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VMHandler.go
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VMHandler.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, 2021.12.
// Updated by ETRI, 2024.01.
// Updated by ETRI, 2024.04.
package resources
import (
"fmt"
"os"
"strconv"
"strings"
"time"
_ "time/tzdata" // To prevent 'unknown time zone Asia/Seoul' error
// "github.com/davecgh/go-spew/spew"
nhnsdk "github.com/cloud-barista/nhncloud-sdk-go"
"github.com/cloud-barista/nhncloud-sdk-go/openstack/blockstorage/v2/volumes"
"github.com/cloud-barista/nhncloud-sdk-go/openstack/compute/v2/extensions/bootfromvolume"
"github.com/cloud-barista/nhncloud-sdk-go/openstack/compute/v2/extensions/floatingips"
"github.com/cloud-barista/nhncloud-sdk-go/openstack/compute/v2/extensions/keypairs"
"github.com/cloud-barista/nhncloud-sdk-go/openstack/compute/v2/extensions/startstop"
"github.com/cloud-barista/nhncloud-sdk-go/openstack/compute/v2/flavors"
comimages "github.com/cloud-barista/nhncloud-sdk-go/openstack/compute/v2/images" // compute/v2/images
"github.com/cloud-barista/nhncloud-sdk-go/openstack/compute/v2/servers"
// images "github.com/cloud-barista/nhncloud-sdk-go/openstack/imageservice/v2/images" // imageservice/v2/images : For Visibility parameter
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"
)
const (
DefaultVMUserName string = "cb-user"
DefaultWindowsUserName string = "cb-user"
UbuntuCloudInitFilePath string = "/cloud-driver-libs/.cloud-init-nhncloud/cloud-init-ubuntu"
WinCloudInitFilePath string = "/cloud-driver-libs/.cloud-init-nhncloud/cloud-init-windows"
DefaultDiskSize string = "20"
DefaultWinRootDiskSize string = "50"
)
type NhnCloudVMHandler struct {
RegionInfo idrv.RegionInfo
VMClient *nhnsdk.ServiceClient
ImageClient *nhnsdk.ServiceClient
NetworkClient *nhnsdk.ServiceClient
VolumeClient *nhnsdk.ServiceClient
}
func (vmHandler *NhnCloudVMHandler) StartVM(vmReqInfo irs.VMReqInfo) (irs.VMInfo, error) {
cblogger.Info("NHN Cloud Driver: called StartVM()")
callLogInfo := getCallLogScheme(vmHandler.RegionInfo.Region, call.VM, vmReqInfo.IId.NameId, "StartVM()")
if strings.EqualFold(vmReqInfo.IId.NameId, "") {
newErr := fmt.Errorf("Invalid VM NameId!!")
cblogger.Error(newErr.Error())
LoggingError(callLogInfo, newErr)
return irs.VMInfo{}, newErr
}
if strings.EqualFold(vmReqInfo.VpcIID.SystemId, "") {
newErr := fmt.Errorf("Invalid VPC SystemId!!")
cblogger.Error(newErr.Error())
LoggingError(callLogInfo, newErr)
return irs.VMInfo{}, newErr
}
// # Check whether the Routing Table (of the VPC) is connected to an Internet Gateway
vpcHandler := NhnCloudVPCHandler{
RegionInfo: vmHandler.RegionInfo,
NetworkClient: vmHandler.NetworkClient,
}
isConnectedToGateway, err := vpcHandler.isConnectedToGateway(vmReqInfo.VpcIID.SystemId)
if err != nil {
newErr := fmt.Errorf("Failed to Check whether the VPC connected to an Internet Gateway : [%v]", err)
cblogger.Error(newErr.Error())
LoggingError(callLogInfo, newErr)
return irs.VMInfo{}, newErr
}
if !isConnectedToGateway {
newErr := fmt.Errorf("Routing Table of the VPC need to be connected to an Internet Gateway to use Public IP!!")
