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>
LocalStateBackend becomes ClusterStore: every stored byte — state ledger,
lock, recovery sidecars, approval artifacts — now flows through the
engine's StorageAdapter, making file:// and s3:// one code path. Behavior
on the file backend is byte-compatible (layout, CAS semantics, diagnostics,
lock release timing) and the entire pre-existing suite passes unchanged.
Mechanics: the ledger CAS keeps its public sha256 vocabulary while the
physical swap is token-conditioned (ETag If-Match on S3 via PR #186's
primitives; content-token + temp/rename locally — the pre-port semantics);
the lock is a create-only put (genuinely cross-machine on object stores)
with deterministic drop-release locally and best-effort spawned release on
S3; sidecars/approvals address by URI (SweepOutcome and the executors carry
strings); sweep row-1 retirement joins the uniform deferred post-CAS
cleanup. ClusterStore also gains the catalog-payload and graph-root
methods that commit 2 wires in.
Async ripple: status/force-unlock/serving-snapshot and the server's
settings loader chain go async (CLI dispatch and ~20 test hosts follow,
mechanically). tokio joins the cluster crate's runtime deps for the lock
guard's handle.
Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>
