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

Example 11 with Host

use of org.onosproject.net.Host in project trellis-control by opennetworkinglab.

the class RouteHandler method processHostMovedEvent.

void processHostMovedEvent(HostEvent event) {
    log.info("processHostMovedEvent {}", event);
    MacAddress hostMac = event.subject().mac();
    VlanId hostVlanId = event.subject().vlan();
    Set<ConnectPoint> prevLocations = event.prevSubject().locations().stream().map(h -> (ConnectPoint) h).collect(Collectors.toSet());
    Set<ConnectPoint> newLocations = event.subject().locations().stream().map(h -> (ConnectPoint) h).collect(Collectors.toSet());
    List<Set<IpPrefix>> batchedSubnets = srManager.deviceConfiguration.getBatchedSubnets(event.subject().id());
    Set<DeviceId> newDeviceIds = newLocations.stream().map(ConnectPoint::deviceId).collect(Collectors.toSet());
    // Set of deviceIDs of the previous locations where the host was connected
    // Used to determine if host moved to different connect points
    // on same device or moved to a different device altogether
    Set<DeviceId> oldDeviceIds = prevLocations.stream().map(ConnectPoint::deviceId).collect(Collectors.toSet());
    // and only when the no. of routes with the host as next-hop is not zero
    if (!batchedSubnets.isEmpty()) {
        // For each new location, if NextObj exists for the host, update with new location ..
        Sets.difference(newLocations, prevLocations).forEach(newLocation -> {
            // NOTE: that we use the nexthop vlanId to retrieve the nextId
            // while the vlanId used to program the L3 unicast chain
            // is derived from the port configuration. In case of
            // a tagged interface we use host vlanId. Host vlan should
            // be part of the tags configured for that port. See the
            // code in DefaultGroupHandler.updateL3UcastGroupBucket
            int nextId = srManager.getMacVlanNextObjectiveId(newLocation.deviceId(), hostMac, hostVlanId, null, false);
            if (nextId != -1) {
                // Update the nextId group bucket
                log.debug("HostMoved. NextId exists, update L3 Ucast Group Bucket {}, {}, {} --> {}", newLocation, hostMac, hostVlanId, nextId);
                srManager.updateMacVlanTreatment(newLocation.deviceId(), hostMac, hostVlanId, newLocation.port(), nextId);
            } else {
                log.debug("HostMoved. NextId does not exist for this location {}, host {}/{}", newLocation, hostMac, hostVlanId);
            }
        });
    }
    batchedSubnets.forEach(subnets -> {
        log.debug("HostMoved. populateSubnet {}, {}", newLocations, subnets);
        srManager.defaultRoutingHandler.populateSubnet(newLocations, subnets);
        subnets.forEach(prefix -> {
            // For each old location
            Sets.difference(prevLocations, newLocations).forEach(prevLocation -> {
                // Otherwise, do not remove and let the adding part update the old flow
                if (newDeviceIds.contains(prevLocation.deviceId())) {
                    return;
                }
                log.debug("HostMoved. removeSubnet {}, {}", prevLocation, prefix);
                srManager.deviceConfiguration.removeSubnet(prevLocation, prefix);
                // Do not remove flow from a device if the route is still reachable via its pair device.
                // If spine exists,
                // populateSubnet above will update the flow to point to its pair device via spine.
                // If spine does not exist,
                // processSingleLeafPair below will update the flow to point to its pair device via pair port.
                DeviceId pairDeviceId = srManager.getPairDeviceId(prevLocation.deviceId()).orElse(null);
                if (newLocations.stream().anyMatch(n -> n.deviceId().equals(pairDeviceId))) {
                    return;
                }
                log.debug("HostMoved. revokeRoute {}, {}, {}, {}", prevLocation, prefix, hostMac, hostVlanId);
                srManager.defaultRoutingHandler.revokeRoute(prevLocation.deviceId(), prefix, hostMac, hostVlanId, prevLocation.port(), false);
            });
            // For each new location, add all new IPs.
            Sets.difference(newLocations, prevLocations).forEach(newLocation -> {
                log.debug("HostMoved. addSubnet {}, {}", newLocation, prefix);
                srManager.deviceConfiguration.addSubnet(newLocation, prefix);
                // its a new connect point, not a move from an existing device, populateRoute
                if (!oldDeviceIds.contains(newLocation.deviceId())) {
                    log.debug("HostMoved. populateRoute {}, {}, {}, {}", newLocation, prefix, hostMac, hostVlanId);
                    srManager.defaultRoutingHandler.populateRoute(newLocation.deviceId(), prefix, hostMac, hostVlanId, newLocation.port(), false);
                }
            });
            newLocations.forEach(location -> {
                processSingleLeafPairIfNeeded(newLocations, location, prefix, hostVlanId);
            });
        });
    });
}

