@Test public void testRenameFile() throws Exception { VOLUME_NAME = "testRenameFile"; String fileName = "testfile"; String renamedFileName = "renamed"; client.createVolume(mrcAddress, auth, userCredentials, VOLUME_NAME); Volume volume = client.openVolume(VOLUME_NAME, null, options); FileHandle fh = volume.openFile( userCredentials, fileName, SYSTEM_V_FCNTL.SYSTEM_V_FCNTL_H_O_CREAT.getNumber() | SYSTEM_V_FCNTL.SYSTEM_V_FCNTL_H_O_RDWR.getNumber(), 0777); fh.close(); // nothing should happen volume.rename(userCredentials, fileName, fileName); DirectoryEntries dir = volume.readDir(userCredentials, "/", 0, 100, true); assertEquals(fileName, dir.getEntries(2).getName()); assertEquals(3, dir.getEntriesCount()); volume.rename(userCredentials, fileName, renamedFileName); dir = volume.readDir(userCredentials, "/", 0, 100, true); assertEquals(renamedFileName, dir.getEntries(2).getName()); assertEquals(3, dir.getEntriesCount()); }
@Test public void testGetXattrSize() throws Exception { VOLUME_NAME = "testGetXattrSize"; String fileName = "testfile"; client.createVolume(mrcAddress, auth, userCredentials, VOLUME_NAME); Volume volume = client.openVolume(VOLUME_NAME, null, options); FileHandle fh = volume.openFile( userCredentials, fileName, SYSTEM_V_FCNTL.SYSTEM_V_FCNTL_H_O_CREAT.getNumber() | SYSTEM_V_FCNTL.SYSTEM_V_FCNTL_H_O_RDWR.getNumber() | SYSTEM_V_FCNTL.SYSTEM_V_FCNTL_H_O_SYNC.getNumber(), 0777); fh.close(); int size = volume.getXAttrSize(userCredentials, fileName, "xtreemfs.set_repl_update_policy"); assertEquals(0, size); size = volume.getXAttrSize(userCredentials, fileName, "xtreemfs.owner"); assertEquals(userCredentials.getUsername().length(), size); size = volume.getXAttrSize(userCredentials, fileName, "doesnt-exist"); assertEquals(-1, size); volume.setXAttr(userCredentials, fileName, "foo", "bar", XATTR_FLAGS.XATTR_FLAGS_CREATE); size = volume.getXAttrSize(userCredentials, fileName, "foo"); assertEquals(3, size); size = volume.getXAttrSize(userCredentials, fileName, "doesnt-exist-in-cache"); assertEquals(-1, size); }
@Test public void testReplicaAddListRemove() throws Exception { VOLUME_NAME = "testReplicaAddListRemove"; final String fileName = "testfile"; client.createVolume(mrcAddress, auth, userCredentials, VOLUME_NAME); Volume volume = client.openVolume(VOLUME_NAME, null, options); // set replication update policy of the file int flags = ReplicationFlags.setSequentialStrategy(0); flags = ReplicationFlags.setFullReplica(flags); volume.setDefaultReplicationPolicy( userCredentials, "/", ReplicaUpdatePolicies.REPL_UPDATE_PC_WARONE, 2, flags); FileHandle fileHandle = volume.openFile( userCredentials, fileName, SYSTEM_V_FCNTL.SYSTEM_V_FCNTL_H_O_CREAT.getNumber(), 0777); fileHandle.close(); assertEquals(2, volume.listReplicas(userCredentials, fileName).getReplicasCount()); String osdUUID = volume.getSuitableOSDs(userCredentials, fileName, 1).get(0); Replica replica = Replica.newBuilder() .addOsdUuids(osdUUID) .setStripingPolicy(defaultStripingPolicy) .setReplicationFlags(flags) .build(); volume.addReplica(userCredentials, fileName, replica); assertEquals(3, volume.listReplicas(userCredentials, fileName).getReplicasCount()); volume.removeReplica(userCredentials, fileName, replica.getOsdUuids(0)); assertEquals(2, volume.listReplicas(userCredentials, fileName).getReplicasCount()); }
