Examples with ControllerNode org.onosproject.cluster.ControllerNode used on opensource projects

Example 6 with ControllerNode

use of org.onosproject.cluster.ControllerNode in project onos by opennetworkinglab.

the class AtomixClusterStore method addNode.

@Override
public ControllerNode addNode(NodeId nodeId, IpAddress ip, int tcpPort) {
    checkNotNull(nodeId, INSTANCE_ID_NULL);
    ControllerNode node = new DefaultControllerNode(nodeId, ip, tcpPort);
    nodes.put(node.id(), node);
    ControllerNode.State state = node.equals(localNode) ? ControllerNode.State.ACTIVE : ControllerNode.State.INACTIVE;
    Member member = membershipService.getMember(node.id().id());
    member.properties().setProperty(STATE_KEY, state.name());
    notifyDelegate(clusterEvent(ClusterEvent.Type.INSTANCE_ADDED, member, node));
    return node;
}

Example 7 with ControllerNode

use of org.onosproject.cluster.ControllerNode in project onos by opennetworkinglab.

the class AtomixClusterStore method changeMembership.

private void changeMembership(ClusterMembershipEvent event) {
    ControllerNode node = nodes.get(NodeId.nodeId(event.subject().id().id()));
    log.debug("Received a membership event {}", event);
    switch(event.type()) {
        case MEMBER_ADDED:
        case METADATA_CHANGED:
            if (node == null) {
                node = toControllerNode(event.subject());
                nodes.put(node.id(), node);
                notifyDelegate(clusterEvent(ClusterEvent.Type.INSTANCE_ADDED, event.subject(), node));
            }
            updateVersion(node, event.subject());
            updateState(node, event.subject());
            break;
        case MEMBER_REMOVED:
            if (node != null && states.put(node.id(), ControllerNode.State.INACTIVE) != ControllerNode.State.INACTIVE) {
                notifyDelegate(clusterEvent(ClusterEvent.Type.INSTANCE_DEACTIVATED, event.subject(), node));
                notifyDelegate(clusterEvent(ClusterEvent.Type.INSTANCE_REMOVED, event.subject(), node));
            }
            break;
        default:
            break;
    }
}

Example 8 with ControllerNode

use of org.onosproject.cluster.ControllerNode in project onos by opennetworkinglab.

the class PrimitivePerfApp method startTestRun.

private void startTestRun() {
    if (running) {
        return;
    }
    sampleCollector.clearSamples();
    startTime = System.currentTimeMillis();
    currentStartTime = startTime;
    currentCounter = new AtomicLong();
    overallCounter = new AtomicLong();
    reporterTask = new ReporterTask();
    reportTimer.scheduleAtFixedRate(reporterTask, REPORT_PERIOD - currentTimeMillis() % REPORT_PERIOD, REPORT_PERIOD);
    running = true;
    Map<String, ControllerNode> nodes = new TreeMap<>();
    for (ControllerNode node : clusterService.getNodes()) {
        nodes.put(node.id().id(), node);
    }
    // Compute the index of the local node in a sorted list of nodes.
    List<String> sortedNodes = Lists.newArrayList(nodes.keySet());
    int nodeCount = nodes.size();
    int index = sortedNodes.indexOf(nodeId.id());
    // Count the number of workers assigned to this node.
    int workerCount = 0;
    for (int i = 1; i <= numClients; i++) {
        if (i % nodeCount == index) {
            workerCount++;
        }
    }
    // Create a worker pool and start the workers for this node.
    if (workerCount > 0) {
        String[] keys = createStrings(keyLength, numKeys);
        String[] values = createStrings(valueLength, numValues);
        workers = Executors.newFixedThreadPool(workerCount, groupedThreads("onos/primitive-perf", "worker-%d"));
        for (int i = 0; i < workerCount; i++) {
            if (deterministic) {
                workers.submit(new DeterministicRunner(keys, values));
            } else {
                workers.submit(new NonDeterministicRunner(keys, values));
            }
        }
    }
    log.info("Started test run");
}

Example 9 with ControllerNode

use of org.onosproject.cluster.ControllerNode in project onos by opennetworkinglab.

the class MastershipManager method balanceRolesInRegion.

