HDFS-15429. mkdirs should work when parent dir is an internalDir and fallback configured. Contributed by Uma Maheswara Rao G.
(cherry picked from commit d5e1bb6155)
This commit is contained in:
Uma Maheswara Rao G
parent
29a8ee4be6
commit
81e33d22a0
|
|
@ -1339,6 +1339,31 @@ public boolean mkdirs(Path dir, FsPermission permission)
|
|||
dir.toString().substring(1))) {
|
||||
return true; // this is the stupid semantics of FileSystem
|
||||
}
|
||||
|
||||
if (this.fsState.getRootFallbackLink() != null) {
|
||||
FileSystem linkedFallbackFs =
|
||||
this.fsState.getRootFallbackLink().getTargetFileSystem();
|
||||
Path parent = Path.getPathWithoutSchemeAndAuthority(
|
||||
new Path(theInternalDir.fullPath));
|
||||
String leafChild = (InodeTree.SlashPath.equals(dir)) ?
|
||||
InodeTree.SlashPath.toString() :
|
||||
dir.getName();
|
||||
Path dirToCreate = new Path(parent, leafChild);
|
||||
|
||||
try {
|
||||
return linkedFallbackFs.mkdirs(dirToCreate, permission);
|
||||
} catch (IOException e) {
|
||||
if (LOG.isDebugEnabled()) {
|
||||
StringBuilder msg =
|
||||
new StringBuilder("Failed to create ").append(dirToCreate)
|
||||
.append(" at fallback : ")
|
||||
.append(linkedFallbackFs.getUri());
|
||||
LOG.debug(msg.toString(), e);
|
||||
}
|
||||
return false;
|
||||
}
|
||||
}
|
||||
|
||||
throw readOnlyMountTable("mkdirs", dir);
|
||||
}
|
||||
|
||||
|
|
|
|||
|
|
@ -1134,11 +1134,35 @@ private FileStatus[] listStatusForFallbackLink() throws IOException {
|
|||
|
||||
@Override
|
||||
public void mkdir(final Path dir, final FsPermission permission,
|
||||
final boolean createParent) throws AccessControlException,
|
||||
FileAlreadyExistsException {
|
||||
final boolean createParent) throws IOException {
|
||||
if (theInternalDir.isRoot() && dir == null) {
|
||||
throw new FileAlreadyExistsException("/ already exits");
|
||||
}
|
||||
|
||||
if (this.fsState.getRootFallbackLink() != null) {
|
||||
AbstractFileSystem linkedFallbackFs =
|
||||
this.fsState.getRootFallbackLink().getTargetFileSystem();
|
||||
Path parent = Path.getPathWithoutSchemeAndAuthority(
|
||||
new Path(theInternalDir.fullPath));
|
||||
String leafChild = (InodeTree.SlashPath.equals(dir)) ?
|
||||
InodeTree.SlashPath.toString() :
|
||||
dir.getName();
|
||||
Path dirToCreate = new Path(parent, leafChild);
|
||||
try {
|
||||
// We are here because, the parent dir already exist in the mount
|
||||
// table internal tree. So, let's create parent always in fallback.
|
||||
linkedFallbackFs.mkdir(dirToCreate, permission, true);
|
||||
return;
|
||||
} catch (IOException e) {
|
||||
if (LOG.isDebugEnabled()) {
|
||||
StringBuilder msg = new StringBuilder("Failed to create {}")
|
||||
.append(" at fallback fs : {}");
|
||||
LOG.debug(msg.toString(), dirToCreate, linkedFallbackFs.getUri());
|
||||
}
|
||||
throw e;
|
||||
}
|
||||
}
|
||||
|
||||
throw readOnlyMountTable("mkdir", dir);
|
||||
}
|
||||
|
||||
|
|
|
|||
|
|
@ -19,6 +19,7 @@
|
|||
|
||||
import static org.junit.Assert.assertEquals;
|
||||
import static org.junit.Assert.assertFalse;
|
||||
import static org.junit.Assert.assertNotNull;
|
||||
import static org.junit.Assert.assertTrue;
|
||||
import static org.junit.Assert.fail;
|
||||
|
||||
|
|
@ -69,7 +70,7 @@ public class TestViewFileSystemLinkFallback extends ViewFileSystemBaseTest {
|
|||
"/tmp/TestViewFileSystemLinkFallback";
|
||||
private final static Logger LOG = LoggerFactory.getLogger(
|
||||
TestViewFileSystemLinkFallback.class);
|
||||
|
||||
private static URI viewFsDefaultClusterUri;
|
||||
|
||||
@Override
|
||||
protected FileSystemTestHelper createFileSystemHelper() {
|
||||
|
|
@ -93,6 +94,8 @@ public static void clusterSetupAtBeginning() throws IOException,
|
|||
FS_HDFS[i] = cluster.getFileSystem(i);
|
||||
}
|
||||
fsDefault = FS_HDFS[FS_INDEX_DEFAULT];
|
||||
viewFsDefaultClusterUri = new URI(FsConstants.VIEWFS_SCHEME,
|
||||
Constants.CONFIG_VIEWFS_DEFAULT_MOUNT_TABLE, "/", null, null);
|
||||
}
|
||||
|
||||
@AfterClass
|
||||
|
|
@ -327,21 +330,20 @@ public void testListingWithFallbackLinkWithSameMountDirectories()
|
|||
