sangho | 0c2a3da | 2016-02-16 13:39:07 +0900 | [diff] [blame] | 1 | /* |
| 2 | * Copyright 2016 Open Networking Laboratory |
| 3 | * |
| 4 | * Licensed under the Apache License, Version 2.0 (the "License"); |
| 5 | * you may not use this file except in compliance with the License. |
| 6 | * You may obtain a copy of the License at |
| 7 | * |
| 8 | * http://www.apache.org/licenses/LICENSE-2.0 |
| 9 | * |
| 10 | * Unless required by applicable law or agreed to in writing, software |
| 11 | * distributed under the License is distributed on an "AS IS" BASIS, |
| 12 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| 13 | * See the License for the specific language governing permissions and |
| 14 | * limitations under the License. |
| 15 | */ |
| 16 | package org.onosproject.openstacknetworking.routing; |
| 17 | |
| 18 | import com.google.common.collect.Lists; |
| 19 | import com.google.common.collect.Maps; |
| 20 | import org.apache.felix.scr.annotations.Activate; |
| 21 | import org.apache.felix.scr.annotations.Component; |
| 22 | import org.apache.felix.scr.annotations.Deactivate; |
| 23 | import org.apache.felix.scr.annotations.Reference; |
| 24 | import org.apache.felix.scr.annotations.ReferenceCardinality; |
| 25 | import org.apache.felix.scr.annotations.Service; |
| 26 | import org.onlab.packet.Ethernet; |
| 27 | import org.onlab.packet.IPv4; |
| 28 | import org.onlab.packet.Ip4Address; |
| 29 | import org.onlab.packet.MacAddress; |
| 30 | import org.onosproject.core.ApplicationId; |
| 31 | import org.onosproject.core.CoreService; |
Kyuhwi Choi | e2b37e3 | 2016-02-05 14:04:14 +0900 | [diff] [blame^] | 32 | import org.onosproject.net.DeviceId; |
| 33 | import org.onosproject.net.Port; |
sangho | 0c2a3da | 2016-02-16 13:39:07 +0900 | [diff] [blame] | 34 | import org.onosproject.net.device.DeviceService; |
| 35 | import org.onosproject.net.driver.DriverService; |
| 36 | import org.onosproject.net.flowobjective.FlowObjectiveService; |
| 37 | import org.onosproject.net.packet.InboundPacket; |
| 38 | import org.onosproject.net.packet.PacketContext; |
| 39 | import org.onosproject.net.packet.PacketProcessor; |
| 40 | import org.onosproject.net.packet.PacketService; |
| 41 | import org.onosproject.openstacknetworking.OpenstackFloatingIP; |
| 42 | import org.onosproject.openstacknetworking.OpenstackNetworkingService; |
| 43 | import org.onosproject.openstacknetworking.OpenstackPort; |
| 44 | import org.onosproject.openstacknetworking.OpenstackRouter; |
| 45 | import org.onosproject.openstacknetworking.OpenstackRouterInterface; |
| 46 | import org.onosproject.openstacknetworking.OpenstackRoutingService; |
| 47 | import org.slf4j.Logger; |
| 48 | import org.slf4j.LoggerFactory; |
| 49 | |
| 50 | import java.util.Collection; |
| 51 | import java.util.List; |
| 52 | import java.util.Map; |
| 53 | import java.util.concurrent.ExecutorService; |
| 54 | import java.util.concurrent.Executors; |
| 55 | import java.util.stream.Collectors; |
| 56 | |
| 57 | import static com.google.common.base.Preconditions.checkNotNull; |
| 58 | import static org.onlab.util.Tools.groupedThreads; |
| 59 | |
sangho | 0c2a3da | 2016-02-16 13:39:07 +0900 | [diff] [blame] | 60 | @Component(immediate = true) |
Kyuhwi Choi | e2b37e3 | 2016-02-05 14:04:14 +0900 | [diff] [blame^] | 61 | @Service |
sangho | 0c2a3da | 2016-02-16 13:39:07 +0900 | [diff] [blame] | 62 | /** |
| 63 | * Populates flow rules about L3 functionality for VMs in Openstack. |
| 64 | */ |
| 65 | public class OpenstackRoutingManager implements OpenstackRoutingService { |
Kyuhwi Choi | e2b37e3 | 2016-02-05 14:04:14 +0900 | [diff] [blame^] | 66 | |
| 67 | private final Logger log = LoggerFactory.getLogger(getClass()); |
sangho | 0c2a3da | 2016-02-16 13:39:07 +0900 | [diff] [blame] | 68 | |
| 69 | @Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY) |
