add timeout in GetVolumeLimits operation

add timeout for getAllStorageAccounts

pkg/cloudprovider/providers/azure/azure_blobDiskController.go

@@ -18,6 +18,7 @@ package azure
 
 import (
 	"bytes"
+	"context"
 	"encoding/binary"
 	"fmt"
 	"net/url"
@@ -439,7 +440,7 @@ func (c *BlobDiskController) getDiskCount(SAName string) (int, error) {
 }
 
 func (c *BlobDiskController) getAllStorageAccounts() (map[string]*storageAccountState, error) {
-	ctx, cancel := getContextWithCancel()
+	ctx, cancel := context.WithTimeout(context.Background(), 60*time.Second)
 	defer cancel()
 	accountListResult, err := c.common.cloud.StorageAccountClient.ListByResourceGroup(ctx, c.common.resourceGroup)
 	if err != nil {

pkg/volume/azure_dd/azure_dd.go

@@ -20,6 +20,7 @@ import (
 	"context"
 	"fmt"
 	"strings"
+	"time"
 
 	"github.com/Azure/azure-sdk-for-go/services/compute/mgmt/2018-10-01/compute"
 	"github.com/Azure/azure-sdk-for-go/services/storage/mgmt/2018-07-01/storage"
@@ -164,7 +165,9 @@ func (plugin *azureDataDiskPlugin) GetVolumeLimits() (map[string]int64, error) {
 	}
 
 	if vmSizeList == nil {
-		result, err := az.VirtualMachineSizesClient.List(context.TODO(), az.Location)
+		ctx, cancel := context.WithTimeout(context.Background(), 60*time.Second)
+		defer cancel()
+		result, err := az.VirtualMachineSizesClient.List(ctx, az.Location)
 		if err != nil || result.Value == nil {
 			klog.Errorf("failed to list vm sizes in GetVolumeLimits, plugin.host: %s, location: %s", plugin.host.GetHostName(), az.Location)
 			return volumeLimits, nil