ansible.utils.subnet_of test – Test if a network is a subnet of another network

Note

This test plugin is part of the ansible.utils collection (version 5.1.2).

You might already have this collection installed if you are using the ansible package. It is not included in ansible-core. To check whether it is installed, run ansible-galaxy collection list.

To install it, use: ansible-galaxy collection install ansible.utils.

To use it in a playbook, specify: ansible.utils.subnet_of.

New in ansible.utils 2.2.0

Synopsis

  • This plugin checks if the first network is a subnet of the second network amongst the provided network addresses

Keyword parameters

This describes keyword parameters of the test. These are the values key1=value1, key2=value2 and so on in the following examples: input is ansible.utils.subnet_of(key1=value1, key2=value2, ...) and input is not ansible.utils.subnet_of(key1=value1, key2=value2, ...)

Parameter

Comments

network_a

string / required

A string that represents the first network address

For example: 10.1.1.0/24

network_b

string / required

A string that represents the second network address

For example: 10.0.0.0/8

Examples

- name: Check if 10.1.1.0/24 is a subnet of 10.0.0.0/8
  ansible.builtin.set_fact:
    data: "{{ '10.1.1.0/24' is ansible.utils.subnet_of '10.0.0.0/8' }}"

# TASK [Check if 10.1.1.0/24 is a subnet of 10.0.0.0/8] **************************
# ok: [localhost] => {
#     "ansible_facts": {
#         "data": true
#     },
#     "changed": false
# }

- name: Check if 192.168.1.0/24 is not a subnet of 10.0.0.0/8
  ansible.builtin.set_fact:
    data: "{{ '192.168.1.0/24' is not ansible.utils.subnet_of '10.0.0.0/8' }}"

# TASK [Check if 192.168.1.0/24 is not a subnet of 10.0.0.0/8] *******************
# ok: [localhost] => {
#     "ansible_facts": {
#         "data": true
#     },
#     "changed": false
# }

Return Value

Key

Description

data

string

If jinja test satisfies plugin expression true

If jinja test does not satisfy plugin expression false

Returned: success

Authors

  • Priyam Sahoo (@priyamsahoo)

Hint

Configuration entries for each entry type have a low to high priority order. For example, a variable that is lower in the list will override a variable that is higher up.