- block:
  - name: New instance with an extra block device
    ec2_instance:
      name: "{{ resource_prefix }}-test-ebs-vols"
      image_id: "{{ ec2_ami_image }}"
      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: "{{ ec2_instance_type }}"
      wait: true
    register: in_test_vpc

  - name: Gather instance info
    ec2_instance_info:
      filters:
        "tag:Name": "{{ resource_prefix }}-test-ebs-vols"
    register: in_test_vpc_instance

  - assert:
      that:
      - in_test_vpc is not failed
      - in_test_vpc is changed
      - in_test_vpc_instance.instances[0].block_device_mappings[0]
      - in_test_vpc_instance.instances[0].block_device_mappings[1]
      - in_test_vpc_instance.instances[0].block_device_mappings[1].device_name == '/dev/sdb'

  - name: New instance with an extra block device(check mode)
    ec2_instance:
      name: "{{ resource_prefix }}-test-ebs-vols-checkmode"
      image_id: "{{ ec2_ami_image }}"
      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: "{{ ec2_instance_type }}"
    check_mode: yes

  - name: "fact presented ec2 instance"
    ec2_instance_info:
      filters:
        "tag:Name": "{{ resource_prefix }}-test-ebs-vols"
        "instance-state-name": "running"
    register: presented_instance_fact

  - name: "fact checkmode ec2 instance"
    ec2_instance_info:
      filters:
        "tag:Name": "{{ resource_prefix }}-test-ebs-vols-checkmode"
    register: checkmode_instance_fact

  - name: "Confirm whether the check mode is working normally."
    assert:
      that:
        - "{{ presented_instance_fact.instances | length }} > 0"
        - "{{ checkmode_instance_fact.instances | length }} == 0"

  - name: Terminate instances
    ec2_instance:
      instance_ids: "{{ in_test_vpc.instance_ids }}"
      state: absent

  always:
    - name: Terminate test-ebs-vols instances
      ec2_instance:
        filters:
          "tag:Name": "{{ resource_prefix }}-test-ebs-vols"
        state: absent
        wait: false
      ignore_errors: yes