| /** |
| * Licensed to the Apache Software Foundation (ASF) under one |
| * or more contributor license agreements. See the NOTICE file |
| * distributed with this work for additional information |
| * regarding copyright ownership. The ASF licenses this file |
| * to you under the Apache License, Version 2.0 (the |
| * "License"); you may not use this file except in compliance |
| * with the License. You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| package org.apache.hadoop.hdfs; |
| |
| import java.io.ByteArrayOutputStream; |
| import java.io.File; |
| import java.io.IOException; |
| import java.io.PrintStream; |
| import java.io.PrintWriter; |
| import java.io.RandomAccessFile; |
| import java.io.StringReader; |
| import java.io.StringWriter; |
| import java.net.URI; |
| import java.security.PrivilegedExceptionAction; |
| import java.util.ArrayList; |
| import java.util.Arrays; |
| import java.util.List; |
| import java.util.concurrent.Callable; |
| import java.util.concurrent.CountDownLatch; |
| import java.util.concurrent.ExecutionException; |
| import java.util.concurrent.ExecutorService; |
| import java.util.concurrent.Executors; |
| import java.util.concurrent.Future; |
| |
| import com.google.common.collect.Lists; |
| import org.apache.hadoop.conf.Configuration; |
| import org.apache.hadoop.crypto.CipherSuite; |
| import org.apache.hadoop.crypto.CryptoProtocolVersion; |
| import org.apache.hadoop.crypto.key.JavaKeyStoreProvider; |
| import org.apache.hadoop.crypto.key.KeyProvider; |
| import org.apache.hadoop.crypto.key.KeyProviderFactory; |
| import org.apache.hadoop.fs.CommonConfigurationKeysPublic; |
| import org.apache.hadoop.fs.CreateFlag; |
| import org.apache.hadoop.fs.FSDataOutputStream; |
| import org.apache.hadoop.fs.FSTestWrapper; |
| import org.apache.hadoop.fs.FileContext; |
| import org.apache.hadoop.fs.FileContextTestWrapper; |
| import org.apache.hadoop.fs.FileEncryptionInfo; |
| import org.apache.hadoop.fs.FileStatus; |
| import org.apache.hadoop.fs.FileSystem; |
| import org.apache.hadoop.fs.FileSystemTestHelper; |
| import org.apache.hadoop.fs.FileSystemTestWrapper; |
| import org.apache.hadoop.fs.Path; |
| import org.apache.hadoop.fs.RemoteIterator; |
| import org.apache.hadoop.fs.permission.FsPermission; |
| import org.apache.hadoop.hdfs.client.HdfsAdmin; |
| import org.apache.hadoop.hdfs.protocol.ClientProtocol; |
| import org.apache.hadoop.hdfs.protocol.EncryptionZone; |
| import org.apache.hadoop.hdfs.protocol.HdfsFileStatus; |
| import org.apache.hadoop.hdfs.protocol.LocatedBlocks; |
| import org.apache.hadoop.hdfs.protocol.HdfsConstants.SafeModeAction; |
| import org.apache.hadoop.hdfs.server.namenode.EncryptionFaultInjector; |
| import org.apache.hadoop.hdfs.server.namenode.EncryptionZoneManager; |
| import org.apache.hadoop.hdfs.server.namenode.FSImageTestUtil; |
| import org.apache.hadoop.hdfs.server.namenode.NamenodeFsck; |
| import org.apache.hadoop.hdfs.tools.DFSck; |
| import org.apache.hadoop.hdfs.tools.offlineImageViewer.PBImageXmlWriter; |
| import org.apache.hadoop.hdfs.web.WebHdfsFileSystem; |
| import org.apache.hadoop.hdfs.web.WebHdfsTestUtil; |
| import org.apache.hadoop.io.EnumSetWritable; |
| import org.apache.hadoop.security.AccessControlException; |
| import org.apache.hadoop.security.Credentials; |
| import org.apache.hadoop.security.UserGroupInformation; |
| import org.apache.hadoop.security.token.Token; |
| import org.apache.hadoop.util.ToolRunner; |
| import org.apache.hadoop.crypto.key.KeyProviderDelegationTokenExtension.DelegationTokenExtension; |
| import org.apache.hadoop.crypto.key.KeyProviderCryptoExtension.CryptoExtension; |
| import org.apache.hadoop.io.Text; |
| import org.apache.log4j.Level; |
| import org.apache.log4j.Logger; |
| import org.junit.After; |
| import org.junit.Assert; |
| import org.junit.Before; |
| import org.junit.Test; |
| import org.mockito.Mockito; |
| |
| import static org.mockito.Matchers.anyBoolean; |
| import static org.mockito.Matchers.anyLong; |
| import static org.mockito.Matchers.anyObject; |
| import static org.mockito.Matchers.anyShort; |
| import static org.mockito.Mockito.withSettings; |
| import static org.mockito.Mockito.any; |
| import static org.mockito.Mockito.anyString; |
| |
| import static org.apache.hadoop.hdfs.DFSTestUtil.verifyFilesEqual; |
| import static org.apache.hadoop.test.GenericTestUtils.assertExceptionContains; |
| import static org.junit.Assert.assertEquals; |
| import static org.junit.Assert.assertFalse; |
| import static org.junit.Assert.assertNotEquals; |
| import static org.junit.Assert.assertNull; |
| import static org.junit.Assert.assertTrue; |
| import static org.junit.Assert.fail; |
| import org.xml.sax.InputSource; |
| import org.xml.sax.helpers.DefaultHandler; |
| |
| import javax.xml.parsers.SAXParser; |
| import javax.xml.parsers.SAXParserFactory; |
| |
| public class TestEncryptionZones { |
| |
| private Configuration conf; |
| private FileSystemTestHelper fsHelper; |
| |
| private MiniDFSCluster cluster; |
| private HdfsAdmin dfsAdmin; |
| protected DistributedFileSystem fs; |
| private File testRootDir; |
| private final String TEST_KEY = "testKey"; |
| |
| protected FileSystemTestWrapper fsWrapper; |
| protected FileContextTestWrapper fcWrapper; |
| |
| protected String getKeyProviderURI() { |
| return JavaKeyStoreProvider.SCHEME_NAME + "://file" + |
| new Path(testRootDir.toString(), "test.jks").toUri(); |
| } |
| |
| @Before |
| public void setup() throws Exception { |
| conf = new HdfsConfiguration(); |
| fsHelper = new FileSystemTestHelper(); |
| // Set up java key store |
| String testRoot = fsHelper.getTestRootDir(); |
| testRootDir = new File(testRoot).getAbsoluteFile(); |
| conf.set(DFSConfigKeys.DFS_ENCRYPTION_KEY_PROVIDER_URI, getKeyProviderURI()); |
| conf.setBoolean(DFSConfigKeys.DFS_NAMENODE_DELEGATION_TOKEN_ALWAYS_USE_KEY, true); |
| // Lower the batch size for testing |
| conf.setInt(DFSConfigKeys.DFS_NAMENODE_LIST_ENCRYPTION_ZONES_NUM_RESPONSES, |
| 2); |
| cluster = new MiniDFSCluster.Builder(conf).numDataNodes(1).build(); |
| Logger.getLogger(EncryptionZoneManager.class).setLevel(Level.TRACE); |
| fs = cluster.getFileSystem(); |
| fsWrapper = new FileSystemTestWrapper(fs); |
| fcWrapper = new FileContextTestWrapper( |
| FileContext.getFileContext(cluster.getURI(), conf)); |
| dfsAdmin = new HdfsAdmin(cluster.getURI(), conf); |
| setProvider(); |
| // Create a test key |
| DFSTestUtil.createKey(TEST_KEY, cluster, conf); |
| } |
| |
