Ansible playbook with notify and handlers example

---
- hosts: raghu
  vars:
      path: /tmp/raghu
      state: touch
  tasks:
      - name: Create file
        file:
            path: "{{ path }}"
            state: "{{ state }}"
        notify:
           - restart apache

  handlers:
      - name: restart apache
        service: name=httpd state=started