| 70 | protected CoreService coreService; |
| 71 | |
| 72 | @Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY) |
| 73 | protected PacketService packetService; |
| 74 | |
| 75 | @Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY) |
| 76 | protected DeviceService deviceService; |
| 77 | |
| 78 | @Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY) |
| 79 | protected OpenstackNetworkingService openstackService; |
| 80 | |
| 81 | @Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY) |
| 82 | protected FlowObjectiveService flowObjectiveService; |
| 83 | |
| 84 | @Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY) |
| 85 | protected DriverService driverService; |
| 86 | |
| 87 | private ApplicationId appId; |
| 88 | private Map<String, OpenstackRouterInterface> routerInterfaceMap = Maps.newHashMap(); |
| 89 | private Map<Integer, String> portNumMap = initPortNumMap(); |
| 90 | private static final String APP_ID = "org.onosproject.openstackrouting"; |
Kyuhwi Choi | e2b37e3 | 2016-02-05 14:04:14 +0900 | [diff] [blame^] | 91 | private static final String PORT_NAME = "portName"; |
| 92 | private static final String DEVICE_OWNER_ROUTER_INTERFACE = "network:router_interface"; |
| 93 | |
| 94 | // TODO: This will be replaced to get the information from openstackswitchingservice. |
| 95 | private static final String EXTERNAL_INTERFACE_NAME = "veth0"; |
| 96 | |
sangho | 0c2a3da | 2016-02-16 13:39:07 +0900 | [diff] [blame] | 97 | private Map<Integer, String> initPortNumMap() { |
| 98 | Map<Integer, String> map = Maps.newHashMap(); |
| 99 | for (int i = 1024; i < 65535; i++) { |
| 100 | map.put(i, ""); |
| 101 | } |
| 102 | return map; |
| 103 | } |
| 104 | |
| 105 | private InternalPacketProcessor internalPacketProcessor = new InternalPacketProcessor(); |
| 106 | private ExecutorService l3EventExecutorService = |
| 107 | Executors.newSingleThreadExecutor(groupedThreads("onos/openstackrouting", "L3-event")); |
| 108 | private ExecutorService icmpEventExecutorService = |
| 109 | Executors.newSingleThreadExecutor(groupedThreads("onos/openstackrouting", "icmp-event")); |
| 110 | |
| 111 | @Activate |
| 112 | protected void activate() { |
| 113 | appId = coreService.registerApplication(APP_ID); |
| 114 | packetService.addProcessor(internalPacketProcessor, PacketProcessor.director(1)); |
Kyuhwi Choi | e2b37e3 | 2016-02-05 14:04:14 +0900 | [diff] [blame^] | 115 | reloadInitL3Rules(); |
sangho | 0c2a3da | 2016-02-16 13:39:07 +0900 | [diff] [blame] | 116 | log.info("onos-openstackrouting started"); |
| 117 | } |
| 118 | |
| 119 | @Deactivate |
| 120 | protected void deactivate() { |
| 121 | packetService.removeProcessor(internalPacketProcessor); |
| 122 | log.info("onos-openstackrouting stopped"); |
| 123 | } |
| 124 | |
| 125 | |
| 126 | @Override |
| 127 | public void createFloatingIP(OpenstackFloatingIP openstackFloatingIP) { |
| 128 | |
| 129 | } |
| 130 | |
| 131 | @Override |
| 132 | public void updateFloatingIP(OpenstackFloatingIP openstackFloatingIP) { |
| 133 | |
| 134 | } |
| 135 | |
| 136 | @Override |
| 137 | public void deleteFloatingIP(String id) { |
| 138 | |
| 139 | } |
| 140 | |
| 141 | @Override |
| 142 | public void createRouter(OpenstackRouter openstackRouter) { |
| 143 | checkExternalConnection(openstackRouter, getOpenstackRouterInterface(openstackRouter)); |
| 144 | } |
| 145 | |
| 146 | @Override |
| 147 | public void updateRouter(OpenstackRouter openstackRouter) { |
| 148 | checkExternalConnection(openstackRouter, getOpenstackRouterInterface(openstackRouter)); |
| 149 | } |
| 150 | |
| 151 | @Override |
| 152 | public void deleteRouter(String id) { |
| 153 | //TODO |
| 154 | } |
| 155 | |
| 156 | @Override |
| 157 | public void updateRouterInterface(OpenstackRouterInterface routerInterface) { |
