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
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@ -1339,6 +1339,31 @@ public class ViewFileSystem extends FileSystem {
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dir.toString().substring(1))) {
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return true; // this is the stupid semantics of FileSystem
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}
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if (this.fsState.getRootFallbackLink() != null) {
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FileSystem linkedFallbackFs =
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this.fsState.getRootFallbackLink().getTargetFileSystem();
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Path parent = Path.getPathWithoutSchemeAndAuthority(
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new Path(theInternalDir.fullPath));
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String leafChild = (InodeTree.SlashPath.equals(dir)) ?
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InodeTree.SlashPath.toString() :
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dir.getName();
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Path dirToCreate = new Path(parent, leafChild);
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try {
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return linkedFallbackFs.mkdirs(dirToCreate, permission);
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} catch (IOException e) {
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if (LOG.isDebugEnabled()) {
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StringBuilder msg =
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new StringBuilder("Failed to create ").append(dirToCreate)
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.append(" at fallback : ")
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.append(linkedFallbackFs.getUri());
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LOG.debug(msg.toString(), e);
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}
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return false;
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}
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}
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throw readOnlyMountTable("mkdirs", dir);
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}
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@ -1134,11 +1134,35 @@ public class ViewFs extends AbstractFileSystem {
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@Override
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public void mkdir(final Path dir, final FsPermission permission,
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final boolean createParent) throws AccessControlException,
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FileAlreadyExistsException {
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final boolean createParent) throws IOException {
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if (theInternalDir.isRoot() && dir == null) {
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throw new FileAlreadyExistsException("/ already exits");
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}
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if (this.fsState.getRootFallbackLink() != null) {
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AbstractFileSystem linkedFallbackFs =
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this.fsState.getRootFallbackLink().getTargetFileSystem();
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Path parent = Path.getPathWithoutSchemeAndAuthority(
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new Path(theInternalDir.fullPath));
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String leafChild = (InodeTree.SlashPath.equals(dir)) ?
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InodeTree.SlashPath.toString() :
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dir.getName();
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Path dirToCreate = new Path(parent, leafChild);
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try {
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// We are here because, the parent dir already exist in the mount
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// table internal tree. So, let's create parent always in fallback.
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linkedFallbackFs.mkdir(dirToCreate, permission, true);
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return;
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} catch (IOException e) {
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if (LOG.isDebugEnabled()) {
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StringBuilder msg = new StringBuilder("Failed to create {}")
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.append(" at fallback fs : {}");
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LOG.debug(msg.toString(), dirToCreate, linkedFallbackFs.getUri());
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}
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throw e;
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}
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}
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throw readOnlyMountTable("mkdir", dir);
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}
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@ -19,6 +19,7 @@ package org.apache.hadoop.fs.viewfs;
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import static org.junit.Assert.assertEquals;
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import static org.junit.Assert.assertFalse;
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import static org.junit.Assert.assertNotNull;
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import static org.junit.Assert.assertTrue;
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import static org.junit.Assert.fail;
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@ -69,7 +70,7 @@ public class TestViewFileSystemLinkFallback extends ViewFileSystemBaseTest {
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"/tmp/TestViewFileSystemLinkFallback";
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private final static Logger LOG = LoggerFactory.getLogger(
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TestViewFileSystemLinkFallback.class);
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private static URI viewFsDefaultClusterUri;
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@Override
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protected FileSystemTestHelper createFileSystemHelper() {
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@ -93,6 +94,8 @@ public class TestViewFileSystemLinkFallback extends ViewFileSystemBaseTest {