Example 12 with Host

use of org.onosproject.net.Host in project trellis-control by opennetworkinglab.

the class HostHandlerTest method testHostUpdated.

@Test
public void testHostUpdated() {
    Host host1 = new DefaultHost(PROVIDER_ID, HOST_ID_UNTAGGED, HOST_MAC, HOST_VLAN_UNTAGGED, Sets.newHashSet(HOST_LOC11), Sets.newHashSet(HOST_IP11), false);
    Host host2 = new DefaultHost(PROVIDER_ID, HOST_ID_UNTAGGED, HOST_MAC, HOST_VLAN_UNTAGGED, Sets.newHashSet(HOST_LOC11), Sets.newHashSet(HOST_IP21), false);
    Host host3 = new DefaultHost(PROVIDER_ID, HOST_ID_UNTAGGED, HOST_MAC, HOST_VLAN_UNTAGGED, Sets.newHashSet(HOST_LOC11), Sets.newHashSet(HOST_IP12), false);
    // Add a host
    // Expect: add one new routing rule. Add one new bridging rule.
    hostHandler.processHostAddedEvent(new HostEvent(HostEvent.Type.HOST_ADDED, host1));
    assertEquals(1, ROUTING_TABLE.size());
    assertNotNull(ROUTING_TABLE.get(new MockRoutingTableKey(DEV1, HOST_IP11.toIpPrefix())));
    assertNull(ROUTING_TABLE.get(new MockRoutingTableKey(DEV1, HOST_IP21.toIpPrefix())));
    assertNull(ROUTING_TABLE.get(new MockRoutingTableKey(DEV1, HOST_IP12.toIpPrefix())));
    assertEquals(1, BRIDGING_TABLE.size());
    assertNotNull(BRIDGING_TABLE.get(new MockBridgingTableKey(HOST_LOC11.deviceId(), HOST_MAC, INTF_VLAN_UNTAGGED)));
    // Update the host IP to same subnet
    // Expect: update routing rule with new IP. No change to bridging rule.
    hostHandler.processHostUpdatedEvent(new HostEvent(HostEvent.Type.HOST_UPDATED, host3, host1));
    assertEquals(1, ROUTING_TABLE.size());
    assertNull(ROUTING_TABLE.get(new MockRoutingTableKey(DEV1, HOST_IP11.toIpPrefix())));
    assertNull(ROUTING_TABLE.get(new MockRoutingTableKey(DEV1, HOST_IP21.toIpPrefix())));
    assertNotNull(ROUTING_TABLE.get(new MockRoutingTableKey(DEV1, HOST_IP12.toIpPrefix())));
    assertEquals(1, BRIDGING_TABLE.size());
    assertNotNull(BRIDGING_TABLE.get(new MockBridgingTableKey(DEV1, HOST_MAC, INTF_VLAN_UNTAGGED)));
    // Update the host IP to different subnet
    // Expect: Remove routing rule. No change to bridging rule.
    hostHandler.processHostUpdatedEvent(new HostEvent(HostEvent.Type.HOST_UPDATED, host2, host3));
    assertEquals(0, ROUTING_TABLE.size());
    assertEquals(1, BRIDGING_TABLE.size());
    assertNotNull(BRIDGING_TABLE.get(new MockBridgingTableKey(DEV1, HOST_MAC, INTF_VLAN_UNTAGGED)));
}

Example 13 with Host

use of org.onosproject.net.Host in project trellis-control by opennetworkinglab.

the class HostHandlerTest method testHostRemoved.