@Test public void testSetGetListXattr() throws Exception { VOLUME_NAME = "testSetGetListXattr"; final String TESTFILE = "testfile"; client.createVolume(mrcAddress, auth, userCredentials, VOLUME_NAME); Volume volume = client.openVolume(VOLUME_NAME, null, options); FileHandle fh = volume.openFile( userCredentials, TESTFILE, SYSTEM_V_FCNTL.SYSTEM_V_FCNTL_H_O_CREAT.getNumber()); fh.close(); int initialNumberOfXattr = volume.listXAttrs(userCredentials, TESTFILE).getXattrsCount(); // This xattr should not exist String xattr = volume.getXAttr(userCredentials, TESTFILE, "foobarasdf"); assertNull(xattr); // and therefore should have no size assertEquals(-1, volume.getXAttrSize(userCredentials, TESTFILE, "foobarasdf")); // creating a new Xattr should increase the number of xattrs volume.setXAttr( userCredentials, TESTFILE, "foobarasdf", "nyancat", XATTR_FLAGS.XATTR_FLAGS_CREATE); assertEquals( initialNumberOfXattr + 1, volume.listXAttrs(userCredentials, TESTFILE).getXattrsCount()); xattr = volume.getXAttr(userCredentials, TESTFILE, "foobarasdf"); assertEquals("nyancat", xattr); // delete the created Xattr volume.removeXAttr(userCredentials, TESTFILE, "foobarasdf"); assertEquals( initialNumberOfXattr, volume.listXAttrs(userCredentials, TESTFILE).getXattrsCount()); xattr = volume.getXAttr(userCredentials, TESTFILE, "foobarasdf"); assertNull(xattr); // same with xtreemfs. attributes. try { xattr = volume.getXAttr(userCredentials, TESTFILE, "xtreemfs.nyancat"); fail("nyancat is not a valid system attribute"); } catch (Exception e) { } xattr = volume.getXAttr( userCredentials, TESTFILE, "xtreemfs." + SysAttrs.set_repl_update_policy.toString()); assertEquals(ReplicaUpdatePolicies.REPL_UPDATE_PC_NONE, xattr); // read existing systemflag xattr = volume.getXAttr(userCredentials, TESTFILE, "xtreemfs." + SysAttrs.object_type.toString()); assertEquals("1", xattr); }
@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); } } }
@Test(expected = PosixErrorException.class) public void testReadLinkWithoutLink() throws Exception { VOLUME_NAME = "testReadLinkWithoutLink"; String fileName = "testfile"; client.createVolume(mrcAddress, auth, userCredentials, VOLUME_NAME); Volume volume = client.openVolume(VOLUME_NAME, null, options); FileHandle fh = volume.openFile( userCredentials, fileName, SYSTEM_V_FCNTL.SYSTEM_V_FCNTL_H_O_CREAT.getNumber()); fh.close(); volume.readLink(userCredentials, fileName); }
@Test public void testTruncate() throws Exception { VOLUME_NAME = "testTruncate"; String fileName = "testfile"; String emptyFileName = "emptyFileName"; client.createVolume(mrcAddress, auth, userCredentials, VOLUME_NAME); Volume volume = client.openVolume(VOLUME_NAME, null, options); FileHandle fileHandle = volume.openFile( userCredentials, fileName, SYSTEM_V_FCNTL.SYSTEM_V_FCNTL_H_O_CREAT.getNumber() | SYSTEM_V_FCNTL.SYSTEM_V_FCNTL_H_O_RDWR.getNumber(), 0777); String data = "1234567890"; fileHandle.write(userCredentials, data.getBytes(), data.length(), 0); fileHandle.flush(); assertEquals(data.length(), volume.getAttr(userCredentials, fileName).getSize()); volume.truncate(userCredentials, fileName, 5); assertEquals(5, volume.getAttr(userCredentials, fileName).getSize()); fileHandle.close(); fileHandle = volume.openFile( userCredentials, emptyFileName, SYSTEM_V_FCNTL.SYSTEM_V_FCNTL_H_O_CREAT.getNumber() | SYSTEM_V_FCNTL.SYSTEM_V_FCNTL_H_O_RDWR.getNumber(), 0777); assertEquals(0, fileHandle.getAttr(userCredentials).getSize()); volume.truncate(userCredentials, emptyFileName, 1000); assertEquals(1000, fileHandle.getAttr(userCredentials).getSize()); fileHandle.close(); }