fsTarget.mkdirs(dir1);
|
||||
fsTarget.mkdirs(dir2);
|
||||
String clusterName = Constants.CONFIG_VIEWFS_DEFAULT_MOUNT_TABLE;
|
||||
URI viewFsUri = new URI(FsConstants.VIEWFS_SCHEME, clusterName,
|
||||
"/", null, null);
|
||||
|
||||
HashSet<Path> beforeFallback = new HashSet<>();
|
||||
try(FileSystem vfs = FileSystem.get(viewFsUri, conf)) {
|
||||
for (FileStatus stat : vfs.listStatus(new Path(viewFsUri.toString()))) {
|
||||
try (FileSystem vfs = FileSystem.get(viewFsDefaultClusterUri, conf)) {
|
||||
for (FileStatus stat : vfs
|
||||
.listStatus(new Path(viewFsDefaultClusterUri.toString()))) {
|
||||
beforeFallback.add(stat.getPath());
|
||||
}
|
||||
}
|
||||
ConfigUtil.addLinkFallback(conf, clusterName,
|
||||
new Path(targetTestRoot, "fallbackDir").toUri());
|
||||
|
||||
try (FileSystem vfs = FileSystem.get(viewFsUri, conf)) {
|
||||
try (FileSystem vfs = FileSystem.get(viewFsDefaultClusterUri, conf)) {
|
||||
HashSet<Path> afterFallback = new HashSet<>();
|
||||
for (FileStatus stat : vfs.listStatus(new Path(viewFsUri.toString()))) {
|
||||
for (FileStatus stat : vfs
|
||||
.listStatus(new Path(viewFsDefaultClusterUri.toString()))) {
|
||||
afterFallback.add(stat.getPath());
|
||||
}
|
||||
afterFallback.removeAll(beforeFallback);
|
||||
|
|
@ -349,7 +351,7 @@ public void testListingWithFallbackLinkWithSameMountDirectories()
|
|||
1, afterFallback.size());
|
||||
Path[] fallbackArray = new Path[afterFallback.size()];
|
||||
// Only user1 should be listed as fallback link
|
||||
Path expected = new Path(viewFsUri.toString(), "user1");
|
||||
Path expected = new Path(viewFsDefaultClusterUri.toString(), "user1");
|
||||
assertEquals("Path did not match",
|
||||
expected, afterFallback.toArray(fallbackArray)[0]);
|
||||
|
||||
|
|
@ -401,23 +403,21 @@ public void testListingWithFallbackLinkWithSameMountDirectoryTree()
|
|||
fsTarget.mkdirs(dir2);
|
||||
fsTarget.setPermission(new Path(targetTestRoot, "fallbackDir/user1/hive/"),
|
||||
FsPermission.valueOf("-rwxr--r--"));
|
||||
URI viewFsUri = new URI(FsConstants.VIEWFS_SCHEME,
|
||||
Constants.CONFIG_VIEWFS_DEFAULT_MOUNT_TABLE, "/", null, null);
|
||||
|
||||
HashSet<Path> beforeFallback = new HashSet<>();
|
||||
try (FileSystem vfs = FileSystem.get(viewFsUri, conf)) {
|
||||
for (FileStatus stat : vfs
|
||||
.listStatus(new Path(viewFsUri.toString(), "/user1/hive/"))) {
|
||||
try (FileSystem vfs = FileSystem.get(viewFsDefaultClusterUri, conf)) {
|
||||
for (FileStatus stat : vfs.listStatus(
|
||||
new Path(viewFsDefaultClusterUri.toString(), "/user1/hive/"))) {
|
||||
beforeFallback.add(stat.getPath());
|
||||
}
|
||||
}
|
||||
ConfigUtil
|
||||
.addLinkFallback(conf, new Path(targetTestRoot, "fallbackDir").toUri());
|
||||
|
||||
try (FileSystem vfs = FileSystem.get(viewFsUri, conf)) {
|
||||
try (FileSystem vfs = FileSystem.get(viewFsDefaultClusterUri, conf)) {
|
||||
HashSet<Path> afterFallback = new HashSet<>();
|
||||
for (FileStatus stat : vfs
|
||||
.listStatus(new Path(viewFsUri.toString(), "/user1/hive/"))) {
|
||||
for (FileStatus stat : vfs.listStatus(
|
||||
new Path(viewFsDefaultClusterUri.toString(), "/user1/hive/"))) {
|
||||
afterFallback.add(stat.getPath());
|
||||
if (dir1.getName().equals(stat.getPath().getName())) {
|
||||
// make sure fallback dir listed out with correct permissions, but not
|
||||
|
|
@ -426,7 +426,6 @@ public void testListingWithFallbackLinkWithSameMountDirectoryTree()
|
|||
stat.getPermission());
|
||||
}
|
||||
}
|
||||
//
|
||||
//viewfs://default/user1/hive/warehouse
|
||||
afterFallback.removeAll(beforeFallback);
|
||||
assertEquals("The same directory name in fallback link should be shaded",
|
||||
|
|
@ -475,23 +474,23 @@ public void testLSOnLinkParentWithFallbackLinkWithSameMountDirectoryTree()
|
|||
"fallbackDir/user1/hive/warehouse/partition-0"),
|
||||
FsPermission.valueOf("-rwxr--r--"));
|
||||
fsTarget.setPermission(targetTestRoot, FsPermission.valueOf("-rwxr--rw-"));
|
||||
URI viewFsUri = new URI(FsConstants.VIEWFS_SCHEME,
|
||||
Constants.CONFIG_VIEWFS_DEFAULT_MOUNT_TABLE, "/", null, null);
|
||||
|
||||
