Package org.apache.hadoop.hdfs.web

Examples of org.apache.hadoop.hdfs.web.WebHdfsFileSystem$Runner

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      int port = viewer.getPort();

      // create a WebHdfsFileSystem instance
      URI uri = new URI("webhdfs://localhost:" + String.valueOf(port));
      Configuration conf = new Configuration();
      WebHdfsFileSystem webhdfs = (WebHdfsFileSystem)FileSystem.get(uri, conf);

      // GETACLSTATUS operation to a directory without ACL
      AclStatus acl = webhdfs.getAclStatus(new Path("/dirWithNoAcl"));
      assertEquals(writtenAcls.get("/dirWithNoAcl"), acl);

      // GETACLSTATUS operation to a directory with a default ACL
      acl = webhdfs.getAclStatus(new Path("/dirWithDefaultAcl"));
      assertEquals(writtenAcls.get("/dirWithDefaultAcl"), acl);

      // GETACLSTATUS operation to a file without ACL
      acl = webhdfs.getAclStatus(new Path("/noAcl"));
      assertEquals(writtenAcls.get("/noAcl"), acl);

      // GETACLSTATUS operation to a file with a ACL
      acl = webhdfs.getAclStatus(new Path("/withAcl"));
      assertEquals(writtenAcls.get("/withAcl"), acl);

      // GETACLSTATUS operation to a file with several ACL entries
      acl = webhdfs.getAclStatus(new Path("/withSeveralAcls"));
      assertEquals(writtenAcls.get("/withSeveralAcls"), acl);

      // GETACLSTATUS operation to a invalid path
      URL url = new URL("http://localhost:" + port +
          "/webhdfs/v1/invalid/?op=GETACLSTATUS");
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  @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, WebHdfsFileSystem.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());
    }
  }
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  }
 
  @Test
  public void testWebHdfsCustomDefaultPorts() throws IOException {
    URI uri = URI.create("webhdfs://localhost");
    WebHdfsFileSystem fs = (WebHdfsFileSystem) FileSystem.get(uri, conf);

    assertEquals(123, fs.getDefaultPort());
    assertEquals(uri, fs.getUri());
    assertEquals("127.0.0.1:123", fs.getCanonicalServiceName());
  }
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  }

  @Test
  public void testWebHdfsCustomUriPortWithCustomDefaultPorts() throws IOException {
    URI uri = URI.create("webhdfs://localhost:789");
    WebHdfsFileSystem fs = (WebHdfsFileSystem) FileSystem.get(uri, conf);

    assertEquals(123, fs.getDefaultPort());
    assertEquals(uri, fs.getUri());
    assertEquals("127.0.0.1:789", fs.getCanonicalServiceName());
  }
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    final String uri = WebHdfsFileSystem.SCHEME  + "://"
        + config.get("dfs.http.address");
    //get file system as JobTracker
    final UserGroupInformation ugi = UserGroupInformation.createUserForTesting(
        "JobTracker", new String[]{"user"});
    final WebHdfsFileSystem webhdfs = ugi.doAs(
        new PrivilegedExceptionAction<WebHdfsFileSystem>() {
      @Override
      public WebHdfsFileSystem run() throws Exception {
        return (WebHdfsFileSystem)FileSystem.get(new URI(uri), config);
      }
    });

    final Token<DelegationTokenIdentifier> token = webhdfs
        .getDelegationToken("JobTracker");
    DelegationTokenIdentifier identifier = new DelegationTokenIdentifier();
    byte[] tokenId = token.getIdentifier();
    identifier
        .readFields(new DataInputStream(new ByteArrayInputStream(tokenId)));
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    fs.setPermission(file, new FsPermission((short)0644));
    fs.setOwner(file, "root", null);

    setupAuditLogs();

    WebHdfsFileSystem webfs = WebHdfsTestUtil.getWebHdfsFileSystemAs(userGroupInfo, conf);
    InputStream istream = webfs.open(file);
    int val = istream.read();
    istream.close();

    verifyAuditLogsRepeat(true, 3);
    assertTrue("failed to read from file", val > 0);
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    fs.setPermission(file, new FsPermission((short)0644));
    fs.setOwner(file, "root", null);

    setupAuditLogs();

    WebHdfsFileSystem webfs = WebHdfsTestUtil.getWebHdfsFileSystemAs(userGroupInfo, conf);
    FileStatus st = webfs.getFileStatus(file);

    verifyAuditLogs(true);
    assertTrue("failed to stat file", st != null && st.isFile());
  }
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    fs.setPermission(file, new FsPermission((short)0600));
    fs.setOwner(file, "root", null);

    setupAuditLogs();
    try {
      WebHdfsFileSystem webfs = WebHdfsTestUtil.getWebHdfsFileSystemAs(userGroupInfo, conf);
      InputStream istream = webfs.open(file);
      int val = istream.read();
      fail("open+read must not succeed, got " + val);
    } catch(AccessControlException E) {
      System.out.println("got access denied, as expected.");
    }
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    final String uri = WebHdfsFileSystem.SCHEME  + "://"
        + config.get("dfs.http.address");
    //get file system as JobTracker
    final UserGroupInformation ugi = UserGroupInformation.createUserForTesting(
        "JobTracker", new String[]{"user"});
    final WebHdfsFileSystem webhdfs = ugi.doAs(
        new PrivilegedExceptionAction<WebHdfsFileSystem>() {
      @Override
      public WebHdfsFileSystem run() throws Exception {
        return (WebHdfsFileSystem)FileSystem.get(new URI(uri), config);
      }
    });

    final Token<DelegationTokenIdentifier> token = webhdfs.getDelegationToken("JobTracker");
    DelegationTokenIdentifier identifier = new DelegationTokenIdentifier();
    byte[] tokenId = token.getIdentifier();
    identifier.readFields(new DataInputStream(new ByteArrayInputStream(tokenId)));
    LOG.info("A valid token should have non-null password, and should be renewed successfully");
    Assert.assertTrue(null != dtSecretManager.retrievePassword(identifier));
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    final String uri = WebHdfsFileSystem.SCHEME  + "://"
        + config.get("dfs.http.address");
    //get file system as JobTracker
    final UserGroupInformation ugi = UserGroupInformation.createUserForTesting(
        "JobTracker", new String[]{"user"});
    final WebHdfsFileSystem webhdfs = ugi.doAs(
        new PrivilegedExceptionAction<WebHdfsFileSystem>() {
      @Override
      public WebHdfsFileSystem run() throws Exception {
        return (WebHdfsFileSystem)FileSystem.get(new URI(uri), config);
      }
    });

    final Token<DelegationTokenIdentifier> token = webhdfs
        .getDelegationToken("JobTracker");
    DelegationTokenIdentifier identifier = new DelegationTokenIdentifier();
    byte[] tokenId = token.getIdentifier();
    identifier
        .readFields(new DataInputStream(new ByteArrayInputStream(tokenId)));
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