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MyImageHandler.go
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MyImageHandler.go
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// Proof of Concepts of CB-Spider.
// The CB-Spider is a sub-Framework of the Cloud-Barista Multi-Cloud Project.
// The CB-Spider Mission is to connect all the clouds with a single interface.
//
// * Cloud-Barista: https://github.com/cloud-barista
//
// This is a Cloud Driver Example for PoC Test.
//
// by ETRI, 2022.11.
package resources
import (
"fmt"
"strings"
"time"
// "github.com/davecgh/go-spew/spew"
// "github.com/NaverCloudPlatform/ncloud-sdk-go-v2/ncloud"
vserver "github.com/NaverCloudPlatform/ncloud-sdk-go-v2/services/vserver"
call "github.com/cloud-barista/cb-spider/cloud-control-manager/cloud-driver/call-log"
idrv "github.com/cloud-barista/cb-spider/cloud-control-manager/cloud-driver/interfaces"
irs "github.com/cloud-barista/cb-spider/cloud-control-manager/cloud-driver/interfaces/resources"
)
type NcpVpcMyImageHandler struct {
RegionInfo idrv.RegionInfo
VMClient *vserver.APIClient
}
const (
// NCP VPC Snapshop Options : FULL | INCREMENTAL, Default : FULL
NcpDefaultSnapshotTypeCode string = "FULL"
)
// To Take a Snapshot with VM ID (To Create My Image)
func (myImageHandler *NcpVpcMyImageHandler) SnapshotVM(snapshotReqInfo irs.MyImageInfo) (irs.MyImageInfo, error) {
cblogger.Info("NCP VPC Cloud Driver: called SnapshotVM()")
InitLog()
callLogInfo := GetCallLogScheme(myImageHandler.RegionInfo.Region, call.MYIMAGE, snapshotReqInfo.IId.SystemId, "SnapshotVM()") // HisCall logging
if strings.EqualFold(snapshotReqInfo.SourceVM.SystemId, "") {
newErr := fmt.Errorf("Invalid VM SystemId!!")
cblogger.Error(newErr.Error())
LoggingError(callLogInfo, newErr)
return irs.MyImageInfo{}, newErr
}
snapshotReq := vserver.CreateMemberServerImageInstanceRequest{ // Not CreateBlockStorageSnapshotInstanceRequest{}
RegionCode: &myImageHandler.RegionInfo.Region,
MemberServerImageName: &snapshotReqInfo.IId.NameId,
ServerInstanceNo: &snapshotReqInfo.SourceVM.SystemId,
}
callLogStart := call.Start()
result, err := myImageHandler.VMClient.V2Api.CreateMemberServerImageInstance(&snapshotReq) // Not CreateBlockStorageSnapshotInstance
if err != nil {
newErr := fmt.Errorf("Failed to Create New VM Snapshot : [%v]", err)
cblogger.Error(newErr.Error())
LoggingError(callLogInfo, newErr)
return irs.MyImageInfo{}, newErr
}
LoggingInfo(callLogInfo, callLogStart)
if *result.TotalRows < 1 {
newErr := fmt.Errorf("Failed to Create New VM Snapshot. Snapshot does Not Exist!!")
cblogger.Error(newErr.Error())
LoggingError(callLogInfo, newErr)
return irs.MyImageInfo{}, newErr
} else {
cblogger.Info("Succeeded in Creating New Snapshot.")
