feat(scripted-alarms): spawn + apply ScriptedAlarmHostActor in DriverHostActor (T10)

This commit is contained in:
Joseph Doherty
2026-06-10 15:17:29 -04:00
parent dafaf2faec
commit 5256761368
3 changed files with 187 additions and 4 deletions
@@ -3,6 +3,8 @@ using Akka.Actor;
using Akka.Cluster.Tools.PublishSubscribe;
using Akka.Event;
using Microsoft.EntityFrameworkCore;
using Microsoft.Extensions.Logging;
using Microsoft.Extensions.Logging.Abstractions;
using ZB.MOM.WW.OtOpcUa.Commons.Engines;
using ZB.MOM.WW.OtOpcUa.Commons.Interfaces;
using ZB.MOM.WW.OtOpcUa.Commons.Messages.Admin;
@@ -14,7 +16,10 @@ using ZB.MOM.WW.OtOpcUa.Configuration;
using ZB.MOM.WW.OtOpcUa.Configuration.Entities;
using ZB.MOM.WW.OtOpcUa.Configuration.Enums;
using ZB.MOM.WW.OtOpcUa.Core.Abstractions;
using ZB.MOM.WW.OtOpcUa.Core.ScriptedAlarms;
using ZB.MOM.WW.OtOpcUa.Core.Scripting;
using ZB.MOM.WW.OtOpcUa.OpcUaServer;
using ZB.MOM.WW.OtOpcUa.Runtime.ScriptedAlarms;
using ZB.MOM.WW.OtOpcUa.Runtime.VirtualTags;
using CommonsNodeId = ZB.MOM.WW.OtOpcUa.Commons.Types.NodeId;
@@ -56,6 +61,9 @@ public sealed class DriverHostActor : ReceiveActor, IWithTimers
private readonly IDriverHealthPublisher _healthPublisher;
private readonly IVirtualTagEvaluator _virtualTagEvaluator;
private readonly IActorRef? _virtualTagHostOverride;
private readonly ILoggerFactory _loggerFactory;
private readonly ScriptRootLogger? _scriptRootLogger;
private readonly IActorRef? _scriptedAlarmHostOverride;
private readonly ILoggingAdapter _log = Context.GetLogger();
/// <summary>The single VirtualTag-host child that spawns/reconciles Equipment-namespace
@@ -64,6 +72,14 @@ public sealed class DriverHostActor : ReceiveActor, IWithTimers
/// <see cref="VirtualTagHostActor.ApplyVirtualTags"/> from <see cref="PushDesiredSubscriptions"/>.</summary>
private IActorRef? _virtualTagHost;
/// <summary>The single ScriptedAlarm-host child that owns the per-node
/// <see cref="ScriptedAlarmEngine"/>, feeds it live tag values, and bridges its emissions onto the
/// OPC UA publish actor + the cluster <c>alerts</c> topic. Spawned in <see cref="PreStart"/>
/// alongside the VirtualTag host (requires both an OPC UA publish actor and a
/// <see cref="ScriptRootLogger"/>); receives <see cref="ScriptedAlarmHostActor.ApplyScriptedAlarms"/>
/// from <see cref="PushDesiredSubscriptions"/>.</summary>
private IActorRef? _scriptedAlarmHost;
private RevisionHash? _currentRevision;
private DeploymentId? _applyingDeploymentId;
@@ -103,6 +119,16 @@ public sealed class DriverHostActor : ReceiveActor, IWithTimers
/// VirtualTag host instead of spawning a real <see cref="VirtualTagHostActor"/> child, so tests
/// can intercept the <see cref="VirtualTagHostActor.ApplyVirtualTags"/> message. Null in
/// production (the real host is spawned).</param>
/// <param name="loggerFactory">Optional logger factory used to create the
/// <see cref="EfAlarmConditionStateStore"/>'s logger when spawning the ScriptedAlarm host;
/// defaults to <see cref="NullLoggerFactory"/> when not provided.</param>
/// <param name="scriptRootLogger">Optional root script logger required to spawn the ScriptedAlarm
/// host (the engine + its script logging hang off it). When null the ScriptedAlarm host is left
/// unspawned — the graceful dev/None-deployment path.</param>
/// <param name="scriptedAlarmHostOverride">Test seam: when supplied, this actor is used as the
/// ScriptedAlarm host instead of spawning a real <see cref="ScriptedAlarmHostActor"/> child, so
/// tests can intercept the <see cref="ScriptedAlarmHostActor.ApplyScriptedAlarms"/> message. Null
/// in production (the real host is spawned).</param>
public static Props Props(
IDbContextFactory<OtOpcUaConfigDbContext> dbFactory,
CommonsNodeId localNode,
@@ -113,10 +139,14 @@ public sealed class DriverHostActor : ReceiveActor, IWithTimers
IActorRef? opcUaPublishActor = null,
IDriverHealthPublisher? healthPublisher = null,
IVirtualTagEvaluator? virtualTagEvaluator = null,
IActorRef? virtualTagHostOverride = null) =>
IActorRef? virtualTagHostOverride = null,
ILoggerFactory? loggerFactory = null,
ScriptRootLogger? scriptRootLogger = null,
