---
# A Note about ec2 environment variable name preference:
#  - EC2_URL -> AWS_URL
#  - EC2_ACCESS_KEY -> AWS_ACCESS_KEY_ID -> AWS_ACCESS_KEY
#  - EC2_SECRET_KEY -> AWS_SECRET_ACCESS_KEY -> AWX_SECRET_KEY
#  - EC2_REGION -> AWS_REGION
#

# - include: ../../setup_ec2/tasks/common.yml module_name: ec2_vpc_subnet

- block:

    # ============================================================
    - name: create a VPC
      ec2_vpc_net:
        name: "{{ resource_prefix }}-vpc"
        state: present
        cidr_block: "10.232.232.128/26"
        region: '{{ec2_region}}'
        aws_access_key: '{{ aws_access_key }}'
        aws_secret_key: '{{ aws_secret_key }}'
        security_token: '{{ security_token }}'
        tags:
          Name: "{{ resource_prefix }}-vpc"
          Description: "Created by ansible-test"
      register: vpc_result

    - name: create subnet (expected changed=true)
      ec2_vpc_subnet:
        cidr: "10.232.232.128/28"
        az: "{{ ec2_region }}a"
        vpc_id: "{{ vpc_result.vpc.id }}"
        tags:
          Name: '{{ec2_vpc_subnet_name}}'
          Description: '{{ec2_vpc_subnet_description}}'
        region: '{{ec2_region}}'
        aws_access_key: '{{ aws_access_key }}'
        aws_secret_key: '{{ aws_secret_key }}'
        security_token: '{{ security_token }}'
        state: present
      register: vpc_subnet_create

    - name: assert creation happened (expected changed=true)
      assert:
        that:
           - 'vpc_subnet_create'
           - 'vpc_subnet_create.subnet.id.startswith("subnet-")'
           - '"Name" in vpc_subnet_create.subnet.tags and vpc_subnet_create.subnet.tags["Name"] == ec2_vpc_subnet_name'
           - '"Description" in vpc_subnet_create.subnet.tags and vpc_subnet_create.subnet.tags["Description"] == ec2_vpc_subnet_description'

    - name: recreate subnet (expected changed=false)
      ec2_vpc_subnet:
        cidr: "10.232.232.128/28"
        az: "{{ ec2_region }}a"
        vpc_id: "{{ vpc_result.vpc.id }}"
        tags:
          Name: '{{ec2_vpc_subnet_name}}'
          Description: '{{ec2_vpc_subnet_description}}'
        region: '{{ec2_region}}'
        aws_access_key: '{{ aws_access_key }}'
        aws_secret_key: '{{ aws_secret_key }}'
        security_token: '{{ security_token }}'
        state: present
      register: vpc_subnet_recreate

    - name: assert recreation changed nothing (expected changed=true)
      assert:
        that:
           - 'not vpc_subnet_recreate.changed'
           - 'vpc_subnet_recreate.subnet.id.startswith("subnet-")'
           - '"Name" in vpc_subnet_recreate.subnet.tags and vpc_subnet_recreate.subnet.tags["Name"] == ec2_vpc_subnet_name'
           - '"Description" in vpc_subnet_recreate.subnet.tags and vpc_subnet_recreate.subnet.tags["Description"] == ec2_vpc_subnet_description'

    - name: add a tag (expected changed=true)
      ec2_vpc_subnet:
        cidr: "10.232.232.128/28"
        az: "{{ ec2_region }}a"
        vpc_id: "{{ vpc_result.vpc.id }}"
        tags:
          Name: '{{ec2_vpc_subnet_name}}'
          Description: '{{ec2_vpc_subnet_description}}'
          AnotherTag: SomeValue
        region: '{{ec2_region}}'
        aws_access_key: '{{ aws_access_key }}'
        aws_secret_key: '{{ aws_secret_key }}'
        security_token: '{{ security_token }}'
        state: present
      register: vpc_subnet_add_a_tag