cblogger.Error(newErr.Error())
LoggingError(callLogInfo, newErr)
return irs.VMInfo{}, newErr
}
// Check if VM Name is Duplicated
listOpts := servers.ListOpts{Name: vmReqInfo.IId.NameId}
allPages, err := servers.List(vmHandler.VMClient, listOpts).AllPages()
if err != nil {
newErr := fmt.Errorf("Failed to Get VM with the name : %s", vmReqInfo.IId.NameId)
cblogger.Error(newErr.Error())
LoggingError(callLogInfo, newErr)
return irs.VMInfo{}, newErr
}
vmList, err := servers.ExtractServers(allPages)
if err != nil {
newErr := fmt.Errorf("Failed to Get VM Info with the name : %s", vmReqInfo.IId.NameId)
cblogger.Error(newErr.Error())
LoggingError(callLogInfo, newErr)
return irs.VMInfo{}, newErr
}
if len(vmList) != 0 {
newErr := fmt.Errorf("The VM Name [%s] already exists!!", vmReqInfo.IId.NameId)
cblogger.Error(newErr.Error())
LoggingError(callLogInfo, newErr)
return irs.VMInfo{}, newErr
}
// Get VM SpecId with the name
vmSpecId, err := getVMSpecIdWithName(vmHandler.VMClient, vmReqInfo.VMSpecName)
if err != nil {
newErr := fmt.Errorf("Failed to Get VMSpec ID with the name : %v", err)
cblogger.Error(newErr.Error())
LoggingError(callLogInfo, newErr)
return irs.VMInfo{}, newErr
}
cblogger.Infof("# vmSpecId : [%s]", vmSpecId)
// Get SecurityGroupId list
var sgIdList []string
for _, sgIID := range vmReqInfo.SecurityGroupIIDs {
sgIdList = append(sgIdList, sgIID.SystemId)
}
// # Preparing for UserData String for Linux and Windows Platform
var initUserData *string
var keyPairId string
if !strings.EqualFold(vmReqInfo.KeyPairIID.SystemId, "") {
keyPairId = vmReqInfo.KeyPairIID.SystemId
} else {
keyPairId = vmReqInfo.KeyPairIID.NameId
}
if vmReqInfo.ImageType == irs.PublicImage || vmReqInfo.ImageType == "" || vmReqInfo.ImageType == "default" {
// isPublicImage() in ImageHandler
imageHandler := NhnCloudImageHandler{
RegionInfo: vmHandler.RegionInfo,
VMClient: vmHandler.VMClient,
ImageClient: vmHandler.ImageClient,
}
isPublicImage, err := imageHandler.isPublicImage(vmReqInfo.ImageIID)
if err != nil {
newErr := fmt.Errorf("Failed to Check Whether the Image is Public Image : [%v]", err)
cblogger.Error(newErr.Error())
return irs.VMInfo{}, newErr
}
if !isPublicImage {
newErr := fmt.Errorf("'PublicImage' type is selected, but Specified image is Not a PublicImage in the region!!")
cblogger.Error(newErr.Error())
return irs.VMInfo{}, newErr
}
// CheckWindowsImage() in ImageHandler
isPublicWindowsImage, err := imageHandler.CheckWindowsImage(vmReqInfo.ImageIID)
if err != nil {
newErr := fmt.Errorf("Failed to Check Whether the Image is MS Windows Image : [%v]", err)
cblogger.Error(newErr.Error())
LoggingError(callLogInfo, newErr)
return irs.VMInfo{}, newErr
}
if isPublicWindowsImage {
var createErr error
initUserData, createErr = vmHandler.createWinInitUserData(vmReqInfo.VMUserPasswd)
if createErr != nil {
newErr := fmt.Errorf("Failed to Create Cloud-Init Script with the Password : [%v]", createErr)
cblogger.Error(newErr.Error())
LoggingError(callLogInfo, newErr)
return irs.VMInfo{}, newErr
}
} else {
var createErr error
initUserData, createErr = vmHandler.createLinuxInitUserData(vmReqInfo.ImageIID, keyPairId)
if createErr != nil {
newErr := fmt.Errorf("Failed to Create Cloud-Init Script with the KeyPairId : [%v]", createErr)
cblogger.Error(newErr.Error())
LoggingError(callLogInfo, newErr)
return irs.VMInfo{}, newErr
}
}
} else { // In case of MyImage
// isPublicImage() in 'MyImage'Handler
myImageHandler := NhnCloudMyImageHandler{
RegionInfo: vmHandler.RegionInfo,
VMClient: vmHandler.VMClient,
ImageClient: vmHandler.ImageClient,
}
isPublicImage, err := myImageHandler.isPublicImage(vmReqInfo.ImageIID)
if err != nil {
newErr := fmt.Errorf("Failed to Check Whether the Image is Public Image : [%v]", err)
cblogger.Error(newErr.Error())
return irs.VMInfo{}, newErr
}
if isPublicImage {
newErr := fmt.Errorf("'MyImage' type is selected, but Specified image is Not a MyImage!!")
cblogger.Error(newErr.Error())
return irs.VMInfo{}, newErr
}
// CheckWindowsImage() in 'MyImage'Handler
isMyWindowsImage, err := myImageHandler.CheckWindowsImage(vmReqInfo.ImageIID)
if err != nil {
newErr := fmt.Errorf("Failed to Check Whether My Image is MS Windows Image : [%v]", err)
cblogger.Error(newErr.Error())
LoggingError(callLogInfo, newErr)
return irs.VMInfo{}, newErr
}
if isMyWindowsImage {
var createErr error
initUserData, createErr = vmHandler.createWinInitUserData(vmReqInfo.VMUserPasswd)
if createErr != nil {
newErr := fmt.Errorf("Failed to Create Cloud-Init Script with the Password : [%v]", createErr)
cblogger.Error(newErr.Error())
LoggingError(callLogInfo, newErr)
return irs.VMInfo{}, newErr
}
} else {
var createErr error
initUserData, createErr = vmHandler.createLinuxInitUserData(vmReqInfo.ImageIID, keyPairId)
if createErr != nil {
newErr := fmt.Errorf("Failed to Create Cloud-Init Script with the KeyPairId : [%v]", createErr)
cblogger.Error(newErr.Error())
LoggingError(callLogInfo, newErr)
return irs.VMInfo{}, newErr
}
}
}
// cblogger.Infof("init UserData : [%s]", *initUserData)
// Preparing VM Creation Options
serverCreateOpts := servers.CreateOpts{
Name: vmReqInfo.IId.NameId,
SecurityGroups: sgIdList,
ImageRef: vmReqInfo.ImageIID.SystemId,
FlavorRef: vmSpecId,
Networks: []servers.Network{
{UUID: vmReqInfo.VpcIID.SystemId},
},
AvailabilityZone: vmHandler.RegionInfo.Zone,
UserData: []byte(*initUserData), // Apply cloud-init script
}
// Add KeyPair Name
createOpts := keypairs.CreateOptsExt{
KeyName: vmReqInfo.KeyPairIID.NameId,
}
nhnVMSpecType := vmReqInfo.VMSpecName[:2] // Ex) u2 or m2 or c2 ...
