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* 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
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* Unless required by applicable law or agreed to in writing, software
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package org.apache.ratis.shell.cli.sh;
import org.apache.ratis.RaftTestUtil;
import org.apache.ratis.client.RaftClient;
import org.apache.ratis.conf.RaftProperties;
import org.apache.ratis.protocol.RaftPeer;
import org.apache.ratis.server.RaftServer;
import org.apache.ratis.server.RaftServerConfigKeys;
import org.apache.ratis.server.impl.MiniRaftCluster;
import org.apache.ratis.server.impl.RaftServerTestUtil;
import org.apache.ratis.server.raftlog.RaftLog;
import org.apache.ratis.statemachine.impl.SimpleStateMachine4Testing;
import org.apache.ratis.statemachine.StateMachine;
import org.apache.ratis.thirdparty.com.google.common.collect.ObjectArrays;
import org.apache.ratis.util.JavaUtils;
import org.apache.ratis.util.Slf4jUtils;
import org.apache.ratis.util.SizeInBytes;
import org.apache.ratis.util.TimeDuration;
import org.junit.jupiter.api.Assertions;
import org.junit.jupiter.api.Test;
import org.slf4j.event.Level;
import java.util.concurrent.TimeUnit;
public abstract class PeerCommandIntegrationTest <CLUSTER extends MiniRaftCluster>
extends AbstractCommandIntegrationTestWithGrpc implements MiniRaftCluster.Factory.Get<CLUSTER> {
{
Slf4jUtils.setLogLevel(RaftServer.Division.LOG, Level.WARN);
Slf4jUtils.setLogLevel(RaftLog.LOG, Level.WARN);
Slf4jUtils.setLogLevel(RaftClient.LOG, Level.WARN);
}
{
final RaftProperties prop = getProperties();
prop.setClass(MiniRaftCluster.STATEMACHINE_CLASS_KEY,
SimpleStateMachine4Testing.class, StateMachine.class);
RaftServerConfigKeys.Log.setSegmentSizeMax(prop, SizeInBytes.valueOf("8KB"));
}
@Test
public void testPeerAddRemoveCommand() throws Exception {
runWithNewCluster(NUM_SERVERS, this::runTestPeerRemoveCommand);
runWithNewCluster(NUM_SERVERS, this::runTestPeerAddCommand);
}
void runTestPeerRemoveCommand(MiniRaftCluster cluster) throws Exception {
final RaftServer.Division leader = RaftTestUtil.waitForLeader(cluster);
final String address = getClusterAddress(cluster);
RaftServer.Division toRemove = cluster.getFollowers().get(0);
RaftPeer[] peers = new RaftPeer[]{cluster.getFollowers().get(1).getPeer(), leader.getPeer()};
final StringPrintStream out = new StringPrintStream();
RatisShell shell = new RatisShell(out.getPrintStream());
Assertions.assertTrue(cluster.getFollowers().contains(toRemove));
int ret = shell.run("peer", "remove", "-peers", address, "-peerId",
toRemove.getPeer().getId().toString());
Assertions.assertEquals(0, ret);
RaftServerTestUtil.waitAndCheckNewConf(cluster, peers,1, null);
}
void runTestPeerAddCommand(MiniRaftCluster cluster) throws Exception {
LOG.info("Start testMultiGroup" + cluster.printServers());
RaftTestUtil.waitForLeader(cluster);
RaftPeer[] peers = cluster.getPeers().toArray(new RaftPeer[0]);
RaftPeer[] newPeers = cluster.addNewPeers(1, true, true).newPeers;
RaftServerTestUtil.waitAndCheckNewConf(cluster, peers, 0, null);
StringBuilder sb = new StringBuilder();
for (RaftPeer peer : peers) {
sb.append(peer.getAdminAddress());
sb.append(",");
}
final StringPrintStream out = new StringPrintStream();
RatisShell shell = new RatisShell(out.getPrintStream());
int ret = shell.run("peer", "add", "-peers", sb.toString(), "-address",
newPeers[0].getAdminAddress(), "-peerId", newPeers[0].getId().toString());
Assertions.assertEquals(0, ret);
RaftServerTestUtil.waitAndCheckNewConf(cluster, ObjectArrays.concat(peers, newPeers[0]), 0, null);
}
@Test
public void testPeerSetPriorityCommand() throws Exception {
runWithNewCluster(NUM_SERVERS, this::runTestPeerSetPriorityCommand);
}
void runTestPeerSetPriorityCommand(MiniRaftCluster cluster) throws Exception {
final RaftServer.Division leader = RaftTestUtil.waitForLeader(cluster);
final String address = getClusterAddress(cluster);
RaftServer.Division newLeader = cluster.getFollowers().get(0);
final StringPrintStream out = new StringPrintStream();
RatisShell shell = new RatisShell(out.getPrintStream());
Assertions.assertTrue(cluster.getFollowers().contains(newLeader));
int ret = shell.run("peer", "setPriority", "-peers", address, "-addressPriority",
newLeader.getPeer().getAddress()+ "|" + 2);
Assertions.assertEquals(0, ret);
JavaUtils.attempt(() -> {
Assertions.assertEquals(cluster.getLeader().getId(), newLeader.getId());
}, 10, TimeDuration.valueOf(1, TimeUnit.SECONDS), "testPeerSetPriorityCommand", LOG);
}
}