HDFS-6966. Add additional unit tests for encryption zones. Contributed by Stephen Chu.
This commit is contained in:
Andrew Wang
parent
9e28e089c6
commit
bf64fce78c
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@ -635,6 +635,9 @@ Release 2.6.0 - UNRELEASED
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HDFS-6506. Newly moved block replica been invalidated and deleted in
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TestBalancer. (Binglin Chang via cnauroth)
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HDFS-6966. Add additional unit tests for encryption zones.
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(Stephen Chu via wang)
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BREAKDOWN OF HDFS-6134 AND HADOOP-10150 SUBTASKS AND RELATED JIRAS
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HDFS-6387. HDFS CLI admin tool for creating & deleting an
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@ -1359,7 +1359,8 @@ public class DFSTestUtil {
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}
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/**
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* Helper function to create a key in the Key Provider.
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* Helper function to create a key in the Key Provider. Defaults
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* to the first indexed NameNode's Key Provider.
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*
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* @param keyName The name of the key to create
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* @param cluster The cluster to create it in
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@ -1368,7 +1369,22 @@ public class DFSTestUtil {
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public static void createKey(String keyName, MiniDFSCluster cluster,
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Configuration conf)
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throws NoSuchAlgorithmException, IOException {
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KeyProvider provider = cluster.getNameNode().getNamesystem().getProvider();
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createKey(keyName, cluster, 0, conf);
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}
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/**
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* Helper function to create a key in the Key Provider.
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*
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* @param keyName The name of the key to create
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* @param cluster The cluster to create it in
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* @param idx The NameNode index
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* @param conf Configuration to use
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*/
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public static void createKey(String keyName, MiniDFSCluster cluster,
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int idx, Configuration conf)
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throws NoSuchAlgorithmException, IOException {
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NameNode nn = cluster.getNameNode(idx);
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KeyProvider provider = nn.getNamesystem().getProvider();
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final KeyProvider.Options options = KeyProvider.options(conf);
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options.setDescription(keyName);
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options.setBitLength(128);
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@ -17,8 +17,14 @@
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*/
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package org.apache.hadoop.hdfs;
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import java.io.ByteArrayOutputStream;
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import java.io.File;
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import java.io.IOException;
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import java.io.PrintStream;
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import java.io.PrintWriter;
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import java.io.RandomAccessFile;
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import java.io.StringReader;
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import java.io.StringWriter;
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import java.security.PrivilegedExceptionAction;
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import java.util.Arrays;
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import java.util.List;
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@ -52,10 +58,15 @@ import org.apache.hadoop.hdfs.protocol.LocatedBlocks;
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import org.apache.hadoop.hdfs.protocol.HdfsConstants.SafeModeAction;
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import org.apache.hadoop.hdfs.server.namenode.EncryptionFaultInjector;
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import org.apache.hadoop.hdfs.server.namenode.EncryptionZoneManager;
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import org.apache.hadoop.hdfs.server.namenode.FSImageTestUtil;
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import org.apache.hadoop.hdfs.server.namenode.NamenodeFsck;
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import org.apache.hadoop.hdfs.tools.DFSck;
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import org.apache.hadoop.hdfs.tools.offlineImageViewer.PBImageXmlWriter;
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import org.apache.hadoop.security.AccessControlException;
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import org.apache.hadoop.security.Credentials;
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import org.apache.hadoop.security.UserGroupInformation;
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import org.apache.hadoop.security.token.Token;
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import org.apache.hadoop.util.ToolRunner;
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import org.apache.hadoop.crypto.key.KeyProviderDelegationTokenExtension.DelegationTokenExtension;
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import org.apache.hadoop.crypto.key.KeyProviderCryptoExtension.CryptoExtension;
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import org.apache.hadoop.io.Text;
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@ -78,6 +89,11 @@ import static org.junit.Assert.assertNotEquals;
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import static org.junit.Assert.assertNull;
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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 org.xml.sax.InputSource;
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import org.xml.sax.helpers.DefaultHandler;
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import javax.xml.parsers.SAXParser;
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import javax.xml.parsers.SAXParserFactory;
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public class TestEncryptionZones {
