/** Test conversion of LocatedBlock to BlockLocation */
@Test
public void testLocatedBlocks2Locations() {
DatanodeInfo d = DFSTestUtil.getLocalDatanodeInfo();
DatanodeInfo[] ds = new DatanodeInfo[1];
ds[0] = d;
// ok
ExtendedBlock b1 = new ExtendedBlock("bpid", 1, 1, 1);
LocatedBlock l1 = new LocatedBlock(b1, ds, 0, false);
// corrupt
ExtendedBlock b2 = new ExtendedBlock("bpid", 2, 1, 1);
LocatedBlock l2 = new LocatedBlock(b2, ds, 0, true);
List<LocatedBlock> ls = Arrays.asList(l1, l2);
LocatedBlocks lbs = new LocatedBlocks(10, false, ls, l2, true, null);
BlockLocation[] bs = DFSUtil.locatedBlocks2Locations(lbs);
assertTrue("expected 2 blocks but got " + bs.length, bs.length == 2);
int corruptCount = 0;
for (BlockLocation b : bs) {
if (b.isCorrupt()) {
corruptCount++;
}
}
assertTrue("expected 1 corrupt files but got " + corruptCount, corruptCount == 1);
// test an empty location
bs = DFSUtil.locatedBlocks2Locations(new LocatedBlocks());
assertEquals(0, bs.length);
}
/**
* Test for {@link DFSUtil#getNNServiceRpcAddresses(Configuration)} {@link
* DFSUtil#getNameServiceIdFromAddress(Configuration, InetSocketAddress, String...)
* (Configuration)}
*/
@Test
public void testMultipleNamenodes() throws IOException {
HdfsConfiguration conf = new HdfsConfiguration();
conf.set(DFS_NAMESERVICES, "nn1,nn2");
// Test - configured list of namenodes are returned
final String NN1_ADDRESS = "localhost:9000";
final String NN2_ADDRESS = "localhost:9001";
final String NN3_ADDRESS = "localhost:9002";
conf.set(DFSUtil.addKeySuffixes(DFS_NAMENODE_RPC_ADDRESS_KEY, "nn1"), NN1_ADDRESS);
conf.set(DFSUtil.addKeySuffixes(DFS_NAMENODE_RPC_ADDRESS_KEY, "nn2"), NN2_ADDRESS);
Map<String, Map<String, InetSocketAddress>> nnMap = DFSUtil.getNNServiceRpcAddresses(conf);
assertEquals(2, nnMap.size());
Map<String, InetSocketAddress> nn1Map = nnMap.get("nn1");
assertEquals(1, nn1Map.size());
InetSocketAddress addr = nn1Map.get(null);
assertEquals("localhost", addr.getHostName());
assertEquals(9000, addr.getPort());
Map<String, InetSocketAddress> nn2Map = nnMap.get("nn2");
assertEquals(1, nn2Map.size());
addr = nn2Map.get(null);
assertEquals("localhost", addr.getHostName());
assertEquals(9001, addr.getPort());
// Test - can look up nameservice ID from service address
checkNameServiceId(conf, NN1_ADDRESS, "nn1");
checkNameServiceId(conf, NN2_ADDRESS, "nn2");
checkNameServiceId(conf, NN3_ADDRESS, null);
// HA is not enabled in a purely federated config
assertFalse(HAUtil.isHAEnabled(conf, "nn1"));
assertFalse(HAUtil.isHAEnabled(conf, "nn2"));
}
/**
* Test {@link DFSUtil#getNamenodeNameServiceId(Configuration)} to ensure exception is thrown when
* multiple rpc addresses match the local node's address
*/
@Test(expected = HadoopIllegalArgumentException.class)
public void testGetNameServiceIdException() {
HdfsConfiguration conf = new HdfsConfiguration();
conf.set(DFS_NAMESERVICES, "nn1,nn2");
conf.set(DFSUtil.addKeySuffixes(DFS_NAMENODE_RPC_ADDRESS_KEY, "nn1"), "localhost:9000");
conf.set(DFSUtil.addKeySuffixes(DFS_NAMENODE_RPC_ADDRESS_KEY, "nn2"), "localhost:9001");
DFSUtil.getNamenodeNameServiceId(conf);
fail("Expected exception is not thrown");
}
@Test
public void testGetOnlyNameServiceIdOrNull() {
HdfsConfiguration conf = new HdfsConfiguration();
conf.set(DFS_NAMESERVICES, "ns1,ns2");
assertNull(DFSUtil.getOnlyNameServiceIdOrNull(conf));
conf.set(DFS_NAMESERVICES, "");
assertNull(DFSUtil.getOnlyNameServiceIdOrNull(conf));
conf.set(DFS_NAMESERVICES, "ns1");
assertEquals("ns1", DFSUtil.getOnlyNameServiceIdOrNull(conf));
}
@Test
public void testGetPassword() throws Exception {
File testDir = new File(System.getProperty("test.build.data", "target/test-dir"));
Configuration conf = new Configuration();
final String ourUrl = JavaKeyStoreProvider.SCHEME_NAME + "://file/" + testDir + "/test.jks";
File file = new File(testDir, "test.jks");
file.delete();