| protected void setProvider() { |
| // Need to set the client's KeyProvider to the NN's for JKS, |
| // else the updates do not get flushed properly |
| fs.getClient().provider = cluster.getNameNode().getNamesystem() |
| .getProvider(); |
| } |
| |
| @After |
| public void teardown() { |
| if (cluster != null) { |
| cluster.shutdown(); |
| } |
| EncryptionFaultInjector.instance = new EncryptionFaultInjector(); |
| } |
| |
| public void assertNumZones(final int numZones) throws IOException { |
| RemoteIterator<EncryptionZone> it = dfsAdmin.listEncryptionZones(); |
| int count = 0; |
| while (it.hasNext()) { |
| count++; |
| it.next(); |
| } |
| assertEquals("Unexpected number of encryption zones!", numZones, count); |
| } |
| |
| /** |
| * Checks that an encryption zone with the specified keyName and path (if not |
| * null) is present. |
| * |
| * @throws IOException if a matching zone could not be found |
| */ |
| public void assertZonePresent(String keyName, String path) throws IOException { |
| final RemoteIterator<EncryptionZone> it = dfsAdmin.listEncryptionZones(); |
| boolean match = false; |
| while (it.hasNext()) { |
| EncryptionZone zone = it.next(); |
| boolean matchKey = (keyName == null); |
| boolean matchPath = (path == null); |
| if (keyName != null && zone.getKeyName().equals(keyName)) { |
| matchKey = true; |
| } |
| if (path != null && zone.getPath().equals(path)) { |
| matchPath = true; |
| } |
| if (matchKey && matchPath) { |
| match = true; |
| break; |
| } |
| } |
| assertTrue("Did not find expected encryption zone with keyName " + keyName + |
| " path " + path, match |
| ); |
| } |
| |
| @Test(timeout = 60000) |
| public void testBasicOperations() throws Exception { |
| |
| int numZones = 0; |
| |
| /* Test failure of create EZ on a directory that doesn't exist. */ |
| final Path zoneParent = new Path("/zones"); |
| final Path zone1 = new Path(zoneParent, "zone1"); |
| try { |
| dfsAdmin.createEncryptionZone(zone1, TEST_KEY); |
| fail("expected /test doesn't exist"); |
| } catch (IOException e) { |
| assertExceptionContains("cannot find", e); |
| } |
| |
| /* Normal creation of an EZ */ |
| fsWrapper.mkdir(zone1, FsPermission.getDirDefault(), true); |
| dfsAdmin.createEncryptionZone(zone1, TEST_KEY); |
| assertNumZones(++numZones); |
| assertZonePresent(null, zone1.toString()); |
| |
| /* Test failure of create EZ on a directory which is already an EZ. */ |
| try { |
| dfsAdmin.createEncryptionZone(zone1, TEST_KEY); |
| } catch (IOException e) { |
| assertExceptionContains("already in an encryption zone", e); |
| } |
| |
| /* Test failure of create EZ operation in an existing EZ. */ |
| final Path zone1Child = new Path(zone1, "child"); |
| fsWrapper.mkdir(zone1Child, FsPermission.getDirDefault(), false); |
| try { |
| dfsAdmin.createEncryptionZone(zone1Child, TEST_KEY); |
| fail("EZ in an EZ"); |
| } catch (IOException e) { |
| assertExceptionContains("already in an encryption zone", e); |
| } |
| |
| /* create EZ on parent of an EZ should fail */ |
| try { |
| dfsAdmin.createEncryptionZone(zoneParent, TEST_KEY); |
| fail("EZ over an EZ"); |
| } catch (IOException e) { |
| assertExceptionContains("encryption zone for a non-empty directory", e); |
| } |
| |
| /* create EZ on a folder with a folder fails */ |
| final Path notEmpty = new Path("/notEmpty"); |
| final Path notEmptyChild = new Path(notEmpty, "child"); |
| fsWrapper.mkdir(notEmptyChild, FsPermission.getDirDefault(), true); |
| try { |
| dfsAdmin.createEncryptionZone(notEmpty, TEST_KEY); |
| fail("Created EZ on an non-empty directory with folder"); |
| } catch (IOException e) { |
| assertExceptionContains("create an encryption zone", e); |
| } |
| fsWrapper.delete(notEmptyChild, false); |
| |
| /* create EZ on a folder with a file fails */ |
| fsWrapper.createFile(notEmptyChild); |
| try { |
| dfsAdmin.createEncryptionZone(notEmpty, TEST_KEY); |
| fail("Created EZ on an non-empty directory with file"); |
| } catch (IOException e) { |
| assertExceptionContains("create an encryption zone", e); |
| } |
| |
| /* Test failure of create EZ on a file. */ |
| try { |
| dfsAdmin.createEncryptionZone(notEmptyChild, TEST_KEY); |
| fail("Created EZ on a file"); |
| } catch (IOException e) { |
| assertExceptionContains("create an encryption zone for a file.", e); |
| } |
| |
| /* Test failure of creating an EZ passing a key that doesn't exist. */ |
| final Path zone2 = new Path("/zone2"); |
| fsWrapper.mkdir(zone2, FsPermission.getDirDefault(), false); |
| final String myKeyName = "mykeyname"; |
| try { |
| dfsAdmin.createEncryptionZone(zone2, myKeyName); |
| fail("expected key doesn't exist"); |
| } catch (IOException e) { |
| assertExceptionContains("doesn't exist.", e); |
| } |
| |
| /* Test failure of empty and null key name */ |
| try { |
| dfsAdmin.createEncryptionZone(zone2, ""); |
| fail("created a zone with empty key name"); |
| } catch (IOException e) { |
| assertExceptionContains("Must specify a key name when creating", e); |
| } |
| try { |
| dfsAdmin.createEncryptionZone(zone2, null); |
| fail("created a zone with null key name"); |
| } catch (IOException e) { |
| assertExceptionContains("Must specify a key name when creating", e); |
| } |
| |
| assertNumZones(1); |
| |
| /* Test success of creating an EZ when they key exists. */ |
| DFSTestUtil.createKey(myKeyName, cluster, conf); |
| dfsAdmin.createEncryptionZone(zone2, myKeyName); |
| assertNumZones(++numZones); |
| assertZonePresent(myKeyName, zone2.toString()); |
| |
| /* Test failure of create encryption zones as a non super user. */ |
| final UserGroupInformation user = UserGroupInformation. |
| createUserForTesting("user", new String[] { "mygroup" }); |
| final Path nonSuper = new Path("/nonSuper"); |
| fsWrapper.mkdir(nonSuper, FsPermission.getDirDefault(), false); |
| |
| user.doAs(new PrivilegedExceptionAction<Object>() { |
| @Override |
| public Object run() throws Exception { |
| final HdfsAdmin userAdmin = |
| new HdfsAdmin(FileSystem.getDefaultUri(conf), conf); |
| try { |
| userAdmin.createEncryptionZone(nonSuper, TEST_KEY); |
| fail("createEncryptionZone is superuser-only operation"); |
| } catch (AccessControlException e) { |
| assertExceptionContains("Superuser privilege is required", e); |
| } |
| return null; |
| } |
| }); |
| |
| // Test success of creating an encryption zone a few levels down. |
| Path deepZone = new Path("/d/e/e/p/zone"); |
| fsWrapper.mkdir(deepZone, FsPermission.getDirDefault(), true); |
| dfsAdmin.createEncryptionZone(deepZone, TEST_KEY); |
