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ansible-workspace-dnd/docs/conventions.md

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# Workspace Conventions
## Working Conventions
- Confirm the target repository before editing; never treat this directory as
a monorepo.
- Inspect the relevant upstream application before designing or changing its
Ansible role.
- Keep standalone application roles independently usable. Cross-application
policy belongs in `ansible-role-dnd-pipeline` and is exposed to consumers as
`rakestraw.dnd.pipeline`.
- Prefer codebase-memory graph tools for code discovery. Use text/file search
for documentation, configuration, literals, or when the graph is
insufficient.
- Preserve unrelated and pre-existing working-tree changes in every
repository.
- Never place credentials or secret values in plans, examples, inventory, or
tests.
- Validate changes in the repository that owns them and report the commands
run.
- Do not duplicate an application contract in workspace documentation when a
link and a concise deployment consequence are sufficient.
## Ansible House Style (Normative)
- Always use the smallest clear sequence of declarative tasks that reaches the
required end state.
- Prefer `ansible.builtin` modules where they directly fit the task.
`community.general` is an approved, stable dependency and its modules may be
selected freely when appropriate; declare and pin the collection wherever a
role or collection depends on it.
- Trust the documented contract of each Ansible module, including its
idempotence and change detection.
- Gather state only when the result controls necessary behavior that the
responsible module cannot determine. Fingerprints, checksums, sidecar state,
manual drift detection, and speculative recovery paths require an explicit
acceptance criterion and rationale. Do not precede a declarative module with
a probe or recreate its internal logic unless a concrete requirement cannot
be expressed by the module itself.
- Consider whether a conditional task or a notified handler best expresses the
dependency. A `when` condition keeps triggers visible at the action site but
grows with their number. Notifications keep the action independent of the
number of notifiers, but distribute the control flow and defer execution
until the next handler flush. An explicit
`ansible.builtin.meta: flush_handlers` affects all pending handlers in the
play.
- Treat `rakestraw-ansible` as a style reference for direct tasks, shallow
control flow, and concise variable use, while retaining current practices
such as fully qualified collection names.