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kevinveenbirkenbachandClaude Opus 5
d80cad478a
Under swarm an unpinned role's volumes are rewritten onto the shared NFS
export while its services run one task per node. A role that declares no
RDBMS keeps its state in-process, so several replicas then write the same
SQLite file, Mnesia store or search index over NFS and corrupt it. This
already cost a deploy: openclaw ran three replicas against one shared
export and its state directory answered "file is not a database".
The existing unpinned-no-engine-volume lint states the right rule but
detects state through a hardcoded path list, so app-specific paths slip
through and each case gets pinned reactively after it fails. Add a lint
that joins three facts the roles already declare: the volume is NFS
backed (asked of the production swarm_nfs_backed, not re-derived), it is
mounted read-write, and the role runs no RDBMS. Share-safe payloads carry
a justification marker.
Replicas resolve service-first and fall back to the primary entity, and
a role whose swarm mode is disabled is skipped; both cases exist in tree.
Also correct the requirement and the design doc, which still described
the per-volume opt-in model that b09598dc8 replaced with placement
derived backing. Requirement 023 contradicted itself: line 76 already
described the implemented behaviour.
Co-Authored-By: Claude Opus 5 (1M context) <noreply@anthropic.com>
Contribution documentation 🤝
This directory contains contributor-facing repository rules and workflows. Its scope is how humans and agents set up the environment, write documentation, communicate, define requirements, and contribute safely through the project lifecycle.