| assertNumZones(++numZones); |
| assertZonePresent(null, deepZone.toString()); |
| |
| // Create and list some zones to test batching of listEZ |
| for (int i=1; i<6; i++) { |
| final Path zonePath = new Path("/listZone" + i); |
| fsWrapper.mkdir(zonePath, FsPermission.getDirDefault(), false); |
| dfsAdmin.createEncryptionZone(zonePath, TEST_KEY); |
| numZones++; |
| assertNumZones(numZones); |
| assertZonePresent(null, zonePath.toString()); |
| } |
| |
| fs.setSafeMode(SafeModeAction.SAFEMODE_ENTER); |
| fs.saveNamespace(); |
| fs.setSafeMode(SafeModeAction.SAFEMODE_LEAVE); |
| cluster.restartNameNode(true); |
| assertNumZones(numZones); |
| assertZonePresent(null, zone1.toString()); |
| |
| // Verify newly added ez is present after restarting the NameNode |
| // without persisting the namespace. |
| Path nonpersistZone = new Path("/nonpersistZone"); |
| fsWrapper.mkdir(nonpersistZone, FsPermission.getDirDefault(), false); |
| dfsAdmin.createEncryptionZone(nonpersistZone, TEST_KEY); |
| numZones++; |
| cluster.restartNameNode(true); |
| assertNumZones(numZones); |
| assertZonePresent(null, nonpersistZone.toString()); |
| } |
| |
| @Test(timeout = 60000) |
| public void testBasicOperationsRootDir() throws Exception { |
| int numZones = 0; |
| final Path rootDir = new Path("/"); |
| final Path zone1 = new Path(rootDir, "zone1"); |
| |
| /* Normal creation of an EZ on rootDir */ |
| dfsAdmin.createEncryptionZone(rootDir, TEST_KEY); |
| assertNumZones(++numZones); |
| assertZonePresent(null, rootDir.toString()); |
| |
| /* create EZ on child of rootDir which is already an EZ should fail */ |
| fsWrapper.mkdir(zone1, FsPermission.getDirDefault(), true); |
| try { |
| dfsAdmin.createEncryptionZone(zone1, TEST_KEY); |
| fail("EZ over an EZ"); |
| } catch (IOException e) { |
| assertExceptionContains("already in an encryption zone", e); |
| } |
| |
| // Verify rootDir ez is present after restarting the NameNode |
| // and saving/loading from fsimage. |
| fs.setSafeMode(SafeModeAction.SAFEMODE_ENTER); |
| fs.saveNamespace(); |
| fs.setSafeMode(SafeModeAction.SAFEMODE_LEAVE); |
| cluster.restartNameNode(true); |
| assertNumZones(numZones); |
| assertZonePresent(null, rootDir.toString()); |
| |
| /* create EZ on child of rootDir which is already an EZ should fail */ |
| try { |
| dfsAdmin.createEncryptionZone(zone1, TEST_KEY); |
| fail("EZ over an EZ"); |
| } catch (IOException e) { |
| assertExceptionContains("already in an encryption zone", e); |
| } |
| } |
| |
| /** |
| * Test listing encryption zones as a non super user. |
| */ |
| @Test(timeout = 60000) |
| public void testListEncryptionZonesAsNonSuperUser() throws Exception { |
| |
| final UserGroupInformation user = UserGroupInformation. |
| createUserForTesting("user", new String[] { "mygroup" }); |
| |
| final Path testRoot = new Path("/tmp/TestEncryptionZones"); |
| final Path superPath = new Path(testRoot, "superuseronly"); |
| final Path allPath = new Path(testRoot, "accessall"); |
| |
| fsWrapper.mkdir(superPath, new FsPermission((short) 0700), true); |
| dfsAdmin.createEncryptionZone(superPath, TEST_KEY); |
| |
| fsWrapper.mkdir(allPath, new FsPermission((short) 0707), true); |
| dfsAdmin.createEncryptionZone(allPath, TEST_KEY); |
| |
| user.doAs(new PrivilegedExceptionAction<Object>() { |
| @Override |
| public Object run() throws Exception { |
| final HdfsAdmin userAdmin = |
| new HdfsAdmin(FileSystem.getDefaultUri(conf), conf); |
| try { |
| userAdmin.listEncryptionZones(); |
| } catch (AccessControlException e) { |
| assertExceptionContains("Superuser privilege is required", e); |
| } |
| return null; |
| } |
| }); |
| } |
| |
| /** |
| * Test getEncryptionZoneForPath as a non super user. |
| */ |
| @Test(timeout = 60000) |
| public void testGetEZAsNonSuperUser() throws Exception { |
| |
| final UserGroupInformation user = UserGroupInformation. |
| createUserForTesting("user", new String[] { "mygroup" }); |
| |
| final Path testRoot = new Path("/tmp/TestEncryptionZones"); |
| final Path superPath = new Path(testRoot, "superuseronly"); |
| final Path superPathFile = new Path(superPath, "file1"); |
| final Path allPath = new Path(testRoot, "accessall"); |
| final Path allPathFile = new Path(allPath, "file1"); |
| final Path nonEZDir = new Path(testRoot, "nonEZDir"); |
| final Path nonEZFile = new Path(nonEZDir, "file1"); |
| final Path nonexistent = new Path("/nonexistent"); |
| final int len = 8192; |
| |
| fsWrapper.mkdir(testRoot, new FsPermission((short) 0777), true); |
| fsWrapper.mkdir(superPath, new FsPermission((short) 0700), false); |
| fsWrapper.mkdir(allPath, new FsPermission((short) 0777), false); |
| fsWrapper.mkdir(nonEZDir, new FsPermission((short) 0777), false); |
| dfsAdmin.createEncryptionZone(superPath, TEST_KEY); |
| dfsAdmin.createEncryptionZone(allPath, TEST_KEY); |
| dfsAdmin.allowSnapshot(new Path("/")); |
| final Path newSnap = fs.createSnapshot(new Path("/")); |
| DFSTestUtil.createFile(fs, superPathFile, len, (short) 1, 0xFEED); |
| DFSTestUtil.createFile(fs, allPathFile, len, (short) 1, 0xFEED); |
| DFSTestUtil.createFile(fs, nonEZFile, len, (short) 1, 0xFEED); |
| |
| user.doAs(new PrivilegedExceptionAction<Object>() { |
| @Override |
| public Object run() throws Exception { |
| final HdfsAdmin userAdmin = |
| new HdfsAdmin(FileSystem.getDefaultUri(conf), conf); |
| |
| // Check null arg |
| try { |
| userAdmin.getEncryptionZoneForPath(null); |
| fail("should have thrown NPE"); |
| } catch (NullPointerException e) { |
| /* |
| * IWBNI we could use assertExceptionContains, but the NPE that is |
| * thrown has no message text. |
| */ |
| } |
| |
| // Check operation with accessible paths |
| assertEquals("expected ez path", allPath.toString(), |
| userAdmin.getEncryptionZoneForPath(allPath).getPath(). |
| toString()); |
| assertEquals("expected ez path", allPath.toString(), |
| userAdmin.getEncryptionZoneForPath(allPathFile).getPath(). |
| toString()); |
| |
| // Check operation with inaccessible (lack of permissions) path |
| try { |
| userAdmin.getEncryptionZoneForPath(superPathFile); |
| fail("expected AccessControlException"); |
| } catch (AccessControlException e) { |
| assertExceptionContains("Permission denied:", e); |
| } |
| |
| assertNull("expected null for nonexistent path", |
| userAdmin.getEncryptionZoneForPath(nonexistent)); |
| |
| // Check operation with non-ez paths |
| assertNull("expected null for non-ez path", |
| userAdmin.getEncryptionZoneForPath(nonEZDir)); |
| assertNull("expected null for non-ez path", |
