Examples with MastershipRole org.onosproject.net.MastershipRole used on opensource projects

Example 21 with MastershipRole

use of org.onosproject.net.MastershipRole in project onos by opennetworkinglab.

the class ECDeviceStore method removeDevice.

@Override
public DeviceEvent removeDevice(DeviceId deviceId) {
    NodeId master = mastershipService.getMasterFor(deviceId);
    // if there exist a master, forward
    // if there is no master, try to become one and process
    boolean relinquishAtEnd = false;
    if (master == null) {
        final MastershipRole myRole = mastershipService.getLocalRole(deviceId);
        if (myRole != MastershipRole.NONE) {
            relinquishAtEnd = true;
        }
        log.debug("Temporarily requesting role for {} to remove", deviceId);
        MastershipRole role = Futures.getUnchecked(mastershipService.requestRoleFor(deviceId));
        if (role == MastershipRole.MASTER) {
            master = localNodeId;
        }
    }
    if (!localNodeId.equals(master)) {
        log.debug("{} has control of {}, forwarding remove request", master, deviceId);
        clusterCommunicator.unicast(deviceId, DEVICE_REMOVE_REQ, SERIALIZER::encode, master).whenComplete((r, e) -> {
            if (e != null) {
                log.error("Failed to forward {} remove request to its master", deviceId, e);
            }
        });
        return null;
    }
    // I have control..
    DeviceEvent event = null;
    final DeviceKey deviceKey = new DeviceKey(getPrimaryProviderId(deviceId), deviceId);
    DeviceDescription removedDeviceDescription = deviceDescriptions.remove(deviceKey);
    if (removedDeviceDescription != null) {
        event = purgeDeviceCache(deviceId);
    }
    if (relinquishAtEnd) {
        log.debug("Relinquishing temporary role acquired for {}", deviceId);
        mastershipService.relinquishMastership(deviceId);
    }
    return event;
}

Example 22 with MastershipRole

use of org.onosproject.net.MastershipRole in project onos by opennetworkinglab.

the class DeviceManager method mastershipCheck.

/**
 * Checks if all the reachable devices have a valid mastership role.
 */
private void mastershipCheck() {
    log.debug("Checking mastership");
    for (Device device : getDevices()) {
        final DeviceId deviceId = device.id();
        MastershipRole myRole = mastershipService.getLocalRole(deviceId);
        log.trace("Checking device {}. Current role is {}", deviceId, myRole);
        log.debug("Device {} local status is {}", deviceId, localStatus(deviceId));
        final boolean isGracePeriodOn = inGracePeriod(deviceId);
        final boolean isReachable = isReachable(deviceId, isGracePeriodOn);
        // Passed the grace period and it is still not reachable
        if (!isGracePeriodOn && !isReachable) {
            if (myRole != NONE) {
                // Verify if the device is fully disconnected from the cluster
                if (updateMastershipFor(deviceId) == null && myRole == MASTER && isAvailable(deviceId)) {
                    log.info("Local Role {}, Marking unreachable device {} offline", MASTER, deviceId);
                    // Following the deviceDisconnected method logic (line 734) we are marking also all the
                    // ports as disabled.
                    List<PortDescription> descs = store.getPortDescriptions(getProvider(deviceId).id(), deviceId).map(desc -> ensurePortEnabledState(desc, false)).collect(Collectors.toList());
                    store.updatePorts(getProvider(deviceId).id(), deviceId, descs);
                    post(store.markOffline(deviceId));
                }
            } else {
                // never be hit unless in a device removed phase for NONE mastership roles.
                try {
                    mastershipService.requestRoleFor(deviceId).get();
                } catch (InterruptedException e) {
                    Thread.currentThread().interrupt();
                    log.error("Interrupted waiting for Mastership", e);
                } catch (ExecutionException e) {
                    log.error("Encountered an error waiting for Mastership", e);
                }
                MastershipTerm term = termService.getMastershipTerm(deviceId);
                if (updateMastershipFor(deviceId) == null && term != null && localNodeId.equals(term.master()) && isAvailable(deviceId)) {
                    log.info("Marking unreachable device {} offline", deviceId);
                    // Following the deviceDisconnected method logic (line 734) we are marking also all the
                    // ports as disabled.
                    List<PortDescription> descs = store.getPortDescriptions(getProvider(deviceId).id(), deviceId).map(desc -> ensurePortEnabledState(desc, false)).collect(Collectors.toList());
                    store.updatePorts(getProvider(deviceId).id(), deviceId, descs);
                    post(store.markOffline(deviceId));
                }
            }
            roleToAcknowledge.remove(deviceId);
        } else if (isReachable) {
            // If this node is the master, ensure the device is marked online.
            if (myRole == MASTER && canMarkOnline(device)) {
                log.debug("Can mark online {}", deviceId);
                post(store.markOnline(deviceId));
            }
            log.debug("{} is reachable - reasserting the role", deviceId);
            // Device is still reachable. It is useful for some protocols
            // to reassert the role. Note: NONE triggers request to MastershipService
            reassertRole(deviceId, myRole);
        } else {
            // Do not proceed furthermore if the grace period is still on
            log.debug("Skipping mastership check for {}", deviceId);
        }
    }
}