conf.set(CredentialProviderFactory.CREDENTIAL_PROVIDER_PATH, ourUrl);
CredentialProvider provider = CredentialProviderFactory.getProviders(conf).get(0);
char[] keypass = {'k', 'e', 'y', 'p', 'a', 's', 's'};
char[] storepass = {'s', 't', 'o', 'r', 'e', 'p', 'a', 's', 's'};
char[] trustpass = {'t', 'r', 'u', 's', 't', 'p', 'a', 's', 's'};
// ensure that we get nulls when the key isn't there
assertEquals(null, provider.getCredentialEntry(DFS_SERVER_HTTPS_KEYPASSWORD_KEY));
assertEquals(null, provider.getCredentialEntry(DFS_SERVER_HTTPS_KEYSTORE_PASSWORD_KEY));
assertEquals(null, provider.getCredentialEntry(DFS_SERVER_HTTPS_TRUSTSTORE_PASSWORD_KEY));
// create new aliases
try {
provider.createCredentialEntry(DFS_SERVER_HTTPS_KEYPASSWORD_KEY, keypass);
provider.createCredentialEntry(DFS_SERVER_HTTPS_KEYSTORE_PASSWORD_KEY, storepass);
provider.createCredentialEntry(DFS_SERVER_HTTPS_TRUSTSTORE_PASSWORD_KEY, trustpass);
// write out so that it can be found in checks
provider.flush();
} catch (Exception e) {
e.printStackTrace();
throw e;
}
// make sure we get back the right key directly from api
assertArrayEquals(
keypass, provider.getCredentialEntry(DFS_SERVER_HTTPS_KEYPASSWORD_KEY).getCredential());
assertArrayEquals(
storepass,
provider.getCredentialEntry(DFS_SERVER_HTTPS_KEYSTORE_PASSWORD_KEY).getCredential());
assertArrayEquals(
trustpass,
provider.getCredentialEntry(DFS_SERVER_HTTPS_TRUSTSTORE_PASSWORD_KEY).getCredential());
// use WebAppUtils as would be used by loadSslConfiguration
Assert.assertEquals("keypass", DFSUtil.getPassword(conf, DFS_SERVER_HTTPS_KEYPASSWORD_KEY));
Assert.assertEquals(
"storepass", DFSUtil.getPassword(conf, DFS_SERVER_HTTPS_KEYSTORE_PASSWORD_KEY));
Assert.assertEquals(
"trustpass", DFSUtil.getPassword(conf, DFS_SERVER_HTTPS_TRUSTSTORE_PASSWORD_KEY));
// let's make sure that a password that doesn't exist returns null
Assert.assertEquals(null, DFSUtil.getPassword(conf, "invalid-alias"));
}
private static void checkAllResults(Long[] toCheck, boolean shouldSucceed) {
if (shouldSucceed) {
DFSUtil.assertAllResultsEqual(Arrays.asList(toCheck));
} else {
try {
DFSUtil.assertAllResultsEqual(Arrays.asList(toCheck));
fail("Should not have succeeded with input: " + Arrays.toString(toCheck));
} catch (AssertionError ae) {
GenericTestUtils.assertExceptionContains("Not all elements match", ae);
}
}
}
private static Configuration createWebHDFSHAConfiguration(
String logicalHostName, String nnaddr1, String nnaddr2) {
HdfsConfiguration conf = new HdfsConfiguration();
conf.set(DFS_NAMESERVICES, "ns1");
conf.set(DFSUtil.addKeySuffixes(DFS_HA_NAMENODES_KEY_PREFIX, "ns1"), "nn1,nn2");
conf.set(DFSUtil.addKeySuffixes(DFS_NAMENODE_HTTP_ADDRESS_KEY, "ns1", "nn1"), nnaddr1);
conf.set(DFSUtil.addKeySuffixes(DFS_NAMENODE_HTTP_ADDRESS_KEY, "ns1", "nn2"), nnaddr2);
conf.set(
DFS_CLIENT_FAILOVER_PROXY_PROVIDER_KEY_PREFIX + "." + logicalHostName,
ConfiguredFailoverProxyProvider.class.getName());
return conf;
}
public void checkNameServiceId(Configuration conf, String addr, String expectedNameServiceId) {
InetSocketAddress s = NetUtils.createSocketAddr(addr);
String nameserviceId =
DFSUtil.getNameServiceIdFromAddress(
conf, s, DFS_NAMENODE_SERVICE_RPC_ADDRESS_KEY, DFS_NAMENODE_RPC_ADDRESS_KEY);
assertEquals(expectedNameServiceId, nameserviceId);
}
public static void setFederatedConfiguration(MiniDFSCluster cluster, Configuration conf) {
Set<String> nameservices = new HashSet<String>();
for (NameNodeInfo info : cluster.getNameNodeInfos()) {
assert info.nameserviceId != null;
nameservices.add(info.nameserviceId);
conf.set(
DFSUtil.addKeySuffixes(DFS_NAMENODE_RPC_ADDRESS_KEY, info.nameserviceId),
DFSUtil.createUri(HdfsConstants.HDFS_URI_SCHEME, info.nameNode.getNameNodeAddress())
.toString());
conf.set(
DFSUtil.addKeySuffixes(DFS_NAMENODE_SERVICE_RPC_ADDRESS_KEY, info.nameserviceId),