cblogger.Infof("# nhnVMSpecType : [%s]", nhnVMSpecType)
reqDiskType := vmReqInfo.RootDiskType // 'default', 'General_HDD' or 'General_SSD'
reqDiskSize := vmReqInfo.RootDiskSize
// Set VM RootDiskType
if strings.EqualFold(reqDiskType, "General_HDD") {
reqDiskType = HDD // "General HDD"
} else if strings.EqualFold(reqDiskType, "General_SSD") {
reqDiskType = SSD // "General SSD"
}
// In case, Volume Type is not specified.
if strings.EqualFold(reqDiskType, "") || strings.EqualFold(reqDiskType, "default") {
reqDiskType = HDD
}
// When Volume Type is Incorrect
if strings.EqualFold(nhnVMSpecType, "u2") && !strings.EqualFold(reqDiskType, HDD) {
newErr := fmt.Errorf("Invalid RootDiskType!! Specified VMSpec [%s] supports only 'default' or 'General_HDD' RootDiskType!!", vmReqInfo.VMSpecName)
cblogger.Error(newErr.Error())
LoggingError(callLogInfo, newErr)
return irs.VMInfo{}, newErr
}
if strings.EqualFold(nhnVMSpecType, "u2") && (!strings.EqualFold(reqDiskSize, "") && !strings.EqualFold(reqDiskSize, "default")) {
vmSpecHandler := NhnCloudVMSpecHandler{
RegionInfo: vmHandler.RegionInfo,
VMClient: vmHandler.VMClient,
}
vmSpec, err := vmSpecHandler.GetVMSpec(vmReqInfo.VMSpecName) // Check vmSpec info.
if err != nil {
newErr := fmt.Errorf("Failed to Get VMSpec Info. with the name : %v", err)
cblogger.Error(newErr.Error())
LoggingError(callLogInfo, newErr)
return irs.VMInfo{}, newErr
}
// Use Key/Value info of the vmSpec Info.
var localDisk string
for _, keyInfo := range vmSpec.KeyValueList {
if strings.EqualFold(keyInfo.Key, "LocalDiskSize(GB)") {
localDisk = keyInfo.Value
break
}
}
if reqDiskSize != localDisk {
newErr := fmt.Errorf("Invalid RootDiskSize!! Specified VMSpec [%s] supports only [%s](GB)!!", vmReqInfo.VMSpecName, localDisk)
cblogger.Error(newErr.Error())
return irs.VMInfo{}, newErr
}
}
if nhnVMSpecType != "u2" && (reqDiskType != HDD && reqDiskType != SSD) {
newErr := fmt.Errorf("Invalid RootDiskType!! Must be 'default', 'General_HDD' or 'General_SSD'")
cblogger.Error(newErr.Error())
LoggingError(callLogInfo, newErr)
return irs.VMInfo{}, newErr
}
var reqDiskSizeInt int
// Set VM RootDiskSize
// When Volume Size is not specified.
imageOSPlatform, err := vmHandler.getOSPlatformWithImageID(vmReqInfo.ImageIID.SystemId)
if err != nil {
newErr := fmt.Errorf("Failed to Get Image OSPlatform Info : [%v]", err)
cblogger.Error(newErr.Error())
LoggingError(callLogInfo, newErr)
return irs.VMInfo{}, newErr
}
if imageOSPlatform == irs.WINDOWS {
if strings.EqualFold(reqDiskSize, "") || strings.EqualFold(reqDiskSize, "default") {
reqDiskSize = DefaultWinRootDiskSize
}
reqDiskSizeInt, err = strconv.Atoi(reqDiskSize)
if err != nil {
newErr := fmt.Errorf("Failed to Convert diskSize to int type. [%v]", err)
cblogger.Error(newErr.Error())
LoggingError(callLogInfo, newErr)
return irs.VMInfo{}, newErr
}
// Volume Size must be more than 50GB and less than 1000GB (for Windows OS)
if nhnVMSpecType != "u2" && (reqDiskSizeInt < 50 || reqDiskSizeInt > 1000) {
newErr := fmt.Errorf("Invalid RootDiskSize!! RootDiskSize range should be 50 to 1000(GB) for Windows OS!!")
