---
- name: Populate oo_hosts_to_terminate host group
  hosts: localhost
  gather_facts: no
  tasks:
    - name: Evaluate oo_hosts_to_terminate
      add_host: name={{ item }} groups=oo_hosts_to_terminate
      with_items: oo_host_group_exp | default([])

- name: Gather dynamic inventory variables for hosts to terminate
  hosts: oo_hosts_to_terminate
  gather_facts: no

- name: Terminate instances
  hosts: localhost
  connection: local
  gather_facts: no
  vars:
    host_vars: "{{ hostvars
        | oo_select_keys(groups['oo_hosts_to_terminate']) }}"
  tasks:
    - name: Remove tags from instances
      ec2_tag: resource={{ item.ec2_id }} region={{ item.ec2_region }} state=absent
      args:
        tags:
          env: "{{ item['ec2_tag_env'] }}"
          host-type: "{{ item['ec2_tag_host-type'] }}"
          env-host-type: "{{ item['ec2_tag_env-host-type'] }}"
      with_items: host_vars
      when: "'oo_hosts_to_terminate' in groups"

    - name: Terminate instances
      ec2:
        state: absent
        instance_ids: ["{{ item.ec2_id }}"]
        region: "{{ item.ec2_region }}"
      ignore_errors: yes
      register: ec2_term
      with_items: host_vars
      when: "'oo_hosts_to_terminate' in groups"

    # Fail if any of the instances failed to terminate with an error other
    # than 403 Forbidden
    - fail: msg=Terminating instance {{ item.item.ec2_id }} failed with message {{ item.msg }}
      when: "'oo_hosts_to_terminate' in groups and item.failed and not item.msg | search(\"error: EC2ResponseError: 403 Forbidden\")"
      with_items: ec2_term.results

    - name: Stop instance if termination failed
      ec2:
        state: stopped
        instance_ids: ["{{ item.item.ec2_id }}"]
        region: "{{ item.item.ec2_region }}"
      register: ec2_stop
      when: item.failed
      with_items: ec2_term.results
      when: "'oo_hosts_to_terminate' in groups"

    - name: Rename stopped instances
      ec2_tag: resource={{ item.item.item.ec2_id }} region={{ item.item.item.ec2_region }} state=present
      args:
        tags:
          Name: "{{ item.item.item.ec2_tag_Name }}-terminate"
      with_items: ec2_stop.results
      when: "'oo_hosts_to_terminate' in groups"