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@ -374,6 +390,7 @@ public class TestEncryptionZones {
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final Path allPathFile = new Path(allPath, "file1");
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final Path nonEZDir = new Path(testRoot, "nonEZDir");
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final Path nonEZFile = new Path(nonEZDir, "file1");
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final Path nonexistent = new Path("/nonexistent");
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final int len = 8192;
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fsWrapper.mkdir(testRoot, new FsPermission((short) 0777), true);
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@ -421,6 +438,9 @@ public class TestEncryptionZones {
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assertExceptionContains("Permission denied:", e);
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}
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assertNull("expected null for nonexistent path",
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userAdmin.getEncryptionZoneForPath(nonexistent));
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// Check operation with non-ez paths
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assertNull("expected null for non-ez path",
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userAdmin.getEncryptionZoneForPath(nonEZDir));
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@ -463,9 +483,15 @@ public class TestEncryptionZones {
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final Path testRoot = new Path("/tmp/TestEncryptionZones");
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final Path pathFoo = new Path(testRoot, "foo");
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final Path pathFooBaz = new Path(pathFoo, "baz");
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final Path pathFooBazFile = new Path(pathFooBaz, "file");
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final Path pathFooBar = new Path(pathFoo, "bar");
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final Path pathFooBarFile = new Path(pathFooBar, "file");
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final int len = 8192;
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wrapper.mkdir(pathFoo, FsPermission.getDirDefault(), true);
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dfsAdmin.createEncryptionZone(pathFoo, TEST_KEY);
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wrapper.mkdir(pathFooBaz, FsPermission.getDirDefault(), true);
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DFSTestUtil.createFile(fs, pathFooBazFile, len, (short) 1, 0xFEED);
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String contents = DFSTestUtil.readFile(fs, pathFooBazFile);
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try {
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wrapper.rename(pathFooBaz, testRoot);
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} catch (IOException e) {
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@ -473,6 +499,13 @@ public class TestEncryptionZones {
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" an encryption zone.", e
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);
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}
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// Verify that we can rename dir and files within an encryption zone.
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assertTrue(fs.rename(pathFooBaz, pathFooBar));
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assertTrue("Rename of dir and file within ez failed",
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!wrapper.exists(pathFooBaz) && wrapper.exists(pathFooBar));
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assertEquals("Renamed file contents not the same",
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contents, DFSTestUtil.readFile(fs, pathFooBarFile));
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}
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@Test(timeout = 60000)
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@ -806,4 +839,158 @@ public class TestEncryptionZones {
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Assert.assertEquals(tokens[1], testToken);
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Assert.assertEquals(1, creds.numberOfTokens());
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}
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/**
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* Test running fsck on a system with encryption zones.
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*/
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@Test(timeout = 60000)
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public void testFsckOnEncryptionZones() throws Exception {
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final int len = 8196;
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final Path zoneParent = new Path("/zones");
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final Path zone1 = new Path(zoneParent, "zone1");
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final Path zone1File = new Path(zone1, "file");
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fsWrapper.mkdir(zone1, FsPermission.getDirDefault(), true);
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dfsAdmin.createEncryptionZone(zone1, TEST_KEY);
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DFSTestUtil.createFile(fs, zone1File, len, (short) 1, 0xFEED);
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ByteArrayOutputStream bStream = new ByteArrayOutputStream();
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PrintStream out = new PrintStream(bStream, true);
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int errCode = ToolRunner.run(new DFSck(conf, out),
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new String[]{ "/" });
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assertEquals("Fsck ran with non-zero error code", 0, errCode);
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String result = bStream.toString();
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assertTrue("Fsck did not return HEALTHY status",
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result.contains(NamenodeFsck.HEALTHY_STATUS));
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// Run fsck directly on the encryption zone instead of root
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errCode = ToolRunner.run(new DFSck(conf, out),
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new String[]{ zoneParent.toString() });
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assertEquals("Fsck ran with non-zero error code", 0, errCode);
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result = bStream.toString();
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assertTrue("Fsck did not return HEALTHY status",
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result.contains(NamenodeFsck.HEALTHY_STATUS));
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}
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/**
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* Test correctness of successive snapshot creation and deletion
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* on a system with encryption zones.
