7241: Do not bother trying to add a volume if credential args are missing/empty.

diff --git a/services/keepstore/azure_blob_volume.go b/services/keepstore/azure_blob_volume.go
index 8f93c18fd811ebc2b6ed385a7be805d5b4ace942..d45db9be1266fccc8d29e62d9800e417c07e5c8d 100644 (file)
--- a/services/keepstore/azure_blob_volume.go
+++ b/services/keepstore/azure_blob_volume.go
@@ -40,6 +40,9 @@ func (s *azureVolumeAdder) Set(containerName string) error {
        if containerName == "" {
                return errors.New("no container name given")
        }
+       if azureStorageAccountName == "" || azureStorageAccountKeyFile == "" {
+               return errors.New("-azure-storage-account-name and -azure-storage-account-key-file arguments must given before -azure-storage-container-volume")
+       }
        accountKey, err := readKeyFromFile(azureStorageAccountKeyFile)
        if err != nil {
                return err