# Test code for the systemd module.
# (c) 2017, James Tanner <tanner.jc@gmail.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/>.

##
## systemctl
##

- name: check for systemctl command
  shell: which systemctl
  failed_when: False
  register: systemctl_check

- meta: end_host
  when: systemctl_check.rc != 0

- set_fact:
    ssh_service: '{{ "ssh" if ansible_os_family == "Debian" else "sshd" }}'

- block:
    - name: get a list of running services
      shell: systemctl | fgrep 'running' | awk '{print $1}' | sed 's/\.service//g' | fgrep -v '.' | egrep ^[a-z]
      register: running_names
    - debug: var=running_names

    - name: check running state
      systemd:
          name: "{{ running_names.stdout_lines|random }}"
          state: started
      register: systemd_test0
    - debug: var=systemd_test0
    - name: validate results for test0
      assert:
          that:
              - 'systemd_test0.changed is defined'
              - 'systemd_test0.name is defined'
              - 'systemd_test0.state is defined'
              - 'systemd_test0.status is defined'
              - 'not systemd_test0.changed'
              - 'systemd_test0.state == "started"'

    - name: the module must fail when a service is not found
      systemd:
          name: '{{ fake_service }}'
          state: stopped
      register: result
      ignore_errors: yes

    - assert:
          that:
              - result is failed
              - 'result is search("Could not find the requested service {{ fake_service }}")'

    - name: the module must fail in check_mode as well when a service is not found
      systemd:
          name: '{{ fake_service }}'
          state: stopped
      register: result
      check_mode: yes
      ignore_errors: yes

    - assert:
          that:
              - result is failed
              - 'result is search("Could not find the requested service {{ fake_service }}")'

    - name: check that the module works even when systemd is offline (eg in chroot)
      systemd:
          name: "{{ running_names.stdout_lines|random }}"
          state: started
      environment:
          SYSTEMD_OFFLINE: 1

- name: Disable ssh 1
  systemd:
    name: '{{ ssh_service }}'
    enabled: false
  register: systemd_disable_ssh_1

- name: Disable ssh 2
  systemd:
    name: '{{ ssh_service }}'
    enabled: false
  register: systemd_disable_ssh_2

- name: Enable ssh 1
  systemd:
    name: '{{ ssh_service }}'
    enabled: true
  register: systemd_enable_ssh_1

- name: Enable ssh 2
  systemd:
    name: '{{ ssh_service }}'
    enabled: true
  register: systemd_enable_ssh_2

- assert:
    that:
      - systemd_disable_ssh_2 is not changed
      - systemd_enable_ssh_1 is changed
      - systemd_enable_ssh_2 is not changed