justme
48072737c9
A probe now links to the backend like an agent (probe.json carries the server address). The backend sends the agent list as desired state and the probe reports its platform and build in its own hello. The agent no longer relays the list or the probe platform. Existing probes must be re-created.
52 lines
2.0 KiB
C#
52 lines
2.0 KiB
C#
using Fleet.Core;
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using Monitor.Protocol;
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namespace Monitor.Backend.Application;
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/// <summary><c>monitor.event</c>：Agent 报告的事件（Probe 连上/断开、端点变化、时钟跳变、缺口、CPU 饱和）。</summary>
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public sealed class AgentEventService
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{
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private readonly AgentRuntime _runtime;
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private readonly IEventStore _events;
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private readonly TimeProvider _time;
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private readonly NodeInfoService _nodes;
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public AgentEventService(AgentRuntime runtime, IEventStore events, TimeProvider time, NodeInfoService nodes)
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{
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_runtime = runtime;
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_events = events;
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_time = time;
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_nodes = nodes;
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}
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public async ValueTask OnEventAsync(NodeId agent, AgentEventParams e, CancellationToken ct)
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{
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if (!AgentEventKinds.All.Contains(e.Kind))
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{
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return;
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}
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// 节点上报的时间可能有偏差：限制在合理范围内，避免污染事件时间线
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long now = _time.GetUtcNow().ToUnixTimeMilliseconds();
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long at = Math.Abs(e.AtUtcMs - now) > 24L * 3600 * 1000 ? now : e.AtUtcMs;
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AgentRuntimeState state = _runtime.Get(agent);
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switch (e.Kind)
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{
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case AgentEventKinds.ProbeConnected when !string.IsNullOrEmpty(e.Detail):
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state.AddProbe(e.Probe is { } p ? new ConnectedProbeInfo(e.Detail, p.Version, p.Remote, p.SinceUtcMs > 0 ? p.SinceUtcMs : at) : new ConnectedProbeInfo(e.Detail, null, null, at));
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_nodes.ObserveProbeInBackground(e.Detail, e.Probe?.Remote);
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break;
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case AgentEventKinds.ProbeDisconnected when !string.IsNullOrEmpty(e.Detail):
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state.RemoveProbe(e.Detail);
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break;
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case AgentEventKinds.EndpointChanged:
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state.CountEndpointChange();
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break;
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}
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string? detail = e.Detail is { Length: > 512 } ? e.Detail[..512] : e.Detail;
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await _events.AddAsync(agent, e.Kind, at, detail, ct);
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}
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}
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