HashSet<Path> beforeFallback = new HashSet<>();
|
||||
try (FileSystem vfs = FileSystem.get(viewFsUri, conf)) {
|
||||
try (FileSystem vfs = FileSystem.get(viewFsDefaultClusterUri, conf)) {
|
||||
for (FileStatus stat : vfs.listStatus(
|
||||
new Path(viewFsUri.toString(), "/user1/hive/warehouse/"))) {
|
||||
new Path(viewFsDefaultClusterUri.toString(),
|
||||
"/user1/hive/warehouse/"))) {
|
||||
beforeFallback.add(stat.getPath());
|
||||
}
|
||||
}
|
||||
ConfigUtil
|
||||
.addLinkFallback(conf, new Path(targetTestRoot, "fallbackDir").toUri());
|
||||
|
||||
try (FileSystem vfs = FileSystem.get(viewFsUri, conf)) {
|
||||
try (FileSystem vfs = FileSystem.get(viewFsDefaultClusterUri, conf)) {
|
||||
HashSet<Path> afterFallback = new HashSet<>();
|
||||
for (FileStatus stat : vfs.listStatus(
|
||||
new Path(viewFsUri.toString(), "/user1/hive/warehouse/"))) {
|
||||
new Path(viewFsDefaultClusterUri.toString(),
|
||||
"/user1/hive/warehouse/"))) {
|
||||
afterFallback.add(stat.getPath());
|
||||
if (dir1.getName().equals(stat.getPath().getName())) {
|
||||
// make sure fallback dir listed out with correct permissions, but not
|
||||
|
|
@ -508,7 +507,7 @@ public void testLSOnLinkParentWithFallbackLinkWithSameMountDirectoryTree()
|
|||
|
||||
/**
|
||||
* Tests ListStatus on root with fallback configured.
|
||||
* =============================Example.=======================================
|
||||
* =============================Example.======================================
|
||||
* ===== Fallback path tree =============== Mount Path Tree ==================
|
||||
* ===========================================================================
|
||||
* * / / ***** / ***
|
||||
|
|
@ -536,23 +535,21 @@ public void testLSOnRootWithFallbackLinkWithSameMountDirectories()
|
|||
fsTarget.mkdirs(dir1);
|
||||
fsTarget.mkdirs(dir2, FsPermission.valueOf("-rwxr--r--"));
|
||||
fsTarget.setPermission(targetTestRoot, FsPermission.valueOf("-rwxr--rw-"));
|
||||
URI viewFsUri = new URI(FsConstants.VIEWFS_SCHEME,
|
||||
Constants.CONFIG_VIEWFS_DEFAULT_MOUNT_TABLE, "/", null, null);
|
||||
|
||||
HashSet<Path> beforeFallback = new HashSet<>();
|
||||
try (FileSystem vfs = FileSystem.get(viewFsUri, conf)) {
|
||||
try (FileSystem vfs = FileSystem.get(viewFsDefaultClusterUri, conf)) {
|
||||
for (FileStatus stat : vfs
|
||||
.listStatus(new Path(viewFsUri.toString(), "/"))) {
|
||||
.listStatus(new Path(viewFsDefaultClusterUri.toString(), "/"))) {
|
||||
beforeFallback.add(stat.getPath());
|
||||
}
|
||||
}
|
||||
ConfigUtil
|
||||
.addLinkFallback(conf, new Path(targetTestRoot, "fallbackDir").toUri());
|
||||
|
||||
try (FileSystem vfs = FileSystem.get(viewFsUri, conf)) {
|
||||
try (FileSystem vfs = FileSystem.get(viewFsDefaultClusterUri, conf)) {
|
||||
HashSet<Path> afterFallback = new HashSet<>();
|
||||
for (FileStatus stat : vfs
|
||||
.listStatus(new Path(viewFsUri.toString(), "/"))) {
|
||||
.listStatus(new Path(viewFsDefaultClusterUri.toString(), "/"))) {
|
||||
afterFallback.add(stat.getPath());
|
||||
if (dir1.getName().equals(stat.getPath().getName())) {
|
||||
// make sure fallback dir listed out with correct permissions, but not
|
||||
|
|
@ -584,15 +581,14 @@ public void testLSOnLinkParentWhereMountLinkMatchesWithAFileUnderFallback()
|
|||
fsTarget.createNewFile(file1);
|
||||
Path dir2 = new Path(targetTestRoot, "fallbackDir/user1/hive/warehouse1");
|
||||
fsTarget.mkdirs(dir2);
|
||||
URI viewFsUri = new URI(FsConstants.VIEWFS_SCHEME,
|
||||
Constants.CONFIG_VIEWFS_DEFAULT_MOUNT_TABLE, "/", null, null);
|
||||
|
||||
ConfigUtil
|
||||
.addLinkFallback(conf, new Path(targetTestRoot, "fallbackDir").toUri());
|
||||
|
||||
try (FileSystem vfs = FileSystem.get(viewFsUri, conf)) {
|
||||
try (FileSystem vfs = FileSystem.get(viewFsDefaultClusterUri, conf)) {
|
||||
for (FileStatus stat : vfs.listStatus(
|
||||
new Path(viewFsUri.toString(), "/user1/hive/warehouse/"))) {
|
||||
new Path(viewFsDefaultClusterUri.toString(),
|
||||
"/user1/hive/warehouse/"))) {
|
||||
if (file1.getName().equals(stat.getPath().getName())) {
|
||||
// Link represents as symlink.
