Jian Li | 3e70d8a | 2018-03-28 13:56:41 +0900 | [diff] [blame] | 1 | /* |
| 2 | * Copyright 2018-present Open Networking Foundation |
| 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.impl; |
| 17 | |
| 18 | import com.google.common.collect.ImmutableSet; |
| 19 | import org.junit.After; |
| 20 | import org.junit.Before; |
| 21 | import org.junit.Test; |
| 22 | import org.onlab.packet.DHCP; |
| 23 | import org.onlab.packet.Ethernet; |
| 24 | import org.onlab.packet.IPv4; |
| 25 | import org.onlab.packet.Ip4Address; |
| 26 | import org.onlab.packet.IpAddress; |
| 27 | import org.onlab.packet.MacAddress; |
| 28 | import org.onlab.packet.UDP; |
| 29 | import org.onlab.packet.dhcp.DhcpOption; |
| 30 | import org.onosproject.cfg.ComponentConfigAdapter; |
| 31 | import org.onosproject.cluster.ClusterServiceAdapter; |
| 32 | import org.onosproject.cluster.LeadershipServiceAdapter; |
| 33 | import org.onosproject.core.ApplicationId; |
| 34 | import org.onosproject.core.CoreServiceAdapter; |
| 35 | import org.onosproject.core.DefaultApplicationId; |
| 36 | import org.onosproject.net.DeviceId; |
| 37 | import org.onosproject.net.HostId; |
| 38 | import org.onosproject.net.PortNumber; |
| 39 | import org.onosproject.net.packet.DefaultInboundPacket; |
| 40 | import org.onosproject.net.packet.DefaultPacketContext; |
| 41 | import org.onosproject.net.packet.InboundPacket; |
| 42 | import org.onosproject.net.packet.OutboundPacket; |
| 43 | import org.onosproject.net.packet.PacketContext; |
| 44 | import org.onosproject.net.packet.PacketProcessor; |
| 45 | import org.onosproject.net.packet.PacketServiceAdapter; |
| 46 | import org.onosproject.openstacknetworking.api.InstancePort; |
| 47 | import org.openstack4j.model.network.AllowedAddressPair; |
| 48 | import org.openstack4j.model.network.HostRoute; |
| 49 | import org.openstack4j.model.network.IP; |
| 50 | import org.openstack4j.model.network.IPVersionType; |
| 51 | import org.openstack4j.model.network.Ipv6AddressMode; |
| 52 | import org.openstack4j.model.network.Ipv6RaMode; |
| 53 | import org.openstack4j.model.network.Pool; |
| 54 | import org.openstack4j.model.network.Port; |
| 55 | import org.openstack4j.model.network.State; |
| 56 | import org.openstack4j.model.network.Subnet; |
| 57 | import org.openstack4j.model.network.builder.PortBuilder; |
| 58 | import org.openstack4j.model.network.builder.SubnetBuilder; |
| 59 | import org.openstack4j.openstack.networking.domain.NeutronIP; |
| 60 | |
| 61 | import java.nio.ByteBuffer; |
| 62 | import java.util.ArrayList; |
| 63 | import java.util.List; |
| 64 | import java.util.Map; |
| 65 | import java.util.Set; |
| 66 | |
| 67 | import static org.junit.Assert.assertEquals; |
| 68 | import static org.junit.Assert.fail; |
| 69 | import static org.onosproject.net.NetTestTools.connectPoint; |
| 70 | |
| 71 | /** |
| 72 | * Unit tests for Openstack switching DHCP handler. |
| 73 | */ |
| 74 | public class OpenstackSwitchingDhcpHandlerTest { |
| 75 | |