@Test public void testAccessSuccess() throws Exception { VOLUME_NAME = "testAccessSuccess"; String fileName = "testfile"; client.createVolume(mrcAddress, auth, userCredentials, VOLUME_NAME); Volume volume = client.openVolume(VOLUME_NAME, null, options); FileHandle fh = volume.openFile( userCredentials, fileName, SYSTEM_V_FCNTL.SYSTEM_V_FCNTL_H_O_CREAT.getNumber() | SYSTEM_V_FCNTL.SYSTEM_V_FCNTL_H_O_RDWR.getNumber(), 0753); fh.close(); volume.access(userCredentials, fileName, 0753); }
@Test public void testReadDirMultipleChunks() throws Exception { options.setReaddirChunkSize(2); VOLUME_NAME = "testReadDirMultipleChunks"; final String TESTFILE = "test"; final int fileCount = 10; // create volume 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); // create some files for (int i = 0; i < fileCount; i++) { FileHandle fh = volume.openFile( userCredentials, "/" + TESTFILE + i, SYSTEM_V_FCNTL.SYSTEM_V_FCNTL_H_O_CREAT.getNumber()); fh.close(); } // test 'readDir' across multiple readDir chunks. DirectoryEntries entrySet = null; entrySet = volume.readDir(userCredentials, "/", 0, 1000, false); assertEquals(2 + fileCount, entrySet.getEntriesCount()); assertEquals("..", entrySet.getEntries(0).getName()); assertEquals(".", entrySet.getEntries(1).getName()); for (int i = 0; i < fileCount; i++) { assertEquals(TESTFILE + i, entrySet.getEntries(2 + i).getName()); } }
@Test public void testReadLinkWithLink() throws Exception { VOLUME_NAME = "testReadLinkWithLink"; String fileName = "testfile"; String linkName = "linkToFile"; client.createVolume(mrcAddress, auth, userCredentials, VOLUME_NAME); Volume volume = client.openVolume(VOLUME_NAME, null, options); FileHandle fh = volume.openFile( userCredentials, fileName, SYSTEM_V_FCNTL.SYSTEM_V_FCNTL_H_O_CREAT.getNumber() | SYSTEM_V_FCNTL.SYSTEM_V_FCNTL_H_O_RDWR.getNumber(), 0777); fh.close(); volume.symlink(userCredentials, fileName, linkName); assertEquals(fileName, volume.readLink(userCredentials, linkName)); }
/** * Test if files inherit the group from its parent if the setgid bit is set, and if subdirectories * inherit the group and the setgid bit. */ @Test public void testSetgid() throws Exception { VOLUME_NAME = "testSetgid"; client.createVolume(mrcAddress, auth, userCredentials, VOLUME_NAME); Volume volume = client.openVolume(VOLUME_NAME, null, options); volume.createDirectory(userCredentials, "/DIR1", 0777); Stat stat; stat = volume.getAttr(userCredentials, "/DIR1"); int mode = stat.getMode() | 02000; stat = stat.toBuilder().setGroupId("foobar").setMode(mode).build(); UserCredentials rootCreds = userCredentials.toBuilder().setUsername("root").setGroups(0, "root").build(); volume.setAttr( rootCreds, "/DIR1", stat, Setattrs.SETATTR_MODE.getNumber() | Setattrs.SETATTR_GID.getNumber()); // Test if the setgid bit and the group is set stat = volume.getAttr(userCredentials, "/DIR1"); assertEquals(02000, stat.getMode() & 02000); assertEquals("foobar", stat.getGroupId()); // Test if new subdirectories inherit the setgid bit and the group volume.createDirectory(userCredentials, "/DIR1/DIR2", 0777); stat = volume.getAttr(userCredentials, "/DIR1/DIR2"); assertEquals(02000, stat.getMode() & 02000); assertEquals("foobar", stat.getGroupId()); // Test if new files inherit the group FileHandle fh = volume.openFile( userCredentials, "/DIR1/FILE1", SYSTEM_V_FCNTL.SYSTEM_V_FCNTL_H_O_CREAT.getNumber()); fh.close(); stat = volume.getAttr(userCredentials, "/DIR1/FILE1"); assertEquals("foobar", stat.getGroupId()); volume.close(); }
