ansible/playbooks/create_droplet.yml

---
- hosts: localhost
  connection: local
  gather_facts: false

  tasks:
    - name: create two droplets
      digital_ocean_droplet:
        unique_name: yes
        region: ams3
        image: ubuntu-18-10-x64
        wait_timeout: 100
        name: "{{ item }}"
        size_id: s-1vcpu-1gb
        state: present
        ssh_keys: [ '1' ] # <---- put your numeric ssh key in here
      register: created_droplets
      with_items:
        - tmp-droplet-1
        - tmp-droplet-2

    - name: add to dynamic inventory
      add_host:
        name: "{{ item.data.ip_address }}"
        group: do
      with_items: "{{ created_droplets.results }}"