create-vpc-example.yml

---
- hosts: localhost
  connection: local
  gather_facts: no
  
  tasks:
    - name: "Create project VPC"
      ec2_vpc:
        state: present
        region: "{{ project_region }}"
        resource_tags: { "Environment":"{{ project_env }}", "Name":"{{ project_name }}" }
        cidr_block: "{{ project_cidr_block }}"
        subnets: "{{ project_subnets }}"
        internet_gateway: True
        route_tables: "{{ project_routes }}"
        wait: yes
      register: myvpc
    
    - debug: var=myvpc
      when: show_debug

project_vars.yml

vars:
  project_region: us-east
  project_cidr_block: 10.10.0.0/16
  project_name: ProductName
  project_desc: Product Name
  project_env: dev
  
  project_subnets:
    - cidr: 10.10.0.0/23
      az: us-east-1a
      resource_tags: { "Name":"{{ project_name }}-External-a", "Description":"{{ project_desc }} - External a" }
    - cidr: 10.10.16.0/23
      az: us-east-1a
      resource_tags: { "Name":"{{ project_name }}-Internal-a", "Description":"{{ project_desc }} - Internal a" }
      
  project_routes:
    - subnets:
      - 10.10.0.0/23
      - 10.10.16.0/23
      routes:
        - dest: 0.0.0.0/0
          gw:  igw
      resource_tags: { "Name":"{{ project_name }}-Main", "Description":"{{ project_desc }} - Main Route Table" }