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HADOOP-14104. Client should always ask namenode for kms provider path. Contributed by Rushabh S Shah.

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This commit is contained in:
Andrew Wang 2017-04-04 13:38:25 -07:00
parent 56ab02eed9
commit 18432130a7
16 changed files with 386 additions and 40 deletions
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3
hadoop-common-project/hadoop-common/src/main/java/org/apache/hadoop/fs/FileSystem.java
View File

@ -874,7 +874,8 @@ public FsServerDefaults getServerDefaults() throws IOException {
config.getInt(IO_FILE_BUFFER_SIZE_KEY, IO_FILE_BUFFER_SIZE_DEFAULT),
false,
FS_TRASH_INTERVAL_DEFAULT,
DataChecksum.Type.CRC32);
DataChecksum.Type.CRC32,
"");
}
/**

13
hadoop-common-project/hadoop-common/src/main/java/org/apache/hadoop/fs/FsServerDefaults.java
View File

@ -54,6 +54,7 @@ public Writable newInstance() {
private boolean encryptDataTransfer;
private long trashInterval;
private DataChecksum.Type checksumType;
private String keyProviderUri;
public FsServerDefaults() {
}
@ -61,7 +62,8 @@ public FsServerDefaults() {
public FsServerDefaults(long blockSize, int bytesPerChecksum,
int writePacketSize, short replication, int fileBufferSize,
boolean encryptDataTransfer, long trashInterval,
DataChecksum.Type checksumType) {
DataChecksum.Type checksumType,
String keyProviderUri) {
this.blockSize = blockSize;
this.bytesPerChecksum = bytesPerChecksum;
this.writePacketSize = writePacketSize;
@ -70,6 +72,7 @@ public FsServerDefaults(long blockSize, int bytesPerChecksum,
this.encryptDataTransfer = encryptDataTransfer;
this.trashInterval = trashInterval;
this.checksumType = checksumType;
this.keyProviderUri = keyProviderUri;
}
public long getBlockSize() {
@ -104,6 +107,14 @@ public DataChecksum.Type getChecksumType() {
return checksumType;
}
/* null means old style namenode.
* "" (empty string) means namenode is upgraded but EZ is not supported.
* some string means that value is the key provider.
*/
public String getKeyProviderUri() {
return keyProviderUri;
}
// /////////////////////////////////////////
// Writable
// /////////////////////////////////////////

4
hadoop-common-project/hadoop-common/src/main/java/org/apache/hadoop/fs/ftp/FtpConfigKeys.java
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@ -54,6 +54,7 @@ public class FtpConfigKeys extends CommonConfigurationKeys {
public static final long FS_TRASH_INTERVAL_DEFAULT = 0;
public static final DataChecksum.Type CHECKSUM_TYPE_DEFAULT =
DataChecksum.Type.CRC32;
public static final String KEY_PROVIDER_URI_DEFAULT = "";
protected static FsServerDefaults getServerDefaults() throws IOException {
return new FsServerDefaults(
@ -64,7 +65,8 @@ protected static FsServerDefaults getServerDefaults() throws IOException {
STREAM_BUFFER_SIZE_DEFAULT,
ENCRYPT_DATA_TRANSFER_DEFAULT,
FS_TRASH_INTERVAL_DEFAULT,
CHECKSUM_TYPE_DEFAULT);
CHECKSUM_TYPE_DEFAULT,
KEY_PROVIDER_URI_DEFAULT);
}
}

5
hadoop-common-project/hadoop-common/src/main/java/org/apache/hadoop/fs/local/LocalConfigKeys.java
View File

@ -54,6 +54,8 @@ public class LocalConfigKeys extends CommonConfigurationKeys {
public static final long FS_TRASH_INTERVAL_DEFAULT = 0;
public static final DataChecksum.Type CHECKSUM_TYPE_DEFAULT =
DataChecksum.Type.CRC32;
public static final String KEY_PROVIDER_URI_DEFAULT = "";
public static FsServerDefaults getServerDefaults() throws IOException {
return new FsServerDefaults(
BLOCK_SIZE_DEFAULT,
@ -63,7 +65,8 @@ public static FsServerDefaults getServerDefaults() throws IOException {
STREAM_BUFFER_SIZE_DEFAULT,
ENCRYPT_DATA_TRANSFER_DEFAULT,
FS_TRASH_INTERVAL_DEFAULT,
CHECKSUM_TYPE_DEFAULT);
CHECKSUM_TYPE_DEFAULT,
KEY_PROVIDER_URI_DEFAULT);
}
}

20
hadoop-common-project/hadoop-common/src/main/java/org/apache/hadoop/util/KMSUtil.java
View File