|
||||
assertFalse(stat.isFile());
|
||||
|
|
@ -606,4 +602,167 @@ public void testLSOnLinkParentWhereMountLinkMatchesWithAFileUnderFallback()
|
|||
}
|
||||
}
|
||||
}
|
||||
|
||||
/**
|
||||
* Tests that directory making should be successful when the parent directory
|
||||
* is same as the existent fallback directory. The new dir should be created
|
||||
* in fallback instead failing.
|
||||
*/
|
||||
@Test
|
||||
public void testMkdirsOfLinkParentWithFallbackLinkWithSameMountDirectoryTree()
|
||||
throws Exception {
|
||||
Configuration conf = new Configuration();
|
||||
conf.setBoolean(Constants.CONFIG_VIEWFS_MOUNT_LINKS_AS_SYMLINKS, false);
|
||||
ConfigUtil.addLink(conf, "/user1/hive/warehouse/partition-0",
|
||||
new Path(targetTestRoot.toString()).toUri());
|
||||
Path dir1 = new Path(targetTestRoot,
|
||||
"fallbackDir/user1/hive/warehouse/partition-0");
|
||||
fsTarget.mkdirs(dir1);
|
||||
Path fallbackTarget = new Path(targetTestRoot, "fallbackDir");
|
||||
ConfigUtil.addLinkFallback(conf, fallbackTarget.toUri());
|
||||
|
||||
try (FileSystem vfs = FileSystem.get(viewFsDefaultClusterUri, conf)) {
|
||||
Path p = new Path("/user1/hive/warehouse/test");
|
||||
Path test = Path.mergePaths(fallbackTarget, p);
|
||||
assertFalse(fsTarget.exists(test));
|
||||
assertTrue(vfs.mkdirs(p));
|
||||
assertTrue(fsTarget.exists(test));
|
||||
}
|
||||
}
|
||||
|
||||
/**
|
||||
* Tests that directory making should be successful when attempting to create
|
||||
* the root directory as it's already exist.
|
||||
*/
|
||||
@Test
|
||||
public void testMkdirsOfRootWithFallbackLinkAndMountWithSameDirTree()
|
||||
throws Exception {
|
||||
Configuration conf = new Configuration();
|
||||
conf.setBoolean(Constants.CONFIG_VIEWFS_MOUNT_LINKS_AS_SYMLINKS, false);
|
||||
ConfigUtil
|
||||
.addLink(conf, "/user1", new Path(targetTestRoot.toString()).toUri());
|
||||
Path dir1 = new Path(targetTestRoot, "fallbackDir/user1");
|
||||
fsTarget.mkdirs(dir1);
|
||||
Path fallbackTarget = new Path(targetTestRoot, "fallbackDir");
|
||||
ConfigUtil.addLinkFallback(conf, fallbackTarget.toUri());
|
||||
try (FileSystem vfs = FileSystem.get(viewFsDefaultClusterUri, conf)) {
|
||||
Path p = new Path("/");
|
||||
Path test = Path.mergePaths(fallbackTarget, p);
|
||||
assertTrue(fsTarget.exists(test));
|
||||
assertTrue(vfs.mkdirs(p));
|
||||
assertTrue(fsTarget.exists(test));
|
||||
}
|
||||
}
|
||||
|
||||
/**
|
||||
* Tests the making of a new directory which is not matching to any of
|
||||
* internal directory under the root.
|
||||
*/
|
||||
@Test
|
||||
public void testMkdirsOfNewDirWithOutMatchingToMountOrFallbackDirTree()
|
||||
throws Exception {
|
||||
Configuration conf = new Configuration();
|
||||
conf.setBoolean(Constants.CONFIG_VIEWFS_MOUNT_LINKS_AS_SYMLINKS, false);
|
||||
ConfigUtil.addLink(conf, "/user1/hive/warehouse/partition-0",
|
||||
new Path(targetTestRoot.toString()).toUri());
|
||||
Path fallbackTarget = new Path(targetTestRoot, "fallbackDir");
|
||||
fsTarget.mkdirs(fallbackTarget);
|
||||
ConfigUtil.addLinkFallback(conf, fallbackTarget.toUri());
|
||||
|
||||
try (FileSystem vfs = FileSystem.get(viewFsDefaultClusterUri, conf)) {
|
||||
// user2 does not exist in fallback
|
||||
Path p = new Path("/user2");
|
||||
Path test = Path.mergePaths(fallbackTarget, p);
|
||||
assertFalse(fsTarget.exists(test));
|
||||
assertTrue(vfs.mkdirs(p));
|
||||
assertTrue(fsTarget.exists(test));
|
||||
}
|
||||
}
|
||||
|
||||
/**
|
||||
* Tests that when the parent dirs does not exist in fallback but the parent
|
||||
* dir is same as mount internal directory, then we create parent structure
|
||||
* (mount internal directory tree structure) in fallback.