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*/
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@Test(timeout = 60000)
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public void testSnapshotsOnEncryptionZones() throws Exception {
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final int len = 8196;
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final Path zoneParent = new Path("/zones");
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final Path zone = new Path(zoneParent, "zone");
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final Path zoneFile = new Path(zone, "zoneFile");
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fsWrapper.mkdir(zone, FsPermission.getDirDefault(), true);
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dfsAdmin.allowSnapshot(zoneParent);
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dfsAdmin.createEncryptionZone(zone, TEST_KEY);
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DFSTestUtil.createFile(fs, zoneFile, len, (short) 1, 0xFEED);
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String contents = DFSTestUtil.readFile(fs, zoneFile);
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final Path snap1 = fs.createSnapshot(zoneParent);
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final Path snap1Zone = new Path(snap1, zone.getName());
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assertEquals("Got unexpected ez path", zone.toString(),
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dfsAdmin.getEncryptionZoneForPath(snap1Zone).getPath().toString());
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// Now delete the encryption zone, recreate the dir, and take another snapshot
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fsWrapper.delete(zone, true);
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fsWrapper.mkdir(zone, FsPermission.getDirDefault(), true);
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final Path snap2 = fs.createSnapshot(zoneParent);
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final Path snap2Zone = new Path(snap2, zone.getName());
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assertNull("Expected null ez path",
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dfsAdmin.getEncryptionZoneForPath(snap2Zone));
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// Create the encryption zone again
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dfsAdmin.createEncryptionZone(zone, TEST_KEY);
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final Path snap3 = fs.createSnapshot(zoneParent);
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final Path snap3Zone = new Path(snap3, zone.getName());
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assertEquals("Got unexpected ez path", zone.toString(),
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dfsAdmin.getEncryptionZoneForPath(snap3Zone).getPath().toString());
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// Verify contents of the snapshotted file
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final Path snapshottedZoneFile = new Path(
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snap1.toString() + "/" + zone.getName() + "/" + zoneFile.getName());
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assertEquals("Contents of snapshotted file have changed unexpectedly",
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contents, DFSTestUtil.readFile(fs, snapshottedZoneFile));
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// Now delete the snapshots out of order and verify the zones are still correct
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fs.deleteSnapshot(zoneParent, snap2.getName());
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assertEquals("Got unexpected ez path", zone.toString(),
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dfsAdmin.getEncryptionZoneForPath(snap1Zone).getPath().toString());
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assertEquals("Got unexpected ez path", zone.toString(),
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dfsAdmin.getEncryptionZoneForPath(snap3Zone).getPath().toString());
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fs.deleteSnapshot(zoneParent, snap1.getName());
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assertEquals("Got unexpected ez path", zone.toString(),
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dfsAdmin.getEncryptionZoneForPath(snap3Zone).getPath().toString());
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}
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/**
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* Verify symlinks can be created in encryption zones and that
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* they function properly when the target is in the same
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* or different ez.