/**
 * Balances the nodes in specified region.
 *
 * @param region               region in which nodes are to be balanced
 * @param allControllerDevices controller nodes to devices map
 * @return controller nodes that were balanced
 */
private Map<ControllerNode, Set<DeviceId>> balanceRolesInRegion(Region region, Map<ControllerNode, Set<DeviceId>> allControllerDevices) {
    // Retrieve all devices associated with specified region
    Set<DeviceId> devicesInRegion = regionService.getRegionDevices(region.id());
    log.info("Region {} has {} devices.", region.id(), devicesInRegion.size());
    if (devicesInRegion.isEmpty()) {
        // no devices in this region, so nothing to balance.
        return new HashMap<>();
    }
    List<Set<NodeId>> mastersList = region.masters();
    log.info("Region {} has {} sets of masters.", region.id(), mastersList.size());
    if (mastersList.isEmpty()) {
        // for now just leave devices alone
        return new HashMap<>();
    }
    // Get the region's preferred set of masters
    Set<DeviceId> devicesInMasters = Sets.newHashSet();
    Map<ControllerNode, Set<DeviceId>> regionalControllerDevices = getRegionsPreferredMasters(region, devicesInMasters, allControllerDevices);
    // Now re-balance the buckets until they are roughly even.
    List<CompletableFuture<Void>> balanceBucketsFutures = Lists.newArrayList();
    balanceControllerNodes(regionalControllerDevices, devicesInMasters.size(), balanceBucketsFutures);
    // Handle devices that are not currently mastered by the master node set
    Set<DeviceId> devicesNotMasteredWithControllers = Sets.difference(devicesInRegion, devicesInMasters);
    if (!devicesNotMasteredWithControllers.isEmpty()) {
        // active controllers in master node set are already balanced, just
        // assign device mastership in sequence
        List<ControllerNode> sorted = new ArrayList<>(regionalControllerDevices.keySet());
        Collections.sort(sorted, Comparator.comparingInt(o -> (regionalControllerDevices.get(o)).size()));
        int deviceIndex = 0;
        for (DeviceId deviceId : devicesNotMasteredWithControllers) {
            ControllerNode cnode = sorted.get(deviceIndex % sorted.size());
            balanceBucketsFutures.add(setRole(cnode.id(), deviceId, MASTER));
            regionalControllerDevices.get(cnode).add(deviceId);
            deviceIndex++;
        }
    }
    CompletableFuture<Void> balanceRolesFuture = allOf(balanceBucketsFutures.toArray(new CompletableFuture[balanceBucketsFutures.size()]));
    Futures.getUnchecked(balanceRolesFuture);
    // Update the map before returning
    regionalControllerDevices.forEach((controllerNode, deviceIds) -> {
        regionalControllerDevices.put(controllerNode, new HashSet<>(getDevicesOf(controllerNode.id())));
    });
    return regionalControllerDevices;
}

Example 10 with ControllerNode

use of org.onosproject.cluster.ControllerNode in project onos by opennetworkinglab.

the class DeviceManager method updateMastershipFor.

/**
 * Update the mastership for this device. If there is a node able
 * to reach the device and this node is the master move the
 * mastership to the next node still connected to this device.
 * If the current node is a backup, it demotes itself to the bottom
 * of the candidates list
 *
 * @param deviceId the device for which we have to update the mastership
 * @return the NodeId of any node that can reach the device, or null if
 * none of the ONOS instances can reach the device
 */
private NodeId updateMastershipFor(DeviceId deviceId) {
    Map<NodeId, CompletableFuture<Boolean>> probes = Maps.newHashMap();
    // Request a probe only if the node is ready
    for (ControllerNode onosNode : clusterService.getNodes()) {
        if (!clusterService.getState(onosNode.id()).isReady() || localNodeId.equals(onosNode.id())) {
            continue;
        }
        probes.put(onosNode.id(), communicationService.sendAndReceive(deviceId, PROBE_SUBJECT, SERIALIZER::encode, SERIALIZER::decode, onosNode.id()));
    }
    // Returns the first node able to reach the device
    // FIXME [SDFAB-935] optimize by looking at the MastershipInfo
    boolean isReachable;
    NodeId nextMaster = null;
    // FIXME Should we expose timeout? Understand if there is need to signal to the caller
    for (Map.Entry<NodeId, CompletableFuture<Boolean>> probe : probes.entrySet()) {
        isReachable = Tools.futureGetOrElse(probe.getValue(), PROBE_TIMEOUT_MILLIS, TimeUnit.MILLISECONDS, Boolean.FALSE);
        if (isReachable) {
            nextMaster = probe.getKey();
        }
    }
    // FIXME [SDFAB-935] optimize demote by looking at the MastershipInfo;
    if (nextMaster != null) {
        log.info("Device {} is still connected to {}", deviceId, nextMaster);
        MastershipRole myRole = mastershipService.getLocalRole(deviceId);
        if (myRole == MASTER) {
            log.info("Handing over the mastership of {} to next master {}", deviceId, nextMaster);
            mastershipAdminService.setRole(nextMaster, deviceId, MASTER);
        // Do not demote here because setRole can return before the mastership has been passed.
        // Current implementation promotes first the nextMaster as top of candidate list and then
        // transfer the leadership. We can use the BACKUP events to do demote or leverage periodic
        // checks.
        } else if (myRole == STANDBY) {
            log.info("Demote current instance to the bottom of the candidates list for {}", deviceId);
            mastershipAdminService.demote(localNodeId, deviceId);
        } else {
            log.debug("No valid role for {}", deviceId);
        }
    }
    return nextMaster;
}