DFSUtil.createUri(HdfsConstants.HDFS_URI_SCHEME, info.nameNode.getNameNodeAddress())
.toString());
}
conf.set(DFSConfigKeys.DFS_FEDERATION_NAMESERVICES, Joiner.on(",").join(nameservices));
}
@Test(timeout = 1000)
public void testDurationToString() throws Exception {
assertEquals("000:00:00:00.000", DFSUtil.durationToString(0));
assertEquals(
"001:01:01:01.000",
DFSUtil.durationToString(((24 * 60 * 60) + (60 * 60) + (60) + 1) * 1000));
assertEquals(
"000:23:59:59.999",
DFSUtil.durationToString(((23 * 60 * 60) + (59 * 60) + (59)) * 1000 + 999));
assertEquals(
"-001:01:01:01.000",
DFSUtil.durationToString(-((24 * 60 * 60) + (60 * 60) + (60) + 1) * 1000));
assertEquals(
"-000:23:59:59.574",
DFSUtil.durationToString(-(((23 * 60 * 60) + (59 * 60) + (59)) * 1000 + 574)));
}
@Test
public void testGetInfoServer() throws IOException {
HdfsConfiguration conf = new HdfsConfiguration();
conf.set(HADOOP_SECURITY_AUTHENTICATION, "kerberos");
UserGroupInformation.setConfiguration(conf);
String httpsport = DFSUtil.getInfoServer(null, conf, true);
assertEquals("0.0.0.0:" + DFS_NAMENODE_HTTPS_PORT_DEFAULT, httpsport);
String httpport = DFSUtil.getInfoServer(null, conf, false);
assertEquals("0.0.0.0:" + DFS_NAMENODE_HTTP_PORT_DEFAULT, httpport);
String httpAddress =
DFSUtil.getInfoServer(new InetSocketAddress("localhost", 8020), conf, false);
assertEquals("localhost:" + DFS_NAMENODE_HTTP_PORT_DEFAULT, httpAddress);
}
/**
* Test to ensure nameservice specific keys in the configuration are copied to generic keys when
* the namenode starts.
*/
@Test
public void testConfModificationFederationAndHa() {
final HdfsConfiguration conf = new HdfsConfiguration();
String nsId = "ns1";
String nnId = "nn1";
conf.set(DFS_NAMESERVICES, nsId);
conf.set(DFS_NAMESERVICE_ID, nsId);
conf.set(DFS_HA_NAMENODES_KEY_PREFIX + "." + nsId, nnId);
// Set the nameservice specific keys with nameserviceId in the config key
for (String key : NameNode.NAMENODE_SPECIFIC_KEYS) {
// Note: value is same as the key
conf.set(DFSUtil.addKeySuffixes(key, nsId, nnId), key);
}
// Initialize generic keys from specific keys
NameNode.initializeGenericKeys(conf, nsId, nnId);
// Retrieve the keys without nameserviceId and Ensure generic keys are set
// to the correct value
for (String key : NameNode.NAMENODE_SPECIFIC_KEYS) {
assertEquals(key, conf.get(key));
}
}
@Test
public void testGetInfoServer() throws IOException, URISyntaxException {
HdfsConfiguration conf = new HdfsConfiguration();
URI httpsport = DFSUtil.getInfoServer(null, conf, "https");
assertEquals(
new URI("https", null, "0.0.0.0", DFS_NAMENODE_HTTPS_PORT_DEFAULT, null, null, null),
httpsport);
URI httpport = DFSUtil.getInfoServer(null, conf, "http");
assertEquals(
new URI("http", null, "0.0.0.0", DFS_NAMENODE_HTTP_PORT_DEFAULT, null, null, null),
httpport);
URI httpAddress = DFSUtil.getInfoServer(new InetSocketAddress("localhost", 8020), conf, "http");
assertEquals(URI.create("http://localhost:" + DFS_NAMENODE_HTTP_PORT_DEFAULT), httpAddress);
}
private DNAddrPair chooseDataNode(LocatedBlock block) throws IOException {
while (true) {
DatanodeInfo[] nodes = block.getLocations();
try {
DatanodeInfo chosenNode = bestNode(nodes, deadNodes);
InetSocketAddress targetAddr = NetUtils.createSocketAddr(chosenNode.getXferAddr());
return new DNAddrPair(chosenNode, targetAddr);
} catch (IOException ie) {
String blockInfo = block.getBlock() + " file=" + src;
if (failures >= dfsClient.getMaxBlockAcquireFailures()) {
throw new BlockMissingException(
src, "Could not obtain block: " + blockInfo, block.getStartOffset());
}
if (nodes == null || nodes.length == 0) {
DFSClient.LOG.info("No node available for block: " + blockInfo);
}
DFSClient.LOG.info(
"Could not obtain block "
+ block.getBlock()
+ " from any node: "
+ ie
+ ". Will get new block locations from namenode and retry...");
try {
// Introducing a random factor to the wait time before another retry.
