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naming, comment, typo correction

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This commit is contained in:
Jingtao Ren 2017-11-15 17:34:09 -08:00
parent 408f739618
commit 69abfa676d
4 changed files with 44 additions and 54 deletions
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44
pkg/cloudprovider/providers/azure/azure_backoff.go
View File

@ -26,10 +26,10 @@ import (
"k8s.io/apimachinery/pkg/types"
)
// getorCreateRequestBackoff returns a new Backoff object steps = 1
// getOrCreateRequestBackoff returns a new Backoff object steps = 1
// This is to make sure that the requested command executes
// at least once
func (az *Cloud) getorCreateRequestBackoff() (resourceRequestBackoff wait.Backoff) {
func (az *Cloud) getOrCreateRequestBackoff() (resourceRequestBackoff wait.Backoff) {
if az.CloudProviderBackoff {
return az.resourceRequestBackoff
}
@ -44,7 +44,7 @@ func (az *Cloud) getorCreateRequestBackoff() (resourceRequestBackoff wait.Backof
func (az *Cloud) GetVirtualMachineWithRetry(name types.NodeName) (compute.VirtualMachine, bool, error) {
var machine compute.VirtualMachine
var exists bool
err := wait.ExponentialBackoff(az.getorCreateRequestBackoff(), func() (bool, error) {
err := wait.ExponentialBackoff(az.getOrCreateRequestBackoff(), func() (bool, error) {
var retryErr error
machine, exists, retryErr = az.getVirtualMachine(name)
if retryErr != nil {
@ -60,7 +60,7 @@ func (az *Cloud) GetVirtualMachineWithRetry(name types.NodeName) (compute.Virtua
// VirtualMachineClientGetWithRetry invokes az.VirtualMachinesClient.Get with exponential backoff retry
func (az *Cloud) VirtualMachineClientGetWithRetry(resourceGroup, vmName string, types compute.InstanceViewTypes) (compute.VirtualMachine, error) {
var machine compute.VirtualMachine
err := wait.ExponentialBackoff(az.getorCreateRequestBackoff(), func() (bool, error) {
err := wait.ExponentialBackoff(az.getOrCreateRequestBackoff(), func() (bool, error) {
var retryErr error
az.operationPollRateLimiter.Accept()
machine, retryErr = az.VirtualMachinesClient.Get(resourceGroup, vmName, types)
@ -78,7 +78,7 @@ func (az *Cloud) VirtualMachineClientGetWithRetry(resourceGroup, vmName string,
func (az *Cloud) VirtualMachineClientListWithRetry() ([]compute.VirtualMachine, error) {
allNodes := []compute.VirtualMachine{}
var result compute.VirtualMachineListResult
err := wait.ExponentialBackoff(az.getorCreateRequestBackoff(), func() (bool, error) {
err := wait.ExponentialBackoff(az.getOrCreateRequestBackoff(), func() (bool, error) {
var retryErr error
az.operationPollRateLimiter.Accept()
glog.V(10).Infof("VirtualMachinesClient.List(%v): start", az.ResourceGroup)
@ -103,7 +103,7 @@ func (az *Cloud) VirtualMachineClientListWithRetry() ([]compute.VirtualMachine,
appendResults = false
// follow the next link to get all the vms for resource group
if result.NextLink != nil {
err := wait.ExponentialBackoff(az.getorCreateRequestBackoff(), func() (bool, error) {
err := wait.ExponentialBackoff(az.getOrCreateRequestBackoff(), func() (bool, error) {
var retryErr error
az.operationPollRateLimiter.Accept()
glog.V(10).Infof("VirtualMachinesClient.ListNextResults(%v): start", az.ResourceGroup)
@ -130,7 +130,7 @@ func (az *Cloud) VirtualMachineClientListWithRetry() ([]compute.VirtualMachine,
// GetIPForMachineWithRetry invokes az.getIPForMachine with exponential backoff retry
func (az *Cloud) GetIPForMachineWithRetry(name types.NodeName) (string, error) {
var ip string
err := wait.ExponentialBackoff(az.getorCreateRequestBackoff(), func() (bool, error) {
