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HDFS-13040. Kerberized inotify client fails despite kinit properly. Contributed by Istvan Fajth, Wei-Chiu Chuang, Xiao Chen.

This commit is contained in:
Xiao Chen 2018-03-02 16:45:07 -08:00
parent e99a1e7767
commit c75105f07b
3 changed files with 260 additions and 6 deletions
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22
hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/namenode/NameNodeRpcServer.java
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@ -34,6 +34,7 @@ import static org.apache.hadoop.util.Time.now;
import java.io.FileNotFoundException;
import java.io.IOException;
import java.net.InetSocketAddress;
import java.security.PrivilegedExceptionAction;
import java.util.Arrays;
import java.util.Collection;
import java.util.EnumSet;
@ -189,6 +190,7 @@ import org.apache.hadoop.ipc.RefreshResponse;
import org.apache.hadoop.net.Node;
import org.apache.hadoop.security.AccessControlException;
import org.apache.hadoop.security.Groups;
import org.apache.hadoop.security.SecurityUtil;
import org.apache.hadoop.security.UserGroupInformation;
import org.apache.hadoop.security.authorize.AuthorizationException;
import org.apache.hadoop.security.authorize.ProxyUsers;
@ -2253,6 +2255,24 @@ public class NameNodeRpcServer implements NamenodeProtocols {
// guaranteed to have been written by this NameNode.)
boolean readInProgress = syncTxid > 0;
// doas the NN login user for the actual operations to get edits.
// Notably this is necessary when polling from the remote edits via https.
// We have validated the client is a superuser from the NN RPC, so this
// running as the login user here is safe.
EventBatchList ret = SecurityUtil.doAsLoginUser(
new PrivilegedExceptionAction<EventBatchList>() {
@Override
public EventBatchList run() throws IOException {
return getEventBatchList(syncTxid, txid, log, readInProgress,
maxEventsPerRPC);
}
});
return ret;
}
private EventBatchList getEventBatchList(long syncTxid, long txid,
FSEditLog log, boolean readInProgress, int maxEventsPerRPC)
throws IOException {
List<EventBatch> batches = Lists.newArrayList();
int totalEvents = 0;
long maxSeenTxid = -1;
@ -2271,7 +2291,7 @@ public class NameNodeRpcServer implements NamenodeProtocols {
// and are using QJM -- the edit log will be closed and this exception
// will result
LOG.info("NN is transitioning from active to standby and FSEditLog " +
"is closed -- could not read edits");
"is closed -- could not read edits");
return new EventBatchList(batches, firstSeenTxid, maxSeenTxid, syncTxid);
}

223
hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/TestDFSInotifyEventInputStreamKerberized.java Normal file
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@ -0,0 +1,223 @@
/**
* 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.hdfs;
import org.apache.hadoop.conf.Configuration;
import org.apache.hadoop.fs.FileSystem;
import org.apache.hadoop.fs.FileUtil;
import org.apache.hadoop.fs.Path;
import org.apache.hadoop.hdfs.inotify.EventBatch;
import org.apache.hadoop.hdfs.qjournal.MiniQJMHACluster;
import org.apache.hadoop.hdfs.qjournal.TestSecureNNWithQJM;
import org.apache.hadoop.http.HttpConfig;
import org.apache.hadoop.ipc.Client;
import org.apache.hadoop.minikdc.MiniKdc;
import org.apache.hadoop.security.SecurityUtil;
