library/roles/drupal-org: Defaults to False for all the steps. Add a cron job to run the maintenance tasks.

drupal-org/defaults/main.yml

@@ -1,5 +1,7 @@
 ---
+drupal_install: False
 drupal_install_deb: False
+drupal_maintenance_cron: False
 drupal_major: 8
 drupal_version: '{{ drupal_major_ver }}.1.7'
 drupal_dist_name: 'drupal-{{ drupal_version }}'
@@ -30,6 +32,6 @@ drupal_php_prereq:
   - php-xml-serializer
   - imagemagick
 
-drupal_install_drush: True
+drupal_install_drush: False
 drupal_drush_version: '{{ drupal_major }}.*'
 drupal_drush_download_url: 'https://s3.amazonaws.com/files.drush.org/drush.phar'

drupal-org/tasks/drupal-utility.yml

@@ -0,0 +1,26 @@
+---
+- block:
+    - name: Install a cron job that runs the maintenance tasks
+      cron: name="Drupal maintenance tasks"
+            minute=0
+            hour=4
+            job="curl https://{{ item.virthost }}/cron/OUznPey7M292D0YaTmLrdEKzA8yON3W7opBgrCZMMd0e5d4J8etqjqLOinD0Hs5s8rWa-Pk9mA?absolute=1"
+            user={{ item.user }}
+      with_items: '{{ phpfpm_pools }}'
+
+  when: drupal_maintenance_cron
+  tags: [ 'drupal', 'drupal_cron' ]
+
+- block:
+    - name: Remove the maintenance tasks cron job
+      cron: name="Drupal maintenance tasks"
+            minute=0
+            hour=4
+            job="curl https://{{ item.virthost }}/cron/OUznPey7M292D0YaTmLrdEKzA8yON3W7opBgrCZMMd0e5d4J8etqjqLOinD0Hs5s8rWa-Pk9mA?absolute=1"
+            user={{ item.user }}
+            state=absent
+      with_items: '{{ phpfpm_pools }}'
+
+  when: not drupal_maintenance_cron
+  tags: [ 'drupal', 'drupal_cron' ]
+

drupal-org/tasks/main.yml

@@ -1,4 +1,6 @@
 ---
 - include: drupal-main.yml
+  when: drupal_install
+- include: drupal-utility.yml
 - include: drush.yml
   when: drupal_install_drush