err := wait.ExponentialBackoff(az.getOrCreateRequestBackoff(), func() (bool, error) {
var retryErr error
ip, retryErr = az.getIPForMachine(name)
if retryErr != nil {
@ -145,7 +145,7 @@ func (az *Cloud) GetIPForMachineWithRetry(name types.NodeName) (string, error) {
// CreateOrUpdateSGWithRetry invokes az.SecurityGroupsClient.CreateOrUpdate with exponential backoff retry
func (az *Cloud) CreateOrUpdateSGWithRetry(sg network.SecurityGroup) error {
return wait.ExponentialBackoff(az.getorCreateRequestBackoff(), func() (bool, error) {
return wait.ExponentialBackoff(az.getOrCreateRequestBackoff(), func() (bool, error) {
az.operationPollRateLimiter.Accept()
glog.V(10).Infof("SecurityGroupsClient.CreateOrUpdate(%s): start", *sg.Name)
respChan, errChan := az.SecurityGroupsClient.CreateOrUpdate(az.ResourceGroup, *sg.Name, sg, nil)
@ -158,7 +158,7 @@ func (az *Cloud) CreateOrUpdateSGWithRetry(sg network.SecurityGroup) error {
// CreateOrUpdateLBWithRetry invokes az.LoadBalancerClient.CreateOrUpdate with exponential backoff retry
func (az *Cloud) CreateOrUpdateLBWithRetry(lb network.LoadBalancer) error {
return wait.ExponentialBackoff(az.getorCreateRequestBackoff(), func() (bool, error) {
return wait.ExponentialBackoff(az.getOrCreateRequestBackoff(), func() (bool, error) {
az.operationPollRateLimiter.Accept()
glog.V(10).Infof("LoadBalancerClient.CreateOrUpdate(%s): start", *lb.Name)
respChan, errChan := az.LoadBalancerClient.CreateOrUpdate(az.ResourceGroup, *lb.Name, lb, nil)
@ -169,12 +169,12 @@ func (az *Cloud) CreateOrUpdateLBWithRetry(lb network.LoadBalancer) error {
})
}
// ListLBWithRetry invokes az.VirtualMachinesClient.List with exponential backoff retry
// ListLBWithRetry invokes az.LoadBalancerClient.List with exponential backoff retry
func (az *Cloud) ListLBWithRetry() ([]network.LoadBalancer, error) {
allLBs := []network.LoadBalancer{}
var result network.LoadBalancerListResult
err := wait.ExponentialBackoff(az.getorCreateRequestBackoff(), func() (bool, error) {
err := wait.ExponentialBackoff(az.getOrCreateRequestBackoff(), func() (bool, error) {
var retryErr error
az.operationPollRateLimiter.Accept()
glog.V(10).Infof("LoadBalancerClient.List(%v): start", az.ResourceGroup)
@ -200,7 +200,7 @@ func (az *Cloud) ListLBWithRetry() ([]network.LoadBalancer, error) {
// follow the next link to get all the vms for resource group
if result.NextLink != nil {
err := wait.ExponentialBackoff(az.getorCreateRequestBackoff(), func() (bool, error) {
err := wait.ExponentialBackoff(az.getOrCreateRequestBackoff(), func() (bool, error) {
var retryErr error
az.operationPollRateLimiter.Accept()
glog.V(10).Infof("LoadBalancerClient.ListNextResults(%v): start", az.ResourceGroup)
@ -229,7 +229,7 @@ func (az *Cloud) ListLBWithRetry() ([]network.LoadBalancer, error) {
func (az *Cloud) ListPIPWithRetry() ([]network.PublicIPAddress, error) {
allPIPs := []network.PublicIPAddress{}
var result network.PublicIPAddressListResult
err := wait.ExponentialBackoff(az.getorCreateRequestBackoff(), func() (bool, error) {
err := wait.ExponentialBackoff(az.getOrCreateRequestBackoff(), func() (bool, error) {
var retryErr error
az.operationPollRateLimiter.Accept()
glog.V(10).Infof("PublicIPAddressesClient.List(%v): start", az.ResourceGroup)
@ -255,7 +255,7 @@ func (az *Cloud) ListPIPWithRetry() ([]network.PublicIPAddress, error) {
// follow the next link to get all the vms for resource group
if result.NextLink != nil {
err := wait.ExponentialBackoff(az.getorCreateRequestBackoff(), func() (bool, error) {
err := wait.ExponentialBackoff(az.getOrCreateRequestBackoff(), func() (bool, error) {
var retryErr error
az.operationPollRateLimiter.Accept()