}
newImageIID := irs.IID{SystemId: *result.MemberServerImageInstanceList[0].MemberServerImageInstanceNo}
// To Wait for Creating a Snapshot Image
curStatus, err := myImageHandler.WaitForImageSnapshot(newImageIID)
if err != nil {
newErr := fmt.Errorf("Failed to Wait for Image Snapshot. [%v]", err.Error())
cblogger.Error(newErr.Error())
LoggingError(callLogInfo, newErr)
return irs.MyImageInfo{}, newErr
}
cblogger.Infof("==> Image Status of the Snapshot : [%s]", string(curStatus))
myImageInfo, err := myImageHandler.GetMyImage(newImageIID)
if err != nil {
newErr := fmt.Errorf("Failed to Get MyImage Info. [%v]", err.Error())
cblogger.Error(newErr.Error())
LoggingError(callLogInfo, newErr)
return irs.MyImageInfo{}, newErr
}
return myImageInfo, nil
}
// To Manage My Images
func (myImageHandler *NcpVpcMyImageHandler) ListMyImage() ([]*irs.MyImageInfo, error) {
cblogger.Info("NCP VPC Cloud Driver: called ListMyImage()")
InitLog()
callLogInfo := GetCallLogScheme(myImageHandler.RegionInfo.Region, call.MYIMAGE, "ListMyImage()", "ListMyImage()") // HisCall logging
imageListReq := vserver.GetMemberServerImageInstanceListRequest{ // Not GetBlockStorageSnapshotInstanceListRequest
RegionCode: &myImageHandler.RegionInfo.Region,
}
callLogStart := call.Start()
result, err := myImageHandler.VMClient.V2Api.GetMemberServerImageInstanceList(&imageListReq) // Caution : Not GetBlockStorageSnapshotInstanceList()
if err != nil {
newErr := fmt.Errorf("Failed to Get the Snapshot Image List from NCP VPC : [%v]", err)
cblogger.Error(newErr.Error())
LoggingError(callLogInfo, newErr)
return nil, newErr
}
LoggingInfo(callLogInfo, callLogStart)
var imageInfoList []*irs.MyImageInfo
if *result.TotalRows < 1 {
cblogger.Info("# Snapshot Image does Not Exist!!")
} else {
cblogger.Info("Succeeded in Getting the Snapshot Info List.")
for _, snapshotImage := range result.MemberServerImageInstanceList {
imageInfo, err := myImageHandler.MappingMyImageInfo(snapshotImage)
if err != nil {
newErr := fmt.Errorf("Failed to Map MyImage Info!!")
cblogger.Error(newErr.Error())
LoggingError(callLogInfo, newErr)
}
imageInfoList = append(imageInfoList, imageInfo)
}
}
return imageInfoList, nil
}
func (myImageHandler *NcpVpcMyImageHandler) GetMyImage(myImageIID irs.IID) (irs.MyImageInfo, error) {
cblogger.Info("NCP VPC Cloud Driver: called GetMyImage()")
InitLog()
callLogInfo := GetCallLogScheme(myImageHandler.RegionInfo.Region, call.MYIMAGE, myImageIID.SystemId, "GetMyImage()") // HisCall logging
if strings.EqualFold(myImageIID.SystemId, "") {
newErr := fmt.Errorf("Invalid SystemId!!")
cblogger.Error(newErr.Error())
LoggingError(callLogInfo, newErr)
return irs.MyImageInfo{}, newErr
}
imageReq := vserver.GetMemberServerImageInstanceDetailRequest{ // Not GetBlockStorageSnapshotInstanceDetailRequest{}
RegionCode: &myImageHandler.RegionInfo.Region,
MemberServerImageInstanceNo: &myImageIID.SystemId,
}
callLogStart := call.Start()
result, err := myImageHandler.VMClient.V2Api.GetMemberServerImageInstanceDetail(&imageReq) // Caution : Not GetBlockStorageSnapshotInstanceDetail()
if err != nil {
newErr := fmt.Errorf("Failed to Get the Snapshot Image Info : [%v]", err)
cblogger.Error(newErr.Error())
LoggingError(callLogInfo, newErr)
return irs.MyImageInfo{}, newErr
}
LoggingInfo(callLogInfo, callLogStart)
if *result.TotalRows < 1 {
newErr := fmt.Errorf("Failed to Get the Snapshot Image Info.Snapshot Image does Not Exist!!")
cblogger.Error(newErr.Error())
LoggingError(callLogInfo, newErr)
return irs.MyImageInfo{}, newErr
} else {
cblogger.Info("Succeeded in Getting the Snapshot Image Info.")
