/**
* 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.
*/
/*
* Test the MiniDFSCluster functionality that allows "dfs.datanode.address",
* "dfs.datanode.http.address", and "dfs.datanode.ipc.address" to be
* configurable. The MiniDFSCluster.startDataNodes() API now has a parameter
* that will check these properties if told to do so.
*/
package org.apache.hadoop.hdfs.server.namenode;
import static org.apache.hadoop.hdfs.DFSConfigKeys.DFS_NAMENODE_RPC_BIND_HOST_KEY;
import static org.junit.Assert.assertEquals;
import java.io.IOException;
import org.apache.hadoop.conf.Configuration;
import org.apache.hadoop.hdfs.HdfsConfiguration;
import org.apache.hadoop.hdfs.MiniDFSCluster;
import org.junit.Test;
public class TestNameNodeRpcServer {
@Test
public void testNamenodeRpcBindAny() throws IOException {
Configuration conf = new HdfsConfiguration();
// The name node in MiniDFSCluster only binds to 127.0.0.1.
// We can set the bind address to 0.0.0.0 to make it listen
// to all interfaces.
conf.set(DFS_NAMENODE_RPC_BIND_HOST_KEY, "0.0.0.0");
MiniDFSCluster cluster = null;
try {
cluster = new MiniDFSCluster.Builder(conf).build();
cluster.waitActive();
assertEquals("0.0.0.0", ((NameNodeRpcServer)cluster.getNameNodeRpc())
.getClientRpcServer().getListenerAddress().getHostName());
} finally {
if (cluster != null) {
cluster.shutdown();
}
// Reset the config
conf.unset(DFS_NAMENODE_RPC_BIND_HOST_KEY);
}
}
}