| /** |
| * 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.hdfs; |
| |
| import static org.junit.Assert.*; |
| |
| import java.util.ArrayList; |
| import java.util.Arrays; |
| import java.util.Collections; |
| import java.util.Comparator; |
| import java.util.HashSet; |
| import java.util.List; |
| import java.util.Set; |
| |
| import com.google.common.collect.Sets; |
| import org.apache.commons.lang.ClassUtils; |
| import org.apache.hadoop.hdfs.qjournal.server.JournalNodeRpcServer; |
| import org.apache.hadoop.hdfs.server.namenode.NameNodeRpcServer; |
| import org.apache.hadoop.hdfs.server.datanode.DataNode; |
| import org.apache.hadoop.security.authorize.Service; |
| |
| import org.junit.BeforeClass; |
| import org.junit.Rule; |
| import org.junit.Test; |
| import org.junit.rules.TestName; |
| import org.junit.runner.RunWith; |
| import org.junit.runners.Parameterized; |
| import org.junit.runners.Parameterized.Parameters; |
| |
| import org.slf4j.Logger; |
| import org.slf4j.LoggerFactory; |
| |
| /** |
| * Test suite covering HDFSPolicyProvider. We expect that it contains a |
| * security policy definition for every RPC protocol used in HDFS. The test |
| * suite works by scanning an RPC server's class to find the protocol interfaces |
| * it implements, and then comparing that to the protocol interfaces covered in |
| * HDFSPolicyProvider. This is a parameterized test repeated for multiple HDFS |
| * RPC server classes. |
| */ |
| @RunWith(Parameterized.class) |
| public class TestHDFSPolicyProvider { |
| |
| private static final Logger LOG = |
| LoggerFactory.getLogger(TestHDFSPolicyProvider.class); |
| |
| private static Set<Class<?>> policyProviderProtocols; |
| |
| private static final Comparator<Class<?>> CLASS_NAME_COMPARATOR = |
| new Comparator<Class<?>>() { |
| @Override |
| public int compare(Class<?> lhs, Class<?> rhs) { |
| return lhs.getName().compareTo(rhs.getName()); |
| } |
| }; |
| |
| @Rule |
| public TestName testName = new TestName(); |
| |
| private final Class<?> rpcServerClass; |
| |
| @BeforeClass |
| public static void initialize() { |
| Service[] services = new HDFSPolicyProvider().getServices(); |
| policyProviderProtocols = new HashSet<>(services.length); |
| for (Service service : services) { |
| policyProviderProtocols.add(service.getProtocol()); |
| } |
| } |
| |
| public TestHDFSPolicyProvider(Class<?> rpcServerClass) { |
| this.rpcServerClass = rpcServerClass; |
| } |
| |
| @Parameters(name = "protocolsForServer-{0}") |
| public static List<Class<?>[]> data() { |
| return Arrays.asList(new Class<?>[][]{ |
| {NameNodeRpcServer.class}, |
| {DataNode.class}, |
| {JournalNodeRpcServer.class} |
| }); |
| } |
| |
| @Test |
| public void testPolicyProviderForServer() { |
| List<?> ifaces = ClassUtils.getAllInterfaces(rpcServerClass); |
| Set<Class<?>> serverProtocols = new HashSet<>(ifaces.size()); |
| for (Object obj : ifaces) { |
| Class<?> iface = (Class<?>)obj; |
| if (iface.getSimpleName().endsWith("Protocol")) { |
| serverProtocols.add(iface); |
| } |
| } |
| LOG.info("Running test {} for RPC server {}. Found server protocols {} " |
| + "and policy provider protocols {}.", testName.getMethodName(), |
| rpcServerClass.getName(), serverProtocols, policyProviderProtocols); |
| assertFalse("Expected to find at least one protocol in server.", |
| serverProtocols.isEmpty()); |
| final Set<Class<?>> differenceSet = |
| Sets.difference(serverProtocols, policyProviderProtocols); |
| assertTrue( |
| String.format("Following protocols for server %s are not defined in " |
| + "%s: %s", |
| rpcServerClass.getName(), HDFSPolicyProvider.class.getName(), |
| Arrays.toString(differenceSet.toArray())), |
| differenceSet.isEmpty()); |
| } |
| } |