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FS_HDFS[i] = cluster.getFileSystem(i);
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}
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fsDefault = FS_HDFS[FS_INDEX_DEFAULT];
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viewFsDefaultClusterUri = new URI(FsConstants.VIEWFS_SCHEME,
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Constants.CONFIG_VIEWFS_DEFAULT_MOUNT_TABLE, "/", null, null);
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}
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@AfterClass
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@ -327,21 +330,20 @@ public class TestViewFileSystemLinkFallback extends ViewFileSystemBaseTest {
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fsTarget.mkdirs(dir1);
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fsTarget.mkdirs(dir2);
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String clusterName = Constants.CONFIG_VIEWFS_DEFAULT_MOUNT_TABLE;
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URI viewFsUri = new URI(FsConstants.VIEWFS_SCHEME, clusterName,
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"/", null, null);
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HashSet<Path> beforeFallback = new HashSet<>();
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try(FileSystem vfs = FileSystem.get(viewFsUri, conf)) {
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for (FileStatus stat : vfs.listStatus(new Path(viewFsUri.toString()))) {
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try (FileSystem vfs = FileSystem.get(viewFsDefaultClusterUri, conf)) {
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for (FileStatus stat : vfs
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.listStatus(new Path(viewFsDefaultClusterUri.toString()))) {
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beforeFallback.add(stat.getPath());
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}
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}
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ConfigUtil.addLinkFallback(conf, clusterName,
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new Path(targetTestRoot, "fallbackDir").toUri());
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try (FileSystem vfs = FileSystem.get(viewFsUri, conf)) {
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try (FileSystem vfs = FileSystem.get(viewFsDefaultClusterUri, conf)) {
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HashSet<Path> afterFallback = new HashSet<>();
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for (FileStatus stat : vfs.listStatus(new Path(viewFsUri.toString()))) {
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for (FileStatus stat : vfs
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.listStatus(new Path(viewFsDefaultClusterUri.toString()))) {
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afterFallback.add(stat.getPath());
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}
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afterFallback.removeAll(beforeFallback);
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@ -349,7 +351,7 @@ public class TestViewFileSystemLinkFallback extends ViewFileSystemBaseTest {
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1, afterFallback.size());
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Path[] fallbackArray = new Path[afterFallback.size()];
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// Only user1 should be listed as fallback link
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Path expected = new Path(viewFsUri.toString(), "user1");
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Path expected = new Path(viewFsDefaultClusterUri.toString(), "user1");
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assertEquals("Path did not match",
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expected, afterFallback.toArray(fallbackArray)[0]);
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@ -401,23 +403,21 @@ public class TestViewFileSystemLinkFallback extends ViewFileSystemBaseTest {
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fsTarget.mkdirs(dir2);
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fsTarget.setPermission(new Path(targetTestRoot, "fallbackDir/user1/hive/"),
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FsPermission.valueOf("-rwxr--r--"));
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URI viewFsUri = new URI(FsConstants.VIEWFS_SCHEME,
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Constants.CONFIG_VIEWFS_DEFAULT_MOUNT_TABLE, "/", null, null);
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HashSet<Path> beforeFallback = new HashSet<>();
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try (FileSystem vfs = FileSystem.get(viewFsUri, conf)) {
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for (FileStatus stat : vfs
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.listStatus(new Path(viewFsUri.toString(), "/user1/hive/"))) {
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try (FileSystem vfs = FileSystem.get(viewFsDefaultClusterUri, conf)) {
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for (FileStatus stat : vfs.listStatus(
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new Path(viewFsDefaultClusterUri.toString(), "/user1/hive/"))) {
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beforeFallback.add(stat.getPath());
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}
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}
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ConfigUtil
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.addLinkFallback(conf, new Path(targetTestRoot, "fallbackDir").toUri());
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try (FileSystem vfs = FileSystem.get(viewFsUri, conf)) {
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try (FileSystem vfs = FileSystem.get(viewFsDefaultClusterUri, conf)) {
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HashSet<Path> afterFallback = new HashSet<>();
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for (FileStatus stat : vfs
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.listStatus(new Path(viewFsUri.toString(), "/user1/hive/"))) {
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for (FileStatus stat : vfs.listStatus(
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new Path(viewFsDefaultClusterUri.toString(), "/user1/hive/"))) {
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afterFallback.add(stat.getPath());
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if (dir1.getName().equals(stat.getPath().getName())) {
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// make sure fallback dir listed out with correct permissions, but not