| 158 | routerInterfaceMap.putIfAbsent(routerInterface.portId(), routerInterface); |
| 159 | List<OpenstackRouterInterface> routerInterfaces = Lists.newArrayList(); |
| 160 | routerInterfaces.add(routerInterface); |
Kyuhwi Choi | e2b37e3 | 2016-02-05 14:04:14 +0900 | [diff] [blame^] | 161 | checkExternalConnection(getOpenstackRouter(routerInterface.portId()), routerInterfaces); |
sangho | 0c2a3da | 2016-02-16 13:39:07 +0900 | [diff] [blame] | 162 | } |
| 163 | |
| 164 | @Override |
| 165 | public void removeRouterInterface(OpenstackRouterInterface routerInterface) { |
| 166 | OpenstackRoutingRulePopulator rulePopulator = new OpenstackRoutingRulePopulator(appId, |
| 167 | openstackService, flowObjectiveService, deviceService, driverService); |
| 168 | rulePopulator.removeExternalRules(routerInterface); |
| 169 | routerInterfaceMap.remove(routerInterface.portId()); |
| 170 | } |
Kyuhwi Choi | e2b37e3 | 2016-02-05 14:04:14 +0900 | [diff] [blame^] | 171 | |
| 172 | private void reloadInitL3Rules() { |
| 173 | openstackService.ports() |
| 174 | .stream() |
| 175 | .filter(p -> p.deviceOwner().equals(DEVICE_OWNER_ROUTER_INTERFACE)) |
| 176 | .forEach(p -> { |
| 177 | OpenstackRouterInterface routerInterface = portToRouterInterface(p); |
| 178 | updateRouterInterface(routerInterface); |
| 179 | }); |
| 180 | } |
| 181 | |
| 182 | private OpenstackRouterInterface portToRouterInterface(OpenstackPort p) { |
| 183 | OpenstackRouterInterface.Builder osBuilder = new OpenstackRouterInterface.Builder() |
| 184 | .id(checkNotNull(p.id())) |
| 185 | .tenantId(checkNotNull(openstackService.network(p.networkId()).tenantId())) |
| 186 | .subnetId(checkNotNull(p.fixedIps().keySet().stream().findFirst().orElse(null)).toString()) |
| 187 | .portId(checkNotNull(p.deviceId())); |
| 188 | |
| 189 | return osBuilder.build(); |
| 190 | } |
| 191 | |
sangho | 0c2a3da | 2016-02-16 13:39:07 +0900 | [diff] [blame] | 192 | private class InternalPacketProcessor implements PacketProcessor { |
| 193 | |
| 194 | @Override |
| 195 | public void process(PacketContext context) { |
| 196 | |
| 197 | if (context.isHandled()) { |
| 198 | return; |
| 199 | } |
| 200 | |
| 201 | InboundPacket pkt = context.inPacket(); |
| 202 | Ethernet ethernet = pkt.parsed(); |
| 203 | |
| 204 | if (ethernet != null && ethernet.getEtherType() == Ethernet.TYPE_IPV4) { |
| 205 | IPv4 iPacket = (IPv4) ethernet.getPayload(); |
| 206 | OpenstackRoutingRulePopulator rulePopulator = new OpenstackRoutingRulePopulator(appId, |
| 207 | openstackService, flowObjectiveService, deviceService, |
| 208 | driverService); |
| 209 | switch (iPacket.getProtocol()) { |
| 210 | case IPv4.PROTOCOL_ICMP: |
| 211 | icmpEventExecutorService.execute(new OpenstackIcmpHandler(rulePopulator, context)); |
| 212 | break; |
| 213 | default: |
| 214 | int portNum = getPortNum(ethernet.getSourceMAC(), iPacket.getDestinationAddress()); |
Kyuhwi Choi | e2b37e3 | 2016-02-05 14:04:14 +0900 | [diff] [blame^] | 215 | Port port = getExternalPort(pkt.receivedFrom().deviceId(), EXTERNAL_INTERFACE_NAME); |
| 216 | if (port == null) { |
| 217 | log.warn("There`s no external interface"); |
| 218 | break; |
| 219 | } |
sangho | 0c2a3da | 2016-02-16 13:39:07 +0900 | [diff] [blame] | 220 | OpenstackPort openstackPort = getOpenstackPort(ethernet.getSourceMAC(), |
| 221 | Ip4Address.valueOf(iPacket.getSourceAddress())); |
| 222 | l3EventExecutorService.execute(new OpenstackPnatHandler(rulePopulator, context, |
Kyuhwi Choi | e2b37e3 | 2016-02-05 14:04:14 +0900 | [diff] [blame^] | 223 | portNum, openstackPort, port)); |
sangho | 0c2a3da | 2016-02-16 13:39:07 +0900 | [diff] [blame] | 224 | break; |
| 225 | } |
| 226 | |
| 227 | } |
| 228 | } |
| 229 | |
| 230 | private int getPortNum(MacAddress sourceMac, int destinationAddress) { |
| 231 | int portNum = portNumMap.keySet().stream() |