glog.V(10).Infof("PublicIPAddressesClient.ListNextResults(%v): start", az.ResourceGroup)
@ -282,7 +282,7 @@ func (az *Cloud) ListPIPWithRetry() ([]network.PublicIPAddress, error) {
// CreateOrUpdatePIPWithRetry invokes az.PublicIPAddressesClient.CreateOrUpdate with exponential backoff retry
func (az *Cloud) CreateOrUpdatePIPWithRetry(pip network.PublicIPAddress) error {
return wait.ExponentialBackoff(az.getorCreateRequestBackoff(), func() (bool, error) {
return wait.ExponentialBackoff(az.getOrCreateRequestBackoff(), func() (bool, error) {
az.operationPollRateLimiter.Accept()
glog.V(10).Infof("PublicIPAddressesClient.CreateOrUpdate(%s): start", *pip.Name)
respChan, errChan := az.PublicIPAddressesClient.CreateOrUpdate(az.ResourceGroup, *pip.Name, pip, nil)
@ -295,7 +295,7 @@ func (az *Cloud) CreateOrUpdatePIPWithRetry(pip network.PublicIPAddress) error {
// CreateOrUpdateInterfaceWithRetry invokes az.PublicIPAddressesClient.CreateOrUpdate with exponential backoff retry
func (az *Cloud) CreateOrUpdateInterfaceWithRetry(nic network.Interface) error {
return wait.ExponentialBackoff(az.getorCreateRequestBackoff(), func() (bool, error) {
return wait.ExponentialBackoff(az.getOrCreateRequestBackoff(), func() (bool, error) {
az.operationPollRateLimiter.Accept()
glog.V(10).Infof("InterfacesClient.CreateOrUpdate(%s): start", *nic.Name)
respChan, errChan := az.InterfacesClient.CreateOrUpdate(az.ResourceGroup, *nic.Name, nic, nil)
@ -308,7 +308,7 @@ func (az *Cloud) CreateOrUpdateInterfaceWithRetry(nic network.Interface) error {
// DeletePublicIPWithRetry invokes az.PublicIPAddressesClient.Delete with exponential backoff retry
func (az *Cloud) DeletePublicIPWithRetry(pipName string) error {
return wait.ExponentialBackoff(az.getorCreateRequestBackoff(), func() (bool, error) {
return wait.ExponentialBackoff(az.getOrCreateRequestBackoff(), func() (bool, error) {
az.operationPollRateLimiter.Accept()
glog.V(10).Infof("PublicIPAddressesClient.Delete(%s): start", pipName)
respChan, errChan := az.PublicIPAddressesClient.Delete(az.ResourceGroup, pipName, nil)
@ -321,7 +321,7 @@ func (az *Cloud) DeletePublicIPWithRetry(pipName string) error {
// DeleteLBWithRetry invokes az.LoadBalancerClient.Delete with exponential backoff retry
func (az *Cloud) DeleteLBWithRetry(lbName string) error {
return wait.ExponentialBackoff(az.getorCreateRequestBackoff(), func() (bool, error) {
return wait.ExponentialBackoff(az.getOrCreateRequestBackoff(), func() (bool, error) {
az.operationPollRateLimiter.Accept()
glog.V(10).Infof("LoadBalancerClient.Delete(%s): start", lbName)
respChan, errChan := az.LoadBalancerClient.Delete(az.ResourceGroup, lbName, nil)
@ -334,7 +334,7 @@ func (az *Cloud) DeleteLBWithRetry(lbName string) error {
// CreateOrUpdateRouteTableWithRetry invokes az.RouteTablesClient.CreateOrUpdate with exponential backoff retry
func (az *Cloud) CreateOrUpdateRouteTableWithRetry(routeTable network.RouteTable) error {
return wait.ExponentialBackoff(az.getorCreateRequestBackoff(), func() (bool, error) {
return wait.ExponentialBackoff(az.getOrCreateRequestBackoff(), func() (bool, error) {
az.operationPollRateLimiter.Accept()
glog.V(10).Infof("RouteTablesClient.CreateOrUpdate(%s): start", *routeTable.Name)
respChan, errChan := az.RouteTablesClient.CreateOrUpdate(az.ResourceGroup, az.RouteTableName, routeTable, nil)
@ -347,7 +347,7 @@ func (az *Cloud) CreateOrUpdateRouteTableWithRetry(routeTable network.RouteTable
// CreateOrUpdateRouteWithRetry invokes az.RoutesClient.CreateOrUpdate with exponential backoff retry
func (az *Cloud) CreateOrUpdateRouteWithRetry(route network.Route) error {
