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HADOOP-15889. Add hadoop.token configuration parameter to load tokens. Contributed by Íñigo Goiri

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This commit is contained in:
Ajay Kumar 2019-02-28 10:34:13 -08:00
parent 05e4ddeee6
commit 0d61facd37
3 changed files with 148 additions and 38 deletions
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2
hadoop-common-project/hadoop-common/src/main/java/org/apache/hadoop/fs/CommonConfigurationKeysPublic.java
View File

@ -630,6 +630,8 @@ public class CommonConfigurationKeysPublic {
*/
public static final String HADOOP_TOKEN_FILES =
"hadoop.token.files";
public static final String HADOOP_TOKENS =
"hadoop.tokens";
public static final String HADOOP_HTTP_AUTHENTICATION_TYPE =
"hadoop.http.authentication.type";

79
hadoop-common-project/hadoop-common/src/main/java/org/apache/hadoop/security/UserGroupInformation.java
View File

@ -23,13 +23,14 @@
import static org.apache.hadoop.fs.CommonConfigurationKeysPublic.HADOOP_KERBEROS_KEYTAB_LOGIN_AUTORENEWAL_ENABLED;
import static org.apache.hadoop.fs.CommonConfigurationKeysPublic.HADOOP_KERBEROS_KEYTAB_LOGIN_AUTORENEWAL_ENABLED_DEFAULT;
import static org.apache.hadoop.fs.CommonConfigurationKeysPublic.HADOOP_TOKEN_FILES;
import static org.apache.hadoop.fs.CommonConfigurationKeysPublic.HADOOP_TOKENS;
import static org.apache.hadoop.security.UGIExceptionMessages.*;
import static org.apache.hadoop.util.PlatformName.IBM_JAVA;
import static org.apache.hadoop.util.StringUtils.getTrimmedStringCollection;
import com.google.common.annotations.VisibleForTesting;
import java.io.File;
import java.io.FileNotFoundException;
import java.io.IOException;
import java.lang.reflect.UndeclaredThrowableException;
import java.security.AccessControlContext;
@ -42,10 +43,10 @@
import java.util.Arrays;
import java.util.Collection;
import java.util.Collections;
import java.util.Date;
import java.util.EnumMap;
import java.util.HashMap;
import java.util.Iterator;
import java.util.LinkedHashSet;
import java.util.List;
import java.util.Map;
import java.util.Optional;
@ -88,7 +89,6 @@
import org.apache.hadoop.security.token.Token;
import org.apache.hadoop.security.token.TokenIdentifier;
import org.apache.hadoop.util.Shell;
import org.apache.hadoop.util.StringUtils;
import org.apache.hadoop.util.Time;
import org.slf4j.Logger;
@ -299,6 +299,8 @@ public static void reattachMetrics() {
/**Environment variable pointing to the token cache file*/
public static final String HADOOP_TOKEN_FILE_LOCATION =
"HADOOP_TOKEN_FILE_LOCATION";
/** Environment variable pointing to the base64 tokens. */
public static final String HADOOP_TOKEN = "HADOOP_TOKEN";
public static boolean isInitialized() {
return conf != null;
@ -752,45 +754,58 @@ UserGroupInformation createLoginUser(Subject subject) throws IOException {
}
loginUser = proxyUser == null ? realUser : createProxyUser(proxyUser, realUser);
String tokenFileLocation = System.getProperty(HADOOP_TOKEN_FILES);
if (tokenFileLocation == null) {
tokenFileLocation = conf.get(HADOOP_TOKEN_FILES);
}
if (tokenFileLocation != null) {
for (String tokenFileName:
StringUtils.getTrimmedStrings(tokenFileLocation)) {
if (tokenFileName.length() > 0) {
File tokenFile = new File(tokenFileName);
// Load tokens from files
final Collection<String> tokenFileLocations = new LinkedHashSet<>();
tokenFileLocations.addAll(getTrimmedStringCollection(
System.getProperty(HADOOP_TOKEN_FILES)));
tokenFileLocations.addAll(getTrimmedStringCollection(
conf.get(HADOOP_TOKEN_FILES)));
tokenFileLocations.addAll(getTrimmedStringCollection(
System.getenv(HADOOP_TOKEN_FILE_LOCATION)));
for (String tokenFileLocation : tokenFileLocations) {
if (tokenFileLocation != null && tokenFileLocation.length() > 0) {
File tokenFile = new File(tokenFileLocation);
LOG.debug("Reading credentials from location {}",
tokenFile.getCanonicalPath());
if (tokenFile.exists() && tokenFile.isFile()) {
Credentials cred = Credentials.readTokenStorageFile(
tokenFile, conf);
LOG.debug("Loaded {} tokens from {}", cred.numberOfTokens(),
tokenFile.getCanonicalPath());
loginUser.addCredentials(cred);
} else {
LOG.info("tokenFile("+tokenFileName+") does not exist");
}
LOG.info("Token file {} does not exist",
tokenFile.getCanonicalPath());
}
}
}
String fileLocation = System.getenv(HADOOP_TOKEN_FILE_LOCATION);
if (fileLocation != null) {
// Load the token storage file and put all of the tokens into the
// user. Don't use the FileSystem API for reading since it has a lock
// cycle (HADOOP-9212).
File source = new File(fileLocation);
LOG.debug("Reading credentials from location set in {}: {}",
HADOOP_TOKEN_FILE_LOCATION,
source.getCanonicalPath());
if (!source.isFile()) {
throw new FileNotFoundException("Source file "
+ source.getCanonicalPath() + " from "
+ HADOOP_TOKEN_FILE_LOCATION
+ " not found");
}
Credentials cred = Credentials.readTokenStorageFile(
source, conf);
LOG.debug("Loaded {} tokens", cred.numberOfTokens());
// Load tokens from base64 encoding
final Collection<String> tokensBase64 = new LinkedHashSet<>();
tokensBase64.addAll(getTrimmedStringCollection(
System.getProperty(HADOOP_TOKENS)));
tokensBase64.addAll(getTrimmedStringCollection(
conf.get(HADOOP_TOKENS)));
tokensBase64.addAll(getTrimmedStringCollection(
System.getenv(HADOOP_TOKEN)));
int numTokenBase64 = 0;
for (String tokenBase64 : tokensBase64) {
if (tokenBase64 != null && tokenBase64.length() > 0) {
try {
Token<TokenIdentifier> token = new Token<>();
token.decodeFromUrlString(tokenBase64);
Credentials cred = new Credentials();
cred.addToken(token.getService(), token);
loginUser.addCredentials(cred);
numTokenBase64++;
} catch (IOException ioe) {
LOG.error("Cannot add token {}: {}",
tokenBase64, ioe.getMessage());
}
}
}
if (numTokenBase64 > 0) {
LOG.debug("Loaded {} base64 tokens", numTokenBase64);
}
} catch (IOException ioe) {
LOG.debug("failure to load login credentials", ioe);