    - name: assert tag addition happened (expected changed=true)
      assert:
        that:
           - 'vpc_subnet_add_a_tag.changed'
           - '"Name" in vpc_subnet_add_a_tag.subnet.tags and vpc_subnet_add_a_tag.subnet.tags["Name"] == ec2_vpc_subnet_name'
           - '"Description" in vpc_subnet_add_a_tag.subnet.tags and vpc_subnet_add_a_tag.subnet.tags["Description"] == ec2_vpc_subnet_description'
           - '"AnotherTag" in vpc_subnet_add_a_tag.subnet.tags and vpc_subnet_add_a_tag.subnet.tags["AnotherTag"] == "SomeValue"'

    # We may want to change this behaviour by adding purge_tags to the module
    # and setting it to false by default
    - name: remove tags (expected changed=true)
      ec2_vpc_subnet:
        cidr: "10.232.232.128/28"
        az: "{{ ec2_region }}a"
        vpc_id: "{{ vpc_result.vpc.id }}"
        tags:
          AnotherTag: SomeValue
        region: '{{ec2_region}}'
        aws_access_key: '{{ aws_access_key }}'
        aws_secret_key: '{{ aws_secret_key }}'
        security_token: '{{ security_token }}'
        state: present
      register: vpc_subnet_remove_tags

    - name: assert tag removal happened (expected changed=true)
      assert:
        that:
           - 'vpc_subnet_remove_tags.changed'
           - '"Name" not in vpc_subnet_remove_tags.subnet.tags'
           - '"Description" not in vpc_subnet_remove_tags.subnet.tags'
           - '"AnotherTag" in vpc_subnet_remove_tags.subnet.tags and vpc_subnet_remove_tags.subnet.tags["AnotherTag"] == "SomeValue"'

    - name: test state=absent (expected changed=true)
      ec2_vpc_subnet:
        cidr: "10.232.232.128/28"
        vpc_id: "{{ vpc_result.vpc.id }}"
        state: absent
        region: '{{ec2_region}}'
        aws_access_key: '{{ aws_access_key }}'
        aws_secret_key: '{{ aws_secret_key }}'
        security_token: '{{ security_token }}'
      register: result

    - name: assert state=absent (expected changed=true)
      assert:
        that:
           - 'result.changed'

    - name: create subnet without AZ
      ec2_vpc_subnet:
        cidr: "10.232.232.128/28"
        vpc_id: "{{ vpc_result.vpc.id }}"
        state: present
        region: '{{ec2_region}}'
        aws_access_key: '{{ aws_access_key }}'
        aws_secret_key: '{{ aws_secret_key }}'
        security_token: '{{ security_token }}'
      register: subnet_without_az

    - name: check that subnet without AZ works fine
      assert:
        that:
           - 'subnet_without_az.changed'

    - name: remove subnet without AZ
      ec2_vpc_subnet:
        cidr: "10.232.232.128/28"
        vpc_id: "{{ vpc_result.vpc.id }}"
        state: absent
        region: '{{ec2_region}}'
        aws_access_key: '{{ aws_access_key }}'
        aws_secret_key: '{{ aws_secret_key }}'
        security_token: '{{ security_token }}'
      register: result

    - name: assert state=absent (expected changed=true)
      assert:
        that:
           - 'result.changed'
  always:

    ################################################
    # TEARDOWN STARTS HERE
    ################################################

    - name: tidy up subnet
      ec2_vpc_subnet:
        cidr: "10.232.232.128/28"
        vpc_id: "{{ vpc_result.vpc.id }}"
        state: absent
        region: '{{ec2_region}}'
        aws_access_key: '{{ aws_access_key }}'
        aws_secret_key: '{{ aws_secret_key }}'
        security_token: '{{ security_token }}'

    - name: tidy up VPC
      ec2_vpc_net:
        name: "{{ resource_prefix }}-vpc"
        state: absent
        cidr_block: "10.232.232.128/26"
        region: '{{ec2_region}}'
        aws_access_key: '{{ aws_access_key }}'
        aws_secret_key: '{{ aws_secret_key }}'
        security_token: '{{ security_token }}'