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kevinveenbirkenbachandClaude Opus 4.7
4d90bcb7f3
Modern MariaDB images (>=11) dropped the `mysql` symlink, so the
hardcoded `mysql` binary in the mariadb engine spec started failing
with rc=127 ("executable file not found") — visible e.g. in the
Pixelfed users-table check looping through its `until` retries.
Switch `_ENGINES["mariadb"]` to an ordered `binaries=("mariadb",
"mysql")`, try them in sequence, and only fall back when the OCI
runtime reports the exact binary we tried missing — engine-side
rc=127s (SQL errors etc.) are not masked.
Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
Custom Modules (library/)
This directory contains project-specific Ansible modules used by Infinito.Nexus.
What Belongs Here
Use library/ for idempotent module logic that represents concrete automation actions.
Typical cases:
- managing resources that have no suitable built-in/community module,
- wrapping internal APIs or internal infrastructure semantics,
- implementing reusable module interfaces for role/playbook consumption.
What Does Not Belong Here
- Shared helper code used by multiple modules/plugins goes to
utils/. - Jinja transformations belong to
plugins/filter/. - Runtime value retrieval belongs to
plugins/lookup/. - Task execution wrappers belong to
plugins/action/.
Usage
Ansible searches library/ for custom modules. In playbooks, call them like built-in modules.
- name: Run a custom Infinito module
infinito_custom_module:
option_one: value
option_two: value
Implementation Notes
- Keep modules idempotent and predictable.
- Validate input early and return structured failure messages.
- Move duplicated helpers into
utils/.
Shebang Requirement for Custom Modules
Files in library/ should use:
#!/usr/bin/python
Ansible rewrites this interpreter path to the configured host interpreter for module execution.
References
- Developing modules: https://docs.ansible.com/ansible/latest/dev_guide/developing_modules.html
- Module utilities: https://docs.ansible.com/ansible/latest/dev_guide/developing_module_utilities.html