// The wait time is dependent on # of failures and a random factor.
// At the first time of getting a BlockMissingException, the wait time
// is a random number between 0..3000 ms. If the first retry
// still fails, we will wait 3000 ms grace period before the 2nd retry.
// Also at the second retry, the waiting window is expanded to 6000 ms
// alleviating the request rate from the server. Similarly the 3rd retry
// will wait 6000ms grace period before retry and the waiting window is
// expanded to 9000ms.
double waitTime =
timeWindow * failures
+ // grace period for the last round of attempt
timeWindow
* (failures + 1)
* DFSUtil.getRandom().nextDouble(); // expanding time window for each failure
DFSClient.LOG.warn(
"DFS chooseDataNode: got # "
+ (failures + 1)
+ " IOException, will wait for "
+ waitTime
+ " msec.");
Thread.sleep((long) waitTime);
} catch (InterruptedException iex) {
}
deadNodes.clear(); // 2nd option is to remove only nodes[blockId]
openInfo();
block = getBlockAt(block.getStartOffset(), false);
failures++;
continue;
}
}
}
/** Test {@link DFSUtil#getNameServiceIds(Configuration)} */
@Test
public void testGetNameServiceIds() {
HdfsConfiguration conf = new HdfsConfiguration();
conf.set(DFS_NAMESERVICES, "nn1,nn2");
Collection<String> nameserviceIds = DFSUtil.getNameServiceIds(conf);
Iterator<String> it = nameserviceIds.iterator();
assertEquals(2, nameserviceIds.size());
assertEquals("nn1", it.next().toString());
assertEquals("nn2", it.next().toString());
}
@Test(timeout = 5000)
public void testGetSpnegoKeytabKey() {
HdfsConfiguration conf = new HdfsConfiguration();
String defaultKey = "default.spengo.key";
conf.unset(DFSConfigKeys.DFS_WEB_AUTHENTICATION_KERBEROS_KEYTAB_KEY);
assertEquals(
"Test spnego key in config is null",
defaultKey,
DFSUtil.getSpnegoKeytabKey(conf, defaultKey));
conf.set(DFSConfigKeys.DFS_WEB_AUTHENTICATION_KERBEROS_KEYTAB_KEY, "");
assertEquals(
"Test spnego key is empty", defaultKey, DFSUtil.getSpnegoKeytabKey(conf, defaultKey));
String spengoKey = "spengo.key";
conf.set(DFSConfigKeys.DFS_WEB_AUTHENTICATION_KERBEROS_KEYTAB_KEY, spengoKey);
assertEquals(
"Test spnego key is NOT null",
DFSConfigKeys.DFS_WEB_AUTHENTICATION_KERBEROS_KEYTAB_KEY,
DFSUtil.getSpnegoKeytabKey(conf, defaultKey));
}
@Test(timeout = 15000)
public void testIsValidName() {
assertFalse(DFSUtil.isValidName("/foo/../bar"));
assertFalse(DFSUtil.isValidName("/foo/./bar"));
assertFalse(DFSUtil.isValidName("/foo//bar"));
assertTrue(DFSUtil.isValidName("/"));
assertTrue(DFSUtil.isValidName("/bar/"));
assertFalse(DFSUtil.isValidName("/foo/:/bar"));
assertFalse(DFSUtil.isValidName("/foo:bar"));
}
/** Read the block length from one of the datanodes. */
private long readBlockLength(LocatedBlock locatedblock) throws IOException {
assert locatedblock != null : "LocatedBlock cannot be null";
int replicaNotFoundCount = locatedblock.getLocations().length;
for (DatanodeInfo datanode : locatedblock.getLocations()) {
ClientDatanodeProtocol cdp = null;
try {
cdp =
DFSUtil.createClientDatanodeProtocolProxy(
datanode, dfsClient.conf, dfsClient.getConf().socketTimeout, locatedblock);
final long n = cdp.getReplicaVisibleLength(locatedblock.getBlock());
if (n >= 0) {
return n;
}
} catch (IOException ioe) {
if (ioe instanceof RemoteException
&& (((RemoteException) ioe).unwrapRemoteException()
instanceof ReplicaNotFoundException)) {
// special case : replica might not be on the DN, treat as 0 length
replicaNotFoundCount--;
}
if (DFSClient.LOG.isDebugEnabled()) {
DFSClient.LOG.debug(
"Failed to getReplicaVisibleLength from datanode "
+ datanode
+ " for block "
+ locatedblock.getBlock(),
ioe);
}
} finally {
if (cdp != null) {
RPC.stopProxy(cdp);
}
}
}
// Namenode told us about these locations, but none know about the replica
// means that we hit the race between pipeline creation start and end.