| 232 | .filter(k -> portNumMap.get(k).equals("")).findFirst().orElse(0); |
| 233 | portNumMap.replace(portNum, sourceMac.toString().concat(":").concat(String.valueOf(destinationAddress))); |
| 234 | return portNum; |
| 235 | } |
| 236 | } |
| 237 | |
Kyuhwi Choi | e2b37e3 | 2016-02-05 14:04:14 +0900 | [diff] [blame^] | 238 | private Port getExternalPort(DeviceId deviceId, String interfaceName) { |
| 239 | return deviceService.getPorts(deviceId) |
| 240 | .stream() |
| 241 | .filter(p -> p.annotations().value(PORT_NAME).equals(interfaceName)) |
| 242 | .findAny() |
| 243 | .orElse(null); |
| 244 | } |
| 245 | |
sangho | 0c2a3da | 2016-02-16 13:39:07 +0900 | [diff] [blame] | 246 | private void checkExternalConnection(OpenstackRouter router, |
| 247 | Collection<OpenstackRouterInterface> routerInterfaces) { |
| 248 | checkNotNull(router, "Router can not be null"); |
Kyuhwi Choi | e2b37e3 | 2016-02-05 14:04:14 +0900 | [diff] [blame^] | 249 | checkNotNull(routerInterfaces, "routerInterfaces can not be null"); |
sangho | 0c2a3da | 2016-02-16 13:39:07 +0900 | [diff] [blame] | 250 | Ip4Address externalIp = router.gatewayExternalInfo().externalFixedIps() |
| 251 | .values().stream().findFirst().orElse(null); |
| 252 | if ((externalIp == null) || (!router.gatewayExternalInfo().isEnablePnat())) { |
Kyuhwi Choi | e2b37e3 | 2016-02-05 14:04:14 +0900 | [diff] [blame^] | 253 | log.debug("Not satisfied to set pnat configuration"); |
sangho | 0c2a3da | 2016-02-16 13:39:07 +0900 | [diff] [blame] | 254 | return; |
| 255 | } |
Kyuhwi Choi | e2b37e3 | 2016-02-05 14:04:14 +0900 | [diff] [blame^] | 256 | routerInterfaces.forEach(routerInterface -> initiateL3Rule(router, routerInterface)); |
sangho | 0c2a3da | 2016-02-16 13:39:07 +0900 | [diff] [blame] | 257 | } |
| 258 | |
| 259 | private void initiateL3Rule(OpenstackRouter router, OpenstackRouterInterface routerInterface) { |
| 260 | long vni = Long.parseLong(openstackService.network(openstackService |
Kyuhwi Choi | e2b37e3 | 2016-02-05 14:04:14 +0900 | [diff] [blame^] | 261 | .port(routerInterface.id()).networkId()).segmentId()); |
sangho | 0c2a3da | 2016-02-16 13:39:07 +0900 | [diff] [blame] | 262 | OpenstackRoutingRulePopulator rulePopulator = new OpenstackRoutingRulePopulator(appId, |
| 263 | openstackService, flowObjectiveService, deviceService, driverService); |
| 264 | rulePopulator.populateExternalRules(vni, router, routerInterface); |
| 265 | } |
| 266 | |
| 267 | private Collection<OpenstackRouterInterface> getOpenstackRouterInterface(OpenstackRouter router) { |
| 268 | return routerInterfaceMap.values().stream().filter(i -> i.id().equals(router.id())) |
| 269 | .collect(Collectors.toList()); |
| 270 | } |
| 271 | |
Kyuhwi Choi | e2b37e3 | 2016-02-05 14:04:14 +0900 | [diff] [blame^] | 272 | private OpenstackRouter getOpenstackRouter(String id) { |
sangho | 0c2a3da | 2016-02-16 13:39:07 +0900 | [diff] [blame] | 273 | return openstackService.routers().stream().filter(r -> |
Kyuhwi Choi | e2b37e3 | 2016-02-05 14:04:14 +0900 | [diff] [blame^] | 274 | r.id().equals(id)).findAny().orElse(null); |
sangho | 0c2a3da | 2016-02-16 13:39:07 +0900 | [diff] [blame] | 275 | } |
| 276 | |
| 277 | private OpenstackPort getOpenstackPort(MacAddress sourceMac, Ip4Address ip4Address) { |
Kyuhwi Choi | e2b37e3 | 2016-02-05 14:04:14 +0900 | [diff] [blame^] | 278 | OpenstackPort openstackPort = openstackService.ports().stream() |
sangho | 0c2a3da | 2016-02-16 13:39:07 +0900 | [diff] [blame] | 279 | .filter(p -> p.macAddress().equals(sourceMac)).findFirst().orElse(null); |
Kyuhwi Choi | e2b37e3 | 2016-02-05 14:04:14 +0900 | [diff] [blame^] | 280 | return checkNotNull(openstackPort.fixedIps().values().stream().findFirst().orElse(null)) |
sangho | 0c2a3da | 2016-02-16 13:39:07 +0900 | [diff] [blame] | 281 | .equals(ip4Address) ? openstackPort : null; |
| 282 | } |
| 283 | |
| 284 | } |