2 * Copyright (c) 2014, 2015 Red Hat, Inc. and others. All rights reserved.
4 * This program and the accompanying materials are made available under the
5 * terms of the Eclipse Public License v1.0 which accompanies this distribution,
6 * and is available at http://www.eclipse.org/legal/epl-v10.html
9 package org.opendaylight.ovsdb.openstack.netvirt.impl;
11 import org.apache.commons.lang3.tuple.ImmutablePair;
12 import org.apache.commons.lang3.tuple.Pair;
13 import org.opendaylight.neutron.spi.INeutronNetworkCRUD;
14 import org.opendaylight.neutron.spi.INeutronPortCRUD;
15 import org.opendaylight.neutron.spi.INeutronSubnetCRUD;
16 import org.opendaylight.neutron.spi.NeutronFloatingIP;
17 import org.opendaylight.neutron.spi.NeutronNetwork;
18 import org.opendaylight.neutron.spi.NeutronPort;
19 import org.opendaylight.neutron.spi.NeutronRouter;
20 import org.opendaylight.neutron.spi.NeutronRouter_Interface;
21 import org.opendaylight.neutron.spi.NeutronSubnet;
22 import org.opendaylight.neutron.spi.Neutron_IPs;
23 import org.opendaylight.ovsdb.openstack.netvirt.ConfigInterface;
24 import org.opendaylight.ovsdb.openstack.netvirt.api.*;
25 import org.opendaylight.ovsdb.utils.servicehelper.ServiceHelper;
26 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.inet.types.rev100924.Ipv4Address;
27 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.yang.types.rev100924.MacAddress;
28 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.yang.types.rev130715.Uuid;
29 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.ovsdb.rev150105.OvsdbTerminationPointAugmentation;
30 import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.network.topology.topology.Node;
32 import com.google.common.base.Preconditions;
33 import com.google.common.util.concurrent.FutureCallback;
34 import com.google.common.util.concurrent.Futures;
35 import com.google.common.util.concurrent.ListenableFuture;
37 import org.osgi.framework.ServiceReference;
38 import org.slf4j.Logger;
39 import org.slf4j.LoggerFactory;
41 import java.net.InetAddress;
42 import java.net.UnknownHostException;
43 import java.util.HashMap;
44 import java.util.HashSet;
45 import java.util.ArrayList;
46 import java.util.List;
49 import java.util.concurrent.ExecutorService;
50 import java.util.concurrent.Executors;
53 * Neutron L3 Adapter implements a hub-like adapter for the various Neutron events. Based on
54 * these events, the abstract router callbacks can be generated to the multi-tenant aware router,
55 * as well as the multi-tenant router forwarding provider.
57 public class NeutronL3Adapter implements ConfigInterface {
58 private static final Logger LOG = LoggerFactory.getLogger(NeutronL3Adapter.class);
60 // The implementation for each of these services is resolved by the OSGi Service Manager
61 private volatile ConfigurationService configurationService;
62 private volatile TenantNetworkManager tenantNetworkManager;
63 private volatile NodeCacheManager nodeCacheManager;
64 private volatile INeutronNetworkCRUD neutronNetworkCache;
65 private volatile INeutronSubnetCRUD neutronSubnetCache;
66 private volatile INeutronPortCRUD neutronPortCache;
67 private volatile L3ForwardingProvider l3ForwardingProvider;
68 private volatile InboundNatProvider inboundNatProvider;
69 private volatile OutboundNatProvider outboundNatProvider;
70 private volatile ArpProvider arpProvider;
71 private volatile RoutingProvider routingProvider;
72 private volatile GatewayMacResolver gatewayMacResolver;
74 private class FloatIpData {
75 // br-int of node where floating ip is associated with tenant port
76 private final Long dpid;
77 // patch port in br-int used to reach br-ex
78 private final Long ofPort;
79 // segmentation id of the net where fixed ip is instantiated
80 private final String segId;
81 // mac address assigned to neutron port of floating ip
82 private final String macAddress;
83 private final String floatingIpAddress;
84 // ip address given to tenant vm
85 private final String fixedIpAddress;
86 private final String neutronRouterMac;
88 FloatIpData(final Long dpid, final Long ofPort, final String segId, final String macAddress,
89 final String floatingIpAddress, final String fixedIpAddress, final String neutronRouterMac) {
93 this.macAddress = macAddress;
94 this.floatingIpAddress = floatingIpAddress;
95 this.fixedIpAddress = fixedIpAddress;
96 this.neutronRouterMac = neutronRouterMac;
100 private Set<String> inboundIpRewriteCache;
101 private Set<String> outboundIpRewriteCache;
102 private Set<String> outboundIpRewriteExclusionCache;
103 private Set<String> routerInterfacesCache;
104 private Set<String> staticArpEntryCache;
105 private Set<String> l3ForwardingCache;
106 private Map<String, String> networkIdToRouterMacCache;
107 private Map<String, List<Neutron_IPs>> networkIdToRouterIpListCache;
108 private Map<String, NeutronRouter_Interface> subnetIdToRouterInterfaceCache;
109 private Map<String, Pair<Long, Uuid>> neutronPortToDpIdCache;
110 private Map<String, FloatIpData> floatIpDataMapCache;
111 private String externalRouterMac;
112 private Boolean enabled = false;
113 private Boolean flgDistributedARPEnabled = true;
114 private Southbound southbound;
115 private final ExecutorService gatewayMacResolverPool = Executors.newFixedThreadPool(5);
117 private static final String OWNER_ROUTER_INTERFACE = "network:router_interface";
118 private static final String OWNER_ROUTER_INTERFACE_DISTRIBUTED = "network:router_interface_distributed";
119 private static final String OWNER_ROUTER_GATEWAY = "network:router_gateway";
120 private static final String OWNER_FLOATING_IP = "network:floatingip";
121 private static final String DEFAULT_EXT_RTR_MAC = "00:00:5E:00:01:01";
123 public NeutronL3Adapter() {
124 LOG.info(">>>>>> NeutronL3Adapter constructor {}", this.getClass());
127 private void initL3AdapterMembers() {
128 Preconditions.checkNotNull(configurationService);
130 if (configurationService.isL3ForwardingEnabled()) {
131 this.inboundIpRewriteCache = new HashSet<>();
132 this.outboundIpRewriteCache = new HashSet<>();
133 this.outboundIpRewriteExclusionCache = new HashSet<>();
134 this.routerInterfacesCache = new HashSet<>();
135 this.staticArpEntryCache = new HashSet<>();
136 this.l3ForwardingCache = new HashSet<>();
137 this.networkIdToRouterMacCache = new HashMap<>();
138 this.networkIdToRouterIpListCache = new HashMap<>();
139 this.subnetIdToRouterInterfaceCache = new HashMap<>();
140 this.neutronPortToDpIdCache = new HashMap<>();
141 this.floatIpDataMapCache = new HashMap<>();
143 this.externalRouterMac = configurationService.getDefaultGatewayMacAddress(null);
144 if (this.externalRouterMac == null) {
145 this.externalRouterMac = DEFAULT_EXT_RTR_MAC;
149 LOG.info("OVSDB L3 forwarding is enabled");
150 if (configurationService.isDistributedArpDisabled()) {
151 this.flgDistributedARPEnabled = false;
152 LOG.info("Distributed ARP responder is disabled");
154 LOG.debug("Distributed ARP responder is enabled");
157 LOG.debug("OVSDB L3 forwarding is disabled");
162 // Callbacks from OVSDB's northbound handlers
166 * Invoked to configure the mac address for the external gateway in br-ex. ovsdb netvirt needs help in getting
167 * mac for given ip in br-ex (bug 3378). For example, since ovsdb has no real arp, it needs a service in can
168 * subscribe so that the mac address associated to the gateway ip address is available.