| userAdmin.getEncryptionZoneForPath(nonEZFile)); |
| |
| // Check operation with snapshots |
| String snapshottedAllPath = newSnap.toString() + allPath.toString(); |
| assertEquals("expected ez path", allPath.toString(), |
| userAdmin.getEncryptionZoneForPath( |
| new Path(snapshottedAllPath)).getPath().toString()); |
| |
| /* |
| * Delete the file from the non-snapshot and test that it is still ok |
| * in the ez. |
| */ |
| fs.delete(allPathFile, false); |
| assertEquals("expected ez path", allPath.toString(), |
| userAdmin.getEncryptionZoneForPath( |
| new Path(snapshottedAllPath)).getPath().toString()); |
| |
| // Delete the ez and make sure ss's ez is still ok. |
| fs.delete(allPath, true); |
| assertEquals("expected ez path", allPath.toString(), |
| userAdmin.getEncryptionZoneForPath( |
| new Path(snapshottedAllPath)).getPath().toString()); |
| assertNull("expected null for deleted file path", |
| userAdmin.getEncryptionZoneForPath(allPathFile)); |
| assertNull("expected null for deleted directory path", |
| userAdmin.getEncryptionZoneForPath(allPath)); |
| return null; |
| } |
| }); |
| } |
| |
| /** |
| * Test success of Rename EZ on a directory which is already an EZ. |
| */ |
| private void doRenameEncryptionZone(FSTestWrapper wrapper) throws Exception { |
| final Path testRoot = new Path("/tmp/TestEncryptionZones"); |
| final Path pathFoo = new Path(testRoot, "foo"); |
| final Path pathFooBaz = new Path(pathFoo, "baz"); |
| final Path pathFooBazFile = new Path(pathFooBaz, "file"); |
| final Path pathFooBar = new Path(pathFoo, "bar"); |
| final Path pathFooBarFile = new Path(pathFooBar, "file"); |
| final int len = 8192; |
| wrapper.mkdir(pathFoo, FsPermission.getDirDefault(), true); |
| dfsAdmin.createEncryptionZone(pathFoo, TEST_KEY); |
| wrapper.mkdir(pathFooBaz, FsPermission.getDirDefault(), true); |
| DFSTestUtil.createFile(fs, pathFooBazFile, len, (short) 1, 0xFEED); |
| String contents = DFSTestUtil.readFile(fs, pathFooBazFile); |
| try { |
| wrapper.rename(pathFooBaz, testRoot); |
| } catch (IOException e) { |
| assertExceptionContains(pathFooBaz.toString() + " can't be moved from" + |
| " an encryption zone.", e |
| ); |
| } |
| |
| // Verify that we can rename dir and files within an encryption zone. |
| assertTrue(fs.rename(pathFooBaz, pathFooBar)); |
| assertTrue("Rename of dir and file within ez failed", |
| !wrapper.exists(pathFooBaz) && wrapper.exists(pathFooBar)); |
| assertEquals("Renamed file contents not the same", |
| contents, DFSTestUtil.readFile(fs, pathFooBarFile)); |
| |
| // Verify that we can rename an EZ root |
| final Path newFoo = new Path(testRoot, "newfoo"); |
| assertTrue("Rename of EZ root", fs.rename(pathFoo, newFoo)); |
| assertTrue("Rename of EZ root failed", |
| !wrapper.exists(pathFoo) && wrapper.exists(newFoo)); |
| |
| // Verify that we can't rename an EZ root onto itself |
| try { |
| wrapper.rename(newFoo, newFoo); |
| } catch (IOException e) { |
| assertExceptionContains("are the same", e); |
| } |
| } |
| |
| @Test(timeout = 60000) |
| public void testRenameFileSystem() throws Exception { |
| doRenameEncryptionZone(fsWrapper); |
| } |
| |
| @Test(timeout = 60000) |
| public void testRenameFileContext() throws Exception { |
| doRenameEncryptionZone(fcWrapper); |
| } |
| |
| private FileEncryptionInfo getFileEncryptionInfo(Path path) throws Exception { |
| LocatedBlocks blocks = fs.getClient().getLocatedBlocks(path.toString(), 0); |
| return blocks.getFileEncryptionInfo(); |
| } |
| |
| @Test(timeout = 120000) |
| public void testReadWrite() throws Exception { |
| final HdfsAdmin dfsAdmin = |
| new HdfsAdmin(FileSystem.getDefaultUri(conf), conf); |
| // Create a base file for comparison |
| final Path baseFile = new Path("/base"); |
| final int len = 8192; |
| DFSTestUtil.createFile(fs, baseFile, len, (short) 1, 0xFEED); |
| // Create the first enc file |
| final Path zone = new Path("/zone"); |
| fs.mkdirs(zone); |
| dfsAdmin.createEncryptionZone(zone, TEST_KEY); |
| final Path encFile1 = new Path(zone, "myfile"); |
| DFSTestUtil.createFile(fs, encFile1, len, (short) 1, 0xFEED); |
| // Read them back in and compare byte-by-byte |
| verifyFilesEqual(fs, baseFile, encFile1, len); |
| // Roll the key of the encryption zone |
| assertNumZones(1); |
| String keyName = dfsAdmin.listEncryptionZones().next().getKeyName(); |
| cluster.getNamesystem().getProvider().rollNewVersion(keyName); |
| // Read them back in and compare byte-by-byte |
| verifyFilesEqual(fs, baseFile, encFile1, len); |
| // Write a new enc file and validate |
| final Path encFile2 = new Path(zone, "myfile2"); |
| DFSTestUtil.createFile(fs, encFile2, len, (short) 1, 0xFEED); |
| // FEInfos should be different |
| FileEncryptionInfo feInfo1 = getFileEncryptionInfo(encFile1); |
| FileEncryptionInfo feInfo2 = getFileEncryptionInfo(encFile2); |
| assertFalse("EDEKs should be different", Arrays |
| .equals(feInfo1.getEncryptedDataEncryptionKey(), |
| feInfo2.getEncryptedDataEncryptionKey())); |
| assertNotEquals("Key was rolled, versions should be different", |
| feInfo1.getEzKeyVersionName(), feInfo2.getEzKeyVersionName()); |
| // Contents still equal |
| verifyFilesEqual(fs, encFile1, encFile2, len); |
| } |
| |
| @Test(timeout = 120000) |
| public void testReadWriteUsingWebHdfs() throws Exception { |
| final HdfsAdmin dfsAdmin = |
| new HdfsAdmin(FileSystem.getDefaultUri(conf), conf); |
| final FileSystem webHdfsFs = WebHdfsTestUtil.getWebHdfsFileSystem(conf, |
| WebHdfsFileSystem.SCHEME); |
| |
| final Path zone = new Path("/zone"); |
| fs.mkdirs(zone); |
| dfsAdmin.createEncryptionZone(zone, TEST_KEY); |
| |
| /* Create an unencrypted file for comparison purposes. */ |
| final Path unencFile = new Path("/unenc"); |
| final int len = 8192; |
| DFSTestUtil.createFile(webHdfsFs, unencFile, len, (short) 1, 0xFEED); |
| |
| /* |
| * Create the same file via webhdfs, but this time encrypted. Compare it |
| * using both webhdfs and DFS. |
| */ |
| final Path encFile1 = new Path(zone, "myfile"); |
| DFSTestUtil.createFile(webHdfsFs, encFile1, len, (short) 1, 0xFEED); |
| verifyFilesEqual(webHdfsFs, unencFile, encFile1, len); |
| verifyFilesEqual(fs, unencFile, encFile1, len); |
| |
| /* |
| * Same thing except this time create the encrypted file using DFS. |
| */ |
| final Path encFile2 = new Path(zone, "myfile2"); |
| DFSTestUtil.createFile(fs, encFile2, len, (short) 1, 0xFEED); |
| verifyFilesEqual(webHdfsFs, unencFile, encFile2, len); |
| verifyFilesEqual(fs, unencFile, encFile2, len); |
