d4science-ghn-cluster/statistical_manager.yml: A dedicated playbook for statistical-manager.d.d4science.org. Install quickrank and its dependencies.

ansible_ppa/tasks/ansible-packages.yml

@@ -2,23 +2,14 @@
 - name: Remove the now obsolete rquillo ppa for ansible
   apt_repository: repo='ppa:rquillo/ansible' state=absent
   register: update_apt_cache_rquillo
-  tags:
-    - ansible
+  tags: ansible
 
 - name: Add the ansible ppa for ansible
-  apt_repository: repo='ppa:ansible/ansible'
+  apt_repository: repo='ppa:ansible/ansible' update_cache=yes
   register: update_apt_cache
-  tags:
-    - ansible
-
-- name: Update the apt cache if needed
-  apt: update_cache=yes
-  when: (update_apt_cache|changed) or (update_apt_cache_rquillo|changed)
-  tags:
-    - ansible
+  tags: ansible
 
 - name: Install the ansible package
   apt: pkg=ansible state={{ ansible_pkg_state }}
-  tags:
-    - ansible
+  tags: ansible