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Ansible simplified yaml inventory

Project description

documentation python

Kheops Ansible Roster Plugin

This repository contains an Ansible inventory plugin to generate inventory from a subjectively simpler inventory description file while having more possibilities.

Supports ranges (eg: "[0:9]") and regex hostnames (eg: "(dev|prd)-srv")


Install latest version:

python3 -mpip install --pre -U kheops-roster


  • Subjectively simpler syntax

  • Tags that behave like groups but that do not create groups. Will be renamed to "Categories" to differenciate from Ansible Playbook tags.

  • Ranges and Regex support: sql-[0:9], (front|back)end-[0:9]


'Roster' inventory file

The roster inventory file is a typical yaml file.

A sample, commented, file named 'roster.yml.tpl' is located at the root of the git repository.

In order for ansible to use the plugin and parse your roster file, several conditions must be met.

  • Your yaml file must contain a line indicating that the file is in the roster format.

  • You must activate plugins and enable the roster inventory plugin in your ansible.cfg

Sample roster.yml

plugin: roster


Sample edited ansible.cfg

# The following line prevents having to pass -i to ansible-inventory.
# Filename can be anything as long as it has a 'yml' or 'yaml' extension although
# the plugin will directly accept any file named 'roster.yml'.
inventory = roster.yml

# You must enable the roster plugin if 'auto' does not work for you
enable_plugins = roster

Verify that the plugin is correctly found:

ansible-inventory --graph


To run unit tests, you can simply run the make target:

# run all tests:
make check

It's also possible to quickly check the output inventory:

ANSIBLE_INVENTORY_ENABLED=roster ANSIBLE_INVENTORY_PLUGINS="$(pwd)/ansible_roster/plugins/inventory" ansible-inventory --list -i roster.yml


This project is licensed under the MIT License - see the LICENSE file for details


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