import org.apache.hadoop.security.UserGroupInformation;
import org.apache.hadoop.security.ssl.KeyStoreTestUtil;
import org.junit.After;
import org.junit.Before;
import org.junit.Rule;
import org.junit.Test;
import org.junit.rules.Timeout;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import java.io.File;
import java.security.PrivilegedExceptionAction;
import java.util.Properties;
import static org.apache.hadoop.fs.CommonConfigurationKeys.IPC_CLIENT_CONNECTION_IDLESCANINTERVAL_KEY;
import static org.apache.hadoop.fs.CommonConfigurationKeys.IPC_CLIENT_CONNECT_MAX_RETRIES_ON_SASL_KEY;
import static org.apache.hadoop.fs.CommonConfigurationKeysPublic.HADOOP_KERBEROS_MIN_SECONDS_BEFORE_RELOGIN;
import static org.apache.hadoop.fs.CommonConfigurationKeysPublic.IPC_CLIENT_CONNECTION_MAXIDLETIME_KEY;
import static org.apache.hadoop.hdfs.DFSConfigKeys.DFS_BLOCK_ACCESS_TOKEN_ENABLE_KEY;
import static org.apache.hadoop.hdfs.DFSConfigKeys.DFS_CLIENT_HTTPS_KEYSTORE_RESOURCE_KEY;
import static org.apache.hadoop.hdfs.DFSConfigKeys.DFS_DATANODE_HTTPS_ADDRESS_KEY;
import static org.apache.hadoop.hdfs.DFSConfigKeys.DFS_DATANODE_KERBEROS_PRINCIPAL_KEY;
import static org.apache.hadoop.hdfs.DFSConfigKeys.DFS_DATANODE_KEYTAB_FILE_KEY;
import static org.apache.hadoop.hdfs.DFSConfigKeys.DFS_HTTP_POLICY_KEY;
import static org.apache.hadoop.hdfs.DFSConfigKeys.DFS_JOURNALNODE_HTTPS_ADDRESS_KEY;
import static org.apache.hadoop.hdfs.DFSConfigKeys.DFS_JOURNALNODE_KERBEROS_INTERNAL_SPNEGO_PRINCIPAL_KEY;
import static org.apache.hadoop.hdfs.DFSConfigKeys.DFS_JOURNALNODE_KERBEROS_PRINCIPAL_KEY;
import static org.apache.hadoop.hdfs.DFSConfigKeys.DFS_JOURNALNODE_KEYTAB_FILE_KEY;
import static org.apache.hadoop.hdfs.DFSConfigKeys.DFS_NAMENODE_HTTPS_ADDRESS_KEY;
import static org.apache.hadoop.hdfs.DFSConfigKeys.DFS_NAMENODE_KERBEROS_PRINCIPAL_KEY;
import static org.apache.hadoop.hdfs.DFSConfigKeys.DFS_NAMENODE_KEYTAB_FILE_KEY;
import static org.apache.hadoop.hdfs.DFSConfigKeys.DFS_SERVER_HTTPS_KEYSTORE_RESOURCE_KEY;
import static org.apache.hadoop.hdfs.DFSConfigKeys.DFS_WEB_AUTHENTICATION_KERBEROS_PRINCIPAL_KEY;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertNotNull;
import static org.junit.Assert.assertNull;
import static org.junit.Assert.assertTrue;
/**
* Class for Kerberized test cases for {@link DFSInotifyEventInputStream}.
*/
public class TestDFSInotifyEventInputStreamKerberized {
private static final Logger LOG =
LoggerFactory.getLogger(TestDFSInotifyEventInputStreamKerberized.class);
private File baseDir;
private String keystoresDir;
private String sslConfDir;
private MiniKdc kdc;
private Configuration baseConf;
private Configuration conf;
private MiniQJMHACluster cluster;
private File generalHDFSKeytabFile;
private File nnKeytabFile;
@Rule
public Timeout timeout = new Timeout(180000);
@Test
public void testWithKerberizedCluster() throws Exception {
conf = new HdfsConfiguration(baseConf);
// make sure relogin can happen after tgt expiration.
conf.setInt(HADOOP_KERBEROS_MIN_SECONDS_BEFORE_RELOGIN, 3);
// make sure the rpc connection is not reused
conf.setInt(IPC_CLIENT_CONNECTION_IDLESCANINTERVAL_KEY, 100);
conf.setInt(IPC_CLIENT_CONNECTION_MAXIDLETIME_KEY, 2000);
Client.setConnectTimeout(conf, 2000);
// force the remote journal to be the only edits dir, so we can test
// EditLogFileInputStream$URLLog behavior.
