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Usage of Molecule and Ansible for development
Kushal Das edited this page Dec 11, 2020
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We use Ansible heavily in SecureDrop project. Except the actual installation process, we use Molecule along with ansible for the other steps.
All the available molecule scenarios can be found at ./molecule/
directory.
- builder-xenial
- builder-focal
- testinfra
- vagrant-packager
- fetch-tor-packages
- libvirt-staging-xenial
- libvirt-staging-focal
- qubes-staging-focal
- qubes-staging-xenial
- upgrade
- virtualbox-staging-xenial
These 2 scenarios build the debian packages for the SecureDrop
server code and related packages.
For the following, we will examine the builder-focal
scenario.
Let us dig into the files in the scenario.
- ansible-override-vars.yml
- The file contains two variables which are used in conditions to mark that we are building for Focal. These are used inside of the actual package building roles.
- aptpreferences.conf
- Apt file
- create.yml
- This creates all the containers defined in the molecule.yml file.
- destroy.yml
- Destroys the containers created in the create step
- Dockerfile
- Dockerfile for the builder container image, this needs to pushed to the container repository
- image_hash
- Hash of the container image
- Makefile
- The make file
- molecule.yml
- Main file which defines all configurations, from where to find the Ansible roles, and what all steps should be takes for this scenario.
- playbook.yml
- After the containers are running, this runs the various roles to build the actual packages. It also does the initial package testing. Check the various roles in "Build SecureDrop application Debian package from local repository." task to find which package gets build via which container.
- push.sh
- To push the container image.