package system import ( "fmt" "github.com/influxdb/telegraf/plugins" ) type DiskStats struct { ps PS } func (_ *DiskStats) Description() string { return "Read metrics about disk usage by mount point" } func (_ *DiskStats) SampleConfig() string { return "" } func (s *DiskStats) Gather(acc plugins.Accumulator) error { disks, err := s.ps.DiskUsage() if err != nil { return fmt.Errorf("error getting disk usage info: %s", err) } for _, du := range disks { tags := map[string]string{ "path": du.Path, } acc.Add("total", du.Total, tags) acc.Add("free", du.Free, tags) acc.Add("used", du.Total-du.Free, tags) acc.Add("inodes_total", du.InodesTotal, tags) acc.Add("inodes_free", du.InodesFree, tags) acc.Add("inodes_used", du.InodesTotal-du.InodesFree, tags) } return nil } type DiskIOStats struct { ps PS } func (_ *DiskIOStats) Description() string { return "Read metrics about disk IO by device" } func (_ *DiskIOStats) SampleConfig() string { return "" } func (s *DiskIOStats) Gather(acc plugins.Accumulator) error { diskio, err := s.ps.DiskIO() if err != nil { return fmt.Errorf("error getting disk io info: %s", err) } for _, io := range diskio { tags := map[string]string{} if len(io.Name) != 0 { tags["name"] = io.Name } if len(io.SerialNumber) != 0 { tags["serial"] = io.SerialNumber } acc.Add("reads", io.ReadCount, tags) acc.Add("writes", io.WriteCount, tags) acc.Add("read_bytes", io.ReadBytes, tags) acc.Add("write_bytes", io.WriteBytes, tags) acc.Add("read_time", io.ReadTime, tags) acc.Add("write_time", io.WriteTime, tags) acc.Add("io_time", io.IoTime, tags) } return nil } func init() { plugins.Add("disk", func() plugins.Plugin { return &DiskStats{ps: &systemPS{}} }) plugins.Add("io", func() plugins.Plugin { return &DiskIOStats{ps: &systemPS{}} }) }