cblogger.Error(newErr.Error())
LoggingError(callLogInfo, newErr)
return irs.VMInfo{}, newErr
}
} else {
if strings.EqualFold(reqDiskSize, "") || strings.EqualFold(reqDiskSize, "default") {
reqDiskSize = DefaultDiskSize
}
reqDiskSizeInt, err = strconv.Atoi(reqDiskSize)
if err != nil {
newErr := fmt.Errorf("Failed to Convert diskSize to int type. [%v]", err)
cblogger.Error(newErr.Error())
LoggingError(callLogInfo, newErr)
return irs.VMInfo{}, newErr
}
// Volume Size must be more than 20GB and less than 1000GB (for Linux OS)
if nhnVMSpecType != "u2" && (reqDiskSizeInt < 20 || reqDiskSizeInt > 1000) {
newErr := fmt.Errorf("Invalid RootDiskSize!! RootDiskSize range should be 20 to 1000(GB) for Linux OS!!")
cblogger.Error(newErr.Error())
LoggingError(callLogInfo, newErr)
return irs.VMInfo{}, newErr
}
}
start := call.Start()
createOpts.CreateOptsBuilder = serverCreateOpts
var newNhnVM *servers.Server
if strings.EqualFold(nhnVMSpecType, "u2") { // Only HDD and Default RootDiskSize according to the VMSpec
newNhnVM, err = servers.Create(vmHandler.VMClient, createOpts).Extract()
if err != nil {
newErr := fmt.Errorf("Failed to Create a VM with the Local Disk!! [%v]", err)
cblogger.Error(newErr.Error())
LoggingError(callLogInfo, newErr)
return irs.VMInfo{}, newErr
}
} else {
blockDeviceSet := []bootfromvolume.BlockDevice{
{
UUID: vmReqInfo.ImageIID.SystemId,
SourceType: bootfromvolume.SourceImage,
// Note) In case of 'MyImage', SourceType is 'SourceImage', too. Not 'bootfromvolume.SourceSnapshot'
VolumeType: reqDiskType,
VolumeSize: reqDiskSizeInt,
DestinationType: bootfromvolume.DestinationVolume, // Destination_type must be 'Volume'. Not 'bootfromvolume.DestinationLocal' when Not u2 type.
DeleteOnTermination: true,
},
}
bootOpts := bootfromvolume.CreateOptsExt{
CreateOptsBuilder: createOpts,
BlockDevice: blockDeviceSet,
}
newNhnVM, err = bootfromvolume.Create(vmHandler.VMClient, bootOpts).Extract()
if err != nil {
newErr := fmt.Errorf("Failed to Create a VM with the Block Storage Volume!! [%v]", err)
cblogger.Error(newErr.Error())
LoggingError(callLogInfo, newErr)
return irs.VMInfo{}, newErr
}
}
LoggingInfo(callLogInfo, start)
// Because there are functions that use NameID, input NameId too
newVMIID := irs.IID{NameId: vmReqInfo.IId.NameId, SystemId: newNhnVM.ID}
// Wait for created VM info to be inquired
curStatus, errStatus := vmHandler.waitToGetVMInfo(newVMIID)
if errStatus != nil {
newErr := fmt.Errorf("Failed to Wait to Get VM Info!! [%v]", errStatus)
cblogger.Error(newErr.Error())
LoggingError(callLogInfo, newErr)
return irs.VMInfo{}, newErr
}
cblogger.Infof("==> VM status of [%s] : [%s]", newVMIID.NameId, curStatus)
// Set Disk Attachment Info
diskHandler := NhnCloudDiskHandler{
RegionInfo: vmHandler.RegionInfo,
VMClient: vmHandler.VMClient,
VolumeClient: vmHandler.VolumeClient,
}
if len(vmReqInfo.DataDiskIIDs) != 0 {
for _, DataDiskIID := range vmReqInfo.DataDiskIIDs {
_, err := diskHandler.AttachDisk(DataDiskIID, newVMIID)
if err != nil {
newErr := fmt.Errorf("Failed to Attach the Disk Volume to the VM!! [%v]", err)
cblogger.Error(newErr.Error())
LoggingError(callLogInfo, newErr)
return irs.VMInfo{}, newErr
}
cblogger.Infof("# Disk [%s] Attached Successfully!!", DataDiskIID.SystemId)
}
}
// To Check VM Deployment Status
nhnVM, getErr := servers.Get(vmHandler.VMClient, newNhnVM.ID).Extract()
if err != nil {
newErr := fmt.Errorf("Failed to Get VMInfo : [%v]", getErr)
cblogger.Error(newErr.Error())
LoggingError(callLogInfo, newErr)
return irs.VMInfo{}, newErr
}
vmInfo := irs.VMInfo{}
if strings.EqualFold(nhnVM.Status, "active") {
// Associate Public IP to the VM
if ok, err := vmHandler.associatePublicIP(nhnVM.ID); !ok {
newErr := fmt.Errorf("Failed to Start VM. Failed to Associate PublicIP : %v", err)
cblogger.Error(newErr.Error())
LoggingError(callLogInfo, newErr)
return irs.VMInfo{}, newErr
}
// Get Final VM info
nhnVM, err := servers.Get(vmHandler.VMClient, nhnVM.ID).Extract()
if err != nil {
newErr := fmt.Errorf("Failed to Get New VM Info. %s", err)
cblogger.Error(newErr.Error())
LoggingError(callLogInfo, newErr)
return irs.VMInfo{}, newErr
}
var mappingErr error
vmInfo, mappingErr = vmHandler.mappingVMInfo(*nhnVM)
if mappingErr != nil {
newErr := fmt.Errorf("Failed to Map New VM Info. %s", mappingErr)
cblogger.Error(newErr.Error())
LoggingError(callLogInfo, newErr)
return irs.VMInfo{}, newErr
}
}
return vmInfo, nil
}
func (vmHandler *NhnCloudVMHandler) SuspendVM(vmIID irs.IID) (irs.VMStatus, error) {
cblogger.Info("NHN Cloud Driver: called SuspendVM()")
callLogInfo := getCallLogScheme(vmHandler.RegionInfo.Region, call.VM, vmIID.SystemId, "SuspendVM()")
if strings.EqualFold(vmIID.SystemId, "") {
newErr := fmt.Errorf("Invalid VM SystemId!!")
