remove vowels from random strings

pkg/backend/openshiftcluster/create.go

@@ -97,7 +97,7 @@ func (m *Manager) Create(ctx context.Context) error {
 		}
 
 		if doc.OpenShiftCluster.Properties.StorageSuffix == "" {
-			doc.OpenShiftCluster.Properties.StorageSuffix, err = randomLowerCaseAlphanumericString(5)
+			doc.OpenShiftCluster.Properties.StorageSuffix, err = randomLowerCaseAlphanumericStringWithNoVowels(5)
 			if err != nil {
 				return err
 			}
@@ -325,8 +325,8 @@ func getRHCOSImage(ctx context.Context) (*azuretypes.Image, error) {
 	}, nil
 }
 
-func randomLowerCaseAlphanumericString(n int) (string, error) {
-	return randomString("abcdefghijklmnopqrstuvwxyz0123456789", n)
+func randomLowerCaseAlphanumericStringWithNoVowels(n int) (string, error) {
+	return randomString("bcdfghjklmnpqrstvwxyz0123456789", n)
 }
 
 func randomString(letterBytes string, n int) (string, error) {

python/az/aro/azext_aro/custom.py

@@ -45,7 +45,7 @@ def aro_create(cmd,  # pylint: disable=too-many-locals
     subscription_id = get_subscription_id(cmd.cli_ctx)
 
     random_id = ''.join(random.choice(
-        'abcdefghijklmnopqrstuvwxyz0123456789') for _ in range(8))
+        'bcdfghjklmnpqrstvwxyz0123456789') for _ in range(8))
 
     aad = AADManager(cmd.cli_ctx)
     if client_id is None: