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compute.go
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compute.go
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// Copyright (c) Microsoft Corporation. All rights reserved.
// Licensed under the MIT license.
package azurestack
import (
"context"
"fmt"
"strings"
"github.com/Azure/aks-engine/pkg/armhelpers"
"github.com/Azure/azure-sdk-for-go/services/compute/mgmt/2017-03-30/compute"
azcompute "github.com/Azure/azure-sdk-for-go/services/compute/mgmt/2018-10-01/compute"
log "github.com/sirupsen/logrus"
)
// ListVirtualMachines returns (the first page of) the machines in the specified resource group.
func (az *AzureClient) ListVirtualMachines(ctx context.Context, resourceGroup string) (armhelpers.VirtualMachineListResultPage, error) {
page, err := az.virtualMachinesClient.List(ctx, resourceGroup)
c := VirtualMachineListResultPageClient{
vmlrp: page,
err: err,
}
return &c, err
}
// GetVirtualMachine returns the specified machine in the specified resource group.
func (az *AzureClient) GetVirtualMachine(ctx context.Context, resourceGroup, name string) (azcompute.VirtualMachine, error) {
vm, err := az.virtualMachinesClient.Get(ctx, resourceGroup, name, "")
azVM := azcompute.VirtualMachine{}
if err != nil {
return azVM, fmt.Errorf("fail to get virtual machine, %s", err)
}
err = DeepCopy(&azVM, vm)
if err != nil {
return azVM, fmt.Errorf("fail to convert virtual machine, %s", err)
}
return azVM, err
}
// RestartVirtualMachine restarts the specified virtual machine.
func (az *AzureClient) RestartVirtualMachine(ctx context.Context, resourceGroup, name string) error {
future, err := az.virtualMachinesClient.Restart(ctx, resourceGroup, name)
if err != nil {
return err
}
if err = future.WaitForCompletionRef(ctx, az.virtualMachinesClient.Client); err != nil {
return err
}
_, err = future.Result(az.virtualMachinesClient)
return err
}
// DeleteVirtualMachine handles deletion of a CRP/VMAS VM (aka, not a VMSS VM).
func (az *AzureClient) DeleteVirtualMachine(ctx context.Context, resourceGroup, name string) error {
future, err := az.virtualMachinesClient.Delete(ctx, resourceGroup, name)
if err != nil {
return err
}
if err = future.WaitForCompletionRef(ctx, az.virtualMachinesClient.Client); err != nil {
return err
}
_, err = future.Result(az.virtualMachinesClient)
return err
}
// ListVirtualMachineScaleSets returns (the first page of) the VMSS resources in the specified resource group.
func (az *AzureClient) ListVirtualMachineScaleSets(ctx context.Context, resourceGroup string) (armhelpers.VirtualMachineScaleSetListResultPage, error) {
page, err := az.virtualMachineScaleSetsClient.List(ctx, resourceGroup)
c := VirtualMachineScaleSetListResultPageClient{
vmsslrp: page,
err: err,
}
return &c, err
}
// RestartVirtualMachineScaleSets restarts the specified VMSS
func (az *AzureClient) RestartVirtualMachineScaleSets(ctx context.Context, resourceGroup string, virtualMachineScaleSet string, instanceIDs *azcompute.VirtualMachineScaleSetVMInstanceIDs) error {
ids := compute.VirtualMachineScaleSetVMInstanceIDs{}
err := DeepCopy(&ids, instanceIDs)
if err != nil {
return fmt.Errorf("fail to convert instance IDs, %v", err)
}
future, err := az.virtualMachineScaleSetsClient.Restart(ctx, resourceGroup, virtualMachineScaleSet, &ids)
if err != nil {
return err
}
if err = future.WaitForCompletionRef(ctx, az.virtualMachineScaleSetsClient.Client); err != nil {
return err
}