@Test
public void testHostRemoved() {
    Host subject = new DefaultHost(PROVIDER_ID, HOST_ID_UNTAGGED, HOST_MAC, HOST_VLAN_UNTAGGED, Sets.newHashSet(HOST_LOC11), Sets.newHashSet(HOST_IP11), false);
    // Add a host
    // Expect: add one routing rule and one bridging rule
    hostHandler.processHostAddedEvent(new HostEvent(HostEvent.Type.HOST_ADDED, subject));
    assertEquals(1, ROUTING_TABLE.size());
    assertNotNull(ROUTING_TABLE.get(new MockRoutingTableKey(DEV1, HOST_IP11.toIpPrefix())));
    assertEquals(1, BRIDGING_TABLE.size());
    assertNotNull(BRIDGING_TABLE.get(new MockBridgingTableKey(DEV1, HOST_MAC, INTF_VLAN_UNTAGGED)));
    // Remove the host
    // Expect: add the routing rule and the bridging rule
    hostHandler.processHostRemovedEvent(new HostEvent(HostEvent.Type.HOST_REMOVED, subject));
    assertEquals(0, ROUTING_TABLE.size());
    assertEquals(0, BRIDGING_TABLE.size());
}

Example 14 with Host

use of org.onosproject.net.Host in project trellis-control by opennetworkinglab.

the class HostHandlerTest method testDualHomingSingleLocationFail.

@Test
public void testDualHomingSingleLocationFail() {
    Host host1 = new DefaultHost(PROVIDER_ID, HOST_ID_UNTAGGED, HOST_MAC, HOST_VLAN_UNTAGGED, Sets.newHashSet(HOST_LOC31, HOST_LOC41), Sets.newHashSet(HOST_IP11, HOST_IP12), false);
    Host host2 = new DefaultHost(PROVIDER_ID, HOST_ID_UNTAGGED, HOST_MAC, HOST_VLAN_UNTAGGED, Sets.newHashSet(HOST_LOC31), Sets.newHashSet(HOST_IP11, HOST_IP12), false);
    // Add a host
    // Expect: add four new routing rules, two new bridging rules
    hostHandler.processHostAddedEvent(new HostEvent(HostEvent.Type.HOST_ADDED, host1));
    assertEquals(4, ROUTING_TABLE.size());
    assertEquals(P1, ROUTING_TABLE.get(new MockRoutingTableKey(DEV3, HOST_IP11.toIpPrefix())).portNumber);
    assertEquals(P1, ROUTING_TABLE.get(new MockRoutingTableKey(DEV3, HOST_IP12.toIpPrefix())).portNumber);
    assertEquals(P1, ROUTING_TABLE.get(new MockRoutingTableKey(DEV4, HOST_IP11.toIpPrefix())).portNumber);
    assertEquals(P1, ROUTING_TABLE.get(new MockRoutingTableKey(DEV4, HOST_IP12.toIpPrefix())).portNumber);
    assertEquals(2, BRIDGING_TABLE.size());
    assertEquals(P1, BRIDGING_TABLE.get(new MockBridgingTableKey(DEV3, HOST_MAC, INTF_VLAN_UNTAGGED)).portNumber);
    assertEquals(P1, BRIDGING_TABLE.get(new MockBridgingTableKey(DEV4, HOST_MAC, INTF_VLAN_UNTAGGED)).portNumber);
    // Host becomes single-homed
    // Expect: redirect flows from host location to pair link
    hostHandler.processHostMovedEvent(new HostEvent(HostEvent.Type.HOST_MOVED, host2, host1));
    assertEquals(4, ROUTING_TABLE.size());
    assertEquals(P1, ROUTING_TABLE.get(new MockRoutingTableKey(DEV3, HOST_IP11.toIpPrefix())).portNumber);
    assertEquals(P1, ROUTING_TABLE.get(new MockRoutingTableKey(DEV3, HOST_IP12.toIpPrefix())).portNumber);
    assertEquals(P9, ROUTING_TABLE.get(new MockRoutingTableKey(DEV4, HOST_IP11.toIpPrefix())).portNumber);
    assertEquals(P9, ROUTING_TABLE.get(new MockRoutingTableKey(DEV4, HOST_IP12.toIpPrefix())).portNumber);
    assertEquals(2, BRIDGING_TABLE.size());
    assertEquals(P1, BRIDGING_TABLE.get(new MockBridgingTableKey(DEV3, HOST_MAC, INTF_VLAN_UNTAGGED)).portNumber);
    assertEquals(P9, BRIDGING_TABLE.get(new MockBridgingTableKey(DEV4, HOST_MAC, INTF_VLAN_UNTAGGED)).portNumber);
    // Host becomes dual-homed again
    // Expect: Redirect flows from pair link back to host location
    hostHandler.processHostMovedEvent(new HostEvent(HostEvent.Type.HOST_MOVED, host1, host2));
    assertEquals(4, ROUTING_TABLE.size());
    assertEquals(P1, ROUTING_TABLE.get(new MockRoutingTableKey(DEV3, HOST_IP11.toIpPrefix())).portNumber);
    assertEquals(P1, ROUTING_TABLE.get(new MockRoutingTableKey(DEV3, HOST_IP12.toIpPrefix())).portNumber);
    assertEquals(P1, ROUTING_TABLE.get(new MockRoutingTableKey(DEV4, HOST_IP11.toIpPrefix())).portNumber);
    assertEquals(P1, ROUTING_TABLE.get(new MockRoutingTableKey(DEV4, HOST_IP12.toIpPrefix())).portNumber);
    assertEquals(2, BRIDGING_TABLE.size());
    assertEquals(P1, BRIDGING_TABLE.get(new MockBridgingTableKey(DEV3, HOST_MAC, INTF_VLAN_UNTAGGED)).portNumber);
    assertEquals(P1, BRIDGING_TABLE.get(new MockBridgingTableKey(DEV4, HOST_MAC, INTF_VLAN_UNTAGGED)).portNumber);
}

