'when: X' -> 'when: X | bool' for Ansibl 2.8

roles/kiwix/tasks/kiwix_install.yml

@@ -47,7 +47,7 @@
     owner: root
     group: root
     force: no
-  when: kiwix_force_install
+  when: kiwix_force_install | bool
 
 - name: Create {{ kiwix_path }}/bin directory    # /opt/iiab/kiwix/bin
   file:
@@ -65,11 +65,11 @@
     dest: /tmp
     owner: root
     group: root
-  when: kiwix_force_install
+  when: kiwix_force_install | bool
 
 - name: Move /tmp/{{ kiwix_src_dir }}/* to permanent location /opt/iiab/kiwix/bin (armhf & linux64 & i686)
   shell: "mv /tmp/{{ kiwix_src_dir }}/* {{ kiwix_path }}/bin/"
-  when: kiwix_force_install
+  when: kiwix_force_install | bool
 
 # 3. ENABLE MODS FOR APACHE PROXY IF DEBUNTU
 
@@ -81,7 +81,7 @@
   - proxy_html
   - proxy_http
   - rewrite
-  when: is_debuntu
+  when: is_debuntu | bool
 
 # 4. CREATE/ENABLE/RESTART (OR DISABLE) KIWIX SERVICE & ITS CRON JOB
 
@@ -106,14 +106,14 @@
     src: /etc/apache2/sites-available/kiwix.conf
     path: /etc/apache2/sites-enabled/kiwix.conf
     state: link
-  when: is_debuntu
+  when: is_debuntu | bool
 
 - name: Enable & Restart 'kiwix-serve' service
   service:
     name: kiwix-serve
     enabled: yes
     state: restarted
-  when: kiwix_enabled
+  when: kiwix_enabled | bool
 
 - name: Disable 'kiwix-serve' service
   service:

roles/kiwix/tasks/main.yml

@@ -28,7 +28,7 @@
     url: "{{ iiab_download_url }}/{{ kiwix_src_file }}"
     dest: "{{ downloads_dir }}/{{ kiwix_src_file }}"
     timeout: "{{ download_timeout }}"
-  when: internet_available
+  when: internet_available | bool
 
 - name: Check for /opt/iiab/downloads/{{ kiwix_src_file }}
   stat: