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/*
* 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.zookeeper.server.quorum;
import static org.junit.jupiter.api.Assertions.assertEquals;
import java.net.InetAddress;
import java.net.InetSocketAddress;
import java.util.LinkedHashMap;
import java.util.Map;
import org.apache.zookeeper.ZKTestCase;
import org.apache.zookeeper.server.quorum.QuorumPeerConfig.ConfigException;
import org.burningwave.tools.net.DefaultHostResolver;
import org.burningwave.tools.net.HostResolutionRequestInterceptor;
import org.burningwave.tools.net.MappedHostResolver;
import org.junit.jupiter.api.AfterAll;
import org.junit.jupiter.api.AfterEach;
import org.junit.jupiter.api.BeforeAll;
import org.junit.jupiter.api.Test;
public class QuorumCanonicalizeTest extends ZKTestCase {
private static final InetSocketAddress SA_DONT_CARE = InetSocketAddress.createUnresolved("dont.care.invalid", 80);
private static final String ZK1_ALIAS = "zookeeper.invalid";
private static final String ZK1_FQDN = "zk1.invalid";
private static final String ZK1_IP = "169.254.0.42";
private static InetAddress IA_MOCK_ZK1;
@BeforeAll
public static void setupDNSMocks() throws Exception {
Map<String, String> hostAliases = new LinkedHashMap<>();
hostAliases.put(ZK1_FQDN, ZK1_IP);
hostAliases.put(ZK1_ALIAS, ZK1_IP);
HostResolutionRequestInterceptor.INSTANCE.install(
new MappedHostResolver(hostAliases),
DefaultHostResolver.INSTANCE
);
InetAddress ia = InetAddress.getByName(ZK1_FQDN);
IA_MOCK_ZK1 = ia;
}
@AfterAll
public static void clearDNSMocks() {
HostResolutionRequestInterceptor.INSTANCE.uninstall();
}
private static InetAddress getInetAddress(InetSocketAddress addr) {
if (addr.getHostName().equals(ZK1_ALIAS) || addr.getHostName().equals(ZK1_IP)) {
return IA_MOCK_ZK1;
}
return addr.getAddress();
};
@AfterEach
public void cleanUpEnvironment() {
System.clearProperty(QuorumPeer.CONFIG_KEY_KERBEROS_CANONICALIZE_HOST_NAMES);
}
private QuorumPeer.QuorumServer createQuorumServer(String hostName) throws ConfigException {
return new QuorumPeer.QuorumServer(0, hostName + ":1234:5678", QuorumCanonicalizeTest::getInetAddress);
}
@Test
public void testQuorumDefaultCanonicalization() throws ConfigException {
QuorumPeer.QuorumServer qps = createQuorumServer(ZK1_ALIAS);
assertEquals(ZK1_ALIAS, qps.hostname,
"The host name has been \"changed\" (canonicalized?) despite default settings");
}
@Test
public void testQuorumNoCanonicalization() throws ConfigException {
System.setProperty(QuorumPeer.CONFIG_KEY_KERBEROS_CANONICALIZE_HOST_NAMES, Boolean.FALSE.toString());
QuorumPeer.QuorumServer qps = createQuorumServer(ZK1_ALIAS);
assertEquals(ZK1_ALIAS, qps.hostname,
"The host name has been \"changed\" (canonicalized?) despite default settings");
}
@Test
public void testQuorumCanonicalization() throws ConfigException {
System.setProperty(QuorumPeer.CONFIG_KEY_KERBEROS_CANONICALIZE_HOST_NAMES, Boolean.TRUE.toString());
QuorumPeer.QuorumServer qps = createQuorumServer(ZK1_ALIAS);
assertEquals(ZK1_FQDN, qps.hostname,
"The host name hasn't been correctly canonicalized");
}
@Test
public void testQuorumCanonicalizationFromIp() throws ConfigException {
System.setProperty(QuorumPeer.CONFIG_KEY_KERBEROS_CANONICALIZE_HOST_NAMES, Boolean.TRUE.toString());
QuorumPeer.QuorumServer qps = createQuorumServer(ZK1_IP);
assertEquals(ZK1_FQDN, qps.hostname,
"The host name hasn't been correctly canonicalized");
}
}
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