aws-subnet

Will create a subnet(s) in an existing VPC

Requirements

• AWS credentials and the correct permissions to create the resources
• An existing VPC with a tagged Name
• List of subnets and their location is defined in teh subnets variable (see example below)

Role Variables

The variables uses in this role are

Dependencies

None

Example Playbook

Download dependencies

Create requirements file

Create a requirements.yml file with the following contents

- src: https://github.com/maishsk/aws-subnet
  version: master

Download dependencies

Run the following command:

ansible-galaxy install -r requirements.yml --force -p .

Create playbook

Create a main.yaml file with the following contents:

---
- name: Create Subnets
  hosts: localhost
  connection: local
  gather_facts: false
  vars_files:
    - vars/vars.yml
  tasks:
  - name: Create Process
    include_role:
      name: "{{ item }}"
    with_items:
      - aws-subnet
    tags: [ 'never', 'create' ]
  - name: Rollback Process
    include_role:
      name: "{{ item }}"
    with_items:
      - aws-subnet
    tags: [ 'never', 'rollback' ]

Create a vars/vars.yml with the content similar to:

vpc_name: maish_test
region: us-east-2
subnets:
  - subnet_name: "{{ vpc_name | default (omit) }}-Public-{{ region }}a"
    subnet_cidr: 192.168.100.0/26
    subnet_az: "{{ region }}a"
    subnet_map_public: yes
  - subnet_name: "{{ vpc_name | default (omit) }}-Public-{{ region }}b"
    subnet_cidr: 192.168.100.64/26
    subnet_az: "{{ region }}b"
    subnet_map_public: yes
  - subnet_name: "{{ vpc_name | default (omit) }}-Private-{{ region }}a"
    subnet_cidr: 192.168.100.128/26
    subnet_az: "{{ region }}a"
  - subnet_name: "{{ vpc_name | default (omit) }}-Private-{{ region }}b"
    subnet_cidr: 192.168.100.192/26
    subnet_az: "{{ region }}b"

Running the playbook

To create the VPC

ansible-playbook main.yml --tags create

To remove the VPC

ansible-playbook main.yml --tags rollback

License

BSD

Author Information

This role was created by Maish Saidel-Keesing, author of The Cloud Walkabout.