|
||||
*/
|
||||
@Test
|
||||
public void testMkdirsWithFallbackLinkWithMountPathMatchingDirExist()
|
||||
throws Exception {
|
||||
Configuration conf = new Configuration();
|
||||
conf.setBoolean(Constants.CONFIG_VIEWFS_MOUNT_LINKS_AS_SYMLINKS, false);
|
||||
ConfigUtil.addLink(conf, "/user1/hive",
|
||||
new Path(targetTestRoot.toString()).toUri());
|
||||
Path fallbackTarget = new Path(targetTestRoot, "fallbackDir");
|
||||
fsTarget.mkdirs(fallbackTarget);
|
||||
ConfigUtil.addLinkFallback(conf, fallbackTarget.toUri());
|
||||
|
||||
try (FileSystem vfs = FileSystem.get(viewFsDefaultClusterUri, conf)) {
|
||||
//user1 does not exist in fallback
|
||||
Path immediateLevelToInternalDir = new Path("/user1/test");
|
||||
Path test = Path.mergePaths(fallbackTarget, immediateLevelToInternalDir);
|
||||
assertFalse(fsTarget.exists(test));
|
||||
assertTrue(vfs.mkdirs(immediateLevelToInternalDir));
|
||||
assertTrue(fsTarget.exists(test));
|
||||
}
|
||||
}
|
||||
|
||||
/**
|
||||
* Tests that when the parent dirs does not exist in fallback but the
|
||||
* immediate parent dir is not same as mount internal directory, then we
|
||||
* create parent structure (mount internal directory tree structure) in
|
||||
* fallback.
|
||||
*/
|
||||
@Test
|
||||
public void testMkdirsOfDeepTreeWithFallbackLinkAndMountPathMatchingDirExist()
|
||||
throws Exception {
|
||||
Configuration conf = new Configuration();
|
||||
conf.setBoolean(Constants.CONFIG_VIEWFS_MOUNT_LINKS_AS_SYMLINKS, false);
|
||||
ConfigUtil.addLink(conf, "/user1/hive",
|
||||
new Path(targetTestRoot.toString()).toUri());
|
||||
Path fallbackTarget = new Path(targetTestRoot, "fallbackDir");
|
||||
fsTarget.mkdirs(fallbackTarget);
|
||||
ConfigUtil.addLinkFallback(conf, fallbackTarget.toUri());
|
||||
|
||||
try (FileSystem vfs = FileSystem.get(viewFsDefaultClusterUri, conf)) {
|
||||
//user1 does not exist in fallback
|
||||
Path multipleLevelToInternalDir = new Path("/user1/test/test");
|
||||
Path test = Path.mergePaths(fallbackTarget, multipleLevelToInternalDir);
|
||||
assertFalse(fsTarget.exists(test));
|
||||
assertTrue(vfs.mkdirs(multipleLevelToInternalDir));
|
||||
assertTrue(fsTarget.exists(test));
|
||||
}
|
||||
}
|
||||
|
||||
/**
|
||||
* Tests that mkdirs should return false when there is a problem with
|
||||
* fallbackfs.
|
||||
*/
|
||||
@Test
|
||||
public void testMkdirsShouldReturnFalseWhenFallbackFSNotAvailable()
|
||||
throws Exception {
|
||||
Configuration conf = new Configuration();
|
||||
conf.setBoolean(Constants.CONFIG_VIEWFS_MOUNT_LINKS_AS_SYMLINKS, false);
|
||||
ConfigUtil.addLink(conf, "/user1/test",
|
||||
new Path(targetTestRoot.toString()).toUri());
|
||||
Path fallbackTarget = new Path(targetTestRoot, "fallbackDir");
|
||||
fsTarget.mkdirs(fallbackTarget);
|
||||
ConfigUtil.addLinkFallback(conf, fallbackTarget.toUri());
|
||||
try (FileSystem vfs = FileSystem.get(viewFsDefaultClusterUri, conf)) {
|
||||
//user1/test1 does not exist in fallback
|
||||
Path nextLevelToInternalDir = new Path("/user1/test1");
|
||||
Path test = Path.mergePaths(fallbackTarget, nextLevelToInternalDir);
|
||||
assertFalse(fsTarget.exists(test));
|
||||
// user1 exists in viewFS mount.
|
||||
assertNotNull(vfs.getFileStatus(new Path("/user1")));
|
||||
// user1 does not exists in fallback.
|
||||
assertFalse(fsTarget.exists(test.getParent()));
|
||||
cluster.shutdownNameNodes(); // Stopping fallback server
|
||||
// /user1/test1 does not exist in mount internal dir tree, it would
|
||||
// attempt to create in fallback.
|
||||
assertFalse(vfs.mkdirs(nextLevelToInternalDir));
|
||||
cluster.restartNameNodes();
|
||||
// should return true succeed when fallback fs is back to normal.
