Razor page layout: two tables (Rejected / Trusted) with Subject / Issuer / Thumbprint / Valid-window / Actions columns, status banner after each action with success or warning kind ('file missing' = another admin handled it), FleetAdmin-only via [Authorize(Roles=AdminRoles.FleetAdmin)]. Each action invokes LogActionAsync which Serilog-logs the authenticated admin user + thumbprint + action for an audit trail — DB-level ConfigAuditLog persistence is deferred because its schema is cluster-scoped and cert actions are cluster-agnostic; Serilog + CertTrustService's filesystem-op info logs give the forensic trail in the meantime. Sidebar link added to MainLayout between Reservations and the future Account page.
Tests — CertTrustServiceTests (9 new unit cases): ListRejected parses Subject + Thumbprint + store kind from a self-signed test cert written into rejected/certs/; rejected and trusted stores are kept separate; TrustRejected moves the file and the Rejected list is empty afterwards; TrustRejected with a thumbprint not in rejected returns false without touching trusted; DeleteRejected removes the file; UntrustCert removes from trusted only; thumbprint match is case-insensitive (operator UX); missing store directories produce empty lists instead of throwing DirectoryNotFoundException (pristine-install tolerance); a junk .der in the store is logged + skipped and the valid certs still surface (one bad file doesn't break the page). Full Admin.Tests Unit suite: 23 pass / 0 fail (14 prior + 9 new). Full Admin build clean — 0 errors, 0 warnings.
lmx-followups.md #3 marked DONE with a cross-reference to this PR and a note that flipping AutoAcceptUntrustedClientCertificates to false as the production default is a deployment-config follow-up, not a code gap — the Admin UI is now ready to be the trust gate.
Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
5.4 KiB
LMX Galaxy bridge — remaining follow-ups
State after PR 19: the Galaxy driver is functionally at v1 parity through the
IDriver abstraction; the OPC UA server runs with LDAP-authenticated
Basic256Sha256 endpoints and alarms are observable through
AlarmConditionState.ReportEvent. The items below are what remains LMX-
specific before the stack can fully replace the v1 deployment, in
rough priority order.
1. Proxy-side IHistoryProvider for ReadAtTime / ReadEvents
Status: Host-side IPC shipped (PR 10 + PR 11). Proxy consumer not written.
PR 10 added HistoryReadAtTimeRequest/Response on the IPC wire and
MxAccessGalaxyBackend.HistoryReadAtTimeAsync delegates to
HistorianDataSource.ReadAtTimeAsync. PR 11 did the same for events
(HistoryReadEventsRequest/Response + GalaxyHistoricalEvent). The Proxy
side (GalaxyProxyDriver) doesn't call those yet — Core.Abstractions.IHistoryProvider
only exposes ReadRawAsync + ReadProcessedAsync.
To do:
- Extend
IHistoryProviderwithReadAtTimeAsync(string, DateTime[], …)andReadEventsAsync(string?, DateTime, DateTime, int, …). GalaxyProxyDrivercalls the new IPC message kinds.DriverNodeManagerwires the new capability methods ontoHistoryReadAtTime+Eventsservice handlers.- Integration test: OPC UA client calls
HistoryReadAtTime/HistoryReadEvents, value flows through IPC to the Host'sHistorianDataSource, back to the client.
2. Write-gating by role — DONE (PR 26)
Landed in PR 26. WriteAuthzPolicy in Server/Security/ maps
SecurityClassification → required role (FreeAccess → no role required,
Operate/SecuredWrite → WriteOperate, Tune → WriteTune,
Configure/VerifiedWrite → WriteConfigure, ViewOnly → deny regardless).
DriverNodeManager caches the classification per variable during discovery and
checks the session's roles (via IRoleBearer) in OnWriteValue before calling
IWritable.WriteAsync. Roles do not cascade — a session with WriteOperate
can't write a Tune attribute unless it also carries WriteTune.
See feedback_acl_at_server_layer.md in memory for the architectural directive
that authz stays at the server layer and never delegates to driver-specific auth.
3. Admin UI client-cert trust management — DONE (PR 28)
PR 28 shipped /certificates in the Admin UI. CertTrustService reads the OPC
UA server's PKI store root (OpcUaServerOptions.PkiStoreRoot — default
%ProgramData%\OtOpcUa\pki) and lists rejected + trusted certs by parsing the
.der files directly, so it has no Opc.Ua dependency and runs on any
Admin host that can reach the shared PKI directory.
Operator actions: Trust (moves rejected/certs/*.der → trusted/certs/*.der),
Delete rejected, Revoke trust. The OPC UA stack re-reads the trusted store on
each new client handshake, so no explicit reload signal is needed —
operators retry the rejected client's connection after trusting.
Deferred: flipping AutoAcceptUntrustedClientCertificates to false as the
deployment default. That's a production-hardening config change, not a code
gap — the Admin UI is now ready to be the trust gate.
4. Live-LDAP integration test
Status: PR 19 unit-tested the auth-flow shape; the live bind path is
exercised only by the pre-existing Admin.Tests/LdapLiveBindTests.cs which
uses the same Novell library against a running GLAuth at localhost:3893.
To do:
- Add
OpcUaServerIntegrationTests.Valid_username_authenticates_against_live_ldapwith the same skip-when-unreachable guard. - Assert
session.Identityon the server side carries the expected role after bind — requires exposing a test hook or reading identity from a newIHostConnectivityProbe-style "whoami" variable in the address space.
5. Full Galaxy live-service smoke test against the merged v2 stack
Status: Individual pieces have live smoke tests (PR 5 MXAccess, PR 13
probe manager, PR 14 alarm tracker), but the full loop — OPC UA client →
OtOpcUaServer → GalaxyProxyDriver (in-process) → named-pipe to
Galaxy.Host subprocess → live MXAccess runtime → real Galaxy objects — has
no single end-to-end smoke test.
To do:
- Test that spawns the full topology, discovers a deployed Galaxy object, subscribes to one of its attributes, writes a value back, and asserts the write round-tripped through MXAccess. Skip when ArchestrA isn't running.
6. Second driver instance on the same server
Status: DriverHost.RegisterAsync supports multiple drivers; the OPC UA
server creates one DriverNodeManager per driver and isolates their
subtrees under distinct namespace URIs. Not proven with two active
GalaxyProxyDriver instances pointing at different Galaxies.
To do:
- Integration test that registers two driver instances, each with a distinct
DriverInstanceId+ endpoint in its own session, asserts nodes from both appear under the correct subtrees, alarm events land on the correct instance's condition nodes.
7. Host-status per-AppEngine granularity → Admin UI dashboard
Status: PR 13 ships per-platform/per-AppEngine ScanState probing; PR 17
surfaces the resulting OnHostStatusChanged events through OPC UA. Admin
UI doesn't render a per-host dashboard yet.
To do:
- SignalR hub push of
HostStatusChangedEventArgsto the Admin UI. - Dashboard page showing each tracked host, current state, last transition time, failure count.