https://docs.ansible.com/ansible/devel/collections/community/routeros/

https://github.com/ansible-collections/community.routeros

Install the RouterOS collection.

ansible-galaxy collection install community.routeros

Create inventory

vi inventory.ini

[routers]
mikrotik ansible_host=192.168.88.1

[routers:vars]
ansible_connection=ansible.netcommon.network_cli
ansible_network_os=community.routeros.routeros
ansible_user=admin
ansible_ssh_pass=
ansible_ssh_port=22

If you are using a custom SSH port, be sure that ansible-pylibssh is installed.

pip install ansible-pylibssh

Simple Playbook

This simple playbook will print the system resources. Playbook is taken from here.

---
- name: RouterOS test with network_cli connection
  hosts: routers
  gather_facts: false
  tasks:

  - name: Gather system resources
    community.routeros.command:
      commands:
        - /system resource print
    register: system_resource_print

  - name: Show system resources
    debug:
      var: system_resource_print.stdout_lines

  - name: Gather facts
    community.routeros.facts:

  - name: Show a fact
    debug:
      msg: "First IP address: {{ ansible_net_all_ipv4_addresses[0] }}"