---
# Tests for rds_subnet_group
#
# Note: (From Amazon's documentation)
# https://boto3.amazonaws.com/v1/documentation/api/latest/reference/services/rds.html#RDS.Client.modify_db_subnet_group
# DB subnet groups must contain at least one subnet in at least two AZs in the
# AWS Region.

- module_defaults:
    group/aws:
      aws_access_key: '{{ aws_access_key }}'
      aws_secret_key: '{{ aws_secret_key }}'
      security_token: '{{ security_token | default(omit) }}'
      region: '{{ aws_region }}'
  block:

  # ============================================================

  - name: 'Fetch AZ availability'
    aws_az_info:
    register: az_info

  - name: 'Assert that we have multiple AZs available to us'
    assert:
      that: az_info.availability_zones | length >= 2

  - name: 'Pick AZs'
    set_fact:
      az_one: '{{ az_info.availability_zones[0].zone_name }}'
      az_two: '{{ az_info.availability_zones[1].zone_name }}'

  # ============================================================

  - name: 'Create a VPC'
    ec2_vpc_net:
      state: present
      cidr_block: '{{ vpc_cidr }}'
      name: '{{ resource_prefix }}'
    register: vpc

  - name: 'Create subnets'
    ec2_vpc_subnet:
      state: present
      cidr: '{{ item.cidr }}'
      az: '{{ item.az }}'
      vpc_id: '{{ vpc.vpc.id }}'
      tags:
        Name: '{{ item.name }}'
    with_items:
    - cidr: '{{ subnet_a }}'
      az: '{{ az_one }}'
      name: '{{ resource_prefix }}-subnet-a'
    - cidr: '{{ subnet_b }}'
      az: '{{ az_two }}'
      name: '{{ resource_prefix }}-subnet-b'
    - cidr: '{{ subnet_c }}'
      az: '{{ az_one }}'
      name: '{{ resource_prefix }}-subnet-c'
    - cidr: '{{ subnet_d }}'
      az: '{{ az_two }}'
      name: '{{ resource_prefix }}-subnet-d'
    register: subnets

  - set_fact:
      subnet_ids: '{{ subnets | json_query("results[].subnet.id") | list }}'

  # ============================================================

  - include_tasks: 'params.yml'

  - include_tasks: 'tests.yml'

  # ============================================================

  always:
  - name: 'Remove subnet group'
    rds_subnet_group:
      state: absent
      name: '{{ resource_prefix }}'
    ignore_errors: yes

  - name: 'Remove subnets'
    ec2_vpc_subnet:
      state: absent
      cidr: '{{ item.cidr }}'
      vpc_id: '{{ vpc.vpc.id }}'
    with_items:
    - cidr: '{{ subnet_a }}'
      name: '{{ resource_prefix }}-subnet-a'
    - cidr: '{{ subnet_b }}'
      name: '{{ resource_prefix }}-subnet-b'
    - cidr: '{{ subnet_c }}'
      name: '{{ resource_prefix }}-subnet-c'
    - cidr: '{{ subnet_d }}'
      name: '{{ resource_prefix }}-subnet-d'
    ignore_errors: yes
    register: removed_subnets
    until: removed_subnets is succeeded
    retries: 5
    delay: 5

  - name: 'Remove the VPC'
    ec2_vpc_net:
      state: absent
      cidr_block: '{{ vpc_cidr }}'
      name: '{{ resource_prefix }}'
    ignore_errors: yes
    register: removed_vpc
    until: removed_vpc is success
    retries: 5
    delay: 5

  # ============================================================