- block:
    - 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: create t3.nano instance with cpu_options
      ec2_instance:
        name: "{{ resource_prefix }}-test-t3nano-1-threads-per-core"
        image_id: "{{ ec2_ami_image[aws_region] }}"
        tags:
          TestId: "{{ resource_prefix }}"
        vpc_subnet_id: "{{ testing_subnet_a.subnet.id }}"
        instance_type: t3.nano
        cpu_options:
            core_count: 1
            threads_per_core: 1
        wait: false
        <<: *aws_connection_info
      register: instance_creation

    - name: instance with cpu_options created with the right options
      assert:
        that:
          - instance_creation is success
          - instance_creation is changed

    - name: modify cpu_options on existing instance (warning displayed)
      ec2_instance:
        state: present
        name: "{{ resource_prefix }}-test-t3nano-1-threads-per-core"
        image_id: "{{ ec2_ami_image[aws_region] }}"
        tags:
          TestId: "{{ resource_prefix }}"
        vpc_subnet_id: "{{ testing_subnet_a.subnet.id }}"
        instance_type: t3.nano
        cpu_options:
            core_count: 1
            threads_per_core: 2
        wait: false
        <<: *aws_connection_info
      register: cpu_options_update
      ignore_errors: yes

    - name: modify cpu_options has no effect on existing instance
      assert:
        that:
          - cpu_options_update is success
          - cpu_options_update is not changed

    - name: create t3.nano instance with cpu_options(check mode)
      ec2_instance:
        name: "{{ resource_prefix }}-test-t3nano-1-threads-per-core-checkmode"
        image_id: "{{ ec2_ami_image[aws_region] }}"
        tags:
          TestId: "{{ resource_prefix }}"
        vpc_subnet_id: "{{ testing_subnet_a.subnet.id }}"
        instance_type: t3.nano
        cpu_options:
            core_count: 1
            threads_per_core: 1
        <<: *aws_connection_info
      check_mode: yes

    - name: "fact presented ec2 instance"
      ec2_instance_info:
        filters:
          "tag:Name": "{{ resource_prefix }}-test-t3nano-1-threads-per-core"
        <<: *aws_connection_info
      register: presented_instance_fact

    - name: "fact checkmode ec2 instance"
      ec2_instance_info:
        filters:
          "tag:Name": "{{ resource_prefix }}-test-t3nano-1-threads-per-core-checkmode"
        <<: *aws_connection_info
      register: checkmode_instance_fact

    - name: "Confirm existence of instance id."
      assert:
        that:
          - "{{ presented_instance_fact.instances | length }} > 0"
          - "'{{ presented_instance_fact.instances.0.state.name }}' in ['running','pending']"
          - "{{ checkmode_instance_fact.instances | length }} == 0"
          - "{{ presented_instance_fact.instances.0.cpu_options.core_count }} == 1"
          - "{{ presented_instance_fact.instances.0.cpu_options.threads_per_core }} == 1"

  always:
    - name: Terminate instances
      ec2_instance:
        filters:
          tag:TestId: "{{ resource_prefix }}"
        state: absent
        wait: false
        <<: *aws_connection_info
      register: result
      ignore_errors: yes