Files
scadaproj/components/secrets
Joseph Doherty dd0a846b64 feat(secrets): cluster replication via SQL Server and Akka.NET (G-7, 0.2.0)
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
2026-07-18 04:08:23 -04:00
..

Secrets (encrypted secret store + ${secret:} resolution)

Normalizes how the family stores and consumes secrets — SQL/login passwords, API-key HMAC peppers, LDAP bind passwords, connection strings, TLS material — which are handled ad-hoc and inconsistently across the three apps today (Data-Protection-encrypted connection strings in ScadaBridge; peppers/passwords in environment variables; LDAP passwords in appsettings).

The goal is the shared ZB.MOM.WW.Secrets library: AES-256-GCM envelope encryption at rest, a pluggable master-key provider and store, an audited ISecretResolver + ${secret:name} config expander for app runtime, and a Blazor /admin/secrets management UI. The library is built, published (0.1.2), and live-proven via its reference consumer; per-app adoption is the tracked follow-on.

Status

State
Library Built + publishedZB.MOM.WW.Secrets{,.Abstractions,.Ui} 0.1.2 on the dohertj2-gitea feed; .Cli in-repo (not packed); .Akka replicator deferred (design only)
Reference consumer HistorianGateway — adopted + live-proven (2026-07-16): historian password sourced via ${secret:}, authenticated read against the real wonder historian
Three sister apps Not yet adopted — see per-app current-state + GAPS

Per-project current state

Project Today (baseline) Doc
OtOpcUa (code-verified baseline) current-state/otopcua/CURRENT-STATE.md
MxAccessGateway (code-verified baseline) current-state/mxaccessgw/CURRENT-STATE.md
ScadaBridge (code-verified baseline) current-state/scadabridge/CURRENT-STATE.md

Not applicable as a fourth adopter row but the exemplar: HistorianGateway already consumes the lib — its wiring is the template the three apps follow (see the shared-contract "Consumer wiring" section).