93
hadoop-common-project/hadoop-common/src/test/java/org/apache/hadoop/security/TestUserGroupInformation.java
View File

@ -1056,6 +1056,7 @@ public void testExternalTokenFiles() throws Exception {
Collection<Token<?>> credsugiTokens = tokenUgi.getTokens();
assertTrue(credsugiTokens.contains(token1));
assertTrue(credsugiTokens.contains(token2));
System.clearProperty("hadoop.token.files");
}
@Test
@ -1270,4 +1271,96 @@ ugi.new TicketCacheRenewalRunnable(tgt,
// isDestroyed should be called at least once
Mockito.verify(tgt, atLeastOnce()).isDestroyed();
}
@Test
public void testImportTokensFromConfig() throws IOException {
Configuration config = new Configuration();
// Add a base64 token
String service0 = "testTokenImportService0";
byte[] identity = "identityImportConfig".getBytes();
byte[] password = "passwordImportConfig".getBytes();
Token<TokenIdentifier> expectedToken0 = new Token<>(identity, password,
new Text("testTokenKind0"), new Text(service0));
String tokenBase64 = expectedToken0.encodeToUrlString();
config.set(CommonConfigurationKeysPublic.HADOOP_TOKENS,
tokenBase64 + ",badtoken");
// Add a token from a file
String service1 = "testTokenImportService1";
Credentials cred0 = new Credentials();
Token<TokenIdentifier> expectedToken1 = expectedToken0.copyToken();
expectedToken1.setKind(new Text("testTokenKind1"));
expectedToken1.setService(new Text(service1));
cred0.addToken(expectedToken1.getService(), expectedToken1);
Path workDir = new Path(
GenericTestUtils.getRandomizedTestDir().getAbsolutePath());
Path tokenPath1 = new Path(workDir, "dt.token");
cred0.writeTokenStorageFile(tokenPath1, config);
config.set(CommonConfigurationKeysPublic.HADOOP_TOKEN_FILES,
tokenPath1 + "," + new Path(workDir, "badfile"));
UserGroupInformation.reset();
UserGroupInformation.setConfiguration(config);
// Check if the tokens were loaded
UserGroupInformation ugi = UserGroupInformation.getLoginUser();
Credentials outCred = ugi.getCredentials();
assertEquals("Tokens: " + outCred.getAllTokens(),
2, outCred.getAllTokens().size());
boolean found0 = false;
boolean found1 = false;
for (Token<? extends TokenIdentifier> token : outCred.getAllTokens()) {
assertArrayEquals(identity, token.getIdentifier());
if (token.getService().toString().equals(service0)) {
assertEquals(expectedToken0.encodeToUrlString(),
token.encodeToUrlString());
found0 = true;
}
if (token.getService().toString().equals(service1)) {
found1 = true;
}
}
assertTrue("Expected token testTokenService0 not found: " + outCred,
found0);
assertTrue("Expected token testTokenService1 not found: " + outCred,
found1);
// Try to add the same token through configuration and file
Credentials cred1 = new Credentials();
cred1.addToken(expectedToken0.getService(), expectedToken0);
cred1.writeTokenStorageFile(tokenPath1, config);
UserGroupInformation.reset();
UserGroupInformation.setConfiguration(config);
UserGroupInformation ugi1 = UserGroupInformation.getLoginUser();
Credentials outCred1 = ugi1.getCredentials();
assertEquals("Tokens: " + outCred1.getAllTokens(),
1, outCred1.getAllTokens().size());
}
@Test
public void testImportTokensFromProperty() throws IOException {
// Add a base64 token
Text service = new Text("testTokenProperty");
byte[] identity = "identityImportProperty".getBytes();
byte[] password = "passwordImportProperty".getBytes();
Token<TokenIdentifier> expectedToken0 = new Token<>(identity, password,
new Text("testTokenKind0"), service);
String tokenBase64 = expectedToken0.encodeToUrlString();
System.setProperty(CommonConfigurationKeysPublic.HADOOP_TOKENS,
tokenBase64);
// Check if the tokens were loaded
UserGroupInformation.reset();
UserGroupInformation ugi = UserGroupInformation.getLoginUser();
Credentials creds = ugi.getCredentials();
assertEquals("Tokens: " + creds.getAllTokens(),
1, creds.getAllTokens().size());
assertArrayEquals(creds.getToken(service).getIdentifier(), identity);
// Cleanup
System.clearProperty(CommonConfigurationKeysPublic.HADOOP_TOKENS);
}
}