TestNMAuditLogger.java
/**
* 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
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* 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.yarn.server.nodemanager;
import static org.junit.Assert.assertEquals;
import static org.mockito.Mockito.mock;
import static org.mockito.Mockito.when;
import java.net.InetAddress;
import java.net.InetSocketAddress;
import org.apache.hadoop.thirdparty.protobuf.BlockingService;
import org.apache.hadoop.thirdparty.protobuf.RpcController;
import org.apache.hadoop.thirdparty.protobuf.ServiceException;
import org.apache.hadoop.conf.Configuration;
import org.apache.hadoop.ipc.ClientId;
import org.apache.hadoop.ipc.ProtobufRpcEngine2;
import org.apache.hadoop.ipc.RPC;
import org.apache.hadoop.ipc.Server;
import org.apache.hadoop.ipc.TestRPC.TestImpl;
import org.apache.hadoop.ipc.TestRpcBase.TestRpcService;
import org.apache.hadoop.ipc.TestRPC.TestProtocol;
import org.apache.hadoop.ipc.TestRpcBase;
import org.apache.hadoop.ipc.protobuf.TestProtos;
import org.apache.hadoop.ipc.protobuf.TestRpcServiceProtos;
import org.apache.hadoop.net.NetUtils;
import org.apache.hadoop.yarn.api.records.ApplicationId;
import org.apache.hadoop.yarn.api.records.ContainerId;
import org.apache.hadoop.yarn.server.nodemanager.NMAuditLogger.Keys;
import org.junit.Assert;
import org.junit.Before;
import org.junit.Test;
/**
* Tests {@link NMAuditLogger}.
*/
public class TestNMAuditLogger {
private static final String USER = "test";
private static final String OPERATION = "oper";
private static final String TARGET = "tgt";
private static final String DESC = "description of an audit log";
private static final ApplicationId APPID = mock(ApplicationId.class);
private static final ContainerId CONTAINERID = mock(ContainerId.class);
@Before
public void setUp() throws Exception {
when(APPID.toString()).thenReturn("app_1");
when(CONTAINERID.toString()).thenReturn("container_1");
}
/**
* Test the AuditLog format with key-val pair.
*/
@Test
public void testKeyValLogFormat() throws Exception {
StringBuilder actLog = new StringBuilder();
StringBuilder expLog = new StringBuilder();
// add the first k=v pair and check
NMAuditLogger.start(Keys.USER, USER, actLog);
expLog.append("USER=test");
assertEquals(expLog.toString(), actLog.toString());
// append another k1=v1 pair to already added k=v and test
NMAuditLogger.add(Keys.OPERATION, OPERATION, actLog);
expLog.append("\tOPERATION=oper");
assertEquals(expLog.toString(), actLog.toString());
// append another k1=null pair and test
NMAuditLogger.add(Keys.APPID, (String)null, actLog);
expLog.append("\tAPPID=null");
assertEquals(expLog.toString(), actLog.toString());
// now add the target and check of the final string
NMAuditLogger.add(Keys.TARGET, TARGET, actLog);
expLog.append("\tTARGET=tgt");
assertEquals(expLog.toString(), actLog.toString());
}
/**
* Test the AuditLog format for successful events.
*/
private void testSuccessLogFormatHelper(boolean checkIP,
ApplicationId appId, ContainerId containerId) {
// check without the IP
String sLog = NMAuditLogger.createSuccessLog(USER, OPERATION, TARGET,
appId, containerId);
StringBuilder expLog = new StringBuilder();
expLog.append("USER=test\t");
if (checkIP) {
InetAddress ip = Server.getRemoteIp();
expLog.append(Keys.IP.name() + "=" + ip.getHostAddress() + "\t");
}
expLog.append("OPERATION=oper\tTARGET=tgt\tRESULT=SUCCESS");
if (appId != null) {
expLog.append("\tAPPID=app_1");
}
if (containerId != null) {
expLog.append("\tCONTAINERID=container_1");
}
assertEquals(expLog.toString(), sLog);
}
/**
* Test the AuditLog format for successful events passing nulls.
