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- /*
- * SonarQube
- * Copyright (C) 2009-2021 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.health;
-
- import com.google.common.collect.ImmutableSet;
- import java.util.HashMap;
- import java.util.Map;
- import java.util.Random;
- import java.util.UUID;
- import java.util.stream.IntStream;
- import org.junit.Rule;
- import org.junit.Test;
- import org.junit.rules.ExpectedException;
- import org.slf4j.event.Level;
- import org.sonar.process.LoggingRule;
- import org.sonar.process.cluster.hz.HazelcastMember;
-
- import static java.util.Collections.singleton;
- import static org.apache.commons.lang.RandomStringUtils.randomAlphanumeric;
- import static org.assertj.core.api.Assertions.assertThat;
- import static org.mockito.Mockito.doReturn;
- import static org.mockito.Mockito.mock;
- import static org.mockito.Mockito.verify;
- import static org.mockito.Mockito.verifyNoMoreInteractions;
- import static org.mockito.Mockito.when;
- import static org.sonar.process.cluster.health.NodeDetails.newNodeDetailsBuilder;
- import static org.sonar.process.cluster.health.NodeHealth.newNodeHealthBuilder;
-
- public class SharedHealthStateImplTest {
- private static final String MAP_SQ_HEALTH_STATE = "sq_health_state";
-
- @Rule
- public ExpectedException expectedException = ExpectedException.none();
- @Rule
- public LoggingRule logging = new LoggingRule(SharedHealthStateImpl.class);
-
- private final Random random = new Random();
- private long clusterTime = 99 + Math.abs(random.nextInt(9621));
- private HazelcastMember hazelcastMember = mock(HazelcastMember.class);
- private SharedHealthStateImpl underTest = new SharedHealthStateImpl(hazelcastMember);
-
- @Test
- public void write_fails_with_NPE_if_arg_is_null() {
- expectedException.expect(NullPointerException.class);
- expectedException.expectMessage("nodeHealth can't be null");
-
- underTest.writeMine(null);
- }
-
- @Test
- public void write_put_arg_into_map_sq_health_state_under_current_client_uuid() {
- NodeHealth nodeHealth = randomNodeHealth();
- Map<UUID, TimestampedNodeHealth> map = new HashMap<>();
- doReturn(map).when(hazelcastMember).getReplicatedMap(MAP_SQ_HEALTH_STATE);
- long clusterTime = random.nextLong();
- UUID uuid = UUID.randomUUID();
- when(hazelcastMember.getUuid()).thenReturn(uuid);
- when(hazelcastMember.getClusterTime()).thenReturn(clusterTime);
-
- underTest.writeMine(nodeHealth);
-
- assertThat(map).hasSize(1);
- assertThat(map.get(uuid)).isEqualTo(new TimestampedNodeHealth(nodeHealth, clusterTime));
- assertThat(logging.getLogs()).isEmpty();
- }
-
- @Test
- public void write_logs_map_sq_health_state_content_and_NodeHealth_to_be_added_if_TRACE() {
- logging.setLevel(Level.TRACE);
- NodeHealth newNodeHealth = randomNodeHealth();
- Map<String, TimestampedNodeHealth> map = new HashMap<>();
- map.put(randomAlphanumeric(4), new TimestampedNodeHealth(randomNodeHealth(), random.nextLong()));
- doReturn(new HashMap<>(map)).when(hazelcastMember).getReplicatedMap(MAP_SQ_HEALTH_STATE);
- UUID uuid = UUID.randomUUID();
- when(hazelcastMember.getUuid()).thenReturn(uuid);
-
- underTest.writeMine(newNodeHealth);
-
- assertThat(logging.getLogs()).hasSize(1);
- assertThat(logging.hasLog(Level.TRACE, "Reading " + map + " and adding " + newNodeHealth)).isTrue();
- }
-
- @Test