_, err = future.Result(az.virtualMachineScaleSetsClient)
return err
}
// ListVirtualMachineScaleSetVMs returns the list of VMs per VMSS
func (az *AzureClient) ListVirtualMachineScaleSetVMs(ctx context.Context, resourceGroup, virtualMachineScaleSet string) (armhelpers.VirtualMachineScaleSetVMListResultPage, error) {
page, err := az.virtualMachineScaleSetVMsClient.List(ctx, resourceGroup, virtualMachineScaleSet, "", "", "")
c := VirtualMachineScaleSetVMListResultPageClient{
vmssvlrp: page,
err: err,
}
return &c, err
}
// DeleteVirtualMachineScaleSetVM deletes a VM in a VMSS
func (az *AzureClient) DeleteVirtualMachineScaleSetVM(ctx context.Context, resourceGroup, virtualMachineScaleSet, instanceID string) error {
future, err := az.virtualMachineScaleSetVMsClient.Delete(ctx, resourceGroup, virtualMachineScaleSet, instanceID)
if err != nil {
return err
}
if err = future.WaitForCompletionRef(ctx, az.virtualMachineScaleSetVMsClient.Client); err != nil {
return err
}
_, err = future.Result(az.virtualMachineScaleSetVMsClient)
return err
}
// DeleteVirtualMachineScaleSet deletes an entire VM Scale Set.
func (az *AzureClient) DeleteVirtualMachineScaleSet(ctx context.Context, resourceGroup, vmssName string) error {
future, err := az.virtualMachineScaleSetsClient.Delete(ctx, resourceGroup, vmssName)
if err != nil {
return err
}
if err = future.WaitForCompletionRef(ctx, az.virtualMachineScaleSetsClient.Client); err != nil {
return err
}
_, err = future.Result(az.virtualMachineScaleSetsClient)
return err
}
// SetVirtualMachineScaleSetCapacity sets the VMSS capacity
func (az *AzureClient) SetVirtualMachineScaleSetCapacity(ctx context.Context, resourceGroup, virtualMachineScaleSet string, sku azcompute.Sku, location string) error {
s := compute.Sku{}
err := DeepCopy(&s, sku)
if err != nil {
return fmt.Errorf("fail to convert SKU, %v", err)
}
future, err := az.virtualMachineScaleSetsClient.CreateOrUpdate(
ctx,
resourceGroup,
virtualMachineScaleSet,
compute.VirtualMachineScaleSet{
Location: &location,
Sku: &s,
})
if err != nil {
return err
}
if err = future.WaitForCompletionRef(ctx, az.virtualMachineScaleSetsClient.Client); err != nil {
return err
}
_, err = future.Result(az.virtualMachineScaleSetsClient)
return err
}
// GetAvailabilitySet retrieves the specified VM availability set.
func (az *AzureClient) GetAvailabilitySet(ctx context.Context, resourceGroup, availabilitySetName string) (azcompute.AvailabilitySet, error) {
azVMAS := azcompute.AvailabilitySet{}
vmas, err := az.availabilitySetsClient.Get(ctx, resourceGroup, availabilitySetName)
if err != nil {
log.Printf("fail to get availability set, %v", err)
return azVMAS, err
}
if err = DeepCopy(&azVMAS, vmas); err != nil {
log.Printf("fail to convert availability set, %v", err)
return azVMAS, err
}
return azVMAS, nil
}
// GetAvailabilitySetFaultDomainCount returns the first existing fault domain count it finds from the IDs provided.
func (az *AzureClient) GetAvailabilitySetFaultDomainCount(ctx context.Context, resourceGroup string, vmasIDs []string) (int, error) {
var count int
for _, id := range vmasIDs {
// extract the last element of the id for VMAS name
ss := strings.Split(id, "/")
name := ss[len(ss)-1]
vmas, err := az.GetAvailabilitySet(ctx, resourceGroup, name)
if err != nil {
return 0, err
}
// Assume that all VMASes in the cluster share a value for platformFaultDomainCount
count = int(*vmas.AvailabilitySetProperties.PlatformFaultDomainCount)
break
}
return count, nil
}