}
imageInfo, err := myImageHandler.MappingMyImageInfo(result.MemberServerImageInstanceList[0])
if err != nil {
newErr := fmt.Errorf("Failed to Map MyImage Info!!")
cblogger.Error(newErr.Error())
LoggingError(callLogInfo, newErr)
}
return *imageInfo, nil
}
func (myImageHandler *NcpVpcMyImageHandler) CheckWindowsImage(myImageIID irs.IID) (bool, error) {
cblogger.Info("NCP VPC Cloud Driver: called CheckWindowsImage()")
InitLog()
callLogInfo := GetCallLogScheme(myImageHandler.RegionInfo.Region, call.MYIMAGE, myImageIID.SystemId, "CheckWindowsImage()") // HisCall logging
if strings.EqualFold(myImageIID.SystemId, "") {
newErr := fmt.Errorf("Invalid SystemId!!")
cblogger.Error(newErr.Error())
LoggingError(callLogInfo, newErr)
return false, newErr
}
myImageInfo, err := myImageHandler.GetMyImage(myImageIID)
if err != nil {
newErr := fmt.Errorf("Failed to Get MyImage Info. [%v]", err.Error())
cblogger.Error(newErr.Error())
LoggingError(callLogInfo, newErr)
return false, newErr
}
var originalImageProductCode string
// Use Key/Value info of the myImageInfo.
for _, keyInfo := range myImageInfo.KeyValueList {
if keyInfo.Key == "OriginalServerImageProductCode" {
originalImageProductCode = keyInfo.Value
break
}
}
cblogger.Infof("\n### OriginalServerImageProductCode : [%s]", originalImageProductCode)
isWindowsImage := false
if strings.Contains(strings.ToUpper(originalImageProductCode), "WND") {
isWindowsImage = true
}
return isWindowsImage, nil
}
func (myImageHandler *NcpVpcMyImageHandler) DeleteMyImage(myImageIID irs.IID) (bool, error) {
cblogger.Info("NCP VPC Cloud Driver: called DeleteMyImage()")
InitLog()
callLogInfo := GetCallLogScheme(myImageHandler.RegionInfo.Region, call.MYIMAGE, myImageIID.SystemId, "DeleteMyImage()") // HisCall logging
if strings.EqualFold(myImageIID.SystemId, "") {
newErr := fmt.Errorf("Invalid SystemId!!")
cblogger.Error(newErr.Error())
LoggingError(callLogInfo, newErr)
return false, newErr
}
snapshotImageNoList := []*string {&myImageIID.SystemId}
delReq := vserver.DeleteMemberServerImageInstancesRequest{ // Not DeleteBlockStorageSnapshotInstancesRequest{}
RegionCode: &myImageHandler.RegionInfo.Region,
MemberServerImageInstanceNoList: snapshotImageNoList,
}
callLogStart := call.Start()
result, err := myImageHandler.VMClient.V2Api.DeleteMemberServerImageInstances(&delReq) // Not DeleteBlockStorageSnapshotInstances()
if err != nil {
newErr := fmt.Errorf("Failed to Delete the Snapshot Image. : [%v]", err)
cblogger.Error(newErr.Error())
LoggingError(callLogInfo, newErr)
return false, newErr
}
LoggingInfo(callLogInfo, callLogStart)
if !strings.EqualFold(*result.ReturnMessage, "success") {
newErr := fmt.Errorf("Failed to Delete the Snapshot Image.")
cblogger.Error(newErr.Error())
LoggingError(callLogInfo, newErr)
return false, newErr
} else {
cblogger.Info("Succeeded in Deleting the Snapshot Image.")
