example for blog https://www.redhat.com/sysadmin/ansible-provisioning-aws-cloud

before and after ec2 example

- name: Launching EC2 instances
  ec2:
    profile: "{{ aws_boto_profile }}"
    key_name: "{{ aws_demo_key }}"
    group: "{{ aws_security_group }}"
    instance_type: "{{ item.value.instance_type }}"
    image: "{{ aws_ami_id }}" 
    wait: yes
    wait_timeout: 500
    count: 1
    region: "{{ aws_region }}"
    instance_tags:
       Name: "{{ item.value.name }}"
    monitoring: no
    vpc_subnet_id: "{{ vpc_subnet_list | random }}"
    assign_public_ip: yes
  loop: "{{ lookup('dict', ec2_new_list, wantlist=True) }}"
  when: "not item.value.name in existing_ec2_list"
  register: created_ec2

- name: Launching EC2 instances
  amazon.aws.ec2_instance:
    profile: "{{ aws_boto_profile }}"
    key_name: "{{ aws_demo_key }}"
    security_group: "{{ aws_security_group }}"
    instance_type: "{{ item.value.instance_type }}"
    image_id: "{{ aws_ami_id }}" 
    wait: True
    wait_timeout: 500
    region: "{{ aws_region }}"
    tags:
       Name: "{{ item.value.name }}"
    detailed_monitoring: false
    vpc_subnet_id: "{{ vpc_subnet_list | random }}"
    network:
      assign_public_ip: true
  loop: "{{ lookup('dict', ec2_new_list, wantlist=True) }}"
  when: "not item.value.name in existing_ec2_list"
  register: created_ec2