79 lines
3.7 KiB
C#
79 lines
3.7 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 ContainerTrackerResourceMetrics : IDisposable
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{
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public Gauge.Child CpuUsage { get; private set; }
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public Gauge.Child CpuCapacity { get; private set; }
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public Gauge.Child MemoryUsage { get; private set; }
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public Gauge.Child TotalNetworkBytesIn { get; private set; }
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public Gauge.Child TotalNetworkBytesOut { get; private set; }
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public Gauge.Child TotalDiskBytesRead { get; private set; }
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public Gauge.Child TotalDiskBytesWrite { get; private set; }
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public ContainerTrackerResourceMetrics(string displayName)
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{
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CpuUsage = BaseCpuUsage.WithLabels(displayName);
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CpuCapacity = BaseCpuCapacity.WithLabels(displayName);
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MemoryUsage = BaseMemoryUsage.WithLabels(displayName);
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TotalNetworkBytesIn = BaseTotalNetworkBytesIn.WithLabels(displayName);
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TotalNetworkBytesOut = BaseTotalNetworkBytesOut.WithLabels(displayName);
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TotalDiskBytesRead = BaseTotalDiskBytesRead.WithLabels(displayName);
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TotalDiskBytesWrite = BaseTotalDiskBytesWrite.WithLabels(displayName);
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}
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public void Dispose()
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{
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CpuUsage.Remove();
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CpuCapacity.Remove();
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MemoryUsage.Remove();
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TotalNetworkBytesIn.Remove();
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TotalNetworkBytesOut.Remove();
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TotalDiskBytesRead.Remove();
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TotalDiskBytesWrite.Remove();
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}
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public void Unpublish()
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{
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CpuUsage.Unpublish();
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CpuCapacity.Unpublish();
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MemoryUsage.Unpublish();
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TotalNetworkBytesIn.Unpublish();
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TotalNetworkBytesOut.Unpublish();
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TotalDiskBytesRead.Unpublish();
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TotalDiskBytesWrite.Unpublish();
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}
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// While logically counters, all of these are gauges because we do not know when Docker might reset the values.
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private static readonly Gauge BaseCpuUsage = Metrics
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.CreateGauge("docker_container_cpu_used_total", "Accumulated CPU usage of a container, in unspecified units, averaged for all logical CPUs usable by the container.", ConfigureGauge());
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private static readonly Gauge BaseCpuCapacity = Metrics
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.CreateGauge("docker_container_cpu_capacity_total", "All potential CPU usage available to a container, in unspecified units, averaged for all logical CPUs usable by the container. Start point of measurement is undefined - only relative values should be used in analytics.", ConfigureGauge());
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private static readonly Gauge BaseMemoryUsage = Metrics
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.CreateGauge("docker_container_memory_used_bytes", "Memory usage of a container.", ConfigureGauge());
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private static readonly Gauge BaseTotalNetworkBytesIn = Metrics
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.CreateGauge("docker_container_network_in_bytes", "Total bytes received by the container's network interfaces.", ConfigureGauge());
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private static readonly Gauge BaseTotalNetworkBytesOut = Metrics
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.CreateGauge("docker_container_network_out_bytes", "Total bytes sent by the container's network interfaces.", ConfigureGauge());
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private static readonly Gauge BaseTotalDiskBytesRead = Metrics
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.CreateGauge("docker_container_disk_read_bytes", "Total bytes read from disk by a container.", ConfigureGauge());
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private static readonly Gauge BaseTotalDiskBytesWrite = Metrics
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.CreateGauge("docker_container_disk_write_bytes", "Total bytes written to disk by a container.", ConfigureGauge());
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private static GaugeConfiguration ConfigureGauge() => new GaugeConfiguration
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{
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LabelNames = new[] { "name" },
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SuppressInitialValue = true
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};
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}
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}
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