Examples with Region org.onosproject.net.region.Region used on opensource projects

Example 6 with Region

use of org.onosproject.net.region.Region 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 7 with Region

use of org.onosproject.net.region.Region in project onos by opennetworkinglab.

the class RegionCodecTest method testRegionDecode.

/**
 * Tests decoding of a json object.
 */
@Test
public void testRegionDecode() throws IOException {
    Region region = getRegion("Region.json");
    checkCommonData(region);
    assertThat(region.masters().size(), is(2));
    NodeId nodeId1 = NodeId.nodeId("1");
    NodeId nodeId2 = NodeId.nodeId("2");
    Set<NodeId> nodeIds1 = region.masters().get(0);
    Set<NodeId> nodeIds2 = region.masters().get(1);
    assertThat(nodeIds1.containsAll(ImmutableSet.of(nodeId1)), is(true));
    assertThat(nodeIds2.containsAll(ImmutableSet.of(nodeId1, nodeId2)), is(true));
}

Example 8 with Region

use of org.onosproject.net.region.Region in project onos by opennetworkinglab.

the class ModelCache method loadRegions.

private void loadRegions() {
    for (Region r : services.region().getRegions()) {
        UiRegion region = addNewRegion(r);
        updateRegion(region);
    }
}

Example 9 with Region

use of org.onosproject.net.region.Region in project onos by opennetworkinglab.

the class RegionsWebResource method createRegion.

/**
 * Creates a new region using the supplied JSON input stream.
 *
 * @param stream region JSON stream
 * @return status of the request - CREATED if the JSON is correct,
 * BAD_REQUEST if the JSON is invalid
 * @onos.rsModel RegionPost
 */
@POST
@Consumes(MediaType.APPLICATION_JSON)
@Produces(MediaType.APPLICATION_JSON)
public Response createRegion(InputStream stream) {
    URI location;
    try {
        ObjectNode jsonTree = readTreeFromStream(mapper(), stream);
        final Region region = codec(Region.class).decode(jsonTree, this);
        final Region resultRegion = regionAdminService.createRegion(region.id(), region.name(), region.type(), region.masters());
        location = new URI(resultRegion.id().id());
    } catch (IOException | URISyntaxException e) {
        throw new IllegalArgumentException(e);
    }
    return Response.created(location).build();
}

Example 10 with Region

use of org.onosproject.net.region.Region in project onos by opennetworkinglab.

the class RegionsWebResource method addDevices.

/**
 * Adds the specified collection of devices to the region.
 *
 * @param regionId region identifier
 * @param stream deviceIds JSON stream
 * @return status of the request - CREATED if the JSON is correct,
 * BAD_REQUEST if the JSON is invalid
 * @onos.rsModel RegionDeviceIds
 */
@POST
@Path("{regionId}/devices")
@Consumes(MediaType.APPLICATION_JSON)
@Produces(MediaType.APPLICATION_JSON)
public Response addDevices(@PathParam("regionId") String regionId, InputStream stream) {
    RegionId rid = RegionId.regionId(regionId);
    Region region = nullIsNotFound(regionService.getRegion(rid), REGION_NOT_FOUND + rid);
    URI location;
    try {
        regionAdminService.addDevices(region.id(), extractDeviceIds(stream));
        location = new URI(rid.id());
    } catch (IOException | URISyntaxException e) {
        throw new IllegalArgumentException(e);
    }
    return Response.created(location).build();
}