@ -26,7 +26,6 @@
import java.io.IOException;
import java.net.URI;
import java.net.URISyntaxException;
/**
* Utils for KMS.
@ -51,21 +50,20 @@ private KMSUtil() { /* Hidden constructor */ }
public static KeyProvider createKeyProvider(final Configuration conf,
final String configKeyName) throws IOException {
LOG.debug("Creating key provider with config key {}", configKeyName);
final String providerUriStr = conf.getTrimmed(configKeyName, "");
final String providerUriStr = conf.getTrimmed(configKeyName);
// No provider set in conf
if (providerUriStr.isEmpty()) {
if (providerUriStr == null || providerUriStr.isEmpty()) {
return null;
}
final URI providerUri;
try {
providerUri = new URI(providerUriStr);
} catch (URISyntaxException e) {
throw new IOException(e);
}
return createKeyProviderFromUri(conf, URI.create(providerUriStr));
}
public static KeyProvider createKeyProviderFromUri(final Configuration conf,
final URI providerUri) throws IOException {
KeyProvider keyProvider = KeyProviderFactory.get(providerUri, conf);
if (keyProvider == null) {
throw new IOException("Could not instantiate KeyProvider from " +
configKeyName + " setting of '" + providerUriStr + "'");
throw new IOException("Could not instantiate KeyProvider for uri: " +
providerUri);
}
if (keyProvider.isTransient()) {
throw new IOException("KeyProvider " + keyProvider.toString()

2
hadoop-common-project/hadoop-common/src/main/resources/core-default.xml
View File

@ -2202,6 +2202,8 @@
<description>
The KeyProvider to use when managing zone keys, and interacting with
encryption keys when reading and writing to an encryption zone.
For hdfs clients, the provider path will be same as namenode's
provider path.
</description>
</property>

78
hadoop-hdfs-project/hadoop-hdfs-client/src/main/java/org/apache/hadoop/hdfs/DFSClient.java
View File

