ansible/test/integration/targets/sysctl/tasks/main.yml

# Test code for the sysctl 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/>.

- set_fact: output_dir_test={{output_dir}}/test_sysctl

- name: make sure our testing sub-directory does not exist
  file: path="{{ output_dir_test }}" state=absent

- name: create our testing sub-directory
  file: path="{{ output_dir_test }}" state=directory

##
## sysctl - file manipulation
##

- name: copy the example conf to the test dir
  copy:
      src: sysctl.conf
      dest: "{{ output_dir_test }}"

- name: Set vm.swappiness to 5
  sysctl:
      name: vm.swappiness
      value: 5
      state: present
      reload: False
      sysctl_file: "{{ output_dir_test }}/sysctl.conf"
  register: sysctl_test0
- debug: var=sysctl_test0

- name: get file content
  shell: "cat {{ output_dir_test }}/sysctl.conf | egrep -v ^\\#"
  register: sysctl_content0
- debug: var=sysctl_content0

- name: Set vm.swappiness to 5 again
  sysctl:
      name: vm.swappiness
      value: 5
      state: present
      reload: False
      sysctl_file: "{{ output_dir_test }}/sysctl.conf"
  register: sysctl_test1

- name: validate results
  assert:
      that:
          - 'sysctl_test0.changed is defined'
          - 'sysctl_test1.changed is defined'
          - 'sysctl_test0.changed'
          - 'not sysctl_test1.changed'
          - 'sysctl_content0.stdout_lines == ["vm.swappiness=5"]'

##
## sysctl - sysctl_set
##

- name: set net.ipv4.ip_forward
  sysctl:
      name: net.ipv4.ip_forward
      value: 1
      sysctl_set: yes
      reload: False
  register: sysctl_test2
- debug: var=sysctl_test2

- name: check with sysctl command
  shell: sysctl net.ipv4.ip_forward
  register: sysctl_check2

- name: validate results for test 2
  assert:
      that:
          - 'sysctl_test2.changed is defined'
          - 'sysctl_test2.changed'
          - 'sysctl_check2.stdout_lines == ["net.ipv4.ip_forward = 1"]'