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/*
* SonarQube
* Copyright (C) 2009-2025 SonarSource SA
* mailto:info AT sonarsource DOT com
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 3 of the License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with this program; if not, write to the Free Software Foundation,
* Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*/
package org.sonar.process.cluster.hz;
import com.google.common.net.HostAndPort;
import com.hazelcast.config.Config;
import com.hazelcast.config.JoinConfig;
import com.hazelcast.config.MemberAttributeConfig;
import com.hazelcast.config.NetworkConfig;
import com.hazelcast.core.Hazelcast;
import java.util.List;
import java.util.stream.Stream;
import org.jetbrains.annotations.NotNull;
import org.sonar.process.ProcessId;
import org.sonar.process.cluster.hz.HazelcastMember.Attribute;
import static java.util.Collections.singletonList;
import static java.util.Objects.requireNonNull;
import static org.sonar.process.ProcessProperties.Property.CLUSTER_NODE_HZ_PORT;
import static org.sonar.process.cluster.hz.JoinConfigurationType.KUBERNETES;
public class HazelcastMemberBuilder {
private String nodeName;
private int port;
private ProcessId processId;
private String networkInterface;
private String members;
private final JoinConfigurationType type;
public HazelcastMemberBuilder(JoinConfigurationType type) {
this.type = type;
}
public HazelcastMemberBuilder setNodeName(String s) {
this.nodeName = s;
return this;
}
public HazelcastMemberBuilder setProcessId(ProcessId p) {
if (p == ProcessId.ELASTICSEARCH) {
throw new IllegalArgumentException("Hazelcast must not be enabled on Elasticsearch node");
}
this.processId = p;
return this;
}
public HazelcastMemberBuilder setPort(int i) {
this.port = i;
return this;
}
public HazelcastMemberBuilder setNetworkInterface(String s) {
this.networkInterface = s;
return this;
}
/**
* Adds references to cluster members
*/
public HazelcastMemberBuilder setMembers(String members) {
this.members = members;
return this;
}
public HazelcastMember build() {
Config config = new Config();
// do not use the value defined by property sonar.cluster.name.
// Hazelcast does not fail when joining a cluster with different name.
// Apparently this behavior exists since Hazelcast 3.8.2 (see note
// at http://docs.hazelcast.org/docs/3.8.6/manual/html-single/index.html#creating-cluster-groups)
config.setClusterName("SonarQube");
// Configure network
NetworkConfig netConfig = config.getNetworkConfig();
netConfig
.setPort(port)
.setPortAutoIncrement(false)
.setReuseAddress(true);
netConfig.getInterfaces()
.setEnabled(true)
.setInterfaces(provideNetworkInterfaceForHazelcastConfig());
JoinConfig joinConfig = netConfig.getJoin();
joinConfig.getAwsConfig().setEnabled(false);
joinConfig.getMulticastConfig().setEnabled(false);
final int defaultHzNodePort = Integer.parseInt(CLUSTER_NODE_HZ_PORT.getDefaultValue());
if (KUBERNETES.equals(type)) {
joinConfig.getKubernetesConfig().setEnabled(true)
.setProperty("service-dns", requireNonNull(members, "Service DNS is missing"))
.setProperty("service-port", String.valueOf(defaultHzNodePort));
} else {
List<String> addressesWithDefaultPorts = Stream.of(this.members.split(","))
.filter(host -> !host.isBlank())
.map(String::trim)
.map(HostAndPort::fromString)
.map(parsedHost -> parsedHost.withDefaultPort(defaultHzNodePort))
.map(HostAndPort::toString)
.toList();
joinConfig.getTcpIpConfig().setEnabled(true);
joinConfig.getTcpIpConfig().setMembers(requireNonNull(addressesWithDefaultPorts, "Members are missing"));
}
// We are not using the partition group of Hazelcast, so disabling it
config.getPartitionGroupConfig().setEnabled(false);
// Tweak HazelCast configuration
config
// Increase the number of tries
.setProperty("hazelcast.tcp.join.port.try.count", "10")
// Don't bind on all interfaces
.setProperty("hazelcast.socket.bind.any", "false")
// Don't phone home
.setProperty("hazelcast.phone.home.enabled", "false")
// Use slf4j for logging
.setProperty("hazelcast.logging.type", "slf4j")
// support ip v6
.setProperty("hazelcast.prefer.ipv4.stack", "false")
.setProperty("hazelcast.partial.member.disconnection.resolution.heartbeat.count", "5");
MemberAttributeConfig attributes = config.getMemberAttributeConfig();
attributes.setAttribute(Attribute.NODE_NAME.getKey(), requireNonNull(nodeName, "Node name is missing"));
attributes.setAttribute(Attribute.PROCESS_KEY.getKey(), requireNonNull(processId, "Process key is missing").getKey());
return new HazelcastMemberImpl(Hazelcast.newHazelcastInstance(config));
}
/**
* Hazelcast doesn't recognize IPv6 address in the square brackets so we remove in case user provided us with the IP with square brackets
*/
@NotNull
private List<String> provideNetworkInterfaceForHazelcastConfig() {
String hazelcastNetworkInterface = requireNonNull(networkInterface, "Network interface is missing");
if (hazelcastNetworkInterface.startsWith("[") && hazelcastNetworkInterface.endsWith("]")) {
hazelcastNetworkInterface = hazelcastNetworkInterface.replace("[", "").replace("]", "");
}
return singletonList(hazelcastNetworkInterface);
}
}
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