teardown_servers_engine.yml

---
- name: Teardown AWS Instances
  hosts: localhost
  gather_facts: no
  vars_files:
    - ./vars/default-vars.yml
  vars:
    ec2_instance_ids: []

  tasks:


    # # VPC or Virtual Private Cloud.  The instance will be tied to a subnet that belongs to this particular VPC
    # - name: "Get the VPC ID for {{ ec2_prefix }}-vpc"
    #   ec2_vpc_net_info:
    #     filters:
    #       "tag:Name": "{{ ec2_prefix }}-vpc"
    #     region: "{{ ec2_region }}"
    #   register: vpc_net_facts
    #
    # - name: debug vpc_net_facts
    #   debug:
    #     var: vpc_net_facts

    - name: "Gather {{ application }} instance info"
      ec2_instance_info:
        filters:
          "tag:application": "{{ application }}"
          "tag:provisioner": "mford"
          instance-state-name: [ "running", "shutting-down", "stopping", "stopped" ]
      register: instance_info

    - debug:
        var: instance_info

    - debug:
        var: instance_info.instances | length

    - debug:
        var: instance_info | json_query('instances[*].instance_id')

    - name: "Create a list of the {{ application }} Instances"
      set_fact:
        ec2_instance_ids: "{{ ec2_instance_ids }} + [ '{{ item }}']"
      loop: "{{ instance_info | json_query('instances[*].instance_id')  }}"

    - name: "Terminate Instances for Application {{ application }}"
      ec2:
        state: absent
        instance_ids: "{{ ec2_instance_ids }}"
        wait: "{{ ec2_wait }}"
        region: "{{ ec2_region }}"
      when: ec2_instance_ids | length > 0

    - name: Delete AWS SSH Public Key
      ec2_key:
        name: "{{ ec2_prefix }}-key"
        state: absent

    - name: Delete Local Private Key
      file:
        path: "{{ working_dir }}/{{ ec2_prefix }}-key-private.pem"
        state: absent