Print the value of ntp_service_install.

tasks/main.yml

@@ -1,25 +1,32 @@
 ---
+- name: Display the value of ntp_service_install
+  ansible.builtin.debug:
+    msg: "ntp_service_install: {{ ntp_service_install }}"
+
 - block:
   - name: Install the ntp server
     apt: pkg=ntp state=present cache_valid_time=3600
+    when: ntp_service_install
 
   - name: Install the ntp configuration.
     template: src=ntp.conf.j2 dest=/etc/ntp.conf owner=root group=root mode=0644
+    when: ntp_service_install
     notify: Restart the ntp server
 
   - name: Ensure that the ntp server is running
     service: name=ntp state=started enabled=yes
-    when: ntp_service_enabled
+    when:
+      - ntp_service_install
+      - ntp_service_enabled
 
   - name: Ensure that the ntp package is not installed
     ansible.builtin.apt:
       pkg: ntp
       state: absent
-    when: not ntp_service_enabled
+    when: not ntp_service_install
 
   when:
     - ansible_distribution_file_variety == "Debian"
-    - ntp_service_install
   tags: [ 'packages', 'ntp' ]
 
 - block: