ansible/test/integration/targets/ec2_instance/tasks/block_devices.yml

- name: set connection information for all tasks
  set_fact:
    aws_connection_info: &aws_connection_info
      aws_access_key: "{{ aws_access_key }}"
      aws_secret_key: "{{ aws_secret_key }}"
      security_token: "{{ security_token }}"
      region: "{{ aws_region }}"
  no_log: true
- name: New instance with an extra block device
  ec2_instance:
    name: "{{ resource_prefix }}-test-ebs-vols"
    image_id: "{{ ec2_ami_image[aws_region] }}"
    vpc_subnet_id: "{{ testing_subnet_b.subnet.id }}"
    volumes:
    - device_name: /dev/sdb
      ebs:
        volume_size: 20
        delete_on_termination: true
        volume_type: standard
    tags:
      TestId: "{{ resource_prefix }}"
    instance_type: t2.micro
    <<: *aws_connection_info
  register: in_test_vpc
- assert:
    that:
    - in_test_vpc is not failed
    - in_test_vpc is changed
    - in_test_vpc.instances[0].block_device_mappings[0]
    - in_test_vpc.instances[0].block_device_mappings[1]
    - in_test_vpc.instances[0].block_device_mappings[1].device_name == '/dev/sdb'