cblogger.Error(newErr.Error())
LoggingError(callLogInfo, newErr)
return irs.Failed, newErr
}
var resultStatus string
cblogger.Info("Start Get VM Status...")
vmStatus, err := vmHandler.GetVMStatus(vmIID)
if err != nil {
cblogger.Errorf("[%s] Failed to Get the VM Status of VM : ", vmIID.SystemId)
cblogger.Error(err)
LoggingError(callLogInfo, err)
return irs.VMStatus("Failed to Get the VM Status of VM. "), err
} else {
cblogger.Infof("Succeeded in Getting the VM Status of [%s] : [%s]", vmIID.SystemId, vmStatus)
}
if strings.EqualFold(string(vmStatus), "Suspended") {
resultStatus = "The VM has already been Suspended."
cblogger.Error(resultStatus)
return irs.VMStatus("Failed. " + resultStatus), err
} else if strings.EqualFold(string(vmStatus), "Rebooting") {
resultStatus = "The VM is in the process of Rebooting."
cblogger.Error(resultStatus)
return irs.VMStatus("Failed. " + resultStatus), err
} else if strings.EqualFold(string(vmStatus), "Deleted") {
resultStatus = "The VM has been Deleted."
cblogger.Error(resultStatus)
return irs.VMStatus("Failed. " + resultStatus), err
} else if strings.EqualFold(string(vmStatus), "Creating") {
resultStatus = "The VM is in the process of Creating."
cblogger.Error(resultStatus)
return irs.VMStatus("Failed. " + resultStatus), err
} else if strings.EqualFold(string(vmStatus), "Terminating") {
resultStatus = "The VM is in the process of Terminating."
cblogger.Error(resultStatus)
return irs.VMStatus("Failed. " + resultStatus), err
} else {
start := call.Start()
err := startstop.Stop(vmHandler.VMClient, vmIID.SystemId).Err
if err != nil {
newErr := fmt.Errorf("Failed to Suspend the VM!! : [%v] ", err)
cblogger.Error(newErr.Error())
LoggingError(callLogInfo, newErr)
return irs.Failed, newErr
}
LoggingInfo(callLogInfo, start)
}
return irs.Suspending, nil
}
func (vmHandler *NhnCloudVMHandler) ResumeVM(vmIID irs.IID) (irs.VMStatus, error) {
cblogger.Info("NHN Cloud Driver: called ResumeVM()")
callLogInfo := getCallLogScheme(vmHandler.RegionInfo.Region, call.VM, vmIID.NameId, "ResumeVM()")
if strings.EqualFold(vmIID.SystemId, "") {
newErr := fmt.Errorf("Invalid VM SystemId!!")
cblogger.Error(newErr.Error())
LoggingError(callLogInfo, newErr)
return irs.Failed, newErr
}
var resultStatus string
cblogger.Info("Start Get VM Status...")
vmStatus, err := vmHandler.GetVMStatus(vmIID)
if err != nil {
cblogger.Errorf("Failed to Get the VM Status of : [%s]", vmIID.SystemId)
cblogger.Error(err)
LoggingError(callLogInfo, err)
return irs.VMStatus("Failed. "), err
} else {
cblogger.Infof("Succeeded in Getting the VM Status of [%s] : [%s]", vmIID.SystemId, vmStatus)
}
if strings.EqualFold(string(vmStatus), "Running") {
resultStatus = "The VM is Running. Cannot be Resumed!!"
cblogger.Error(resultStatus)
return irs.VMStatus("Failed. " + resultStatus), err
} else if strings.EqualFold(string(vmStatus), "Rebooting") {
resultStatus = "The VM is in the process of Rebooting. Cannot be Resumed"
cblogger.Error(resultStatus)
return irs.VMStatus("Failed. " + resultStatus), err
} else if strings.EqualFold(string(vmStatus), "Terminating") {
resultStatus = "The VM is already in the process of Terminating. Cannot be Resumed"
cblogger.Error(resultStatus)
return irs.VMStatus("Failed. " + resultStatus), err
} else if strings.EqualFold(string(vmStatus), "Deleted") {
resultStatus = "The VM has been Deleted. Cannot be Resumed"
cblogger.Error(resultStatus)
return irs.VMStatus("Failed. " + resultStatus), err
} else if strings.EqualFold(string(vmStatus), "Creating") {
resultStatus = "The VM is in the process of Creating. Cannot be Resumed"
cblogger.Error(resultStatus)
return irs.VMStatus("Failed. " + resultStatus), err
} else {
start := call.Start()
err := startstop.Start(vmHandler.VMClient, vmIID.SystemId).Err
if err != nil {
newErr := fmt.Errorf("Failed to Start the VM!! : [%v] ", err)
cblogger.Error(newErr.Error())
LoggingError(callLogInfo, newErr)
return irs.Failed, newErr
}
LoggingInfo(callLogInfo, start)
return irs.Resuming, nil
}
}
func (vmHandler *NhnCloudVMHandler) RebootVM(vmIID irs.IID) (irs.VMStatus, error) {
cblogger.Info("NHN Cloud Driver: called RebootVM()")
callLogInfo := getCallLogScheme(vmHandler.RegionInfo.Region, call.VM, vmIID.SystemId, "RebootVM()")
if strings.EqualFold(vmIID.SystemId, "") {
newErr := fmt.Errorf("Invalid VM SystemId!!")
