Examples with VotingConfiguration org.elasticsearch.cluster.coordination.CoordinationMetadata.VotingConfiguration used on opensource projects

Example 56 with VotingConfiguration

use of org.elasticsearch.cluster.coordination.CoordinationMetadata.VotingConfiguration in project crate by crate.

the class CoordinationStateTests method testJoinWithSameAcceptedTermButHigherVersion.

public void testJoinWithSameAcceptedTermButHigherVersion() {
    VotingConfiguration initialConfig = new VotingConfiguration(Collections.singleton(node1.getId()));
    ClusterState state1 = clusterState(0L, 0L, node1, initialConfig, initialConfig, 42L);
    cs1.setInitialState(state1);
    StartJoinRequest startJoinRequest1 = new StartJoinRequest(node2, randomLongBetween(1, 5));
    cs1.handleStartJoin(startJoinRequest1);
    ClusterState state2 = clusterState(startJoinRequest1.getTerm(), randomLongBetween(2, 20), node1, initialConfig, initialConfig, 42L);
    cs1.handlePublishRequest(new PublishRequest(state2));
    StartJoinRequest startJoinRequest2 = new StartJoinRequest(node2, randomLongBetween(startJoinRequest1.getTerm() + 1, 10));
    Join v1 = cs1.handleStartJoin(startJoinRequest2);
    Join badJoin = new Join(randomFrom(node1, node2), node1, v1.getTerm(), state2.term(), randomLongBetween(state2.version() + 1, 30));
    assertThat(expectThrows(CoordinationStateRejectedException.class, () -> cs1.handleJoin(badJoin)).getMessage(), containsString("higher than current last accepted version"));
}

Example 57 with VotingConfiguration

use of org.elasticsearch.cluster.coordination.CoordinationMetadata.VotingConfiguration in project crate by crate.

the class CoordinationStateTests method testHandleClientValueWithBadTerm.

public void testHandleClientValueWithBadTerm() {
    VotingConfiguration initialConfig = new VotingConfiguration(Collections.singleton(node1.getId()));
    ClusterState state1 = clusterState(0L, 0L, node1, initialConfig, initialConfig, 42L);
    cs1.setInitialState(state1);
    StartJoinRequest startJoinRequest1 = new StartJoinRequest(node1, randomLongBetween(3, 5));
    Join v1 = cs1.handleStartJoin(startJoinRequest1);
    assertTrue(cs1.handleJoin(v1));
    assertTrue(cs1.electionWon());
    long term = randomBoolean() ? randomLongBetween(startJoinRequest1.getTerm() + 1, 10) : randomLongBetween(0, startJoinRequest1.getTerm() - 1);
    ClusterState state2 = clusterState(term, 2L, node1, initialConfig, initialConfig, 42L);
    assertThat(expectThrows(CoordinationStateRejectedException.class, () -> cs1.handleClientValue(state2)).getMessage(), containsString("does not match current term"));
}

Example 58 with VotingConfiguration

use of org.elasticsearch.cluster.coordination.CoordinationMetadata.VotingConfiguration in project crate by crate.

the class CoordinationStateTests method testHandlePublishRequestWithSameTermButOlderOrSameVersion.

// scenario when handling a publish request from a master that we already received a newer state from
public void testHandlePublishRequestWithSameTermButOlderOrSameVersion() {
    VotingConfiguration initialConfig = new VotingConfiguration(Collections.singleton(node1.getId()));
    ClusterState state1 = clusterState(0L, 0L, node1, initialConfig, initialConfig, 42L);
    cs1.setInitialState(state1);
    StartJoinRequest startJoinRequest1 = new StartJoinRequest(node1, randomLongBetween(1, 5));
    Join v1 = cs1.handleStartJoin(startJoinRequest1);
    if (randomBoolean()) {
        assertTrue(cs1.handleJoin(v1));
        assertTrue(cs1.electionWon());
    }
    ClusterState state2 = clusterState(startJoinRequest1.getTerm(), randomLongBetween(2, 10), node1, initialConfig, initialConfig, 42L);
    cs1.handlePublishRequest(new PublishRequest(state2));
    ClusterState state3 = clusterState(startJoinRequest1.getTerm(), randomLongBetween(0, state2.version()), node1, initialConfig, initialConfig, 42L);
    assertThat(expectThrows(CoordinationStateRejectedException.class, () -> cs1.handlePublishRequest(new PublishRequest(state3))).getMessage(), containsString("lower or equal to current version"));
}

Example 59 with VotingConfiguration

use of org.elasticsearch.cluster.coordination.CoordinationMetadata.VotingConfiguration in project crate by crate.

the class CoordinationStateTests method testHandlePublishRequestWithTermHigherThanLastAcceptedTerm.

// scenario when handling a publish request from a fresh master
public void testHandlePublishRequestWithTermHigherThanLastAcceptedTerm() {
    VotingConfiguration initialConfig = new VotingConfiguration(Collections.singleton(node1.getId()));
    StartJoinRequest startJoinRequest1 = new StartJoinRequest(node1, randomLongBetween(1, 5));
    ClusterState state1 = clusterState(startJoinRequest1.getTerm(), randomLongBetween(2, 10), node1, initialConfig, initialConfig, 42L);
    cs2.handleStartJoin(startJoinRequest1);
    cs2.handlePublishRequest(new PublishRequest(state1));
    StartJoinRequest startJoinRequest2 = new StartJoinRequest(node1, randomLongBetween(startJoinRequest1.getTerm() + 1, 10));
    cs2.handleStartJoin(startJoinRequest2);
    ClusterState state2 = clusterState(startJoinRequest2.getTerm(), randomLongBetween(0, 20), node1, initialConfig, initialConfig, 42L);
    cs2.handlePublishRequest(new PublishRequest(state2));
}

Example 60 with VotingConfiguration

use of org.elasticsearch.cluster.coordination.CoordinationMetadata.VotingConfiguration in project crate by crate.

the class CoordinationStateTests method testJoinDoesNotWinElectionWhenOnlyCommittedConfigQuorum.

public void testJoinDoesNotWinElectionWhenOnlyCommittedConfigQuorum() {
    VotingConfiguration configNode1 = new VotingConfiguration(Collections.singleton(node1.getId()));
    VotingConfiguration configNode2 = new VotingConfiguration(Collections.singleton(node2.getId()));
    ClusterState state1 = clusterState(0L, 0L, node1, configNode1, configNode2, 42L);
    cs1.setInitialState(state1);
    StartJoinRequest startJoinRequest = new StartJoinRequest(node1, randomLongBetween(1, 5));
    Join join = cs1.handleStartJoin(startJoinRequest);
    assertTrue(cs1.handleJoin(join));
    assertFalse(cs1.electionWon());
    assertEquals(cs1.getLastPublishedVersion(), 0L);
    assertFalse(cs1.handleJoin(join));
}