| |
| /* Verify appending to files works correctly. */ |
| appendOneByte(fs, unencFile); |
| appendOneByte(webHdfsFs, encFile1); |
| appendOneByte(fs, encFile2); |
| verifyFilesEqual(webHdfsFs, unencFile, encFile1, len); |
| verifyFilesEqual(fs, unencFile, encFile1, len); |
| verifyFilesEqual(webHdfsFs, unencFile, encFile2, len); |
| verifyFilesEqual(fs, unencFile, encFile2, len); |
| } |
| |
| private void appendOneByte(FileSystem fs, Path p) throws IOException { |
| final FSDataOutputStream out = fs.append(p); |
| out.write((byte) 0x123); |
| out.close(); |
| } |
| |
| @Test(timeout = 60000) |
| public void testVersionAndSuiteNegotiation() throws Exception { |
| final HdfsAdmin dfsAdmin = |
| new HdfsAdmin(FileSystem.getDefaultUri(conf), conf); |
| final Path zone = new Path("/zone"); |
| fs.mkdirs(zone); |
| dfsAdmin.createEncryptionZone(zone, TEST_KEY); |
| // Create a file in an EZ, which should succeed |
| DFSTestUtil |
| .createFile(fs, new Path(zone, "success1"), 0, (short) 1, 0xFEED); |
| // Pass no supported versions, fail |
| DFSOutputStream.SUPPORTED_CRYPTO_VERSIONS = new CryptoProtocolVersion[] {}; |
| try { |
| DFSTestUtil.createFile(fs, new Path(zone, "fail"), 0, (short) 1, 0xFEED); |
| fail("Created a file without specifying a crypto protocol version"); |
| } catch (UnknownCryptoProtocolVersionException e) { |
| assertExceptionContains("No crypto protocol versions", e); |
| } |
| // Pass some unknown versions, fail |
| DFSOutputStream.SUPPORTED_CRYPTO_VERSIONS = new CryptoProtocolVersion[] |
| { CryptoProtocolVersion.UNKNOWN, CryptoProtocolVersion.UNKNOWN }; |
| try { |
| DFSTestUtil.createFile(fs, new Path(zone, "fail"), 0, (short) 1, 0xFEED); |
| fail("Created a file without specifying a known crypto protocol version"); |
| } catch (UnknownCryptoProtocolVersionException e) { |
| assertExceptionContains("No crypto protocol versions", e); |
| } |
| // Pass some unknown and a good cipherSuites, success |
| DFSOutputStream.SUPPORTED_CRYPTO_VERSIONS = |
| new CryptoProtocolVersion[] { |
| CryptoProtocolVersion.UNKNOWN, |
| CryptoProtocolVersion.UNKNOWN, |
| CryptoProtocolVersion.ENCRYPTION_ZONES }; |
| DFSTestUtil |
| .createFile(fs, new Path(zone, "success2"), 0, (short) 1, 0xFEED); |
| DFSOutputStream.SUPPORTED_CRYPTO_VERSIONS = |
| new CryptoProtocolVersion[] { |
| CryptoProtocolVersion.ENCRYPTION_ZONES, |
| CryptoProtocolVersion.UNKNOWN, |
| CryptoProtocolVersion.UNKNOWN} ; |
| DFSTestUtil |
| .createFile(fs, new Path(zone, "success3"), 4096, (short) 1, 0xFEED); |
| // Check KeyProvider state |
| // Flushing the KP on the NN, since it caches, and init a test one |
| cluster.getNamesystem().getProvider().flush(); |
| KeyProvider provider = KeyProviderFactory |
| .get(new URI(conf.get(DFSConfigKeys.DFS_ENCRYPTION_KEY_PROVIDER_URI)), |
| conf); |
| List<String> keys = provider.getKeys(); |
| assertEquals("Expected NN to have created one key per zone", 1, |
| keys.size()); |
| List<KeyProvider.KeyVersion> allVersions = Lists.newArrayList(); |
| for (String key : keys) { |
| List<KeyProvider.KeyVersion> versions = provider.getKeyVersions(key); |
| assertEquals("Should only have one key version per key", 1, |
| versions.size()); |
| allVersions.addAll(versions); |
| } |
| // Check that the specified CipherSuite was correctly saved on the NN |
| for (int i = 2; i <= 3; i++) { |
| FileEncryptionInfo feInfo = |
| getFileEncryptionInfo(new Path(zone.toString() + |
| "/success" + i)); |
| assertEquals(feInfo.getCipherSuite(), CipherSuite.AES_CTR_NOPADDING); |
| } |
| |
| DFSClient old = fs.dfs; |
| try { |
| testCipherSuiteNegotiation(fs, conf); |
| } finally { |
| fs.dfs = old; |
| } |
| } |
| |
| @SuppressWarnings("unchecked") |
| private static void mockCreate(ClientProtocol mcp, |
| CipherSuite suite, CryptoProtocolVersion version) throws Exception { |
| Mockito.doReturn( |
| new HdfsFileStatus(0, false, 1, 1024, 0, 0, new FsPermission( |
| (short) 777), "owner", "group", new byte[0], new byte[0], |
| 1010, 0, new FileEncryptionInfo(suite, |
| version, new byte[suite.getAlgorithmBlockSize()], |
| new byte[suite.getAlgorithmBlockSize()], |
| "fakeKey", "fakeVersion"), |
| (byte) 0)) |
| .when(mcp) |
| .create(anyString(), (FsPermission) anyObject(), anyString(), |
| (EnumSetWritable<CreateFlag>) anyObject(), anyBoolean(), |
| anyShort(), anyLong(), (CryptoProtocolVersion[]) anyObject()); |
| } |
| |
| // This test only uses mocks. Called from the end of an existing test to |
| // avoid an extra mini cluster. |
| private static void testCipherSuiteNegotiation(DistributedFileSystem fs, |
| Configuration conf) throws Exception { |
| // Set up mock ClientProtocol to test client-side CipherSuite negotiation |
| final ClientProtocol mcp = Mockito.mock(ClientProtocol.class); |
| |
| // Try with an empty conf |
| final Configuration noCodecConf = new Configuration(conf); |
| final CipherSuite suite = CipherSuite.AES_CTR_NOPADDING; |
| final String confKey = CommonConfigurationKeysPublic |
| .HADOOP_SECURITY_CRYPTO_CODEC_CLASSES_KEY_PREFIX + suite |
| .getConfigSuffix(); |
| noCodecConf.set(confKey, ""); |
| fs.dfs = new DFSClient(null, mcp, noCodecConf, null); |
| mockCreate(mcp, suite, CryptoProtocolVersion.ENCRYPTION_ZONES); |
| try { |
| fs.create(new Path("/mock")); |
| fail("Created with no configured codecs!"); |
| } catch (UnknownCipherSuiteException e) { |
| assertExceptionContains("No configuration found for the cipher", e); |
| } |
| |
| // Try create with an UNKNOWN CipherSuite |
| fs.dfs = new DFSClient(null, mcp, conf, null); |
| CipherSuite unknown = CipherSuite.UNKNOWN; |
| unknown.setUnknownValue(989); |
| mockCreate(mcp, unknown, CryptoProtocolVersion.ENCRYPTION_ZONES); |
| try { |
| fs.create(new Path("/mock")); |
| fail("Created with unknown cipher!"); |
| } catch (IOException e) { |
| assertExceptionContains("unknown CipherSuite with ID 989", e); |
| } |
| } |
| |
| @Test(timeout = 120000) |
| public void testCreateEZWithNoProvider() throws Exception { |
| // Unset the key provider and make sure EZ ops don't work |
| final Configuration clusterConf = cluster.getConfiguration(0); |
| clusterConf.unset(DFSConfigKeys.DFS_ENCRYPTION_KEY_PROVIDER_URI); |
| cluster.restartNameNode(true); |
| cluster.waitActive(); |
| final Path zone1 = new Path("/zone1"); |
| fsWrapper.mkdir(zone1, FsPermission.getDirDefault(), true); |
| try { |
| dfsAdmin.createEncryptionZone(zone1, TEST_KEY); |
| fail("expected exception"); |
| } catch (IOException e) { |
| assertExceptionContains("since no key provider is available", e); |
