Medium : Ansible and the AWS CLI : Aurora Clusters example https://medium.com/@tomwwright/ansible-and-the-aws-cli-no-module-no-problem-27580d36ef2d

aurora-cluster.yml

- hosts: localhost
  vars:
    aurora_cluster_name: mycoolauroracluster
    aurora_cluster_engine: aurora-mysql
    aurora_cluster_version: 5.7.12
    aws_region: ap-southeast-2
  tasks:

    - name: create Aurora Cluster with the AWS CLI
      command: >
        aws rds create-db-cluster
          --region {{ aws_region }}
          --cli-input-json '{{ lookup('template', 'create-db-cluster.json.j2') | to_json }}'

create-db-cluster.json.j2

{
  "DBClusterIdentifier": "{{ aurora_cluster_name }}",
  "Engine": "{{ aurora_cluster_engine }}",
  "EngineVersion": "{{ aurora_cluster_version }}",
  "MasterUsername": "ansible",
  "MasterUserPassword": "supersecure"
}