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fix(site-runtime): watch every Instance Actor; unexpected termination evicts the dead ref from routing (S6)

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This commit is contained in:
Joseph Doherty
2026-07-09 00:20:12 -04:00
parent 2dabbbdde0
commit 9343b4f30f
2 changed files with 93 additions and 13 deletions
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tests/ZB.MOM.WW.ScadaBridge.SiteRuntime.Tests/Actors/DeploymentManagerRedeployTests.cs
+51 -2
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@@ -10,6 +10,7 @@ using ZB.MOM.WW.ScadaBridge.HealthMonitoring;
using ZB.MOM.WW.ScadaBridge.SiteRuntime.Actors;
using ZB.MOM.WW.ScadaBridge.SiteRuntime.Persistence;
using ZB.MOM.WW.ScadaBridge.SiteRuntime.Scripts;
using ZB.MOM.WW.ScadaBridge.SiteRuntime.Tests.TestSupport;
using System.Text.Json;
namespace ZB.MOM.WW.ScadaBridge.SiteRuntime.Tests.Actors;
@@ -45,7 +46,8 @@ public class DeploymentManagerRedeployTests : TestKit, IDisposable
try { File.Delete(_dbFile); } catch { /* cleanup */ }
}
private IActorRef CreateDeploymentManager(ISiteHealthCollector? healthCollector = null)
private IActorRef CreateDeploymentManager(
ISiteHealthCollector? healthCollector = null, IServiceProvider? serviceProvider = null)
{
return ActorOf(Props.Create(() => new DeploymentManagerActor(
_storage,
@@ -57,9 +59,31 @@ public class DeploymentManagerRedeployTests : TestKit, IDisposable
null,
null,
healthCollector,
null)));
serviceProvider)));
}
/// <summary>
/// Builds a config that deserializes and compiles cleanly (so it passes the deploy
/// compile gate) but whose script's canonical name contains a space — illegal as an
/// Akka actor name, so <c>Context.ActorOf(props, "script-dies on init")</c> throws
/// <c>InvalidActorNameException</c> during the Instance Actor's PreStart. The failure
/// surfaces as an <c>ActorInitializationException</c> the DM decider stops — the exact
/// "Instance Actor dies during init" S6 scenario.
/// </summary>
private static string CtorThrowingConfig(string instanceName) =>
JsonSerializer.Serialize(new FlattenedConfiguration
{
InstanceUniqueName = instanceName,
Attributes =
[
new ResolvedAttribute { CanonicalName = "TestAttr", Value = "1", DataType = "Int32" }
],
Scripts =
[
new ResolvedScript { CanonicalName = "dies on init", Code = "return 1;" }
]
});
/// <summary>
/// Minimal fake that records the most recent deployed-instance count.
/// </summary>
@@ -311,4 +335,29 @@ public class DeploymentManagerRedeployTests : TestKit, IDisposable
// not a new instance, so the in-memory counter must not drift upward.
Assert.Equal(1, health.LastDeployedCount);
}
// ── S6: an Instance Actor that dies during init must not linger as a dead ref ──
[Fact]
public async Task InstanceActorInitFailure_OnStartup_EvictsDeadRefAndLogsSiteEvent()
{
// A stored config that compiles cleanly but whose Instance Actor cannot
// initialize (illegal child actor name → ActorInitializationException → Stop).
// The DM watches every Instance Actor, so on the unexpected Termination it must
// evict the dead ref from the routing map and log a `deployment` Error event
// rather than leaving a routing entry that points at a stopped actor (S6).
await _storage.StoreDeployedConfigAsync(
"poison", CtorThrowingConfig("poison"), "d1", "h1", true);
var siteLog = new FakeSiteEventLogger();
CreateDeploymentManager(serviceProvider: new SingleServiceProvider(siteLog));
AwaitAssert(() =>
{
Assert.Contains(siteLog.OfType("deployment"), r =>
r.Severity == "Error" &&
r.InstanceId == "poison" &&
r.Message.Contains("terminated unexpectedly", StringComparison.OrdinalIgnoreCase));
}, TimeSpan.FromSeconds(10));
}
}