| } |
| final Path jksPath = new Path(testRootDir.toString(), "test.jks"); |
| clusterConf.set(DFSConfigKeys.DFS_ENCRYPTION_KEY_PROVIDER_URI, |
| JavaKeyStoreProvider.SCHEME_NAME + "://file" + jksPath.toUri() |
| ); |
| // Try listing EZs as well |
| assertNumZones(0); |
| } |
| |
| @Test(timeout = 120000) |
| public void testIsEncryptedMethod() throws Exception { |
| doTestIsEncryptedMethod(new Path("/")); |
| doTestIsEncryptedMethod(new Path("/.reserved/raw")); |
| } |
| |
| private void doTestIsEncryptedMethod(Path prefix) throws Exception { |
| try { |
| dTIEM(prefix); |
| } finally { |
| for (FileStatus s : fsWrapper.listStatus(prefix)) { |
| fsWrapper.delete(s.getPath(), true); |
| } |
| } |
| } |
| |
| private void dTIEM(Path prefix) throws Exception { |
| final HdfsAdmin dfsAdmin = |
| new HdfsAdmin(FileSystem.getDefaultUri(conf), conf); |
| // Create an unencrypted file to check isEncrypted returns false |
| final Path baseFile = new Path(prefix, "base"); |
| fsWrapper.createFile(baseFile); |
| FileStatus stat = fsWrapper.getFileStatus(baseFile); |
| assertFalse("Expected isEncrypted to return false for " + baseFile, |
| stat.isEncrypted()); |
| |
| // Create an encrypted file to check isEncrypted returns true |
| final Path zone = new Path(prefix, "zone"); |
| fsWrapper.mkdir(zone, FsPermission.getDirDefault(), true); |
| dfsAdmin.createEncryptionZone(zone, TEST_KEY); |
| final Path encFile = new Path(zone, "encfile"); |
| fsWrapper.createFile(encFile); |
| stat = fsWrapper.getFileStatus(encFile); |
| assertTrue("Expected isEncrypted to return true for enc file" + encFile, |
| stat.isEncrypted()); |
| |
| // check that it returns true for an ez root |
| stat = fsWrapper.getFileStatus(zone); |
| assertTrue("Expected isEncrypted to return true for ezroot", |
| stat.isEncrypted()); |
| |
| // check that it returns true for a dir in the ez |
| final Path zoneSubdir = new Path(zone, "subdir"); |
| fsWrapper.mkdir(zoneSubdir, FsPermission.getDirDefault(), true); |
| stat = fsWrapper.getFileStatus(zoneSubdir); |
| assertTrue( |
| "Expected isEncrypted to return true for ez subdir " + zoneSubdir, |
| stat.isEncrypted()); |
| |
| // check that it returns false for a non ez dir |
| final Path nonEzDirPath = new Path(prefix, "nonzone"); |
| fsWrapper.mkdir(nonEzDirPath, FsPermission.getDirDefault(), true); |
| stat = fsWrapper.getFileStatus(nonEzDirPath); |
| assertFalse( |
| "Expected isEncrypted to return false for directory " + nonEzDirPath, |
| stat.isEncrypted()); |
| |
| // check that it returns true for listings within an ez |
| FileStatus[] statuses = fsWrapper.listStatus(zone); |
| for (FileStatus s : statuses) { |
| assertTrue("Expected isEncrypted to return true for ez stat " + zone, |
| s.isEncrypted()); |
| } |
| |
| statuses = fsWrapper.listStatus(encFile); |
| for (FileStatus s : statuses) { |
| assertTrue( |
| "Expected isEncrypted to return true for ez file stat " + encFile, |
| s.isEncrypted()); |
| } |
| |
| // check that it returns false for listings outside an ez |
| statuses = fsWrapper.listStatus(nonEzDirPath); |
| for (FileStatus s : statuses) { |
| assertFalse( |
| "Expected isEncrypted to return false for nonez stat " + nonEzDirPath, |
| s.isEncrypted()); |
| } |
| |
| statuses = fsWrapper.listStatus(baseFile); |
| for (FileStatus s : statuses) { |
| assertFalse( |
| "Expected isEncrypted to return false for non ez stat " + baseFile, |
| s.isEncrypted()); |
| } |
| } |
| |
| private class MyInjector extends EncryptionFaultInjector { |
| int generateCount; |
| CountDownLatch ready; |
| CountDownLatch wait; |
| |
| public MyInjector() { |
| this.ready = new CountDownLatch(1); |
| this.wait = new CountDownLatch(1); |
| } |
| |
| @Override |
| public void startFileAfterGenerateKey() throws IOException { |
| ready.countDown(); |
| try { |
| wait.await(); |
| } catch (InterruptedException e) { |
| throw new IOException(e); |
| } |
| generateCount++; |
| } |
| } |
| |
| private class CreateFileTask implements Callable<Void> { |
| private FileSystemTestWrapper fsWrapper; |
| private Path name; |
| |
| CreateFileTask(FileSystemTestWrapper fsWrapper, Path name) { |
| this.fsWrapper = fsWrapper; |
| this.name = name; |
| } |
| |
| @Override |
| public Void call() throws Exception { |
| fsWrapper.createFile(name); |
| return null; |
| } |
| } |
| |
| private class InjectFaultTask implements Callable<Void> { |
| final Path zone1 = new Path("/zone1"); |
| final Path file = new Path(zone1, "file1"); |
| final ExecutorService executor = Executors.newSingleThreadExecutor(); |
| |
| MyInjector injector; |
| |
| @Override |
| public Void call() throws Exception { |
| // Set up the injector |
| injector = new MyInjector(); |
| EncryptionFaultInjector.instance = injector; |
| Future<Void> future = |
| executor.submit(new CreateFileTask(fsWrapper, file)); |
| injector.ready.await(); |
| // Do the fault |
| doFault(); |
| // Allow create to proceed |
| injector.wait.countDown(); |
| future.get(); |
| // Cleanup and postconditions |
| doCleanup(); |
| return null; |
| } |
| |
| public void doFault() throws Exception {} |
| |
| public void doCleanup() throws Exception {} |
| } |
| |
| /** |
| * Tests the retry logic in startFile. We release the lock while generating |
| * an EDEK, so tricky things can happen in the intervening time. |
| */ |
| @Test(timeout = 120000) |
| public void testStartFileRetry() throws Exception { |
| final Path zone1 = new Path("/zone1"); |
| final Path file = new Path(zone1, "file1"); |
| fsWrapper.mkdir(zone1, FsPermission.getDirDefault(), true); |
| ExecutorService executor = Executors.newSingleThreadExecutor(); |
| |
| // Test when the parent directory becomes an EZ |
| executor.submit(new InjectFaultTask() { |
| @Override |
| public void doFault() throws Exception { |
| dfsAdmin.createEncryptionZone(zone1, TEST_KEY); |
| } |
| @Override |
| public void doCleanup() throws Exception { |
| assertEquals("Expected a startFile retry", 2, injector.generateCount); |
| fsWrapper.delete(file, false); |
| } |
| }).get(); |
| |
| // Test when the parent directory unbecomes an EZ |
| executor.submit(new InjectFaultTask() { |
| @Override |
| public void doFault() throws Exception { |
| fsWrapper.delete(zone1, true); |
| } |
| @Override |
| public void doCleanup() throws Exception { |
| assertEquals("Expected no startFile retries", 1, injector.generateCount); |
| fsWrapper.delete(file, false); |
| } |
| }).get(); |
| |
| // Test when the parent directory becomes a different EZ |
