---
# 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: Ensure we get needed facts
  setup:
    gather_subset:
      - '!all'
      - '!any'
      - '!min'
      - env

# "check_undercloud_conf" tasks
- name: "Retrieve {{ ansible_env.HOME }}/undercloud.conf content"
  slurp:
    src: "{{ ansible_env.HOME }}/undercloud.conf"
  register: uc_conf_content

- name: Store all properties and file type properties
  # b64decode will return all lines delimited by \n character in a
  # single string. Therefore, we can really use ^/$.
  # Get the string ([a-zA-Z0-9_]) after each \n skipping whitespaces
  # until the equals.
  # For the file properties, store all properties which after the =
  # matches a directory. Being the directory optionally started
  # by . or ~, followed by / and anything else until getting to \n.
  # Ex: container_images_file= /home/stack/containers-prepare-parameter.yaml
  set_fact:
    uc_conf_props: "{{ uc_conf_content['content'] | b64decode |
                   regex_findall('\\\n\\s*(\\w+)\\s*=[^\\\n]') }}"
    uc_file_props: "{{ uc_conf_content['content'] | b64decode |
                   regex_findall('\\\n\\s*(\\w+)\\s*=\\s*[.~]*\\/[^\\\n]') }}"

- name: Get value from conf file
  validations_read_ini:
    path: "{{ ansible_env.HOME }}/undercloud.conf"
    section: DEFAULT
    key: "{{ item }}"
  register: conf_values
  loop: "{{ uc_file_props }}"

- name: Check file property point to existing file
  stat:
    path: "{{ item.value }}"
  register: file_prop_stat
  loop: "{{ conf_values.results }}"

- name: fail if location doesn't exist
  fail:
    msg: >-
      File configured in {{ ansible_env.HOME }}/undercloud.conf {{ item.item.item }}
      does not exist
  when: not item.stat.exists
  loop: "{{ file_prop_stat.results }}"

- include_tasks: check_syntax.yml