steveloughran commented on a change in pull request #1481: HADOOP-16587: Made 
auth endpoints configurable for MSI and refresh token flows
URL: https://github.com/apache/hadoop/pull/1481#discussion_r327102701
 
 

 ##########
 File path: 
hadoop-tools/hadoop-azure/src/main/java/org/apache/hadoop/fs/azurebfs/AbfsConfiguration.java
 ##########
 @@ -635,4 +641,24 @@ void setWriteBufferSize(int bufferSize) {
   void setEnableFlush(boolean enableFlush) {
     this.enableFlush = enableFlush;
   }
+
+  private String getMsiAuthEndpoint() throws IOException {
+    String authEndpoint = getPasswordString(
+        FS_AZURE_ACCOUNT_OAUTH_MSI_ENDPOINT);
+    if (Utils.isEmpty(authEndpoint)) {
+      authEndpoint =
+          AuthConfigurations.DEFAULT_FS_AZURE_ACCOUNT_OAUTH_MSI_ENDPOINT;
+    }
+    return authEndpoint;
+  }
+
+  private String getRefreshTokenAuthEndpoint() throws IOException {
+    String authEndpoint = getPasswordString(
+        FS_AZURE_ACCOUNT_OAUTH_REFRESH_TOKEN_ENDPOINT);
+    if (Utils.isEmpty(authEndpoint)) {
+      authEndpoint =
+          
AuthConfigurations.DEFAULT_FS_AZURE_ACCOUNT_OAUTH_REFRESH_TOKEN_ENDPOINT;
+    }
+    return authEndpoint;
 
 Review comment:
   given the empty check is on the trimmed value, should the authEndpoint be 
returned trimmed? as currenty a path like " http://something " with a space at 
either end will go through here and fail later, possibly with a meaningless 
message

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