@ -67,6 +67,7 @@
import org.apache.hadoop.crypto.key.KeyProviderCryptoExtension.EncryptedKeyVersion;
import org.apache.hadoop.fs.BlockLocation;
import org.apache.hadoop.fs.CacheFlag;
import org.apache.hadoop.fs.CommonConfigurationKeysPublic;
import org.apache.hadoop.fs.ContentSummary;
import org.apache.hadoop.fs.CreateFlag;
import org.apache.hadoop.fs.FileAlreadyExistsException;
@ -160,6 +161,7 @@
import org.apache.hadoop.net.DNS;
import org.apache.hadoop.net.NetUtils;
import org.apache.hadoop.security.AccessControlException;
import org.apache.hadoop.security.Credentials;
import org.apache.hadoop.security.UserGroupInformation;
import org.apache.hadoop.security.token.SecretManager.InvalidToken;
import org.apache.hadoop.security.token.Token;
@ -197,6 +199,7 @@ public class DFSClient implements java.io.Closeable, RemotePeerFactory,
public static final Logger LOG = LoggerFactory.getLogger(DFSClient.class);
// 1 hour
public static final long SERVER_DEFAULTS_VALIDITY_PERIOD = 60 * 60 * 1000L;
private static final String DFS_KMS_PREFIX = "dfs-kms-";
private final Configuration conf;
private final Tracer tracer;
@ -214,7 +217,7 @@ public class DFSClient implements java.io.Closeable, RemotePeerFactory,
final SocketFactory socketFactory;
final ReplaceDatanodeOnFailure dtpReplaceDatanodeOnFailure;
private final FileSystem.Statistics stats;
private final String authority;
private final URI namenodeUri;
private final Random r = new Random();
private SocketAddress[] localInterfaceAddrs;
private DataEncryptionKey encryptionKey;
@ -228,6 +231,7 @@ public class DFSClient implements java.io.Closeable, RemotePeerFactory,
private static ThreadPoolExecutor HEDGED_READ_THREAD_POOL;
private static volatile ThreadPoolExecutor STRIPED_READ_THREAD_POOL;
private final int smallBufferSize;
private URI keyProviderUri = null;
public DfsClientConf getConf() {
return dfsClientConf;
@ -298,7 +302,7 @@ public DFSClient(URI nameNodeUri, ClientProtocol rpcNamenode,
this.ugi = UserGroupInformation.getCurrentUser();
this.authority = nameNodeUri == null? "null": nameNodeUri.getAuthority();
this.namenodeUri = nameNodeUri;
this.clientName = "DFSClient_" + dfsClientConf.getTaskId() + "_" +
ThreadLocalRandom.current().nextInt() + "_" +
Thread.currentThread().getId();
@ -454,7 +458,8 @@ void checkOpen() throws IOException {
* be returned until all output streams are closed.
*/
public LeaseRenewer getLeaseRenewer() {
return LeaseRenewer.getInstance(authority, ugi, this);
return LeaseRenewer.getInstance(
namenodeUri != null ? namenodeUri.getAuthority() : "null", ugi, this);
}
/** Get a lease and start automatic renewal */
@ -2851,8 +2856,66 @@ DFSHedgedReadMetrics getHedgedReadMetrics() {
return HEDGED_READ_METRIC;
}
public KeyProvider getKeyProvider() {
return clientContext.getKeyProviderCache().get(conf);
/**
* Returns a key to map namenode uri to key provider uri.
* Tasks will lookup this key to find key Provider.
*/
public Text getKeyProviderMapKey() {
return new Text(DFS_KMS_PREFIX + namenodeUri.getScheme()
+"://" + namenodeUri.getAuthority());
}
/**
* The key provider uri is searched in the following order.
* 1. If there is a mapping in Credential's secrets map for namenode uri.
* 2. From namenode getServerDefaults rpc.
* 3. Finally fallback to local conf.
* @return keyProviderUri if found from either of above 3 cases,
* null otherwise
* @throws IOException
*/
URI getKeyProviderUri() throws IOException {
if (keyProviderUri != null) {
return keyProviderUri;
}
// Lookup the secret in credentials object for namenodeuri.
Credentials credentials = ugi.getCredentials();
byte[] keyProviderUriBytes = credentials.getSecretKey(getKeyProviderMapKey());
if(keyProviderUriBytes != null) {
keyProviderUri =
URI.create(DFSUtilClient.bytes2String(keyProviderUriBytes));
return keyProviderUri;
}
// Query the namenode for the key provider uri.
FsServerDefaults serverDefaults = getServerDefaults();
if (serverDefaults.getKeyProviderUri() != null) {
if (!serverDefaults.getKeyProviderUri().isEmpty()) {
keyProviderUri = URI.create(serverDefaults.getKeyProviderUri());
}
return keyProviderUri;
}
// Last thing is to trust its own conf to be backwards compatible.
String keyProviderUriStr = conf.getTrimmed(
CommonConfigurationKeysPublic.HADOOP_SECURITY_KEY_PROVIDER_PATH);
if (keyProviderUriStr != null && !keyProviderUriStr.isEmpty()) {
keyProviderUri = URI.create(keyProviderUriStr);
}
return keyProviderUri;
}
public KeyProvider getKeyProvider() throws IOException {
return clientContext.getKeyProviderCache().get(conf, getKeyProviderUri());
}
/*
* Should be used only for testing.
*/
@VisibleForTesting
public void setKeyProviderUri(URI providerUri) {
this.keyProviderUri = providerUri;
}
@VisibleForTesting
@ -2862,11 +2925,10 @@ public void setKeyProvider(KeyProvider provider) {
/**
* Probe for encryption enabled on this filesystem.
* See {@link DFSUtilClient#isHDFSEncryptionEnabled(Configuration)}
* @return true if encryption is enabled
*/
public boolean isHDFSEncryptionEnabled() {
return DFSUtilClient.isHDFSEncryptionEnabled(this.conf);
public boolean isHDFSEncryptionEnabled() throws IOException{
return getKeyProviderUri() != null;
}
/**

13
hadoop-hdfs-project/hadoop-hdfs-client/src/main/java/org/apache/hadoop/hdfs/DistributedFileSystem.java
View File

@ -2409,12 +2409,15 @@ public Void next(final FileSystem fs, final Path p)
public Token<?>[] addDelegationTokens(
final String renewer, Credentials credentials) throws IOException {
Token<?>[] tokens = super.addDelegationTokens(renewer, credentials);
if (dfs.isHDFSEncryptionEnabled()) {
URI keyProviderUri = dfs.getKeyProviderUri();
if (keyProviderUri != null) {
KeyProviderDelegationTokenExtension keyProviderDelegationTokenExtension =
KeyProviderDelegationTokenExtension.
createKeyProviderDelegationTokenExtension(dfs.getKeyProvider());
Token<?>[] kpTokens = keyProviderDelegationTokenExtension.
addDelegationTokens(renewer, credentials);
credentials.addSecretKey(dfs.getKeyProviderMapKey(),
DFSUtilClient.string2Bytes(keyProviderUri.toString()));
if (tokens != null && kpTokens != null) {
Token<?>[] all = new Token<?>[tokens.length + kpTokens.length];
System.arraycopy(tokens, 0, all, 0, tokens.length);
@ -2551,7 +2554,13 @@ public Void next(final FileSystem fs, final Path p) throws IOException {
*/
@Override
public Path getTrashRoot(Path path) {
if ((path == null) || !dfs.isHDFSEncryptionEnabled()) {
try {
if ((path == null) || !dfs.isHDFSEncryptionEnabled()) {
return super.getTrashRoot(path);
}
} catch (IOException ioe) {
DFSClient.LOG.warn("Exception while checking whether encryption zone is "
+ "supported", ioe);
return super.getTrashRoot(path);
}