| fsWrapper.mkdir(zone1, FsPermission.getDirDefault(), true); |
| final String otherKey = "otherKey"; |
| DFSTestUtil.createKey(otherKey, cluster, conf); |
| dfsAdmin.createEncryptionZone(zone1, TEST_KEY); |
| |
| executor.submit(new InjectFaultTask() { |
| @Override |
| public void doFault() throws Exception { |
| fsWrapper.delete(zone1, true); |
| fsWrapper.mkdir(zone1, FsPermission.getDirDefault(), true); |
| dfsAdmin.createEncryptionZone(zone1, otherKey); |
| } |
| @Override |
| public void doCleanup() throws Exception { |
| assertEquals("Expected a startFile retry", 2, injector.generateCount); |
| fsWrapper.delete(zone1, true); |
| } |
| }).get(); |
| |
| // Test that the retry limit leads to an error |
| fsWrapper.mkdir(zone1, FsPermission.getDirDefault(), true); |
| final String anotherKey = "anotherKey"; |
| DFSTestUtil.createKey(anotherKey, cluster, conf); |
| dfsAdmin.createEncryptionZone(zone1, anotherKey); |
| String keyToUse = otherKey; |
| |
| MyInjector injector = new MyInjector(); |
| EncryptionFaultInjector.instance = injector; |
| Future<?> future = executor.submit(new CreateFileTask(fsWrapper, file)); |
| |
| // Flip-flop between two EZs to repeatedly fail |
| for (int i=0; i<DFSOutputStream.CREATE_RETRY_COUNT+1; i++) { |
| injector.ready.await(); |
| fsWrapper.delete(zone1, true); |
| fsWrapper.mkdir(zone1, FsPermission.getDirDefault(), true); |
| dfsAdmin.createEncryptionZone(zone1, keyToUse); |
| if (keyToUse == otherKey) { |
| keyToUse = anotherKey; |
| } else { |
| keyToUse = otherKey; |
| } |
| injector.wait.countDown(); |
| injector = new MyInjector(); |
| EncryptionFaultInjector.instance = injector; |
| } |
| try { |
| future.get(); |
| fail("Expected exception from too many retries"); |
| } catch (ExecutionException e) { |
| assertExceptionContains( |
| "Too many retries because of encryption zone operations", |
| e.getCause()); |
| } |
| } |
| |
| /** |
| * Tests obtaining delegation token from stored key |
| */ |
| @Test(timeout = 120000) |
| public void testDelegationToken() throws Exception { |
| UserGroupInformation.createRemoteUser("JobTracker"); |
| DistributedFileSystem dfs = cluster.getFileSystem(); |
| KeyProvider keyProvider = Mockito.mock(KeyProvider.class, |
| withSettings().extraInterfaces( |
| DelegationTokenExtension.class, |
| CryptoExtension.class)); |
| Mockito.when(keyProvider.getConf()).thenReturn(conf); |
| byte[] testIdentifier = "Test identifier for delegation token".getBytes(); |
| |
| Token<?> testToken = new Token(testIdentifier, new byte[0], |
| new Text(), new Text()); |
| Mockito.when(((DelegationTokenExtension)keyProvider). |
| addDelegationTokens(anyString(), (Credentials)any())). |
| thenReturn(new Token<?>[] { testToken }); |
| |
| dfs.getClient().provider = keyProvider; |
| |
| Credentials creds = new Credentials(); |
| final Token<?> tokens[] = dfs.addDelegationTokens("JobTracker", creds); |
| DistributedFileSystem.LOG.debug("Delegation tokens: " + |
| Arrays.asList(tokens)); |
| Assert.assertEquals(2, tokens.length); |
| Assert.assertEquals(tokens[1], testToken); |
| Assert.assertEquals(1, creds.numberOfTokens()); |
| } |
| |
| /** |
| * Test running fsck on a system with encryption zones. |
| */ |
| @Test(timeout = 60000) |
| public void testFsckOnEncryptionZones() throws Exception { |
| final int len = 8196; |
| final Path zoneParent = new Path("/zones"); |
| final Path zone1 = new Path(zoneParent, "zone1"); |
| final Path zone1File = new Path(zone1, "file"); |
| fsWrapper.mkdir(zone1, FsPermission.getDirDefault(), true); |
| dfsAdmin.createEncryptionZone(zone1, TEST_KEY); |
| DFSTestUtil.createFile(fs, zone1File, len, (short) 1, 0xFEED); |
| ByteArrayOutputStream bStream = new ByteArrayOutputStream(); |
| PrintStream out = new PrintStream(bStream, true); |
| int errCode = ToolRunner.run(new DFSck(conf, out), |
| new String[]{ "/" }); |
| assertEquals("Fsck ran with non-zero error code", 0, errCode); |
| String result = bStream.toString(); |
| assertTrue("Fsck did not return HEALTHY status", |
| result.contains(NamenodeFsck.HEALTHY_STATUS)); |
| |
| // Run fsck directly on the encryption zone instead of root |
| errCode = ToolRunner.run(new DFSck(conf, out), |
| new String[]{ zoneParent.toString() }); |
| assertEquals("Fsck ran with non-zero error code", 0, errCode); |
| result = bStream.toString(); |
| assertTrue("Fsck did not return HEALTHY status", |
| result.contains(NamenodeFsck.HEALTHY_STATUS)); |
| } |
| |
| /** |
| * Test correctness of successive snapshot creation and deletion |
| * on a system with encryption zones. |
| */ |
| @Test(timeout = 60000) |
| public void testSnapshotsOnEncryptionZones() throws Exception { |
| final String TEST_KEY2 = "testkey2"; |
| DFSTestUtil.createKey(TEST_KEY2, cluster, conf); |
| |
| final int len = 8196; |
| final Path zoneParent = new Path("/zones"); |
| final Path zone = new Path(zoneParent, "zone"); |
| final Path zoneFile = new Path(zone, "zoneFile"); |
| fsWrapper.mkdir(zone, FsPermission.getDirDefault(), true); |
| dfsAdmin.allowSnapshot(zoneParent); |
| dfsAdmin.createEncryptionZone(zone, TEST_KEY); |
| DFSTestUtil.createFile(fs, zoneFile, len, (short) 1, 0xFEED); |
| String contents = DFSTestUtil.readFile(fs, zoneFile); |
| final Path snap1 = fs.createSnapshot(zoneParent, "snap1"); |
| final Path snap1Zone = new Path(snap1, zone.getName()); |
| assertEquals("Got unexpected ez path", zone.toString(), |
| dfsAdmin.getEncryptionZoneForPath(snap1Zone).getPath().toString()); |
| |
| // Now delete the encryption zone, recreate the dir, and take another |
| // snapshot |
| fsWrapper.delete(zone, true); |
| fsWrapper.mkdir(zone, FsPermission.getDirDefault(), true); |
| final Path snap2 = fs.createSnapshot(zoneParent, "snap2"); |
| final Path snap2Zone = new Path(snap2, zone.getName()); |
| assertNull("Expected null ez path", |
| dfsAdmin.getEncryptionZoneForPath(snap2Zone)); |
| |
| // Create the encryption zone again |
| dfsAdmin.createEncryptionZone(zone, TEST_KEY2); |
| final Path snap3 = fs.createSnapshot(zoneParent, "snap3"); |
| final Path snap3Zone = new Path(snap3, zone.getName()); |
| // Check that snap3's EZ has the correct settings |
| EncryptionZone ezSnap3 = dfsAdmin.getEncryptionZoneForPath(snap3Zone); |
| assertEquals("Got unexpected ez path", zone.toString(), |
| ezSnap3.getPath().toString()); |
| assertEquals("Unexpected ez key", TEST_KEY2, ezSnap3.getKeyName()); |
| // Check that older snapshots still have the old EZ settings |
| EncryptionZone ezSnap1 = dfsAdmin.getEncryptionZoneForPath(snap1Zone); |