return wait.ExponentialBackoff(az.getorCreateRequestBackoff(), func() (bool, error) {
return wait.ExponentialBackoff(az.getOrCreateRequestBackoff(), func() (bool, error) {
az.operationPollRateLimiter.Accept()
glog.V(10).Infof("RoutesClient.CreateOrUpdate(%s): start", *route.Name)
respChan, errChan := az.RoutesClient.CreateOrUpdate(az.ResourceGroup, az.RouteTableName, *route.Name, route, nil)
@ -360,7 +360,7 @@ func (az *Cloud) CreateOrUpdateRouteWithRetry(route network.Route) error {
// DeleteRouteWithRetry invokes az.RoutesClient.Delete with exponential backoff retry
func (az *Cloud) DeleteRouteWithRetry(routeName string) error {
return wait.ExponentialBackoff(az.getorCreateRequestBackoff(), func() (bool, error) {
return wait.ExponentialBackoff(az.getOrCreateRequestBackoff(), func() (bool, error) {
az.operationPollRateLimiter.Accept()
glog.V(10).Infof("RoutesClient.Delete(%s): start", az.RouteTableName)
respChan, errChan := az.RoutesClient.Delete(az.ResourceGroup, az.RouteTableName, routeName, nil)
@ -373,7 +373,7 @@ func (az *Cloud) DeleteRouteWithRetry(routeName string) error {
// CreateOrUpdateVMWithRetry invokes az.VirtualMachinesClient.CreateOrUpdate with exponential backoff retry
func (az *Cloud) CreateOrUpdateVMWithRetry(vmName string, newVM compute.VirtualMachine) error {
return wait.ExponentialBackoff(az.getorCreateRequestBackoff(), func() (bool, error) {
return wait.ExponentialBackoff(az.getOrCreateRequestBackoff(), func() (bool, error) {
az.operationPollRateLimiter.Accept()
glog.V(10).Infof("VirtualMachinesClient.CreateOrUpdate(%s): start", vmName)
respChan, errChan := az.VirtualMachinesClient.CreateOrUpdate(az.ResourceGroup, vmName, newVM, nil)

33
pkg/cloudprovider/providers/azure/azure_loadbalancer.go
View File

@ -79,8 +79,8 @@ func (az *Cloud) EnsureLoadBalancer(clusterName string, service *v1.Service, nod
// Here we'll firstly ensure service do not lie in the opposite LB.
serviceName := getServiceName(service)
glog.V(5).Infof("ensureloadbalancer(%s): START clusterName=%q", serviceName, clusterName)
flipedService := flipServiceInternalAnnotation(service)
if _, err := az.reconcileLoadBalancer(clusterName, flipedService, nil, false /* wantLb */); err != nil {
flippedService := flipServiceInternalAnnotation(service)
if _, err := az.reconcileLoadBalancer(clusterName, flippedService, nil, false /* wantLb */); err != nil {
return nil, err
}
@ -136,7 +136,7 @@ func (az *Cloud) EnsureLoadBalancerDeleted(clusterName string, service *v1.Servi
return nil
}
// getServiceLoadBalancer gets the loadbalancer for the service if it already exits
// getServiceLoadBalancer gets the loadbalancer for the service if it already exists
// If wantLb is TRUE then -it selects a new load balancer
// In case the selected load balancer does not exists it returns network.LoadBalancer struct
// with added metadata (such as name, location) and existsLB set to FALSE
@ -258,9 +258,11 @@ func (az *Cloud) determinePublicIPName(clusterName string, service *v1.Service)
func flipServiceInternalAnnotation(service *v1.Service) *v1.Service {
copyService := service.DeepCopy()
if _, ok := copyService.Annotations[ServiceAnnotationLoadBalancerInternal]; ok {
if v, ok := copyService.Annotations[ServiceAnnotationLoadBalancerInternal]; ok && v == "true" {
// If it is internal now, we make it external by remove the annotation
delete(copyService.Annotations, ServiceAnnotationLoadBalancerInternal)
} else {
// If it is external now, we make it internal
copyService.Annotations[ServiceAnnotationLoadBalancerInternal] = "true"
}
return copyService
@ -628,8 +630,8 @@ func (az *Cloud) reconcileLoadBalancer(clusterName string, service *v1.Service,
