Creating and distributing SSH keys

tasks.yml

- name: ssh private key for pushing backups
  command: ssh-keygen -q -t rsa -N '' -f {{ backup_pusher_key }} -C backup-script@{{ ansible_fqdn }}
  args:
    creates: "{{ backup_pusher_key }}"
  tags: [ backups, ssh ]

- name: get the ssh public key
  command: cat "{{ backup_pusher_key }}.pub"
  register: pubkey_result
  changed_when: false
  always_run: yes
  tags: [ backups, ssh ]

- name: install ssh public key on the backup buddy
  authorized_key: key="{{ pubkey_result.stdout }}" user=uploader state=present
  delegate_to: "{{ backup_buddy }}"
  tags: [ backups, ssh ]