170 * @param externalRouterMacUpdate The mac address to be associated to the gateway.
172 public void updateExternalRouterMac(final String externalRouterMacUpdate) {
173 Preconditions.checkNotNull(externalRouterMacUpdate);
175 flushExistingIpRewrite();
176 this.externalRouterMac = externalRouterMacUpdate;
177 rebuildExistingIpRewrite();
183 * @param action the {@link org.opendaylight.ovsdb.openstack.netvirt.api.Action} action to be handled.
184 * @param subnet An instance of NeutronSubnet object.
186 public void handleNeutronSubnetEvent(final NeutronSubnet subnet, Action action) {
187 LOG.debug("Neutron subnet {} event : {}", action, subnet.toString());
191 * Process the port event as a router interface event.
192 * For a not delete action, since a port is only create when the tennat uses the subnet, it is required to
193 * verify if all routers across all nodes have the interface for the port's subnet(s) configured.
195 * @param action the {@link org.opendaylight.ovsdb.openstack.netvirt.api.Action} action to be handled.
196 * @param neutronPort An instance of NeutronPort object.
198 public void handleNeutronPortEvent(final NeutronPort neutronPort, Action action) {
199 LOG.debug("Neutron port {} event : {}", action, neutronPort.toString());
204 final boolean isDelete = action == Action.DELETE;
206 if (neutronPort.getDeviceOwner().equalsIgnoreCase(OWNER_ROUTER_GATEWAY)){
208 Node externalBridgeNode = getExternalBridgeNode();
209 if(externalBridgeNode != null){
210 LOG.info("Port {} is network router gateway interface, "
211 + "triggering gateway resolution for the attached external network on node {}", neutronPort, externalBridgeNode);
212 this.triggerGatewayMacResolver(externalBridgeNode, neutronPort);
214 LOG.error("Did not find Node that has external bridge (br-ex), Gateway resolution failed");
217 NeutronNetwork externalNetwork = neutronNetworkCache.getNetwork(neutronPort.getNetworkUUID());
219 if (externalNetwork != null && externalNetwork.isRouterExternal()) {
220 final NeutronSubnet externalSubnet = getExternalNetworkSubnet(neutronPort);
222 if (externalSubnet != null &&
223 externalSubnet.getIpVersion() == 4) {
224 gatewayMacResolver.stopPeriodicRefresh(new Ipv4Address(externalSubnet.getGatewayIP()));
230 // Treat the port event as a router interface event if the port belongs to router. This is a
231 // helper for handling cases when handleNeutronRouterInterfaceEvent is not available
233 if (neutronPort.getDeviceOwner().equalsIgnoreCase(OWNER_ROUTER_INTERFACE) ||
234 neutronPort.getDeviceOwner().equalsIgnoreCase(OWNER_ROUTER_INTERFACE_DISTRIBUTED)) {
236 for (Neutron_IPs neutronIP : neutronPort.getFixedIPs()) {
237 NeutronRouter_Interface neutronRouterInterface =
238 new NeutronRouter_Interface(neutronIP.getSubnetUUID(), neutronPort.getPortUUID());
239 // id of router interface to be same as subnet
240 neutronRouterInterface.setID(neutronIP.getSubnetUUID());
241 neutronRouterInterface.setTenantID(neutronPort.getTenantID());
243 this.handleNeutronRouterInterfaceEvent(null /*neutronRouter*/, neutronRouterInterface, action);
246 // We made it here, port is not used as a router interface. If this is not a delete action, make sure that
247 // all nodes that are supposed to have a router interface for the port's subnet(s), have it configured. We
248 // need to do this check here because a router interface is not added to a node until tenant becomes needed
251 if (!isDelete && neutronPort.getFixedIPs() != null) {
252 for (Neutron_IPs neutronIP : neutronPort.getFixedIPs()) {
253 NeutronRouter_Interface neutronRouterInterface =
254 subnetIdToRouterInterfaceCache.get(neutronIP.getSubnetUUID());
255 if (neutronRouterInterface != null) {
256 this.handleNeutronRouterInterfaceEvent(null /*neutronRouter*/, neutronRouterInterface, action);
260 this.updateL3ForNeutronPort(neutronPort, isDelete);
267 * @param action the {@link org.opendaylight.ovsdb.openstack.netvirt.api.Action} action to be handled.
268 * @param neutronRouter An instance of NeutronRouter object.
270 public void handleNeutronRouterEvent(final NeutronRouter neutronRouter, Action action) {
271 LOG.debug("Neutron router {} event : {}", action, neutronRouter.toString());
275 * Process the event enforcing actions and verifying dependencies between all router's interface. For example,
276 * delete the ports on the same subnet.
278 * @param action the {@link org.opendaylight.ovsdb.openstack.netvirt.api.Action} action to be handled.
279 * @param neutronRouter An instance of NeutronRouter object.
280 * @param neutronRouterInterface An instance of NeutronRouter_Interface object.
282 public void handleNeutronRouterInterfaceEvent(final NeutronRouter neutronRouter,
283 final NeutronRouter_Interface neutronRouterInterface,
285 LOG.debug("Router interface {} got event {}. Subnet {}",
286 neutronRouterInterface.getPortUUID(),
288 neutronRouterInterface.getSubnetUUID());
293 final boolean isDelete = action == Action.DELETE;
295 this.programFlowsForNeutronRouterInterface(neutronRouterInterface, isDelete);
297 // As neutron router interface is added/removed, we need to iterate through all the neutron ports and
298 // see if they are affected by l3
300 for (NeutronPort neutronPort : neutronPortCache.getAllPorts()) {
301 boolean currPortShouldBeDeleted = false;
302 // Note: delete in this case only applies to 1)router interface delete and 2)ports on the same subnet
304 for (Neutron_IPs neutronIP : neutronPort.getFixedIPs()) {
305 if (neutronRouterInterface.getSubnetUUID().equalsIgnoreCase(neutronIP.getSubnetUUID())) {
306 currPortShouldBeDeleted = true;
311 this.updateL3ForNeutronPort(neutronPort, currPortShouldBeDeleted);
316 * Bug 4277: Remove the router interface cache only after deleting the neutron port l3 flows.
318 this.cleanupRouterCache(neutronRouterInterface);
323 * Invoked when a neutron message regarding the floating ip association is sent to odl via ml2. If the action is
324 * a creation, it will first add ARP rules for the given floating ip and then configure the DNAT (rewrite the
325 * packets from the floating IP address to the internal fixed ip) rules on OpenFlow Table 30 and SNAT rules (other
326 * way around) on OpenFlow Table 100.
328 * @param actionIn the {@link org.opendaylight.ovsdb.openstack.netvirt.api.Action} action to be handled.
329 * @param neutronFloatingIP An {@link org.opendaylight.neutron.spi.NeutronFloatingIP} instance of NeutronFloatingIP object.
