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HADOOP-12897. KerberosAuthenticator.authenticate to include URL on IO failures. Contributed by Ajay Kumar.

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This commit is contained in:
Arpit Agarwal 2018-02-20 18:18:58 -08:00
parent 324e5a7cf2
commit b0d3c877e3
5 changed files with 101 additions and 35 deletions
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30
hadoop-common-project/hadoop-auth/src/main/java/org/apache/hadoop/security/authentication/client/KerberosAuthenticator.java
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@ -13,6 +13,8 @@
*/
package org.apache.hadoop.security.authentication.client;
import com.google.common.annotations.VisibleForTesting;
import java.lang.reflect.Constructor;
import org.apache.commons.codec.binary.Base64;
import org.apache.hadoop.security.authentication.server.HttpConstants;
import org.apache.hadoop.security.authentication.util.AuthToken;
@ -181,6 +183,7 @@ public void authenticate(URL url, AuthenticatedURL.Token token)
if (!token.isSet()) {
this.url = url;
base64 = new Base64(0);
try {
HttpURLConnection conn = token.openConnection(url, connConfigurator);
conn.setRequestMethod(AUTH_HTTP_METHOD);
conn.connect();
@ -204,11 +207,34 @@ public void authenticate(URL url, AuthenticatedURL.Token token)
Authenticator auth = getFallBackAuthenticator();
// Make sure that the fall back authenticator have the same
// ConnectionConfigurator, since the method might be overridden.
// Otherwise the fall back authenticator might not have the information
// to make the connection (e.g., SSL certificates)
// Otherwise the fall back authenticator might not have the
// information to make the connection (e.g., SSL certificates)
auth.setConnectionConfigurator(connConfigurator);
auth.authenticate(url, token);
}
} catch (IOException ex){
throw wrapExceptionWithMessage(ex,
"Error while authenticating with endpoint: " + url);
} catch (AuthenticationException ex){
throw wrapExceptionWithMessage(ex,
"Error while authenticating with endpoint: " + url);
}
}
}
@VisibleForTesting
static <T extends Exception> T wrapExceptionWithMessage(
T exception, String msg) {
Class<? extends Throwable> exceptionClass = exception.getClass();
try {
Constructor<? extends Throwable> ctor = exceptionClass
.getConstructor(String.class);
Throwable t = ctor.newInstance(msg);
return (T) (t.initCause(exception));
} catch (Throwable e) {
LOG.debug("Unable to wrap exception of type {}, it has "
+ "no (String) constructor.", exceptionClass, e);
return exception;
}
}

29
hadoop-common-project/hadoop-auth/src/test/java/org/apache/hadoop/security/authentication/client/TestKerberosAuthenticator.java
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@ -20,6 +20,9 @@
import static org.apache.hadoop.security.authentication.server.KerberosAuthenticationHandler.KEYTAB;
import static org.apache.hadoop.security.authentication.server.KerberosAuthenticationHandler.NAME_RULES;
import java.io.IOException;
import java.nio.charset.CharacterCodingException;
import javax.security.sasl.AuthenticationException;
import org.apache.hadoop.minikdc.KerberosSecurityTestcase;
import org.apache.hadoop.security.authentication.KerberosTestUtils;
import org.apache.hadoop.security.authentication.server.AuthenticationFilter;
@ -218,4 +221,30 @@ public Void call() throws Exception {
});
}
@Test(timeout = 60000)
public void testWrapExceptionWithMessage() {
IOException ex;
ex = new IOException("Induced exception");
ex = KerberosAuthenticator.wrapExceptionWithMessage(ex, "Error while "
+ "authenticating with endpoint: localhost");
Assert.assertEquals("Induced exception", ex.getCause().getMessage());
Assert.assertEquals("Error while authenticating with endpoint: localhost",
ex.getMessage());
ex = new AuthenticationException("Auth exception");
ex = KerberosAuthenticator.wrapExceptionWithMessage(ex, "Error while "
+ "authenticating with endpoint: localhost");
Assert.assertEquals("Auth exception", ex.getCause().getMessage());
Assert.assertEquals("Error while authenticating with endpoint: localhost",
ex.getMessage());
// Test for Exception with no (String) constructor
// redirect the LOG to and check log message
ex = new CharacterCodingException();
Exception ex2 = KerberosAuthenticator.wrapExceptionWithMessage(ex,
"Error while authenticating with endpoint: localhost");
Assert.assertTrue(ex instanceof CharacterCodingException);
Assert.assertTrue(ex.equals(ex2));
}
}