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*/
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@Test(timeout = 60000)
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public void testEncryptionZonesWithSymlinks() throws Exception {
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// Verify we can create an encryption zone over both link and target
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final int len = 8192;
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final Path parent = new Path("/parent");
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final Path linkParent = new Path(parent, "symdir1");
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final Path targetParent = new Path(parent, "symdir2");
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final Path link = new Path(linkParent, "link");
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final Path target = new Path(targetParent, "target");
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fs.mkdirs(parent);
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dfsAdmin.createEncryptionZone(parent, TEST_KEY);
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fs.mkdirs(linkParent);
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fs.mkdirs(targetParent);
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DFSTestUtil.createFile(fs, target, len, (short)1, 0xFEED);
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String content = DFSTestUtil.readFile(fs, target);
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fs.createSymlink(target, link, false);
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assertEquals("Contents read from link are not the same as target",
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content, DFSTestUtil.readFile(fs, link));
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fs.delete(parent, true);
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// Now let's test when the symlink and target are in different
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// encryption zones
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fs.mkdirs(linkParent);
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fs.mkdirs(targetParent);
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dfsAdmin.createEncryptionZone(linkParent, TEST_KEY);
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dfsAdmin.createEncryptionZone(targetParent, TEST_KEY);
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DFSTestUtil.createFile(fs, target, len, (short)1, 0xFEED);
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content = DFSTestUtil.readFile(fs, target);
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fs.createSymlink(target, link, false);
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assertEquals("Contents read from link are not the same as target",
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content, DFSTestUtil.readFile(fs, link));
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fs.delete(link, true);
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fs.delete(target, true);
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}
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/**
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* Test running the OfflineImageViewer on a system with encryption zones.
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*/
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@Test(timeout = 60000)
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public void testOfflineImageViewerOnEncryptionZones() throws Exception {
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final int len = 8196;
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final Path zoneParent = new Path("/zones");
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final Path zone1 = new Path(zoneParent, "zone1");
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final Path zone1File = new Path(zone1, "file");
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fsWrapper.mkdir(zone1, FsPermission.getDirDefault(), true);
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dfsAdmin.createEncryptionZone(zone1, TEST_KEY);
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DFSTestUtil.createFile(fs, zone1File, len, (short) 1, 0xFEED);
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fs.setSafeMode(SafeModeAction.SAFEMODE_ENTER, false);
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fs.saveNamespace();
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File originalFsimage = FSImageTestUtil.findLatestImageFile(FSImageTestUtil
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.getFSImage(cluster.getNameNode()).getStorage().getStorageDir(0));
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if (originalFsimage == null) {
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throw new RuntimeException("Didn't generate or can't find fsimage");
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}
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// Run the XML OIV processor
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StringWriter output = new StringWriter();
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PrintWriter pw = new PrintWriter(output);
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PBImageXmlWriter v = new PBImageXmlWriter(new Configuration(), pw);
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v.visit(new RandomAccessFile(originalFsimage, "r"));
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final String xml = output.getBuffer().toString();
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SAXParser parser = SAXParserFactory.newInstance().newSAXParser();
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parser.parse(new InputSource(new StringReader(xml)), new DefaultHandler());
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}
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}
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@ -0,0 +1,121 @@
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/**
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* Licensed to the Apache Software Foundation (ASF) under one
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* or more contributor license agreements. See the NOTICE file
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* distributed with this work for additional information
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* regarding copyright ownership. The ASF licenses this file
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* to you under the Apache License, Version 2.0 (the
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* "License"); you may not use this file except in compliance
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* with the License. You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package org.apache.hadoop.hdfs;
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import org.apache.hadoop.conf.Configuration;
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import org.apache.hadoop.crypto.key.JavaKeyStoreProvider;
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import org.apache.hadoop.crypto.key.KeyProviderCryptoExtension;
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import org.apache.hadoop.crypto.key.KeyProviderFactory;
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import org.apache.hadoop.fs.permission.FsPermission;
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import org.apache.hadoop.fs.FileSystemTestHelper;
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import org.apache.hadoop.fs.Path;
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import org.apache.hadoop.hdfs.server.namenode.ha.HATestUtil;
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import org.apache.hadoop.hdfs.client.HdfsAdmin;
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import org.apache.hadoop.hdfs.server.namenode.NameNode;
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import org.junit.After;
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import org.junit.Assert;
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import org.junit.Before;
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import org.junit.Test;
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import java.io.File;
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import java.io.IOException;
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/**
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* Tests interaction of encryption zones with HA failover.
