167 lines
3.4 KiB
Go
Executable File
167 lines
3.4 KiB
Go
Executable File
package warp10
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import (
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"bytes"
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"fmt"
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"io/ioutil"
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"net/http"
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"sort"
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"strconv"
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"strings"
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"time"
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"github.com/influxdata/telegraf"
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"github.com/influxdata/telegraf/plugins/outputs"
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)
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type Warp10 struct {
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Prefix string
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WarpUrl string
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Token string
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}
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var sampleConfig = `
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# prefix for metrics class Name
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prefix = "Prefix"
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## POST HTTP(or HTTPS) ##
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# Url name of the Warp 10 server
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warp_url = "WarpUrl"
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# Token to access your app on warp 10
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token = "Token"
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`
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type MetricLine struct {
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Metric string
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Timestamp int64
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Value string
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Tags string
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}
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func (o *Warp10) Connect() error {
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return nil
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}
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func (o *Warp10) Write(metrics []telegraf.Metric) error {
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if len(metrics) == 0 {
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return nil
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}
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var now = time.Now()
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collectString := make([]string, 0)
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index := 0
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for _, mm := range metrics {
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for k, v := range mm.Fields() {
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metric := &MetricLine{
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Metric: fmt.Sprintf("%s%s", o.Prefix, mm.Name()+"."+k),
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Timestamp: now.Unix() * 1000000,
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}
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metricValue, err := buildValue(v)
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if err != nil {
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log.Printf("Warp: %s\n", err.Error())
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continue
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}
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metric.Value = metricValue
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tagsSlice := buildTags(mm.Tags())
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metric.Tags = strings.Join(tagsSlice, ",")
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messageLine := fmt.Sprintf("%d// %s{%s} %s\n", metric.Timestamp, metric.Metric, metric.Tags, metric.Value)
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collectString = append(collectString, messageLine)
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index += 1
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}
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}
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payload := fmt.Sprint(strings.Join(collectString, "\n"))
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//defer connection.Close()
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req, err := http.NewRequest("POST", o.WarpUrl, bytes.NewBufferString(payload))
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req.Header.Set("X-Warp10-Token", o.Token)
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req.Header.Set("Content-Type", "text/plain")
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client := &http.Client{}
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resp, err := client.Do(req)
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if err != nil {
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panic(err)
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}
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defer resp.Body.Close()
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fmt.Println("response Status:", resp.Status)
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fmt.Println("response Headers:", resp.Header)
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body, _ := ioutil.ReadAll(resp.Body)
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fmt.Println("response Body:", string(body))
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return nil
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}
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func buildTags(ptTags map[string]string) []string {
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sizeTags := len(ptTags)
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sizeTags += 1
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tags := make([]string, sizeTags)
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index := 0
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for k, v := range ptTags {
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tags[index] = fmt.Sprintf("%s=%s", k, v)
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index += 1
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}
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tags[index] = fmt.Sprintf("source=telegraf")
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sort.Strings(tags)
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return tags
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}
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func buildValue(v interface{}) (string, error) {
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var retv string
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switch p := v.(type) {
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case int64:
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retv = IntToString(int64(p))
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case string:
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retv = fmt.Sprintf("'%s'", p)
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case bool:
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retv = BoolToString(bool(p))
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case uint64:
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retv = UIntToString(uint64(p))
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case float64:
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retv = FloatToString(float64(p))
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default:
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retv = fmt.Sprintf("'%s'", p)
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// return retv, fmt.Errorf("unexpected type %T with value %v for Warp", v, v)
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}
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return retv, nil
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}
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func IntToString(input_num int64) string {
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return strconv.FormatInt(input_num, 10)
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}
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func BoolToString(input_bool bool) string {
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return strconv.FormatBool(input_bool)
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}
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func UIntToString(input_num uint64) string {
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return strconv.FormatUint(input_num, 10)
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}
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func FloatToString(input_num float64) string {
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return strconv.FormatFloat(input_num, 'f', 6, 64)
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}
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func (o *Warp10) SampleConfig() string {
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return sampleConfig
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}
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func (o *Warp10) Description() string {
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return "Configuration for Warp server to send metrics to"
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}
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func (o *Warp10) Close() error {
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// Basically nothing to do for Warp10 here
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return nil
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}
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func init() {
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outputs.Add("warp10", func() telegraf.Output {
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return &Warp10{}
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})
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}
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