categraf/config/duration.go

52 lines
1.1 KiB
Go

package config
import (
"strconv"
"strings"
"time"
)
// Duration is a time.Duration
type Duration time.Duration
// UnmarshalTOML parses the duration from the TOML config file
func (d *Duration) UnmarshalTOML(b []byte) error {
// convert to string
durStr := string(b)
// Value is a TOML number (e.g. 3, 10, 3.5)
// First try parsing as integer seconds
sI, err := strconv.ParseInt(durStr, 10, 64)
if err == nil {
dur := time.Second * time.Duration(sI)
*d = Duration(dur)
return nil
}
// Second try parsing as float seconds
sF, err := strconv.ParseFloat(durStr, 64)
if err == nil {
dur := time.Second * time.Duration(sF)
*d = Duration(dur)
return nil
}
// Finally, try value is a TOML string (e.g. "3s", 3s) or literal (e.g. '3s')
durStr = strings.ReplaceAll(durStr, "'", "")
durStr = strings.ReplaceAll(durStr, "\"", "")
if durStr == "" {
durStr = "0s"
}
dur, err := time.ParseDuration(durStr)
if err != nil {
return err
}
*d = Duration(dur)
return nil
}
func (d *Duration) UnmarshalText(text []byte) error {
return d.UnmarshalTOML(text)
}