Merge pull request #58798 from feiskyer/cleanup

Automatic merge from submit-queue. If you want to cherry-pick this change to another branch, please follow the instructions <a href="https://github.com/kubernetes/community/blob/master/contributors/devel/cherry-picks.md">here</a>.

Clean up unused functions and consts

**What this PR does / why we need it**:

Clean up unused functions and consts.

**Which issue(s) this PR fixes** *(optional, in `fixes #<issue number>(, fixes #<issue_number>, ...)` format, will close the issue(s) when PR gets merged)*:
Fixes #

**Special notes for your reviewer**:

**Release note**:

```release-note
NONE
```

pkg/cloudprovider/providers/azure/azure.go

@@ -311,14 +311,9 @@ func initDiskControllers(az *Cloud) error {
 	// needed by both blob disk and managed disk controllers
 
 	common := &controllerCommon{
-		aadResourceEndPoint:   az.Environment.ServiceManagementEndpoint,
-		clientID:              az.AADClientID,
-		clientSecret:          az.AADClientSecret,
 		location:              az.Location,
 		storageEndpointSuffix: az.Environment.StorageEndpointSuffix,
-		managementEndpoint:    az.Environment.ResourceManagerEndpoint,
 		resourceGroup:         az.ResourceGroup,
-		tokenEndPoint:         az.Environment.ActiveDirectoryEndpoint,
 		subscriptionID:        az.SubscriptionID,
 		cloud:                 az,
 	}

pkg/cloudprovider/providers/azure/azure_blobDiskController.go

@@ -637,18 +637,6 @@ func (c *BlobDiskController) getNextAccountNum() int {
 	return max + 1
 }
 
-func (c *BlobDiskController) deleteStorageAccount(storageAccountName string) error {
-	resp, err := c.common.cloud.StorageAccountClient.Delete(c.common.resourceGroup, storageAccountName)
-	if err != nil {
-		return fmt.Errorf("azureDisk - Delete of storage account '%s' failed with status %s...%v", storageAccountName, resp.Status, err)
-	}
-
-	c.removeAccountState(storageAccountName)
-
-	glog.Infof("azureDisk - Storage Account %s was deleted", storageAccountName)
-	return nil
-}
-
 //Gets storage account exist, provisionStatus, Error if any
 func (c *BlobDiskController) getStorageAccountState(storageAccountName string) (bool, storage.ProvisioningState, error) {
 	account, err := c.common.cloud.StorageAccountClient.GetProperties(c.common.resourceGroup, storageAccountName)
@@ -667,12 +655,6 @@ func (c *BlobDiskController) addAccountState(key string, state *storageAccountSt
 	}
 }
 
-func (c *BlobDiskController) removeAccountState(key string) {
-	accountsLock.Lock()
-	defer accountsLock.Unlock()
-	delete(c.accounts, key)
-}
-
 // pads account num with zeros as needed
 func getAccountNameForNum(num int) string {
 	sNum := strconv.Itoa(num)

pkg/cloudprovider/providers/azure/azure_controllerCommon.go

@@ -30,14 +30,12 @@ import (
 )
 
 const (
-	defaultDataDiskCount       int = 16 // which will allow you to work with most medium size VMs (if not found in map)
-	storageAccountNameTemplate     = "pvc%s"
+	storageAccountNameTemplate = "pvc%s"
 
 	// for limits check https://docs.microsoft.com/en-us/azure/azure-subscription-service-limits#storage-limits
 	maxStorageAccounts                     = 100 // max # is 200 (250 with special request). this allows 100 for everything else including stand alone disks
 	maxDisksPerStorageAccounts             = 60
 	storageAccountUtilizationBeforeGrowing = 0.5
-	storageAccountsCountInit               = 2 // When the plug-in is init-ed, 2 storage accounts will be created to allow fast pvc create/attach/mount
 
 	maxLUN               = 64 // max number of LUNs per VM
 	errLeaseFailed       = "AcquireDiskLeaseFailed"
@@ -58,13 +56,6 @@ type controllerCommon struct {
 	location              string
 	storageEndpointSuffix string
 	resourceGroup         string
-	clientID              string
-	clientSecret          string
-	managementEndpoint    string
-	tokenEndPoint         string
-	aadResourceEndPoint   string
-	aadToken              string
-	expiresOn             time.Time
 	cloud                 *Cloud
 }
 

pkg/cloudprovider/providers/azure/azure_instances.go

@@ -119,9 +119,3 @@ func (az *Cloud) CurrentNodeName(hostname string) (types.NodeName, error) {
 func mapNodeNameToVMName(nodeName types.NodeName) string {
 	return string(nodeName)
 }
-
-// mapVMNameToNodeName maps an Azure VM Name to a k8s NodeName
-// This is a simple string cast.
-func mapVMNameToNodeName(vmName string) types.NodeName {
-	return types.NodeName(vmName)
-}

pkg/cloudprovider/providers/azure/azure_standard.go

@@ -45,9 +45,7 @@ const (
 	availabilitySetIDTemplate   = "/subscriptions/%s/resourceGroups/%s/providers/Microsoft.Compute/availabilitySets/%s"
 	frontendIPConfigIDTemplate  = "/subscriptions/%s/resourceGroups/%s/providers/Microsoft.Network/loadBalancers/%s/frontendIPConfigurations/%s"
 	backendPoolIDTemplate       = "/subscriptions/%s/resourceGroups/%s/providers/Microsoft.Network/loadBalancers/%s/backendAddressPools/%s"
-	loadBalancerRuleIDTemplate  = "/subscriptions/%s/resourceGroups/%s/providers/Microsoft.Network/loadBalancers/%s/loadBalancingRules/%s"
 	loadBalancerProbeIDTemplate = "/subscriptions/%s/resourceGroups/%s/providers/Microsoft.Network/loadBalancers/%s/probes/%s"
-	securityRuleIDTemplate      = "/subscriptions/%s/resourceGroups/%s/providers/Microsoft.Network/networkSecurityGroups/%s/securityRules/%s"
 