// If it is not exist, and no change to that, we don't CreateOrUpdate LB
if dirtyLb {
if lb.FrontendIPConfigurations == nil || len(*lb.FrontendIPConfigurations) == 0 {
// When FrontendIPConfigurations is empty, we need to delete the Azure LoadBalancer resource itself
// Because delete all FrontendIPConfigurations in LB is not supported, we have to delete the LB itself
// When FrontendIPConfigurations is empty, we need to delete the Azure load balancer resource itself,
// because an Azure load balancer cannot have an empty FrontendIPConfigurations collection
glog.V(3).Infof("delete(%s): lb(%s) - deleting; no remaining frontendipconfigs", serviceName, lbName)
az.operationPollRateLimiter.Accept()
@ -718,14 +720,6 @@ func (az *Cloud) reconcileSecurityGroup(clusterName string, service *v1.Service,
return nil, err
}
az.operationPollRateLimiter.Accept()
glog.V(10).Infof("SecurityGroupsClient.Get(%q): start", az.SecurityGroupName)
sg, err = az.SecurityGroupsClient.Get(az.ResourceGroup, az.SecurityGroupName, "")
glog.V(10).Infof("SecurityGroupsClient.Get(%q): end", az.SecurityGroupName)
if err != nil {
return nil, err
}
destinationIPAddress := ""
if wantLb {
// Get lbIP since we make up NSG rules based on ingress IP
@ -846,7 +840,6 @@ func (az *Cloud) reconcileSecurityGroup(clusterName string, service *v1.Service,
}
// This reconciles the PublicIP resources similar to how the LB is reconciled.
// This entails adding required, missing SecurityRules and removing stale rules.
func (az *Cloud) reconcilePublicIP(clusterName string, service *v1.Service, wantLb bool) (*network.PublicIPAddress, error) {
isInternal := requiresInternalLoadBalancer(service)
serviceName := getServiceName(service)
@ -869,9 +862,7 @@ func (az *Cloud) reconcilePublicIP(clusterName string, service *v1.Service, want
if wantLb && !isInternal && pipName == desiredPipName {
// This is the only case we should preserve the
// Public ip resource with match service tag
// We could do nothing here, we will ensure that out of the loop
} else {
// We use tag to decide which IP should be removed
glog.V(2).Infof("ensure(%s): pip(%s) - deleting", serviceName, pipName)
az.operationPollRateLimiter.Accept()
glog.V(10).Infof("PublicIPAddressesClient.Delete(%q): start", pipName)
@ -899,12 +890,12 @@ func (az *Cloud) reconcilePublicIP(clusterName string, service *v1.Service, want
if !isInternal && wantLb {
// Confirm desired public ip resource exists
var rpip *network.PublicIPAddress
var pip *network.PublicIPAddress
domainNameLabel := getPublicIPLabel(service)
if rpip, err = az.ensurePublicIPExists(serviceName, desiredPipName, domainNameLabel); err != nil {
if pip, err = az.ensurePublicIPExists(serviceName, desiredPipName, domainNameLabel); err != nil {
return nil, err
}
return rpip, nil
return pip, nil
}
return nil, nil
}
@ -972,7 +963,7 @@ func (az *Cloud) ensureHostInPool(serviceName string, nodeName types.NodeName, b
expectedAvailabilitySetName := az.getAvailabilitySetID(availabilitySetName)
if machine.AvailabilitySet == nil || !strings.EqualFold(*machine.AvailabilitySet.ID, expectedAvailabilitySetName) {
glog.V(3).Infof(
"nicupdate(%s): skipping nic (%s) since it is not in the availabilitSet(%s)",
"nicupdate(%s): skipping nic (%s) since it is not in the availabilitySet(%s)",
serviceName, nicName, availabilitySetName)
return nil
}

4
pkg/cloudprovider/providers/azure/azure_loadbalancer.md
View File

@ -37,7 +37,7 @@ Service Annotation for Auto and specific load balancer mode
- ensure Public IP with desiredPipName exists
- getServiceLoadBalancer(service *v1.Service, clusterName string, nodes []*v1.Node, wantLb bool) (lb, status, exists, error)
