Added Mountpoints and SkipInodeUsage options to the Disk plugin to control
which mountpoint stats get reported for and to skip inode stats.
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29363794c1
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e6ea09f482
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@ -8,13 +8,27 @@ import (
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type DiskStats struct {
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ps PS
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Mountpoints []string
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SkipInodeUsage bool
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}
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func (_ *DiskStats) Description() string {
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return "Read metrics about disk usage by mount point"
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}
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func (_ *DiskStats) SampleConfig() string { return "" }
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var diskSampleConfig = `
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# By default, telegraf gather stats for all mountpoints and for inodes.
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# Setting mountpoints will restrict the stats to the specified ones.
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# mountpoints.
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# Mountpoints=["/"]
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# Setting SkipInodeUsage will skip the reporting of inode stats.
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# SkipInodeUsage=true
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`
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func (_ *DiskStats) SampleConfig() string {
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return diskSampleConfig
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}
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func (s *DiskStats) Gather(acc plugins.Accumulator) error {
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disks, err := s.ps.DiskUsage()
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@ -22,7 +36,16 @@ func (s *DiskStats) Gather(acc plugins.Accumulator) error {
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return fmt.Errorf("error getting disk usage info: %s", err)
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}
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mPoints := make(map[string]bool)
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for _, mp := range s.Mountpoints {
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mPoints[mp] = true
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}
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for _, du := range disks {
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_, member := mPoints[ du.Path ]
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if !member {
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continue
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}
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tags := map[string]string{
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"path": du.Path,
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"fstype": du.Fstype,
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@ -30,10 +53,12 @@ func (s *DiskStats) Gather(acc plugins.Accumulator) error {
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acc.Add("total", du.Total, tags)
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acc.Add("free", du.Free, tags)
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acc.Add("used", du.Total-du.Free, tags)
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if !s.SkipInodeUsage {
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acc.Add("inodes_total", du.InodesTotal, tags)
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acc.Add("inodes_free", du.InodesFree, tags)
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acc.Add("inodes_used", du.InodesTotal-du.InodesFree, tags)
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}
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}
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return nil
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}
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