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HDFS-10922. Adding additional unit tests for Trash (II). Contributed by Weiwei Yang. 

(cherry picked from commit f1802d0be05ecc0b3248690b6f9efedbc7784112)
This commit is contained in:
Xiaoyu Yao 2016-10-17 08:22:31 -07:00
parent 36dad0abca
commit f8b2d77207
3 changed files with 187 additions and 23 deletions
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40
hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/DFSTestUtil.java
View File

@ -162,6 +162,7 @@
import com.google.common.base.Charsets;
import com.google.common.base.Joiner;
import com.google.common.base.Preconditions;
import com.google.common.base.Strings;
import com.google.common.base.Supplier;
import com.google.common.collect.Lists;
import com.google.common.collect.Maps;
@ -1930,4 +1931,43 @@ public static Block addBlockToFile(
lastBlock.setNumBytes(len);
return lastBlock;
}
/**
* Close current file system and create a new instance as given
* {@link UserGroupInformation}.
*/
public static FileSystem login(final FileSystem fs,
final Configuration conf, final UserGroupInformation ugi)
throws IOException, InterruptedException {
if (fs != null) {
fs.close();
}
return DFSTestUtil.getFileSystemAs(ugi, conf);
}
/**
* Test if the given {@link FileStatus} user, group owner and its permission
* are expected, throw {@link AssertionError} if any value is not expected.
*/
public static void verifyFilePermission(FileStatus stat, String owner,
String group, FsAction u, FsAction g, FsAction o) {
if(stat != null) {
if(!Strings.isNullOrEmpty(owner)) {
assertEquals(owner, stat.getOwner());
}
if(!Strings.isNullOrEmpty(group)) {
assertEquals(group, stat.getGroup());
}
FsPermission permission = stat.getPermission();
if(u != null) {
assertEquals(u, permission.getUserAction());
}
if (g != null) {
assertEquals(g, permission.getGroupAction());
}
if (o != null) {
assertEquals(o, permission.getOtherAction());
}
}
}
}

23
hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/TestDFSPermission.java
View File

@ -41,6 +41,7 @@
import org.apache.hadoop.fs.Path;
import org.apache.hadoop.fs.permission.FsPermission;
import org.apache.hadoop.fs.permission.FsAction;
import org.apache.hadoop.fs.Trash;
import org.apache.hadoop.security.AccessControlException;
import org.apache.hadoop.security.UserGroupInformation;
import org.apache.hadoop.util.Time;
@ -287,7 +288,7 @@ public void testImmutableFsPermission() throws IOException {
fs.setPermission(new Path("/"),
FsPermission.createImmutable((short)0777));
}
/* check if the ownership of a file/directory is set correctly */
@Test
public void testOwnership() throws Exception {
@ -324,7 +325,7 @@ private void testOwnership(OpType op) throws Exception {
setOwner(FILE_DIR_PATH, USER1.getShortUserName(), GROUP3_NAME, false);
// case 3: user1 changes FILE_DIR_PATH's owner to be user2
login(USER1);
fs = DFSTestUtil.login(fs, conf, USER1);
setOwner(FILE_DIR_PATH, USER2.getShortUserName(), null, true);
// case 4: user1 changes FILE_DIR_PATH's group to be group1 which it belongs
@ -336,14 +337,14 @@ private void testOwnership(OpType op) throws Exception {
setOwner(FILE_DIR_PATH, null, GROUP3_NAME, true);
// case 6: user2 (non-owner) changes FILE_DIR_PATH's group to be group3
login(USER2);
fs = DFSTestUtil.login(fs, conf, USER2);
setOwner(FILE_DIR_PATH, null, GROUP3_NAME, true);
// case 7: user2 (non-owner) changes FILE_DIR_PATH's user to be user2
setOwner(FILE_DIR_PATH, USER2.getShortUserName(), null, true);
// delete the file/directory
login(SUPERUSER);
fs = DFSTestUtil.login(fs, conf, SUPERUSER);
fs.delete(FILE_DIR_PATH, true);
}
@ -585,7 +586,7 @@ private void testPermissionCheckingPerUser(UserGroupInformation ugi,
short[] filePermission, Path[] parentDirs, Path[] files, Path[] dirs)
throws Exception {
boolean[] isDirEmpty = new boolean[NUM_TEST_PERMISSIONS];
login(SUPERUSER);
fs = DFSTestUtil.login(fs, conf, SUPERUSER);
for (int i = 0; i < NUM_TEST_PERMISSIONS; i++) {
create(OpType.CREATE, files[i]);
create(OpType.MKDIRS, dirs[i]);
@ -601,7 +602,7 @@ private void testPermissionCheckingPerUser(UserGroupInformation ugi,
isDirEmpty[i] = (fs.listStatus(dirs[i]).length == 0);
}
login(ugi);
fs = DFSTestUtil.login(fs, conf, ugi);
for (int i = 0; i < NUM_TEST_PERMISSIONS; i++) {
testCreateMkdirs(ugi, new Path(parentDirs[i], FILE_DIR_NAME),
ancestorPermission[i], parentPermission[i]);
@ -1156,16 +1157,6 @@ private void testDeleteDir(UserGroupInformation ugi, Path path,
ddpv.verifyPermission(ugi);
}
/* log into dfs as the given user */
private void login(UserGroupInformation ugi) throws IOException,
InterruptedException {
if (fs != null) {
fs.close();
}
fs = DFSTestUtil.getFileSystemAs(ugi, conf);
}
/* test non-existent file */
private void checkNonExistentFile() {
try {

