Examples with Broker io.camunda.zeebe.broker.Broker used on opensource projects

Example 1 with Broker

use of io.camunda.zeebe.broker.Broker in project zeebe by camunda.

the class EmbeddedBrokerRule method startBroker.

public void startBroker(final PartitionListener... listeners) {
    if (brokerCfg == null) {
        try (final InputStream configStream = configSupplier.get()) {
            if (configStream == null) {
                brokerCfg = new BrokerCfg();
            } else {
                brokerCfg = new TestConfigurationFactory().create(null, "zeebe.broker", configStream, BrokerCfg.class);
            }
            configureBroker(brokerCfg);
        } catch (final IOException e) {
            throw new RuntimeException("Unable to open configuration", e);
        }
    }
    systemContext = new SystemContext(brokerCfg, newTemporaryFolder.getAbsolutePath(), controlledActorClock);
    systemContext.getScheduler().start();
    final var additionalListeners = new ArrayList<>(Arrays.asList(listeners));
    final CountDownLatch latch = new CountDownLatch(brokerCfg.getCluster().getPartitionsCount());
    additionalListeners.add(new LeaderPartitionListener(latch));
    broker = new Broker(systemContext, springBrokerBridge, additionalListeners);
    broker.start().join();
    try {
        latch.await(INSTALL_TIMEOUT, INSTALL_TIMEOUT_UNIT);
    } catch (final InterruptedException e) {
        LOG.info("Broker was not started in 15 seconds", e);
        Thread.currentThread().interrupt();
    }
    final EmbeddedGatewayService embeddedGatewayService = broker.getBrokerContext().getEmbeddedGatewayService();
    if (embeddedGatewayService != null) {
        final BrokerClient brokerClient = embeddedGatewayService.get().getBrokerClient();
        waitUntil(() -> {
            final BrokerTopologyManager topologyManager = brokerClient.getTopologyManager();
            final BrokerClusterState topology = topologyManager.getTopology();
            return topology != null && topology.getLeaderForPartition(1) >= 0;
        });
    }
    dataDirectory = broker.getSystemContext().getBrokerConfiguration().getData().getDirectory();
}

Example 2 with Broker

use of io.camunda.zeebe.broker.Broker in project zeebe by camunda.

the class ClusteringRule method stopBrokerAndAwaitNewLeader.

public void stopBrokerAndAwaitNewLeader(final int nodeId) {
    final Broker broker = brokers.get(nodeId);
    if (broker != null) {
        final InetSocketAddress socketAddress = broker.getConfig().getNetwork().getCommandApi().getAddress();
        final List<Integer> brokersLeadingPartitions = getBrokersLeadingPartitions(socketAddress);
        stopBroker(nodeId);
        waitForNewLeaderOfPartitions(brokersLeadingPartitions, socketAddress);
    }
}

Example 3 with Broker

use of io.camunda.zeebe.broker.Broker in project zeebe by camunda.

the class ClusteringRule method forceClusterToHaveNewLeader.

public void forceClusterToHaveNewLeader(final int expectedLeader) {
    final var previousLeader = getCurrentLeaderForPartition(1);
    if (previousLeader.getNodeId() == expectedLeader) {
        return;
    }
    final var broker = brokers.get(expectedLeader);
    final var atomix = broker.getBrokerContext().getClusterServices();
    final MemberId nodeId = atomix.getMembershipService().getLocalMember().id();
    final var raftPartition = broker.getBrokerContext().getPartitionManager().getPartitionGroup().getPartitions().stream().filter(partition -> partition.members().contains(nodeId)).filter(partition -> partition.id().id() == START_PARTITION_ID).map(RaftPartition.class::cast).findFirst().orElseThrow();
    raftPartition.getServer().promote().join();
    awaitOtherLeader(START_PARTITION_ID, previousLeader.getNodeId());
}

Example 4 with Broker

use of io.camunda.zeebe.broker.Broker in project zeebe by camunda.

the class ClusteringRule method startBroker.

public void startBroker(final int nodeId) {
    final Broker broker = getBroker(nodeId).start().join();
    final InetSocketAddress commandApi = broker.getConfig().getNetwork().getCommandApi().getAddress();
    waitUntilBrokerIsAddedToTopology(commandApi);
    waitForPartitionReplicationFactor();
}

Example 5 with Broker

use of io.camunda.zeebe.broker.Broker in project zeebe by camunda.

the class EmbeddedBrokerRule method startBroker.

public void startBroker() {
    systemContext = new SystemContext(brokerCfg, newTemporaryFolder.getAbsolutePath(), controlledActorClock);
    systemContext.getScheduler().start();
    final CountDownLatch latch = new CountDownLatch(brokerCfg.getCluster().getPartitionsCount());
    broker = new Broker(systemContext, springBrokerBridge, Collections.singletonList(new LeaderPartitionListener(latch)));
    broker.start().join();
    try {
        final boolean hasLeaderPartition = latch.await(timeout.toMillis(), TimeUnit.MILLISECONDS);
        assertThat(hasLeaderPartition).describedAs("Expected the broker to have a leader of the partition within %s", timeout).isTrue();
    } catch (final InterruptedException e) {
        LOG.info("Timeout. Broker was not started within {}", timeout, e);
        Thread.currentThread().interrupt();
    }
    final EmbeddedGatewayService embeddedGatewayService = broker.getBrokerContext().getEmbeddedGatewayService();
    if (embeddedGatewayService != null) {
        final BrokerClient brokerClient = embeddedGatewayService.get().getBrokerClient();
        waitUntil(() -> {
            final BrokerTopologyManager topologyManager = brokerClient.getTopologyManager();
            final BrokerClusterState topology = topologyManager.getTopology();
            return topology != null && topology.getLeaderForPartition(1) >= 0;
        });
    }
}