331 public void handleNeutronFloatingIPEvent(final NeutronFloatingIP neutronFloatingIP,
333 Preconditions.checkNotNull(neutronFloatingIP);
335 LOG.debug(" Floating IP {} {}<->{}, network uuid {}", actionIn,
336 neutronFloatingIP.getFixedIPAddress(),
337 neutronFloatingIP.getFloatingIPAddress(),
338 neutronFloatingIP.getFloatingNetworkUUID());
345 // Consider action to be delete if getFixedIPAddress is null
347 if (neutronFloatingIP.getFixedIPAddress() == null) {
348 action = Action.DELETE;
353 // this.programFlowsForFloatingIP(neutronFloatingIP, action == Action.DELETE);
355 if (action != Action.DELETE) {
356 // must be first, as it updates floatIpDataMapCache
357 programFlowsForFloatingIPArpAdd(neutronFloatingIP);
359 programFlowsForFloatingIPInbound(neutronFloatingIP, Action.ADD);
360 programFlowsForFloatingIPOutbound(neutronFloatingIP, Action.ADD);
362 programFlowsForFloatingIPOutbound(neutronFloatingIP, Action.DELETE);
363 programFlowsForFloatingIPInbound(neutronFloatingIP, Action.DELETE);
365 // must be last, as it updates floatIpDataMapCache
366 programFlowsForFloatingIPArpDelete(neutronFloatingIP.getID());
371 * This method performs creation or deletion of in-bound rules into Table 30 for a existing available floating
372 * ip, otherwise for newer one.
374 private void programFlowsForFloatingIPInbound(final NeutronFloatingIP neutronFloatingIP, final Action action) {
375 Preconditions.checkNotNull(neutronFloatingIP);
377 final FloatIpData fid = floatIpDataMapCache.get(neutronFloatingIP.getID());
379 LOG.trace("programFlowsForFloatingIPInboundAdd {} for {} uuid {} not in local cache",
380 action, neutronFloatingIP.getFloatingIPAddress(), neutronFloatingIP.getID());
383 programInboundIpRewriteStage1(fid.dpid, fid.ofPort, fid.segId, fid.floatingIpAddress, fid.fixedIpAddress,
388 * This method performs creation or deletion of out-bound rules into Table 100 for a existing available floating
389 * ip, otherwise for newer one.
391 private void programFlowsForFloatingIPOutbound(final NeutronFloatingIP neutronFloatingIP, final Action action) {
392 Preconditions.checkNotNull(neutronFloatingIP);
394 final FloatIpData fid = floatIpDataMapCache.get(neutronFloatingIP.getID());
396 LOG.trace("programFlowsForFloatingIPOutbound {} for {} uuid {} not in local cache",
397 action, neutronFloatingIP.getFloatingIPAddress(), neutronFloatingIP.getID());
400 programOutboundIpRewriteStage1(fid, action);
403 private void flushExistingIpRewrite() {
404 for (FloatIpData fid : floatIpDataMapCache.values()) {
405 programOutboundIpRewriteStage1(fid, Action.DELETE);
409 private void rebuildExistingIpRewrite() {
410 for (FloatIpData fid : floatIpDataMapCache.values()) {
411 programOutboundIpRewriteStage1(fid, Action.ADD);
416 * This method creates ARP response rules into OpenFlow Table 30 for a given floating ip. In order to connect
417 * to br-ex from br-int, a patch-port is used. Thus, the patch-port will be responsible to respond the ARP
420 private void programFlowsForFloatingIPArpAdd(final NeutronFloatingIP neutronFloatingIP) {
421 Preconditions.checkNotNull(neutronFloatingIP);
422 Preconditions.checkNotNull(neutronFloatingIP.getFixedIPAddress());
423 Preconditions.checkNotNull(neutronFloatingIP.getFloatingIPAddress());
425 if (floatIpDataMapCache.get(neutronFloatingIP.getID()) != null) {
426 LOG.trace("programFlowsForFloatingIPArpAdd for neutronFloatingIP {} uuid {} is already done",
427 neutronFloatingIP.getFloatingIPAddress(), neutronFloatingIP.getID());
431 // find bridge Node where floating ip is configured by looking up cache for its port
432 final NeutronPort neutronPortForFloatIp = findNeutronPortForFloatingIp(neutronFloatingIP.getID());
433 final String neutronTenantPortUuid = neutronFloatingIP.getPortUUID();
434 final Pair<Long, Uuid> nodeIfPair = neutronPortToDpIdCache.get(neutronTenantPortUuid);
435 final String floatingIpMac = neutronPortForFloatIp == null ? null : neutronPortForFloatIp.getMacAddress();
436 final String fixedIpAddress = neutronFloatingIP.getFixedIPAddress();
437 final String floatingIpAddress = neutronFloatingIP.getFloatingIPAddress();
439 final NeutronPort tenantNeutronPort = neutronPortCache.getPort(neutronTenantPortUuid);
440 final NeutronNetwork tenantNeutronNetwork = tenantNeutronPort != null ?
441 neutronNetworkCache.getNetwork(tenantNeutronPort.getNetworkUUID()) : null;
442 final String providerSegmentationId = tenantNeutronNetwork != null ?
443 tenantNeutronNetwork.getProviderSegmentationID() : null;
444 final String neutronRouterMac = tenantNeutronNetwork != null ?
445 networkIdToRouterMacCache.get(tenantNeutronNetwork.getID()) : null;
447 if (nodeIfPair == null || neutronTenantPortUuid == null ||
448 providerSegmentationId == null || providerSegmentationId.isEmpty() ||
449 floatingIpMac == null || floatingIpMac.isEmpty() ||
450 neutronRouterMac == null || neutronRouterMac.isEmpty()) {
451 LOG.trace("Floating IP {}<->{}, incomplete floatPort {} tenantPortUuid {} seg {} mac {} rtrMac {}",
454 neutronPortForFloatIp,
455 neutronTenantPortUuid,
456 providerSegmentationId,
462 // get ofport for patch port in br-int
463 final Long dpId = nodeIfPair.getLeft();
464 final Long ofPort = findOFPortForExtPatch(dpId);
465 if (ofPort == null) {
466 LOG.warn("Unable to locate OF port of patch port to connect floating ip to external bridge. dpid {}",
471 // Respond to ARPs for the floating ip address by default, via the patch port that connects br-int to br-ex
473 if (programStaticArpStage1(dpId, encodeExcplicitOFPort(ofPort), floatingIpMac, floatingIpAddress,
475 final FloatIpData floatIpData = new FloatIpData(dpId, ofPort, providerSegmentationId, floatingIpMac,
476 floatingIpAddress, fixedIpAddress, neutronRouterMac);
477 floatIpDataMapCache.put(neutronFloatingIP.getID(), floatIpData);
478 LOG.info("Floating IP {}<->{} programmed ARP mac {} on OFport {} seg {} dpid {}",
479 neutronFloatingIP.getFixedIPAddress(), neutronFloatingIP.getFloatingIPAddress(),
480 floatingIpMac, ofPort, providerSegmentationId, dpId);
484 private void programFlowsForFloatingIPArpDelete(final String neutronFloatingIPUuid) {
485 final FloatIpData floatIpData = floatIpDataMapCache.get(neutronFloatingIPUuid);
486 if (floatIpData == null) {
487 LOG.trace("programFlowsForFloatingIPArpDelete for uuid {} is not needed", neutronFloatingIPUuid);
491 if (programStaticArpStage1(floatIpData.dpid, encodeExcplicitOFPort(floatIpData.ofPort), floatIpData.macAddress,
492 floatIpData.floatingIpAddress, Action.DELETE)) {
493 floatIpDataMapCache.remove(neutronFloatingIPUuid);
494 LOG.info("Floating IP {} un-programmed ARP mac {} on {} dpid {}",
495 floatIpData.floatingIpAddress, floatIpData.macAddress, floatIpData.ofPort, floatIpData.dpid);
499 private NeutronPort findNeutronPortForFloatingIp(final String floatingIpUuid) {
500 for (NeutronPort neutronPort : neutronPortCache.getAllPorts()) {
501 if (neutronPort.getDeviceOwner().equals(OWNER_FLOATING_IP) &&
502 neutronPort.getDeviceID().equals(floatingIpUuid)) {
509 private Long findOFPortForExtPatch(Long dpId) {
510 final String brInt = configurationService.getIntegrationBridgeName();
511 final String brExt = configurationService.getExternalBridgeName();
512 final String portNameInt = configurationService.getPatchPortName(new ImmutablePair<>(brInt, brExt));
514 Preconditions.checkNotNull(dpId);
515 Preconditions.checkNotNull(portNameInt);
517 final long dpidPrimitive = dpId;
518 for (Node node : nodeCacheManager.getBridgeNodes()) {
519 if (dpidPrimitive == southbound.getDataPathId(node)) {
520 final OvsdbTerminationPointAugmentation terminationPointOfBridge =
521 southbound.getTerminationPointOfBridge(node, portNameInt);
522 return terminationPointOfBridge == null ? null : terminationPointOfBridge.getOfport();
531 * @param action the {@link org.opendaylight.ovsdb.openstack.netvirt.api.Action} action to be handled.
