130 lines
2.3 KiB
Go
130 lines
2.3 KiB
Go
package ipmi_sensor
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import (
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"strconv"
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"strings"
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"time"
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"github.com/influxdata/telegraf/plugins"
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"github.com/influxdata/telegraf/plugins/inputs"
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)
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type Ipmi struct {
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Servers []string
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runner Runner
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}
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var sampleConfig = `
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## specify servers via a url matching:
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## [username[:password]@][protocol[(address)]]
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## e.g.
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## root:passwd@lan(127.0.0.1)
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##
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servers = ["USERID:PASSW0RD@lan(192.168.1.1)"]
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`
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func NewIpmi() *Ipmi {
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return &Ipmi{
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runner: CommandRunner{},
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}
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}
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func (m *Ipmi) SampleConfig() string {
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return sampleConfig
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}
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func (m *Ipmi) Description() string {
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return "Read metrics from one or many bare metal servers"
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}
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func (m *Ipmi) Gather(acc plugins.Accumulator) error {
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if m.runner == nil {
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m.runner = CommandRunner{}
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}
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for _, serv := range m.Servers {
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err := m.gatherServer(serv, acc)
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if err != nil {
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return err
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}
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}
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return nil
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}
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func (m *Ipmi) gatherServer(serv string, acc plugins.Accumulator) error {
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conn := NewConnection(serv)
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res, err := m.runner.Run(conn, "sdr")
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if err != nil {
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return err
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}
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// each line will look something like
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// Planar VBAT | 3.05 Volts | ok
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lines := strings.Split(res, "\n")
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for i := 0; i < len(lines); i++ {
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vals := strings.Split(lines[i], "|")
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if len(vals) != 3 {
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continue
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}
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tags := map[string]string{
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"server": conn.Hostname,
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"name": transform(vals[0]),
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}
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fields := make(map[string]interface{})
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if strings.EqualFold("ok", trim(vals[2])) {
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fields["status"] = 1
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} else {
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fields["status"] = 0
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}
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val1 := trim(vals[1])
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if strings.Index(val1, " ") > 0 {
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// split middle column into value and unit
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valunit := strings.SplitN(val1, " ", 2)
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fields["value"] = Atofloat(valunit[0])
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if len(valunit) > 1 {
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tags["unit"] = transform(valunit[1])
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}
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} else {
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fields["value"] = 0.0
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}
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acc.AddFields("ipmi_sensor", fields, tags, time.Now())
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}
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return nil
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}
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type Runner interface {
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Run(conn *Connection, args ...string) (string, error)
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}
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func Atofloat(val string) float64 {
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f, err := strconv.ParseFloat(val, 64)
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if err != nil {
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return 0.0
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} else {
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return f
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}
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}
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func trim(s string) string {
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return strings.TrimSpace(s)
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}
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func transform(s string) string {
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s = trim(s)
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s = strings.ToLower(s)
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return strings.Replace(s, " ", "_", -1)
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}
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func init() {
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inputs.Add("ipmi_sensor", func() plugins.Input {
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return &Ipmi{}
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})
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}
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