00-vpc.yml

---

- hosts: localhost 
  connection: local
  vars_files:
    - vars/all.yml
  tasks:

    - debug: 
        msg: "AWS region - {{ aws_region }}, AZ - {{ vpc_subnet_az }}"
  
    - name: create an AWS VPC for use with kubernetes
      ec2_vpc:
        state: present
        aws_access_key: "{{ aws_access_key }}"
        aws_secret_key: "{{ aws_secret_key }}"
        region: "{{ aws_region }}"
        cidr_block: "{{ vpc_network_cidr }}"
        resource_tags: { "Name": "kubernetes", "KubernetesCluster": "{{ k8s_cluster_name }}" }
        internet_gateway: True
        wait: True
        subnets:
          - cidr: "{{ vpc_public_subnet_cidr }}" 
            az: "{{ vpc_subnet_az }}"
            resource_tags: { "Name" : "{{ vpc_public_subnet_name }}", "KubernetesCluster": "{{ k8s_cluster_name }}" }
          - cidr: "{{ vpc_private_subnet_cidr }}" 
            az: "{{ vpc_subnet_az }}"
            resource_tags: { "Name" : "{{ vpc_private_subnet_name }}", "KubernetesCluster": "{{ k8s_cluster_name }}" }
        route_tables:
          - subnets:
              - "{{ vpc_public_subnet_cidr }}" 
            routes:
              - dest: 0.0.0.0/0
                gw: igw

    # Get information on VPC networks/subnets/etc
    - include: vpc-facts.yml

    - include: create-vpc-nat-gateway.yml

    - debug:
        var: vpc_nat_gateway
        verbosity: 2

    - name: set default gateway for private subnet to nat gateway instance
      ec2_vpc_route_table:
        vpc_id: "{{ vpc_network_id }}" 
        aws_access_key: "{{ aws_access_key }}"
        aws_secret_key: "{{ aws_secret_key }}"
        region: "{{ aws_region }}"
        subnets:
          - "{{ vpc_private_subnet_id }}"
        routes:
          - dest: 0.0.0.0/0
            gateway_id: "{{ vpc_nat_gateway.nat_gateway_id }}"
            instance_id: "{{ vpc_nat_gateway.nat_gateway_id }}"
        resource_tags: { "KubernetesCluster": "{{ k8s_cluster_name }}" }
      register: vpc_nat_route_table

    - debug:
        var: vpc_nat_route_table
        verbosity: 2