532 * @param neutronNetwork An {@link org.opendaylight.neutron.spi.NeutronNetwork} instance of NeutronFloatingIP object.
534 public void handleNeutronNetworkEvent(final NeutronNetwork neutronNetwork, Action action) {
535 LOG.debug("neutronNetwork {}: network: {}", action, neutronNetwork);
539 // Callbacks from OVSDB's southbound handler
544 * @param bridgeNode An instance of Node object.
545 * @param intf An {@link org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.ovsdb.rev150105
546 * .OvsdbTerminationPointAugmentation} instance of OvsdbTerminationPointAugmentation object.
547 * @param neutronNetwork An {@link org.opendaylight.neutron.spi.NeutronNetwork} instance of NeutronNetwork
549 * @param action the {@link org.opendaylight.ovsdb.openstack.netvirt.api.Action} action to be handled.
551 public void handleInterfaceEvent(final Node bridgeNode, final OvsdbTerminationPointAugmentation intf,
552 final NeutronNetwork neutronNetwork, Action action) {
553 LOG.debug("southbound interface {} node:{} interface:{}, neutronNetwork:{}",
554 action, bridgeNode.getNodeId().getValue(), intf.getName(), neutronNetwork);
559 final NeutronPort neutronPort = tenantNetworkManager.getTenantPort(intf);
560 final Long dpId = getDpidForIntegrationBridge(bridgeNode);
561 final Uuid interfaceUuid = intf.getInterfaceUuid();
563 LOG.trace("southbound interface {} node:{} interface:{}, neutronNetwork:{} port:{} dpid:{} intfUuid:{}",
564 action, bridgeNode.getNodeId().getValue(), intf.getName(), neutronNetwork, neutronPort, dpId, interfaceUuid);
566 if (neutronPort != null) {
567 final String neutronPortUuid = neutronPort.getPortUUID();
569 if (action != Action.DELETE && neutronPortToDpIdCache.get(neutronPortUuid) == null &&
570 dpId != null && interfaceUuid != null) {
571 handleInterfaceEventAdd(neutronPortUuid, dpId, interfaceUuid);
574 handleNeutronPortEvent(neutronPort, action);
577 if (action == Action.DELETE && interfaceUuid != null) {
578 handleInterfaceEventDelete(intf, dpId);
582 private void handleInterfaceEventAdd(final String neutronPortUuid, Long dpId, final Uuid interfaceUuid) {
583 neutronPortToDpIdCache.put(neutronPortUuid, new ImmutablePair<>(dpId, interfaceUuid));
584 LOG.debug("handleInterfaceEvent add cache entry NeutronPortUuid {} : dpid {}, ifUuid {}",
585 neutronPortUuid, dpId, interfaceUuid.getValue());
588 private void handleInterfaceEventDelete(final OvsdbTerminationPointAugmentation intf, final Long dpId) {
589 // Remove entry from neutronPortToDpIdCache based on interface uuid
590 for (Map.Entry<String, Pair<Long, Uuid>> entry : neutronPortToDpIdCache.entrySet()) {
591 final String currPortUuid = entry.getKey();
592 if (intf.getInterfaceUuid().equals(entry.getValue().getRight())) {
593 LOG.debug("handleInterfaceEventDelete remove cache entry NeutronPortUuid {} : dpid {}, ifUuid {}",
594 currPortUuid, dpId, intf.getInterfaceUuid().getValue());
595 neutronPortToDpIdCache.remove(currPortUuid);
604 private void updateL3ForNeutronPort(final NeutronPort neutronPort, final boolean isDelete) {
606 final String networkUUID = neutronPort.getNetworkUUID();
607 final String routerMacAddress = networkIdToRouterMacCache.get(networkUUID);
609 // If there is no router interface handling the networkUUID, we are done
610 if (routerMacAddress == null || routerMacAddress.isEmpty()) {
614 // If this is the neutron port for the router interface itself, ignore it as well. Ports that represent the
615 // router interface are handled via handleNeutronRouterInterfaceEvent.
616 if (routerMacAddress.equalsIgnoreCase(neutronPort.getMacAddress())) {
620 final NeutronNetwork neutronNetwork = neutronNetworkCache.getNetwork(networkUUID);
621 final String providerSegmentationId = neutronNetwork != null ?
622 neutronNetwork.getProviderSegmentationID() : null;
623 final String tenantMac = neutronPort.getMacAddress();
625 if (providerSegmentationId == null || providerSegmentationId.isEmpty() ||
626 tenantMac == null || tenantMac.isEmpty()) {
627 // done: go no further w/out all the info needed...
631 final Action action = isDelete ? Action.DELETE : Action.ADD;
632 List<Node> nodes = nodeCacheManager.getBridgeNodes();
633 if (nodes.isEmpty()) {
634 LOG.trace("updateL3ForNeutronPort has no nodes to work with");
636 for (Node node : nodes) {
637 final Long dpid = getDpidForIntegrationBridge(node);
642 for (Neutron_IPs neutronIP : neutronPort.getFixedIPs()) {
643 final String tenantIpStr = neutronIP.getIpAddress();
644 if (tenantIpStr.isEmpty()) {
648 // Configure L3 fwd. We do that regardless of tenant network present, because these rules are
649 // still needed when routing to subnets non-local to node (bug 2076).
650 programL3ForwardingStage1(node, dpid, providerSegmentationId, tenantMac, tenantIpStr, action);
652 // Configure distributed ARP responder
653 if (flgDistributedARPEnabled) {
654 programStaticArpStage1(dpid, providerSegmentationId, tenantMac, tenantIpStr, action);
660 private void programL3ForwardingStage1(Node node, Long dpid, String providerSegmentationId,
661 String macAddress, String ipStr,
662 Action actionForNode) {
663 // Based on the local cache, figure out whether programming needs to occur. To do this, we
664 // will look at desired action for node.
666 final String cacheKey = node.getNodeId().getValue() + ":" + providerSegmentationId + ":" + ipStr;
667 final boolean isProgrammed = l3ForwardingCache.contains(cacheKey);
669 if (actionForNode == Action.DELETE && !isProgrammed) {
670 LOG.trace("programL3ForwardingStage1 for node {} providerId {} mac {} ip {} action {} is already done",
671 node.getNodeId().getValue(), providerSegmentationId, macAddress, ipStr, actionForNode);
674 if (actionForNode == Action.ADD && isProgrammed) {
675 LOG.trace("programL3ForwardingStage1 for node {} providerId {} mac {} ip {} action {} is already done",
676 node.getNodeId().getValue(), providerSegmentationId, macAddress, ipStr, actionForNode);
680 Status status = this.programL3ForwardingStage2(node, dpid, providerSegmentationId,
681 macAddress, ipStr, actionForNode);
682 if (status.isSuccess()) {
684 if (actionForNode == Action.ADD) {
685 l3ForwardingCache.add(cacheKey);
687 l3ForwardingCache.remove(cacheKey);
692 private Status programL3ForwardingStage2(Node node, Long dpid, String providerSegmentationId,
695 Action actionForNode) {
698 InetAddress inetAddress = InetAddress.getByName(address);
699 status = l3ForwardingProvider == null ?