17
hadoop-hdfs-project/hadoop-hdfs-client/src/main/java/org/apache/hadoop/hdfs/KeyProviderCache.java
View File

@ -26,6 +26,7 @@
import org.apache.hadoop.conf.Configuration;
import org.apache.hadoop.crypto.key.KeyProvider;
import org.apache.hadoop.fs.CommonConfigurationKeysPublic;
import org.apache.hadoop.util.KMSUtil;
import com.google.common.annotations.VisibleForTesting;
import com.google.common.cache.Cache;
@ -66,29 +67,29 @@ public void onRemoval(
.build();
}
public KeyProvider get(final Configuration conf) {
URI kpURI = createKeyProviderURI(conf);
if (kpURI == null) {
public KeyProvider get(final Configuration conf,
final URI serverProviderUri) {
if (serverProviderUri == null) {
return null;
}
try {
return cache.get(kpURI, new Callable<KeyProvider>() {
return cache.get(serverProviderUri, new Callable<KeyProvider>() {
@Override
public KeyProvider call() throws Exception {
return DFSUtilClient.createKeyProvider(conf);
return KMSUtil.createKeyProviderFromUri(conf, serverProviderUri);
}
});
} catch (Exception e) {
LOG.error("Could not create KeyProvider for DFSClient !!", e.getCause());
LOG.error("Could not create KeyProvider for DFSClient !!", e);
return null;
}
}
private URI createKeyProviderURI(Configuration conf) {
final String providerUriStr = conf.getTrimmed(
CommonConfigurationKeysPublic.HADOOP_SECURITY_KEY_PROVIDER_PATH, "");
CommonConfigurationKeysPublic.HADOOP_SECURITY_KEY_PROVIDER_PATH);
// No provider set in conf
if (providerUriStr.isEmpty()) {
if (providerUriStr == null || providerUriStr.isEmpty()) {
LOG.error("Could not find uri with key ["
+ CommonConfigurationKeysPublic.HADOOP_SECURITY_KEY_PROVIDER_PATH
+ "] to create a keyProvider !!");

4
hadoop-hdfs-project/hadoop-hdfs-client/src/main/java/org/apache/hadoop/hdfs/protocolPB/PBHelperClient.java
View File

@ -1758,7 +1758,8 @@ public static FsServerDefaults convert(FsServerDefaultsProto fs) {
fs.getFileBufferSize(),
fs.getEncryptDataTransfer(),
fs.getTrashInterval(),
convert(fs.getChecksumType()));
convert(fs.getChecksumType()),
fs.hasKeyProviderUri() ? fs.getKeyProviderUri() : null);
}
public static List<CryptoProtocolVersionProto> convert(
@ -1932,6 +1933,7 @@ public static FsServerDefaultsProto convert(FsServerDefaults fs) {
.setEncryptDataTransfer(fs.getEncryptDataTransfer())
.setTrashInterval(fs.getTrashInterval())
.setChecksumType(convert(fs.getChecksumType()))
.setKeyProviderUri(fs.getKeyProviderUri())
.build();
}

1
hadoop-hdfs-project/hadoop-hdfs-client/src/main/proto/hdfs.proto
View File

@ -420,6 +420,7 @@ message FsServerDefaultsProto {
optional bool encryptDataTransfer = 6 [default = false];
optional uint64 trashInterval = 7 [default = 0];
optional ChecksumTypeProto checksumType = 8 [default = CHECKSUM_CRC32];
optional string keyProviderUri = 9;
}

8
hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/namenode/FSNamesystem.java
View File

@ -148,6 +148,7 @@
import org.apache.hadoop.hdfs.AddBlockFlag;
import org.apache.hadoop.fs.BatchedRemoteIterator.BatchedListEntries;
import org.apache.hadoop.fs.CacheFlag;
import org.apache.hadoop.fs.CommonConfigurationKeysPublic;
import org.apache.hadoop.fs.ContentSummary;
import org.apache.hadoop.fs.CreateFlag;
import org.apache.hadoop.fs.FileEncryptionInfo;
@ -778,8 +779,11 @@ static FSNamesystem loadFromDisk(Configuration conf) throws IOException {
conf.getInt(IO_FILE_BUFFER_SIZE_KEY, IO_FILE_BUFFER_SIZE_DEFAULT),
conf.getBoolean(DFS_ENCRYPT_DATA_TRANSFER_KEY, DFS_ENCRYPT_DATA_TRANSFER_DEFAULT),
conf.getLong(FS_TRASH_INTERVAL_KEY, FS_TRASH_INTERVAL_DEFAULT),
checksumType);
checksumType,
conf.getTrimmed(
CommonConfigurationKeysPublic.HADOOP_SECURITY_KEY_PROVIDER_PATH,
""));
this.maxFsObjects = conf.getLong(DFS_NAMENODE_MAX_OBJECTS_KEY,
DFS_NAMENODE_MAX_OBJECTS_DEFAULT);

