/
VMHandler.go
522 lines (454 loc) · 14.8 KB
/
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 hyokyung.kim@innogrid.co.kr, 2019.07.
package resources
import (
"context"
"errors"
"fmt"
"github.com/Azure/azure-sdk-for-go/services/compute/mgmt/2018-06-01/compute"
"github.com/Azure/azure-sdk-for-go/services/network/mgmt/2018-04-01/network"
"github.com/Azure/go-autorest/autorest/to"
cblog "github.com/cloud-barista/cb-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"
"github.com/sirupsen/logrus"
"reflect"
"strings"
)
var cblogger *logrus.Logger
func init() {
// cblog is a global variable.
cblogger = cblog.GetLogger("CB-SPIDER")
}
type AzureVMHandler struct {
CredentialInfo idrv.CredentialInfo
Region idrv.RegionInfo
Ctx context.Context
Client *compute.VirtualMachinesClient
SubnetClient *network.SubnetsClient
NicClient *network.InterfacesClient
PublicIPClient *network.PublicIPAddressesClient
DiskClient *compute.DisksClient
}
func (vmHandler *AzureVMHandler) StartVM(vmReqInfo irs.VMReqInfo) (irs.VMInfo, error) {
// Check VM Exists
vm, err := vmHandler.Client.Get(vmHandler.Ctx, vmHandler.Region.ResourceGroup, vmReqInfo.VMName, compute.InstanceView)
if vm.ID != nil {
errMsg := fmt.Sprintf("VirtualMachine with name %s already exist", vmReqInfo.VMName)
createErr := errors.New(errMsg)
return irs.VMInfo{}, createErr
}
// Check login method (keypair, password)
if vmReqInfo.VMUserPasswd != "" && vmReqInfo.KeyPairName != "" {
createErr := errors.New("Specifiy one login method, Password or Keypair")
return irs.VMInfo{}, createErr
}
// (old) 리소스 Id 정보 매핑
//vNicId := GetVNicIdByName(vmHandler.CredentialInfo, vmHandler.Region, vmReqInfo.NetworkInterfaceId)
// VNic 생성
vNicId, err := CreateVNic(vmHandler, vmReqInfo)
if err != nil {
return irs.VMInfo{}, err
}
vmOpts := compute.VirtualMachine{
Location: &vmHandler.Region.Region,
VirtualMachineProperties: &compute.VirtualMachineProperties{
HardwareProfile: &compute.HardwareProfile{
VMSize: compute.VirtualMachineSizeTypes(vmReqInfo.VMSpecId),
},
OsProfile: &compute.OSProfile{
ComputerName: &vmReqInfo.VMName,
AdminUsername: to.StringPtr(CBVMUser),
},
NetworkProfile: &compute.NetworkProfile{
NetworkInterfaces: &[]compute.NetworkInterfaceReference{
{
//ID: &vmReqInfo.NetworkInterfaceId,
ID: vNicId,
NetworkInterfaceReferenceProperties: &compute.NetworkInterfaceReferenceProperties{
Primary: to.BoolPtr(true),
},
},
},
},
},
}
// Image 설정
if strings.Contains(vmReqInfo.ImageId, ":") {
imageArr := strings.Split(vmReqInfo.ImageId, ":")
// URN 기반 퍼블릭 이미지 설정
vmOpts.StorageProfile = &compute.StorageProfile{
ImageReference: &compute.ImageReference{
Publisher: &imageArr[0],
Offer: &imageArr[1],
Sku: &imageArr[2],
Version: &imageArr[3],
},
}
} else {
// 사용자 프라이빗 이미지 설정
vmOpts.StorageProfile = &compute.StorageProfile{
ImageReference: &compute.ImageReference{
ID: &vmReqInfo.ImageId,
},
}
}
// KeyPair 설정
if vmReqInfo.KeyPairName != "" {
publicKey, err := GetPublicKey(vmHandler.CredentialInfo, vmReqInfo.KeyPairName)
if err != nil {
cblogger.Error(err)
return irs.VMInfo{}, err
}
vmOpts.OsProfile.LinuxConfiguration = &compute.LinuxConfiguration{
SSH: &compute.SSHConfiguration{
PublicKeys: &[]compute.SSHPublicKey{
{
Path: to.StringPtr(fmt.Sprintf("/home/%s/.ssh/authorized_keys", CBVMUser)),
KeyData: to.StringPtr(publicKey),
},
},
},
}
} else {
vmOpts.OsProfile.AdminPassword = to.StringPtr(vmReqInfo.VMUserPasswd)
}
// VM 정보 태깅 설정
/*vmOpts.Tags = map[string]*string{
