value parser: doc & string handling

This commit is contained in:
Cameron Sparr 2016-05-02 12:17:20 -06:00
parent 46f4be88a6
commit f2b0ea6722
2 changed files with 22 additions and 10 deletions

View File

@ -156,7 +156,12 @@ as the parsed metric.
#### Value Configuration:
You **must** tell Telegraf what type of metric to collect by using the
`data_type` configuration option.
`data_type` configuration option. Available options are:
1. integer
2. float or long
3. string
4. boolean
**Note:** It is also recommended that you set `name_override` to a measurement
name that makes sense for your metric, otherwise it will just be set to the

View File

@ -4,6 +4,7 @@ import (
"bytes"
"fmt"
"strconv"
"strings"
"time"
"github.com/influxdata/telegraf"
@ -16,24 +17,30 @@ type ValueParser struct {
}
func (v *ValueParser) Parse(buf []byte) ([]telegraf.Metric, error) {
// separate out any fields in the buffer, ignore anything but the last.
// unless it's a string, separate out any fields in the buffer,
// ignore anything but the last.
var vStr string
if v.DataType == "string" {
vStr = strings.TrimSpace(string(buf))
} else {
values := bytes.Fields(buf)
if len(values) < 1 {
return []telegraf.Metric{}, nil
}
valueStr := string(values[len(values)-1])
vStr = string(values[len(values)-1])
}
var value interface{}
var err error
switch v.DataType {
case "", "int", "integer":
value, err = strconv.Atoi(valueStr)
value, err = strconv.Atoi(vStr)
case "float", "long":
value, err = strconv.ParseFloat(valueStr, 64)
value, err = strconv.ParseFloat(vStr, 64)
case "str", "string":
value = valueStr
value = vStr
case "bool", "boolean":
value, err = strconv.ParseBool(valueStr)
value, err = strconv.ParseBool(vStr)
}
if err != nil {
return nil, err