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.. _vars_plugins:
Vars Plugins
============
.. contents::
:local:
:depth: 2
Vars plugins inject additional variable data into Ansible runs that did not come from an inventory source, playbook, or command line. Playbook constructs like 'host_vars' and 'group_vars' work using vars plugins.
Vars plugins were partially implemented in Ansible 2.0 and rewritten to be fully implemented starting with Ansible 2.4.
The :ref:`host_group_vars <host_group_vars_vars>` plugin shipped with Ansible enables reading variables from :ref:`host_variables` and :ref:`group_variables`.
.. _enable_vars:
Enabling vars plugins
---------------------
You can activate a custom vars plugin by either dropping it into a ``vars_plugins`` directory adjacent to your play, inside a role, or by putting it in one of the directory sources configured in :ref:`ansible.cfg <ansible_configuration_settings>`.
.. _using_vars:
Using vars plugins
------------------
Vars plugins are used automatically after they are enabled.
.. _vars_plugin_list:
Plugin Lists
------------
You can use ``ansible-doc -t vars -l`` to see the list of available plugins.
Use ``ansible-doc -t vars <plugin name>`` to see specific plugin-specific documentation and examples.
.. toctree:: :maxdepth: 1
:glob:
vars/*
.. seealso::
:ref:`action_plugins`
Ansible Action plugins
:ref:`cache_plugins`
Ansible Cache plugins
:ref:`callback_plugins`
Ansible callback plugins
:ref:`connection_plugins`
Ansible connection plugins
:ref:`inventory_plugins`
Ansible inventory plugins
:ref:`shell_plugins`
Ansible Shell plugins
:ref:`strategy_plugins`
Ansible Strategy plugins
`User Mailing List <https://groups.google.com/group/ansible-devel>`_
Have a question? Stop by the google group!
`irc.libera.chat <https://libera.chat/>`_
#ansible IRC chat channel
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