|
||||
assertTrue(vfs.mkdirs(nextLevelToInternalDir));
|
||||
assertTrue(fsTarget.exists(test));
|
||||
}
|
||||
}
|
||||
}
|
||||
|
|
|
|||
|
|
@ -0,0 +1,297 @@
|
|||
/**
|
||||
* 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
|
||||
* <p>
|
||||
* http://www.apache.org/licenses/LICENSE-2.0
|
||||
* <p>
|
||||
* 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.fs.viewfs;
|
||||
|
||||
import static org.junit.Assert.assertFalse;
|
||||
import static org.junit.Assert.assertNotNull;
|
||||
import static org.junit.Assert.assertTrue;
|
||||
|
||||
import java.io.IOException;
|
||||
import java.net.URI;
|
||||
import java.net.URISyntaxException;
|
||||
|
||||
import org.apache.hadoop.conf.Configuration;
|
||||
import org.apache.hadoop.fs.AbstractFileSystem;
|
||||
import org.apache.hadoop.fs.FileStatus;
|
||||
import org.apache.hadoop.fs.FileSystem;
|
||||
import org.apache.hadoop.fs.FsConstants;
|
||||
import org.apache.hadoop.fs.Path;
|
||||
import org.apache.hadoop.fs.permission.FsPermission;
|
||||
import org.apache.hadoop.hdfs.DFSConfigKeys;
|
||||
import org.apache.hadoop.hdfs.MiniDFSCluster;
|
||||
import org.apache.hadoop.hdfs.MiniDFSNNTopology;
|
||||
import org.junit.AfterClass;
|
||||
import org.junit.Assert;
|
||||
import org.junit.Before;
|
||||
import org.junit.BeforeClass;
|
||||
import org.junit.Test;
|
||||
|
||||
/**
|
||||
* Test for viewfs with LinkFallback mount table entries.
|
||||
*/
|
||||
public class TestViewFsLinkFallback {
|
||||
private static FileSystem fsDefault;
|
||||
private FileSystem fsTarget;
|
||||
private static MiniDFSCluster cluster;
|
||||
private static URI viewFsDefaultClusterUri;
|
||||
private Path targetTestRoot;
|
||||
|
||||
@BeforeClass
|
||||
public static void clusterSetupAtBeginning()
|
||||
throws IOException, URISyntaxException {
|
||||
int nameSpacesCount = 3;
|
||||
int dataNodesCount = 3;
|
||||
int fsIndexDefault = 0;
|
||||
Configuration conf = new Configuration();
|
||||
FileSystem[] fsHdfs = new FileSystem[nameSpacesCount];
|
||||
conf.setBoolean(DFSConfigKeys.DFS_NAMENODE_DELEGATION_TOKEN_ALWAYS_USE_KEY,
|
||||
true);
|
||||
cluster = new MiniDFSCluster.Builder(conf)
|
||||
.nnTopology(MiniDFSNNTopology.simpleFederatedTopology(
|
||||
nameSpacesCount))
|
||||
.numDataNodes(dataNodesCount)
|
||||
.build();
|
||||
cluster.waitClusterUp();
|
||||
|
||||
for (int i = 0; i < nameSpacesCount; i++) {
|
||||
fsHdfs[i] = cluster.getFileSystem(i);
|
||||
}
|
||||
fsDefault = fsHdfs[fsIndexDefault];
|
||||
viewFsDefaultClusterUri = new URI(FsConstants.VIEWFS_SCHEME,
|
||||
Constants.CONFIG_VIEWFS_DEFAULT_MOUNT_TABLE, "/", null, null);
|
||||
|
||||
}
|
||||
|
||||
@AfterClass
|
||||
public static void clusterShutdownAtEnd() throws Exception {
|
||||
if (cluster != null) {
|
||||
cluster.shutdown();
|
||||
}
|
||||
}
|
||||
|
||||
@Before
|
||||
public void setUp() throws Exception {
|
||||
fsTarget = fsDefault;
|
||||
initializeTargetTestRoot();
|
||||
}
|
||||
|
||||
private void initializeTargetTestRoot() throws IOException {
|
||||
targetTestRoot = fsDefault.makeQualified(new Path("/"));
|
||||
for (FileStatus status : fsDefault.listStatus(targetTestRoot)) {
|
||||
fsDefault.delete(status.getPath(), true);
|
||||
}
|
||||
}
|
||||
|
||||
/**
|
||||
* Tests that directory making should be successful when the parent directory
|
||||
* is same as the existent fallback directory. The new dir should be created
|
||||
* in fallback instead failing.
|
||||
*/
|
||||
@Test
|
||||
public void testMkdirOfLinkParentWithFallbackLinkWithSameMountDirectoryTree()
|
||||
throws Exception {
|
||||
Configuration conf = new Configuration();
|
||||
conf.setBoolean(Constants.CONFIG_VIEWFS_MOUNT_LINKS_AS_SYMLINKS, false);
|
||||
ConfigUtil.addLink(conf, "/user1/hive/warehouse/partition-0",
|
||||
new Path(targetTestRoot.toString()).toUri());
|
||||
Path dir1 = new Path(targetTestRoot,
|
||||
"fallbackDir/user1/hive/warehouse/partition-0");
|
||||
fsTarget.mkdirs(dir1);
|
||||
Path fallbackTarget = new Path(targetTestRoot, "fallbackDir");
|
||||
ConfigUtil.addLinkFallback(conf, fallbackTarget.toUri());
|
||||
AbstractFileSystem vfs =
|
||||
AbstractFileSystem.get(viewFsDefaultClusterUri, conf);
|
||||
Path p = new Path("/user1/hive/warehouse/test");
|
||||
Path test = Path.mergePaths(fallbackTarget, p);
|
||||
assertFalse(fsTarget.exists(test));
|
||||
vfs.mkdir(p, null, true);
|
||||
assertTrue(fsTarget.exists(test));
|
||||
}
|
||||
|
||||
/**
|
||||
* Tests that directory making should be successful when attempting to create
|
||||
* the root directory as it's already exist.