cblogger.Error(newErr.Error())
LoggingError(callLogInfo, newErr)
return irs.Failed, newErr
}
cblogger.Info("Start Get VM Status...")
vmStatus, err := vmHandler.GetVMStatus(vmIID)
if err != nil {
cblogger.Errorf("[%s] Failed to Get the VM Status.", vmIID)
cblogger.Error(err)
LoggingError(callLogInfo, err)
return irs.VMStatus("Failed to Get the VM Status."), err
} else {
cblogger.Infof("Succeeded in Getting the VM Status of [%s] : [%s]", vmIID, vmStatus)
}
var resultStatus string
if strings.EqualFold(string(vmStatus), "Suspended") {
resultStatus = "The VM had been Suspended."
cblogger.Error(resultStatus)
return irs.VMStatus("Failed. " + resultStatus), err
} else if strings.EqualFold(string(vmStatus), "Rebooting") {
resultStatus = "The VM is already in the process of Rebooting."
cblogger.Error(resultStatus)
return irs.VMStatus("Failed. " + resultStatus), err
} else if strings.EqualFold(string(vmStatus), "Deleted") {
resultStatus = "The VM has been Deleted."
cblogger.Error(resultStatus)
return irs.VMStatus("Failed. " + resultStatus), err
} else if strings.EqualFold(string(vmStatus), "Booting") {
resultStatus = "The VM is in the process of Booting."
cblogger.Error(resultStatus)
return irs.VMStatus("Failed. " + resultStatus), err
} else if strings.EqualFold(string(vmStatus), "Creating") {
resultStatus = "The VM is in the process of Creating."
cblogger.Error(resultStatus)
return irs.VMStatus("Failed. " + resultStatus), err
} else if strings.EqualFold(string(vmStatus), "Terminating") {
resultStatus = "The VM is in the process of Terminating."
cblogger.Error(resultStatus)
return irs.VMStatus("Failed. " + resultStatus), err
} else {
start := call.Start()
rebootOpts := servers.RebootOpts{
Type: servers.SoftReboot,
}
err := servers.Reboot(vmHandler.VMClient, vmIID.SystemId, rebootOpts).ExtractErr()
if err != nil {
newErr := fmt.Errorf("Failed to Reboot the VM!! : [%v] ", err)
cblogger.Error(newErr.Error())
LoggingError(callLogInfo, newErr)
return irs.Failed, newErr
}
LoggingInfo(callLogInfo, start)
return irs.Rebooting, nil
}
}
func (vmHandler *NhnCloudVMHandler) TerminateVM(vmIID irs.IID) (irs.VMStatus, error) {
cblogger.Info("NHN Cloud Driver: called TerminateVM()")
callLogInfo := getCallLogScheme(vmHandler.RegionInfo.Region, call.VM, vmIID.SystemId, "TerminateVM()")
if strings.EqualFold(vmIID.SystemId, "") {
newErr := fmt.Errorf("Invalid VM SystemId!!")