// we require all 3 because some other exception could have happened
// on a DN that has it. we want to report that error
if (replicaNotFoundCount == 0) {
return 0;
}
throw new IOException("Cannot obtain block length for " + locatedblock);
}
public void initGeneralConf(Configuration conf, String nameserviceId) {
// overwrite relevant settings
this.nameserviceId = nameserviceId;
// avatar nodes
conf.set("fs.default.name", "hdfs://localhost:" + nnPort);
conf.set("fs.default.name0", "hdfs://localhost:" + nn0Port);
conf.set("fs.default.name1", "hdfs://localhost:" + nn1Port);
if (federation) {
conf.set("dfs.namenode.rpc-address0", "localhost:" + rpc0Port);
conf.set("dfs.namenode.rpc-address1", "localhost:" + rpc1Port);
}
conf.set("dfs.namenode.dn-address", "localhost:" + nnDnPort);
conf.set("dfs.namenode.dn-address0", "localhost:" + nnDn0Port);
conf.set("dfs.namenode.dn-address1", "localhost:" + nnDn1Port);
conf.set("dfs.http.address", "localhost:" + httpPort);
conf.set("dfs.http.address0", "localhost:" + http0Port);
conf.set("dfs.http.address1", "localhost:" + http1Port);
conf.set("dfs.name.dir.shared0", fsimage0Dir);
conf.set("dfs.name.dir.shared1", fsimage1Dir);
conf.set("dfs.name.edits.dir.shared0", fsedits0Dir);
conf.set("dfs.name.edits.dir.shared1", fsedits1Dir);
if (federation) {
for (String key : AvatarNode.AVATARSERVICE_SPECIFIC_KEYS) {
String value = conf.get(key);
if (value != null) {
String newKey = DFSUtil.getNameServiceIdKey(key, nameserviceId);
conf.set(newKey, value);
}
}
String rpcKey =
DFSUtil.getNameServiceIdKey(AvatarNode.DFS_NAMENODE_RPC_ADDRESS_KEY, nameserviceId);
conf.set(rpcKey, "localhost:" + rpcPort);
String dnKey =
DFSUtil.getNameServiceIdKey(NameNode.DATANODE_PROTOCOL_ADDRESS, nameserviceId);
conf.set(dnKey, "localhost:" + nnDnPort);
}
}
@Test
public void testGetHaNnHttpAddresses() throws IOException {
final String LOGICAL_HOST_NAME = "ns1";
final String NS1_NN1_ADDR = "ns1-nn1.example.com:8020";
final String NS1_NN2_ADDR = "ns1-nn2.example.com:8020";
Configuration conf =
createWebHDFSHAConfiguration(LOGICAL_HOST_NAME, NS1_NN1_ADDR, NS1_NN2_ADDR);
Map<String, Map<String, InetSocketAddress>> map =
DFSUtil.getHaNnWebHdfsAddresses(conf, "webhdfs");
assertEquals(NS1_NN1_ADDR, map.get("ns1").get("nn1").toString());
assertEquals(NS1_NN2_ADDR, map.get("ns1").get("nn2").toString());
}
/** Tests to ensure default namenode is used as fallback */
@Test
public void testDefaultNamenode() throws IOException {
HdfsConfiguration conf = new HdfsConfiguration();
final String hdfs_default = "hdfs://localhost:9999/";
conf.set(FS_DEFAULT_NAME_KEY, hdfs_default);
// If DFS_FEDERATION_NAMESERVICES is not set, verify that
// default namenode address is returned.
Map<String, Map<String, InetSocketAddress>> addrMap = DFSUtil.getNNServiceRpcAddresses(conf);
assertEquals(1, addrMap.size());
Map<String, InetSocketAddress> defaultNsMap = addrMap.get(null);
assertEquals(1, defaultNsMap.size());
assertEquals(9999, defaultNsMap.get(null).getPort());
}
@Test(timeout = 15000)
public void testLocalhostReverseLookup() {
// 127.0.0.1 -> localhost reverse resolution does not happen on Windows.
