Joseph Doherty
a27eff3298
Hooks the Bootstrap catch that previously went straight to Stale. On a cache hit the node serves its last-known-good configuration through the outage instead of coming up with an empty address space; on a miss, behaviour is byte-for-byte what it was. The read is unkeyed because ClusterId is only derivable from an artifact you already hold or from the unreachable central DB (recon D-1). Newest pointer wins, which is correct in every real topology - a node belongs to one cluster and its peer replicates that same row. Splits PushDesiredSubscriptionsFromArtifact out of PushDesiredSubscriptions: the cache path runs precisely when the ConfigDb read cannot succeed, so re-reading the artifact there would fail by definition. RunningFromCache is surfaced on NodeDiagnosticsSnapshot (optional param, existing call sites unaffected). A node running from cache looks entirely healthy from outside - full address space, live values - but its config is frozen and no deploy can reach it. It clears only on a real apply from central.
30 lines
1.2 KiB
C#
30 lines
1.2 KiB
C#
using ZB.MOM.WW.OtOpcUa.Commons.Types;
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namespace ZB.MOM.WW.OtOpcUa.Commons.Interfaces;
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public sealed record DriverInstanceDiagnostics(
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Guid DriverInstanceId,
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string Name,
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string State,
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int ConnectedDevices,
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int FaultedDevices,
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DateTime LastChangeUtc);
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/// <summary>
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/// Per-node diagnostics returned by <c>IFleetDiagnosticsClient</c>. Populated by the node's
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/// local <c>DriverHostActor</c> via a request/response over Akka.
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/// </summary>
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/// <param name="RunningFromCache">
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/// True when the node booted its configuration from the node-local artifact cache because the
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/// central ConfigDb was unreachable. Such a node looks entirely healthy — full address space,
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/// live values — but its configuration is frozen and no deployment can reach it, so the state
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/// needs to be explicitly visible rather than inferred. Defaults to false, which is also what
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/// every node that booted normally reports.
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/// </param>
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public sealed record NodeDiagnosticsSnapshot(
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NodeId NodeId,
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RevisionHash? CurrentRevision,
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IReadOnlyList<DriverInstanceDiagnostics> Drivers,
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DateTime AsOfUtc,
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bool RunningFromCache = false);
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