1
hadoop-hdfs-project/hadoop-hdfs/src/site/markdown/TransparentEncryption.md
View File

@ -97,6 +97,7 @@ Once a KMS has been set up and the NameNode and HDFS clients have been correctly
#### hadoop.security.key.provider.path
The KeyProvider to use when interacting with encryption keys used when reading and writing to an encryption zone.
HDFS clients will use the provider path returned from Namenode via getServerDefaults. If namenode doesn't support returning key provider uri then client's conf will be used.
### <a name="Selecting_an_encryption_algorithm_and_codec"></a>Selecting an encryption algorithm and codec

205
hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/TestEncryptionZones.java
View File

@ -56,6 +56,7 @@
import org.apache.hadoop.fs.FileSystem;
import org.apache.hadoop.fs.FileSystemTestHelper;
import org.apache.hadoop.fs.FileSystemTestWrapper;
import org.apache.hadoop.fs.FsServerDefaults;
import org.apache.hadoop.fs.FsShell;
import org.apache.hadoop.fs.Path;
import org.apache.hadoop.fs.RemoteIterator;
@ -83,6 +84,7 @@
import org.apache.hadoop.security.Credentials;
import org.apache.hadoop.security.UserGroupInformation;
import org.apache.hadoop.security.token.Token;
import org.apache.hadoop.util.DataChecksum;
import org.apache.hadoop.util.ToolRunner;
import org.apache.hadoop.crypto.key.KeyProviderDelegationTokenExtension.DelegationTokenExtension;
import org.apache.hadoop.crypto.key.KeyProviderCryptoExtension.CryptoExtension;
@ -105,8 +107,21 @@
import static org.mockito.Mockito.withSettings;
import static org.mockito.Mockito.any;
import static org.mockito.Mockito.anyString;
import static org.apache.hadoop.fs.CommonConfigurationKeysPublic.FS_TRASH_INTERVAL_DEFAULT;
import static org.apache.hadoop.fs.CommonConfigurationKeysPublic.FS_TRASH_INTERVAL_KEY;
import static org.apache.hadoop.fs.CommonConfigurationKeysPublic.IO_FILE_BUFFER_SIZE_DEFAULT;
import static org.apache.hadoop.fs.CommonConfigurationKeysPublic.IO_FILE_BUFFER_SIZE_KEY;
import static org.apache.hadoop.hdfs.DFSConfigKeys.DFS_BLOCK_SIZE_DEFAULT;
import static org.apache.hadoop.hdfs.DFSConfigKeys.DFS_BLOCK_SIZE_KEY;
import static org.apache.hadoop.hdfs.DFSConfigKeys.DFS_ENCRYPT_DATA_TRANSFER_DEFAULT;
import static org.apache.hadoop.hdfs.DFSConfigKeys.DFS_ENCRYPT_DATA_TRANSFER_KEY;
import static org.apache.hadoop.hdfs.DFSConfigKeys.DFS_REPLICATION_DEFAULT;
import static org.apache.hadoop.hdfs.DFSConfigKeys.DFS_REPLICATION_KEY;
import static org.apache.hadoop.hdfs.DFSTestUtil.verifyFilesEqual;
import static org.apache.hadoop.hdfs.client.HdfsClientConfigKeys.DFS_BYTES_PER_CHECKSUM_DEFAULT;
import static org.apache.hadoop.hdfs.client.HdfsClientConfigKeys.DFS_BYTES_PER_CHECKSUM_KEY;
import static org.apache.hadoop.hdfs.client.HdfsClientConfigKeys.DFS_CLIENT_WRITE_PACKET_SIZE_DEFAULT;
import static org.apache.hadoop.hdfs.client.HdfsClientConfigKeys.DFS_CLIENT_WRITE_PACKET_SIZE_KEY;
import static org.apache.hadoop.test.GenericTestUtils.assertExceptionContains;
import static org.apache.hadoop.test.MetricsAsserts.assertGauge;
import static org.apache.hadoop.test.MetricsAsserts.getMetrics;
@ -1668,4 +1683,194 @@ private void verifyShellDeleteWithTrash(FsShell shell, Path path)
}
}
}
/** This test tests that client will first lookup secrets map
* for key provider uri from {@link Credentials} in
* {@link UserGroupInformation}
* @throws Exception
*/
@Test
public void testProviderUriInCredentials() throws Exception {
String dummyKeyProvider = "dummy://foo:bar@test_provider1";
DFSClient client = cluster.getFileSystem().getClient();
Credentials credentials = new Credentials();
// Key provider uri should be in the secret map of credentials object with
// namenode uri as key