Assume.assumeTrue(!Shell.WINDOWS);
// Make sure when config FS_DEFAULT_NAME_KEY using IP address,
// it will automatically convert it to hostname
HdfsConfiguration conf = new HdfsConfiguration();
conf.set(CommonConfigurationKeys.FS_DEFAULT_NAME_KEY, "hdfs://127.0.0.1:8020");
Collection<URI> uris = DFSUtil.getNameServiceUris(conf);
assertEquals(1, uris.size());
for (URI uri : uris) {
assertThat(uri.getHost(), not("127.0.0.1"));
}
}
@Test(timeout = 5000)
public void testRelativeTimeConversion() throws Exception {
try {
DFSUtil.parseRelativeTime("1");
} catch (IOException e) {
assertExceptionContains("too short", e);
}
try {
DFSUtil.parseRelativeTime("1z");
} catch (IOException e) {
assertExceptionContains("unknown time unit", e);
}
try {
DFSUtil.parseRelativeTime("yyz");
} catch (IOException e) {
assertExceptionContains("is not a number", e);
}
assertEquals(61 * 1000, DFSUtil.parseRelativeTime("61s"));
assertEquals(61 * 60 * 1000, DFSUtil.parseRelativeTime("61m"));
assertEquals(0, DFSUtil.parseRelativeTime("0s"));
assertEquals(25 * 60 * 60 * 1000, DFSUtil.parseRelativeTime("25h"));
assertEquals(4 * 24 * 60 * 60 * 1000l, DFSUtil.parseRelativeTime("4d"));
assertEquals(999 * 24 * 60 * 60 * 1000l, DFSUtil.parseRelativeTime("999d"));
}
/**
* Tests for empty configuration, an exception is thrown from {@link
* DFSUtil#getNNServiceRpcAddresses(Configuration)} {@link
* DFSUtil#getBackupNodeAddresses(Configuration)} {@link
* DFSUtil#getSecondaryNameNodeAddresses(Configuration)}
*/
@Test
public void testEmptyConf() {
HdfsConfiguration conf = new HdfsConfiguration(false);
try {
Map<String, Map<String, InetSocketAddress>> map = DFSUtil.getNNServiceRpcAddresses(conf);
fail("Expected IOException is not thrown, result was: " + DFSUtil.addressMapToString(map));
} catch (IOException expected) {
/** Expected */
}
try {
Map<String, Map<String, InetSocketAddress>> map = DFSUtil.getBackupNodeAddresses(conf);
fail("Expected IOException is not thrown, result was: " + DFSUtil.addressMapToString(map));
} catch (IOException expected) {
/** Expected */
}
try {
Map<String, Map<String, InetSocketAddress>> map = DFSUtil.getSecondaryNameNodeAddresses(conf);
fail("Expected IOException is not thrown, result was: " + DFSUtil.addressMapToString(map));
} catch (IOException expected) {
/** Expected */
}
}
@Test
public void testGetNNUris() throws Exception {
HdfsConfiguration conf = new HdfsConfiguration();
final String NS1_NN1_ADDR = "ns1-nn1.example.com:8020";
final String NS1_NN2_ADDR = "ns1-nn2.example.com:8020";
final String NS2_NN_ADDR = "ns2-nn.example.com:8020";
final String NN1_ADDR = "nn.example.com:8020";
final String NN1_SRVC_ADDR = "nn.example.com:8021";
final String NN2_ADDR = "nn2.example.com:8020";
conf.set(DFS_NAMESERVICES, "ns1,ns2");
conf.set(DFSUtil.addKeySuffixes(DFS_HA_NAMENODES_KEY_PREFIX, "ns1"), "nn1,nn2");
conf.set(DFSUtil.addKeySuffixes(DFS_NAMENODE_RPC_ADDRESS_KEY, "ns1", "nn1"), NS1_NN1_ADDR);
conf.set(DFSUtil.addKeySuffixes(DFS_NAMENODE_RPC_ADDRESS_KEY, "ns1", "nn2"), NS1_NN2_ADDR);
conf.set(DFSUtil.addKeySuffixes(DFS_NAMENODE_SERVICE_RPC_ADDRESS_KEY, "ns2"), NS2_NN_ADDR);
conf.set(DFS_NAMENODE_RPC_ADDRESS_KEY, "hdfs://" + NN1_ADDR);
conf.set(CommonConfigurationKeys.FS_DEFAULT_NAME_KEY, "hdfs://" + NN2_ADDR);
Collection<URI> uris =
DFSUtil.getNameServiceUris(
conf, DFS_NAMENODE_SERVICE_RPC_ADDRESS_KEY, DFS_NAMENODE_RPC_ADDRESS_KEY);
assertEquals(4, uris.size());
assertTrue(uris.contains(new URI("hdfs://ns1")));
assertTrue(uris.contains(new URI("hdfs://" + NS2_NN_ADDR)));
assertTrue(uris.contains(new URI("hdfs://" + NN1_ADDR)));
assertTrue(uris.contains(new URI("hdfs://" + NN2_ADDR)));
// Make sure that non-HDFS URIs in fs.defaultFS don't get included.
