vm-reconfig-via-tag_318.go

func (c *vsClient) applyCfgs(ctx context.Context, moVM mo.VirtualMachine, mor types.ManagedObjectReference, cfgs []vmConfig) (*object.Task, error) {
	vm := object.NewVirtualMachine(c.govmomi.Client, mor)
	desiredSpec := generateDesiredSpec(cfgs, moVM)

	task, err := vm.Reconfigure(ctx, desiredSpec)
	if err != nil {
		return nil, err
	}

	if debug {
		log.Println("VM reconfigured with", desiredSpec)
	}

	return task, nil
}

func generateDesiredSpec(cfgs []vmConfig, moVM mo.VirtualMachine) types.VirtualMachineConfigSpec {
	var spec types.VirtualMachineConfigSpec

	for _, c := range cfgs {
		switch c.name {
		case "numCPU":
			spec.NumCPUs = int32(c.valInt)
		case "memoryMB":
			spec.MemoryMB = int64(c.valInt)
		case "numCoresPerSocket":
			spec.NumCoresPerSocket = int32(c.valInt)
		case "memoryHotAddEnabled":
			spec.MemoryHotAddEnabled = &c.valBool
		case "cpuHotRemoveEnabled":
			spec.CpuHotRemoveEnabled = &c.valBool
		case "cpuHotAddEnabled":
			spec.CpuHotAddEnabled = &c.valBool
		}
	}

	// Set ChangeVersion to guard against updates that have happened between when
	// configInfo is read and when it is applied.
	spec.ChangeVersion = moVM.Config.ChangeVersion

	return spec
}