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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.application.cluster;
import java.net.InetAddress;
import java.util.Optional;
import org.elasticsearch.ElasticsearchException;
import org.elasticsearch.cluster.health.ClusterHealthStatus;
import org.junit.Rule;
import org.junit.Test;
import org.junit.rules.DisableOnDebug;
import org.junit.rules.TestRule;
import org.junit.rules.Timeout;
import org.sonar.application.AppStateListener;
import org.sonar.application.config.TestAppSettings;
import org.sonar.application.es.EsConnector;
import org.sonar.process.MessageException;
import org.sonar.process.NetworkUtilsImpl;
import org.sonar.process.ProcessId;
import org.sonar.process.cluster.hz.HazelcastMember;
import org.sonar.process.cluster.hz.HazelcastMemberBuilder;
import org.sonar.process.cluster.hz.JoinConfigurationType;
import static org.assertj.core.api.Assertions.assertThat;
import static org.assertj.core.api.Assertions.assertThatThrownBy;
import static org.mockito.Mockito.doThrow;
import static org.mockito.Mockito.mock;
import static org.mockito.Mockito.timeout;
import static org.mockito.Mockito.verify;
import static org.mockito.Mockito.when;
import static org.sonar.process.cluster.hz.HazelcastObjects.CLUSTER_NAME;
import static org.sonar.process.cluster.hz.HazelcastObjects.SONARQUBE_VERSION;
public class ClusterAppStateImplTest {
@Rule
public TestRule safeguardTimeout = new DisableOnDebug(Timeout.seconds(60));
@Test
public void tryToLockWebLeader_returns_true_only_for_the_first_call() {
try (ClusterAppStateImpl underTest = new ClusterAppStateImpl(new TestAppSettings(), newHzMember(),
mock(EsConnector.class), mock(AppNodesClusterHostsConsistency.class))) {
assertThat(underTest.tryToLockWebLeader()).isTrue();
assertThat(underTest.tryToLockWebLeader()).isFalse();
}
}
@Test
public void test_listeners() {
AppStateListener listener = mock(AppStateListener.class);
try (ClusterAppStateImpl underTest = createClusterAppState()) {
underTest.addListener(listener);
underTest.setOperational(ProcessId.ELASTICSEARCH);
verify(listener, timeout(20_000)).onAppStateOperational(ProcessId.ELASTICSEARCH);
assertThat(underTest.isOperational(ProcessId.ELASTICSEARCH, true)).isTrue();
assertThat(underTest.isOperational(ProcessId.APP, true)).isFalse();
assertThat(underTest.isOperational(ProcessId.WEB_SERVER, true)).isFalse();
assertThat(underTest.isOperational(ProcessId.COMPUTE_ENGINE, true)).isFalse();
}
}
@Test
public void tryToReleaseWebLeaderLock_shouldReleaseLock() {
try (ClusterAppStateImpl underTest = createClusterAppState()) {
underTest.tryToLockWebLeader();
assertThat(underTest.getLeaderHostName()).isPresent();
underTest.tryToReleaseWebLeaderLock();
assertThat(underTest.getLeaderHostName()).isEmpty();
}
}
@Test
public void check_if_elasticsearch_is_operational_on_cluster() {
AppStateListener listener = mock(AppStateListener.class);
EsConnector esConnectorMock = mock(EsConnector.class);
when(esConnectorMock.getClusterHealthStatus())
.thenReturn(Optional.empty())
.thenReturn(Optional.of(ClusterHealthStatus.RED))
.thenReturn(Optional.of(ClusterHealthStatus.GREEN));
try (ClusterAppStateImpl underTest = createClusterAppState(esConnectorMock)) {
underTest.addListener(listener);
underTest.isOperational(ProcessId.ELASTICSEARCH, false);
//wait until undergoing thread marks ES as operational
verify(listener, timeout(20_000)).onAppStateOperational(ProcessId.ELASTICSEARCH);
}
}
@Test
public void isOperational_whenElasticsearchException_tryAgain() {
EsConnector esConnectorMock = mock();
doThrow(new ElasticsearchException("failed to connect")).when(esConnectorMock).getClusterHealthStatus();
try (ClusterAppStateImpl underTest = createClusterAppState(esConnectorMock)) {
boolean operational = underTest.isOperational(ProcessId.ELASTICSEARCH, false);