conf.set(CommonConfigurationKeys.FS_DEFAULT_NAME_KEY, "viewfs://vfs-name.example.com");
uris =
DFSUtil.getNameServiceUris(
conf, DFS_NAMENODE_SERVICE_RPC_ADDRESS_KEY, DFS_NAMENODE_RPC_ADDRESS_KEY);
assertEquals(3, uris.size());
assertTrue(uris.contains(new URI("hdfs://ns1")));
assertTrue(uris.contains(new URI("hdfs://" + NS2_NN_ADDR)));
assertTrue(uris.contains(new URI("hdfs://" + NN1_ADDR)));
// Make sure that an HA URI being the default URI doesn't result in multiple
// entries being returned.
conf.set(CommonConfigurationKeys.FS_DEFAULT_NAME_KEY, "hdfs://ns1");
uris =
DFSUtil.getNameServiceUris(
conf, DFS_NAMENODE_SERVICE_RPC_ADDRESS_KEY, DFS_NAMENODE_RPC_ADDRESS_KEY);
assertEquals(3, uris.size());
assertTrue(uris.contains(new URI("hdfs://ns1")));
assertTrue(uris.contains(new URI("hdfs://" + NS2_NN_ADDR)));
assertTrue(uris.contains(new URI("hdfs://" + NN1_ADDR)));
// Make sure that when a service RPC address is used that is distinct from
// the client RPC address, and that client RPC address is also used as the
// default URI, that the client URI does not end up in the set of URIs
// returned.
conf = new HdfsConfiguration();
conf.set(CommonConfigurationKeys.FS_DEFAULT_NAME_KEY, "hdfs://" + NN1_ADDR);
conf.set(DFS_NAMENODE_RPC_ADDRESS_KEY, NN1_ADDR);
conf.set(DFS_NAMENODE_SERVICE_RPC_ADDRESS_KEY, NN1_SRVC_ADDR);
uris =
DFSUtil.getNameServiceUris(
conf, DFS_NAMENODE_SERVICE_RPC_ADDRESS_KEY, DFS_NAMENODE_RPC_ADDRESS_KEY);
assertEquals(1, uris.size());
assertTrue(uris.contains(new URI("hdfs://" + NN1_SRVC_ADDR)));
}
@Test
public void testHANameNodesWithFederation() throws URISyntaxException {
HdfsConfiguration conf = new HdfsConfiguration();
final String NS1_NN1_HOST = "ns1-nn1.example.com:8020";
final String NS1_NN2_HOST = "ns1-nn2.example.com:8020";
final String NS2_NN1_HOST = "ns2-nn1.example.com:8020";
final String NS2_NN2_HOST = "ns2-nn2.example.com:8020";
conf.set(CommonConfigurationKeys.FS_DEFAULT_NAME_KEY, "hdfs://ns1");
// Two nameservices, each with two NNs.
conf.set(DFS_NAMESERVICES, "ns1,ns2");
conf.set(DFSUtil.addKeySuffixes(DFS_HA_NAMENODES_KEY_PREFIX, "ns1"), "ns1-nn1,ns1-nn2");
conf.set(DFSUtil.addKeySuffixes(DFS_HA_NAMENODES_KEY_PREFIX, "ns2"), "ns2-nn1,ns2-nn2");
conf.set(DFSUtil.addKeySuffixes(DFS_NAMENODE_RPC_ADDRESS_KEY, "ns1", "ns1-nn1"), NS1_NN1_HOST);
conf.set(DFSUtil.addKeySuffixes(DFS_NAMENODE_RPC_ADDRESS_KEY, "ns1", "ns1-nn2"), NS1_NN2_HOST);
conf.set(DFSUtil.addKeySuffixes(DFS_NAMENODE_RPC_ADDRESS_KEY, "ns2", "ns2-nn1"), NS2_NN1_HOST);
conf.set(DFSUtil.addKeySuffixes(DFS_NAMENODE_RPC_ADDRESS_KEY, "ns2", "ns2-nn2"), NS2_NN2_HOST);
Map<String, Map<String, InetSocketAddress>> map = DFSUtil.getHaNnRpcAddresses(conf);
assertTrue(HAUtil.isHAEnabled(conf, "ns1"));
assertTrue(HAUtil.isHAEnabled(conf, "ns2"));
assertFalse(HAUtil.isHAEnabled(conf, "ns3"));
assertEquals(NS1_NN1_HOST, map.get("ns1").get("ns1-nn1").toString());
assertEquals(NS1_NN2_HOST, map.get("ns1").get("ns1-nn2").toString());
assertEquals(NS2_NN1_HOST, map.get("ns2").get("ns2-nn1").toString());
assertEquals(NS2_NN2_HOST, map.get("ns2").get("ns2-nn2").toString());
assertEquals(NS1_NN1_HOST, DFSUtil.getNamenodeServiceAddr(conf, "ns1", "ns1-nn1"));
assertEquals(NS1_NN2_HOST, DFSUtil.getNamenodeServiceAddr(conf, "ns1", "ns1-nn2"));
assertEquals(NS2_NN1_HOST, DFSUtil.getNamenodeServiceAddr(conf, "ns2", "ns2-nn1"));
// No nameservice was given and we can't determine which service addr
// to use as two nameservices could share a namenode ID.
