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Zhengchao An
61d4e04d65
* feat(rpc): bind canonical body digest into internode mutating disk RPC signatures Binds a domain-separated, length-prefixed canonical request-body digest into the v2 HMAC signature scope for every mutating NodeService disk RPC, so an on-path attacker on the default-plaintext internode channel can no longer tamper with a mutation payload (or strip the msgpack `_bin` field to force the JSON fallback decode) without invalidating the signature. Covers 13 mutating disk RPCs: RenameData, DeleteVersion, DeleteVersions, WriteMetadata, UpdateMetadata, WriteAll, Delete, DeletePaths, RenameFile, RenamePart, DeleteVolume, MakeVolume, MakeVolumes. The digest covers both the msgpack `_bin` payloads and their JSON compatibility copies. Gated fail-open by default (RUSTFS_INTERNODE_RPC_BODY_DIGEST_STRICT) with a convergence counter, so rolling upgrades are byte-for-byte unaffected; the replay-cache capacity is now configurable and overflow fails closed with a metric. Refs https://github.com/rustfs/backlog/issues/1327 Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com> * fix(rpc): satisfy architecture-migration compat-marker guard Put the removal condition on the RUSTFS_COMPAT_TODO marker line itself, and stop backticking env-var/metric names in the cleanup-register entry so the guard's id extractor only sees the task-id. Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com> --------- Co-authored-by: Claude Opus 4.8 <noreply@anthropic.com>
Architecture Documentation
Durable architecture reference for RustFS: migration guardrails, runtime contracts, boundary rules, and support matrices.
Two rules keep this directory healthy:
- Durable reference only. One-shot implementation plans, task trackers, and PR templates do not belong in the repository — keep them in the issue tracker or your local worktree. When their work closes, delete them rather than archiving them here.
- No copies of other sources of truth. Crate lists come from
Cargo.toml, CI steps from.github/workflows/ci.yml, code structure from the code.scripts/check_doc_paths.shfails the pre-commit gate when a doc here references a file path that no longer exists.
Start here
- overview.md — migration baseline, phase order, core principles
CI-enforced core (required by scripts/check_architecture_migration_rules.sh)
- crate-boundaries.md — dependency direction, PR types, re-export contracts
- runtime-lifecycle.md — startup/shutdown sequencing, readiness guarantees
- readiness-matrix.md — request/dependency behavior, probe semantics
- storage-control-data-plane.md — storage API contracts, control-plane boundaries
- global-state-crate-split-plan.md — remaining global-state owners and split evaluation
- ecstore-module-split-plan.md — ECStore decomposition rules and facade contracts
Contracts & invariants
- erasure-coding.md — normative erasure-coding algorithm and on-disk (
xl.meta) compatibility contract; the frozen invariants for all user-data read/write, encode/decode, quorum, heal, and decode tolerance - placement-repair-invariants.md
- unified-object-generation.md — single per-object generation authority (fencing epoch, transport/encoding/proto/mixed-version contracts)
- runtime-capability-contracts.md
- workload-admission-contracts.md
- background-controller-contract.md
- config-model-boundary-adr.md
- ecstore-layout-boundary.md
- decommission-compatibility.md
Support matrices (release-facing, keep current)
- s3-compatibility-matrix.md
- s3-tables-support-matrix.md
- minio-rustfs-router-compatibility.md
- minio-file-format-compat.md
Inventories & baselines (snapshots that feed migration work)
- global-state-inventory.md
- ecstore-api-facade-inventory.md
- ecstore-config-consumer-inventory.md
- obs-ecstore-dependency-inventory.md
- background-services-inventory.md
- admin-route-action-snapshot.md
- compat-cleanup-register.md
Historical plans and trackers (rebalance/decommission phases, migration-progress ledger, and the one-shot migration snapshots that fed it — startup timeline, scheduler baseline, profiling/NUMA capability inventory, KMS development defaults inventory) were retired in 2026-07 once the architecture-review ledger they served closed out (backlog#660/#665). Planning documents are no longer kept in the repository.