ansible/roles/ubuntu_base/tasks/ssh.yml

---
- name: Check if SSH port is already configured
  wait_for:
    port: 19022
    host: "{{ ansible_host }}"
    connect_timeout: 5
    timeout: 10
  become: false
  delegate_to: localhost
  ignore_errors: true
  register: ssh_configured

# If we're running in Vagrant, ansible_port is 2222
- name: Change Ansible port to 22 if needed
  set_fact:
    ansible_port: 22
  when: ssh_configured is defined and
        (ssh_configured.state is undefined or
        (ssh_configured.state is defined and
        ssh_configured.state != "started")) and
        ansible_port != 2222

- name: Change SSH port
  lineinfile:
    dest: "/etc/ssh/sshd_config"
    regexp: "^#?Port"
    line: "Port 19022"
  register: ssh_changed
  notify: "Restart sshd"
  when: ssh_configured is defined and
        (ssh_configured.state is undefined or
        (ssh_configured.state is defined and
        ssh_configured.state != "started"))

- name: Ensure sshd is reloaded if needed
  meta: flush_handlers

- name: Change Ansible port to 19022
  set_fact:
    ansible_port: 19022
  when: ssh_changed is defined