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Foundation for the central svc-db-*/svc-dns-* engine roles: the engine lookup and engines descriptor, per-consumer engine credentials in the inventory manager, shared-net overlay rendering, container_depends_on, the sys-svc-engine provisioning dispatcher, and the compose_volumes NFS-placement split. base.yml.j2 gates the embedded redis sidecar on lookup('engine','redis',application_id,'local').
Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>
Custom Filter Plugins for Infinito.Nexus
This directory contains custom Ansible filter plugins used within the Infinito.Nexus project.
When to Use a Filter Plugin
- Transform values: Use filters to transform, extract, reformat, or compute values from existing variables or facts.
- Inline data manipulation: Filters are designed for inline use in Jinja2 expressions (in templates, tasks, vars, etc.).
- No external lookups: Filters only operate on data you explicitly pass to them and cannot access external files, the Ansible inventory, or runtime context.
Examples
{{ role_name | get_entity_name }}
{{ my_list | unique }}
{{ user_email | regex_replace('^(.+)@.*$', '\\1') }}
When not to Use a Filter Plugin
- If you need to load data from an external source (e.g., file, environment, API), use a lookup plugin instead.
- If your logic requires access to inventory, facts, or host-level information that is not passed as a parameter.