isabella232 / aws_vpc_additional_block

Adds an additional CIDR with subnets to an AWS VPC

aws_vpc_additional_block

Master: Develop:

• Installation and Dependencies
• Role Variables
• Examples

This role provisions an extra CIDR block for VPC along with subnets, route tables and an IGW as needed.

Installation and Dependencies

To install run ansible-galaxy install sansible.aws_vpc_additional_block or add this to your roles.yml.

- name: sansible.aws_vpc_additional_block
  version: v1.0

and run ansible-galaxy install -p ./roles -r roles.yml

Role Variables

Variable	Default	Description
aws_vpc_additional_block_cidr	~	CIDR for VPC
aws_vpc_additional_block_cidr_subnet_private_a	~	CIDR for private subnet a
aws_vpc_additional_block_cidr_subnet_private_b	~	Optional CIDR for private subnet b
aws_vpc_additional_block_cidr_subnet_private_c	~	Optional CIDR for private subnet c
aws_vpc_additional_block_cidr_subnet_public_a	~	Optional CIDR for public subnet a
aws_vpc_additional_block_cidr_subnet_public_b	~	Optional CIDR for public subnet b
aws_vpc_additional_block_cidr_subnet_public_c	~	Optional CIDR for public subnet c
aws_vpc_additional_block_internet_gateway_id	~	Internet Gateway ID for public subnets, required if parent VPC has an IGW, if not an IGW will be created if public subnets are specified
aws_vpc_additional_block_region	~	AWS region for VPC
aws_vpc_additional_block_stack_name	~	Name for VPC CF stack
aws_vpc_additional_block_tags	~	Tags for the VPC, you must specify a Name tag
aws_vpc_additional_block_vpc_id	~	VPC ID to attach the block and subnets to

Examples

Simply include role in your playbook

- name: Install and Configure additional CIDR block with a single private subnet
  hosts: somehost

  roles:
    - role: aws_vpc_additional_block
      aws_vpc_additional_block_cidr: 10.100.0.0/21
      aws_vpc_additional_block_cidr_subnet_private_a: 10.100.0.0/24
      aws_vpc_additional_block_region: eu-west-1
      aws_vpc_additional_block_stack_name: dev-vpc-additional-block
      aws_vpc_additional_block_tags:
        Name: dev_vpc_additional_block
      aws_vpc_additional_block_vpc_id: vpc-123456

- name: Install and Configure additional CIDR block with two private and public subnets
  hosts: somehost
    - role: aws_vpc_additional_block
      aws_vpc_additional_block_cidr: 10.101.0.0/21
      aws_vpc_additional_block_cidr_subnet_private_a: 10.101.0.0/24
      aws_vpc_additional_block_cidr_subnet_private_b: 10.101.1.0/24
      aws_vpc_additional_block_cidr_subnet_public_a: 10.101.3.0/24
      aws_vpc_additional_block_cidr_subnet_public_b: 10.101.4.0/24
      aws_vpc_additional_block_internet_gateway_id: igw-123456
      aws_vpc_additional_block_region: eu-west-1
      aws_vpc_additional_block_stack_name: dev-vpc-additional-block
      aws_vpc_additional_block_tags:
        Name: dev_vpc_additional_block
      aws_vpc_additional_block_vpc_id: vpc-123456

- name: Install and Configure additional CIDR and create an IGW (VPC must not have one aleady)
  hosts: somehost
    - role: aws_vpc_additional_block
      aws_vpc_additional_block_cidr: 10.102.0.0/21
      aws_vpc_additional_block_cidr_subnet_private_a: 10.102.0.0/24
      aws_vpc_additional_block_cidr_subnet_private_b: 10.102.1.0/24
      aws_vpc_additional_block_cidr_subnet_public_a: 10.102.3.0/24
      aws_vpc_additional_block_cidr_subnet_public_b: 10.102.4.0/24
      aws_vpc_additional_block_region: eu-west-1
      aws_vpc_additional_block_stack_name: dev-vpc-additional-block
      aws_vpc_additional_block_tags:
        Name: dev_vpc_additional_block
      aws_vpc_additional_block_vpc_id: vpc-123456