- public void readAll_returns_all_NodeHealth_in_map_sq_health_state_for_existing_client_uuids_aged_less_than_30_seconds() {
- NodeHealth[] nodeHealths = IntStream.range(0, 1 + random.nextInt(6)).mapToObj(i -> randomNodeHealth()).toArray(NodeHealth[]::new);
- Map<UUID, TimestampedNodeHealth> allNodeHealths = new HashMap<>();
- Map<UUID, NodeHealth> expected = new HashMap<>();
- for (NodeHealth nodeHealth : nodeHealths) {
- UUID memberUuid = UUID.randomUUID();
- TimestampedNodeHealth timestampedNodeHealth = new TimestampedNodeHealth(nodeHealth, clusterTime - random.nextInt(30 * 1000));
- allNodeHealths.put(memberUuid, timestampedNodeHealth);
- if (random.nextBoolean()) {
- expected.put(memberUuid, nodeHealth);
- }
- }
- doReturn(allNodeHealths).when(hazelcastMember).getReplicatedMap(MAP_SQ_HEALTH_STATE);
- when(hazelcastMember.getMemberUuids()).thenReturn(expected.keySet());
- when(hazelcastMember.getClusterTime()).thenReturn(clusterTime);
-
- assertThat(underTest.readAll())
- .containsOnly(expected.values().toArray(new NodeHealth[0]));
- assertThat(logging.getLogs()).isEmpty();
- }
-
- @Test
- public void readAll_ignores_NodeHealth_of_30_seconds_before_cluster_time() {
- NodeHealth nodeHealth = randomNodeHealth();
- Map<UUID, TimestampedNodeHealth> map = new HashMap<>();
- UUID memberUuid = UUID.randomUUID();
- TimestampedNodeHealth timestampedNodeHealth = new TimestampedNodeHealth(nodeHealth, clusterTime - 30 * 1000);
- map.put(memberUuid, timestampedNodeHealth);
- doReturn(map).when(hazelcastMember).getReplicatedMap(MAP_SQ_HEALTH_STATE);
- when(hazelcastMember.getMemberUuids()).thenReturn(map.keySet());
- when(hazelcastMember.getClusterTime()).thenReturn(clusterTime);
-
- assertThat(underTest.readAll()).isEmpty();
- }
-
- @Test
- public void readAll_ignores_NodeHealth_of_more_than_30_seconds_before_cluster_time() {
- NodeHealth nodeHealth = randomNodeHealth();
- Map<UUID, TimestampedNodeHealth> map = new HashMap<>();
- UUID memberUuid = UUID.randomUUID();
- TimestampedNodeHealth timestampedNodeHealth = new TimestampedNodeHealth(nodeHealth, clusterTime - 30 * 1000 - random.nextInt(99));
- map.put(memberUuid, timestampedNodeHealth);
- doReturn(map).when(hazelcastMember).getReplicatedMap(MAP_SQ_HEALTH_STATE);
- when(hazelcastMember.getMemberUuids()).thenReturn(map.keySet());
- when(hazelcastMember.getClusterTime()).thenReturn(clusterTime);
-
- assertThat(underTest.readAll()).isEmpty();
- }
-
- @Test
- public void readAll_logs_map_sq_health_state_content_and_the_content_effectively_returned_if_TRACE() {
- logging.setLevel(Level.TRACE);
- Map<UUID, TimestampedNodeHealth> map = new HashMap<>();
- UUID uuid = UUID.randomUUID();
- NodeHealth nodeHealth = randomNodeHealth();
- map.put(uuid, new TimestampedNodeHealth(nodeHealth, clusterTime - 1));
- when(hazelcastMember.getClusterTime()).thenReturn(clusterTime);
- when(hazelcastMember.getMemberUuids()).thenReturn(singleton(uuid));
- doReturn(map).when(hazelcastMember).getReplicatedMap(MAP_SQ_HEALTH_STATE);
-
- underTest.readAll();
-
- assertThat(logging.getLogs()).hasSize(1);
- assertThat(logging.hasLog(Level.TRACE, "Reading " + new HashMap<>(map) + " and keeping " + singleton(nodeHealth))).isTrue();
- }
-
- @Test
- public void readAll_logs_message_for_each_non_existing_member_ignored_if_TRACE() {
- logging.setLevel(Level.TRACE);
- Map<String, TimestampedNodeHealth> map = new HashMap<>();
- String memberUuid1 = randomAlphanumeric(44);