Text lookUpKey = client.getKeyProviderMapKey();
credentials.addSecretKey(lookUpKey,
DFSUtilClient.string2Bytes(dummyKeyProvider));
client.ugi.addCredentials(credentials);
client.setKeyProviderUri(null);
Assert.assertEquals("Client Key provider is different from provider in "
+ "credentials map", dummyKeyProvider,
client.getKeyProviderUri().toString());
}
/**
* Testing the fallback behavior of keyProviderUri.
* This test tests first the key provider uri is used from conf
* and then used from serverDefaults.
* @throws IOException
*/
@Test
public void testKeyProviderFallBackBehavior() throws IOException {
Configuration clusterConf = cluster.getConfiguration(0);
String dummyKeyProviderUri1 = "dummy://foo:bar@test_provider1";
// set the key provider uri in conf.
clusterConf.set(
CommonConfigurationKeysPublic.HADOOP_SECURITY_KEY_PROVIDER_PATH,
dummyKeyProviderUri1);
DFSClient mockClient = Mockito.spy(cluster.getFileSystem().getClient());
mockClient.setKeyProviderUri(null);
// Namenode returning null as keyProviderUri in FSServerDefaults.
FsServerDefaults serverDefaultsWithKeyProviderNull =
getTestServerDefaults(null);
Mockito.doReturn(serverDefaultsWithKeyProviderNull)
.when(mockClient).getServerDefaults();
Assert.assertEquals(
"Key provider uri from client doesn't match with uri from conf",
dummyKeyProviderUri1, mockClient.getKeyProviderUri().toString());
Mockito.verify(mockClient, Mockito.times(1)).getServerDefaults();
String dummyKeyProviderUri2 = "dummy://foo:bar@test_provider2";
mockClient.setKeyProviderUri(null);
FsServerDefaults serverDefaultsWithDummyKeyProvider =
getTestServerDefaults(dummyKeyProviderUri2);
// Namenode returning dummyKeyProvider2 in serverDefaults.
Mockito.doReturn(serverDefaultsWithDummyKeyProvider)
.when(mockClient).getServerDefaults();
Assert.assertEquals(
"Key provider uri from client doesn't match with uri from namenode",
dummyKeyProviderUri2, mockClient.getKeyProviderUri().toString());
Mockito.verify(mockClient, Mockito.times(2)).getServerDefaults();
}
/**
* This test makes sure the client gets the key provider uri from namenode
* instead of its own conf.
* This test assumes both the namenode and client are upgraded.
* @throws Exception
*/
@Test
public void testDifferentKMSProviderOnUpgradedNamenode() throws Exception {
Configuration clusterConf = cluster.getConfiguration(0);
URI namenodeKeyProviderUri = URI.create(getKeyProviderURI());
Assert.assertEquals("Key Provider for client and namenode are different",
namenodeKeyProviderUri, cluster.getFileSystem().getClient()
.getKeyProviderUri());
// Unset the provider path in conf
clusterConf.unset(
CommonConfigurationKeysPublic.HADOOP_SECURITY_KEY_PROVIDER_PATH);
// Nullify the cached value for key provider uri on client
cluster.getFileSystem().getClient().setKeyProviderUri(null);
// Even after unsetting the local conf, the client key provider should be
// the same as namenode's provider.
Assert.assertEquals("Key Provider for client and namenode are different",
namenodeKeyProviderUri, cluster.getFileSystem().getClient()
.getKeyProviderUri());
// Set the provider path to some dummy scheme.
clusterConf.set(
CommonConfigurationKeysPublic.HADOOP_SECURITY_KEY_PROVIDER_PATH,
"dummy://foo:bar@test_provider1");
// Nullify the cached value for key provider uri on client
cluster.getFileSystem().getClient().setKeyProviderUri(null);
// Even after pointing the conf to some dummy provider, the client key
// provider should be the same as namenode's provider.
Assert.assertEquals("Key Provider for client and namenode are different",
namenodeKeyProviderUri, cluster.getFileSystem().getClient()
.getKeyProviderUri());
}
/**
* This test makes sure the client trusts its local conf
