[jira] [Created] (HADOOP-17239) ViewFs#getDelegationTokens should include fallback fs tokens as well.

["Uma Maheswara Rao G (Jira)" <ji...@apache.org>]

Uma Maheswara Rao G created HADOOP-17239:
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             Summary: ViewFs#getDelegationTokens should include fallback fs tokens as well.
                 Key: HADOOP-17239
                 URL: https://issues.apache.org/jira/browse/HADOOP-17239
             Project: Hadoop Common
          Issue Type: Bug
          Components: viewfs
            Reporter: Uma Maheswara Rao G


 

getDelegationTokens API is using getMountPoints API and return tokens by iterating over.

But getMountPoints will not include fallbackfs. So, it will miss the tokens from fallback fs.
{code:java}
@Override
public List<Token<?>> getDelegationTokens(String renewer) throws IOException {
 List<InodeTree.MountPoint<AbstractFileSystem>> mountPoints = 
 fsState.getMountPoints();
 int initialListSize = 0;
 for (InodeTree.MountPoint<AbstractFileSystem> im : mountPoints) {
 initialListSize += im.target.targetDirLinkList.length; 
 }
 List<Token<?>> result = new ArrayList<Token<?>>(initialListSize);
 for ( int i = 0; i < mountPoints.size(); ++i ) {
 List<Token<?>> tokens = 
 mountPoints.get(i).target.targetFileSystem.getDelegationTokens(renewer);
 if (tokens != null) {
 result.addAll(tokens);
 }
 }
 return result;
}
{code}
 



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