cluster = new MiniQJMHACluster.Builder(conf).setForceRemoteEditsOnly(true)
.build();
cluster.getDfsCluster().waitActive();
cluster.getDfsCluster().transitionToActive(0);
final UserGroupInformation ugi = UserGroupInformation
.loginUserFromKeytabAndReturnUGI("hdfs",
generalHDFSKeytabFile.getAbsolutePath());
UserGroupInformation.setShouldRenewImmediatelyForTests(true);
ugi.doAs(new PrivilegedExceptionAction<Void>() {
@Override
public Void run() throws Exception {
LOG.info("Current user is: " + UserGroupInformation.getCurrentUser()
+ " login user is:" + UserGroupInformation.getLoginUser());
Configuration clientConf =
new Configuration(cluster.getDfsCluster().getConfiguration(0));
try (DistributedFileSystem clientFs =
(DistributedFileSystem) FileSystem.get(clientConf)) {
clientFs.mkdirs(new Path("/test"));
LOG.info("mkdir /test success");
final DFSInotifyEventInputStream eis =
clientFs.getInotifyEventStream();
// verify we can poll
EventBatch batch;
while ((batch = eis.poll()) != null) {
LOG.info("txid: " + batch.getTxid());
}
assertNull("poll should not return anything", eis.poll());
Thread.sleep(6000);
LOG.info("Slept 6 seconds to make sure the TGT has expired.");
UserGroupInformation.getCurrentUser()
.checkTGTAndReloginFromKeytab();
clientFs.mkdirs(new Path("/test1"));
LOG.info("mkdir /test1 success");
// verify we can poll after a tgt expiration interval
batch = eis.poll();
assertNotNull("poll should return something", batch);
assertEquals(1, batch.getEvents().length);
assertNull("poll should not return anything", eis.poll());
return null;
}
}
});
}
@Before
public void initKerberizedCluster() throws Exception {
baseDir = new File(System.getProperty("test.build.dir", "target/test-dir"),
TestDFSInotifyEventInputStreamKerberized.class.getSimpleName());
FileUtil.fullyDelete(baseDir);
assertTrue(baseDir.mkdirs());
final Properties kdcConf = MiniKdc.createConf();
kdcConf.setProperty(MiniKdc.MAX_TICKET_LIFETIME, "5");
kdcConf.setProperty(MiniKdc.MIN_TICKET_LIFETIME, "5");
kdc = new MiniKdc(kdcConf, baseDir);
kdc.start();
baseConf = new HdfsConfiguration();
SecurityUtil.setAuthenticationMethod(
UserGroupInformation.AuthenticationMethod.KERBEROS, baseConf);
UserGroupInformation.setConfiguration(baseConf);
assertTrue("Expected configuration to enable security",
UserGroupInformation.isSecurityEnabled());
final String userName = "hdfs";
nnKeytabFile = new File(baseDir, userName + ".keytab");
final String keytab = nnKeytabFile.getAbsolutePath();
// Windows will not reverse name lookup "127.0.0.1" to "localhost".
final String krbInstance = Path.WINDOWS ? "127.0.0.1" : "localhost";
kdc.createPrincipal(nnKeytabFile, userName + "/" + krbInstance,
"HTTP/" + krbInstance);
generalHDFSKeytabFile = new File(baseDir, "hdfs_general.keytab");
kdc.createPrincipal(generalHDFSKeytabFile, "hdfs");
assertTrue(generalHDFSKeytabFile.exists());
final String hdfsPrincipal =
userName + "/" + krbInstance + "@" + kdc.getRealm();
final String spnegoPrincipal = "HTTP/" + krbInstance + "@" + kdc.getRealm();
baseConf.set(DFS_NAMENODE_KERBEROS_PRINCIPAL_KEY, hdfsPrincipal);
baseConf.set(DFS_NAMENODE_KEYTAB_FILE_KEY, keytab);
baseConf.set(DFS_DATANODE_KERBEROS_PRINCIPAL_KEY, hdfsPrincipal);
baseConf.set(DFS_DATANODE_KEYTAB_FILE_KEY, keytab);