* This test assumes the client is upgraded but the namenode is not.
* @throws Exception
*/
@Test
public void testDifferentKMSProviderOnUnUpgradedNamenode()
throws Exception {
Configuration clusterConf = cluster.getConfiguration(0);
URI namenodeKeyProviderUri = URI.create(getKeyProviderURI());
URI clientKeyProviderUri =
cluster.getFileSystem().getClient().getKeyProviderUri();
Assert.assertNotNull(clientKeyProviderUri);
// Since the client and the namenode share the same conf, they will have
// identical key provider.
Assert.assertEquals("Key Provider for client and namenode are different",
namenodeKeyProviderUri, clientKeyProviderUri);
String dummyKeyProviderUri = "dummy://foo:bar@test_provider";
// Unset the provider path in conf.
clusterConf.set(
CommonConfigurationKeysPublic.HADOOP_SECURITY_KEY_PROVIDER_PATH,
dummyKeyProviderUri);
FsServerDefaults spyServerDefaults = getTestServerDefaults(null);
// Creating a fake serverdefaults so that we can simulate namenode not
// being upgraded.
DFSClient spyClient = Mockito.spy(cluster.getFileSystem().getClient());
// Clear the cache value of keyProviderUri on client side.
spyClient.setKeyProviderUri(null);
Mockito.doReturn(spyServerDefaults).when(spyClient).getServerDefaults();
// Since FsServerDefaults#keyProviderUri is null, the client
// will fallback to local conf which is null.
clientKeyProviderUri = spyClient.getKeyProviderUri();
Assert.assertEquals("Client keyProvider should be " + dummyKeyProviderUri,
dummyKeyProviderUri, clientKeyProviderUri.toString());
Mockito.verify(spyClient, Mockito.times(1)).getServerDefaults();
}
// Given a provider uri return serverdefaults.
// provider uri == null means the namenode does not support returning
// provider uri in FSServerDefaults object.
private FsServerDefaults getTestServerDefaults(String providerPath) {
FsServerDefaults serverDefaults = new FsServerDefaults(
conf.getLongBytes(DFS_BLOCK_SIZE_KEY, DFS_BLOCK_SIZE_DEFAULT),
conf.getInt(DFS_BYTES_PER_CHECKSUM_KEY, DFS_BYTES_PER_CHECKSUM_DEFAULT),
conf.getInt(DFS_CLIENT_WRITE_PACKET_SIZE_KEY,
DFS_CLIENT_WRITE_PACKET_SIZE_DEFAULT),
(short) conf.getInt(DFS_REPLICATION_KEY, DFS_REPLICATION_DEFAULT),
conf.getInt(IO_FILE_BUFFER_SIZE_KEY, IO_FILE_BUFFER_SIZE_DEFAULT),
conf.getBoolean(
DFS_ENCRYPT_DATA_TRANSFER_KEY, DFS_ENCRYPT_DATA_TRANSFER_DEFAULT),
conf.getLong(FS_TRASH_INTERVAL_KEY, FS_TRASH_INTERVAL_DEFAULT),
DataChecksum.Type.valueOf(DFSConfigKeys.DFS_CHECKSUM_TYPE_DEFAULT),
providerPath);
return serverDefaults;
}
/**
* This test performs encrypted read/write and picks up the key provider uri
* from the credentials and not the conf.
* @throws Exception
*/
@Test
public void testEncryptedReadWriteUsingDiffKeyProvider() throws Exception {
final HdfsAdmin dfsAdmin =
new HdfsAdmin(FileSystem.getDefaultUri(conf), conf);
Configuration clusterConf = cluster.getConfiguration(0);
clusterConf.unset(
CommonConfigurationKeysPublic.HADOOP_SECURITY_KEY_PROVIDER_PATH);
DFSClient client = cluster.getFileSystem().getClient();
Credentials credentials = new Credentials();
Text lookUpKey = client.getKeyProviderMapKey();
credentials.addSecretKey(lookUpKey,
DFSUtilClient.string2Bytes(getKeyProviderURI()));
client.ugi.addCredentials(credentials);
// Create a base file for comparison
final Path baseFile = new Path("/base");
final int len = 8192;
DFSTestUtil.createFile(fs, baseFile, len, (short) 1, 0xFEED);
// Create the first enc file
final Path zone = new Path("/zone");
fs.mkdirs(zone);
dfsAdmin.createEncryptionZone(zone, TEST_KEY, NO_TRASH);
final Path encFile1 = new Path(zone, "myfile");
DFSTestUtil.createFile(fs, encFile1, len, (short) 1, 0xFEED);
// Read them back in and compare byte-by-byte
verifyFilesEqual(fs, baseFile, encFile1, len);
}
}