*/
private void testSuccessLogNulls(boolean checkIP) {
String sLog = NMAuditLogger.createSuccessLog(null, null, null,
null, null);
StringBuilder expLog = new StringBuilder();
expLog.append("USER=null\t");
if (checkIP) {
InetAddress ip = Server.getRemoteIp();
expLog.append(Keys.IP.name() + "=" + ip.getHostAddress() + "\t");
}
expLog.append("OPERATION=null\tTARGET=null\tRESULT=SUCCESS");
assertEquals(expLog.toString(), sLog);
}
/**
* Test the AuditLog format for successful events with the various
* parameters.
*/
private void testSuccessLogFormat(boolean checkIP) {
testSuccessLogFormatHelper(checkIP, null, null);
testSuccessLogFormatHelper(checkIP, APPID, null);
testSuccessLogFormatHelper(checkIP, null, CONTAINERID);
testSuccessLogFormatHelper(checkIP, APPID, CONTAINERID);
testSuccessLogNulls(checkIP);
}
/**
* Test the AuditLog format for failure events.
*/
private void testFailureLogFormatHelper(boolean checkIP, ApplicationId appId,
ContainerId containerId) {
String fLog =
NMAuditLogger.createFailureLog(USER, OPERATION, TARGET, DESC, appId,
containerId);
StringBuilder expLog = new StringBuilder();
expLog.append("USER=test\t");
if (checkIP) {
InetAddress ip = Server.getRemoteIp();
expLog.append(Keys.IP.name() + "=" + ip.getHostAddress() + "\t");
}
expLog.append("OPERATION=oper\tTARGET=tgt\tRESULT=FAILURE\t");
expLog.append("DESCRIPTION=description of an audit log");
if (appId != null) {
expLog.append("\tAPPID=app_1");
}
if (containerId != null) {
expLog.append("\tCONTAINERID=container_1");
}
assertEquals(expLog.toString(), fLog);
}
/**
* Test the AuditLog format for failure events with the various
* parameters.
*/
private void testFailureLogFormat(boolean checkIP) {
testFailureLogFormatHelper(checkIP, null, null);
testFailureLogFormatHelper(checkIP, APPID, null);
testFailureLogFormatHelper(checkIP, null, CONTAINERID);
testFailureLogFormatHelper(checkIP, APPID, CONTAINERID);
}
/**
* Test {@link NMAuditLogger} without IP set.
*/
@Test
public void testNMAuditLoggerWithoutIP() throws Exception {
// test without ip
testSuccessLogFormat(false);
testFailureLogFormat(false);
}
/**
* A special extension of {@link TestImpl} RPC server with
* {@link TestImpl#ping()} testing the audit logs.
*/
private class MyTestRPCServer extends TestRpcBase.PBServerImpl {
@Override
public TestProtos.EmptyResponseProto ping(
RpcController unused, TestProtos.EmptyRequestProto request)
throws ServiceException {
// Ensure clientId is received
byte[] clientId = Server.getClientId();
Assert.assertNotNull(clientId);
Assert.assertEquals(ClientId.BYTE_LENGTH, clientId.length);
// test with ip set
testSuccessLogFormat(true);
testFailureLogFormat(true);
return TestProtos.EmptyResponseProto.newBuilder().build();
}
}
/**
* Test {@link NMAuditLogger} with IP set.
*/
@Test
public void testNMAuditLoggerWithIP() throws Exception {
Configuration conf = new Configuration();
RPC.setProtocolEngine(conf, TestRpcService.class, ProtobufRpcEngine2.class);
// Create server side implementation
MyTestRPCServer serverImpl = new MyTestRPCServer();
BlockingService service = TestRpcServiceProtos.TestProtobufRpcProto
.newReflectiveBlockingService(serverImpl);
// start the IPC server
Server server = new RPC.Builder(conf)
.setProtocol(TestRpcBase.TestRpcService.class)
.setInstance(service).setBindAddress("0.0.0.0")
.setPort(0).setNumHandlers(5).setVerbose(true).build();
server.start();
InetSocketAddress addr = NetUtils.getConnectAddress(server);
// Make a client connection and test the audit log
TestRpcService proxy = RPC.getProxy(TestRpcService.class,
TestProtocol.versionID, addr, conf);
// Start the testcase
TestProtos.EmptyRequestProto pingRequest =
TestProtos.EmptyRequestProto.newBuilder().build();
proxy.ping(null, pingRequest);
server.stop();
RPC.stopProxy(proxy);
}
}