cblogger.Error(newErr.Error())
LoggingError(callLogInfo, newErr)
return irs.Failed, newErr
}
server, err := vmHandler.GetVM(vmIID)
if err != nil {
cblogger.Error(err.Error())
LoggingError(callLogInfo, err)
return irs.Failed, err
}
allPages, err := floatingips.List(vmHandler.VMClient).AllPages()
if err != nil {
cblogger.Error(err.Error())
LoggingError(callLogInfo, err)
return irs.Failed, err
}
publicIPList, err := floatingips.ExtractFloatingIPs(allPages)
if err != nil {
cblogger.Error(err.Error())
LoggingError(callLogInfo, err)
return irs.Failed, err
}
var publicIPId string
for _, p := range publicIPList {
if strings.EqualFold(server.PublicIP, p.IP) {
publicIPId = p.ID
break
}
}
if publicIPId != "" {
err := floatingips.Delete(vmHandler.VMClient, publicIPId).ExtractErr()
if err != nil {
newErr := fmt.Errorf("Failed to Delete the Floating IP!! : [%v] ", err)
cblogger.Error(newErr.Error())
LoggingError(callLogInfo, newErr)
return irs.Failed, newErr
}
}
start := call.Start()
err = servers.Delete(vmHandler.VMClient, server.IId.SystemId).ExtractErr()
if err != nil {
newErr := fmt.Errorf("Failed to Terminate the VM!! : [%v] ", err)
cblogger.Error(newErr.Error())
LoggingError(callLogInfo, newErr)
return irs.Failed, newErr
}
LoggingInfo(callLogInfo, start)
return irs.Terminating, nil
}
func (vmHandler *NhnCloudVMHandler) ListVMStatus() ([]*irs.VMStatusInfo, error) {
cblogger.Info("NHN Cloud Driver: called ListVMStatus()")
callLogInfo := getCallLogScheme(vmHandler.RegionInfo.Region, call.VM, "ListVMStatus()", "ListVMStatus()")
start := call.Start()
allPages, err := servers.List(vmHandler.VMClient, nil).AllPages()
if err != nil {
cblogger.Error(err.Error())
LoggingError(callLogInfo, err)
return nil, err
}
LoggingInfo(callLogInfo, start)
servers, err := servers.ExtractServers(allPages)
if err != nil {
cblogger.Error(err.Error())
LoggingError(callLogInfo, err)
return nil, err
}
// Add to List
vmStatusList := make([]*irs.VMStatusInfo, len(servers))
for idx, s := range servers {
vmStatus := getVmStatus(s.Status)
vmStatusInfo := irs.VMStatusInfo{
IId: irs.IID{
NameId: s.Name,
SystemId: s.ID,
},
VmStatus: vmStatus,
}
vmStatusList[idx] = &vmStatusInfo
}
return vmStatusList, nil
}
func (vmHandler *NhnCloudVMHandler) GetVMStatus(vmIID irs.IID) (irs.VMStatus, error) {
cblogger.Info("NHN Cloud Driver: called GetVMStatus()")
callLogInfo := getCallLogScheme(vmHandler.RegionInfo.Region, call.VM, vmIID.SystemId, "GetVMStatus()")
if strings.EqualFold(vmIID.SystemId, "") {
newErr := fmt.Errorf("Invalid VM SystemId!!")
cblogger.Error(newErr.Error())
LoggingError(callLogInfo, newErr)
return irs.Failed, newErr
}
start := call.Start()
serverResult, err := servers.Get(vmHandler.VMClient, vmIID.SystemId).Extract()
if err != nil {
newErr := fmt.Errorf("Failed to Get the VM info.!! : [%v] ", err)
cblogger.Error(newErr.Error())
LoggingError(callLogInfo, newErr)
return irs.Failed, newErr
}
LoggingInfo(callLogInfo, start)
cblogger.Infof("# serverResult.Status of NHN Cloud : [%s]", serverResult.Status)
vmStatus := getVmStatus(serverResult.Status)
return vmStatus, nil
}
func (vmHandler *NhnCloudVMHandler) ListVM() ([]*irs.VMInfo, error) {
cblogger.Info("NHN Cloud Driver: called ListVM()")
callLogInfo := getCallLogScheme(vmHandler.RegionInfo.Region, call.VM, "ListVM()", "ListVM()")
start := call.Start()
listOpts := servers.ListOpts{
Limit: 100,
}
allPages, err := servers.List(vmHandler.VMClient, listOpts).AllPages()
if err != nil {
cblogger.Error(err.Error())
LoggingError(callLogInfo, err)
return nil, err
}
serverList, err := servers.ExtractServers(allPages)
if err != nil {
cblogger.Error(err.Error())
LoggingError(callLogInfo, err)
return nil, err
}
LoggingInfo(callLogInfo, start)
// Mapping VM info list
var vmInfoList []*irs.VMInfo
for _, server := range serverList {
vmInfo, err := vmHandler.mappingVMInfo(server)
if err != nil {
newErr := fmt.Errorf("Failed to Map New VM Info. %s", err)
cblogger.Error(newErr.Error())
LoggingError(callLogInfo, newErr)
return nil, newErr
}
vmInfoList = append(vmInfoList, &vmInfo)
}
return vmInfoList, nil
}
func (vmHandler *NhnCloudVMHandler) GetVM(vmIID irs.IID) (irs.VMInfo, error) {
cblogger.Info("NHN Cloud Driver: called GetVM()")
callLogInfo := getCallLogScheme(vmHandler.RegionInfo.Region, call.VM, vmIID.SystemId, "GetVM()")
if strings.EqualFold(vmIID.SystemId, "") {
newErr := fmt.Errorf("Invalid VM SystemId!!")
cblogger.Error(newErr.Error())
LoggingError(callLogInfo, newErr)
return irs.VMInfo{}, newErr
}
start := call.Start()
nhnVM, err := servers.Get(vmHandler.VMClient, vmIID.SystemId).Extract()
if err != nil {
newErr := fmt.Errorf("Failed to Get the VM info.!! : [%v] ", err)
cblogger.Error(newErr.Error())
LoggingError(callLogInfo, newErr)
return irs.VMInfo{}, newErr
}
LoggingInfo(callLogInfo, start)
if nhnVM != nil {
vmInfo, mappingErr := vmHandler.mappingVMInfo(*nhnVM)
if mappingErr != nil {
newErr := fmt.Errorf("Failed to Map New VM Info. %s", mappingErr)
cblogger.Error(newErr.Error())
LoggingError(callLogInfo, newErr)
return irs.VMInfo{}, newErr
}
return vmInfo, nil
}
return irs.VMInfo{}, nil
}
func (vmHandler *NhnCloudVMHandler) associatePublicIP(serverID string) (bool, error) {
cblogger.Info("NHN Cloud Driver: called associatePublicIP()")
callLogInfo := getCallLogScheme(vmHandler.RegionInfo.Region, call.VM, "associatePublicIP()", "associatePublicIP()")
if strings.EqualFold(serverID, "") {
newErr := fmt.Errorf("Invalid serverID!!")