21
hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/TestKeyProviderCache.java
View File

@ -96,29 +96,42 @@ public void testCache() throws Exception {
Configuration conf = new Configuration();
conf.set(CommonConfigurationKeysPublic.HADOOP_SECURITY_KEY_PROVIDER_PATH,
"dummy://foo:bar@test_provider1");
KeyProvider keyProvider1 = kpCache.get(conf);
KeyProvider keyProvider1 = kpCache.get(conf,
getKeyProviderUriFromConf(conf));
Assert.assertNotNull("Returned Key Provider is null !!", keyProvider1);
conf.set(CommonConfigurationKeysPublic.HADOOP_SECURITY_KEY_PROVIDER_PATH,
"dummy://foo:bar@test_provider1");
KeyProvider keyProvider2 = kpCache.get(conf);
KeyProvider keyProvider2 = kpCache.get(conf,
getKeyProviderUriFromConf(conf));
Assert.assertTrue("Different KeyProviders returned !!",
keyProvider1 == keyProvider2);
conf.set(CommonConfigurationKeysPublic.HADOOP_SECURITY_KEY_PROVIDER_PATH,
"dummy://test_provider3");
KeyProvider keyProvider3 = kpCache.get(conf);
KeyProvider keyProvider3 = kpCache.get(conf,
getKeyProviderUriFromConf(conf));
Assert.assertFalse("Same KeyProviders returned !!",
keyProvider1 == keyProvider3);
conf.set(CommonConfigurationKeysPublic.HADOOP_SECURITY_KEY_PROVIDER_PATH,
"dummy://hello:there@test_provider1");
KeyProvider keyProvider4 = kpCache.get(conf);
KeyProvider keyProvider4 = kpCache.get(conf,
getKeyProviderUriFromConf(conf));
Assert.assertFalse("Same KeyProviders returned !!",
keyProvider1 == keyProvider4);
}
private URI getKeyProviderUriFromConf(Configuration conf) {
String providerUriStr = conf.get(
CommonConfigurationKeysPublic.HADOOP_SECURITY_KEY_PROVIDER_PATH);
if (providerUriStr == null || providerUriStr.isEmpty()) {
return null;
}
return URI.create(providerUriStr);
}
}

31
hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/protocolPB/TestPBHelper.java
View File

@ -35,9 +35,12 @@
import org.apache.hadoop.fs.permission.AclEntryType;
import org.apache.hadoop.fs.permission.AclStatus;
import org.apache.hadoop.fs.permission.FsAction;
import org.apache.hadoop.fs.FsServerDefaults;
import org.apache.hadoop.fs.StorageType;
import org.apache.hadoop.hdfs.DFSConfigKeys;
import org.apache.hadoop.hdfs.DFSTestUtil;
import org.apache.hadoop.hdfs.StripedFileTestUtil;
import org.apache.hadoop.hdfs.client.HdfsClientConfigKeys;
import org.apache.hadoop.hdfs.protocol.Block;
import org.apache.hadoop.hdfs.protocol.BlockType;
import org.apache.hadoop.hdfs.protocol.DatanodeID;
@ -868,5 +871,33 @@ private void assertDnInfosEqual(DatanodeInfo[] dnInfos1,
}
}
/**
* Test case for old namenode where the namenode doesn't support returning
* keyProviderUri.
*/
@Test
public void testFSServerDefaultsHelper() {
HdfsProtos.FsServerDefaultsProto.Builder b =
HdfsProtos.FsServerDefaultsProto
.newBuilder();
b.setBlockSize(DFSConfigKeys.DFS_BLOCK_SIZE_DEFAULT);
b.setBytesPerChecksum(DFSConfigKeys.DFS_BYTES_PER_CHECKSUM_DEFAULT);
b.setWritePacketSize(
HdfsClientConfigKeys.DFS_CLIENT_WRITE_PACKET_SIZE_DEFAULT);
b.setReplication(DFSConfigKeys.DFS_REPLICATION_DEFAULT);
b.setFileBufferSize(DFSConfigKeys.IO_FILE_BUFFER_SIZE_DEFAULT);
b.setEncryptDataTransfer(DFSConfigKeys.DFS_ENCRYPT_DATA_TRANSFER_DEFAULT);
b.setTrashInterval(DFSConfigKeys.FS_TRASH_INTERVAL_DEFAULT);
b.setChecksumType(HdfsProtos.ChecksumTypeProto.valueOf(
DataChecksum.Type.valueOf(DFSConfigKeys.DFS_CHECKSUM_TYPE_DEFAULT).id));
HdfsProtos.FsServerDefaultsProto proto = b.build();
Assert.assertFalse("KeyProvider uri is not supported",
proto.hasKeyProviderUri());
FsServerDefaults fsServerDefaults = PBHelperClient.convert(proto);
Assert.assertNotNull("FsServerDefaults is null", fsServerDefaults);
Assert.assertNull("KeyProviderUri should be null",
fsServerDefaults.getKeyProviderUri());
}
}