HDFS-14252. RBF : Exceptions are exposing the actual sub cluster path. Contributed by Ayush Saxena.
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@ -1042,10 +1042,15 @@ public <T extends RemoteLocationContext, R> Map<T, R> invokeConcurrent(
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String ns = location.getNameserviceId();
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final List<? extends FederationNamenodeContext> namenodes =
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getNamenodesForNameservice(ns);
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Class<?> proto = method.getProtocol();
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Object[] paramList = method.getParams(location);
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Object result = invokeMethod(ugi, namenodes, proto, m, paramList);
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return Collections.singletonMap(location, (R) result);
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try {
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Class<?> proto = method.getProtocol();
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Object[] paramList = method.getParams(location);
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Object result = invokeMethod(ugi, namenodes, proto, m, paramList);
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return Collections.singletonMap(location, (R) result);
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} catch (IOException ioe) {
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// Localize the exception
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throw processException(ioe, location);
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}
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}
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List<T> orderedLocations = new LinkedList<>();
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@ -21,6 +21,7 @@
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import static org.junit.Assert.assertTrue;
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import static org.junit.Assert.fail;
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import java.io.FileNotFoundException;
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import java.io.IOException;
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import java.util.Collections;
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import java.util.HashMap;
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@ -43,12 +44,14 @@
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import org.apache.hadoop.hdfs.server.federation.StateStoreDFSCluster;
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import org.apache.hadoop.hdfs.server.federation.resolver.MountTableManager;
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import org.apache.hadoop.hdfs.server.federation.resolver.MountTableResolver;
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import org.apache.hadoop.hdfs.server.federation.resolver.order.DestinationOrder;
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import org.apache.hadoop.hdfs.server.federation.store.protocol.AddMountTableEntryRequest;
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import org.apache.hadoop.hdfs.server.federation.store.protocol.AddMountTableEntryResponse;
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import org.apache.hadoop.hdfs.server.federation.store.protocol.GetMountTableEntriesRequest;
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import org.apache.hadoop.hdfs.server.federation.store.protocol.GetMountTableEntriesResponse;
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import org.apache.hadoop.hdfs.server.federation.store.protocol.RemoveMountTableEntryRequest;
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import org.apache.hadoop.hdfs.server.federation.store.records.MountTable;
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import org.apache.hadoop.test.LambdaTestUtils;
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import org.apache.hadoop.util.Time;
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import org.junit.After;
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import org.junit.AfterClass;
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@ -69,6 +72,7 @@ public class TestRouterMountTable {
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private static long startTime;
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private static FileSystem nnFs0;
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private static FileSystem nnFs1;
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private static FileSystem routerFs;
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@BeforeClass
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public static void globalSetUp() throws Exception {
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@ -92,6 +96,7 @@ public static void globalSetUp() throws Exception {
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nnFs0 = nnContext0.getFileSystem();
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nnFs1 = nnContext1.getFileSystem();
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routerContext = cluster.getRandomRouter();
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routerFs = routerContext.getFileSystem();
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Router router = routerContext.getRouter();
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routerProtocol = routerContext.getClient().getNamenode();
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mountTable = (MountTableResolver) router.getSubclusterResolver();
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@ -136,7 +141,6 @@ public void testReadOnly() throws Exception {
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assertTrue(addMountTable(regularEntry));
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// Create a folder which should show in all locations
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final FileSystem routerFs = routerContext.getFileSystem();
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assertTrue(routerFs.mkdirs(new Path("/regular/newdir")));
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FileStatus dirStatusNn =
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@ -261,7 +265,7 @@ public void testMountTablePermissionsNoDest() throws IOException {
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addEntry.setOwnerName("owner1");
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addEntry.setMode(FsPermission.createImmutable((short) 0775));
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assertTrue(addMountTable(addEntry));
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FileStatus[] list = routerContext.getFileSystem().listStatus(new Path("/"));
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FileStatus[] list = routerFs.listStatus(new Path("/"));
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assertEquals("group1", list[0].getGroup());
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assertEquals("owner1", list[0].getOwner());
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assertEquals((short) 0775, list[0].getPermission().toShort());
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@ -282,8 +286,7 @@ public void testMountTablePermissionsWithDest() throws IOException {
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nnFs0.setOwner(new Path("/tmp/testdir"), "Aowner", "Agroup");
