[HADOOP-17848] Hadoop NativeAzureFileSystem append removes ownership set on the file

• Type: Bug
• Status: Open
• Priority: Major
• Resolution: Unresolved
• Affects Version/s: 3.3.1
• Assignee: Unassigned
• Reporter: Prabhu Joseph
• Created: 15/Aug/21 11:24
• Updated: 25/Aug/21 09:14

Description

Repro: Create Operation sets ownership whereas append operation removes the same.

Create:

// rw-rr- 1 root supergroup 1 2021-08-15 11:02 /tmp/dummyfile

Append:

// -rwxrwxrwx 1 <NULL>  <NULL> 2 2021-08-15 11:04 /tmp/dummyfile

import org.apache.hadoop.conf.Configuration;
import org.apache.hadoop.fs.FSDataOutputStream;
import org.apache.hadoop.fs.FileSystem;
import org.apache.hadoop.fs.Path;
import org.apache.hadoop.fs.permission.FsPermission;

public class Wasb {

 private static final short FILE_LOG_PERMISSIONS = 0640;
 
 public static void main(String[] args) throws Exception {
 
    Configuration fsConf = new Configuration();
    fsConf.set("fs.azure.enable.append.support", "true");

Path filePath = new Path("/tmp/dummyfile");

FileSystem fs = FileSystem.newInstance(filePath.toUri(), fsConf);

FSDataOutputStream stream = fs.create(filePath, false);
stream.write(12345);
stream.close();

stream = fs.append(filePath);
stream.write(888);
stream.close();

fs.close();
 }
}