700 new Status(StatusCode.SUCCESS) :
701 l3ForwardingProvider.programForwardingTableEntry(dpid, providerSegmentationId,
702 inetAddress, macAddress, actionForNode);
703 } catch (UnknownHostException e) {
704 status = new Status(StatusCode.BADREQUEST);
707 if (status.isSuccess()) {
708 LOG.debug("ProgramL3Forwarding {} for mac:{} addr:{} node:{} action:{}",
709 l3ForwardingProvider == null ? "skipped" : "programmed",
710 macAddress, address, node.getNodeId().getValue(), actionForNode);
712 LOG.error("ProgramL3Forwarding failed for mac:{} addr:{} node:{} action:{} status:{}",
713 macAddress, address, node.getNodeId().getValue(), actionForNode, status);
720 private void programFlowsForNeutronRouterInterface(final NeutronRouter_Interface destNeutronRouterInterface,
722 Preconditions.checkNotNull(destNeutronRouterInterface);
724 final NeutronPort neutronPort = neutronPortCache.getPort(destNeutronRouterInterface.getPortUUID());
725 String macAddress = neutronPort != null ? neutronPort.getMacAddress() : null;
726 List<Neutron_IPs> ipList = neutronPort != null ? neutronPort.getFixedIPs() : null;
727 final NeutronSubnet subnet = neutronSubnetCache.getSubnet(destNeutronRouterInterface.getSubnetUUID());
728 final NeutronNetwork neutronNetwork = subnet != null ?
729 neutronNetworkCache.getNetwork(subnet.getNetworkUUID()) : null;
730 final String destinationSegmentationId = neutronNetwork != null ?
731 neutronNetwork.getProviderSegmentationID() : null;
732 final Boolean isExternal = neutronNetwork != null ? neutronNetwork.getRouterExternal() : Boolean.TRUE;
733 final String cidr = subnet != null ? subnet.getCidr() : null;
734 final int mask = getMaskLenFromCidr(cidr);
736 LOG.trace("programFlowsForNeutronRouterInterface called for interface {} isDelete {}",
737 destNeutronRouterInterface, isDelete);
739 // in delete path, mac address as well as ip address are not provided. Being so, let's find them from
741 if (neutronNetwork != null) {
742 if (macAddress == null || macAddress.isEmpty()) {
743 macAddress = networkIdToRouterMacCache.get(neutronNetwork.getNetworkUUID());
745 if (ipList == null || ipList.isEmpty()) {
746 ipList = networkIdToRouterIpListCache.get(neutronNetwork.getNetworkUUID());
750 if (destinationSegmentationId == null || destinationSegmentationId.isEmpty() ||
751 cidr == null || cidr.isEmpty() ||
752 macAddress == null || macAddress.isEmpty() ||
753 ipList == null || ipList.isEmpty()) {
754 LOG.debug("programFlowsForNeutronRouterInterface is bailing seg:{} cidr:{} mac:{} ip:{}",
755 destinationSegmentationId, cidr, macAddress, ipList);
756 // done: go no further w/out all the info needed...
760 final Action actionForNode = isDelete ? Action.DELETE : Action.ADD;
762 // Keep cache for finding router's mac from network uuid -- add
765 networkIdToRouterMacCache.put(neutronNetwork.getNetworkUUID(), macAddress);
766 networkIdToRouterIpListCache.put(neutronNetwork.getNetworkUUID(), new ArrayList<>(ipList));
767 subnetIdToRouterInterfaceCache.put(subnet.getSubnetUUID(), destNeutronRouterInterface);
770 List<Node> nodes = nodeCacheManager.getBridgeNodes();
771 if (nodes.isEmpty()) {
772 LOG.trace("programFlowsForNeutronRouterInterface has no nodes to work with");
774 for (Node node : nodes) {
775 final Long dpid = getDpidForIntegrationBridge(node);
780 for (Neutron_IPs neutronIP : ipList) {
781 final String ipStr = neutronIP.getIpAddress();
782 if (ipStr.isEmpty()) {
783 LOG.debug("programFlowsForNeutronRouterInterface is skipping node {} ip {}",
784 node.getNodeId().getValue(), ipStr);
788 // Iterate through all other interfaces and add/remove reflexive flows to this interface
790 for (NeutronRouter_Interface srcNeutronRouterInterface : subnetIdToRouterInterfaceCache.values()) {
791 programFlowsForNeutronRouterInterfacePair(node, dpid,
792 srcNeutronRouterInterface, destNeutronRouterInterface,
793 neutronNetwork, destinationSegmentationId,
794 macAddress, ipStr, mask, actionForNode,
795 true /*isReflexsive*/);
799 programFlowForNetworkFromExternal(node, dpid, destinationSegmentationId, macAddress, ipStr, mask,
802 // Enable ARP responder by default, because router interface needs to be responded always.
803 programStaticArpStage1(dpid, destinationSegmentationId, macAddress, ipStr, actionForNode);
806 // Compute action to be programmed. In the case of rewrite exclusions, we must never program rules
807 // for the external neutron networks.
810 final Action actionForRewriteExclusion = isExternal ? Action.DELETE : actionForNode;
811 programIpRewriteExclusionStage1(node, dpid, destinationSegmentationId, cidr, actionForRewriteExclusion);
815 // Keep cache for finding router's mac from network uuid -- NOTE: remove is done later, via cleanupRouterCache()
818 private void programFlowForNetworkFromExternal(final Node node,
820 final String destinationSegmentationId,
821 final String dstMacAddress,
822 final String destIpStr,
824 final Action actionForNode) {
825 programRouterInterfaceStage1(node, dpid, Constants.EXTERNAL_NETWORK, destinationSegmentationId,
826 dstMacAddress, destIpStr, destMask, actionForNode);
829 private void programFlowsForNeutronRouterInterfacePair(final Node node,
831 final NeutronRouter_Interface srcNeutronRouterInterface,
832 final NeutronRouter_Interface dstNeutronRouterInterface,
833 final NeutronNetwork dstNeutronNetwork,
834 final String destinationSegmentationId,
835 final String dstMacAddress,
836 final String destIpStr,
838 final Action actionForNode,
839 Boolean isReflexsive) {
840 Preconditions.checkNotNull(srcNeutronRouterInterface);
841 Preconditions.checkNotNull(dstNeutronRouterInterface);
843 final String sourceSubnetId = srcNeutronRouterInterface.getSubnetUUID();
844 if (sourceSubnetId == null) {
845 LOG.error("Could not get provider Subnet ID from router interface {}",
846 srcNeutronRouterInterface.getID());
850 final NeutronSubnet sourceSubnet = neutronSubnetCache.getSubnet(sourceSubnetId);
851 final String sourceNetworkId = sourceSubnet == null ? null : sourceSubnet.getNetworkUUID();
852 if (sourceNetworkId == null) {
853 LOG.error("Could not get provider Network ID from subnet {}", sourceSubnetId);
857 final NeutronNetwork sourceNetwork = neutronNetworkCache.getNetwork(sourceNetworkId);
858 if (sourceNetwork == null) {
859 LOG.error("Could not get provider Network for Network ID {}", sourceNetworkId);
863 if (! sourceNetwork.getTenantID().equals(dstNeutronNetwork.getTenantID())) {
864 // Isolate subnets from different tenants within the same router
867 final String sourceSegmentationId = sourceNetwork.getProviderSegmentationID();
868 if (sourceSegmentationId == null) {
869 LOG.error("Could not get provider Segmentation ID for Subnet {}", sourceSubnetId);
872 if (sourceSegmentationId.equals(destinationSegmentationId)) {
877 programRouterInterfaceStage1(node, dpid, sourceSegmentationId, destinationSegmentationId,
878 dstMacAddress, destIpStr, destMask, actionForNode);
880 // Flip roles src->dst; dst->src
882 final NeutronPort sourceNeutronPort = neutronPortCache.getPort(srcNeutronRouterInterface.getPortUUID());
883 final String macAddress2 = sourceNeutronPort != null ? sourceNeutronPort.getMacAddress() : null;
884 final List<Neutron_IPs> ipList2 = sourceNeutronPort != null ? sourceNeutronPort.getFixedIPs() : null;
885 final String cidr2 = sourceSubnet.getCidr();
886 final int mask2 = getMaskLenFromCidr(cidr2);
888 if (cidr2 == null || cidr2.isEmpty() ||
889 macAddress2 == null || macAddress2.isEmpty() ||
890 ipList2 == null || ipList2.isEmpty()) {
891 LOG.trace("programFlowsForNeutronRouterInterfacePair reflexive is bailing seg:{} cidr:{} mac:{} ip:{}",
892 sourceSegmentationId, cidr2, macAddress2, ipList2);
893 // done: go no further w/out all the info needed...
