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feat(secrets): cluster replication via SQL Server and Akka.NET (G-7, 0.2.0)

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Secrets were per-node SQLite, so a secret written on one node was invisible to
the rest of a cluster. G-7's design resolved the "shared SQL store vs Akka
replicator" fork to build only the former; both are built here so the choice is
a deployment decision (availability vs partition tolerance) rather than a
library limitation.

Two new packages — ZB.MOM.WW.Secrets.Replicator.SqlServer (shared store, plus a
local-store-with-hub mode) and .Replicator.AkkaDotNet (peer-to-peer over
distributed pub/sub). Core gains ISecretsStoreMigrator, one shared
SecretLastWriterWins predicate so no two stores can disagree on a tie, the
transport-agnostic reconciler, and ReplicatingSecretStore — which closes a real
gap: nothing had ever called ISecretReplicator.PublishAsync, so the seam was
inert and local writes would not have propagated at all.

Verified 182 pass / 1 skip / 0 warnings, including 15 live tests against a real
SQL Server 2022 (the SQLite suite ported case-for-case, so any behavioural
divergence between the stores fails) and a 9-test in-process 2-node Akka
cluster over real remoting. A post-build review caught six defects, all fixed
and now covered: both replication modes could not resolve from the container
(no test had built one), an unbounded fetch that broke past SQL Server's
2100-parameter cap, a poison row that aborted the rest of its batch forever,
Enum.Parse on peer input that could restart the actor in a loop, null crypto
blobs crossing the trust boundary, and a silently dropped pull-read failure.

Packed at 0.2.0 and vulnerability-scanned clean; not yet published to the feed.

