---
# Copyright 2020 Red Hat, Inc.
# All Rights Reserved.
#
# Licensed under the Apache License, Version 2.0 (the "License"); you may
# not use this file except in compliance with the License. You may obtain
# a copy of the License at
#
#     http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
# License for the specific language governing permissions and limitations
# under the License.
#
- name: Overcloud Node Unprovision
  connection: "{{ (tripleo_target_host is defined) | ternary('ssh', 'local') }}"
  hosts: "{{ tripleo_target_host | default('localhost') }}"
  remote_user: "{{ tripleo_target_user | default(lookup('env', 'USER')) }}"
  gather_facts: "{{ (tripleo_target_host is defined) | ternary(true, false) }}"
  any_errors_fatal: true
  vars:
    prompt: true
    all: false
  pre_tasks:
    - fail:
        msg: stack_name is a required input
      when:
        - stack_name is undefined
    - fail:
        msg: baremetal_deployment is a required input
      when:
        - baremetal_deployment is undefined
    - fail:
        msg: unprovision_confirm is required when prompt is true
      when:
        - prompt
        - unprovision_confirm is undefined

  tasks:

    - name: Expand roles
      tripleo_baremetal_expand_roles:
        baremetal_deployment: "{{ baremetal_deployment }}"
        stack_name: "{{ stack_name }}"
        state: "{{ all|bool and 'all' or 'absent' }}"
      register: baremetal_instances

    - name: Find existing instances
      tripleo_baremetal_check_existing:
        instances: "{{ baremetal_instances.instances }}"
      register: baremetal_existing

    - name: Write unprovision confirmation
      copy:
        dest: "{{ unprovision_confirm }}"
        content: "{{ baremetal_existing.instances | to_json }}"
      when: prompt|bool and unprovision_confirm is defined

    - name: Unprovision instances
      metalsmith_instances:
        instances: "{{ baremetal_existing.instances }}"
        state: absent
      when: not prompt|bool