42 lines
1.8 KiB
C#
42 lines
1.8 KiB
C#
using Prometheus;
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using System;
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namespace DockerExporter
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{
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sealed class ContainerTrackerMetrics : IDisposable
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{
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public Counter.Child FailedProbeCount { get; }
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// These two are NOT differentiated by container, just to avoid a large number of series for each container.
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// Aggregate results seem useful, container scope less so. Can be expanded in the future if need be.
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public Histogram InspectContainerDuration => BaseInspectContainerDuration;
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public Histogram GetResourceStatsDuration => BaseGetResourceStatsDuration;
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public ContainerTrackerMetrics(string displayName)
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{
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FailedProbeCount = BaseFailedProbeCount.WithLabels(displayName);
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}
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public void Dispose()
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{
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FailedProbeCount.Remove();
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}
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private static readonly Counter BaseFailedProbeCount = Metrics.CreateCounter("docker_probe_container_failed_total", "Number of times the exporter failed to collect information about a specific container.", new CounterConfiguration
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{
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LabelNames = new[] { "name" }
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});
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private static readonly Histogram BaseInspectContainerDuration = Metrics
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.CreateHistogram("docker_probe_inspect_duration_seconds", "How long it takes to query Docker for the basic information about a single container. Includes failed requests.", new HistogramConfiguration
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{
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Buckets = Constants.DurationBuckets
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});
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private static readonly Histogram BaseGetResourceStatsDuration = Metrics
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.CreateHistogram("docker_probe_stats_duration_seconds", "How long it takes to query Docker for the resource usage of a single container. Includes failed requests.", new HistogramConfiguration
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{
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Buckets = Constants.DurationBuckets
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});
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}
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}
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