@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);
}
}
}
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;
}
}
}