- gets the loadbalancer for the service if it already exits
- gets the loadbalancer for the service if it already exists
- If wantLb is TRUE then -it selects a new load balancer, the selction helps distribute the services across load balancers
- In case the selected load balancer does not exists it returns network.LoadBalancer struct with added metadata (such as name, location) and existsLB set to FALSE
- By default - cluster default LB is returned
@ -52,7 +52,7 @@ Service Annotation for Auto and specific load balancer mode
### EnsureLoadBalancer
- Reconcile LB for the fliped service
- Reconcile LB for the flipped service
- Call reconcileLoadBalancer(clusterName, flipedService, nil, false/* wantLb */)
- Reconcile Public IP
- Call reconcilePublicIP(cluster, service, true)

17
pkg/cloudprovider/providers/azure/azure_test.go
View File

@ -127,12 +127,12 @@ func testLoadBalancerServiceDefaultModeSelection(t *testing.T, isInternal bool)
ruleCount := len(*lb.LoadBalancingRules)
if ruleCount != index {
t.Errorf("lb rule could should be equal to nuber of services deployed, expected (%d) Found (%d)", index, ruleCount)
t.Errorf("lb rule count should be equal to nuber of services deployed, expected (%d) Found (%d)", index, ruleCount)
}
}
}
// Validate even distribution of external services across load balances
// Validate even distribution of external services across load balancers
// based on number of availability sets
func testLoadBalancerServiceAutoModeSelection(t *testing.T, isInternal bool) {
az := getTestCloud()
@ -173,8 +173,7 @@ func testLoadBalancerServiceAutoModeSelection(t *testing.T, isInternal bool) {
maxRules := 0
minRules := serviceCount
for x := range *result.Value {
lb := (*result.Value)[x]
for _, lb := range *result.Value {
ruleCount := len(*lb.LoadBalancingRules)
if ruleCount < minRules {
minRules = ruleCount
@ -737,7 +736,7 @@ func TestReconcilePublicIPWithNewService(t *testing.T) {
if err != nil {
t.Errorf("Unexpected error: %q", err)
}
validatePublicIP(t, pip, &svc, true)
validatePublicIP(t, pip2, &svc, true)
if pip.Name != pip2.Name ||
pip.PublicIPAddressPropertiesFormat.IPAddress != pip2.PublicIPAddressPropertiesFormat.IPAddress {
t.Errorf("We should get the exact same public ip resource after a second reconcile")
@ -814,7 +813,7 @@ func getTestCloud() (az *Cloud) {
SubnetName: "subnet",
SecurityGroupName: "nsg",
RouteTableName: "rt",
PrimaryAvailabilitySetName: "asName",
PrimaryAvailabilitySetName: "as",
MaximumLoadBalancerRuleCount: 250,
},
}
@ -832,8 +831,8 @@ func getTestCloud() (az *Cloud) {
const networkInterfacesIDTemplate = "/subscriptions/%s/resourceGroups/%s/providers/Microsoft.Network/networkInterfaces/%s"
const primaryIPConfigIDTemplate = "%s/ipConfigurations/ipconfig"
// returns the full identifier of a publicIPAddress.
func getNetworkInterfacesID(subscriptionID string, resourceGroupName, nicName string) string {
// returns the full identifier of Network Interface.
func getNetworkInterfaceID(subscriptionID string, resourceGroupName, nicName string) string {
return fmt.Sprintf(
networkInterfacesIDTemplate,
subscriptionID,
@ -892,7 +891,7 @@ func getClusterResources(az *Cloud, vmCount int, availabilitySetCount int) (clus
clusterResources.availabilitySetNames = append(clusterResources.availabilitySetNames, asName)
nicName := getNICName(vmIndex)
nicID := getNetworkInterfacesID(az.Config.SubscriptionID, az.Config.ResourceGroup, nicName)
nicID := getNetworkInterfaceID(az.Config.SubscriptionID, az.Config.ResourceGroup, nicName)
primaryIPConfigID := getPrimaryIPConfigID(nicID)
isPrimary := true
newNIC := network.Interface{