| 76 | private OpenstackSwitchingDhcpHandler dhcpHandler; |
| 77 | |
| 78 | protected PacketProcessor packetProcessor; |
| 79 | |
| 80 | private static final HostId CLIENT_HOST = |
| 81 | HostId.hostId(MacAddress.valueOf("1a:1a:1a:1a:1a:1a")); |
| 82 | private static final String EXPECTED_IP = "10.2.0.2"; |
| 83 | private static final String EXPECTED_CIDR = "10.2.0.0/24"; |
| 84 | private static final String EXPECTED_GATEWAY = "10.2.0.1"; |
| 85 | private static final Ip4Address BROADCAST = |
| 86 | Ip4Address.valueOf("255.255.255.255"); |
| 87 | private static final int TRANSACTION_ID = 1986; |
| 88 | |
| 89 | private static final String IP_SUBNET_ID = "1"; |
| 90 | |
| 91 | private DHCP.MsgType testMsgType; |
| 92 | |
| 93 | @Before |
| 94 | public void setUp() { |
| 95 | dhcpHandler = new OpenstackSwitchingDhcpHandler(); |
| 96 | dhcpHandler.coreService = new TestCoreService(); |
| 97 | dhcpHandler.configService = new TestConfigService(); |
| 98 | dhcpHandler.packetService = new TestPacketService(); |
| 99 | dhcpHandler.instancePortService = new TestInstancePortService(); |
| 100 | dhcpHandler.osNetworkService = new TestOpenstackNetworkService(); |
| 101 | dhcpHandler.osNodeService = new TestOpenstackNodeService(); |
| 102 | dhcpHandler.osFlowRuleService = new TestOpenstackFlowRuleService(); |
| 103 | dhcpHandler.clusterService = new TestClusterService(); |
| 104 | dhcpHandler.leadershipService = new TestLeadershipService(); |
| 105 | dhcpHandler.activate(); |
| 106 | } |
| 107 | |
| 108 | @After |
| 109 | public void tearDown() { |
| 110 | dhcpHandler.deactivate(); |
| 111 | } |
| 112 | |
| 113 | /** |
| 114 | * Tests the response to a DHCP Discover Packet. |
| 115 | */ |
| 116 | @Test |
| 117 | public void testDiscover() { |
| 118 | Ethernet dhcpDiscover = constructDhcpPacket(DHCP.MsgType.DHCPDISCOVER); |
| 119 | testMsgType = DHCP.MsgType.DHCPDISCOVER; |
| 120 | sendPacket(dhcpDiscover); |
| 121 | } |
| 122 | |
| 123 | /** |
| 124 | * Tests the response to a DHCP Request Packet. |
| 125 | */ |
| 126 | @Test |
| 127 | public void testRequest() { |
| 128 | Ethernet dhcpRequest = constructDhcpPacket(DHCP.MsgType.DHCPREQUEST); |
| 129 | testMsgType = DHCP.MsgType.DHCPREQUEST; |
| 130 | sendPacket(dhcpRequest); |
| 131 | } |
| 132 | |
| 133 | /** |
| 134 | * Sends an Ethernet packet to the process method of the Packet Processor. |
| 135 | * |
| 136 | * @param ethernet Ethernet packet |
| 137 | */ |
| 138 | private void sendPacket(Ethernet ethernet) { |
| 139 | final ByteBuffer byteBuffer = ByteBuffer.wrap(ethernet.serialize()); |
| 140 | InboundPacket inPacket = new DefaultInboundPacket(connectPoint("1", 1), |
| 141 | ethernet, |
| 142 | byteBuffer); |
| 143 | |
| 144 | PacketContext context = new TestPacketContext(127L, inPacket, null, false); |
| 145 | packetProcessor.process(context); |
| 146 | } |
| 147 | |
| 148 | /** |
| 149 | * Validates the contents of the packet sent by the OpenstackSwitchingDhcpHandler. |
| 150 | * |
| 151 | * @param packet Ethernet packet received |
