---
# Copyright 2016, Rackspace US, Inc.
#
# 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: Set lxc containers group
  hosts: "{{ container_group | default('all_containers') }}"
  gather_facts: false
  tasks:
    - name: Add hosts to dynamic inventory group
      group_by:
        key: lxc_containers
        parents: all_lxc_containers
      when:
        - container_tech == 'lxc'
  tags:
    - always
    - lxc-containers-create

- name: Destroy lxc containers
  hosts: all_lxc_containers
  gather_facts: false
  user: root
  tasks:
    - name: Slurp machine-id
      slurp:
        src: "/etc/machine-id"
      register: _container_machine_id
      changed_when: false
      failed_when: false
      tags:
        - always

    - name: Destroy a container
      lxc_container:
        name: "{{ container_name }}"
        state: "absent"
      delegate_to: "{{ physical_host }}"
      when:
        - force_containers_destroy | bool
        - force_containers_data_destroy | bool

    - include_tasks: "common-tasks/remove_container_journal.yml"
      vars:
        container_machine_id: "{{ ((_container_machine_id.content | default('bm9uZQo=')) | b64decode).strip() }}"

    - name: Destroy container service directories
      file:
        path: "{{ item }}"
        state: "absent"
      with_items:
        - "/var/lib/lxc/{{ container_name }}"
      delegate_to: "{{ physical_host }}"
      when:
        - force_containers_destroy | bool
    - name: Destroy container data
      file:
        path: "{{ item }}"
        state: "absent"
      with_items:
        - "/openstack/{{ container_name }}"
        - "/openstack/backup/{{ container_name }}"
        - "/openstack/log/{{ container_name }}"
        - "/var/log/lxc/lxc-{{ container_name }}.log"
      delegate_to: "{{ physical_host }}"
      when:
        - force_containers_destroy | bool
        - force_containers_data_destroy | bool
  vars_prompt:
    - name: "force_containers_destroy"
      prompt: "Are you sure you want to destroy the LXC containers?"
      default: "no"
      private: no
      when: force_containers_destroy is undefined
    - name: "force_containers_data_destroy"
      prompt: "Are you sure you want to destroy the LXC container data?"
      default: "no"
      private: no
      when: force_containers_data_destroy is undefined
  tags:
    - lxc-containers-destroy