# (c) 2017, Sam Doran <sdoran@redhat.com>

# This file is part of Ansible
#
# Ansible is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# Ansible is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with Ansible.  If not, see <http://www.gnu.org/licenses/>.


# First Test
# ##############################################################################
# Test changing the state, which requires a reboot

- name: TEST 1 | Get current SELinux config file contents
  set_fact:
    selinux_config_original: "{{ lookup('file', '/etc/sysconfig/selinux').split('\n') }}"
    before_test_sestatus: "{{ ansible_selinux }}"

- debug:
    var: "{{ item }}"
    verbosity: 1
  with_items:
    - selinux_config_original
    - before_test_sestatus
    - ansible_selinux

- name: TEST 1 | Setup SELinux configuration for tests
  selinux:
    state: enforcing
    policy: targeted

- name: TEST 1 | Disable SELinux
  selinux:
    state: disabled
    policy: targeted
  register: _disable_test1

- debug:
    var: _disable_test1
    verbosity: 1

- name: TEST 1 | Re-gather facts
  setup:

- name: TEST 1 | Assert that status was changed, reboot_required is True, a warning was displayed, and SELinux is configured properly
  assert:
    that:
      - _disable_test1 is changed
      - _disable_test1.reboot_required
      - (_disable_test1.warnings | length ) >= 1
      - ansible_selinux.config_mode == 'disabled'
      - ansible_selinux.type == 'targeted'

- debug:
    var: ansible_selinux
    verbosity: 1

- name: TEST 1 | Disable SELinux again
  selinux:
    state: disabled
    policy: targeted
  register: _disable_test2

- debug:
    var: _disable_test2
    verbosity: 1

- name: TEST 1 | Assert that no change is reported, a warnking was dispalyed, and reboot_required is True
  assert:
    that:
      - _disable_test2 is not changed
      - (_disable_test1.warnings | length ) >= 1
      - _disable_test2.reboot_required

- name: TEST 1 | Get modified config file
  set_fact:
    selinux_config_after: "{{ lookup('file', '/etc/sysconfig/selinux').split('\n') }}"

- debug:
    var: selinux_config_after
    verbosity: 1

- name: TEST 1 | Ensure SELinux config file is properly formatted
  assert:
    that:
      - selinux_config_original | length == selinux_config_after | length
      - selinux_config_after[selinux_config_after.index('SELINUX=disabled')]  is search("^SELINUX=\w+$")
      - selinux_config_after[selinux_config_after.index('SELINUXTYPE=targeted')]  is search("^SELINUXTYPE=\w+$")

- name: TEST 1 | Reset SELinux configuration for next test
  selinux:
    state: enforcing
    policy: targeted


# Second Test
# ##############################################################################
# Test changing only the policy, which does not require a reboot

- name: TEST 2 | Make sure the policy is present
  package:
    name: selinux-policy-mls
    state: present

- name: TEST 2 | Set SELinux policy
  selinux:
    state: enforcing
    policy: mls
  register: _state_test1

- debug:
    var: _state_test1
    verbosity: 1

- name: TEST 2 | Re-gather facts
  setup:

- debug:
    var: ansible_selinux
  tags: debug

- name: TEST 2 | Assert that status was changed, reboot_required is False, no warnings were displayed, and SELinux is configured properly
  assert:
    that:
      - _state_test1 is changed
      - not _state_test1.reboot_required
      - _state_test1.warnings is not defined
      - ansible_selinux.config_mode == 'enforcing'
      - ansible_selinux.type == 'mls'

- name: TEST 2 | Set SELinux policy again
  selinux:
    state: enforcing
    policy: mls
  register: _state_test2

- debug:
    var: _state_test2
    verbosity: 1

- name: TEST 2 | Assert that no change was reported, no warnings were dispalyed, and reboot_required is False
  assert:
    that:
      - _state_test2 is not changed
      - _state_test2.warnings is not defined
      - not _state_test2.reboot_required

- name: TEST 2 | Get modified config file
  set_fact:
    selinux_config_after: "{{ lookup('file', '/etc/sysconfig/selinux').split('\n') }}"

- debug:
    var: selinux_config_after
    verbosity: 1

- name: TEST 2 | Ensure SELinux config file is properly formatted
  assert:
    that:
      - selinux_config_original | length == selinux_config_after | length
      - selinux_config_after[selinux_config_after.index('SELINUX=enforcing')]  is search("^SELINUX=\w+$")
      - selinux_config_after[selinux_config_after.index('SELINUXTYPE=mls')]  is search("^SELINUXTYPE=\w+$")

- name: TEST 2 | Reset SELinux configuration for next test
  selinux:
    state: enforcing
    policy: targeted


# Third Test
# ##############################################################################
# Test changing non-existing policy

- name: TEST 3 | Set SELinux policy
  selinux:
    state: enforcing
    policy: non-existing-selinux-policy
  register: _state_test1
  ignore_errors: yes

- debug:
    var: _state_test1
    verbosity: 1

- name: TEST 3 | Re-gather facts
  setup:

- debug:
    var: ansible_selinux
  tags: debug

- name: TEST 3 | Assert that status was not changed, the task failed, the msg contains proper information and SELinux was not changed
  assert:
    that:
      - not _state_test1 | changed
      - _state_test1 | failed
      - _state_test1.msg == 'Policy non-existing-selinux-policy does not exist in /etc/selinux/'
      - ansible_selinux.config_mode == 'enforcing'
      - ansible_selinux.type == 'targeted'