- String memberUuid2 = randomAlphanumeric(44);
- map.put(memberUuid1, new TimestampedNodeHealth(randomNodeHealth(), clusterTime - 1));
- map.put(memberUuid2, new TimestampedNodeHealth(randomNodeHealth(), clusterTime - 1));
- when(hazelcastMember.getClusterTime()).thenReturn(clusterTime);
- doReturn(map).when(hazelcastMember).getReplicatedMap(MAP_SQ_HEALTH_STATE);
-
- underTest.readAll();
-
- assertThat(logging.getLogs()).hasSize(3);
- assertThat(logging.getLogs(Level.TRACE))
- .containsOnly(
- "Reading " + new HashMap<>(map) + " and keeping []",
- "Ignoring NodeHealth of member " + memberUuid1 + " because it is not part of the cluster at the moment",
- "Ignoring NodeHealth of member " + memberUuid2 + " because it is not part of the cluster at the moment");
- }
-
- @Test
- public void readAll_logs_message_for_each_timed_out_NodeHealth_ignored_if_TRACE() {
- logging.setLevel(Level.TRACE);
- Map<UUID, TimestampedNodeHealth> map = new HashMap<>();
- UUID memberUuid1 = UUID.randomUUID();
- UUID memberUuid2 = UUID.randomUUID();
- map.put(memberUuid1, new TimestampedNodeHealth(randomNodeHealth(), clusterTime - 30 * 1000));
- map.put(memberUuid2, new TimestampedNodeHealth(randomNodeHealth(), clusterTime - 30 * 1000));
- doReturn(map).when(hazelcastMember).getReplicatedMap(MAP_SQ_HEALTH_STATE);
- when(hazelcastMember.getMemberUuids()).thenReturn(ImmutableSet.of(memberUuid1, memberUuid2));
- when(hazelcastMember.getClusterTime()).thenReturn(clusterTime);
-
- underTest.readAll();
-
- assertThat(logging.getLogs()).hasSize(3);
- assertThat(logging.getLogs(Level.TRACE))
- .containsOnly(
- "Reading " + new HashMap<>(map) + " and keeping []",
- "Ignoring NodeHealth of member " + memberUuid1 + " because it is too old",
- "Ignoring NodeHealth of member " + memberUuid2 + " because it is too old");
- }
-
- @Test
- public void clearMine_clears_entry_into_map_sq_health_state_under_current_client_uuid() {
- Map<UUID, TimestampedNodeHealth> map = mock(Map.class);
- doReturn(map).when(hazelcastMember).getReplicatedMap(MAP_SQ_HEALTH_STATE);
- UUID uuid = UUID.randomUUID();
- when(hazelcastMember.getUuid()).thenReturn(uuid);
-
- underTest.clearMine();
-
- verify(map).remove(uuid);
- verifyNoMoreInteractions(map);
- assertThat(logging.getLogs()).isEmpty();
- }
-
- @Test
- public void clearMine_logs_map_sq_health_state_and_current_client_uuid_if_TRACE() {
- logging.setLevel(Level.TRACE);
- Map<UUID, TimestampedNodeHealth> map = new HashMap<>();
- map.put(UUID.randomUUID(), new TimestampedNodeHealth(randomNodeHealth(), random.nextLong()));
- doReturn(map).when(hazelcastMember).getReplicatedMap(MAP_SQ_HEALTH_STATE);
- UUID uuid = UUID.randomUUID();
- when(hazelcastMember.getUuid()).thenReturn(uuid);
-
- underTest.clearMine();
-
- assertThat(logging.getLogs()).hasSize(1);
- assertThat(logging.hasLog(Level.TRACE, "Reading " + map + " and clearing for " + uuid)).isTrue();
- }
-
- private NodeHealth randomNodeHealth() {
- return newNodeHealthBuilder()
- .setStatus(NodeHealth.Status.values()[random.nextInt(NodeHealth.Status.values().length)])
- .setDetails(newNodeDetailsBuilder()
- .setType(random.nextBoolean() ? NodeDetails.Type.SEARCH : NodeDetails.Type.APPLICATION)
- .setName(randomAlphanumeric(30))
- .setHost(randomAlphanumeric(10))
- .setPort(1 + random.nextInt(666))
- .setStartedAt(1 + random.nextInt(852))
- .build())
- .build();
- }
- }
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