51 lines
2.1 KiB
C#
51 lines
2.1 KiB
C#
using Prometheus;
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using System;
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using System.Linq;
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namespace DockerExporter
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{
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sealed class ContainerTrackerStateMetrics : IDisposable
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{
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public Gauge.Child RestartCount { get; private set; }
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public Gauge.Child RunningState { get; private set; }
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public Gauge.Child StartTime { get; private set; }
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public ContainerTrackerStateMetrics(string id, string displayName)
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{
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_id = id;
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_displayName = displayName;
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RestartCount = BaseRestartCount.WithLabels(id, displayName);
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RunningState = BaseRunningState.WithLabels(id, displayName);
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StartTime = BaseStartTime.WithLabels(id, displayName);
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}
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private readonly string _id;
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private readonly string _displayName;
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public void Dispose()
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{
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BaseRestartCount.RemoveLabelled(_id, _displayName);
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BaseRunningState.RemoveLabelled(_id, _displayName);
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BaseStartTime.RemoveLabelled(_id, _displayName);
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}
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private static readonly Gauge BaseRestartCount = Metrics
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.CreateGauge("docker_container_restart_count", "Number of times the runtime has restarted this container without explicit user action, since the container was last started.", ConfigureGauge());
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private static readonly Gauge BaseRunningState = Metrics
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.CreateGauge("docker_container_running_state", "Whether the container is running (value 1), restarting (value 0.5) or stopped (value 0).", ConfigureGauge());
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private static readonly Gauge BaseStartTime = Metrics
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.CreateGauge("docker_container_start_time", "Timestamp indicating when the container was started. Does not get reset by automatic restarts.", ConfigureGauge());
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private static string[] LabelNames(params string[] extra) =>
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new[] { "id", "display_name" }.Concat(extra).ToArray();
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private static GaugeConfiguration ConfigureGauge() => new GaugeConfiguration
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{
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LabelNames = LabelNames(),
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SuppressInitialValue = true
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};
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}
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}
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