IActorRef? scriptedAlarmHostOverride = null) =>
Akka.Actor.Props.Create(() => new DriverHostActor(
dbFactory, localNode, coordinator, driverFactory, localRoles, dependencyMux, opcUaPublishActor,
healthPublisher, virtualTagEvaluator, virtualTagHostOverride));
healthPublisher, virtualTagEvaluator, virtualTagHostOverride,
loggerFactory, scriptRootLogger, scriptedAlarmHostOverride));
/// <summary>Initializes a new DriverHostActor with the specified dependencies.</summary>
/// <param name="dbFactory">Database context factory for configuration database access.</param>
@@ -131,6 +161,12 @@ public sealed class DriverHostActor : ReceiveActor, IWithTimers
/// defaults to <see cref="NullVirtualTagEvaluator"/>.</param>
/// <param name="virtualTagHostOverride">Test seam: when supplied, used as the VirtualTag host
/// instead of spawning a real <see cref="VirtualTagHostActor"/> child.</param>
/// <param name="loggerFactory">Optional logger factory used to create the
/// <see cref="EfAlarmConditionStateStore"/>'s logger; defaults to <see cref="NullLoggerFactory"/>.</param>
/// <param name="scriptRootLogger">Optional root script logger required to spawn the ScriptedAlarm
/// host; when null the host is left unspawned.</param>
/// <param name="scriptedAlarmHostOverride">Test seam: when supplied, used as the ScriptedAlarm host
/// instead of spawning a real <see cref="ScriptedAlarmHostActor"/> child.</param>
public DriverHostActor(
IDbContextFactory<OtOpcUaConfigDbContext> dbFactory,
CommonsNodeId localNode,
@@ -141,7 +177,10 @@ public sealed class DriverHostActor : ReceiveActor, IWithTimers
IActorRef? opcUaPublishActor = null,
IDriverHealthPublisher? healthPublisher = null,
IVirtualTagEvaluator? virtualTagEvaluator = null,
IActorRef? virtualTagHostOverride = null)
IActorRef? virtualTagHostOverride = null,
ILoggerFactory? loggerFactory = null,
ScriptRootLogger? scriptRootLogger = null,
IActorRef? scriptedAlarmHostOverride = null)
{
_dbFactory = dbFactory;
_localNode = localNode;
@@ -153,6 +192,9 @@ public sealed class DriverHostActor : ReceiveActor, IWithTimers
_healthPublisher = healthPublisher ?? NullDriverHealthPublisher.Instance;
_virtualTagEvaluator = virtualTagEvaluator ?? NullVirtualTagEvaluator.Instance;
_virtualTagHostOverride = virtualTagHostOverride;
_loggerFactory = loggerFactory ?? NullLoggerFactory.Instance;
_scriptRootLogger = scriptRootLogger;
_scriptedAlarmHostOverride = scriptedAlarmHostOverride;
// Default behavior is Steady — PreStart may flip to Stale or replay an orphan apply.
Become(Steady);
@@ -168,6 +210,9 @@ public sealed class DriverHostActor : ReceiveActor, IWithTimers
// Spawn the VirtualTag host BEFORE Bootstrap so the bootstrap-restore path (which routes
// through PushDesiredSubscriptions and Tells ApplyVirtualTags) has a live host to target.
SpawnVirtualTagHost();
// Same rationale for the ScriptedAlarm host — the bootstrap-restore path Tells it
// ApplyScriptedAlarms through the same PushDesiredSubscriptions pass.
SpawnScriptedAlarmHost();
Bootstrap();
}
@@ -199,6 +244,46 @@ public sealed class DriverHostActor : ReceiveActor, IWithTimers
"virtual-tag-host");
}
/// <summary>
/// Spawns the single <see cref="ScriptedAlarmHostActor"/> child that owns the per-node
/// <see cref="ScriptedAlarmEngine"/>, feeds it live tag values from the dependency mux, and
/// bridges its emissions onto the OPC UA publish actor + the cluster <c>alerts</c> topic. A
/// test-supplied <c>scriptedAlarmHostOverride</c> short-circuits the spawn so a probe can
/// intercept <see cref="ScriptedAlarmHostActor.ApplyScriptedAlarms"/>. The real host needs
/// both a non-null <see cref="_opcUaPublishActor"/> (the emission sink) and a non-null
/// <see cref="_scriptRootLogger"/> (the engine + its script logging hang off it); when either
/// is missing (legacy ControlPlane test harnesses, dev/None deployments) the host is left
/// null and ApplyScriptedAlarms becomes a no-op. The engine is built around a fresh
/// <see cref="DependencyMuxTagUpstreamSource"/> + an <see cref="EfAlarmConditionStateStore"/>;
/// the host (spawned as a child) owns + disposes the engine in its PostStop, so it stops with
/// the driver host.
