---
- name: Import database
  hosts: db_servers
  become: yes

  tasks:
    - name: Make sure inventory database exists
      mysql_db:
        name: inventory
        state: present
      register: inventory_present

    - name: Is inventory database backup present?
      stat:
        path: /home/student/inventory.dump
      register: inventory_bkup

    - name: Import inventory backup data
      mysql_db:
        name: inventory
        state: import
        target: /home/student/inventory.dump
      when:
        - inventory_present['changed'] == false
        - inventory_bkup['stat']['exists'] == true