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Getting started with Ansible Molecule
- This article serves as a guide to set up Ansible Molecule for testing Ansible roles by running them against virtual machines managed by Vagrant using VirtualBox.
- System requirements include having virtualization enabled in BIOS or UEFI, a Linux system, understanding of Ansible, and Python >= 3.10 along with python-venv and python-pip packages.
- Installation of required Python packages like Ansible, Molecule, and its Vagrant plugin is needed following specific versions for compatibility.
- Additional tools required for setting up Ansible Molecule testing include VirtualBox and Vagrant with specified versions for example, 7.1.6 and 2.4.3 respectively.
- The development environment setup involves initializing a role with ansible-galaxy and then creating a molecule scenario which results in a directory structure containing necessary files.
- Creating and managing instances in Molecule, especially with Vagrant, is explained including cleaning up and handling potential issues with ephermal directories.
- Provisioning services on instances using Ansible tasks like installing Apache web server and performing post-installation configurations is detailed.
- Testing the provisioned services is demonstrated with Ansible test tasks verifying the installation and functionality of Apache web server.
- This step-by-step guide concludes with the ability to automate testing of Ansible roles using Molecule against VirtualBox virtual machines, providing a solid foundation for further enhancements.
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