macOS
brew install moleculelocal Homebrew formula metadata
brew
Automated testing for Ansible roles. Version 26.6.0 via Homebrew; verified 2026-07-01.
install
brew install moleculelocal Homebrew formula metadata
nix profile install nixpkgs#moleculenixpkgs package indexes · molecule · source: raw.githubusercontent.com
sudo pacman -S moleculeArch Linux sync databases · molecule · source: geo.mirror.pkgbuild.com
sudo zypper install moleculeopenSUSE Tumbleweed package metadata · molecule · source: download.opensuse.org
overview
Automated testing for Ansible roles
history
Molecule is an Ansible testing framework for developing and testing Ansible collections, playbooks, and roles. The Ansible project README credits Retr0h as the creator and describes the project as community-maintained as part of Ansible by Red Hat. Its official documentation presents Molecule as a framework that uses standard Ansible concepts such as inventory, playbooks, and collections to test systems reachable through containers, virtual machines, cloud infrastructure, APIs, databases, network devices, and other targets.
The major adoption turning point came in 2018, when Ansible announced that it would adopt molecule and ansible-lint as official Red Hat Ansible projects. The announcement said the tools were community-built and important to Ansible automation development, thanked Cisco and John Dewey for work on Molecule, and described migration of the repositories to the ansible GitHub organization while keeping the PyPI package name molecule. That move gave Molecule a formal place in the Ansible toolchain rather than leaving it as a separate community utility.
In practice, Molecule gives role and collection authors a repeatable local and CI workflow: initialize a scenario, create or converge test instances, run Ansible content, then verify behavior through Ansible-native checks or external verifiers. The docs show CI use with GitHub Actions, Travis CI, GitLab CI, Azure Pipelines, and molecule test. Community adoption is visible in Ansible role maintainers replacing homegrown Docker-based test rigs with Molecule-based tests after the Red Hat adoption announcement.
The project broadened from role-only testing toward playbooks and collections. Red Hat's 2023 Molecule 6 developer-preview article framed Molecule as part of the Ansible Automation Platform developer experience and emphasized functional testing for Ansible content, including collection-level testing and making the Testinfra verifier optional in favor of Ansible-native validation.
security posture
No matching local secret-handling manifest was found for molecule. Nucleus package metadata is still published here so future coverage has a stable package URL.
Before unattended agent use, check whether the tool reads plaintext credentials, writes remote state, publishes artifacts, or shells out to plugins.
local files
These source-backed paths show where this package keeps local settings or durable credentials. Automic Vault can use them as review targets for secret scanning, migration, and command approval.
Config paths the tool may read or write during local use.
~/.config/molecule/config.yml./config.ymlextensions/molecule/config.ymlmolecule.ymlexecutables
| Command | Kind | Exposure | Note |
|---|---|---|---|
molecule | cli | global executable |
freshness
These signals separate page generation age, package-manager activity, and upstream release comparison. Version lag is warned only when an evidence URL and comparable versions are present.
https://molecule.readthedocs.io
install metadata
| Package key | brew:molecule |
|---|---|
| Version | 26.6.0 |
| Package manager | Homebrew |
| Package manager page | https://formulae.brew.sh/formula/molecule |
| Homepage | https://molecule.readthedocs.io |
| Repository | https://github.com/ansible/molecule |
| Upstream docs | https://docs.ansible.com/projects/molecule |
| License | MIT |
| Source archive | https://files.pythonhosted.org/packages/b6/81/7391315d9e10d7a37bb11d0d83d5d03303f698292465e3c1620028a3abf7/molecule-26.6.0.tar.gz |
| Last updated | 2026-07-01T13:19:30Z |
| Pulse | updated |
| Dependencies | ansible, certifi, cryptography, libyaml, python@3.14, rpds-py |
| Uses from macOS | libffi |
| Bottle | available (on arm64_linux, arm64_sequoia, arm64_sonoma, arm64_tahoe, sonoma, x86_64_linux) |
| Homebrew post-install | not defined |
| Service | none declared |
registry facts
| Source Database | Homebrew formula API |
|---|---|
| Tap | homebrew/core |
| Full Name | molecule |
| Version Scheme | 0 |
| Revision | 0 |
| Bottle Stable Root URL | https://ghcr.io/v2/homebrew/core |
| Deprecated | no |
| Disabled | no |
| Keg Only | no |
| URL Keys |
|
source database matches
Matches are pulled from external package-manager indexes and kept separate from local Automic Vault package links.
molecule
nix profile install nixpkgs#moleculemolecule 26.4.0-2
Aids in the development and testing of Ansible roles
https://github.com/ansible-community/molecule
sudo pacman -S moleculemolecule 26.3.0-1.1
Aids in the development and testing of Ansible roles
https://github.com/ansible-community/molecule
sudo zypper install moleculesource trail
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View the package source record on GitHub.