/// </summary>
private void SpawnScriptedAlarmHost()
{
if (_scriptedAlarmHostOverride is not null)
{
_scriptedAlarmHost = _scriptedAlarmHostOverride;
return;
}
if (_opcUaPublishActor is null || _scriptRootLogger is null)
{
_log.Debug(
"DriverHost {Node}: skipping ScriptedAlarm host spawn (no publish actor / root logger)",
_localNode);
return;
}
var upstream = new DependencyMuxTagUpstreamSource();
var store = new EfAlarmConditionStateStore(
_dbFactory, _loggerFactory.CreateLogger<EfAlarmConditionStateStore>());
var engine = new ScriptedAlarmEngine(
upstream, store, new ScriptLoggerFactory(_scriptRootLogger.Logger), _scriptRootLogger.Logger);
_scriptedAlarmHost = Context.ActorOf(
ScriptedAlarmHostActor.Props(_opcUaPublishActor, _dependencyMux, upstream, engine),
"scripted-alarm-host");
}
private void Bootstrap()
{
// Read the most-recent NodeDeploymentState for this node; if it's Applied, jump
@@ -535,6 +620,17 @@ public sealed class DriverHostActor : ReceiveActor, IWithTimers
_log.Info("DriverHost {Node}: applied {Count} Equipment VirtualTag(s) to the VirtualTag host",
_localNode, composition.EquipmentVirtualTags.Count);
}
// Same pass for Equipment-namespace ScriptedAlarms: hand the plans to the host so it
// (re)loads its engine + re-registers mux interest for the union of dependency refs. Covers
// both the fresh-apply and bootstrap-restore paths (both call this method); the Stale-recovery
// path deliberately does not, matching driver + VirtualTag recovery.
_scriptedAlarmHost?.Tell(new ScriptedAlarmHostActor.ApplyScriptedAlarms(composition.EquipmentScriptedAlarms));
if (composition.EquipmentScriptedAlarms.Count > 0)
{
_log.Info("DriverHost {Node}: applied {Count} Equipment ScriptedAlarm(s) to the ScriptedAlarm host",
_localNode, composition.EquipmentScriptedAlarms.Count);
}
}
private void SpawnChild(DriverInstanceSpec spec)
@@ -11,6 +11,7 @@ using ZB.MOM.WW.OtOpcUa.Commons.OpcUa;
using ZB.MOM.WW.OtOpcUa.Configuration;
using ZB.MOM.WW.OtOpcUa.Core.Abstractions;
using ZB.MOM.WW.OtOpcUa.Core.AlarmHistorian;
using ZB.MOM.WW.OtOpcUa.Core.Scripting;
using ZB.MOM.WW.OtOpcUa.OpcUaServer;
using ZB.MOM.WW.OtOpcUa.Runtime.Drivers;
using ZB.MOM.WW.OtOpcUa.Runtime.Health;
@@ -90,6 +91,10 @@ public static class ServiceCollectionExtensions
var serviceLevel = resolver.GetService<IServiceLevelPublisher>() ?? NullServiceLevelPublisher.Instance;
var loggerFactory = resolver.GetService<ILoggerFactory>() ?? NullLoggerFactory.Instance;
var healthPublisher = resolver.GetService<IDriverHealthPublisher>() ?? NullDriverHealthPublisher.Instance;
// Root script logger backs the ScriptedAlarm host's engine + script logging. Registered in
// Host DI inside the hasDriver block; may be absent in some role configs / test harnesses,
// in which case the DriverHostActor gracefully skips spawning the ScriptedAlarm host.
var scriptRootLogger = resolver.GetService<ScriptRootLogger>();
// Production evaluator is the Host's RoslynVirtualTagEvaluator (registered as
// IVirtualTagEvaluator); fall back to the null evaluator for test harnesses that don't
// register one (VirtualTagActor children then evaluate to nothing).
@@ -131,7 +136,9 @@ public static class ServiceCollectionExtensions
dependencyMux: mux,
opcUaPublishActor: publishActor,
healthPublisher: healthPublisher,
virtualTagEvaluator: virtualTagEvaluator),
virtualTagEvaluator: virtualTagEvaluator,
loggerFactory: loggerFactory,
scriptRootLogger: scriptRootLogger),
DriverHostActorName);
registry.Register<DriverHostActorKey>(driverHost);