}
return true, nil
}
// Waiting for up to 500 seconds during Taking a Snapshot from a VM
func (myImageHandler *NcpVpcMyImageHandler) WaitForImageSnapshot(myImageIID irs.IID) (irs.MyImageStatus, error) {
cblogger.Info("===> Since Snapshot info. cannot be retrieved immediately after taking a snapshot, waits ....")
if strings.EqualFold(myImageIID.SystemId, "") {
newErr := fmt.Errorf("Invalid SystemId!!")
cblogger.Error(newErr.Error())
return "", newErr
}
curRetryCnt := 0
maxRetryCnt := 500
for {
curStatus, err := myImageHandler.GetImageStatus(myImageIID)
if err != nil {
newErr := fmt.Errorf("Failed to Get the Image Status. : [%v] ", err)
cblogger.Error(newErr.Error())
return "Failed. ", newErr
} else {
cblogger.Infof("Succeeded in Getting the Image Status : [%s]", string(curStatus))
}
cblogger.Infof("\n ### Image Status : [%s]", string(curStatus))
if strings.EqualFold(string(curStatus), "Unavailable") {
curRetryCnt++
cblogger.Infof("The Image is still 'Unavailable', so wait for a second more before inquiring the Image info.")
time.Sleep(time.Second * 3)
if curRetryCnt > maxRetryCnt {
newErr := fmt.Errorf("Despite waiting for a long time(%d sec), the Image status is %s, so it is forcibly finished.", maxRetryCnt, string(curStatus))
cblogger.Error(newErr.Error())
return "Failed. ", newErr
}
} else {
cblogger.Infof("===> ### The Image Snapshot is finished, stopping the waiting.")
return curStatus, nil
//break
}
}
}
func (myImageHandler *NcpVpcMyImageHandler) GetImageStatus(myImageIID irs.IID) (irs.MyImageStatus, error) {
cblogger.Info("NCP VPC Cloud Driver: called GetImageStatus()")
InitLog()
callLogInfo := GetCallLogScheme(myImageHandler.RegionInfo.Region, call.MYIMAGE, myImageIID.SystemId, "GetImageStatus()") // HisCall logging
if strings.EqualFold(myImageIID.SystemId, "") {
newErr := fmt.Errorf("Invalid SystemId!!")
cblogger.Error(newErr.Error())
LoggingError(callLogInfo, newErr)
return "", newErr
}
imageReq := vserver.GetMemberServerImageInstanceDetailRequest{ // Not GetBlockStorageSnapshotInstanceDetailRequest{}
RegionCode: &myImageHandler.RegionInfo.Region,
MemberServerImageInstanceNo: &myImageIID.SystemId,
}
callLogStart := call.Start()
result, err := myImageHandler.VMClient.V2Api.GetMemberServerImageInstanceDetail(&imageReq) // Caution : Not GetBlockStorageSnapshotInstanceDetail()
if err != nil {
newErr := fmt.Errorf("Failed to Get the Snapshot Image Info : [%v]", err)
cblogger.Error(newErr.Error())
LoggingError(callLogInfo, newErr)
return "", newErr
}
LoggingInfo(callLogInfo, callLogStart)
if *result.TotalRows < 1 {
newErr := fmt.Errorf("Failed to Get the Snapshot Image Info.Snapshot Image does Not Exist!!")
cblogger.Error(newErr.Error())
LoggingError(callLogInfo, newErr)
return "", newErr
} else {
cblogger.Info("Succeeded in Getting the Snapshot Image Info.")