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@ -426,7 +426,6 @@ public class TestViewFileSystemLinkFallback extends ViewFileSystemBaseTest {
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stat.getPermission());
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}
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}
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//
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//viewfs://default/user1/hive/warehouse
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afterFallback.removeAll(beforeFallback);
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assertEquals("The same directory name in fallback link should be shaded",
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@ -475,23 +474,23 @@ public class TestViewFileSystemLinkFallback extends ViewFileSystemBaseTest {
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"fallbackDir/user1/hive/warehouse/partition-0"),
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FsPermission.valueOf("-rwxr--r--"));
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fsTarget.setPermission(targetTestRoot, FsPermission.valueOf("-rwxr--rw-"));
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URI viewFsUri = new URI(FsConstants.VIEWFS_SCHEME,
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Constants.CONFIG_VIEWFS_DEFAULT_MOUNT_TABLE, "/", null, null);
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HashSet<Path> beforeFallback = new HashSet<>();
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try (FileSystem vfs = FileSystem.get(viewFsUri, conf)) {
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try (FileSystem vfs = FileSystem.get(viewFsDefaultClusterUri, conf)) {
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for (FileStatus stat : vfs.listStatus(
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new Path(viewFsUri.toString(), "/user1/hive/warehouse/"))) {
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new Path(viewFsDefaultClusterUri.toString(),
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"/user1/hive/warehouse/"))) {
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beforeFallback.add(stat.getPath());
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}
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}
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ConfigUtil
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.addLinkFallback(conf, new Path(targetTestRoot, "fallbackDir").toUri());
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try (FileSystem vfs = FileSystem.get(viewFsUri, conf)) {
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try (FileSystem vfs = FileSystem.get(viewFsDefaultClusterUri, conf)) {
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HashSet<Path> afterFallback = new HashSet<>();
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for (FileStatus stat : vfs.listStatus(
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new Path(viewFsUri.toString(), "/user1/hive/warehouse/"))) {
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new Path(viewFsDefaultClusterUri.toString(),
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"/user1/hive/warehouse/"))) {
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afterFallback.add(stat.getPath());
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if (dir1.getName().equals(stat.getPath().getName())) {
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// make sure fallback dir listed out with correct permissions, but not
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@ -508,7 +507,7 @@ public class TestViewFileSystemLinkFallback extends ViewFileSystemBaseTest {
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/**
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* Tests ListStatus on root with fallback configured.
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* =============================Example.=======================================
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* =============================Example.======================================
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* ===== Fallback path tree =============== Mount Path Tree ==================
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* ===========================================================================
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* * / / ***** / ***
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@ -536,23 +535,21 @@ public class TestViewFileSystemLinkFallback extends ViewFileSystemBaseTest {
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fsTarget.mkdirs(dir1);
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fsTarget.mkdirs(dir2, FsPermission.valueOf("-rwxr--r--"));
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fsTarget.setPermission(targetTestRoot, FsPermission.valueOf("-rwxr--rw-"));
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URI viewFsUri = new URI(FsConstants.VIEWFS_SCHEME,
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Constants.CONFIG_VIEWFS_DEFAULT_MOUNT_TABLE, "/", null, null);
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HashSet<Path> beforeFallback = new HashSet<>();
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try (FileSystem vfs = FileSystem.get(viewFsUri, conf)) {
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try (FileSystem vfs = FileSystem.get(viewFsDefaultClusterUri, conf)) {
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for (FileStatus stat : vfs
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.listStatus(new Path(viewFsUri.toString(), "/"))) {
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.listStatus(new Path(viewFsDefaultClusterUri.toString(), "/"))) {
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beforeFallback.add(stat.getPath());
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}
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}
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ConfigUtil
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.addLinkFallback(conf, new Path(targetTestRoot, "fallbackDir").toUri());
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try (FileSystem vfs = FileSystem.get(viewFsUri, conf)) {
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try (FileSystem vfs = FileSystem.get(viewFsDefaultClusterUri, conf)) {
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HashSet<Path> afterFallback = new HashSet<>();
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for (FileStatus stat : vfs
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.listStatus(new Path(viewFsUri.toString(), "/"))) {
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.listStatus(new Path(viewFsDefaultClusterUri.toString(), "/"))) {
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afterFallback.add(stat.getPath());
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if (dir1.getName().equals(stat.getPath().getName())) {
