Examples with MastershipInfo org.onosproject.mastership.MastershipInfo used on opensource projects

Example 1 with MastershipInfo

use of org.onosproject.mastership.MastershipInfo in project onos by opennetworkinglab.

the class ConsistentDeviceMastershipStore method getNodes.

@Override
public RoleInfo getNodes(DeviceId deviceId) {
    checkArgument(deviceId != null, DEVICE_ID_NULL);
    MastershipInfo mastership = getMastership(deviceId);
    return new RoleInfo(mastership.master().orElse(null), mastership.backups());
}

Example 2 with MastershipInfo

use of org.onosproject.mastership.MastershipInfo in project onos by opennetworkinglab.

the class ReplicaInfoManagerTest method testReplicaInfoEvent.

@Test
public void testReplicaInfoEvent() throws InterruptedException {
    final CountDownLatch latch = new CountDownLatch(1);
    service.addListener(new MasterNodeCheck(latch, DID1, NID1));
    // fake MastershipEvent
    eventDispatcher.post(new MastershipEvent(Type.MASTER_CHANGED, DID1, new MastershipInfo(1, Optional.of(NID1), ImmutableMap.of(NID1, MastershipRole.MASTER))));
    assertTrue(latch.await(1, TimeUnit.SECONDS));
}

Example 3 with MastershipInfo

use of org.onosproject.mastership.MastershipInfo in project onos by opennetworkinglab.

the class GeneralDeviceProvider method roleChanged.

@Override
public void roleChanged(DeviceId deviceId, MastershipRole newRole) {
    final MastershipInfo mastershipInfo = mastershipService.getMastershipFor(deviceId);
    final NodeId localNodeId = clusterService.getLocalNode().id();
    if (!mastershipInfo.getRole(localNodeId).equals(newRole)) {
        log.warn("Inconsistent mastership info for {}! Requested {}, but " + "mastership service reports {}, will apply the latter...", deviceId, newRole, mastershipInfo.getRole(localNodeId));
        newRole = mastershipInfo.getRole(localNodeId);
    }
    final DeviceHandshaker handshaker = getBehaviour(deviceId, DeviceHandshaker.class);
    if (handshaker == null) {
        log.error("Null handshaker. Unable to notify role {} to {}", newRole, deviceId);
        return;
    }
    // Derive preference value.
    final int preference;
    switch(newRole) {
        case MASTER:
            preference = 0;
            break;
        case STANDBY:
            preference = mastershipInfo.backups().indexOf(localNodeId) + 1;
            if (preference == 0) {
                // Not found in list.
                log.error("Unable to derive mastership preference for {}, " + "requested role {} but local node ID was " + "not found among list of backup nodes " + "reported by mastership service", deviceId, newRole);
                return;
            }
            break;
        case NONE:
            // No preference for NONE, apply as is.
            Pair<MastershipRole, Integer> pairRolePref = Pair.of(newRole, -1);
            if (log.isDebugEnabled()) {
                log.debug("Notifying role {} to {}", newRole, deviceId);
            } else if (!pairRolePref.equals(lastRoleRequest.get(deviceId))) {
                log.info("Notifying role {} to {}", newRole, deviceId);
            }
            lastRoleRequest.put(deviceId, pairRolePref);
            handshaker.roleChanged(newRole);
            return;
        default:
            log.error("Unrecognized mastership role {}", newRole);
            return;
    }
    Pair<MastershipRole, Integer> pairRolePref = Pair.of(newRole, preference);
    if (log.isDebugEnabled()) {
        log.debug("Notifying role {} (preference {}) for term {} to {}", newRole, preference, mastershipInfo.term(), deviceId);
    } else if (!pairRolePref.equals(lastRoleRequest.get(deviceId))) {
        log.info("Notifying role {} (preference {}) for term {} to {}", newRole, preference, mastershipInfo.term(), deviceId);
    }
    lastRoleRequest.put(deviceId, pairRolePref);
    try {
        handshaker.roleChanged(preference, mastershipInfo.term());
    } catch (UnsupportedOperationException e) {
        // Preference-based method not supported.
        handshaker.roleChanged(newRole);
    }
}

Example 4 with MastershipInfo

use of org.onosproject.mastership.MastershipInfo 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 5 with MastershipInfo

use of org.onosproject.mastership.MastershipInfo 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());
}