Example 15 with Host

use of org.onosproject.net.Host in project trellis-control by opennetworkinglab.

the class HostHandlerTest method testHostProbing.

@Test
public void testHostProbing() {
    // Case: [1A/1, 1B/1] -> [1A/2, 1B/1]
    // Expect: DISCOVER probe should be sent to every port on 1B that has the same VLAN as 1A/2
    // VERIFY probe should be sent to 1B/1
    Host host1 = new DefaultHost(PROVIDER_ID, HOST_ID_UNTAGGED, HOST_MAC, HOST_VLAN_UNTAGGED, Sets.newHashSet(HOST_LOC31, HOST_LOC41), Sets.newHashSet(HOST_IP11), false);
    Host host2 = new DefaultHost(PROVIDER_ID, HOST_ID_UNTAGGED, HOST_MAC, HOST_VLAN_UNTAGGED, Sets.newHashSet(HOST_LOC32, HOST_LOC41), Sets.newHashSet(HOST_IP11), false);
    hostHandler.processHostAddedEvent(new HostEvent(HostEvent.Type.HOST_ADDED, host1));
    hostHandler.srManager.probingService = createMock(HostProbingService.class);
    hostHandler.srManager.probingService.probeHost(host2, CP41, ProbeMode.DISCOVER);
    expectLastCall();
    hostHandler.srManager.probingService.probeHost(host2, CP42, ProbeMode.DISCOVER);
    expectLastCall();
    hostHandler.srManager.probingService.probeHost(host2, CP41, ProbeMode.VERIFY);
    expectLastCall();
    replay(hostHandler.srManager.probingService);
    hostHandler.processHostMovedEvent(new HostEvent(HostEvent.Type.HOST_MOVED, host2, host1));
    verify(hostHandler.srManager.probingService);
}