Examples with MiniRaftCluster org.apache.ratis.MiniRaftCluster used on opensource projects

Example 1 with MiniRaftCluster

use of org.apache.ratis.MiniRaftCluster in project incubator-ratis by apache.

the class ParameterizedBaseTest method setAndStart.

/**
 * Set {@link #currentCluster} to the given cluster and start it if {@link #currentCluster} is changed.
 */
public static void setAndStart(MiniRaftCluster cluster) throws InterruptedException {
    final MiniRaftCluster previous = currentCluster.getAndSet(cluster);
    if (previous != cluster) {
        if (previous != null) {
            previous.shutdown();
        }
        cluster.start();
        RaftTestUtil.waitForLeader(cluster);
    }
}

Example 2 with MiniRaftCluster

use of org.apache.ratis.MiniRaftCluster in project incubator-ratis by apache.

the class LeaderElectionTests method testEnforceLeader.

@Test
public void testEnforceLeader() throws Exception {
    final int numServer = 3;
    LOG.info("Running testEnforceLeader");
    final String leader = "s" + ThreadLocalRandom.current().nextInt(numServer);
    LOG.info("enforce leader to " + leader);
    final MiniRaftCluster cluster = newCluster(numServer);
    cluster.start();
    waitForLeader(cluster);
    waitForLeader(cluster, leader);
    cluster.shutdown();
}

Example 3 with MiniRaftCluster

use of org.apache.ratis.MiniRaftCluster in project incubator-ratis by apache.

the class LeaderElectionTests method testChangeLeader.

@Test
public void testChangeLeader() throws Exception {
    RaftStorageTestUtils.setRaftLogWorkerLogLevel(Level.TRACE);
    LOG.info("Running testChangeLeader");
    final MiniRaftCluster cluster = newCluster(3);
    cluster.start();
    RaftPeerId leader = RaftTestUtil.waitForLeader(cluster).getId();
    for (int i = 0; i < 10; i++) {
        leader = RaftTestUtil.changeLeader(cluster, leader);
        ExitUtils.assertNotTerminated();
    }
    RaftStorageTestUtils.setRaftLogWorkerLogLevel(Level.INFO);
    cluster.shutdown();
}

Example 4 with MiniRaftCluster

use of org.apache.ratis.MiniRaftCluster in project incubator-ratis by apache.

the class LeaderElectionTests method testBasicLeaderElection.

@Test
public void testBasicLeaderElection() throws Exception {
    LOG.info("Running testBasicLeaderElection");
    final MiniRaftCluster cluster = newCluster(5);
    cluster.start();
    waitAndKillLeader(cluster, true);
    waitAndKillLeader(cluster, true);
    waitAndKillLeader(cluster, true);
    waitAndKillLeader(cluster, false);
    cluster.shutdown();
}

Example 5 with MiniRaftCluster

use of org.apache.ratis.MiniRaftCluster in project incubator-ratis by apache.

the class RaftReconfigurationBaseTest method testAddPeers.

/**
 * add 2 new peers (3 peers -> 5 peers), no leader change
 */
@Test
public void testAddPeers() throws Exception {
    LOG.info("Start testAddPeers");
    MiniRaftCluster cluster = getCluster(3);
    cluster.start();
    try {
        RaftTestUtil.waitForLeader(cluster);
        // add new peers
        RaftPeer[] allPeers = cluster.addNewPeers(2, true).allPeersInNewConf;
        // trigger setConfiguration
        cluster.setConfiguration(allPeers);
        // wait for the new configuration to take effect
        waitAndCheckNewConf(cluster, allPeers, 0, null);
    } finally {
        cluster.shutdown();
    }
}