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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.test;
import static org.junit.jupiter.api.Assertions.assertTrue;
import static org.junit.jupiter.api.Assertions.fail;
import java.io.IOException;
import java.util.ArrayList;
import java.util.List;
import java.util.concurrent.TimeoutException;
import org.apache.zookeeper.KeeperException;
import org.apache.zookeeper.PortAssignment;
import org.apache.zookeeper.ZKTestCase;
import org.apache.zookeeper.admin.ZooKeeperAdmin;
import org.apache.zookeeper.data.Stat;
import org.apache.zookeeper.server.quorum.QuorumPeerConfig;
import org.junit.jupiter.api.AfterEach;
import org.junit.jupiter.api.BeforeEach;
import org.junit.jupiter.api.Test;
import org.junit.jupiter.api.Timeout;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
public class ReconfigMisconfigTest extends ZKTestCase {
private static final Logger LOG = LoggerFactory.getLogger(ReconfigMisconfigTest.class);
private QuorumUtil qu;
private ZooKeeperAdmin zkAdmin;
private static String errorMsg = "Reconfig should fail without configuring the super "
+ "user's password on server side first.";
@BeforeEach
public void setup() throws InterruptedException {
QuorumPeerConfig.setReconfigEnabled(true);
// Get a three server quorum.
qu = new QuorumUtil(1);
qu.disableJMXTest = true;
try {
qu.startAll();
} catch (IOException e) {
fail("Fail to start quorum servers.");
}
instantiateZKAdmin();
}
@AfterEach
public void tearDown() throws Exception {
try {
if (qu != null) {
qu.tearDown();
}
if (zkAdmin != null) {
zkAdmin.close();
}
} catch (Exception e) {
// Ignore.
}
}
@Test
@Timeout(value = 10)
public void testReconfigFailWithoutSuperuserPasswordConfiguredOnServer() throws InterruptedException {
// This tests the case where ZK ensemble does not have the super user's password configured.
// Reconfig should fail as the super user has to be explicitly configured via
// zookeeper.DigestAuthenticationProvider.superDigest.
try {
reconfigPort();
fail(errorMsg);
} catch (KeeperException e) {
assertTrue(e.code() == KeeperException.Code.NOAUTH);
}
try {
zkAdmin.addAuthInfo("digest", "super:".getBytes());
reconfigPort();
fail(errorMsg);
} catch (KeeperException e) {
assertTrue(e.code() == KeeperException.Code.NOAUTH);
}
}
private void instantiateZKAdmin() throws InterruptedException {
String cnxString;
ClientBase.CountdownWatcher watcher = new ClientBase.CountdownWatcher();
try {
cnxString = "127.0.0.1:" + qu.getPeer(1).peer.getClientPort();
zkAdmin = new ZooKeeperAdmin(cnxString, ClientBase.CONNECTION_TIMEOUT, watcher);
} catch (IOException e) {
fail("Fail to create ZooKeeperAdmin handle.");
return;
}
try {
watcher.waitForConnected(ClientBase.CONNECTION_TIMEOUT);
} catch (InterruptedException | TimeoutException e) {
fail("ZooKeeper admin client can not connect to " + cnxString);
}
}
private boolean reconfigPort() throws KeeperException, InterruptedException {
List<String> joiningServers = new ArrayList<>();
int leaderId = 1;
while (qu.getPeer(leaderId).peer.leader == null) {
leaderId++;
}
int followerId = leaderId == 1 ? 2 : 1;
joiningServers.add("server." + followerId
+ "=localhost:"
+ qu.getPeer(followerId).peer.getQuorumAddress().getAllPorts().get(0) /*quorum port*/
+ ":"
+ qu.getPeer(followerId).peer.getElectionAddress().getAllPorts().get(0) /*election port*/
+ ":participant;localhost:"
+ PortAssignment.unique()/* new client port */);
zkAdmin.reconfigure(joiningServers, null, null, -1, new Stat());
return true;
}
}
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