897 for (Neutron_IPs neutronIP2 : ipList2) {
898 final String ipStr2 = neutronIP2.getIpAddress();
899 if (ipStr2.isEmpty()) {
902 programFlowsForNeutronRouterInterfacePair(node, dpid, dstNeutronRouterInterface,
903 srcNeutronRouterInterface,
904 sourceNetwork, sourceSegmentationId,
905 macAddress2, ipStr2, mask2, actionForNode,
906 false /*isReflexsive*/);
911 private void programRouterInterfaceStage1(Node node, Long dpid, String sourceSegmentationId,
912 String destinationSegmentationId,
913 String macAddress, String ipStr, int mask,
914 Action actionForNode) {
915 // Based on the local cache, figure out whether programming needs to occur. To do this, we
916 // will look at desired action for node.
918 final String cacheKey = node.getNodeId().getValue() + ":" +
919 sourceSegmentationId + ":" + destinationSegmentationId + ":" +
920 ipStr + "/" + Integer.toString(mask);
921 final boolean isProgrammed = routerInterfacesCache.contains(cacheKey);
923 if (actionForNode == Action.DELETE && !isProgrammed) {
924 LOG.trace("programRouterInterfaceStage1 for node {} sourceSegId {} destSegId {} mac {} ip {} mask {}" +
925 " action {} is already done",
926 node.getNodeId().getValue(), sourceSegmentationId, destinationSegmentationId,
927 macAddress, ipStr, mask, actionForNode);
930 if (actionForNode == Action.ADD && isProgrammed) {
931 LOG.trace("programRouterInterfaceStage1 for node {} sourceSegId {} destSegId {} mac {} ip {} mask {}" +
932 " action {} is already done",
933 node.getNodeId().getValue(), sourceSegmentationId, destinationSegmentationId,
934 macAddress, ipStr, mask, actionForNode);
938 Status status = this.programRouterInterfaceStage2(node, dpid, sourceSegmentationId, destinationSegmentationId,
939 macAddress, ipStr, mask, actionForNode);
940 if (status.isSuccess()) {
942 if (actionForNode == Action.ADD) {
943 // TODO: multiTenantAwareRouter.addInterface(UUID.fromString(tenant), ...);
944 routerInterfacesCache.add(cacheKey);
946 // TODO: multiTenantAwareRouter.removeInterface(...);
947 routerInterfacesCache.remove(cacheKey);
952 private Status programRouterInterfaceStage2(Node node, Long dpid, String sourceSegmentationId,
953 String destinationSegmentationId,
955 String address, int mask,
956 Action actionForNode) {
959 InetAddress inetAddress = InetAddress.getByName(address);
960 status = routingProvider == null ?
961 new Status(StatusCode.SUCCESS) :
962 routingProvider.programRouterInterface(dpid, sourceSegmentationId, destinationSegmentationId,
963 macAddress, inetAddress, mask, actionForNode);
964 } catch (UnknownHostException e) {
965 status = new Status(StatusCode.BADREQUEST);
968 if (status.isSuccess()) {
969 LOG.debug("ProgramRouterInterface {} for mac:{} addr:{}/{} node:{} srcTunId:{} destTunId:{} action:{}",
970 routingProvider == null ? "skipped" : "programmed",
971 macAddress, address, mask, node.getNodeId().getValue(), sourceSegmentationId, destinationSegmentationId,
974 LOG.error("ProgramRouterInterface failed for mac:{} addr:{}/{} node:{} srcTunId:{} destTunId:{} action:{} status:{}",
975 macAddress, address, mask, node.getNodeId().getValue(), sourceSegmentationId, destinationSegmentationId,
976 actionForNode, status);
981 private boolean programStaticArpStage1(Long dpid, String segOrOfPort,
982 String macAddress, String ipStr,
984 // Based on the local cache, figure out whether programming needs to occur. To do this, we
985 // will look at desired action for node.
987 final String cacheKey = dpid + ":" + segOrOfPort + ":" + ipStr;
988 final boolean isProgrammed = staticArpEntryCache.contains(cacheKey);
990 if (action == Action.DELETE && !isProgrammed) {
991 LOG.trace("programStaticArpStage1 dpid {} segOrOfPort {} mac {} ip {} action {} is already done",
992 dpid, segOrOfPort, macAddress, ipStr, action);
995 if (action == Action.ADD && isProgrammed) {
996 LOG.trace("programStaticArpStage1 dpid {} segOrOfPort {} mac {} ip {} action {} is already done",
997 dpid, segOrOfPort, macAddress, ipStr, action);
1001 Status status = this.programStaticArpStage2(dpid, segOrOfPort, macAddress, ipStr, action);
1002 if (status.isSuccess()) {
1004 if (action == Action.ADD) {
1005 staticArpEntryCache.add(cacheKey);
1007 staticArpEntryCache.remove(cacheKey);
1014 private Status programStaticArpStage2(Long dpid,
1021 InetAddress inetAddress = InetAddress.getByName(address);
1022 status = arpProvider == null ?
1023 new Status(StatusCode.SUCCESS) :
1024 arpProvider.programStaticArpEntry(dpid, segOrOfPort,
1025 macAddress, inetAddress, action);
1026 } catch (UnknownHostException e) {
1027 status = new Status(StatusCode.BADREQUEST);
1030 if (status.isSuccess()) {
1031 LOG.debug("ProgramStaticArp {} for mac:{} addr:{} dpid:{} segOrOfPort:{} action:{}",
1032 arpProvider == null ? "skipped" : "programmed",
1033 macAddress, address, dpid, segOrOfPort, action);
1035 LOG.error("ProgramStaticArp failed for mac:{} addr:{} dpid:{} segOrOfPort:{} action:{} status:{}",
1036 macAddress, address, dpid, segOrOfPort, action, status);
1041 private boolean programInboundIpRewriteStage1(Long dpid, Long inboundOFPort, String providerSegmentationId,
1042 String matchAddress, String rewriteAddress,
1044 // Based on the local cache, figure out whether programming needs to occur. To do this, we
1045 // will look at desired action for node.
