Examples with Node org.apache.asterix.event.schema.cluster.Node used on opensource projects

Example 36 with Node

use of org.apache.asterix.event.schema.cluster.Node in project asterixdb by apache.

the class AsterixEventServiceUtil method getMetadataNode.

private static Node getMetadataNode(String asterixInstanceName, Cluster cluster) {
    Node metadataNode = null;
    if (cluster.getMetadataNode() != null) {
        for (Node node : cluster.getNode()) {
            if (node.getId().equals(cluster.getMetadataNode())) {
                metadataNode = node;
                break;
            }
        }
    } else {
        Random random = new Random();
        int nNodes = cluster.getNode().size();
        metadataNode = cluster.getNode().get(random.nextInt(nNodes));
    }
    return metadataNode;
}

Example 37 with Node

use of org.apache.asterix.event.schema.cluster.Node in project asterixdb by apache.

the class ReplicationManager method sendShutdownNotifiction.

/**
     * Sends a shutdown event to remote replicas notifying them
     * no more logs/files will be sent from this local replica.
     *
     * @throws IOException
     */
private void sendShutdownNotifiction() throws IOException {
    Node node = new Node();
    node.setId(nodeId);
    node.setClusterIp(NetworkingUtil.getHostAddress(hostIPAddressFirstOctet));
    Replica replica = new Replica(node);
    ReplicaEvent event = new ReplicaEvent(replica, ClusterEventType.NODE_SHUTTING_DOWN);
    ByteBuffer buffer = ReplicationProtocol.writeReplicaEventRequest(event);
    Map<String, SocketChannel> replicaSockets = getActiveRemoteReplicasSockets();
    sendRequest(replicaSockets, buffer);
    closeReplicaSockets(replicaSockets);
}

Example 38 with Node

use of org.apache.asterix.event.schema.cluster.Node in project asterixdb by apache.

the class ValidateConfig method validateCluster.

public boolean validateCluster(String clusterPath) throws Exception {
    boolean valid = true;
    Cluster cluster = null;
    File f = new File(clusterPath);
    List<String> ipAddresses = new ArrayList<String>();
    if (!f.exists() || !f.isFile()) {
        LOGGER.error(" Invalid path " + f.getAbsolutePath() + ERROR);
        valid = false;
    } else {
        cluster = EventUtil.getCluster(clusterPath);
        valid = valid & validateClusterProperties(cluster);
        Set<String> servers = new HashSet<String>();
        Set<String> serverIds = new HashSet<String>();
        servers.add(cluster.getMasterNode().getClusterIp());
        serverIds.add(cluster.getMasterNode().getId());
        MasterNode masterNode = cluster.getMasterNode();
        Node master = new Node(masterNode.getId(), masterNode.getClusterIp(), masterNode.getJavaHome(), masterNode.getLogDir(), null, null, null, null);
        ipAddresses.add(masterNode.getClusterIp());
        valid = valid & validateNodeConfiguration(master, cluster);
        for (Node node : cluster.getNode()) {
            servers.add(node.getClusterIp());
            if (serverIds.contains(node.getId())) {
                valid = false;
                LOGGER.error("Duplicate node id :" + node.getId() + ERROR);
            } else {
                valid = valid & validateNodeConfiguration(node, cluster);
                if (!ipAddresses.contains(node.getClusterIp())) {
                    ipAddresses.add(node.getClusterIp());
                }
            }
        }
        valid = valid & validateReplicationProperties(cluster);
    }
    if (valid) {
        String username = cluster.getUsername();
        if (username == null) {
            username = System.getProperty("user.name");
        }
        valid = checkPasswordLessSSHLogin(username, ipAddresses);
    }
    return valid;
}

Example 39 with Node

use of org.apache.asterix.event.schema.cluster.Node in project asterixdb by apache.

the class StartNodeConfig method execCommand.

@Override
protected void execCommand() throws Exception {
    InstallerDriver.initConfig(true);
    String asterixInstanceName = ((StartNodeConfig) config).name;
    AsterixInstance instance = AsterixEventServiceUtil.validateAsterixInstanceExists(asterixInstanceName, State.INACTIVE, State.ACTIVE, State.UNUSABLE);
    Cluster cluster = instance.getCluster();
    List<Pattern> pl = new ArrayList<Pattern>();
    AsterixRuntimeState runtimeState = VerificationUtil.getAsterixRuntimeState(instance);
    String[] nodesToBeAdded = ((StartNodeConfig) config).nodes.split(",");
    List<String> aliveNodes = new ArrayList<String>();
    for (ProcessInfo p : runtimeState.getProcesses()) {
        aliveNodes.add(p.getNodeId());
    }
    List<Node> clusterNodes = cluster.getNode();
    for (String n : nodesToBeAdded) {
        if (aliveNodes.contains(n)) {
            throw new InstallerException("Node: " + n + " is already alive");
        }
        for (Node node : clusterNodes) {
            if (n.equals(node.getId())) {
                String iodevices = node.getIodevices() == null ? cluster.getIodevices() : node.getIodevices();
                Pattern createNC = PatternCreator.INSTANCE.createNCStartPattern(cluster.getMasterNode().getClusterIp(), node.getId(), asterixInstanceName + "_" + node.getId(), iodevices, false);
                pl.add(createNC);
                break;
            }
        }
    }
    Patterns patterns = new Patterns(pl);
    AsterixEventServiceClient client = AsterixEventService.getAsterixEventServiceClient(cluster);
    client.submit(patterns);
    runtimeState = VerificationUtil.getAsterixRuntimeState(instance);
    VerificationUtil.updateInstanceWithRuntimeDescription(instance, runtimeState, true);
    LOGGER.info(instance.getDescription(false));
    ServiceProvider.INSTANCE.getLookupService().updateAsterixInstance(instance);
}

Example 40 with Node

use of org.apache.asterix.event.schema.cluster.Node in project asterixdb by apache.

the class StopConfig method execCommand.

@Override
protected void execCommand() throws Exception {
    InstallerDriver.initConfig(true);
    String asterixInstanceName = ((StopConfig) config).name;
    AsterixInstance asterixInstance = AsterixEventServiceUtil.validateAsterixInstanceExists(asterixInstanceName, State.ACTIVE, State.UNUSABLE);
    AsterixEventServiceClient client = AsterixEventService.getAsterixEventServiceClient(asterixInstance.getCluster());
    List<Pattern> ncKillPatterns = new ArrayList<Pattern>();
    for (Node node : asterixInstance.getCluster().getNode()) {
        ncKillPatterns.add(PatternCreator.INSTANCE.createNCStopPattern(node.getId(), asterixInstanceName + "_" + node.getId()));
    }
    List<Pattern> ccKillPatterns = new ArrayList<Pattern>();
    ccKillPatterns.add(PatternCreator.INSTANCE.createCCStopPattern(asterixInstance.getCluster().getMasterNode().getId()));
    try {
        client.submit(new Patterns(ncKillPatterns));
        client.submit(new Patterns(ccKillPatterns));
    } catch (Exception e) {
        // processes are already dead
        LOGGER.debug("Attempt to kill non-existing processess");
    }
    asterixInstance.setState(State.INACTIVE);
    asterixInstance.setStateChangeTimestamp(new Date());
    ServiceProvider.INSTANCE.getLookupService().updateAsterixInstance(asterixInstance);
    LOGGER.info("Stopped Asterix instance: " + asterixInstanceName);
}