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

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# 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/>.
# NOTE: Testing sysctl inside an unprivileged container means that we cannot
# apply sysctl, or it will always fail, because of that in most cases (except
# those when it should fail) we have to use `reload=no`.
- name: Test inside Docker
when:
- ansible_facts.virtualization_type == 'docker'
block:
- 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: no
sysctl_file: "{{ output_dir_test }}/sysctl.conf"
register: sysctl_test0
- debug:
var: sysctl_test0
verbosity: 1
- name: get file content
shell: "cat {{ output_dir_test }}/sysctl.conf | egrep -v ^\\#"
register: sysctl_content0
- debug:
var: sysctl_content0
verbosity: 1
- name: Set vm.swappiness to 5 again
sysctl:
name: vm.swappiness
value: 5
state: present
reload: no
sysctl_file: "{{ output_dir_test }}/sysctl.conf"
register: sysctl_test1
- name: validate results
assert:
that:
- sysctl_test0 is changed
- sysctl_test1 is not changed
- 'sysctl_content0.stdout_lines[sysctl_content0.stdout_lines.index("vm.swappiness=5")] == "vm.swappiness=5"'
- name: Remove kernel.panic
sysctl:
name: kernel.panic
value: 2
reload: no
state: absent
sysctl_file: "{{ output_dir_test }}/sysctl.conf"
register: sysctl_test2
- name: get file content
shell: "cat {{ output_dir_test }}/sysctl.conf | egrep -v ^\\#"
register: sysctl_content2
- debug:
var: item
verbosity: 1
with_items:
- "{{ sysctl_test2 }}"
- "{{ sysctl_content2 }}"
- name: Validate results for key removal
assert:
that:
- sysctl_test2 is changed
- "'kernel.panic' not in sysctl_content2.stdout_lines"
- name: Test remove kernel.panic again
sysctl:
name: kernel.panic
value: 2
state: absent
reload: no
sysctl_file: "{{ output_dir_test }}/sysctl.conf"
register: sysctl_test2_change_test
- name: Assert that no change was made
assert:
that:
- sysctl_test2_change_test is not changed
- name: Try sysctl with an invalid value
sysctl:
name: net.ipv4.ip_forward
value: foo
register: sysctl_test3
ignore_errors: yes
- debug:
var: sysctl_test3
verbosity: 1
- name: validate results for test 3
assert:
that:
- sysctl_test3 is failed
##
## sysctl - sysctl_set
##
- name: set net.ipv4.ip_forward
sysctl:
name: net.ipv4.ip_forward
value: 1
sysctl_set: yes
reload: no
register: sysctl_test3
- name: check with sysctl command
shell: sysctl net.ipv4.ip_forward
register: sysctl_check3
- debug:
var: item
verbosity: 1
with_items:
- "{{ sysctl_test3 }}"
- "{{ sysctl_check3 }}"
- name: validate results for test 3
assert:
that:
- sysctl_test3 is changed
- 'sysctl_check3.stdout_lines == ["net.ipv4.ip_forward = 1"]'
- name: Try sysctl with no name
sysctl:
name:
value: 1
sysctl_set: yes
ignore_errors: True
register: sysctl_no_name
- name: validate nameless results
assert:
that:
- sysctl_no_name is failed
- "sysctl_no_name.msg == 'name cannot be None'"
- name: Try sysctl with no value
sysctl:
name: Foo
value:
sysctl_set: yes
ignore_errors: True
register: sysctl_no_value
- name: validate nameless results
assert:
that:
- sysctl_no_value is failed
- "sysctl_no_value.msg == 'value cannot be None'"
- name: Try sysctl with an invalid value
sysctl:
name: net.ipv4.ip_forward
value: foo
sysctl_set: yes
register: sysctl_test4
ignore_errors: yes
- debug:
var: sysctl_test4
verbosity: 1
- name: validate results for test 4
assert:
that:
- sysctl_test4 is failed
- name: Test on RHEL VMs
when:
- ansible_facts.virtualization_type != 'docker'
- ansible_facts.distribution == 'RedHat'
block:
# Test reload: yes
- name: Set sysctl property using module
sysctl:
name: vm.swappiness
value: '22'
state: present
reload: yes
register: sysctl_set1
- name: Change sysctl property using command
command: sysctl vm.swappiness=33
- name: Set sysctl property using module
sysctl:
name: vm.swappiness
value: '22'
state: present
reload: yes
register: sysctl_set2
- name: Read /etc/sysctl.conf
command: 'egrep -v ^# /etc/sysctl.conf'
register: sysctl_conf_content
- name: Get current value of vm.swappiness
command: sysctl -n vm.swappiness
register: sysctl_current_vm_swappiness
- name: Ensure changes were made appropriately
assert:
that:
- sysctl_set1 is changed
- sysctl_set2 is changed
- "'vm.swappiness=22' in sysctl_conf_content.stdout_lines"
- sysctl_current_vm_swappiness.stdout == '22'
# Test reload: yes in check mode
- name: Set the same value using module in check mode
sysctl:
name: vm.swappiness
value: '22'
state: present
reload: yes
check_mode: yes
register: sysctl_check_mode1
- name: Set a different value using module in check mode
sysctl:
name: vm.swappiness
value: '44'
state: present
reload: yes
check_mode: yes
register: sysctl_check_mode2
- name: Read /etc/sysctl.conf
command: 'egrep -v ^# /etc/sysctl.conf'
register: sysctl_check_mode_conf_content
- name: Get current value of vm.swappiness
command: sysctl -n vm.swappiness
register: sysctl_check_mode_current_vm_swappiness
- name: Ensure no changes were made in check mode
assert:
that:
- sysctl_check_mode1 is success
- sysctl_check_mode2 is changed
- "'vm.swappiness=22' in sysctl_check_mode_conf_content.stdout_lines"
- sysctl_check_mode_current_vm_swappiness.stdout == '22'