| 152 | */ |
| 153 | private void validatePacket(Ethernet packet) { |
| 154 | DHCP dhcpPacket = (DHCP) packet.getPayload().getPayload().getPayload(); |
| 155 | assertEquals(MacAddress.valueOf(dhcpPacket.getClientHardwareAddress()), CLIENT_HOST.mac()); |
| 156 | assertEquals(Ip4Address.valueOf(dhcpPacket.getYourIPAddress()), Ip4Address.valueOf(EXPECTED_IP)); |
| 157 | assertEquals(dhcpPacket.getTransactionId(), TRANSACTION_ID); |
| 158 | |
| 159 | if (testMsgType == DHCP.MsgType.DHCPDISCOVER) { |
| 160 | assertEquals(dhcpPacket.getPacketType(), DHCP.MsgType.DHCPOFFER); |
| 161 | } |
| 162 | |
| 163 | if (testMsgType == DHCP.MsgType.DHCPREQUEST) { |
| 164 | assertEquals(dhcpPacket.getPacketType(), DHCP.MsgType.DHCPACK); |
| 165 | } |
| 166 | } |
| 167 | |
| 168 | /** |
| 169 | * Constructs an Ethernet packet containing a DHCP payload. |
| 170 | * |
| 171 | * @param msgType DHCP message type |
| 172 | * @return Ethernet packet |
| 173 | */ |
| 174 | private Ethernet constructDhcpPacket(DHCP.MsgType msgType) { |
| 175 | |
| 176 | // Ethernet frame |
| 177 | Ethernet ethFrame = new Ethernet(); |
| 178 | ethFrame.setSourceMACAddress(CLIENT_HOST.mac()); |
| 179 | ethFrame.setDestinationMACAddress(MacAddress.BROADCAST); |
| 180 | ethFrame.setEtherType(Ethernet.TYPE_IPV4); |
| 181 | ethFrame.setVlanID((short) 2); |
| 182 | |
| 183 | // IP packet |
| 184 | IPv4 ipv4Pkt = new IPv4(); |
| 185 | ipv4Pkt.setSourceAddress(0); |
| 186 | ipv4Pkt.setDestinationAddress(BROADCAST.toInt()); |
| 187 | ipv4Pkt.setTtl((byte) 127); |
| 188 | |
| 189 | // UDP datagram |
| 190 | UDP udpDatagram = new UDP(); |
| 191 | udpDatagram.setSourcePort((byte) UDP.DHCP_CLIENT_PORT); |
| 192 | udpDatagram.setDestinationPort((byte) UDP.DHCP_SERVER_PORT); |
| 193 | |
| 194 | // DHCP payload |
| 195 | DHCP dhcp = new DHCP(); |
| 196 | |
| 197 | dhcp.setOpCode(DHCP.OPCODE_REQUEST); |
| 198 | |
| 199 | dhcp.setYourIPAddress(0); |
| 200 | dhcp.setServerIPAddress(0); |
| 201 | |
| 202 | dhcp.setTransactionId(TRANSACTION_ID); |
| 203 | dhcp.setClientHardwareAddress(CLIENT_HOST.mac().toBytes()); |
| 204 | dhcp.setHardwareType(DHCP.HWTYPE_ETHERNET); |
| 205 | dhcp.setHardwareAddressLength((byte) 6); |
| 206 | |
| 207 | // DHCP options start... |
| 208 | DhcpOption option = new DhcpOption(); |
| 209 | List<DhcpOption> optionList = new ArrayList<>(); |
| 210 | |
| 211 | // DHCP message type |
| 212 | option.setCode(DHCP.DHCPOptionCode.OptionCode_MessageType.getValue()); |
| 213 | option.setLength((byte) 1); |
| 214 | byte[] optionData = {(byte) msgType.getValue()}; |
| 215 | option.setData(optionData); |
| 216 | optionList.add(option); |
| 217 | |
| 218 | // DHCP requested IP address |
| 219 | option = new DhcpOption(); |
| 220 | option.setCode(DHCP.DHCPOptionCode.OptionCode_RequestedIP.getValue()); |
| 221 | option.setLength((byte) 4); |
| 222 | optionData = Ip4Address.valueOf(EXPECTED_IP).toOctets(); |
| 223 | option.setData(optionData); |
| 224 | optionList.add(option); |