 	// InternalLoadBalancerNameSuffix is load balancer posfix
 	InternalLoadBalancerNameSuffix = "-internal"
@@ -97,16 +95,6 @@ func (az *Cloud) getBackendPoolID(lbName, backendPoolName string) string {
 		backendPoolName)
 }
 
-// returns the full identifier of a loadbalancer rule.
-func (az *Cloud) getLoadBalancerRuleID(lbName, lbRuleName string) string {
-	return fmt.Sprintf(
-		loadBalancerRuleIDTemplate,
-		az.SubscriptionID,
-		az.ResourceGroup,
-		lbName,
-		lbRuleName)
-}
-
 // returns the full identifier of a loadbalancer probe.
 func (az *Cloud) getLoadBalancerProbeID(lbName, lbRuleName string) string {
 	return fmt.Sprintf(
@@ -117,25 +105,6 @@ func (az *Cloud) getLoadBalancerProbeID(lbName, lbRuleName string) string {
 		lbRuleName)
 }
 
-// returns the full identifier of a network security group security rule.
-func (az *Cloud) getSecurityRuleID(securityRuleName string) string {
-	return fmt.Sprintf(
-		securityRuleIDTemplate,
-		az.SubscriptionID,
-		az.ResourceGroup,
-		az.SecurityGroupName,
-		securityRuleName)
-}
-
-// returns the full identifier of a publicIPAddress.
-func (az *Cloud) getpublicIPAddressID(pipName string) string {
-	return fmt.Sprintf(
-		publicIPAddressIDTemplate,
-		az.SubscriptionID,
-		az.ResourceGroup,
-		pipName)
-}
-
 func (az *Cloud) mapLoadBalancerNameToVMSet(lbName string, clusterName string) (vmSetName string) {
 	vmSetName = strings.TrimSuffix(lbName, InternalLoadBalancerNameSuffix)
 	if strings.EqualFold(clusterName, lbName) {

pkg/cloudprovider/providers/azure/azure_test.go

@@ -861,14 +861,17 @@ func getTestCloud() (az *Cloud) {
 			MaximumLoadBalancerRuleCount: 250,
 		},
 	}
+	az.DisksClient = newFakeDisksClient()
+	az.InterfacesClient = newFakeAzureInterfacesClient()
 	az.LoadBalancerClient = newFakeAzureLBClient()
 	az.PublicIPAddressesClient = newFakeAzurePIPClient(az.Config.SubscriptionID)
-	az.SubnetsClient = newFakeAzureSubnetsClient()
+	az.RoutesClient = newFakeRoutesClient()
+	az.RouteTablesClient = newFakeRouteTablesClient()
 	az.SecurityGroupsClient = newFakeAzureNSGClient()
-	az.VirtualMachinesClient = newFakeAzureVirtualMachinesClient()
-	az.InterfacesClient = newFakeAzureInterfacesClient()
+	az.SubnetsClient = newFakeAzureSubnetsClient()
 	az.VirtualMachineScaleSetsClient = newFakeVirtualMachineScaleSetsClient()
 	az.VirtualMachineScaleSetVMsClient = newFakeVirtualMachineScaleSetVMsClient()
+	az.VirtualMachinesClient = newFakeAzureVirtualMachinesClient()
 	az.vmSet = newAvailabilitySet(az)
 
 	return az

pkg/cloudprovider/providers/azure/azure_wrap.go

@@ -131,54 +131,6 @@ func (az *Cloud) getRouteTable() (routeTable network.RouteTable, exists bool, er
 	return routeTable, exists, err
 }
 
-func (az *Cloud) getSecurityGroup() (sg network.SecurityGroup, exists bool, err error) {
-	var realErr error
-
-	sg, err = az.SecurityGroupsClient.Get(az.ResourceGroup, az.SecurityGroupName, "")
-	exists, realErr = checkResourceExistsFromError(err)
-	if realErr != nil {
-		return sg, false, realErr
-	}
-
-	if !exists {
-		return sg, false, nil
-	}
-
-	return sg, exists, err
-}
-
-func (az *Cloud) getAzureLoadBalancer(name string) (lb network.LoadBalancer, exists bool, err error) {
-	var realErr error
-
-	lb, err = az.LoadBalancerClient.Get(az.ResourceGroup, name, "")
-	exists, realErr = checkResourceExistsFromError(err)
-	if realErr != nil {
-		return lb, false, realErr
-	}
-
-	if !exists {
-		return lb, false, nil
-	}
-
-	return lb, exists, err
-}
-
-func (az *Cloud) listLoadBalancers() (lbListResult network.LoadBalancerListResult, exists bool, err error) {
-	var realErr error
-
-	lbListResult, err = az.LoadBalancerClient.List(az.ResourceGroup)
-	exists, realErr = checkResourceExistsFromError(err)
-	if realErr != nil {
-		return lbListResult, false, realErr
-	}
-
-	if !exists {
-		return lbListResult, false, nil
-	}
-
-	return lbListResult, exists, err
-}
-
 func (az *Cloud) getPublicIPAddress(pipResourceGroup string, pipName string) (pip network.PublicIPAddress, exists bool, err error) {
 	resourceGroup := az.ResourceGroup
 	if pipResourceGroup != "" {