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

Example 1 with MastershipRole

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

the class SimpleIntManager method configDeviceTask.

private void configDeviceTask(DeviceId deviceId, long creationTime) {
    if (isConfigTaskValid(deviceId, creationTime)) {
        // Task outdated.
        return;
    }
    if (!deviceService.isAvailable(deviceId)) {
        return;
    }
    final MastershipRole role = mastershipService.requestRoleForSync(deviceId);
    if (!role.equals(MastershipRole.MASTER)) {
        return;
    }
    deviceLocks.get(deviceId).lock();
    try {
        // Clean up first.
        cleanupDevice(deviceId);
        if (!configDevice(deviceId)) {
            // Clean up if fails.
            cleanupDevice(deviceId);
            return;
        }
        devicesToConfigure.remove(deviceId);
    } finally {
        deviceLocks.get(deviceId).unlock();
    }
}

Example 2 with MastershipRole

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

the class SimpleVirtualMastershipStore method getRole.

@Override
public MastershipRole getRole(NetworkId networkId, NodeId nodeId, DeviceId deviceId) {
    Map<DeviceId, NodeId> masterMap = getMasterMap(networkId);
    Map<DeviceId, List<NodeId>> backups = getBackups(networkId);
    // 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;
}

Example 3 with MastershipRole

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

the class SimpleVirtualMastershipStore method requestRole.

@Override
public CompletableFuture<MastershipRole> requestRole(NetworkId networkId, DeviceId deviceId) {
    // query+possible reelection
    NodeId node = clusterService.getLocalNode().id();
    MastershipRole role = getRole(networkId, node, deviceId);
    Map<DeviceId, NodeId> masterMap = getMasterMap(networkId);
    switch(role) {
        case MASTER:
            return CompletableFuture.completedFuture(MastershipRole.MASTER);
        case STANDBY:
            if (getMaster(networkId, deviceId) == null) {
                // no master => become master
                masterMap.put(deviceId, node);
                incrementTerm(networkId, deviceId);
                // remove from backup list
                removeFromBackups(networkId, deviceId, node);
                notifyDelegate(networkId, new MastershipEvent(MASTER_CHANGED, deviceId, getMastership(networkId, deviceId)));
                return CompletableFuture.completedFuture(MastershipRole.MASTER);
            }
            return CompletableFuture.completedFuture(MastershipRole.STANDBY);
        case NONE:
            if (getMaster(networkId, deviceId) == null) {
                // no master => become master
                masterMap.put(deviceId, node);
                incrementTerm(networkId, deviceId);
                notifyDelegate(networkId, new MastershipEvent(MASTER_CHANGED, deviceId, getMastership(networkId, deviceId)));
                return CompletableFuture.completedFuture(MastershipRole.MASTER);
            }
            // add to backup list
            if (addToBackup(networkId, deviceId, node)) {
                notifyDelegate(networkId, new MastershipEvent(BACKUPS_CHANGED, deviceId, getMastership(networkId, deviceId)));
            }
            return CompletableFuture.completedFuture(MastershipRole.STANDBY);
        default:
            log.warn("unknown Mastership Role {}", role);
    }
    return CompletableFuture.completedFuture(role);
}

Example 4 with MastershipRole

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

the class SimpleVirtualMastershipStore method relinquishRole.

@Override
public synchronized CompletableFuture<MastershipEvent> relinquishRole(NetworkId networkId, NodeId nodeId, DeviceId deviceId) {
    Map<DeviceId, NodeId> masterMap = getMasterMap(networkId);
    MastershipRole role = getRole(networkId, nodeId, deviceId);
    switch(role) {
        case MASTER:
            NodeId backup = reelect(networkId, deviceId, nodeId);
            masterMap.put(deviceId, backup);
            incrementTerm(networkId, deviceId);
            return CompletableFuture.completedFuture(new MastershipEvent(MASTER_CHANGED, deviceId, getMastership(networkId, deviceId)));
        case STANDBY:
            if (removeFromBackups(networkId, deviceId, nodeId)) {
                return CompletableFuture.completedFuture(new MastershipEvent(BACKUPS_CHANGED, deviceId, getMastership(networkId, deviceId)));
            }
            break;
        case NONE:
            break;
        default:
            log.warn("unknown Mastership Role {}", role);
    }
    return CompletableFuture.completedFuture(null);
}

Example 5 with MastershipRole

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

the class SimpleVirtualMastershipStore method setMaster.

@Override
public synchronized CompletableFuture<MastershipEvent> setMaster(NetworkId networkId, NodeId nodeId, DeviceId deviceId) {
    Map<DeviceId, NodeId> masterMap = getMasterMap(networkId);
    MastershipRole role = getRole(networkId, nodeId, deviceId);
    switch(role) {
        case MASTER:
            // no-op
            return CompletableFuture.completedFuture(null);
        case STANDBY:
        case NONE:
            NodeId prevMaster = masterMap.put(deviceId, nodeId);
            incrementTerm(networkId, deviceId);
            removeFromBackups(networkId, deviceId, nodeId);
            addToBackup(networkId, deviceId, prevMaster);
            break;
        default:
            log.warn("unknown Mastership Role {}", role);
            return null;
    }
    return CompletableFuture.completedFuture(new MastershipEvent(MASTER_CHANGED, deviceId, getMastership(networkId, deviceId)));
}