60 lines
1.4 KiB
Go
60 lines
1.4 KiB
Go
package metrics
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import (
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"time"
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"github.com/shirou/gopsutil/v3/cpu"
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"github.com/shirou/gopsutil/v3/disk"
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"github.com/shirou/gopsutil/v3/mem"
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log "github.com/sirupsen/logrus"
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)
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// Max number of metrics we want to keep.
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const maxCollectionValues = 300
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func collectCPUUtilization() {
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if len(metrics.CPUUtilizations) > maxCollectionValues {
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metrics.CPUUtilizations = metrics.CPUUtilizations[1:]
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}
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v, err := cpu.Percent(0, false)
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if err != nil {
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log.Errorln(err)
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return
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}
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// Default to zero but try to use the cumulative values of all the CPUs
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// if values exist.
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value := 0.0
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if len(v) > 0 {
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value = v[0]
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}
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metricValue := TimestampedValue{time.Now(), value}
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metrics.CPUUtilizations = append(metrics.CPUUtilizations, metricValue)
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cpuUsage.Set(metricValue.Value)
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}
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func collectRAMUtilization() {
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if len(metrics.RAMUtilizations) > maxCollectionValues {
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metrics.RAMUtilizations = metrics.RAMUtilizations[1:]
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}
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memoryUsage, _ := mem.VirtualMemory()
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metricValue := TimestampedValue{time.Now(), memoryUsage.UsedPercent}
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metrics.RAMUtilizations = append(metrics.RAMUtilizations, metricValue)
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}
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func collectDiskUtilization() {
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path := "./"
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diskUse, _ := disk.Usage(path)
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if len(metrics.DiskUtilizations) > maxCollectionValues {
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metrics.DiskUtilizations = metrics.DiskUtilizations[1:]
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}
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metricValue := TimestampedValue{time.Now(), diskUse.UsedPercent}
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metrics.DiskUtilizations = append(metrics.DiskUtilizations, metricValue)
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}
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