Examples with MacAddress org.onlab.packet.MacAddress used on opensource projects

Example 1 with MacAddress

use of org.onlab.packet.MacAddress in project onos by opennetworkinglab.

the class K8sIpAddressListCommand method doExecute.

@Override
protected void doExecute() {
    K8sIpamService ipamService = get(K8sIpamService.class);
    K8sNetworkService networkService = get(K8sNetworkService.class);
    if (networkIds == null || networkIds.length == 0) {
        networkIds = networkService.networks().stream().map(K8sNetwork::networkId).toArray(String[]::new);
    }
    Map<String, Map<IpAddress, MacAddress>> ipMacs = Maps.newConcurrentMap();
    if (available && reserved) {
        error("Only one of list options (available | reserved) can be specified.");
        return;
    }
    if (!(available || reserved)) {
        error("At least one of list options (available | reserved) should be specified.");
        return;
    }
    for (String networkId : networkIds) {
        Map<IpAddress, MacAddress> tmpIpMacs = Maps.newConcurrentMap();
        if (available) {
            ipamService.availableIps(networkId).forEach(n -> tmpIpMacs.put(n, ZERO));
        }
        if (reserved) {
            Set<K8sPort> ports = networkService.ports(networkId);
            ipamService.allocatedIps(networkId).forEach(ip -> {
                MacAddress mac = ports.stream().filter(p -> p.ipAddress().equals(ip)).map(K8sPort::macAddress).findAny().orElse(ZERO);
                tmpIpMacs.put(ip, mac);
            });
        }
        ipMacs.put(networkId, tmpIpMacs);
    }
    if (ipMacs.size() > 0) {
        print(FORMAT, "Network ID", "IP Address", "MAC Address");
        ipMacs.forEach((k, v) -> v.forEach((ip, mac) -> print(FORMAT, k, ip, mac)));
    } else {
        print("No IP addresses are available or reserved.");
    }
}

Example 2 with MacAddress

use of org.onlab.packet.MacAddress in project onos by opennetworkinglab.

the class K8sRoutingArpHandler method processArpPacket.

private void processArpPacket(PacketContext context, Ethernet ethernet) {
    DeviceId deviceId = context.inPacket().receivedFrom().deviceId();
    if (!allK8sDevices(k8sNodeService, k8sHostService).contains(deviceId)) {
        return;
    }
    ARP arp = (ARP) ethernet.getPayload();
    if (arp.getOpCode() == ARP.OP_REPLY) {
        IpAddress spa = Ip4Address.valueOf(arp.getSenderProtocolAddress());
        MacAddress sha = MacAddress.valueOf(arp.getSenderHardwareAddress());
        log.info("ARP reply from ip: {}, mac: {}", spa, sha);
        Set<IpAddress> gatewayIps = k8sNodeService.completeNodes().stream().map(K8sNode::extGatewayIp).collect(Collectors.toSet());
        if (!gatewayIps.contains(spa)) {
            return;
        }
        log.info("ARP reply from external gateway ip: {}, mac: {}", spa, sha);
        k8sNodeService.completeNodes().stream().filter(n -> n.extGatewayMac() == null).forEach(n -> {
            K8sNode updated = n.updateExtGatewayMac(sha);
            k8sNodeService.updateNode(updated);
        });
    }
}

Example 3 with MacAddress

use of org.onlab.packet.MacAddress in project onos by opennetworkinglab.

the class K8sSwitchingArpHandler method processArpRequest.