|
||||
*/
|
||||
@Test
|
||||
public void testMkdirOfRootWithFallbackLinkAndMountWithSameDirTree()
|
||||
throws Exception {
|
||||
Configuration conf = new Configuration();
|
||||
conf.setBoolean(Constants.CONFIG_VIEWFS_MOUNT_LINKS_AS_SYMLINKS, false);
|
||||
ConfigUtil
|
||||
.addLink(conf, "/user1", new Path(targetTestRoot.toString()).toUri());
|
||||
Path dir1 = new Path(targetTestRoot, "fallbackDir/user1");
|
||||
fsTarget.mkdirs(dir1);
|
||||
Path fallbackTarget = new Path(targetTestRoot, "fallbackDir");
|
||||
ConfigUtil.addLinkFallback(conf, fallbackTarget.toUri());
|
||||
AbstractFileSystem vfs =
|
||||
AbstractFileSystem.get(viewFsDefaultClusterUri, conf);
|
||||
Path p = new Path("/");
|
||||
Path test = Path.mergePaths(fallbackTarget, p);
|
||||
assertTrue(fsTarget.exists(test));
|
||||
vfs.mkdir(p, null, true);
|
||||
assertTrue(fsTarget.exists(test));
|
||||
}
|
||||
|
||||
/**
|
||||
* Tests the making of a new directory which is not matching to any of
|
||||
* internal directory under the root.
|
||||
*/
|
||||
@Test
|
||||
public void testMkdirOfNewDirWithOutMatchingToMountOrFallbackDirTree()
|
||||
throws Exception {
|
||||
Configuration conf = new Configuration();
|
||||
conf.setBoolean(Constants.CONFIG_VIEWFS_MOUNT_LINKS_AS_SYMLINKS, false);
|
||||
ConfigUtil.addLink(conf, "/user1/hive/warehouse/partition-0",
|
||||
new Path(targetTestRoot.toString()).toUri());
|
||||
Path fallbackTarget = new Path(targetTestRoot, "fallbackDir");
|
||||
fsTarget.mkdirs(fallbackTarget);
|
||||
ConfigUtil.addLinkFallback(conf, fallbackTarget.toUri());
|
||||
AbstractFileSystem vfs =
|
||||
AbstractFileSystem.get(viewFsDefaultClusterUri, conf);
|
||||
// user2 does not exist in fallback
|
||||
Path p = new Path("/user2");
|
||||
Path test = Path.mergePaths(fallbackTarget, p);
|
||||
assertFalse(fsTarget.exists(test));
|
||||
vfs.mkdir(p, null, true);
|
||||
assertTrue(fsTarget.exists(test));
|
||||
}
|
||||
|
||||
/**
|
||||
* Tests that when the parent dirs does not exist in fallback but the parent
|
||||
* dir is same as mount internal directory, then we create parent structure
|
||||
* (mount internal directory tree structure) in fallback.
|
||||
*/
|
||||
@Test
|
||||
public void testMkdirWithFallbackLinkWithMountPathMatchingDirExist()
|
||||
throws Exception {
|
||||
Configuration conf = new Configuration();
|
||||
conf.setBoolean(Constants.CONFIG_VIEWFS_MOUNT_LINKS_AS_SYMLINKS, false);
|
||||
ConfigUtil.addLink(conf, "/user1/hive",
|
||||
new Path(targetTestRoot.toString()).toUri());
|
||||
Path fallbackTarget = new Path(targetTestRoot, "fallbackDir");
|
||||
fsTarget.mkdirs(fallbackTarget);
|
||||
ConfigUtil.addLinkFallback(conf, fallbackTarget.toUri());
|
||||
|
||||
AbstractFileSystem vfs =
|
||||
AbstractFileSystem.get(viewFsDefaultClusterUri, conf);
|
||||
//user1 does not exist in fallback
|
||||
Path immediateLevelToInternalDir = new Path("/user1/test");
|
||||
Path test = Path.mergePaths(fallbackTarget, immediateLevelToInternalDir);
|
||||
assertFalse(fsTarget.exists(test));
|
||||
vfs.mkdir(immediateLevelToInternalDir, null, true);
|
||||
assertTrue(fsTarget.exists(test));
|
||||
}
|
||||
|
||||
/**
|
||||
* Tests that when the parent dirs does not exist in fallback but the
|
||||
* immediate parent dir is not same as mount internal directory, then we
|
||||
* create parent structure (mount internal directory tree structure) in
|
||||
* fallback.