| 225 | |
| 226 | // DHCP options end... |
| 227 | option = new DhcpOption(); |
| 228 | option.setCode(DHCP.DHCPOptionCode.OptionCode_END.getValue()); |
| 229 | option.setLength((byte) 1); |
| 230 | optionList.add(option); |
| 231 | |
| 232 | dhcp.setOptions(optionList); |
| 233 | |
| 234 | udpDatagram.setPayload(dhcp); |
| 235 | ipv4Pkt.setPayload(udpDatagram); |
| 236 | ethFrame.setPayload(ipv4Pkt); |
| 237 | |
| 238 | return ethFrame; |
| 239 | } |
| 240 | |
| 241 | /** |
| 242 | * Mocks the CoreService. |
| 243 | */ |
| 244 | private class TestCoreService extends CoreServiceAdapter { |
| 245 | |
| 246 | @Override |
| 247 | public ApplicationId registerApplication(String name) { |
| 248 | return new DefaultApplicationId(100, "dhcpTestApp"); |
| 249 | } |
| 250 | } |
| 251 | |
| 252 | /** |
| 253 | * Mocks the ComponentConfigRegistry. |
| 254 | */ |
| 255 | private class TestConfigService extends ComponentConfigAdapter { |
| 256 | } |
| 257 | |
| 258 | /** |
| 259 | * Mocks the ClusterService. |
| 260 | */ |
| 261 | private class TestClusterService extends ClusterServiceAdapter { |
| 262 | } |
| 263 | |
| 264 | /** |
| 265 | * Mocks the LeadershipService. |
| 266 | */ |
| 267 | private class TestLeadershipService extends LeadershipServiceAdapter { |
| 268 | } |
| 269 | |
| 270 | /** |
| 271 | * Mocks the InstancePortService. |
| 272 | */ |
| 273 | private class TestInstancePortService extends InstancePortServiceAdapter { |
| 274 | |
| 275 | @Override |
| 276 | public InstancePort instancePort(MacAddress macAddress) { |
| 277 | return new TestInstancePort(); |
| 278 | } |
| 279 | } |
| 280 | |
| 281 | /** |
| 282 | * Mocks the OpenstackNetworkService. |
| 283 | */ |
| 284 | private class TestOpenstackNetworkService extends OpenstackNetworkServiceAdapter { |
| 285 | @Override |
| 286 | public Port port(String portId) { |
| 287 | return new TestPort(); |
| 288 | } |
| 289 | |
| 290 | @Override |
| 291 | public Subnet subnet(String subnetId) { |
| 292 | return new TestSubnet(); |
| 293 | } |
| 294 | |
| 295 | /** |
| 296 | * Mocks the Neutron port. |
| 297 | */ |
| 298 | private class TestPort implements Port { |
| 299 | |
| 300 | @Override |
| 301 | public State getState() { |
| 302 | return null; |
| 303 | } |
| 304 | |
| 305 | @Override |
| 306 | public boolean isAdminStateUp() { |
| 307 | return false; |
| 308 | } |
| 309 | |
| 310 | @Override |
| 311 | public String getNetworkId() { |
| 312 | return null; |
| 313 | } |
| 314 | |
| 315 | @Override |
| 316 | public String getDeviceId() { |
| 317 | return null; |
| 318 | } |
| 319 | |
| 320 | @Override |
| 321 | public String getDeviceOwner() { |
| 322 | return null; |
| 323 | } |
| 324 | |
| 325 | @Override |
| 326 | public Set<? extends IP> getFixedIps() { |
| 327 | return ImmutableSet.of(new NeutronIP(EXPECTED_IP, IP_SUBNET_ID)); |
| 328 | } |
| 329 | |
| 330 | @Override |
| 331 | public Set<? extends AllowedAddressPair> getAllowedAddressPairs() { |
| 332 | return null; |
| 333 | } |
| 334 | |