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// make sure fallback dir listed out with correct permissions, but not
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@ -584,15 +581,14 @@ public class TestViewFileSystemLinkFallback extends ViewFileSystemBaseTest {
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fsTarget.createNewFile(file1);
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Path dir2 = new Path(targetTestRoot, "fallbackDir/user1/hive/warehouse1");
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fsTarget.mkdirs(dir2);
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URI viewFsUri = new URI(FsConstants.VIEWFS_SCHEME,
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Constants.CONFIG_VIEWFS_DEFAULT_MOUNT_TABLE, "/", null, null);
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ConfigUtil
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.addLinkFallback(conf, new Path(targetTestRoot, "fallbackDir").toUri());
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try (FileSystem vfs = FileSystem.get(viewFsUri, conf)) {
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try (FileSystem vfs = FileSystem.get(viewFsDefaultClusterUri, conf)) {
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for (FileStatus stat : vfs.listStatus(
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new Path(viewFsUri.toString(), "/user1/hive/warehouse/"))) {
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new Path(viewFsDefaultClusterUri.toString(),
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"/user1/hive/warehouse/"))) {
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if (file1.getName().equals(stat.getPath().getName())) {
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// Link represents as symlink.
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assertFalse(stat.isFile());
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@ -606,4 +602,167 @@ public class TestViewFileSystemLinkFallback extends ViewFileSystemBaseTest {
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}
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}
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}
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/**
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* Tests that directory making should be successful when the parent directory
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* is same as the existent fallback directory. The new dir should be created
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* in fallback instead failing.
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*/
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@Test
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public void testMkdirsOfLinkParentWithFallbackLinkWithSameMountDirectoryTree()
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throws Exception {
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Configuration conf = new Configuration();
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conf.setBoolean(Constants.CONFIG_VIEWFS_MOUNT_LINKS_AS_SYMLINKS, false);
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ConfigUtil.addLink(conf, "/user1/hive/warehouse/partition-0",
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new Path(targetTestRoot.toString()).toUri());
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Path dir1 = new Path(targetTestRoot,
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"fallbackDir/user1/hive/warehouse/partition-0");
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fsTarget.mkdirs(dir1);
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Path fallbackTarget = new Path(targetTestRoot, "fallbackDir");
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ConfigUtil.addLinkFallback(conf, fallbackTarget.toUri());
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try (FileSystem vfs = FileSystem.get(viewFsDefaultClusterUri, conf)) {
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Path p = new Path("/user1/hive/warehouse/test");
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Path test = Path.mergePaths(fallbackTarget, p);
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assertFalse(fsTarget.exists(test));
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assertTrue(vfs.mkdirs(p));
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assertTrue(fsTarget.exists(test));
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}
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}
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/**
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* Tests that directory making should be successful when attempting to create
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* the root directory as it's already exist.
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*/
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@Test
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public void testMkdirsOfRootWithFallbackLinkAndMountWithSameDirTree()
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throws Exception {
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Configuration conf = new Configuration();
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conf.setBoolean(Constants.CONFIG_VIEWFS_MOUNT_LINKS_AS_SYMLINKS, false);
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ConfigUtil
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.addLink(conf, "/user1", new Path(targetTestRoot.toString()).toUri());
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Path dir1 = new Path(targetTestRoot, "fallbackDir/user1");
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fsTarget.mkdirs(dir1);
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Path fallbackTarget = new Path(targetTestRoot, "fallbackDir");
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ConfigUtil.addLinkFallback(conf, fallbackTarget.toUri());
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try (FileSystem vfs = FileSystem.get(viewFsDefaultClusterUri, conf)) {
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Path p = new Path("/");
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Path test = Path.mergePaths(fallbackTarget, p);
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assertTrue(fsTarget.exists(test));
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assertTrue(vfs.mkdirs(p));
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assertTrue(fsTarget.exists(test));
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}
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}
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/**
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* Tests the making of a new directory which is not matching to any of
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* internal directory under the root.
