---
# https://docs.ansible.com/ansible/latest/collections/ansible/posix/authorized_key_module.html#examples
- name: update ssh key and login permissions
  strategy: free # dont wait for other hosts when executing
  hosts: oracleServer
  tasks:

    - name: Add ssh key
      become: true
      async: 120 # Maximum execution time
      poll: 05 # polling interval in seconds
      ansible.posix.authorized_key:
        user: "{{ ansible_user_id }}"
        exclusive: true
        state: present
        key: "{{ lookup('file', '~/.ssh/id_ed25519.pub') }}"

    - name: sshd configuration file update
      blockinfile:
        path: /etc/ssh/sshd_config
        insertbefore: BOF # Beginning of the file
        marker: "# {mark} ANSIBLE MANAGED BLOCK BY LINUX-ADMIN"
        block: |
          PermitRootLogin no
          PubkeyAuthentication yes
          AuthorizedKeysFile .ssh/authorized_keys
          PasswordAuthentication no
        backup: true
        validate: /usr/sbin/sshd -T -f %s

    - name: Restart SSHD
      service:
        name: sshd
        state: restarted