5
hadoop-common-project/hadoop-common/src/test/java/org/apache/hadoop/http/TestHttpServerWithSpengo.java
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@ -383,8 +383,9 @@ public Void run() throws Exception {
Assert.fail("should fail with no credentials");
} catch (AuthenticationException ae) {
Assert.assertNotNull(ae.getCause());
Assert.assertEquals(GSSException.class, ae.getCause().getClass());
GSSException gsse = (GSSException)ae.getCause();
Assert.assertEquals(GSSException.class,
ae.getCause().getCause().getClass());
GSSException gsse = (GSSException)ae.getCause().getCause();
Assert.assertEquals(GSSException.NO_CRED, gsse.getMajor());
} catch (Throwable t) {
Assert.fail("Unexpected exception" + t);

18
hadoop-common-project/hadoop-common/src/test/java/org/apache/hadoop/log/TestLogLevel.java
View File

@ -356,7 +356,10 @@ public void testLogLevelByHttp() throws Exception {
fail("A HTTPS Client should not have succeeded in connecting to a " +
"HTTP server");
} catch (SSLException e) {
GenericTestUtils.assertExceptionContains("Unrecognized SSL message", e);
GenericTestUtils.assertExceptionContains("Error while authenticating "
+ "with endpoint", e);
GenericTestUtils.assertExceptionContains("Unrecognized SSL message", e
.getCause());
}
}
@ -374,7 +377,10 @@ public void testLogLevelByHttpWithSpnego() throws Exception {
fail("A HTTPS Client should not have succeeded in connecting to a " +
"HTTP server");
} catch (SSLException e) {
GenericTestUtils.assertExceptionContains("Unrecognized SSL message", e);
GenericTestUtils.assertExceptionContains("Error while authenticating "
+ "with endpoint", e);
GenericTestUtils.assertExceptionContains("Unrecognized SSL message", e
.getCause());
}
}
@ -393,8 +399,10 @@ public void testLogLevelByHttps() throws Exception {
fail("A HTTP Client should not have succeeded in connecting to a " +
"HTTPS server");
} catch (SocketException e) {
GenericTestUtils.assertExceptionContains("Error while authenticating "
+ "with endpoint", e);
GenericTestUtils.assertExceptionContains(
"Unexpected end of file from server", e);
"Unexpected end of file from server", e.getCause());
}
}
@ -413,8 +421,10 @@ public void testLogLevelByHttpsWithSpnego() throws Exception {
fail("A HTTP Client should not have succeeded in connecting to a " +
"HTTPS server");
} catch (SocketException e) {
GenericTestUtils.assertExceptionContains("Error while authenticating "
+ "with endpoint", e);
GenericTestUtils.assertExceptionContains(
"Unexpected end of file from server", e);
"Unexpected end of file from server", e.getCause());
}
}
}

4
hadoop-common-project/hadoop-common/src/test/java/org/apache/hadoop/security/token/delegation/web/TestWebDelegationToken.java
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@ -364,7 +364,7 @@ private void testDelegationTokenAuthenticatorCalls(final boolean useQS)
aUrl.getDelegationToken(nonAuthURL, token, FOO_USER);
Assert.fail();
} catch (Exception ex) {
Assert.assertTrue(ex.getMessage().contains("401"));
Assert.assertTrue(ex.getCause().getMessage().contains("401"));
}
aUrl.getDelegationToken(authURL, token, FOO_USER);
@ -776,7 +776,7 @@ private void testKerberosDelegationTokenAuthenticator(
aUrl.getDelegationToken(url, token, FOO_USER, doAsUser);
Assert.fail();
} catch (AuthenticationException ex) {
Assert.assertTrue(ex.getMessage().contains("GSSException"));
Assert.assertTrue(ex.getCause().getMessage().contains("GSSException"));
}
doAsKerberosUser("client", keytabFile.getAbsolutePath(),