"vmName": to.StringPtr(vmReqInfo.VMName),
}*/
if vmReqInfo.KeyPairName != "" {
vmOpts.Tags = map[string]*string{
"keypair": to.StringPtr(vmReqInfo.KeyPairName),
}
}
future, err := vmHandler.Client.CreateOrUpdate(vmHandler.Ctx, vmHandler.Region.ResourceGroup, vmReqInfo.VMName, vmOpts)
if err != nil {
cblogger.Error(err)
return irs.VMInfo{}, err
}
err = future.WaitForCompletionRef(vmHandler.Ctx, vmHandler.Client.Client)
if err != nil {
cblogger.Error(err)
return irs.VMInfo{}, err
}
vm, err = vmHandler.Client.Get(vmHandler.Ctx, vmHandler.Region.ResourceGroup, vmReqInfo.VMName, compute.InstanceView)
if err != nil {
cblogger.Error(err)
}
vmInfo := vmHandler.mappingServerInfo(vm)
return vmInfo, nil
}
func (vmHandler *AzureVMHandler) SuspendVM(vmID string) (irs.VMStatus, error) {
future, err := vmHandler.Client.PowerOff(vmHandler.Ctx, vmHandler.Region.ResourceGroup, vmID)
if err != nil {
cblogger.Error(err)
return irs.Failed, err
}
err = future.WaitForCompletionRef(vmHandler.Ctx, vmHandler.Client.Client)
if err != nil {
cblogger.Error(err)
return irs.Failed, err
}
// Get VM Status
vmStatus, err := vmHandler.GetVMStatus(vmID)
if err != nil {
cblogger.Error(err)
return irs.Failed, err
}
return vmStatus, nil
}
func (vmHandler *AzureVMHandler) ResumeVM(vmID string) (irs.VMStatus, error) {
future, err := vmHandler.Client.Start(vmHandler.Ctx, vmHandler.Region.ResourceGroup, vmID)
if err != nil {
cblogger.Error(err)
return irs.Failed, err
}
err = future.WaitForCompletionRef(vmHandler.Ctx, vmHandler.Client.Client)
if err != nil {
cblogger.Error(err)
return irs.Failed, err
}
// 자체생성상태 반환
return irs.Resuming, nil
}
func (vmHandler *AzureVMHandler) RebootVM(vmID string) (irs.VMStatus, error) {
future, err := vmHandler.Client.Restart(vmHandler.Ctx, vmHandler.Region.ResourceGroup, vmID)
if err != nil {
cblogger.Error(err)
return irs.Failed, err
}
err = future.WaitForCompletionRef(vmHandler.Ctx, vmHandler.Client.Client)
if err != nil {
cblogger.Error(err)
return irs.Failed, err
}
// 자체생성상태 반환
return irs.Rebooting, nil
}
func (vmHandler *AzureVMHandler) TerminateVM(vmID string) (irs.VMStatus, error) {
// VM 삭제 시 OS Disk도 함께 삭제 처리
// VM OSDisk 이름 가져오기
vmInfo, err := vmHandler.GetVM(vmID)
if err != nil {
return irs.Failed, err
}
osDiskName := vmInfo.VMBootDisk
// VM 삭제
future, err := vmHandler.Client.Delete(vmHandler.Ctx, vmHandler.Region.ResourceGroup, vmID)
if err != nil {
cblogger.Error(err)
return irs.Failed, err
}
err = future.WaitForCompletionRef(vmHandler.Ctx, vmHandler.Client.Client)
if err != nil {
cblogger.Error(err)
return irs.Failed, err
}
// vNic 삭제
nicFuture, err := vmHandler.NicClient.Delete(vmHandler.Ctx, vmHandler.Region.ResourceGroup, vmInfo.Name+"-NIC")
if err != nil {
cblogger.Error(err)
return irs.Failed, err
}
err = nicFuture.WaitForCompletionRef(vmHandler.Ctx, vmHandler.Client.Client)
if err != nil {
cblogger.Error(err)
return irs.Failed, err
}
// OS Disk 삭제
diskFuture, err := vmHandler.DiskClient.Delete(vmHandler.Ctx, vmHandler.Region.ResourceGroup, osDiskName)
if err != nil {
cblogger.Error(err)
return irs.Failed, err
}
err = diskFuture.WaitForCompletionRef(vmHandler.Ctx, vmHandler.Client.Client)
if err != nil {
cblogger.Error(err)
return irs.Failed, err
}
// 자체생성상태 반환
return irs.NotExist, nil
}
func (vmHandler *AzureVMHandler) ListVMStatus() ([]*irs.VMStatusInfo, error) {
serverList, err := vmHandler.Client.List(vmHandler.Ctx, vmHandler.Region.ResourceGroup)
if err != nil {