| assertEquals("Got unexpected ez path", zone.toString(), |
| ezSnap1.getPath().toString()); |
| assertEquals("Unexpected ez key", TEST_KEY, ezSnap1.getKeyName()); |
| |
| // Check that listEZs only shows the current filesystem state |
| ArrayList<EncryptionZone> listZones = Lists.newArrayList(); |
| RemoteIterator<EncryptionZone> it = dfsAdmin.listEncryptionZones(); |
| while (it.hasNext()) { |
| listZones.add(it.next()); |
| } |
| for (EncryptionZone z: listZones) { |
| System.out.println(z); |
| } |
| assertEquals("Did not expect additional encryption zones!", 1, |
| listZones.size()); |
| EncryptionZone listZone = listZones.get(0); |
| assertEquals("Got unexpected ez path", zone.toString(), |
| listZone.getPath().toString()); |
| assertEquals("Unexpected ez key", TEST_KEY2, listZone.getKeyName()); |
| |
| // Verify contents of the snapshotted file |
| final Path snapshottedZoneFile = new Path( |
| snap1.toString() + "/" + zone.getName() + "/" + zoneFile.getName()); |
| assertEquals("Contents of snapshotted file have changed unexpectedly", |
| contents, DFSTestUtil.readFile(fs, snapshottedZoneFile)); |
| |
| // Now delete the snapshots out of order and verify the zones are still |
| // correct |
| fs.deleteSnapshot(zoneParent, snap2.getName()); |
| assertEquals("Got unexpected ez path", zone.toString(), |
| dfsAdmin.getEncryptionZoneForPath(snap1Zone).getPath().toString()); |
| assertEquals("Got unexpected ez path", zone.toString(), |
| dfsAdmin.getEncryptionZoneForPath(snap3Zone).getPath().toString()); |
| fs.deleteSnapshot(zoneParent, snap1.getName()); |
| assertEquals("Got unexpected ez path", zone.toString(), |
| dfsAdmin.getEncryptionZoneForPath(snap3Zone).getPath().toString()); |
| } |
| |
| /** |
| * Verify symlinks can be created in encryption zones and that |
| * they function properly when the target is in the same |
| * or different ez. |
| */ |
| @Test(timeout = 60000) |
| public void testEncryptionZonesWithSymlinks() throws Exception { |
| // Verify we can create an encryption zone over both link and target |
| final int len = 8192; |
| final Path parent = new Path("/parent"); |
| final Path linkParent = new Path(parent, "symdir1"); |
| final Path targetParent = new Path(parent, "symdir2"); |
| final Path link = new Path(linkParent, "link"); |
| final Path target = new Path(targetParent, "target"); |
| fs.mkdirs(parent); |
| dfsAdmin.createEncryptionZone(parent, TEST_KEY); |
| fs.mkdirs(linkParent); |
| fs.mkdirs(targetParent); |
| DFSTestUtil.createFile(fs, target, len, (short)1, 0xFEED); |
| String content = DFSTestUtil.readFile(fs, target); |
| fs.createSymlink(target, link, false); |
| assertEquals("Contents read from link are not the same as target", |
| content, DFSTestUtil.readFile(fs, link)); |
| fs.delete(parent, true); |
| |
| // Now let's test when the symlink and target are in different |
| // encryption zones |
| fs.mkdirs(linkParent); |
| fs.mkdirs(targetParent); |
| dfsAdmin.createEncryptionZone(linkParent, TEST_KEY); |
| dfsAdmin.createEncryptionZone(targetParent, TEST_KEY); |
| DFSTestUtil.createFile(fs, target, len, (short)1, 0xFEED); |
| content = DFSTestUtil.readFile(fs, target); |
| fs.createSymlink(target, link, false); |
| assertEquals("Contents read from link are not the same as target", |
| content, DFSTestUtil.readFile(fs, link)); |
| fs.delete(link, true); |
| fs.delete(target, true); |
| } |
| |
| @Test(timeout = 60000) |
| public void testConcatFailsInEncryptionZones() throws Exception { |
| final int len = 8192; |
| final Path ez = new Path("/ez"); |
| fs.mkdirs(ez); |
| dfsAdmin.createEncryptionZone(ez, TEST_KEY); |
| final Path src1 = new Path(ez, "src1"); |
| final Path src2 = new Path(ez, "src2"); |
| final Path target = new Path(ez, "target"); |
| DFSTestUtil.createFile(fs, src1, len, (short)1, 0xFEED); |
| DFSTestUtil.createFile(fs, src2, len, (short)1, 0xFEED); |
| DFSTestUtil.createFile(fs, target, len, (short)1, 0xFEED); |
| try { |
| fs.concat(target, new Path[] { src1, src2 }); |
| fail("expected concat to throw en exception for files in an ez"); |
| } catch (IOException e) { |
| assertExceptionContains( |
| "concat can not be called for files in an encryption zone", e); |
| } |
| fs.delete(ez, true); |
| } |
| |
| /** |
| * Test running the OfflineImageViewer on a system with encryption zones. |
| */ |
| @Test(timeout = 60000) |
| public void testOfflineImageViewerOnEncryptionZones() throws Exception { |
| final int len = 8196; |
| final Path zoneParent = new Path("/zones"); |
| final Path zone1 = new Path(zoneParent, "zone1"); |
| final Path zone1File = new Path(zone1, "file"); |
| fsWrapper.mkdir(zone1, FsPermission.getDirDefault(), true); |
| dfsAdmin.createEncryptionZone(zone1, TEST_KEY); |
| DFSTestUtil.createFile(fs, zone1File, len, (short) 1, 0xFEED); |
| fs.setSafeMode(SafeModeAction.SAFEMODE_ENTER, false); |
| fs.saveNamespace(); |
| |
| File originalFsimage = FSImageTestUtil.findLatestImageFile(FSImageTestUtil |
| .getFSImage(cluster.getNameNode()).getStorage().getStorageDir(0)); |
| if (originalFsimage == null) { |
| throw new RuntimeException("Didn't generate or can't find fsimage"); |
| } |
| |
| // Run the XML OIV processor |
| StringWriter output = new StringWriter(); |
| PrintWriter pw = new PrintWriter(output); |
| PBImageXmlWriter v = new PBImageXmlWriter(new Configuration(), pw); |
| v.visit(new RandomAccessFile(originalFsimage, "r")); |
| final String xml = output.getBuffer().toString(); |
| SAXParser parser = SAXParserFactory.newInstance().newSAXParser(); |
| parser.parse(new InputSource(new StringReader(xml)), new DefaultHandler()); |
| } |
| |
| /** |
| * Test creating encryption zone on the root path |
| */ |
| @Test(timeout = 60000) |
| public void testEncryptionZonesOnRootPath() throws Exception { |
| final int len = 8196; |
| final Path rootDir = new Path("/"); |
| final Path zoneFile = new Path(rootDir, "file"); |
| final Path rawFile = new Path("/.reserved/raw/file"); |
| dfsAdmin.createEncryptionZone(rootDir, TEST_KEY); |
| DFSTestUtil.createFile(fs, zoneFile, len, (short) 1, 0xFEED); |
| |
| assertEquals("File can be created on the root encryption zone " + |
| "with correct length", |
| len, fs.getFileStatus(zoneFile).getLen()); |
| assertEquals("Root dir is encrypted", |
| true, fs.getFileStatus(rootDir).isEncrypted()); |
| assertEquals("File is encrypted", |
| true, fs.getFileStatus(zoneFile).isEncrypted()); |
| DFSTestUtil.verifyFilesNotEqual(fs, zoneFile, rawFile, len); |
| } |
| } |