Claude-Session: https://claude.ai/code/session_01BL2Vu1ESDQ9SCN4gVKkdts
This commit is contained in:
Joseph Doherty
2026-07-18 04:08:23 -04:00
parent e46060fada
commit dd0a846b64
55 changed files with 4848 additions and 51 deletions
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CLAUDE.md
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@@ -148,7 +148,7 @@ each project's **code-verified current state**, and the **gaps** between. See
| Config + validation (options / startup validation) | Adopted (lib `0.1.0`, on the feed; **all 4 apps**, pushed — the "local only / not yet pushed" caveat was stale) | Shared `ZB.MOM.WW.Configuration` lib | [`components/configuration/`](components/configuration/) | [`ZB.MOM.WW.Configuration/`](ZB.MOM.WW.Configuration/) |
| Audit (event model + writer seam) | Adopted (lib `0.1.0`, on the feed; **all 4 apps**, pushed to origin) | Shared `ZB.MOM.WW.Audit` lib | [`components/audit/`](components/audit/) | [`ZB.MOM.WW.Audit/`](ZB.MOM.WW.Audit/) |
| Galaxy Repository (object-hierarchy SQL browse + gRPC service) | **Adopted** (feed `0.1.0` + `0.2.0`; consumed at `0.2.0` by HistorianGateway **and mxaccessgw**, whose Server wires `AddZbGalaxyRepository` — verified 2026-07-18; the prior "mxaccessgw adoption is a follow-on" claim was stale) | Shared `ZB.MOM.WW.GalaxyRepository` lib | _(design in histsdk + design doc 2026-06-23)_ | [`ZB.MOM.WW.GalaxyRepository/`](ZB.MOM.WW.GalaxyRepository/) |
| Secrets (encrypted store + `${secret:}` resolution) | Built (libs **`0.1.3`**, **published to the Gitea feed**; **HistorianGateway adopted + live-proven** 2026-07-16; **mxaccessgw adopted G-4/G-5/G-6 + merged to `origin/main` @ `e088dfa`** 2026-07-16, box-verified fail-closed + encrypt-at-rest; **ScadaBridge adopted G-3/G-4/G-5/G-6 + merged to `origin/main` @ `128f1596`** 2026-07-16, **G-3 live-proven vs the real production MxGateway gateway** `wonder-app-vd03:5120` (secret-ref ApiKey → Connected + browsed real Galaxy); **OtOpcUa adopted G-2/G-4/G-5/G-6 + merged to `origin/master` @ `872cf7e3`** (lmxopcua) 2026-07-16 — the last app, so **all four now adopted**; Layer-B driver secrets (Galaxy API key + OpcUaClient `Password`/`UserCertificatePassword`) resolve fail-closed at driver session-open, `AddZbSecrets` registered unconditionally so driver-only nodes work; **G-2 live-proven vs the real production MxGateway** `wonder-app-vd03:5120` — a `secret:`-ref Galaxy ApiKey resolved through OtOpcUa's real `GalaxyDriverBrowser` → dummy key `MxGatewayAuthenticationException`, real key → browsed the real Galaxy root (10 nodes); temp key minted+revoked+deleted); **G-8 KEK-rotation BUILT (lib bumped `0.1.2`→`0.1.3`, 2026-07-17):** `Rewrap` DEK primitive + CAS-guarded `ApplyRewrapAsync` + `KekRotationService.RewrapAllAsync` + `secret rewrap-all` CLI + operator runbook (`ZB.MOM.WW.Secrets/docs/operations/kek-rotation.md`), full suite green + CLI smoke + adversarial crypto review PASS (TOCTOU closed via compare-and-swap). **G-7 clustered replication DESIGNED + PLANNED** — fork resolved to **build the shared SQL-Server `ISecretStore`** (Akka replicator deferred phase-2), executable plan `docs/plans/2026-07-17-secrets-g7-*`. **Corrected 2026-07-18:** G-8 + the G-7 plan **ARE committed and pushed** on `main` (`d82d345`) — the "not yet committed/pushed" note was stale. **`0.1.3` PUBLISHED to the feed 2026-07-18** (restore-verified), carrying a **transitive security pin** (`SQLitePCLRaw.lib.e_sqlite3` → `2.1.12`, advisory GHSA-2m69-gcr7-jv3q) that `0.1.2` lacked. All 4 apps still pinned at `0.1.2` → bump to consume KEK rotation + the security fix. G-7 has no `ISecretStore` SQL implementation yet | Shared `ZB.MOM.WW.Secrets` lib (3 packages + CLI) | [`components/secrets/`](components/secrets/) | [`ZB.MOM.WW.Secrets/`](ZB.MOM.WW.Secrets/) |
| Secrets (encrypted store + `${secret:}` resolution) | Built (libs **`0.1.3`**, **published to the Gitea feed**; **HistorianGateway adopted + live-proven** 2026-07-16; **mxaccessgw adopted G-4/G-5/G-6 + merged to `origin/main` @ `e088dfa`** 2026-07-16, box-verified fail-closed + encrypt-at-rest; **ScadaBridge adopted G-3/G-4/G-5/G-6 + merged to `origin/main` @ `128f1596`** 2026-07-16, **G-3 live-proven vs the real production MxGateway gateway** `wonder-app-vd03:5120` (secret-ref ApiKey → Connected + browsed real Galaxy); **OtOpcUa adopted G-2/G-4/G-5/G-6 + merged to `origin/master` @ `872cf7e3`** (lmxopcua) 2026-07-16 — the last app, so **all four now adopted**; Layer-B driver secrets (Galaxy API key + OpcUaClient `Password`/`UserCertificatePassword`) resolve fail-closed at driver session-open, `AddZbSecrets` registered unconditionally so driver-only nodes work; **G-2 live-proven vs the real production MxGateway** `wonder-app-vd03:5120` — a `secret:`-ref Galaxy ApiKey resolved through OtOpcUa's real `GalaxyDriverBrowser` → dummy key `MxGatewayAuthenticationException`, real key → browsed the real Galaxy root (10 nodes); temp key minted+revoked+deleted); **G-8 KEK-rotation BUILT (lib bumped `0.1.2`→`0.1.3`, 2026-07-17):** `Rewrap` DEK primitive + CAS-guarded `ApplyRewrapAsync` + `KekRotationService.RewrapAllAsync` + `secret rewrap-all` CLI + operator runbook (`ZB.MOM.WW.Secrets/docs/operations/kek-rotation.md`), full suite green + CLI smoke + adversarial crypto review PASS (TOCTOU closed via compare-and-swap). **G-7 clustered replication BUILT 2026-07-18 (lib `0.2.0`) — BOTH fork options, packaged as two new libs:** **`ZB.MOM.WW.Secrets.Replicator.SqlServer`** (shared SQL-Server `ISecretStore` = the plan's Option A, *plus* a local-store-with-hub mode) and **`ZB.MOM.WW.Secrets.Replicator.AkkaDotNet`** (peer-to-peer over distributed pub/sub = Option B, which the plan had deferred). Core gained `ISecretsStoreMigrator`, `SecretLastWriterWins` (one shared LWW tie-break so stores cannot diverge), `SecretReplicationReconciler`, and `ReplicatingSecretStore` — the last of which fixes a real gap: **nothing had ever called `ISecretReplicator.PublishAsync`**, so the seam was inert. Verified 164 pass / 1 skip / 0 warnings, including **15 live tests vs a real SQL Server 2022** (the SQLite suite ported case-for-case) and a **9-test in-process 2-node Akka cluster** (real remoting; write→peer, delete propagation, both anti-entropy directions, late-joiner catch-up). Hard constraints across all topologies: same KEK on every node, ciphertext-only across trust boundaries, and re-wraps deliberately do NOT replicate (`rewrap-all` runs once per independent store). Operator runbook `ZB.MOM.WW.Secrets/docs/operations/clustered-secrets.md`. **Corrected 2026-07-18:** G-8 + the G-7 plan **ARE committed and pushed** on `main` (`d82d345`) — the "not yet committed/pushed" note was stale. **`0.1.3` PUBLISHED to the feed 2026-07-18** (restore-verified), carrying a **transitive security pin** (`SQLitePCLRaw.lib.e_sqlite3` → `2.1.12`, advisory GHSA-2m69-gcr7-jv3q) that `0.1.2` lacked. All 4 apps still pinned at `0.1.2` → bump to consume KEK rotation + the security fix. **`0.2.0` is packed + vulnerability-scanned clean but NOT yet published to the feed**, and no app has adopted a clustered topology yet | Shared `ZB.MOM.WW.Secrets` lib (5 packages + CLI) | [`components/secrets/`](components/secrets/) | [`ZB.MOM.WW.Secrets/`](ZB.MOM.WW.Secrets/) |
| LocalDb (embedded cache + 2-node sync) | Built (3 pkgs `0.1.0`, **published to the Gitea feed** 2026-07-18, restore-verified from a scratch consumer; no app adoption yet) | Shared `ZB.MOM.WW.LocalDb` lib | [`docs/plans/2026-07-17-localdb-design.md`](docs/plans/2026-07-17-localdb-design.md) | [`ZB.MOM.WW.LocalDb/`](ZB.MOM.WW.LocalDb/) |
The auth component is fully populated: a normalized [`spec`](components/auth/spec/SPEC.md), a