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

Example 11 with VotingConfiguration

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

the class CoordinationStateTests method testSetInitialState.

public void testSetInitialState() {
    VotingConfiguration initialConfig = new VotingConfiguration(Collections.singleton(node1.getId()));
    ClusterState state1 = clusterState(0L, 0L, node1, initialConfig, initialConfig, 42L);
    assertTrue(state1.getLastAcceptedConfiguration().hasQuorum(Collections.singleton(node1.getId())));
    assertTrue(state1.getLastCommittedConfiguration().hasQuorum(Collections.singleton(node1.getId())));
    cs1.setInitialState(state1);
    assertThat(cs1.getLastAcceptedState(), equalTo(state1));
}

Example 12 with VotingConfiguration

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

the class CoordinationStateTests method testSetInitialStateWhenAlreadySet.

public void testSetInitialStateWhenAlreadySet() {
    VotingConfiguration initialConfig = new VotingConfiguration(Collections.singleton(node1.getId()));
    ClusterState state1 = clusterState(0L, 0L, node1, initialConfig, initialConfig, 42L);
    assertTrue(state1.getLastAcceptedConfiguration().hasQuorum(Collections.singleton(node1.getId())));
    assertTrue(state1.getLastCommittedConfiguration().hasQuorum(Collections.singleton(node1.getId())));
    cs1.setInitialState(state1);
    assertThat(expectThrows(CoordinationStateRejectedException.class, () -> cs1.setInitialState(state1)).getMessage(), containsString("initial state already set"));
}

Example 13 with VotingConfiguration

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

the class CoordinationStateTests method testHandleClientValueWithIllegalCommittedConfigurationChange.

public void testHandleClientValueWithIllegalCommittedConfigurationChange() {
    assumeTrue("test only works with assertions enabled", Assertions.ENABLED);
    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);
    Join v2 = cs2.handleStartJoin(startJoinRequest1);
    assertTrue(cs1.handleJoin(v1));
    assertTrue(cs1.electionWon());
    assertTrue(cs1.handleJoin(v2));
    VotingConfiguration newConfig = new VotingConfiguration(Collections.singleton(node2.getId()));
    ClusterState state2 = clusterState(startJoinRequest1.getTerm(), 2L, node1, newConfig, newConfig, 42L);
    assertThat(expectThrows(AssertionError.class, () -> cs1.handleClientValue(state2)).getMessage(), containsString("last committed configuration should not change"));
}

Example 14 with VotingConfiguration

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

the class CoordinationStateTests method testHandlePublishResponseWhenSteppedDownAsLeader.

public void testHandlePublishResponseWhenSteppedDownAsLeader() {
    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);
    assertTrue(cs1.handleJoin(v1));
    assertTrue(cs1.electionWon());
    ClusterState state2 = clusterState(startJoinRequest1.getTerm(), 2L, node1, initialConfig, initialConfig, 42L);
    PublishRequest publishRequest = cs1.handleClientValue(state2);
    PublishResponse publishResponse = cs1.handlePublishRequest(publishRequest);
    StartJoinRequest startJoinRequest2 = new StartJoinRequest(node1, randomLongBetween(startJoinRequest1.getTerm() + 1, 10));
    cs1.handleStartJoin(startJoinRequest2);
    assertThat(expectThrows(CoordinationStateRejectedException.class, () -> cs1.handlePublishResponse(randomFrom(node1, node2, node3), publishResponse)).getMessage(), containsString("election not won"));
}

Example 15 with VotingConfiguration

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

the class CoordinationStateTests method testJoinWithSameLastAcceptedTermButLowerOrSameVersionWinsElection.

public void testJoinWithSameLastAcceptedTermButLowerOrSameVersionWinsElection() {
    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 join = new Join(node1, node1, v1.getTerm(), state2.term(), randomLongBetween(0, state2.version()));
    assertTrue(cs1.handleJoin(join));
    assertTrue(cs1.electionWon());
    assertTrue(cs1.containsJoinVoteFor(node1));
    assertFalse(cs1.containsJoinVoteFor(node2));
    assertEquals(cs1.getLastPublishedVersion(), cs1.getLastAcceptedVersion());
    assertFalse(cs1.handleJoin(join));
}