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molecule

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An ansible-native testing framework for collections, playbooks, and roles with configurable workflows for testing any system or service

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# About Ansible Molecule

[![PyPI Package](https://img.shields.io/pypi/v/molecule)](https://pypi.org/project/molecule/)
[![Documentation Status](https://readthedocs.org/projects/molecule/badge/?version=latest)](https://docs.ansible.com/projects/molecule/)
[![image](https://github.com/ansible/molecule/workflows/tox/badge.svg)](https://github.com/ansible/molecule/actions)
[![Python Black Code Style](https://img.shields.io/badge/code%20style-black-000000.svg)](https://github.com/python/black)
[![Ansible Code of Conduct](https://img.shields.io/badge/Code%20of%20Conduct-silver.svg)](https://docs.ansible.com/projects/ansible/latest/community/code_of_conduct.html)
[![Discussions](https://img.shields.io/badge/Discussions-silver.svg)](https://forum.ansible.com/tag/molecule)
[![Repository License](https://img.shields.io/badge/license-MIT-brightgreen.svg)](https://raw.githubusercontent.com/ansible/molecule/main/LICENSE)

Molecule is an Ansible testing framework designed for developing and testing
[Ansible](https://ansible.com) collections, playbooks, and roles.

Molecule leverages standard Ansible features including inventory, playbooks,
and collections to provide flexible testing workflows. Test scenarios can
target any system or service reachable from Ansible, from containers and
virtual machines to cloud infrastructure, hyperscaler services, APIs,
databases, and network devices. Molecule can also validate inventory
configurations and dynamic inventory sources.

Molecule encourages an approach that results in consistently developed
Ansible content that is well-written, easily understood and maintained.

Molecule supports only the latest two major versions of Ansible (N/N-1).

Once installed, the command line can be called using any of the methods
below:

```bash
molecule ...
python3 -m molecule ...  # python module calling method
```

## Documentation

Read the documentation and more at <https://docs.ansible.com/projects/molecule//>.

## Get Involved

See the [Talk to us](https://docs.ansible.com/projects/molecule//contributing/#talk-to-us) section of the documentation to ask questions, find help, and join the conversation.

For complete details, see the
[Ansible communication guide](https://docs.ansible.com/projects/ansible/devel/community/communication.html).

If you want to get moving fast and make a quick patch:

```bash
git clone https://github.com/ansible/molecule && cd molecule
python3 -m venv .venv && source .venv/bin/activate
python3 -m pip install -U setuptools pip tox
```

And you're ready to make your changes!

## Authors

Molecule project was created by [Retr0h](https://github.com/retr0h) and
it is now community-maintained as part of the
[Ansible](https://ansible.com) by Red Hat project.

## License

The
[MIT](https://github.com/ansible/molecule/blob/main/LICENSE)
License.

The logo is licensed under the [Creative Commons NoDerivatives 4.0
License](https://creativecommons.org/licenses/by-nd/4.0/).

If you have some other use in mind, contact us.

molecule

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