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feat(cluster): the storage: root — state, catalog, and graph roots relocatable

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cluster.yaml gains an optional storage: URI deciding where everything the
cluster STORES lives: the state ledger, lock, content-addressed catalog,
recovery sidecars, approval artifacts, and the derived graph roots
(<storage>/graphs/<id>.omni). Absent, it defaults to the config directory
itself — the original layout, byte-compatible, so pre-existing clusters and
the whole test suite are untouched. Declared configuration always stays in
the working tree (Terraform's config-local/state-remote split); credentials
are env-only, never in cluster.yaml.

Every command resolves its store from the declared root (a bad root is a
loud invalid_storage_root). Graph-root derivation, the delete executor
(prefix delete via the adapter), the sweep's existence probes, the catalog
payload write/verify/read paths, and the serving snapshot all flow through
ClusterStore — the last raw-fs holdouts for stored state are gone, and the
deny-list gains the rule that keeps it that way.

Tests: default-layout byte-compat, a file:// root relocating the entire
cluster (ledger+catalog+graphs under the new root, nothing under the config
dir, serving snapshot follows), invalid-root validation. 98 in-crate + 9
failpoints + full workspace gate green. The s3:// flavor lands with PR 3's
gated RustFS e2e.

Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>
This commit is contained in:
aaltshuler 2026-06-11 14:28:04 +03:00
parent fd002abaa5
commit 8dc2f15255
10 changed files with 309 additions and 179 deletions
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4
docs/dev/invariants.md
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@ -206,6 +206,10 @@ case is exceptional.
fits.
- Discarding retrieval score/rank before fusion or projection decisions.
- Auto-creating placeholder nodes for orphan edges.
- Raw filesystem I/O for cluster-stored state (ledger, lock, sidecars,
approvals, catalog) outside the cluster crate's storage module — every
stored byte goes through the engine `StorageAdapter` so `file://` and
`s3://` stay one code path.
- Wire-protocol-specific code in compiler or engine crates.
- Cloud-only correctness fixes or forks of the OSS engine for correctness.
- Mutating immutable substrate state in place, including Lance fragments or