playbook: add yum roles which optimise yum task by trying to update package only when defined

playbook/roles/ntp/tasks/main.yml

 ---
   - name: Install ntp
-    apt: name=ntp state=latest update_cache=yes 
+    apt: name=ntp state=latest update_cache=yes cache_valid_time=86400
     when: ansible_os_family == "Debian"
 
-  - name: Install ntp
-    yum: name=ntp state=latest update_cache=yes 
+  - include: ../../yum/tasks/main.yml name=ntp cache_valid_time=86400
     when: ansible_os_family == "RedHat"
 
   - name: ensure ntp is runing

playbook/roles/vm-bootstrap/tasks/sudo.yml

 ---
 
   - name: Ensure sudo is installed
-    apt: name=sudo state=latest update_cache=yes cache_valid_time=3600
+    apt: name=sudo state=latest update_cache=yes cache_valid_time=86400
     when: ansible_os_family == "Debian"
 
-  - name: Ensure sudo is installed (yum)
-    yum: name=sudo state=latest update_cache=yes
+    
+  - include: ../../yum/tasks/main.yml name=sudo cache_valid_time=86400
     when: ansible_os_family == "RedHat"
 
   - name: Ensure /etc/sudoers.d directory is present

playbook/roles/yum/tasks/main.yml

+---
+
+- name: Check when last checked
+  stat: path=/etc/opt/ansible-yum-latest-{{ name }}
+  register: check_path
+  changed_when: false
+
+- name: Calculate age target
+  shell: echo {{ check_path.stat.mtime|int + cache_valid_time|int }}
+  register: age_target
+  when: check_path.stat.exists == true
+  changed_when: false
+
+- name: Install/update package {{ name }}
+  yum:
+    name={{ name }}
+    state=latest
+    update_cache=yes
+  when: check_path.stat.exists == false or age_target.stdout|int <= ansible_date_time.epoch|int
+
+- name: Update Cache File
+  file:
+    path=/etc/opt/ansible-yum-latest-{{ name }}
+    mode=0600
+    state=touch
+  when: check_path.stat.exists == false or age_target.stdout|int <= ansible_date_time.epoch|int
+  changed_when: false