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+---
+title: Test Driven Ansible Role Development with Molecule
+date: 2019-06-02
+excerpt:
+  Some resources that I found for testing Ansible roles with a tool called
+  Molecule.
+tags: [ansible, molecule, testing, video]
+---
+
+I used to maintain a number of [Ansible roles][roles], and I recently wrote one
+for automatically generating `settings.php` files for Drupal projects that I use
+for some client projects as part of the [Ansible and Ansistrano deployment
+process][talk], as it can populate these files with credentials stored in
+Ansible Vault.
+
+I uploaded an initial version of the role [onto GitHub][github], but haven’t yet
+released it onto Ansible Galaxy.
+
+I’d seen in other people’s roles and read elsewhere about writing automated
+tests for Ansible roles using a tool called [Molecule][molecule], and wanted to
+write some tests for this role before publishing it onto Galaxy.
+
+I looked around for resources about Molecule, and found a [blog post by Jeff
+Geerling][jeff-post], but also this YouTube video that I found very helpful.
+
+I’ve since been re-writing the role from scratch based on Molecule, and plan to
+release an official version of it soon.
+
+{% include 'video-embed' with {
+    classes: 'video-full',
+    video: {
+        id: 'DAnMyBZ8-Qs',
+        attr: {
+            height: '315',
+            width: '560',
+        }
+    }
+} %}
+
+[github]: https://github.com/opdavies/ansible-role-drupal-settings
+[jeff-post]:
+  https://www.jeffgeerling.com/blog/2018/testing-your-ansible-roles-molecule
+[molecule]: https://molecule.readthedocs.io
+[roles]:
+  https://docs.ansible.com/ansible/latest/user_guide/playbooks_reuse_roles.html
+[talk]: /talks/deploying-php-ansible-ansistrano