---
# Copyright 2019 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: Verify
  hosts: all
  become: true
  gather_facts: false
  tasks:
    - name: Check if hosts lines were written to hosts file
      lineinfile:
        path: /tmp/hosts
        line: "{{ item }}"
      register: hosts_result
      check_mode: true
      loop:
        - 192.168.24.2 centos7.localdomain centos7
        - 192.168.24.2 centos7.ctlplane.localdomain centos7.ctlplane
        - 172.17.0.2 centos7.internalapi.localdomain centos7.internalapi
        - 192.168.24.1 centos8.localdomain centos8
        - 192.168.24.1 centos8.ctlplane.localdomain centos8.ctlplane
        - 172.17.0.1 centos8.internalapi.localdomain centos8.internalapi

    - name: slurp /tmp/hosts
      slurp:
        path: /tmp/hosts
      register: slurp_hosts

    - name: Show /tmp/hosts
      debug:
        var: slurp_hosts['content'] | b64decode

    - name: Fail if hosts was changed
      debug:
        msg: "hosts was changed"
      failed_when: hosts_result is changed