Adding upstream version 1.34.4.

Signed-off-by: Daniel Baumann <daniel@debian.org>

plugins/inputs/disk/disk.go

@@ -0,0 +1,117 @@
+//go:generate ../../../tools/readme_config_includer/generator
+package disk
+
+import (
+	_ "embed"
+	"fmt"
+	"strings"
+
+	"github.com/shirou/gopsutil/v4/disk"
+
+	"github.com/influxdata/telegraf"
+	"github.com/influxdata/telegraf/plugins/common/psutil"
+	"github.com/influxdata/telegraf/plugins/inputs"
+)
+
+//go:embed sample.conf
+var sampleConfig string
+
+type Disk struct {
+	MountPoints     []string        `toml:"mount_points"`
+	IgnoreFS        []string        `toml:"ignore_fs"`
+	IgnoreMountOpts []string        `toml:"ignore_mount_opts"`
+	Log             telegraf.Logger `toml:"-"`
+
+	ps psutil.PS
+}
+
+func (*Disk) SampleConfig() string {
+	return sampleConfig
+}
+
+func (ds *Disk) Init() error {
+	ps := psutil.NewSystemPS()
+	ps.Log = ds.Log
+	ds.ps = ps
+
+	return nil
+}
+
+func (ds *Disk) Gather(acc telegraf.Accumulator) error {
+	disks, partitions, err := ds.ps.DiskUsage(ds.MountPoints, ds.IgnoreMountOpts, ds.IgnoreFS)
+	if err != nil {
+		return fmt.Errorf("error getting disk usage info: %w", err)
+	}
+	for i, du := range disks {
+		if du.Total == 0 {
+			// Skip dummy filesystem (procfs, cgroupfs, ...)
+			continue
+		}
+
+		device := partitions[i].Device
+		mountOpts := mountOptions(partitions[i].Opts)
+		tags := map[string]string{
+			"path":   du.Path,
+			"device": strings.ReplaceAll(device, "/dev/", ""),
+			"fstype": du.Fstype,
+			"mode":   mountOpts.mode(),
+		}
+
+		label, err := disk.Label(strings.TrimPrefix(device, "/dev/"))
+		if err == nil && label != "" {
+			tags["label"] = label
+		}
+
+		var usedPercent float64
+		if du.Used+du.Free > 0 {
+			usedPercent = float64(du.Used) /
+				(float64(du.Used) + float64(du.Free)) * 100
+		}
+
+		var inodesUsedPercent float64
+		if du.InodesUsed+du.InodesFree > 0 {
+			inodesUsedPercent = float64(du.InodesUsed) /
+				(float64(du.InodesUsed) + float64(du.InodesFree)) * 100
+		}
+
+		fields := map[string]interface{}{
+			"total":               du.Total,
+			"free":                du.Free,
+			"used":                du.Used,
+			"used_percent":        usedPercent,
+			"inodes_total":        du.InodesTotal,
+			"inodes_free":         du.InodesFree,
+			"inodes_used":         du.InodesUsed,
+			"inodes_used_percent": inodesUsedPercent,
+		}
+		acc.AddGauge("disk", fields, tags)
+	}
+
+	return nil
+}
+
+type mountOptions []string
+
+func (opts mountOptions) mode() string {
+	if opts.exists("rw") {
+		return "rw"
+	} else if opts.exists("ro") {
+		return "ro"
+	}
+	return "unknown"
+}
+
+func (opts mountOptions) exists(opt string) bool {
+	for _, o := range opts {
+		if o == opt {
+			return true
+		}
+	}
+	return false
+}
+
+func init() {
+	inputs.Add("disk", func() telegraf.Input {
+		return &Disk{}
+	})
+}