1047 final String cacheKey = dpid + ":" + inboundOFPort + ":" + providerSegmentationId + ":" + matchAddress;
1048 final boolean isProgrammed = inboundIpRewriteCache.contains(cacheKey);
1050 if (action == Action.DELETE && !isProgrammed) {
1051 LOG.trace("programInboundIpRewriteStage1 dpid {} OFPort {} seg {} matchAddress {} rewriteAddress {}" +
1052 " action {} is already done",
1053 dpid, inboundOFPort, providerSegmentationId, matchAddress, rewriteAddress, action);
1056 if (action == Action.ADD && isProgrammed) {
1057 LOG.trace("programInboundIpRewriteStage1 dpid {} OFPort {} seg {} matchAddress {} rewriteAddress {}" +
1058 " action is already done",
1059 dpid, inboundOFPort, providerSegmentationId, matchAddress, rewriteAddress, action);
1063 Status status = programInboundIpRewriteStage2(dpid, inboundOFPort, providerSegmentationId, matchAddress,
1064 rewriteAddress, action);
1065 if (status.isSuccess()) {
1067 if (action == Action.ADD) {
1068 inboundIpRewriteCache.add(cacheKey);
1070 inboundIpRewriteCache.remove(cacheKey);
1077 private Status programInboundIpRewriteStage2(Long dpid, Long inboundOFPort, String providerSegmentationId,
1078 String matchAddress, String rewriteAddress,
1082 InetAddress inetMatchAddress = InetAddress.getByName(matchAddress);
1083 InetAddress inetRewriteAddress = InetAddress.getByName(rewriteAddress);
1084 status = inboundNatProvider == null ?
1085 new Status(StatusCode.SUCCESS) :
1086 inboundNatProvider.programIpRewriteRule(dpid, inboundOFPort, providerSegmentationId,
1087 inetMatchAddress, inetRewriteAddress,
1089 } catch (UnknownHostException e) {
1090 status = new Status(StatusCode.BADREQUEST);
1093 if (status.isSuccess()) {
1094 final boolean isSkipped = inboundNatProvider == null;
1095 LOG.debug("programInboundIpRewriteStage2 {} for dpid:{} ofPort:{} seg:{} match:{} rewrite:{} action:{}",
1096 isSkipped ? "skipped" : "programmed",
1097 dpid, inboundOFPort, providerSegmentationId, matchAddress, rewriteAddress, action);
1099 LOG.error("programInboundIpRewriteStage2 failed for dpid:{} ofPort:{} seg:{} match:{} rewrite:{} action:{}" +
1101 dpid, inboundOFPort, providerSegmentationId, matchAddress, rewriteAddress, action,
1107 private void programIpRewriteExclusionStage1(Node node, Long dpid, String providerSegmentationId, String cidr,
1108 Action actionForRewriteExclusion) {
1109 // Based on the local cache, figure out whether programming needs to occur. To do this, we
1110 // will look at desired action for node.
1112 final String cacheKey = node.getNodeId().getValue() + ":" + providerSegmentationId + ":" + cidr;
1113 final boolean isProgrammed = outboundIpRewriteExclusionCache.contains(cacheKey);
1115 if (actionForRewriteExclusion == Action.DELETE && !isProgrammed) {
1116 LOG.trace("programIpRewriteExclusionStage1 node {} providerId {} cidr {} action {} is already done",
1117 node.getNodeId().getValue(), providerSegmentationId, cidr, actionForRewriteExclusion);
1120 if (actionForRewriteExclusion == Action.ADD && isProgrammed) {
1121 LOG.trace("programIpRewriteExclusionStage1 node {} providerId {} cidr {} action {} is already done",
1122 node.getNodeId().getValue(), providerSegmentationId, cidr, actionForRewriteExclusion);
1126 Status status = this.programIpRewriteExclusionStage2(node, dpid, providerSegmentationId, cidr,
1127 actionForRewriteExclusion);
1128 if (status.isSuccess()) {
1130 if (actionForRewriteExclusion == Action.ADD) {
1131 outboundIpRewriteExclusionCache.add(cacheKey);
1133 outboundIpRewriteExclusionCache.remove(cacheKey);
1138 private Status programIpRewriteExclusionStage2(Node node, Long dpid, String providerSegmentationId, String cidr,
1139 Action actionForNode) {
1140 final Status status = outboundNatProvider == null ? new Status(StatusCode.SUCCESS) :
1141 outboundNatProvider.programIpRewriteExclusion(dpid, providerSegmentationId, cidr, actionForNode);
1143 if (status.isSuccess()) {
1144 final boolean isSkipped = outboundNatProvider == null;
1145 LOG.debug("IpRewriteExclusion {} for cidr:{} node:{} action:{}",
1146 isSkipped ? "skipped" : "programmed",
1147 cidr, node.getNodeId().getValue(), actionForNode);
1149 LOG.error("IpRewriteExclusion failed for cidr:{} node:{} action:{} status:{}",
1150 cidr, node.getNodeId().getValue(), actionForNode, status);
1155 private void programOutboundIpRewriteStage1(FloatIpData fid, Action action) {
1156 // Based on the local cache, figure out whether programming needs to occur. To do this, we
1157 // will look at desired action for node.
1159 final String cacheKey = fid.dpid + ":" + fid.segId + ":" + fid.fixedIpAddress;
1160 final boolean isProgrammed = outboundIpRewriteCache.contains(cacheKey);
1162 if (action == Action.DELETE && !isProgrammed) {
1163 LOG.trace("programOutboundIpRewriteStage1 dpid {} seg {} fixedIpAddress {} floatIp {} action {} " +
1165 fid.dpid, fid.segId, fid.fixedIpAddress, fid.floatingIpAddress, action);
1168 if (action == Action.ADD && isProgrammed) {
1169 LOG.trace("programOutboundIpRewriteStage1 dpid {} seg {} fixedIpAddress {} floatIp {} action {} " +
1171 fid.dpid, fid.segId, fid.fixedIpAddress, fid.floatingIpAddress, action);
1175 Status status = this.programOutboundIpRewriteStage2(fid, action);
1176 if (status.isSuccess()) {
1178 if (action == Action.ADD) {
1179 outboundIpRewriteCache.add(cacheKey);
1181 outboundIpRewriteCache.remove(cacheKey);
1186 private Status programOutboundIpRewriteStage2(FloatIpData fid, Action action) {
1189 InetAddress matchSrcAddress = InetAddress.getByName(fid.fixedIpAddress);
1190 InetAddress rewriteSrcAddress = InetAddress.getByName(fid.floatingIpAddress);
1191 status = outboundNatProvider == null ?