|
||||
*/
|
||||
@Test
|
||||
public void testMkdirOfDeepTreeWithFallbackLinkAndMountPathMatchingDirExist()
|
||||
throws Exception {
|
||||
Configuration conf = new Configuration();
|
||||
conf.setBoolean(Constants.CONFIG_VIEWFS_MOUNT_LINKS_AS_SYMLINKS, false);
|
||||
ConfigUtil.addLink(conf, "/user1/hive",
|
||||
new Path(targetTestRoot.toString()).toUri());
|
||||
Path fallbackTarget = new Path(targetTestRoot, "fallbackDir");
|
||||
fsTarget.mkdirs(fallbackTarget);
|
||||
ConfigUtil.addLinkFallback(conf, fallbackTarget.toUri());
|
||||
|
||||
AbstractFileSystem vfs =
|
||||
AbstractFileSystem.get(viewFsDefaultClusterUri, conf);
|
||||
//user1 does not exist in fallback
|
||||
Path multipleLevelToInternalDir = new Path("/user1/test/test");
|
||||
Path test = Path.mergePaths(fallbackTarget, multipleLevelToInternalDir);
|
||||
assertFalse(fsTarget.exists(test));
|
||||
vfs.mkdir(multipleLevelToInternalDir, null, true);
|
||||
assertTrue(fsTarget.exists(test));
|
||||
}
|
||||
|
||||
/**
|
||||
* Tests that mkdir with createParent false should still create parent in
|
||||
* fallback when the same mount dir exist.
|
||||
*/
|
||||
@Test
|
||||
public void testMkdirShouldCreateParentDirInFallbackWhenMountDirExist()
|
||||
throws Exception {
|
||||
Configuration conf = new Configuration();
|
||||
conf.setBoolean(Constants.CONFIG_VIEWFS_MOUNT_LINKS_AS_SYMLINKS, false);
|
||||
ConfigUtil.addLink(conf, "/user1/hive/test",
|
||||
new Path(targetTestRoot.toString()).toUri());
|
||||
Path fallbackTarget = new Path(targetTestRoot, "fallbackDir");
|
||||
fsTarget.mkdirs(fallbackTarget);
|
||||
ConfigUtil.addLinkFallback(conf, fallbackTarget.toUri());
|
||||
AbstractFileSystem vfs = AbstractFileSystem.get(viewFsDefaultClusterUri,
|
||||
conf);
|
||||
//user1/hive/test1 does not exist in fallback
|
||||
Path multipleLevelToInternalDir = new Path("/user1/hive/test1");
|
||||
Path test = Path.mergePaths(fallbackTarget, multipleLevelToInternalDir);
|
||||
assertFalse(fsTarget.exists(test));
|
||||
// user1/hive exist in viewFS.
|
||||
assertNotNull(vfs.getFileStatus(new Path("/user1/hive")));
|
||||
// user1/hive does not exists in fallback.
|
||||
assertFalse(fsTarget.exists(test.getParent()));
|
||||
|
||||
vfs.mkdir(multipleLevelToInternalDir, FsPermission.getDirDefault(), false);
|
||||
assertTrue(fsTarget.exists(test));
|
||||
|
||||
}
|
||||
|
||||
/**
|
||||
* Tests that mkdir should fail with IOE when there is a problem with
|
||||
* fallbackfs.
|
||||
*/
|
||||
@Test
|
||||
public void testMkdirShouldFailWhenFallbackFSNotAvailable()
|
||||
throws Exception {
|
||||
Configuration conf = new Configuration();
|
||||
conf.setBoolean(Constants.CONFIG_VIEWFS_MOUNT_LINKS_AS_SYMLINKS, false);
|
||||
ConfigUtil.addLink(conf, "/user1/test",
|
||||
new Path(targetTestRoot.toString()).toUri());
|
||||
Path fallbackTarget = new Path(targetTestRoot, "fallbackDir");
|
||||
fsTarget.mkdirs(fallbackTarget);
|
||||
ConfigUtil.addLinkFallback(conf, fallbackTarget.toUri());
|
||||
AbstractFileSystem vfs = AbstractFileSystem.get(viewFsDefaultClusterUri,
|
||||
conf);
|
||||
//user1/test1 does not exist in fallback
|
||||
Path nextLevelToInternalDir = new Path("/user1/test1");
|
||||
Path test = Path.mergePaths(fallbackTarget, nextLevelToInternalDir);
|
||||
assertFalse(fsTarget.exists(test));
|
||||
// user1 exists in viewFS mount.
|
||||
assertNotNull(vfs.getFileStatus(new Path("/user1")));
|
||||
// user1 does not exists in fallback.
|
||||
assertFalse(fsTarget.exists(test.getParent()));
|
||||
cluster.shutdownNameNodes();
|
||||
try {
|
||||
// /user1/test1 does not exist in mount internal dir tree, it would
|
||||
// attempt to create in fallback.
|
||||
vfs.mkdir(nextLevelToInternalDir, FsPermission.getDirDefault(),
|
||||
false);
|
||||
Assert.fail("It should throw IOE when fallback fs not available.");
|
||||
} catch (IOException e) {
|
||||
cluster.restartNameNodes();
|
||||
// should succeed when fallback fs is back to normal.
|
||||
vfs.mkdir(nextLevelToInternalDir, FsPermission.getDirDefault(),
|
||||
false);
|
||||
}
|
||||
assertTrue(fsTarget.exists(test));
|
||||
}
|
||||
|
||||
}
|
||||
Loading…
Reference in New Issue