add more sku support for azure disk

add error msg

update bazel

pkg/volume/azure_dd/BUILD

@@ -75,6 +75,7 @@ go_test(
         "//staging/src/k8s.io/apimachinery/pkg/apis/meta/v1:go_default_library",
         "//staging/src/k8s.io/apimachinery/pkg/types:go_default_library",
         "//staging/src/k8s.io/client-go/util/testing:go_default_library",
+        "//vendor/github.com/Azure/azure-sdk-for-go/services/storage/mgmt/2017-10-01/storage:go_default_library",
         "//vendor/github.com/stretchr/testify/assert:go_default_library",
     ],
 )

pkg/volume/azure_dd/azure_common.go

@@ -59,8 +59,6 @@ var (
 		string(api.AzureSharedBlobDisk),
 		string(api.AzureDedicatedBlobDisk),
 		string(api.AzureManagedDisk))
-
-	supportedStorageAccountTypes = sets.NewString("Premium_LRS", "Standard_LRS", "Standard_GRS", "Standard_RAGRS")
 )
 
 func getPath(uid types.UID, volName string, host volume.VolumeHost) string {
@@ -127,11 +125,15 @@ func normalizeStorageAccountType(storageAccountType string) (storage.SkuName, er
 		return defaultStorageAccountType, nil
 	}
 
-	if !supportedStorageAccountTypes.Has(storageAccountType) {
+	sku := storage.SkuName(storageAccountType)
-		return "", fmt.Errorf("azureDisk - %s is not supported sku/storageaccounttype. Supported values are %s", storageAccountType, supportedStorageAccountTypes.List())
+	supportedSkuNames := storage.PossibleSkuNameValues()
+	for _, s := range supportedSkuNames {
+		if sku == s {
+			return sku, nil
+		}
 	}
 
-	return storage.SkuName(storageAccountType), nil
+	return "", fmt.Errorf("azureDisk - %s is not supported sku/storageaccounttype. Supported values are %s", storageAccountType, supportedSkuNames)
 }
 
 func normalizeCachingMode(cachingMode v1.AzureDataDiskCachingMode) (v1.AzureDataDiskCachingMode, error) {

pkg/volume/azure_dd/azure_common_test.go

@@ -24,6 +24,9 @@ import (
 	"testing"
 	"time"
 
+	"github.com/Azure/azure-sdk-for-go/services/storage/mgmt/2017-10-01/storage"
+	"github.com/stretchr/testify/assert"
+
 	"k8s.io/kubernetes/pkg/util/mount"
 )
 
@@ -134,3 +137,53 @@ func TestIoHandler(t *testing.T) {
 		}
 	}
 }
+
+func TestNormalizeStorageAccountType(t *testing.T) {
+	tests := []struct {
+		storageAccountType  string
+		expectedAccountType storage.SkuName
+		expectError         bool
+	}{
+		{
+			storageAccountType:  "",
+			expectedAccountType: storage.StandardLRS,
+			expectError:         false,
+		},
+		{
+			storageAccountType:  "NOT_EXISTING",
+			expectedAccountType: "",
+			expectError:         true,
+		},
+		{
+			storageAccountType:  "Standard_LRS",
+			expectedAccountType: storage.StandardLRS,
+			expectError:         false,
+		},
+		{
+			storageAccountType:  "Premium_LRS",
+			expectedAccountType: storage.PremiumLRS,
+			expectError:         false,
+		},
+		{
+			storageAccountType:  "Standard_GRS",
+			expectedAccountType: storage.StandardGRS,
+			expectError:         false,
+		},
+		{
+			storageAccountType:  "Standard_RAGRS",
+			expectedAccountType: storage.StandardRAGRS,
+			expectError:         false,
+		},
+		{
+			storageAccountType:  "Standard_ZRS",
+			expectedAccountType: storage.StandardZRS,
+			expectError:         false,
+		},
+	}
+
+	for _, test := range tests {
+		result, err := normalizeStorageAccountType(test.storageAccountType)
+		assert.Equal(t, result, test.expectedAccountType)
+		assert.Equal(t, err != nil, test.expectError, fmt.Sprintf("error msg: %v", err))
+	}
+}