playbook.yml

---
- name: Connect to Pulumi created EC2 instance and install Docker
  hosts: localhost
  vars:
    keypair_name: pulumi_key
    keypair_path: ".ec2ssh//{{ keypair_name }}"
    # this is really important to configure, since Ansible will use this user for SSH connection
    ssh_user: ubuntu
  tasks:
    - name: Gather Pulumi created EC2 instance public IP
      shell: pulumi stack output publicIp
      register: pulumi_stack_output

    - set_fact:
        ec2_public_ip: "{{ pulumi_stack_output.stdout }}"

    - debug:
        msg: "The public IP of the Pulumi created EC2 instance is: {{ ec2_public_ip }}"

    - name: Wait 300 seconds for port 22 to become open and contain "SSH" - then the SSH connection should work afterwards
      wait_for:
        port: 22
        host: "{{ ec2_public_ip }}"
        search_regex: SSH
        delay: 10
        timeout: 320

    # Since the docker role needs facts like ansible_distribution & ansible_lsb.codename, we need to gather those facts beforehand
    # from our delegate_to host (EC2 instance)
    - name: Gather facts of Pulumi created EC2 instance for later role execution
      setup:
      delegate_to: '{{ ec2_public_ip }}'
      vars:
        ansible_ssh_private_key_file: "{{ keypair_path }}"
        ansible_user: ubuntu

    - name: Now use the ansible-galaxy prepared docker role to install Docker on our EC2 instance
      import_role:
        name: docker
      delegate_to: '{{ ec2_public_ip }}'
      become: true
      vars:
        ansible_ssh_private_key_file: "{{ keypair_path }}"
        ansible_user: ubuntu