baseConf
.set(DFS_WEB_AUTHENTICATION_KERBEROS_PRINCIPAL_KEY, spnegoPrincipal);
baseConf.set(DFS_JOURNALNODE_KEYTAB_FILE_KEY, keytab);
baseConf.set(DFS_JOURNALNODE_KERBEROS_PRINCIPAL_KEY, hdfsPrincipal);
baseConf.set(DFS_JOURNALNODE_KERBEROS_INTERNAL_SPNEGO_PRINCIPAL_KEY,
spnegoPrincipal);
baseConf.setBoolean(DFS_BLOCK_ACCESS_TOKEN_ENABLE_KEY, true);
baseConf.set(DFS_HTTP_POLICY_KEY, HttpConfig.Policy.HTTPS_ONLY.name());
baseConf.set(DFS_NAMENODE_HTTPS_ADDRESS_KEY, "localhost:0");
baseConf.set(DFS_DATANODE_HTTPS_ADDRESS_KEY, "localhost:0");
baseConf.set(DFS_JOURNALNODE_HTTPS_ADDRESS_KEY, "localhost:0");
baseConf.setInt(IPC_CLIENT_CONNECT_MAX_RETRIES_ON_SASL_KEY, 10);
keystoresDir = baseDir.getAbsolutePath();
sslConfDir = KeyStoreTestUtil.getClasspathDir(TestSecureNNWithQJM.class);
KeyStoreTestUtil.setupSSLConfig(keystoresDir, sslConfDir, baseConf, false);
baseConf.set(DFS_CLIENT_HTTPS_KEYSTORE_RESOURCE_KEY,
KeyStoreTestUtil.getClientSSLConfigFileName());
baseConf.set(DFS_SERVER_HTTPS_KEYSTORE_RESOURCE_KEY,
KeyStoreTestUtil.getServerSSLConfigFileName());
}
@After
public void shutdownCluster() throws Exception {
if (cluster != null) {
cluster.shutdown();
}
if (kdc != null) {
kdc.stop();
}
FileUtil.fullyDelete(baseDir);
KeyStoreTestUtil.cleanupSSLConfig(keystoresDir, sslConfDir);
}
}

21
hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/qjournal/MiniQJMHACluster.java
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@ -48,6 +48,7 @@ public class MiniQJMHACluster {
private StartupOption startOpt = null;
private int numNNs = 2;
private final MiniDFSCluster.Builder dfsBuilder;
private boolean forceRemoteEditsOnly = false;
public Builder(Configuration conf) {
this.conf = conf;
@ -72,6 +73,11 @@ public class MiniQJMHACluster {
this.numNNs = nns;
return this;
}
public Builder setForceRemoteEditsOnly(boolean val) {
this.forceRemoteEditsOnly = val;
return this;
}
}
public static MiniDFSNNTopology createDefaultTopology(int nns, int startingPort) {
@ -107,7 +113,7 @@ public class MiniQJMHACluster {
// start cluster with specified NameNodes
MiniDFSNNTopology topology = createDefaultTopology(builder.numNNs, basePort);
initHAConf(journalURI, builder.conf, builder.numNNs, basePort);
initHAConf(journalURI, builder, basePort);
// First start up the NNs just to format the namespace. The MinIDFSCluster
// has no way to just format the NameNodes without also starting them.
@ -139,14 +145,19 @@ public class MiniQJMHACluster {
}
}
private Configuration initHAConf(URI journalURI, Configuration conf,
int numNNs, int basePort) {
private Configuration initHAConf(URI journalURI, Builder builder,
int basePort) {
conf.set(DFSConfigKeys.DFS_NAMENODE_SHARED_EDITS_DIR_KEY,
journalURI.toString());
if (builder.forceRemoteEditsOnly) {
conf.set(DFSConfigKeys.DFS_NAMENODE_EDITS_DIR_KEY, journalURI.toString());
conf.set(DFSConfigKeys.DFS_NAMENODE_EDITS_DIR_REQUIRED_KEY,
journalURI.toString());
}
List<String> nns = new ArrayList<String>(numNNs);
List<String> nns = new ArrayList<>(builder.numNNs);
int port = basePort;
for (int i = 0; i < numNNs; i++) {
for (int i = 0; i < builder.numNNs; i++) {
nns.add("127.0.0.1:" + port);
// increment by 2 each time to account for the http port in the config setting
port += 2;