Examples with WebHdfsFileSystem org.apache.hadoop.hdfs.web.WebHdfsFileSystem used on opensource projects

Example 21 with WebHdfsFileSystem

use of org.apache.hadoop.hdfs.web.WebHdfsFileSystem in project hadoop by apache.

the class TestDelegationTokenForProxyUser method testWebHdfsDoAs.

@Test(timeout = 5000)
public void testWebHdfsDoAs() throws Exception {
    WebHdfsTestUtil.LOG.info("START: testWebHdfsDoAs()");
    WebHdfsTestUtil.LOG.info("ugi.getShortUserName()=" + ugi.getShortUserName());
    final WebHdfsFileSystem webhdfs = WebHdfsTestUtil.getWebHdfsFileSystemAs(ugi, config, WebHdfsConstants.WEBHDFS_SCHEME);
    final Path root = new Path("/");
    cluster.getFileSystem().setPermission(root, new FsPermission((short) 0777));
    Whitebox.setInternalState(webhdfs, "ugi", proxyUgi);
    {
        Path responsePath = webhdfs.getHomeDirectory();
        WebHdfsTestUtil.LOG.info("responsePath=" + responsePath);
        Assert.assertEquals(webhdfs.getUri() + "/user/" + PROXY_USER, responsePath.toString());
    }
    final Path f = new Path("/testWebHdfsDoAs/a.txt");
    {
        FSDataOutputStream out = webhdfs.create(f);
        out.write("Hello, webhdfs user!".getBytes());
        out.close();
        final FileStatus status = webhdfs.getFileStatus(f);
        WebHdfsTestUtil.LOG.info("status.getOwner()=" + status.getOwner());
        Assert.assertEquals(PROXY_USER, status.getOwner());
    }
    {
        final FSDataOutputStream out = webhdfs.append(f);
        out.write("\nHello again!".getBytes());
        out.close();
        final FileStatus status = webhdfs.getFileStatus(f);
        WebHdfsTestUtil.LOG.info("status.getOwner()=" + status.getOwner());
        WebHdfsTestUtil.LOG.info("status.getLen()  =" + status.getLen());
        Assert.assertEquals(PROXY_USER, status.getOwner());
    }
}