cblogger.Error(err)
return []*irs.VMStatusInfo{}, err
}
var vmStatusList []*irs.VMStatusInfo
for _, s := range serverList.Values() {
if s.InstanceView != nil {
statusStr := getVmStatus(*s.InstanceView)
status := irs.VMStatus(statusStr)
vmStatusInfo := irs.VMStatusInfo{
VmId: *s.ID,
VmStatus: status,
}
vmStatusList = append(vmStatusList, &vmStatusInfo)
} else {
vmIdArr := strings.Split(*s.ID, "/")
vmName := vmIdArr[8]
status, _ := vmHandler.GetVMStatus(vmName)
vmStatusInfo := irs.VMStatusInfo{
VmId: *s.ID,
VmStatus: status,
}
vmStatusList = append(vmStatusList, &vmStatusInfo)
}
}
return vmStatusList, nil
}
func (vmHandler *AzureVMHandler) GetVMStatus(vmID string) (irs.VMStatus, error) {
instanceView, err := vmHandler.Client.InstanceView(vmHandler.Ctx, vmHandler.Region.ResourceGroup, vmID)
if err != nil {
cblogger.Error(err)
return irs.Failed, err
}
// Get powerState, provisioningState
vmStatus := getVmStatus(instanceView)
return irs.VMStatus(vmStatus), nil
}
func (vmHandler *AzureVMHandler) ListVM() ([]*irs.VMInfo, error) {
//serverList, err := vmHandler.Client.ListAll(vmHandler.Ctx)
serverList, err := vmHandler.Client.List(vmHandler.Ctx, vmHandler.Region.ResourceGroup)
if err != nil {
cblogger.Error(err)
return []*irs.VMInfo{}, err
}
var vmList []*irs.VMInfo
for _, server := range serverList.Values() {
vmInfo := vmHandler.mappingServerInfo(server)
vmList = append(vmList, &vmInfo)
}
return vmList, nil
}
func (vmHandler *AzureVMHandler) GetVM(vmID string) (irs.VMInfo, error) {
vm, err := vmHandler.Client.Get(vmHandler.Ctx, vmHandler.Region.ResourceGroup, vmID, compute.InstanceView)
if err != nil {
return irs.VMInfo{}, err
}
vmInfo := vmHandler.mappingServerInfo(vm)
return vmInfo, nil
}
func getVmStatus(instanceView compute.VirtualMachineInstanceView) irs.VMStatus {
var powerState, provisioningState string
for _, stat := range *instanceView.Statuses {
statArr := strings.Split(*stat.Code, "/")
if statArr[0] == "PowerState" {
powerState = strings.ToLower(statArr[1])
} else if statArr[0] == "ProvisioningState" {
provisioningState = strings.ToLower(statArr[1])
}
}
if strings.EqualFold(provisioningState, "failed") {
return irs.Failed
}
// Set VM Status Info
var resultStatus string
switch powerState {
case "starting":
resultStatus = "Creating"
case "running":
resultStatus = "Running"
case "stopping":
resultStatus = "Suspending"
case "stopped":
resultStatus = "Suspended"
case "deleting":
resultStatus = "Terminating"
default:
resultStatus = "Failed"
}
return irs.VMStatus(resultStatus)
}
func (vmHandler *AzureVMHandler) mappingServerInfo(server compute.VirtualMachine) irs.VMInfo {
// Get Default VM Info
vmInfo := irs.VMInfo{
Name: *server.Name,
Id: *server.ID,
Region: irs.RegionInfo{
Region: *server.Location,
},
VMSpecId: string(server.VirtualMachineProperties.HardwareProfile.VMSize),
}
// Set VM Zone
if server.Zones != nil {
vmInfo.Region.Zone = (*server.Zones)[0]
}
// Set VM Image Info
if reflect.ValueOf(server.StorageProfile.ImageReference.ID).IsNil() {
imageRef := server.VirtualMachineProperties.StorageProfile.ImageReference
vmInfo.ImageId = *imageRef.Publisher + ":" + *imageRef.Offer + ":" + *imageRef.Sku + ":" + *imageRef.Version
} else {
vmInfo.ImageId = *server.VirtualMachineProperties.StorageProfile.ImageReference.ID
}
// Set VNic Info
niList := *server.NetworkProfile.NetworkInterfaces
for _, ni := range niList {
if ni.ID != nil {
vmInfo.NetworkInterfaceId = *ni.ID
}