}
myImageStatus := ConvertImageStatus(*result.MemberServerImageInstanceList[0].MemberServerImageInstanceStatus.Code)
return myImageStatus, nil
}
func ConvertImageStatus(myImageStatus string) irs.MyImageStatus {
cblogger.Info("NCP VPC Cloud Driver: called ConvertImageStatus()")
// Ref) https://api.ncloud-docs.com/docs/common-vapidatatype-blockstoragesnapshotinstance
var resultStatus irs.MyImageStatus
switch myImageStatus {
case "INIT" :
resultStatus = irs.MyImageUnavailable
case "CREAT" : // CREATED
resultStatus = irs.MyImageAvailable
default:
resultStatus = "Unknown"
}
return resultStatus
}
func (myImageHandler *NcpVpcMyImageHandler) MappingMyImageInfo(myImage *vserver.MemberServerImageInstance) (*irs.MyImageInfo, error) {
cblogger.Info("NCP VPC Cloud Driver: called MappingMyImageInfo()!")
// cblogger.Info("\n\n### myImage in MappingMyImageInfo() : ")
// spew.Dump(myImage)
// cblogger.Info("\n")
convertedTime, err := convertTimeFormat(*myImage.CreateDate)
if err != nil {
newErr := fmt.Errorf("Failed to Convert the Time Format!!")
cblogger.Error(newErr.Error())
return nil, newErr
}
myImageInfo := &irs.MyImageInfo {
IId: irs.IID{
NameId: *myImage.MemberServerImageName,
SystemId: *myImage.MemberServerImageInstanceNo,
},
SourceVM: irs.IID{SystemId: *myImage.OriginalServerInstanceNo},
Status: ConvertImageStatus(*myImage.MemberServerImageInstanceStatus.Code),
CreatedTime: convertedTime,
}
keyValueList := []irs.KeyValue{
{Key: "Region", Value: myImageHandler.RegionInfo.Region},
{Key: "OriginalServerImageProductCode", Value: *myImage.OriginalServerImageProductCode},
{Key: "CreateDate", Value: *myImage.CreateDate},
}
myImageInfo.KeyValueList = keyValueList
return myImageInfo, nil
}
func (myImageHandler *NcpVpcMyImageHandler) GetOriginImageOSPlatform(myImageIID irs.IID) (string, error) {
cblogger.Info("NCP VPC Cloud Driver: called GetOriginImageOSPlatform()")
InitLog()
callLogInfo := GetCallLogScheme(myImageHandler.RegionInfo.Region, call.MYIMAGE, myImageIID.SystemId, "GetOriginImageOSPlatform()") // HisCall logging
if strings.EqualFold(myImageIID.SystemId, "") {
newErr := fmt.Errorf("Invalid SystemId!!")
cblogger.Error(newErr.Error())
LoggingError(callLogInfo, newErr)
return "", newErr
}
myImageInfo, err := myImageHandler.GetMyImage(myImageIID)
if err != nil {
newErr := fmt.Errorf("Failed to Get MyImage Info. [%v]", err.Error())
cblogger.Error(newErr.Error())
LoggingError(callLogInfo, newErr)
return "", newErr
}
var originalImageProductCode string
// Use Key/Value info of the myImageInfo.
for _, keyInfo := range myImageInfo.KeyValueList {
if keyInfo.Key == "OriginalServerImageProductCode" {
originalImageProductCode = keyInfo.Value
break
}
}
cblogger.Infof("\n### OriginalServerImageProductCode : [%s]", originalImageProductCode)
var originImagePlatform string
if strings.Contains(strings.ToUpper(originalImageProductCode), "UBNTU") {
originImagePlatform = "UBUNTU"
} else if strings.Contains(strings.ToUpper(originalImageProductCode), "CNTOS") {
originImagePlatform = "CENTOS"
} else if strings.Contains(strings.ToUpper(originalImageProductCode), "ROCKY") {
originImagePlatform = "ROCKY"
} else if strings.Contains(strings.ToUpper(originalImageProductCode), "WND") {
originImagePlatform = "WINDOWS"
} else {
newErr := fmt.Errorf("Failed to Get OriginImageOSPlatform of the MyImage!!")
cblogger.Error(newErr.Error())
return "", newErr
}
return originImagePlatform, nil
}