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nnFs0.setPermission(new Path("/tmp/testdir"),
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FsPermission.createImmutable((short) 775));
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FileStatus[] list =
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routerContext.getFileSystem().listStatus(new Path("/"));
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FileStatus[] list = routerFs.listStatus(new Path("/"));
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assertEquals("Agroup", list[0].getGroup());
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assertEquals("Aowner", list[0].getOwner());
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assertEquals((short) 775, list[0].getPermission().toShort());
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@ -313,8 +316,7 @@ public void testMountTablePermissionsMultiDest() throws IOException {
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nnFs1.setOwner(new Path("/tmp/testdir01"), "Aowner", "Agroup");
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nnFs1.setPermission(new Path("/tmp/testdir01"),
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FsPermission.createImmutable((short) 775));
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FileStatus[] list =
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routerContext.getFileSystem().listStatus(new Path("/"));
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FileStatus[] list = routerFs.listStatus(new Path("/"));
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assertEquals("Agroup", list[0].getGroup());
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assertEquals("Aowner", list[0].getOwner());
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assertEquals((short) 775, list[0].getPermission().toShort());
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@ -347,8 +349,7 @@ public void testMountTablePermissionsMultiDestDifferentPerm()
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nnFs1.setOwner(new Path("/tmp/testdir01"), "Aowner01", "Agroup01");
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nnFs1.setPermission(new Path("/tmp/testdir01"),
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FsPermission.createImmutable((short) 755));
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FileStatus[] list =
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routerContext.getFileSystem().listStatus(new Path("/"));
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FileStatus[] list = routerFs.listStatus(new Path("/"));
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assertTrue("Agroup".equals(list[0].getGroup())
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|| "Agroup01".equals(list[0].getGroup()));
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assertTrue("Aowner".equals(list[0].getOwner())
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@ -374,8 +375,7 @@ public void testMountPointResolved() throws IOException {
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addEntry.setOwnerName("owner1");
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assertTrue(addMountTable(addEntry));
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HdfsFileStatus finfo = routerProtocol.getFileInfo("/testdir");
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FileStatus[] finfo1 =
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routerContext.getFileSystem().listStatus(new Path("/"));
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FileStatus[] finfo1 = routerFs.listStatus(new Path("/"));
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assertEquals("owner1", finfo.getOwner());
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assertEquals("owner1", finfo1[0].getOwner());
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assertEquals("group1", finfo.getGroup());
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@ -395,8 +395,7 @@ public void testMountPointChildren() throws IOException {
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nnFs0.mkdirs(new Path("/tmp/testdir"));
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nnFs0.mkdirs(new Path("/tmp/testdir/1"));
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nnFs0.mkdirs(new Path("/tmp/testdir/2"));
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FileStatus[] finfo1 =
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routerContext.getFileSystem().listStatus(new Path("/"));
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FileStatus[] finfo1 = routerFs.listStatus(new Path("/"));
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assertEquals(2, ((HdfsFileStatus) finfo1[0]).getChildrenNum());
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} finally {
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nnFs0.delete(new Path("/tmp"), true);
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@ -421,12 +420,26 @@ public void testMountPointChildrenMultiDest() throws IOException {
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nnFs1.mkdirs(new Path("/tmp/testdir01"));
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nnFs0.mkdirs(new Path("/tmp/testdir/1"));
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nnFs1.mkdirs(new Path("/tmp/testdir01/1"));
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FileStatus[] finfo1 =
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routerContext.getFileSystem().listStatus(new Path("/"));
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FileStatus[] finfo1 = routerFs.listStatus(new Path("/"));
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assertEquals(2, ((HdfsFileStatus) finfo1[0]).getChildrenNum());
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} finally {
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nnFs0.delete(new Path("/tmp"), true);
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nnFs0.delete(new Path("/tmp"), true);
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}
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}
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/**
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* Validates the path in the exception. The path should be with respect to the
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* mount not with respect to the sub cluster.
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*/
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@Test
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public void testPathInException() throws Exception {
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MountTable addEntry = MountTable.newInstance("/mount",
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Collections.singletonMap("ns0", "/tmp/testdir"));
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addEntry.setDestOrder(DestinationOrder.HASH_ALL);
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assertTrue(addMountTable(addEntry));
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LambdaTestUtils.intercept(FileNotFoundException.class,
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"Directory/File does not exist /mount/file",
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() -> routerFs.setOwner(new Path("/mount/file"), "user", "group"));
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}
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}
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