Example 23 with MastershipRole

use of org.onosproject.net.MastershipRole in project onos by opennetworkinglab.

the class SimpleVirtualMastershipStore method getMastership.

@Override
public MastershipInfo getMastership(NetworkId networkId, DeviceId deviceId) {
    Map<DeviceId, NodeId> masterMap = getMasterMap(networkId);
    Map<DeviceId, AtomicInteger> termMap = getTermMap(networkId);
    Map<DeviceId, List<NodeId>> backups = getBackups(networkId);
    ImmutableMap.Builder<NodeId, MastershipRole> roleBuilder = ImmutableMap.builder();
    NodeId master = masterMap.get(deviceId);
    if (master != null) {
        roleBuilder.put(master, MastershipRole.MASTER);
    }
    backups.getOrDefault(deviceId, Collections.emptyList()).forEach(nodeId -> roleBuilder.put(nodeId, MastershipRole.STANDBY));
    clusterService.getNodes().stream().filter(node -> !masterMap.containsValue(node.id())).filter(node -> !backups.get(deviceId).contains(node.id())).forEach(node -> roleBuilder.put(node.id(), MastershipRole.NONE));
    return new MastershipInfo(termMap.getOrDefault(deviceId, new AtomicInteger(NOTHING)).get(), Optional.ofNullable(master), roleBuilder.build());
}

Example 24 with MastershipRole

use of org.onosproject.net.MastershipRole in project onos by opennetworkinglab.

the class SimpleMastershipStore method getMastership.

@Override
public MastershipInfo getMastership(DeviceId deviceId) {
    ImmutableMap.Builder<NodeId, MastershipRole> roleBuilder = ImmutableMap.builder();
    NodeId master = masterMap.get(deviceId);
    if (master != null) {
        roleBuilder.put(master, MastershipRole.MASTER);
    }
    backups.getOrDefault(deviceId, Collections.emptyList()).forEach(nodeId -> roleBuilder.put(nodeId, MastershipRole.STANDBY));
    return new MastershipInfo(termMap.getOrDefault(deviceId, new AtomicInteger(NOTHING)).get(), Optional.ofNullable(master), roleBuilder.build());
}

Example 25 with MastershipRole

use of org.onosproject.net.MastershipRole in project onos by opennetworkinglab.

the class SimpleMastershipStore method getRole.

@Override
public MastershipRole getRole(NodeId nodeId, DeviceId deviceId) {
    // just query
    NodeId current = masterMap.get(deviceId);
    MastershipRole role;
    if (current != null && current.equals(nodeId)) {
        return MastershipRole.MASTER;
    }
    if (backups.getOrDefault(deviceId, Collections.emptyList()).contains(nodeId)) {
        role = MastershipRole.STANDBY;
    } else {
        role = MastershipRole.NONE;
    }
    return role;
}