/** * @param args args[0] = URL to existing volume e.g., pbrpcs://localhost/regular * @return * @throws Exception */ public static void main(String[] args) { if (args.length < 1) { System.out.println("usage: <URL to existing volume e.g., pbrpcs://localhost/regular>"); return; } Client client = null; FileHandle fileHandle = null; try { // Parse command line parameter. int lastSlashIndex = args[0].lastIndexOf('/'); final ONCRPCServiceURL url = new ONCRPCServiceURL( args[0].substring(0, lastSlashIndex), Schemes.SCHEME_PBRPC, PORTS.DIR_PBRPC_PORT_DEFAULT.getNumber()); final String volumeName = args[0].substring(lastSlashIndex + 1); // Init libxtreemfs final Options options = new Options(); final UserCredentials userCredentials = UserCredentials.newBuilder() .setUsername(System.getProperty("user.name")) .addGroups("root") .build(); final SSLOptions sslOptions = url.getProtocol().equals(Schemes.SCHEME_PBRPC) ? null : new SSLOptions( new FileInputStream(CERT_DIR + "Client.p12"), "passphrase", SSLOptions.PKCS12_CONTAINER, new FileInputStream(CERT_DIR + "trusted.jks"), "passphrase", SSLOptions.JKS_CONTAINER, false, false, null); // Alternatively, specify own certificate files for debugging: // final SSLOptions sslOptions = new SSLOptions( // new FileInputStream( // "/home/mberlin/ZIB/XtreemFS/tasks archive/2013-08-05 Debug SSL // issues/xtfsclient/config/xtfs-vm-certs/TestUser01.p12"), // "test123", // SSLOptions.PKCS12_CONTAINER, // new FileInputStream( // "/home/mberlin/ZIB/XtreemFS/tasks archive/2013-08-05 Debug SSL // issues/xtfsclient/config/xtfs-vm-certs/trusted.jks"), // "J9AUcbrdVkFg75kcqumz", SSLOptions.JKS_CONTAINER, false, false, null); Logging.start(Logging.LEVEL_WARN); client = ClientFactory.createClient( url.getHost() + ":" + url.getPort(), userCredentials, sslOptions, options); client.start(); Volume volume = client.openVolume(volumeName, sslOptions, options); // Open a file. fileHandle = volume.openFile( userCredentials, "/example_libxtreemfs_test_" + String.format("%03d", (int) (Math.random() * 1000)) + ".bin", SYSTEM_V_FCNTL.SYSTEM_V_FCNTL_H_O_CREAT.getNumber() | SYSTEM_V_FCNTL.SYSTEM_V_FCNTL_H_O_EXCL.getNumber() | SYSTEM_V_FCNTL.SYSTEM_V_FCNTL_H_O_RDWR.getNumber(), 0644); // Init chunk to be written. byte[] data = new byte[1 << 17]; // 128 kB chunk. Arrays.fill(data, (byte) 0xAB); // Write 1 MB to file. for (int offset = 0; offset < (1 << 20); offset += data.length) { fileHandle.write(userCredentials, data, data.length, offset); } // Read 1 MB from file. byte[] readData = new byte[data.length]; for (int offset = 0; offset < (1 << 20); offset += data.length) { int readCount = fileHandle.read(userCredentials, readData, data.length, offset); if (readCount != data.length) { throw new IOException( "Read less data than expected: " + readCount + " bytes instead of: " + data.length); } if (!Arrays.equals(readData, data)) { throw new IOException("Read data differs from written chunk at offset: " + offset); } } } catch (Exception e) { System.err.println( "An error occurred: " + e.getMessage() + "\n Full Stacktrace:\n" + e.getStackTrace()); return; } finally { if (fileHandle != null) { try { fileHandle.close(); } catch (IOException e) { System.err.println( "Failed to close() the file: " + e.getMessage() + "\n Full Stacktrace:\n" + e.getStackTrace()); return; } } if (client != null) { client.shutdown(); } System.out.println("If no errors are shown, the example was successfully executed."); } return; }