147
hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/TestHDFSTrash.java
View File

@ -17,27 +17,79 @@
*/
package org.apache.hadoop.hdfs;
import java.io.IOException;
import static org.junit.Assert.assertFalse;
import static org.junit.Assert.assertTrue;
import static org.junit.Assert.fail;
import java.io.IOException;
import java.util.UUID;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.apache.hadoop.conf.Configuration;
import org.apache.hadoop.fs.CommonConfigurationKeys;
import org.apache.hadoop.fs.FileSystem;
import org.apache.hadoop.fs.Path;
import org.apache.hadoop.fs.TestTrash;
import org.apache.hadoop.fs.Trash;
import org.apache.hadoop.fs.permission.FsAction;
import org.apache.hadoop.fs.permission.FsPermission;
import org.apache.hadoop.security.AccessControlException;
import org.apache.hadoop.security.UserGroupInformation;
import org.junit.AfterClass;
import org.junit.BeforeClass;
import org.junit.Test;
import org.mockito.Mockito;
/**
* Test trash using HDFS
*/
public class TestHDFSTrash {
public static final Log LOG = LogFactory.getLog(TestHDFSTrash.class);
private static MiniDFSCluster cluster = null;
private static FileSystem fs;
private static Configuration conf = new HdfsConfiguration();
private final static Path TEST_ROOT = new Path("/TestHDFSTrash-ROOT");
private final static Path TRASH_ROOT = new Path("/TestHDFSTrash-TRASH");
final private static String GROUP1_NAME = "group1";
final private static String GROUP2_NAME = "group2";
final private static String GROUP3_NAME = "group3";
final private static String USER1_NAME = "user1";
final private static String USER2_NAME = "user2";
private static UserGroupInformation superUser;
private static UserGroupInformation user1;
private static UserGroupInformation user2;
@BeforeClass
public static void setUp() throws Exception {
Configuration conf = new HdfsConfiguration();
cluster = new MiniDFSCluster.Builder(conf).numDataNodes(2).build();
fs = FileSystem.get(conf);
superUser = UserGroupInformation.getCurrentUser();
user1 = UserGroupInformation.createUserForTesting(USER1_NAME,
new String[] {GROUP1_NAME, GROUP2_NAME});
user2 = UserGroupInformation.createUserForTesting(USER2_NAME,
new String[] {GROUP2_NAME, GROUP3_NAME});
// Init test and trash root dirs in HDFS
fs.mkdirs(TEST_ROOT);
fs.setPermission(TEST_ROOT, new FsPermission((short) 0777));
DFSTestUtil.verifyFilePermission(
fs.getFileStatus(TEST_ROOT),
superUser.getShortUserName(),
null, FsAction.ALL, FsAction.ALL, FsAction.ALL);
fs.mkdirs(TRASH_ROOT);
fs.setPermission(TRASH_ROOT, new FsPermission((short) 0777));
DFSTestUtil.verifyFilePermission(
fs.getFileStatus(TRASH_ROOT),
superUser.getShortUserName(),
null, FsAction.ALL, FsAction.ALL, FsAction.ALL);
}
@AfterClass
@ -52,9 +104,90 @@ public void testTrash() throws IOException {
@Test
public void testNonDefaultFS() throws IOException {
FileSystem fs = cluster.getFileSystem();
Configuration conf = fs.getConf();
conf.set(DFSConfigKeys.FS_DEFAULT_NAME_KEY, fs.getUri().toString());
TestTrash.trashNonDefaultFS(conf);
