coreos
-    - ansible_facts['os_family'] not in ["Flatcar", "Flatcar Container Linux by Kinvolk"]
+- name: Configure NTP timezone
+  when: ntp_timezone != ""
+  block:
+    - name: Ensure tzdata package
+      package:
+        name:
+          - tzdata
+        state: present
+      when:
+        - not is_fedora_coreos
+        - ansible_facts['os_family'] not in ["Flatcar", "Flatcar Container Linux by Kinvolk"]
 
-- name: Gather selinux facts
-  ansible.builtin.setup:
-    gather_subset: selinux
-  when:
-    - ntp_timezone
-    - ansible_facts['os_family'] == "RedHat"
+    - name: Gather selinux facts
+      ansible.builtin.setup:
+        gather_subset: selinux
+      when:
+        - ansible_facts['os_family'] == "RedHat"
 
-- name: Put SELinux in permissive mode, logging actions that would be blocked.
-  ansible.posix.selinux:
-    policy: targeted
-    state: permissive
-  when:
-    - ntp_timezone
-    - ansible_facts['os_family'] == "RedHat"
-    - ansible_facts.selinux.status == 'enabled'
-    - ansible_facts.selinux.mode == 'enforcing'
+    - name: Put SELinux in permissive mode, logging actions that would be blocked.
+      ansible.posix.selinux:
+        policy: targeted
+        state: permissive
+      when:
+        - ansible_facts['os_family'] == "RedHat"
+        - ansible_facts.selinux.status == 'enabled'
+        - ansible_facts.selinux.mode == 'enforcing'
 
-- name: Set ntp_timezone
-  community.general.timezone:
-    name: "{{ ntp_timezone }}"
-  when:
-    - ntp_timezone
+    - name: Set ntp_timezone
+      community.general.timezone:
+        name: "{{ ntp_timezone }}"
 
-- name: Re-enable SELinux
-  ansible.posix.selinux:
-    policy: targeted
-    state: "{{ preinstall_selinux_state }}"
-  when:
-    - ntp_timezone
-    - ansible_facts['os_family'] == "RedHat"
-    - ansible_facts.selinux.status == 'enabled'
+    - name: Re-enable SELinux
+      ansible.posix.selinux:
+        policy: targeted
+        state: "{{ preinstall_selinux_state }}"
+      when:
+        - ansible_facts['os_family'] == "RedHat"
+        - ansible_facts.selinux.status == 'enabled'