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utils.go
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/
utils.go
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package main
import (
"fmt"
"github.com/docker/go-units"
"github.com/montanaflynn/stats"
"regexp"
"strconv"
)
const (
nanoSecond = 1e-9
microSecond = 1e-6
milliSecond = 1e-3
second = float64(1.0)
minute = 60.0 * second
hour = 60.0 * minute
day = 24.0 * hour
week = 7.0 * day
)
type Config struct {
host string
port string
stackName string
apiPrefix string
namespace string
region string
}
type unitMap map[string]float64
var (
durationMap = unitMap{"ns": nanoSecond, "us": microSecond, "ms": milliSecond,
"s": second, "m": minute, "h": hour, "d": day, "w": week}
durationRegex = regexp.MustCompile("ns|us|ms|s|m|h|d|w")
)
func Sum(data stats.Float64Data) float64 {
sum, err := stats.Sum(data)
if err != nil {
fmt.Println("Error ", err)
}
return sum
}
func Median(data stats.Float64Data) float64 {
median, err := stats.Median(data)
if err != nil {
fmt.Println("Error: ", err)
}
return median
}
func fromHumanDuration(data string) (float64, error) {
unit := durationRegex.FindString(data)
durationVal, err := strconv.ParseFloat(data[0:len(data)-1], 64)
return durationVal * durationMap[unit], err
}
func fromHumanSize(data string) (float64, error) {
machineReadableSize, err := units.FromHumanSize(data)
return float64(machineReadableSize), err
}
func boolToInt(data bool) int64 {
if data {
return 1
} else {
return 0
}
}