FileSystem fileSystem = cluster.getFileSystem();
Configuration config = fileSystem.getConf();
config.set(CommonConfigurationKeys.FS_DEFAULT_NAME_KEY,
fileSystem.getUri().toString());
TestTrash.trashNonDefaultFS(config);
}
@Test
public void testHDFSTrashPermission() throws IOException {
FileSystem fileSystem = cluster.getFileSystem();
Configuration config = fileSystem.getConf();
config.set(CommonConfigurationKeys.FS_TRASH_INTERVAL_KEY, "0.2");
TestTrash.verifyTrashPermission(fileSystem, config);
}
@Test
public void testMoveEmptyDirToTrash() throws IOException {
FileSystem fileSystem = cluster.getFileSystem();
Configuration config = fileSystem.getConf();
config.set(CommonConfigurationKeys.FS_TRASH_INTERVAL_KEY, "1");
TestTrash.verifyMoveEmptyDirToTrash(fileSystem, config);
}
@Test
public void testDeleteTrash() throws Exception {
Configuration testConf = new Configuration(conf);
testConf.set(CommonConfigurationKeys.FS_TRASH_INTERVAL_KEY, "10");
Path user1Tmp = new Path(TEST_ROOT, "test-del-u1");
Path user2Tmp = new Path(TEST_ROOT, "test-del-u2");
// login as user1, move something to trash
// verify user1 can remove its own trash dir
fs = DFSTestUtil.login(fs, testConf, user1);
fs.mkdirs(user1Tmp);
Trash u1Trash = getPerUserTrash(user1, fs, testConf);
Path u1t = u1Trash.getCurrentTrashDir(user1Tmp);
assertTrue(String.format("Failed to move %s to trash", user1Tmp),
u1Trash.moveToTrash(user1Tmp));
assertTrue(
String.format(
"%s should be allowed to remove its own trash directory %s",
user1.getUserName(), u1t),
fs.delete(u1t, true));
assertFalse(fs.exists(u1t));
// login as user2, move something to trash
fs = DFSTestUtil.login(fs, testConf, user2);
fs.mkdirs(user2Tmp);
Trash u2Trash = getPerUserTrash(user2, fs, testConf);
u2Trash.moveToTrash(user2Tmp);
Path u2t = u2Trash.getCurrentTrashDir(user2Tmp);
try {
// user1 should not be able to remove user2's trash dir
fs = DFSTestUtil.login(fs, testConf, user1);
fs.delete(u2t, true);
fail(String.format("%s should not be able to remove %s trash directory",
USER1_NAME, USER2_NAME));
} catch (AccessControlException e) {
assertTrue(e instanceof AccessControlException);
assertTrue("Permission denied messages must carry the username",
e.getMessage().contains(USER1_NAME));
}
}
/**
* Return a {@link Trash} instance using giving configuration.
* The trash root directory is set to an unique directory under
* {@link #TRASH_ROOT}. Use this method to isolate trash
* directories for different users.
*/
private Trash getPerUserTrash(UserGroupInformation ugi,
FileSystem fileSystem, Configuration config) throws IOException {
// generate an unique path per instance
UUID trashId = UUID.randomUUID();
StringBuffer sb = new StringBuffer()
.append(ugi.getUserName())
.append("-")
.append(trashId.toString());
Path userTrashRoot = new Path(TRASH_ROOT, sb.toString());
FileSystem spyUserFs = Mockito.spy(fileSystem);
Mockito.when(spyUserFs.getTrashRoot(Mockito.any(Path.class)))
.thenReturn(userTrashRoot);
return new Trash(spyUserFs, config);
}
}