| /** |
| * 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.mapred; |
| |
| import java.io.IOException; |
| |
| import junit.framework.Assert; |
| |
| import org.apache.hadoop.conf.Configuration; |
| import org.apache.hadoop.fs.FileSystem; |
| import org.apache.hadoop.fs.Path; |
| import org.apache.hadoop.tools.rumen.ClusterTopologyReader; |
| import org.apache.hadoop.tools.rumen.DeepInequalityException; |
| import org.apache.hadoop.tools.rumen.LoggedNetworkTopology; |
| import org.apache.hadoop.tools.rumen.TreePath; |
| import org.junit.Test; |
| |
| public class TestRemoveIpsFromLoggedNetworkTopology { |
| |
| |
| @Test |
| public void testIsIPAddress() { |
| final String[] positives = { |
| "123.13.42.255", // regular ipv4 |
| "123.01.0.255", // padded 0 |
| "000.001.002.020", // more padded 0 |
| "123\\.13\\.42\\.255", // escaped . |
| "0.0.0.0", // all-zero |
| "255.255.255.255", // all-0xff |
| |
| "1080:0:0:0:8:800:200C:417A", // regular ipv6 |
| "1080:01:020:3:8:0800:200C:417A", // padded 0 |
| "1080:01:002:0003:080:0800:0200:417A", // more padded 0 |
| "0:0:0:0:0:0:0:0", // all-zero |
| "ffff:ffff:ffff:ffff:ffff:ffff:ffff:ffff", // all-0xff |
| }; |
| |
| final String[] negatives = { |
| "node.megatron.com", // domain name |
| "13.42.255", // too short |
| "123.13.42.255.10", // too long |
| "123.256.42.255", // too large |
| "123.13.42.255.weird.com", // weird |
| "1080:0:0:0:8:200C:417A", // too short |
| "1080:0:0:0:1:8:800:200C:417A", // too long |
| "1080A:0:0:0:8:800:200C:417A", // too large |
| "1080:0:0:0:8:800:200G:417A", // too large |
| }; |
| |
| for (String s : positives) { |
| Assert.assertTrue(s, SimulatorEngine.isIPAddress(s)); |
| } |
| |
| for (String s : negatives) { |
| Assert.assertFalse(s, SimulatorEngine.isIPAddress(s)); |
| } |
| } |
| |
| @Test |
| public void testIpRemoval() throws IOException { |
| final Configuration conf = new Configuration(); |
| final FileSystem lfs = FileSystem.getLocal(conf); |
| final Path rootInputDir = new Path(System.getProperty("src.test.data", |
| "data")).makeQualified(lfs.getUri(), lfs.getWorkingDirectory()); |
| |
| final LoggedNetworkTopology topoWithIps = new ClusterTopologyReader(new Path( |
| rootInputDir, "topo-with-numeric-ips.json"), conf).get(); |
| final LoggedNetworkTopology topoWithoutIps = new ClusterTopologyReader(new Path( |
| rootInputDir, "topo-without-numeric-ips.json"), conf).get(); |
| try { |
| topoWithIps.deepCompare(topoWithoutIps, new TreePath(null, "<root>")); |
| Assert.fail("Expecting two topologies to differ"); |
| } catch (DeepInequalityException e) { |
| } |
| SimulatorEngine.removeIpHosts(topoWithIps); |
| try { |
| topoWithIps.deepCompare(topoWithoutIps, new TreePath(null, "<root>")); |
| } catch (DeepInequalityException e) { |
| Assert.fail("Expecting two topologies to be equal"); |
| } |
| } |
| } |