func()

in controllers/manager/gatewayvmconfiguration_controller.go [739:778]

• 38 lines of code
• 11 McCabe index (conditional complexity)

func (r *GatewayVMConfigurationReconciler) reconcileLbBackendPool(
	lbBackendpoolID string,
	primaryNic *compute.VirtualMachineScaleSetNetworkConfiguration,
) (needUpdate bool, err error) {
	if primaryNic == nil {
		return false, fmt.Errorf("vmss(vm) primary network interface not found")
	}

	needBackendPool := false
	for _, ipConfig := range primaryNic.Properties.IPConfigurations {
		if strings.HasPrefix(to.Val(ipConfig.Name), consts.ManagedResourcePrefix) {
			needBackendPool = true
			break
		}
	}

	for _, ipConfig := range primaryNic.Properties.IPConfigurations {
		if ipConfig.Properties != nil && to.Val(ipConfig.Properties.Primary) {
			backendPools := ipConfig.Properties.LoadBalancerBackendAddressPools
			for i, backend := range backendPools {
				if strings.EqualFold(lbBackendpoolID, to.Val(backend.ID)) {
					if !needBackendPool {
						backendPools = append(backendPools[:i], backendPools[i+1:]...)
						ipConfig.Properties.LoadBalancerBackendAddressPools = backendPools
						return true, nil
					} else {
						return false, nil
					}
				}
			}
			if !needBackendPool {
				return false, nil
			}
			backendPools = append(backendPools, &compute.SubResource{ID: to.Ptr(lbBackendpoolID)})
			ipConfig.Properties.LoadBalancerBackendAddressPools = backendPools
			return true, nil
		}
	}
	return false, fmt.Errorf("vmss(vm) primary ipConfig not found")
}