113 lines
2.4 KiB
Go
113 lines
2.4 KiB
Go
package system
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import (
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"fmt"
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"github.com/influxdb/tivan/plugins"
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"github.com/influxdb/tivan/plugins/system/ps/cpu"
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"github.com/influxdb/tivan/plugins/system/ps/disk"
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"github.com/influxdb/tivan/plugins/system/ps/load"
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)
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type PS interface {
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LoadAvg() (*load.LoadAvgStat, error)
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CPUTimes() ([]cpu.CPUTimesStat, error)
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DiskUsage() ([]*disk.DiskUsageStat, error)
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}
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type SystemStats struct {
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ps PS
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}
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func (s *SystemStats) add(acc plugins.Accumulator, name string, val float64) {
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if val >= 0 {
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acc.Add(name, val, nil)
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}
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}
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func (s *SystemStats) Gather(acc plugins.Accumulator) error {
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lv, err := s.ps.LoadAvg()
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if err != nil {
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return err
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}
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acc.Add("load1", lv.Load1, nil)
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acc.Add("load5", lv.Load5, nil)
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acc.Add("load15", lv.Load15, nil)
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times, err := s.ps.CPUTimes()
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if err != nil {
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return fmt.Errorf("error getting CPU info: %s", err)
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}
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for _, cts := range times {
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s.add(acc, cts.CPU+".user", cts.User)
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s.add(acc, cts.CPU+".system", cts.System)
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s.add(acc, cts.CPU+".idle", cts.Idle)
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s.add(acc, cts.CPU+".nice", cts.Nice)
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s.add(acc, cts.CPU+".iowait", cts.Iowait)
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s.add(acc, cts.CPU+".irq", cts.Irq)
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s.add(acc, cts.CPU+".softirq", cts.Softirq)
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s.add(acc, cts.CPU+".steal", cts.Steal)
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s.add(acc, cts.CPU+".guest", cts.Guest)
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s.add(acc, cts.CPU+".guestNice", cts.GuestNice)
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s.add(acc, cts.CPU+".stolen", cts.Stolen)
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}
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disks, err := s.ps.DiskUsage()
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if err != nil {
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return err
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}
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for _, du := range disks {
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tags := map[string]string{
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"path": du.Path,
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}
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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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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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return nil
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}
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type systemPS struct{}
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func (s *systemPS) LoadAvg() (*load.LoadAvgStat, error) {
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return load.LoadAvg()
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}
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func (s *systemPS) CPUTimes() ([]cpu.CPUTimesStat, error) {
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return cpu.CPUTimes(true)
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}
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func (s *systemPS) DiskUsage() ([]*disk.DiskUsageStat, error) {
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parts, err := disk.DiskPartitions(true)
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if err != nil {
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return nil, err
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}
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var usage []*disk.DiskUsageStat
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for _, p := range parts {
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du, err := disk.DiskUsage(p.Mountpoint)
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if err != nil {
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return nil, err
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}
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usage = append(usage, du)
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}
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return usage, nil
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}
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func init() {
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plugins.Add("system", func() plugins.Plugin {
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return &SystemStats{ps: &systemPS{}}
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})
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}
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