| 335 | @Override |
| 336 | public String getMacAddress() { |
| 337 | return null; |
| 338 | } |
| 339 | |
| 340 | @Override |
| 341 | public List<String> getSecurityGroups() { |
| 342 | return null; |
| 343 | } |
| 344 | |
| 345 | @Override |
| 346 | public Boolean isPortSecurityEnabled() { |
| 347 | return null; |
| 348 | } |
| 349 | |
| 350 | @Override |
| 351 | public String getHostId() { |
| 352 | return null; |
| 353 | } |
| 354 | |
| 355 | @Override |
| 356 | public String getVifType() { |
| 357 | return null; |
| 358 | } |
| 359 | |
| 360 | @Override |
| 361 | public Map<String, Object> getVifDetails() { |
| 362 | return null; |
| 363 | } |
| 364 | |
| 365 | @Override |
| 366 | public String getvNicType() { |
| 367 | return null; |
| 368 | } |
| 369 | |
| 370 | @Override |
| 371 | public Map<String, Object> getProfile() { |
| 372 | return null; |
| 373 | } |
| 374 | |
| 375 | @Override |
| 376 | public PortBuilder toBuilder() { |
| 377 | return null; |
| 378 | } |
| 379 | |
| 380 | @Override |
| 381 | public String getTenantId() { |
| 382 | return null; |
| 383 | } |
| 384 | |
| 385 | @Override |
| 386 | public void setTenantId(String tenantId) { |
| 387 | |
| 388 | } |
| 389 | |
| 390 | @Override |
| 391 | public String getName() { |
| 392 | return null; |
| 393 | } |
| 394 | |
| 395 | @Override |
| 396 | public void setName(String name) { |
| 397 | |
| 398 | } |
| 399 | |
| 400 | @Override |
| 401 | public String getId() { |
| 402 | return null; |
| 403 | } |
| 404 | |
| 405 | @Override |
| 406 | public void setId(String id) { |
| 407 | |
| 408 | } |
| 409 | } |
| 410 | |
| 411 | /** |
| 412 | * Mocks the Neutron subnet. |
| 413 | */ |
| 414 | private class TestSubnet implements Subnet { |
| 415 | |
| 416 | @Override |
| 417 | public boolean isDHCPEnabled() { |
| 418 | return false; |
| 419 | } |
| 420 | |
| 421 | @Override |
| 422 | public String getNetworkId() { |
| 423 | return null; |
| 424 | } |
| 425 | |
| 426 | @Override |
| 427 | public List<String> getDnsNames() { |
| 428 | return null; |
| 429 | } |
| 430 | |
| 431 | @Override |
| 432 | public List<? extends Pool> getAllocationPools() { |
| 433 | return null; |
| 434 | } |
| 435 | |
| 436 | @Override |
| 437 | public List<? extends HostRoute> getHostRoutes() { |
| 438 | return null; |
| 439 | } |
| 440 | |
| 441 | @Override |
| 442 | public IPVersionType getIpVersion() { |
| 443 | return null; |
| 444 | } |
| 445 | |
| 446 | @Override |
| 447 | public String getGateway() { |
| 448 | return EXPECTED_GATEWAY; |
| 449 | } |
| 450 | |
| 451 | @Override |
| 452 | public String getCidr() { |
| 453 | return EXPECTED_CIDR; |
| 454 | } |
| 455 | |
| 456 | @Override |
| 457 | public Ipv6AddressMode getIpv6AddressMode() { |
| 458 | return null; |
| 459 | } |
| 460 | |
| 461 | @Override |
| 462 | public Ipv6RaMode getIpv6RaMode() { |
| 463 | return null; |
| 464 | } |
| 465 | |
| 466 | @Override |
| 467 | public SubnetBuilder toBuilder() { |
| 468 | return null; |
| 469 | } |
| 470 | |
