Example #1
0
  @Test
  public void testVolumeQuota() throws Exception {
    final String VOLUME_NAME = "testVolumeQuota";

    client.createVolume(
        mrcAddress,
        auth,
        userCredentials,
        VOLUME_NAME,
        0,
        userCredentials.getUsername(),
        userCredentials.getGroups(0),
        AccessControlPolicyType.ACCESS_CONTROL_POLICY_NULL,
        StripingPolicyType.STRIPING_POLICY_RAID0,
        defaultStripingPolicy.getStripeSize(),
        defaultStripingPolicy.getWidth(),
        new ArrayList<KeyValuePair>());

    Volume volume = client.openVolume(VOLUME_NAME, null, options);
    volume.setXAttr(userCredentials, "/", "xtreemfs.quota", "8", XATTR_FLAGS.XATTR_FLAGS_CREATE);

    assertEquals("8", volume.getXAttr(userCredentials, "/", "xtreemfs.quota"));

    int flags =
        SYSTEM_V_FCNTL.SYSTEM_V_FCNTL_H_O_CREAT.getNumber()
            | SYSTEM_V_FCNTL.SYSTEM_V_FCNTL_H_O_RDWR.getNumber();

    byte[] content = "foo foo foo".getBytes(); // 11 bytes will exceed quota

    FileHandle file = volume.openFile(userCredentials, "/test1.txt", flags, 0777);

    boolean osdWriteException = false;
    try {
      file.write(userCredentials, content, content.length, 0);
    } catch (Exception ex) {
      osdWriteException = true;
    }

    if (!osdWriteException) {
      fail("OSD performed write operation although it exceeds the quota.");
    }

    content = "foo bar ".getBytes(); // 8 bytes to fit quota perfectly
    file.write(userCredentials, content, content.length, 0);
    file.close();

    try {
      file = volume.openFile(userCredentials, "/test2.txt", flags, 0777);
      assertTrue(false);
    } catch (PosixErrorException exc) {
      // check if right exception was thrown
      if (!exc.getMessage().contains("POSIX_ERROR_ENOSPC")) {
        assertTrue(false);
      }
    }
  }
Example #2
0
 private boolean isDirectory(Volume volume, String path) throws IOException {
   try {
     Stat stat = volume.getAttr(userCredentials, path);
     return (stat.getMode() & SYSTEM_V_FCNTL.SYSTEM_V_FCNTL_H_S_IFDIR.getNumber()) > 0;
   } catch (PosixErrorException pee) {
     if (pee.getPosixError().equals(POSIXErrno.POSIX_ERROR_ENOENT)) {
       return false;
     } else {
       throw pee;
     }
   }
 }