assertEquals(null, DFSUtil.getNamenodeServiceAddr(conf, null, "ns1-nn1"));
// Ditto for nameservice IDs, if multiple are defined
assertEquals(null, DFSUtil.getNamenodeNameServiceId(conf));
assertEquals(null, DFSUtil.getSecondaryNameServiceId(conf));
Collection<URI> uris = DFSUtil.getNameServiceUris(conf, DFS_NAMENODE_RPC_ADDRESS_KEY);
assertEquals(2, uris.size());
assertTrue(uris.contains(new URI("hdfs://ns1")));
assertTrue(uris.contains(new URI("hdfs://ns2")));
}
@Test
public void getNameNodeServiceAddr() throws IOException {
HdfsConfiguration conf = new HdfsConfiguration();
// One nameservice with two NNs
final String NS1_NN1_HOST = "ns1-nn1.example.com:8020";
final String NS1_NN1_HOST_SVC = "ns1-nn2.example.com:8021";
final String NS1_NN2_HOST = "ns1-nn1.example.com:8020";
final String NS1_NN2_HOST_SVC = "ns1-nn2.example.com:8021";
conf.set(DFS_NAMESERVICES, "ns1");
conf.set(DFSUtil.addKeySuffixes(DFS_HA_NAMENODES_KEY_PREFIX, "ns1"), "nn1,nn2");
conf.set(DFSUtil.addKeySuffixes(DFS_NAMENODE_RPC_ADDRESS_KEY, "ns1", "nn1"), NS1_NN1_HOST);
conf.set(DFSUtil.addKeySuffixes(DFS_NAMENODE_RPC_ADDRESS_KEY, "ns1", "nn2"), NS1_NN2_HOST);
// The rpc address is used if no service address is defined
assertEquals(NS1_NN1_HOST, DFSUtil.getNamenodeServiceAddr(conf, null, "nn1"));
assertEquals(NS1_NN2_HOST, DFSUtil.getNamenodeServiceAddr(conf, null, "nn2"));
// A nameservice is specified explicitly
assertEquals(NS1_NN1_HOST, DFSUtil.getNamenodeServiceAddr(conf, "ns1", "nn1"));
assertEquals(null, DFSUtil.getNamenodeServiceAddr(conf, "invalid", "nn1"));
// The service addrs are used when they are defined
conf.set(
DFSUtil.addKeySuffixes(DFS_NAMENODE_SERVICE_RPC_ADDRESS_KEY, "ns1", "nn1"),
NS1_NN1_HOST_SVC);
conf.set(
DFSUtil.addKeySuffixes(DFS_NAMENODE_SERVICE_RPC_ADDRESS_KEY, "ns1", "nn2"),
NS1_NN2_HOST_SVC);
assertEquals(NS1_NN1_HOST_SVC, DFSUtil.getNamenodeServiceAddr(conf, null, "nn1"));
assertEquals(NS1_NN2_HOST_SVC, DFSUtil.getNamenodeServiceAddr(conf, null, "nn2"));
// We can determine the nameservice ID, there's only one listed
assertEquals("ns1", DFSUtil.getNamenodeNameServiceId(conf));
assertEquals("ns1", DFSUtil.getSecondaryNameServiceId(conf));
}
/**
* Test {@link DFSUtil#getBackupNameServiceId(Configuration)} to ensure nameserviceId for backup
* node is determined based on matching the address with local node's address
*/
@Test
public void getBackupNameServiceId() {
Configuration conf = setupAddress(DFS_NAMENODE_BACKUP_ADDRESS_KEY);
assertEquals("nn1", DFSUtil.getBackupNameServiceId(conf));
}
/**
* Test {@link DFSUtil#getSecondaryNameServiceId(Configuration)} to ensure nameserviceId for
* backup node is determined based on matching the address with local node's address
*/
@Test
public void getSecondaryNameServiceId() {
Configuration conf = setupAddress(DFS_NAMENODE_SECONDARY_HTTP_ADDRESS_KEY);
assertEquals("nn1", DFSUtil.getSecondaryNameServiceId(conf));
}
@Test
public void testSubstituteForWildcardAddress() throws IOException {
assertEquals("foo:12345", DFSUtil.substituteForWildcardAddress("0.0.0.0:12345", "foo"));
assertEquals("127.0.0.1:12345", DFSUtil.substituteForWildcardAddress("127.0.0.1:12345", "foo"));
}