| 471 | @Override |
| 472 | public String getTenantId() { |
| 473 | return null; |
| 474 | } |
| 475 | |
| 476 | @Override |
| 477 | public void setTenantId(String tenantId) { |
| 478 | |
| 479 | } |
| 480 | |
| 481 | @Override |
| 482 | public String getName() { |
| 483 | return null; |
| 484 | } |
| 485 | |
| 486 | @Override |
| 487 | public void setName(String name) { |
| 488 | |
| 489 | } |
| 490 | |
| 491 | @Override |
| 492 | public String getId() { |
| 493 | return null; |
| 494 | } |
| 495 | |
| 496 | @Override |
| 497 | public void setId(String id) { |
| 498 | |
| 499 | } |
| 500 | } |
| 501 | } |
| 502 | |
| 503 | /** |
| 504 | * Mocks the OpenstackNodeService. |
| 505 | */ |
| 506 | private class TestOpenstackNodeService extends OpenstackNodeServiceAdapter { |
| 507 | |
| 508 | } |
| 509 | |
| 510 | /** |
| 511 | * Mocks the OpenstackFlowRuleService. |
| 512 | */ |
| 513 | private class TestOpenstackFlowRuleService extends OpenstackFlowRuleServiceAdapter { |
| 514 | } |
| 515 | |
| 516 | /** |
| 517 | * Mocks the instance port. |
| 518 | */ |
| 519 | private final class TestInstancePort implements InstancePort { |
| 520 | |
| 521 | @Override |
| 522 | public String networkId() { |
| 523 | return null; |
| 524 | } |
| 525 | |
| 526 | @Override |
| 527 | public String portId() { |
| 528 | return null; |
| 529 | } |
| 530 | |
| 531 | @Override |
| 532 | public MacAddress macAddress() { |
| 533 | return null; |
| 534 | } |
| 535 | |
| 536 | @Override |
| 537 | public IpAddress ipAddress() { |
| 538 | return IpAddress.valueOf(EXPECTED_IP); |
| 539 | } |
| 540 | |
| 541 | @Override |
| 542 | public DeviceId deviceId() { |
| 543 | return null; |
| 544 | } |
| 545 | |
| 546 | @Override |
| 547 | public PortNumber portNumber() { |
| 548 | return null; |
| 549 | } |
| 550 | } |
| 551 | |
| 552 | /** |
| 553 | * Mocks the DefaultPacket context. |
| 554 | */ |
| 555 | private final class TestPacketContext extends DefaultPacketContext { |
| 556 | private TestPacketContext(long time, InboundPacket inPkt, |
| 557 | OutboundPacket outPkt, boolean block) { |
| 558 | super(time, inPkt, outPkt, block); |
| 559 | } |
| 560 | |
| 561 | @Override |
| 562 | public void send() { |
| 563 | // We don't send anything out. |
| 564 | } |
| 565 | } |
| 566 | |
| 567 | /** |
| 568 | * Keeps a reference to the PacketProcessor and verifies the OutboundPackets. |
| 569 | */ |
| 570 | private class TestPacketService extends PacketServiceAdapter { |
| 571 | |
| 572 | @Override |
| 573 | public void addProcessor(PacketProcessor processor, int priority) { |
| 574 | packetProcessor = processor; |
| 575 | } |
| 576 | |
| 577 | @Override |
| 578 | public void emit(OutboundPacket packet) { |
| 579 | try { |
| 580 | Ethernet eth = Ethernet.deserializer().deserialize(packet.data().array(), |
| 581 | 0, packet.data().array().length); |
| 582 | validatePacket(eth); |
| 583 | } catch (Exception e) { |
| 584 | fail(e.getMessage()); |
| 585 | } |
| 586 | } |
| 587 | } |
| 588 | } |