---
- hosts: qualif
  vars:
    - ansible_user: osadmin
    - ansible_password: H1g2.D6#
  tasks:
    - name: Copy stuff from here to over there
      copy:
       src: /home/osadmin/file.txt
       dest: /home/osadmin/file-changed.txt
       owner: osadmin
       group: osadmin
       mode: 0777

ansible_user: osadmin
ansible_password: password1
ansible_become_password: password2
[ some other values ]