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CommonNcpFunc.go
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/
CommonNcpFunc.go
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package resources
import (
"encoding/json"
"fmt"
"sync"
"time"
"os"
"os/exec"
"strings"
"math/rand"
cblog "github.com/cloud-barista/cb-log"
"github.com/sirupsen/logrus"
call "github.com/cloud-barista/cb-spider/cloud-control-manager/cloud-driver/call-log"
)
var once sync.Once
var cblogger *logrus.Logger
var calllogger *logrus.Logger
//Cloud Object를 JSON String 타입으로 변환
func ConvertJsonString(v interface{}) (string, error) {
jsonBytes, errJson := json.Marshal(v)
if errJson != nil {
cblogger.Error("JSON 변환 실패")
cblogger.Error(errJson)
return "", errJson
}
jsonString := string(jsonBytes)
return jsonString, nil
}
// int32 to string 변환 : String(), int64 to string 변환 : strconv.Itoa()
func String(n int32) string {
buf := [11]byte{}
pos := len(buf)
i := int64(n)
signed := i < 0
if signed {
i = -i
}
for {
pos--
buf[pos], i = '0'+byte(i%10), i/10
if i == 0 {
if signed {
pos--
buf[pos] = '-'
}
return string(buf[pos:])
}
}
}
func InitLog() {
once.Do(func() {
// cblog is a global variable.
cblogger = cblog.GetLogger("NCP Cloud Driver")
calllogger = call.GetLogger("HISCALL")
})
}
func LoggingError(hiscallInfo call.CLOUDLOGSCHEMA, err error) {
cblogger.Error(err.Error())
hiscallInfo.ErrorMSG = err.Error()
calllogger.Error(call.String(hiscallInfo))
}
func LoggingInfo(hiscallInfo call.CLOUDLOGSCHEMA, start time.Time) {
hiscallInfo.ElapsedTime = call.Elapsed(start)
calllogger.Info(call.String(hiscallInfo))
}
func GetCallLogScheme(zoneInfo string, resourceType call.RES_TYPE, resourceName string, apiName string) call.CLOUDLOGSCHEMA {
cblogger.Info(fmt.Sprintf("Call %s %s", call.NCP, apiName))
return call.CLOUDLOGSCHEMA{
CloudOS: call.NCP,
RegionZone: zoneInfo,
ResourceType: resourceType,
ResourceName: resourceName,
CloudOSAPI: apiName,
}
}
func logAndReturnError(callLogInfo call.CLOUDLOGSCHEMA, givenErrString string, v interface{}) (error) {
newErr := fmt.Errorf(givenErrString + " %v", v)
cblogger.Error(newErr.Error())
LoggingError(callLogInfo, newErr)
return newErr
}
func CheckFolderAndCreate(folderPath string) error {
// Check if the Folder Exists and Create it
if _, err := os.Stat(folderPath); os.IsNotExist(err) {
if err := os.Mkdir(folderPath, 0700); err != nil {
return err
}
}
return nil
}
func GetOriginalNameId(IID2NameId string) string {
reversedNameId := Reverse(IID2NameId)
originalNameId := reversedNameId[:21]
originalNameId = strings.TrimSuffix(IID2NameId, Reverse(originalNameId))
return originalNameId
}
func Reverse(s string) (result string) {
for _,v := range s {
result = string(v) + result
}
return
}
func RunCommand(cmdName string, cmdArgs []string) (string, error) {
/*
Ref)
var (
cmdOut []byte
cmdErr error
)
*/
cblogger.Infof("cmdName : %s", cmdName)
cblogger.Infof("cmdArgs : %s", cmdArgs)
//if cmdOut, cmdErr = exec.Command(cmdName, cmdArgs...).Output(); cmdErr != nil {
if cmdOut, cmdErr := exec.Command(cmdName, cmdArgs...).CombinedOutput(); cmdErr != nil {
fmt.Fprintln(os.Stderr, "There was an error running command: ", cmdErr)
//panic("Can't exec the command: " + cmdErr1.Error())
fmt.Println(fmt.Sprint(cmdErr) + ": " + string(cmdOut))
os.Exit(1)
return string(cmdOut), cmdErr
} else {
fmt.Println("cmdOut : ", string(cmdOut))
return string(cmdOut), nil
}
}
func convertTimeFormat(inputTime string) (time.Time, error) {
// Parse the input time using the given layout
layout := "2006-01-02T15:04:05-0700"
parsedTime, err := time.Parse(layout, inputTime)
if err != nil {
newErr := fmt.Errorf("Failed to Parse the Input Time Format!!")
cblogger.Error(newErr.Error())
return time.Time{}, newErr
}
return parsedTime, nil
}
func randSeq(n int) string {
var letters = []rune("abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ")
rand.Seed(time.Now().UnixNano())
b := make([]rune, n)
for i := range b {
b[i] = letters[rand.Intn(len(letters))]
}
return string(b)
}