private void processArpRequest(PacketContext context, Ethernet ethPacket) {
    ARP arpPacket = (ARP) ethPacket.getPayload();
    K8sPort srcK8sPort = k8sNetworkService.ports().stream().filter(p -> p.macAddress().equals(ethPacket.getSourceMAC())).findAny().orElse(null);
    PortNumber srcPortNum = context.inPacket().receivedFrom().port();
    DeviceId srcDeviceId = context.inPacket().receivedFrom().deviceId();
    boolean isEntryPort = false;
    for (K8sNode node : k8sNodeService.completeNodes()) {
        if (srcDeviceId.equals(node.intgBridge()) && srcPortNum.equals(node.intgEntryPortNum())) {
            isEntryPort = true;
        }
    }
    // integration bridge entry port, we simply ignore the ARP request...
    if (srcK8sPort == null && !isEntryPort) {
        log.warn("Failed to find source port(MAC:{})", ethPacket.getSourceMAC());
        return;
    }
    IpAddress targetIp = Ip4Address.valueOf(arpPacket.getTargetProtocolAddress());
    // look up the MAC address from regular k8s ports
    MacAddress replyMac = k8sNetworkService.ports().stream().filter(p -> p.ipAddress().equals(targetIp)).map(K8sPort::macAddress).findAny().orElse(null);
    // look up the MAC address from special integration entry port (e.g., LOCAL, k8s-int-os)
    for (K8sNetwork network : k8sNetworkService.networks()) {
        if (network.gatewayIp().equals(targetIp)) {
            K8sNode node = k8sNodeService.node(network.name());
            replyMac = node.intgEntryPortMac();
        }
    }
    if (replyMac == null) {
        String cidr = k8sNetworkService.networks().stream().map(K8sNetwork::cidr).findAny().orElse(null);
        if (cidr != null) {
            String unshiftedIp = unshiftIpDomain(targetIp.toString(), SHIFTED_IP_PREFIX, cidr);
            replyMac = k8sNetworkService.ports().stream().filter(p -> p.ipAddress().equals(IpAddress.valueOf(unshiftedIp))).map(K8sPort::macAddress).findAny().orElse(null);
        }
    }
    if (replyMac == null) {
        Set<String> serviceIps = k8sServiceService.services().stream().map(s -> s.getSpec().getClusterIP()).collect(Collectors.toSet());
        if (serviceIps.contains(targetIp.toString())) {
            replyMac = MacAddress.valueOf(SERVICE_FAKE_MAC_STR);
        }
    }
    if (replyMac == null) {
        if (targetIp.toString().startsWith(NODE_IP_PREFIX)) {
            String targetIpPrefix = targetIp.toString().split("\\.")[1];
            String nodePrefix = NODE_IP_PREFIX + "." + targetIpPrefix;
            String origNodeCidr = k8sNodeService.completeNodes().stream().map(n -> n.nodeIp().toString()).findAny().orElse(null);
            if (origNodeCidr != null) {
                String origNodeIp = unshiftIpDomain(targetIp.toString(), nodePrefix, origNodeCidr);
                IpPrefix k8sNodeIpCidr = IpPrefix.valueOf(IpAddress.valueOf(origNodeCidr), 24);
                SubnetUtils k8sNodeSubnet = new SubnetUtils(k8sNodeIpCidr.toString());
                String k8sNodeGateway = getGatewayIp(k8sNodeIpCidr.toString()).toString();
                String seekIp = "";
                if (!k8sNodeSubnet.getInfo().isInRange(origNodeIp)) {
                    replyMac = extHostMacStore.asJavaMap().get(IpAddress.valueOf(k8sNodeGateway));
                    seekIp = k8sNodeGateway;
                } else {
                    replyMac = extHostMacStore.asJavaMap().get(IpAddress.valueOf(origNodeIp));
                    seekIp = origNodeIp;
                }
                // we need to manually learn their MAC addresses
                if (replyMac == null) {
                    ConnectPoint cp = context.inPacket().receivedFrom();
                    K8sNode k8sNode = k8sNodeService.node(cp.deviceId());
                    if (k8sNode != null) {
                        // we use fake IP and MAC address as a source to
                        // query destination MAC address
                        setArpRequest(MacAddress.valueOf(NODE_FAKE_MAC_STR).toBytes(), IpAddress.valueOf(NODE_FAKE_IP_STR).toOctets(), IpAddress.valueOf(seekIp).toOctets(), k8sNode);
                        context.block();
                        return;
                    }
                }
            }
        }
    }
    if (replyMac == null) {
        replyMac = MacAddress.valueOf(gatewayMac);
    }
    Ethernet ethReply = ARP.buildArpReply(targetIp.getIp4Address(), replyMac, ethPacket);
    TrafficTreatment treatment = DefaultTrafficTreatment.builder().setOutput(context.inPacket().receivedFrom().port()).build();
    packetService.emit(new DefaultOutboundPacket(context.inPacket().receivedFrom().deviceId(), treatment, ByteBuffer.wrap(ethReply.serialize())));
    context.block();
}

Example 4 with MacAddress

use of org.onlab.packet.MacAddress in project onos by opennetworkinglab.

the class K8sNetworkingUtil method syncPortFromPod.

