Ansible Development Tutorial using molecule

Content

Ansible

• Ansible Overview
• Automation
• Ansible AD-HOC
  • Example
• Ansible Playbook
  • Example
• Ansible Galaxy
  • Example

Molecule

• Molecule Overview
• Why Molecule?
• Useful Tools
  • virtualenv
  • virtualenvwrapper
• Installation
• Setup Test Environment
• Variable Substitution
• Dependency
• Driver(Platforms)
  • Docker
  • Vagrant(virtualBox/Libvirt)
• Provisioner
• Lint
  • yamllint
  • ansible-lint
• Scenario
• Verifier
  • Lint(flake8)
  • Test(TestInfra)

Molecule Practical Example

• Create a new role
• Test the role with a new image built by yourself
• Test the role with a pre_built image
• How to build an test image
• Develop Test Python
• Test a role on multiple platforms

Best Practice

• Key Points
  • Solid Test Process
  • Continous Integration (Travis)
• Example

https://drive.google.com/drive/u/1/my-drive https://molecule.readthedocs.io/en/latest/index.html https://medium.com/@dan_kim/%ED%8C%8C%EC%9D%B4%EC%8D%AC-%EC%B4%88%EC%8B%AC%EC%9E%90%EB%A5%BC-%EC%9C%84%ED%95%9C-pip-%EA%B7%B8%EB%A6%AC%EA%B3%A0-virtualenv-%EC%86%8C%EA%B0%9C-a53512fab3c2

http://flake8.pycqa.org/en/latest/manpage.html

https://tox.readthedocs.io/en/latest/example/pytest.html#basic-example

https://www.jeffgeerling.com/blog/2018/testing-your-ansible-roles-molecule

https://docs.travis-ci.com/user/customizing-the-build/#build-matrix

https://testinfra.readthedocs.io/en/latest/

https://testinfra.readthedocs.io/en/latest/modules.html

https://www.jeffgeerling.com/blog/2018/how-i-test-ansible-configuration-on-7-different-oses-docker

https://opensource.com/article/18/12/testing-ansible-roles-molecule

https://blog.codecentric.de/en/2018/12/test-driven-infrastructure-ansible-molecule/

https://developer.rackspace.com/blog/molecule-for-existing-roles/

https://medium.com/@elgallego/ansible-role-testing-molecule-7a64f43d95cb

https://medium.com/@elgallego/molecule-2-x-tutorial-5dc1ee6b29e3

https://blog.codecentric.de/en/2018/12/continuous-infrastructure-ansible-molecule-travisci/