A playground to test Ansible with Docker Compose & Ubuntu

Actions in the Host machine:

Launch containers

docker-compose up -d

Jump to the control node from host machine

docker-compose exec control bash

Cleanup

docker compose down

Inside control node

Install ansible

sudo apt update
sudo apt-get install nano
sudo apt-get install software-properties-common
sudo apt-add-repository ppa:ansible/ansible
sudo apt-get install ansible

Setup ansible

sudo nano /etc/ansible/hosts

Content of host the file:

[servers]
server1 ansible_host=node1
server2 ansible_host=node2
server3 ansible_host=node3

[all:vars]
ansible_connection=ssh
ansible_user=root
ansible_ssh_pass=password
ansible_python_interpreter=/usr/bin/python3

Test conectivity

ansible-inventory --list -y
ansible all -m ping -u root
ansible all -a "df -h" -u root

Connect with nodes (ssh password is "password" without quotes):

ssh root@node1
ssh root@node2
ssh root@node3

Shared folder between host machine and control node:

cd /shared

And do the magic here!