cblogger.Error(newErr.Error())
return false, newErr
}
// Create PublicIP
extVPCName, _ := getPublicVPCInfo(vmHandler.NetworkClient, "NAME")
createOpts := floatingips.CreateOpts{
Pool: extVPCName,
}
publicIP, err := floatingips.Create(vmHandler.VMClient, createOpts).Extract()
if err != nil {
newErr := fmt.Errorf("Failed to Create Public IP!! : [%v] ", err)
cblogger.Error(newErr.Error())
LoggingError(callLogInfo, newErr)
return false, newErr
}
// Associate Floating IP to the VM
curRetryCnt := 0
maxRetryCnt := 120
for {
associateOpts := floatingips.AssociateOpts{
FloatingIP: publicIP.IP,
}
err = floatingips.AssociateInstance(vmHandler.VMClient, serverID, associateOpts).ExtractErr()
if err == nil {
break
} else {
newErr := fmt.Errorf("Failed to AssociateInstance the Public IP!! : [%v] ", err)
cblogger.Error(newErr.Error())
}
time.Sleep(1 * time.Second)
curRetryCnt++
if curRetryCnt > maxRetryCnt {
newErr := fmt.Errorf("Failed to Associate Floating IP to VM, Exceeded Maximum Retry Count %d", maxRetryCnt)
cblogger.Error(newErr.Error())
return false, newErr
}
}
return true, nil
}
func getVmStatus(vmStatus string) irs.VMStatus {
cblogger.Info("NHN Cloud Driver: called getVmStatus()")
var resultStatus string
switch strings.ToLower(vmStatus) {
case "build":
resultStatus = "Creating"
case "active":
resultStatus = "Running"
case "shutoff":
resultStatus = "Suspended"
case "paused":
resultStatus = "Suspended"
case "reboot":
resultStatus = "Rebooting"
case "hard_reboot":
resultStatus = "Rebooting"
case "deleted":
resultStatus = "Deleted"
case "error":
resultStatus = "Error"
default:
resultStatus = "Unknown"
}
return irs.VMStatus(resultStatus)
}
func (vmHandler *NhnCloudVMHandler) mappingVMInfo(server servers.Server) (irs.VMInfo, error) {
cblogger.Info("NHN Cloud Driver: called mappingVMInfo()")
// cblogger.Infof("\n\n### Server from NHN :")
// spew.Dump(server)
// cblogger.Infof("\n\n")
convertedTime, err := convertTimeToKTC(server.Created)
if err != nil {
newErr := fmt.Errorf("Failed to Get Converted Time. [%v]", err)
return irs.VMInfo{}, newErr
}
vmInfo := irs.VMInfo{
IId: irs.IID{
NameId: server.Name,
SystemId: server.ID,
},
Region: irs.RegionInfo{
Region: vmHandler.RegionInfo.Region,
Zone: vmHandler.RegionInfo.Zone,
},
KeyPairIId: irs.IID{
NameId: server.KeyName,
SystemId: server.KeyName,
},
// VMUserPasswd: "N/A",
NetworkInterface: server.HostID,
}
vmInfo.StartTime = convertedTime
// Image Info
imageId := server.Image["id"].(string)
nhnImage, err := comimages.Get(vmHandler.VMClient, imageId).Extract() // Caution!!) Wtih VMClient (Not Like ImageHandler)
if err != nil {
newErr := fmt.Errorf("Failed to Get the Image info from NHN Cloud!! : [%v] ", err)
cblogger.Error(newErr.Error())
return irs.VMInfo{}, newErr
} else if nhnImage != nil {
vmInfo.ImageIId.NameId = nhnImage.ID
vmInfo.ImageIId.SystemId = nhnImage.ID
}
// Flavor Info
var vRam string
var vCPU string
flavorId := server.Flavor["id"].(string)
nhnFlavor, err := flavors.Get(vmHandler.VMClient, flavorId).Extract()
if err != nil {
newErr := fmt.Errorf("Failed to Get the Flavor info from NHN Cloud!! : [%v] ", err)
cblogger.Error(newErr.Error())
return irs.VMInfo{}, newErr
} else if nhnFlavor != nil {
// spew.Dump(flavor)
vmInfo.VMSpecName = nhnFlavor.Name
if vmInfo.RootDiskSize == "" { // In case of u2 VMSpec type
vmInfo.RootDiskType = "General_HDD" // u2 type VMSpec only supports 'General_HHD'.
vmInfo.RootDiskSize = strconv.Itoa(nhnFlavor.Disk)
vmInfo.RootDeviceName = "/dev/vda"
}
if strconv.Itoa(nhnFlavor.VCPUs) != "" {
vCPU = strconv.Itoa(nhnFlavor.VCPUs)
}
if strconv.Itoa(nhnFlavor.RAM) != "" {
vRam = strconv.Itoa(nhnFlavor.RAM)