1192 new Status(StatusCode.SUCCESS) :
1193 outboundNatProvider.programIpRewriteRule(
1194 fid.dpid, fid.segId, fid.neutronRouterMac, matchSrcAddress, fid.macAddress,
1195 this.externalRouterMac, rewriteSrcAddress, fid.ofPort, action);
1196 } catch (UnknownHostException e) {
1197 status = new Status(StatusCode.BADREQUEST);
1200 if (status.isSuccess()) {
1201 final boolean isSkipped = outboundNatProvider == null;
1202 LOG.debug("programOutboundIpRewriteStage2 {} for dpid {} seg {} fixedIpAddress {} floatIp {}" +
1204 isSkipped ? "skipped" : "programmed",
1205 fid.dpid, fid.segId, fid.fixedIpAddress, fid.floatingIpAddress, action);
1207 LOG.error("programOutboundIpRewriteStage2 failed for dpid {} seg {} fixedIpAddress {} floatIp {}" +
1208 " action {} status:{}",
1209 fid.dpid, fid.segId, fid.fixedIpAddress, fid.floatingIpAddress, action, status);
1214 private int getMaskLenFromCidr(String cidr) {
1218 String[] splits = cidr.split("/");
1219 if (splits.length != 2) {
1225 result = Integer.parseInt(splits[1].trim());
1226 } catch (NumberFormatException nfe) {
1232 private Long getDpidForIntegrationBridge(Node node) {
1233 // Check if node is integration bridge; and only then return its dpid
1234 if (southbound.getBridge(node, configurationService.getIntegrationBridgeName()) != null) {
1235 return southbound.getDataPathId(node);
1240 private Long getDpidForExternalBridge(Node node) {
1241 // Check if node is integration bridge; and only then return its dpid
1242 if (southbound.getBridge(node, configurationService.getExternalBridgeName()) != null) {
1243 return southbound.getDataPathId(node);
1248 private Node getExternalBridgeNode(){
1249 //Pickup the first node that has external bridge (br-ex).
1250 //NOTE: We are assuming that all the br-ex are serving one external network and gateway ip of
1251 //the external network is reachable from every br-ex
1252 // TODO: Consider other deployment scenario, and thing of better solution.
1253 List<Node> allBridges = nodeCacheManager.getBridgeNodes();
1254 for(Node node : allBridges){
1255 if (southbound.getBridge(node, configurationService.getExternalBridgeName()) != null) {
1262 private NeutronSubnet getExternalNetworkSubnet(NeutronPort gatewayPort){
1263 for (Neutron_IPs neutronIPs : gatewayPort.getFixedIPs()) {
1264 String subnetUUID = neutronIPs.getSubnetUUID();
1265 NeutronSubnet extSubnet = neutronSubnetCache.getSubnet(subnetUUID);
1266 if (extSubnet != null && extSubnet.getGatewayIP() != null) {
1269 if (extSubnet == null) {
1270 // TODO: when subnet is created, try again.
1271 LOG.debug("subnet {} in not found", subnetUUID);
1277 private void cleanupRouterCache(final NeutronRouter_Interface neutronRouterInterface) {
1280 * Remove the router cache only after deleting the neutron
1283 final NeutronPort neutronPort = neutronPortCache.getPort(neutronRouterInterface.getPortUUID());
1285 if (neutronPort != null) {
1286 networkIdToRouterMacCache.remove(neutronPort.getNetworkUUID());
1287 networkIdToRouterIpListCache.remove(neutronPort.getNetworkUUID());
1288 subnetIdToRouterInterfaceCache.remove(neutronRouterInterface.getSubnetUUID());
1292 public void triggerGatewayMacResolver(final Node node, final NeutronPort gatewayPort ){
1294 Preconditions.checkNotNull(node);
1295 Preconditions.checkNotNull(gatewayPort);
1296 NeutronNetwork externalNetwork = neutronNetworkCache.getNetwork(gatewayPort.getNetworkUUID());
1298 if(externalNetwork != null){
1299 if(externalNetwork.isRouterExternal()){
1300 final NeutronSubnet externalSubnet = getExternalNetworkSubnet(gatewayPort);
1302 // TODO: address IPv6 case.
1303 if (externalSubnet != null &&
1304 externalSubnet.getIpVersion() == 4) {
1305 LOG.info("Trigger MAC resolution for gateway ip {} on Node {}",externalSubnet.getGatewayIP(),node.getNodeId());
1306 ListenableFuture<MacAddress> gatewayMacAddress =
1307 gatewayMacResolver.resolveMacAddress(getDpidForExternalBridge(node),
1308 new Ipv4Address(externalSubnet.getGatewayIP()),
1309 new Ipv4Address(gatewayPort.getFixedIPs().get(0).getIpAddress()),
1310 new MacAddress(gatewayPort.getMacAddress()),
1312 if(gatewayMacAddress != null){
1313 Futures.addCallback(gatewayMacAddress, new FutureCallback<MacAddress>(){
1315 public void onSuccess(MacAddress result) {
1317 if(!result.getValue().equals(externalRouterMac)){
1318 updateExternalRouterMac(result.getValue());
1319 LOG.info("Resolved MAC address for gateway IP {} is {}", externalSubnet.getGatewayIP(),result.getValue());
1322 LOG.warn("MAC address resolution failed for gateway IP {}", externalSubnet.getGatewayIP());
1327 public void onFailure(Throwable t) {
1328 LOG.warn("MAC address resolution failed for gateway IP {}", externalSubnet.getGatewayIP());
1330 }, gatewayMacResolverPool);
1333 LOG.warn("No gateway IP address found for external network {}", externalNetwork);
1337 LOG.warn("Neutron network not found for router interface {}", gatewayPort);
1342 * Return String that represents OF port with marker explicitly provided (reverse of MatchUtils:parseExplicitOFPort)
1344 * @param ofPort the OF port number
1345 * @return the string with encoded OF port (example format "OFPort|999")
1347 public static String encodeExcplicitOFPort(Long ofPort) {
1348 return "OFPort|" + ofPort.toString();
1352 public void setDependencies(ServiceReference serviceReference) {
1353 tenantNetworkManager =
1354 (TenantNetworkManager) ServiceHelper.getGlobalInstance(TenantNetworkManager.class, this);
1355 configurationService =
1356 (ConfigurationService) ServiceHelper.getGlobalInstance(ConfigurationService.class, this);
1358 (ArpProvider) ServiceHelper.getGlobalInstance(ArpProvider.class, this);
1359 inboundNatProvider =
1360 (InboundNatProvider) ServiceHelper.getGlobalInstance(InboundNatProvider.class, this);
1361 outboundNatProvider =
1362 (OutboundNatProvider) ServiceHelper.getGlobalInstance(OutboundNatProvider.class, this);
1364 (RoutingProvider) ServiceHelper.getGlobalInstance(RoutingProvider.class, this);
1365 l3ForwardingProvider =
1366 (L3ForwardingProvider) ServiceHelper.getGlobalInstance(L3ForwardingProvider.class, this);
1368 (NodeCacheManager) ServiceHelper.getGlobalInstance(NodeCacheManager.class, this);
1370 (Southbound) ServiceHelper.getGlobalInstance(Southbound.class, this);
1371 gatewayMacResolver =
1372 (GatewayMacResolver) ServiceHelper.getGlobalInstance(GatewayMacResolver.class, this);
1373 initL3AdapterMembers();
1377 public void setDependencies(Object impl) {
1378 if (impl instanceof INeutronNetworkCRUD) {
1379 neutronNetworkCache = (INeutronNetworkCRUD)impl;
1380 } else if (impl instanceof INeutronPortCRUD) {
1381 neutronPortCache = (INeutronPortCRUD)impl;
1382 } else if (impl instanceof INeutronSubnetCRUD) {
1383 neutronSubnetCache = (INeutronSubnetCRUD)impl;
1384 } else if (impl instanceof ArpProvider) {
1385 arpProvider = (ArpProvider)impl;
1386 } else if (impl instanceof InboundNatProvider) {
1387 inboundNatProvider = (InboundNatProvider)impl;
1388 } else if (impl instanceof OutboundNatProvider) {
1389 outboundNatProvider = (OutboundNatProvider)impl;
1390 } else if (impl instanceof RoutingProvider) {
1391 routingProvider = (RoutingProvider)impl;
1392 } else if (impl instanceof L3ForwardingProvider) {
1393 l3ForwardingProvider = (L3ForwardingProvider)impl;
1394 }else if (impl instanceof GatewayMacResolver) {
1395 gatewayMacResolver = (GatewayMacResolver)impl;