Log to indicate which authentication method we're using

Author: nicktindall

modules/repository-azure/src/internalClusterTest/java/org/elasticsearch/repositories/azure/AzureStorageCleanupThirdPartyTests.java

@@ -30,6 +30,8 @@
 import org.elasticsearch.common.unit.ByteSizeUnit;
 import org.elasticsearch.common.unit.ByteSizeValue;
 import org.elasticsearch.core.Booleans;
+import org.elasticsearch.logging.LogManager;
+import org.elasticsearch.logging.Logger;
 import org.elasticsearch.plugins.Plugin;
 import org.elasticsearch.repositories.AbstractThirdPartyRepositoryTestCase;
 import org.elasticsearch.repositories.blobstore.BlobStoreRepository;
@@ -46,6 +48,7 @@
 import static org.hamcrest.Matchers.not;
 
 public class AzureStorageCleanupThirdPartyTests extends AbstractThirdPartyRepositoryTestCase {
+    private static final Logger logger = LogManager.getLogger(AzureStorageCleanupThirdPartyTests.class);
     private static final boolean USE_FIXTURE = Booleans.parseBoolean(System.getProperty("test.azure.fixture", "true"));
 
     private static final String AZURE_ACCOUNT = System.getProperty("test.azure.account");
@@ -89,8 +92,10 @@ protected SecureSettings credentials() {
         MockSecureSettings secureSettings = new MockSecureSettings();
         secureSettings.setString("azure.client.default.account", System.getProperty("test.azure.account"));
         if (hasSasToken) {
+            logger.info("Using SAS token authentication");
             secureSettings.setString("azure.client.default.sas_token", System.getProperty("test.azure.sas_token"));
         } else {
+            logger.info("Using key authentication");
             secureSettings.setString("azure.client.default.key", System.getProperty("test.azure.key"));
         }
         return secureSettings;