@Test public void testGetSetAttr() throws Exception { VOLUME_NAME = "testGetSetAttr"; final String TESTFILE = "testfile"; final String TESTDIR = "testdir"; final int TESTMODE = 0731; client.createVolume(mrcAddress, auth, userCredentials, VOLUME_NAME); Volume volume = client.openVolume(VOLUME_NAME, null, options); volume.createDirectory(userCredentials, TESTDIR, TESTMODE); FileHandle fh = volume.openFile( userCredentials, TESTDIR + "/" + TESTFILE, SYSTEM_V_FCNTL.SYSTEM_V_FCNTL_H_O_CREAT.getNumber(), TESTMODE); fh.close(); Stat stat = volume.getAttr(userCredentials, TESTDIR); assertEquals(userCredentials.getUsername(), stat.getUserId()); assertEquals(userCredentials.getGroups(0), stat.getGroupId()); assertEquals(0, stat.getSize()); assertTrue(stat.getAtimeNs() > 0); assertTrue(stat.getCtimeNs() > 0); assertTrue(stat.getMtimeNs() > 0); assertTrue((stat.getMode() & TESTMODE) > 0); assertEquals(1, stat.getNlink()); stat = volume.getAttr(userCredentials, TESTDIR + "/" + TESTFILE); assertEquals(userCredentials.getUsername(), stat.getUserId()); assertEquals(userCredentials.getGroups(0), stat.getGroupId()); assertEquals(0, stat.getSize()); assertTrue(stat.getAtimeNs() > 0); assertTrue(stat.getCtimeNs() > 0); assertTrue(stat.getMtimeNs() > 0); assertTrue((stat.getMode() & TESTMODE) == TESTMODE); assertEquals(1, stat.getNlink()); stat = stat.toBuilder().setGroupId("foobar").setUserId("FredFoobar").build(); try { volume.setAttr( userCredentials, TESTDIR, stat, Setattrs.SETATTR_UID.getNumber() | Setattrs.SETATTR_GID.getNumber()); fail("changing username and groups should be restricted to superuser"); } catch (PosixErrorException e) { } UserCredentials rootCreds = userCredentials.toBuilder().setUsername("root").setGroups(0, "root").build(); volume.setAttr( rootCreds, TESTDIR, stat, Setattrs.SETATTR_UID.getNumber() | Setattrs.SETATTR_GID.getNumber()); stat = volume.getAttr(userCredentials, TESTDIR); assertEquals("FredFoobar", stat.getUserId()); assertEquals("foobar", stat.getGroupId()); assertTrue((stat.getMode() & TESTMODE) > 0); stat = stat.toBuilder().setMode(0777).build(); volume.setAttr( userCredentials, TESTDIR + "/" + TESTFILE, stat, Setattrs.SETATTR_MODE.getNumber()); stat = volume.getAttr(userCredentials, TESTDIR + "/" + TESTFILE); assertTrue((stat.getMode() & 0777) == 0777); }
@Test public void testCreateDelete() throws Exception { VOLUME_NAME = "testCreateDelete"; // Both directories should be created under "/" final String DIR1 = "/testdir1"; final String DIR2 = "testdir2"; final String TESTFILE = "testfile"; // create volume 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); // create some files and directories try { volume.createDirectory(userCredentials, DIR1, 0755); volume.createDirectory(userCredentials, DIR2, 0755); } catch (IOException ioe) { fail("failed to create testdirs"); } for (int i = 0; i < 10; i++) { FileHandle fh = volume.openFile( userCredentials, DIR1 + "/" + TESTFILE + i, SYSTEM_V_FCNTL.SYSTEM_V_FCNTL_H_O_CREAT.getNumber()); fh.close(); } // // try to create a file w/o a name try { volume.openFile(userCredentials, "", SYSTEM_V_FCNTL.SYSTEM_V_FCNTL_H_O_CREAT.getNumber()); fail("missing filename"); } catch (Exception e) { } // try to create an already existing file try { volume.openFile( userCredentials, DIR1 + "/" + TESTFILE + "1", SYSTEM_V_FCNTL.SYSTEM_V_FCNTL_H_O_EXCL.getNumber() | SYSTEM_V_FCNTL.SYSTEM_V_FCNTL_H_O_CREAT.getNumber()); fail("file already exists"); } catch (Exception e) { } // file in file creation should fail try { volume.openFile( userCredentials, DIR1 + "/" + TESTFILE + "1/foo.txt", SYSTEM_V_FCNTL.SYSTEM_V_FCNTL_H_O_CREAT.getNumber()); fail("file in file creation"); } catch (Exception e) { } // should fail try { volume.createDirectory(userCredentials, "/", 0); fail("directory already exists"); } catch (PosixErrorException exc) { } // test 'readDir' and 'stat' DirectoryEntries entrySet = null; entrySet = volume.readDir(userCredentials, "", 0, 1000, false); assertEquals(4, entrySet.getEntriesCount()); assertEquals("..", entrySet.getEntries(0).getName()); assertEquals(".", entrySet.getEntries(1).getName()); assertEquals(DIR1, "/" + entrySet.getEntries(2).getName()); assertEquals("/" + DIR2, "/" + entrySet.getEntries(3).getName()); entrySet = volume.readDir(userCredentials, DIR1, 0, 1000, false); assertEquals(12, entrySet.getEntriesCount()); // test 'delete' volume.unlink(userCredentials, DIR1 + "/" + TESTFILE + "4"); entrySet = volume.readDir(userCredentials, DIR1, 0, 1000, false); assertEquals(11, entrySet.getEntriesCount()); volume.removeDirectory(userCredentials, DIR2); entrySet = volume.readDir(userCredentials, "", 0, 1000, false); assertEquals(3, entrySet.getEntriesCount()); }
@Test public void testGetStripeLocationsWithMultipleStripes() throws Exception { VOLUME_NAME = "testGetStripeLocatationsWithMultipleStripes"; client.createVolume( mrcAddress, auth, userCredentials, VOLUME_NAME, 0777, userCredentials.getUsername(), userCredentials.getGroups(0), AccessControlPolicyType.ACCESS_CONTROL_POLICY_POSIX, StripingPolicyType.STRIPING_POLICY_RAID0, 2, 1, new ArrayList<GlobalTypes.KeyValuePair>()); Volume volume = client.openVolume(VOLUME_NAME, options.generateSSLOptions(), options); // set replication update policy of the file int replicationFlags = ReplicationFlags.setSequentialStrategy(0); replicationFlags = ReplicationFlags.setFullReplica(replicationFlags); volume.setDefaultReplicationPolicy( userCredentials, "/", ReplicaUpdatePolicies.REPL_UPDATE_PC_RONLY, 2, replicationFlags); // create new striping policy with width 2 StripingPolicy stripingPolicy = StripingPolicy.newBuilder() .setStripeSize(2) .setWidth(2) .setType(StripingPolicyType.STRIPING_POLICY_RAID0) .build(); // create file final String FILENAME = "/foobar.tzt"; int flags = SYSTEM_V_FCNTL.SYSTEM_V_FCNTL_H_O_CREAT.getNumber(); FileHandle fileHandle = volume.openFile(userCredentials, FILENAME, flags, 0777); // write more than 2kb to the byte to ensure the second stripe is used byte[] data = new byte[3000]; for (int i = 0; i < data.length; i++) { data[i] = 'F'; } fileHandle.write(userCredentials, data, data.length, 0); fileHandle.close(); // create replica and add it List<String> suitableOsds = volume.getSuitableOSDs(userCredentials, FILENAME, 2); Replica replica = Replica.newBuilder() .setReplicationFlags(replicationFlags) .setStripingPolicy(stripingPolicy) .addAllOsdUuids(suitableOsds) .build(); volume.addReplica(userCredentials, FILENAME, replica); List<StripeLocation> stripeLocations = volume.getStripeLocations(userCredentials, FILENAME, 0, 4000); assertEquals(2, stripeLocations.size()); assertEquals(3, stripeLocations.get(0).getUuids().length); assertEquals(3, stripeLocations.get(0).getHostnames().length); assertEquals(0, stripeLocations.get(0).getStartSize()); assertEquals(2048, stripeLocations.get(0).getLength()); assertEquals(2048, stripeLocations.get(1).getStartSize()); assertEquals(4000 - 2048, stripeLocations.get(1).getLength()); assertEquals(stripeLocations.get(0).getUuids()[0], stripeLocations.get(1).getUuids()[0]); assertEquals(stripeLocations.get(0).getUuids()[1], stripeLocations.get(1).getUuids()[1]); assertNotSame(stripeLocations.get(0).getUuids()[2], stripeLocations.get(1).getUuids()[2]); }
@Test public void testGetStripeLocations() throws Exception { VOLUME_NAME = "testGetStripeLocatations"; client.createVolume(mrcAddress, auth, userCredentials, VOLUME_NAME); Volume volume = client.openVolume(VOLUME_NAME, null, options); // set replication update policy of the file int flags = ReplicationFlags.setSequentialStrategy(0); flags = ReplicationFlags.setFullReplica(flags); volume.setDefaultReplicationPolicy( userCredentials, "/", ReplicaUpdatePolicies.REPL_UPDATE_PC_RONLY, 2, flags); final String FILENAME = "/foobar.tzt"; FileHandle fileHandle = volume.openFile( userCredentials, FILENAME, SYSTEM_V_FCNTL.SYSTEM_V_FCNTL_H_O_CREAT.getNumber(), 0777); byte[] data = new byte[6]; for (int i = 0; i < data.length; i++) { data[i] = (byte) "FOOBAR".charAt(i); } fileHandle.write(userCredentials, data, data.length, 0); fileHandle.close(); List<StripeLocation> stripeLocations = volume.getStripeLocations(userCredentials, FILENAME, 0, 100); assertEquals(1, stripeLocations.size()); assertEquals(2, stripeLocations.get(0).getUuids().length); assertEquals(2, stripeLocations.get(0).getHostnames().length); assertEquals(0, stripeLocations.get(0).getStartSize()); assertEquals(100, stripeLocations.get(0).getLength()); stripeLocations = volume.getStripeLocations(userCredentials, FILENAME, 200, 123); assertEquals(1, stripeLocations.size()); assertEquals(2, stripeLocations.get(0).getUuids().length); assertEquals(2, stripeLocations.get(0).getHostnames().length); assertEquals(200, stripeLocations.get(0).getStartSize()); assertEquals(123, stripeLocations.get(0).getLength()); List<String> suitableOsds = volume.getSuitableOSDs(userCredentials, FILENAME, 1); Replica replica = Replica.newBuilder() .setStripingPolicy(defaultStripingPolicy) .setReplicationFlags(flags) .addOsdUuids(suitableOsds.get(0)) .build(); volume.addReplica(userCredentials, FILENAME, replica); stripeLocations = volume.getStripeLocations(userCredentials, FILENAME, 0, 100); assertEquals(1, stripeLocations.size()); assertEquals(3, stripeLocations.get(0).getUuids().length); assertEquals(3, stripeLocations.get(0).getHostnames().length); assertEquals(0, stripeLocations.get(0).getStartSize()); assertEquals(100, stripeLocations.get(0).getLength()); stripeLocations = volume.getStripeLocations(userCredentials, FILENAME, 200, 123); assertEquals(1, stripeLocations.size()); assertEquals(3, stripeLocations.get(0).getUuids().length); assertEquals(3, stripeLocations.get(0).getHostnames().length); assertEquals(200, stripeLocations.get(0).getStartSize()); assertEquals(123, stripeLocations.get(0).getLength()); volume.close(); }