assertThat(operational).isFalse();
}
}
@Test
public void constructor_checks_appNodesClusterHostsConsistency() {
AppNodesClusterHostsConsistency clusterHostsConsistency = mock(AppNodesClusterHostsConsistency.class);
try (ClusterAppStateImpl underTest = new ClusterAppStateImpl(new TestAppSettings(), newHzMember(),
mock(EsConnector.class), clusterHostsConsistency)) {
verify(clusterHostsConsistency).check();
}
}
@Test
public void registerSonarQubeVersion_publishes_version_on_first_call() {
try (ClusterAppStateImpl underTest = createClusterAppState()) {
underTest.registerSonarQubeVersion("6.4.1.5");
assertThat((String) underTest.getHazelcastMember().getAtomicReference(SONARQUBE_VERSION).get())
.isEqualTo("6.4.1.5");
}
}
@Test
public void registerClusterName_publishes_clusterName_on_first_call() {
try (ClusterAppStateImpl underTest = createClusterAppState()) {
underTest.registerClusterName("foo");
assertThat((String) underTest.getHazelcastMember().getAtomicReference(CLUSTER_NAME).get())
.isEqualTo("foo");
}
}
@Test
public void reset_always_throws_ISE() {
try (ClusterAppStateImpl underTest = createClusterAppState()) {
assertThatThrownBy(underTest::reset)
.isInstanceOf(IllegalStateException.class)
.hasMessageContaining("state reset is not supported in cluster mode");
}
}
@Test
public void registerSonarQubeVersion_throws_ISE_if_initial_version_is_different() {
// Now launch an instance that try to be part of the hzInstance cluster
try (ClusterAppStateImpl underTest = createClusterAppState()) {
// Register first version
underTest.getHazelcastMember().getAtomicReference(SONARQUBE_VERSION).set("6.6.0.1111");
// Registering a second different version must trigger an exception
assertThatThrownBy(() -> underTest.registerSonarQubeVersion("6.7.0.9999"))
.isInstanceOf(IllegalStateException.class)
.hasMessageContaining("The local version 6.7.0.9999 is not the same as the cluster 6.6.0.1111");
}
}
@Test
public void registerClusterName_throws_MessageException_if_clusterName_is_different() {
try (ClusterAppStateImpl underTest = createClusterAppState()) {
// Register first version
underTest.getHazelcastMember().getAtomicReference(CLUSTER_NAME).set("goodClusterName");
// Registering a second different cluster name must trigger an exception
assertThatThrownBy(() -> underTest.registerClusterName("badClusterName"))
.isInstanceOf(MessageException.class)
.hasMessage("This node has a cluster name [badClusterName], which does not match [goodClusterName] from the cluster");
}
}
@Test
public void return_hostname_if_node_is_leader() {
try (ClusterAppStateImpl underTest = createClusterAppState()) {
underTest.tryToLockWebLeader();
Optional<String> hostname = underTest.getLeaderHostName();
assertThat(hostname).isNotEmpty();
}
}
@Test
public void return_null_if_node_is_not_leader() {
try (ClusterAppStateImpl underTest = createClusterAppState()) {
Optional<String> hostname = underTest.getLeaderHostName();
assertThat(hostname).isEmpty();
}
}
private ClusterAppStateImpl createClusterAppState() {
return createClusterAppState(mock(EsConnector.class));
}
private ClusterAppStateImpl createClusterAppState(EsConnector esConnector) {
return new ClusterAppStateImpl(new TestAppSettings(), newHzMember(), esConnector, mock(AppNodesClusterHostsConsistency.class));
}
private static HazelcastMember newHzMember() {
// use loopback for support of offline builds
InetAddress loopback = InetAddress.getLoopbackAddress();
return new HazelcastMemberBuilder(JoinConfigurationType.TCP_IP)
.setProcessId(ProcessId.COMPUTE_ENGINE)
.setNodeName("bar")
.setPort(NetworkUtilsImpl.INSTANCE.getNextLoopbackAvailablePort())
.setMembers(loopback.getHostAddress())
.setNetworkInterface(loopback.getHostAddress())
.build();
}
}
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