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*/
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@Test
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public void testMkdirsOfNewDirWithOutMatchingToMountOrFallbackDirTree()
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throws Exception {
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Configuration conf = new Configuration();
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conf.setBoolean(Constants.CONFIG_VIEWFS_MOUNT_LINKS_AS_SYMLINKS, false);
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ConfigUtil.addLink(conf, "/user1/hive/warehouse/partition-0",
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new Path(targetTestRoot.toString()).toUri());
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Path fallbackTarget = new Path(targetTestRoot, "fallbackDir");
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fsTarget.mkdirs(fallbackTarget);
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ConfigUtil.addLinkFallback(conf, fallbackTarget.toUri());
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try (FileSystem vfs = FileSystem.get(viewFsDefaultClusterUri, conf)) {
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// user2 does not exist in fallback
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Path p = new Path("/user2");
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Path test = Path.mergePaths(fallbackTarget, p);
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assertFalse(fsTarget.exists(test));
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assertTrue(vfs.mkdirs(p));
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assertTrue(fsTarget.exists(test));
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}
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}
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/**
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* Tests that when the parent dirs does not exist in fallback but the parent
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* dir is same as mount internal directory, then we create parent structure
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* (mount internal directory tree structure) in fallback.
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*/
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@Test
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public void testMkdirsWithFallbackLinkWithMountPathMatchingDirExist()
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throws Exception {
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Configuration conf = new Configuration();
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conf.setBoolean(Constants.CONFIG_VIEWFS_MOUNT_LINKS_AS_SYMLINKS, false);
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ConfigUtil.addLink(conf, "/user1/hive",
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new Path(targetTestRoot.toString()).toUri());
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Path fallbackTarget = new Path(targetTestRoot, "fallbackDir");
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fsTarget.mkdirs(fallbackTarget);
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ConfigUtil.addLinkFallback(conf, fallbackTarget.toUri());
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try (FileSystem vfs = FileSystem.get(viewFsDefaultClusterUri, conf)) {
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//user1 does not exist in fallback
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Path immediateLevelToInternalDir = new Path("/user1/test");
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Path test = Path.mergePaths(fallbackTarget, immediateLevelToInternalDir);
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assertFalse(fsTarget.exists(test));
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assertTrue(vfs.mkdirs(immediateLevelToInternalDir));
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assertTrue(fsTarget.exists(test));
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}
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}
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/**
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* Tests that when the parent dirs does not exist in fallback but the
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* immediate parent dir is not same as mount internal directory, then we
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* create parent structure (mount internal directory tree structure) in
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* fallback.
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*/
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@Test
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public void testMkdirsOfDeepTreeWithFallbackLinkAndMountPathMatchingDirExist()
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throws Exception {
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Configuration conf = new Configuration();
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conf.setBoolean(Constants.CONFIG_VIEWFS_MOUNT_LINKS_AS_SYMLINKS, false);
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ConfigUtil.addLink(conf, "/user1/hive",
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new Path(targetTestRoot.toString()).toUri());
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Path fallbackTarget = new Path(targetTestRoot, "fallbackDir");
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fsTarget.mkdirs(fallbackTarget);
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ConfigUtil.addLinkFallback(conf, fallbackTarget.toUri());
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try (FileSystem vfs = FileSystem.get(viewFsDefaultClusterUri, conf)) {
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//user1 does not exist in fallback
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Path multipleLevelToInternalDir = new Path("/user1/test/test");
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Path test = Path.mergePaths(fallbackTarget, multipleLevelToInternalDir);
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assertFalse(fsTarget.exists(test));
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assertTrue(vfs.mkdirs(multipleLevelToInternalDir));
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assertTrue(fsTarget.exists(test));
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}
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}
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/**
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* Tests that mkdirs should return false when there is a problem with
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* fallbackfs.
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*/
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@Test
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public void testMkdirsShouldReturnFalseWhenFallbackFSNotAvailable()
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throws Exception {
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Configuration conf = new Configuration();
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conf.setBoolean(Constants.CONFIG_VIEWFS_MOUNT_LINKS_AS_SYMLINKS, false);
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ConfigUtil.addLink(conf, "/user1/test",
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new Path(targetTestRoot.toString()).toUri());
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||||
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