/**
 * Synchronizes port from kubernetes POD.
 *
 * @param pod               kubernetes POD
 * @param adminService      admin service
 */
public static void syncPortFromPod(Pod pod, K8sNetworkAdminService adminService) {
    Map<String, String> annotations = pod.getMetadata().getAnnotations();
    if (annotations != null && !annotations.isEmpty() && annotations.get(PORT_ID) != null) {
        String portId = annotations.get(PORT_ID);
        K8sPort oldPort = adminService.port(portId);
        String networkId = annotations.get(NETWORK_ID);
        DeviceId deviceId = DeviceId.deviceId(annotations.get(DEVICE_ID));
        PortNumber portNumber = PortNumber.portNumber(annotations.get(PORT_NUMBER));
        IpAddress ipAddress = IpAddress.valueOf(annotations.get(IP_ADDRESS));
        MacAddress macAddress = MacAddress.valueOf(annotations.get(MAC_ADDRESS));
        K8sPort newPort = DefaultK8sPort.builder().portId(portId).networkId(networkId).deviceId(deviceId).ipAddress(ipAddress).macAddress(macAddress).portNumber(portNumber).state(INACTIVE).build();
        if (oldPort == null) {
            adminService.createPort(newPort);
        } else {
            adminService.updatePort(newPort);
        }
    }
}

Example 5 with MacAddress

use of org.onlab.packet.MacAddress in project onos by opennetworkinglab.

the class K8sSwitchingHostProvider method processPortAdded.

/**
 * Processes port addition event.
 *
 * @param port port object used in ONOS
 */
private void processPortAdded(Port port) {
    K8sPort k8sPort = portToK8sPortByName(port);
    if (k8sPort == null) {
        k8sPort = portToK8sPortByMac(port);
        if (k8sPort == null) {
            log.warn(ERR_ADD_HOST + "Kubernetes port for {} not found", port);
            return;
        }
    }
    K8sNetwork k8sNet = k8sNetworkService.network(k8sPort.networkId());
    if (k8sNet == null) {
        log.warn(ERR_ADD_HOST + "Kubernetes network {} not found", k8sPort.networkId());
        return;
    }
    MacAddress mac = k8sPort.macAddress();
    HostId hostId = HostId.hostId(mac);
    // connect point is the combination of switch ID with port number where
    // the host is attached to
    ConnectPoint connectPoint = new ConnectPoint(port.element().id(), port.number());
    long createTime = System.currentTimeMillis();
    // update k8s port number by referring to ONOS port number
    k8sNetworkService.updatePort(k8sPort.updatePortNumber(port.number()).updateState(K8sPort.State.ACTIVE));
    // we check whether the host already attached to same locations
    Host host = hostService.getHost(hostId);
    // build host annotations to include a set of meta info from neutron
    DefaultAnnotations.Builder annotations = DefaultAnnotations.builder().set(ANNOTATION_NETWORK_ID, k8sPort.networkId()).set(ANNOTATION_PORT_ID, k8sPort.portId()).set(ANNOTATION_CREATE_TIME, String.valueOf(createTime)).set(ANNOTATION_SEGMENT_ID, k8sNet.segmentId());
    HostDescription hostDesc = new DefaultHostDescription(mac, VlanId.NONE, new HostLocation(connectPoint, createTime), ImmutableSet.of(k8sPort.ipAddress()), annotations.build());
    if (host != null) {
        Set<HostLocation> locations = host.locations().stream().filter(l -> l.deviceId().equals(connectPoint.deviceId())).filter(l -> l.port().equals(connectPoint.port())).collect(Collectors.toSet());
        // therefore, we simply add this into the location list
        if (locations.isEmpty()) {
            hostProviderService.addLocationToHost(hostId, new HostLocation(connectPoint, createTime));
        }
        // the hostDetected method invocation in turn triggers host Update event
        if (locations.size() == 1) {
            hostProviderService.hostDetected(hostId, hostDesc, false);
        }
    } else {
        hostProviderService.hostDetected(hostId, hostDesc, false);
    }
}