}
// Get VNic
nicIdArr := strings.Split(vmInfo.NetworkInterfaceId, "/")
nicName := nicIdArr[len(nicIdArr)-1]
vNic, _ := vmHandler.NicClient.Get(vmHandler.Ctx, vmHandler.Region.ResourceGroup, nicName, "")
vmInfo.SecurityGroupIds = []string{*vNic.NetworkSecurityGroup.ID}
// Get PrivateIP, PublicIpId
for _, ip := range *vNic.IPConfigurations {
if *ip.Primary {
// PrivateIP 정보 설정
vmInfo.PrivateIP = *ip.PrivateIPAddress
// PublicIP 정보 조회 및 설정
if ip.PublicIPAddress != nil {
publicIPId := *ip.PublicIPAddress.ID
publicIPIdArr := strings.Split(publicIPId, "/")
publicIPName := publicIPIdArr[len(publicIPIdArr)-1]
publicIP, _ := vmHandler.PublicIPClient.Get(vmHandler.Ctx, vmHandler.Region.ResourceGroup, publicIPName, "")
vmInfo.PublicIP = *publicIP.IPAddress
}
// Subnet 정보 설정
vmInfo.VirtualNetworkId = *ip.InterfaceIPConfigurationPropertiesFormat.Subnet.ID
}
}
// Set GuestUser Id/Pwd
if server.VirtualMachineProperties.OsProfile.AdminUsername != nil {
vmInfo.VMUserId = *server.VirtualMachineProperties.OsProfile.AdminUsername
}
if server.VirtualMachineProperties.OsProfile.AdminPassword != nil {
vmInfo.VMUserPasswd = *server.VirtualMachineProperties.OsProfile.AdminPassword
}
// Set BootDisk
if server.VirtualMachineProperties.StorageProfile.OsDisk.Name != nil {
vmInfo.VMBootDisk = *server.VirtualMachineProperties.StorageProfile.OsDisk.Name
}
// Get Keypair
tagList := server.Tags
for key, val := range tagList {
if key == "keypair" {
vmInfo.KeyPairName = *val
}
}
return vmInfo
}
// VM 생성 시 VNic 자동 생성
func CreateVNic(vmHandler *AzureVMHandler, vmReqInfo irs.VMReqInfo) (*string, error) {
vNicName := vmReqInfo.VMName + "-NIC"
// Check VNic Exists
vNic, _ := vmHandler.NicClient.Get(vmHandler.Ctx, vmHandler.Region.ResourceGroup, vNicName, "")
if vNic.ID != nil {
errMsg := fmt.Sprintf("Virtual Network Interface with name %s already exist", vNicName)
createErr := errors.New(errMsg)
return nil, createErr
}
// 리소스 Id 정보 매핑
secGroupId := GetSecGroupIdByName(vmHandler.CredentialInfo, vmHandler.Region, vmReqInfo.SecurityGroupIds[0])
publicIPId := GetPublicIPIdByName(vmHandler.CredentialInfo, vmHandler.Region, vmReqInfo.PublicIPId)
subnet, err := vmHandler.SubnetClient.Get(vmHandler.Ctx, vmHandler.Region.ResourceGroup, CBVirutalNetworkName, vmReqInfo.VirtualNetworkId, "")
var ipConfigArr []network.InterfaceIPConfiguration
ipConfig := network.InterfaceIPConfiguration{
Name: to.StringPtr("ipConfig1"),
InterfaceIPConfigurationPropertiesFormat: &network.InterfaceIPConfigurationPropertiesFormat{
Subnet: &subnet,
PrivateIPAllocationMethod: "Dynamic",
},
}
if publicIPId != "" {
ipConfig.PublicIPAddress = &network.PublicIPAddress{
ID: to.StringPtr(publicIPId),
}
}
ipConfigArr = append(ipConfigArr, ipConfig)
createOpts := network.Interface{
InterfacePropertiesFormat: &network.InterfacePropertiesFormat{
IPConfigurations: &ipConfigArr,
},
Location: &vmHandler.Region.Region,
}
if len(vmReqInfo.SecurityGroupIds) != 0 {
createOpts.NetworkSecurityGroup = &network.SecurityGroup{
ID: to.StringPtr(secGroupId),
}
}
future, err := vmHandler.NicClient.CreateOrUpdate(vmHandler.Ctx, vmHandler.Region.ResourceGroup, vNicName, createOpts)
if err != nil {
return nil, err
}
err = future.WaitForCompletionRef(vmHandler.Ctx, vmHandler.NicClient.Client)
if err != nil {
return nil, err
}
vNic, err = vmHandler.NicClient.Get(vmHandler.Ctx, vmHandler.Region.ResourceGroup, vNicName, "")
if err != nil {
return nil, err
}
return vNic.ID, nil
}