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*/
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public class TestEncryptionZonesWithHA {
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private Configuration conf;
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private MiniDFSCluster cluster;
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private NameNode nn0;
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private NameNode nn1;
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private DistributedFileSystem fs;
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private HdfsAdmin dfsAdmin0;
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private HdfsAdmin dfsAdmin1;
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private FileSystemTestHelper fsHelper;
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private File testRootDir;
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private final String TEST_KEY = "testKey";
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@Before
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public void setupCluster() throws Exception {
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conf = new Configuration();
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conf.setInt(DFSConfigKeys.DFS_HA_TAILEDITS_PERIOD_KEY, 1);
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HAUtil.setAllowStandbyReads(conf, true);
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fsHelper = new FileSystemTestHelper();
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String testRoot = fsHelper.getTestRootDir();
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testRootDir = new File(testRoot).getAbsoluteFile();
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conf.set(KeyProviderFactory.KEY_PROVIDER_PATH,
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JavaKeyStoreProvider.SCHEME_NAME + "://file" + testRootDir + "/test.jks"
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);
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cluster = new MiniDFSCluster.Builder(conf)
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.nnTopology(MiniDFSNNTopology.simpleHATopology())
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.numDataNodes(1)
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.build();
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cluster.waitActive();
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cluster.transitionToActive(0);
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fs = (DistributedFileSystem)HATestUtil.configureFailoverFs(cluster, conf);
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DFSTestUtil.createKey(TEST_KEY, cluster, 0, conf);
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DFSTestUtil.createKey(TEST_KEY, cluster, 1, conf);
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nn0 = cluster.getNameNode(0);
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nn1 = cluster.getNameNode(1);
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dfsAdmin0 = new HdfsAdmin(cluster.getURI(0), conf);
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dfsAdmin1 = new HdfsAdmin(cluster.getURI(1), conf);
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KeyProviderCryptoExtension nn0Provider =
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cluster.getNameNode(0).getNamesystem().getProvider();
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fs.getClient().provider = nn0Provider;
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}
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@After
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public void shutdownCluster() throws IOException {
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if (cluster != null) {
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cluster.shutdown();
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}
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}
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/**
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* Test that encryption zones are properly tracked by the standby.
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*/
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@Test(timeout = 60000)
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public void testEncryptionZonesTrackedOnStandby() throws Exception {
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final int len = 8196;
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final Path dir = new Path("/enc");
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final Path dirChild = new Path(dir, "child");
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final Path dirFile = new Path(dir, "file");
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fs.mkdir(dir, FsPermission.getDirDefault());
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dfsAdmin0.createEncryptionZone(dir, TEST_KEY);
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fs.mkdir(dirChild, FsPermission.getDirDefault());
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DFSTestUtil.createFile(fs, dirFile, len, (short) 1, 0xFEED);
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String contents = DFSTestUtil.readFile(fs, dirFile);
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// Failover the current standby to active.
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HATestUtil.waitForStandbyToCatchUp(nn0, nn1);
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cluster.shutdownNameNode(0);
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cluster.transitionToActive(1);
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Assert.assertEquals("Got unexpected ez path", dir.toString(),
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dfsAdmin1.getEncryptionZoneForPath(dir).getPath().toString());
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Assert.assertEquals("Got unexpected ez path", dir.toString(),
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dfsAdmin1.getEncryptionZoneForPath(dirChild).getPath().toString());
|
||||
Assert.assertEquals("File contents after failover were changed",
|
||||
contents, DFSTestUtil.readFile(fs, dirFile));
|
||||
}
|
||||
|
||||
}
|
||||
Loading…
Reference in New Issue