Brian Stanke | fb61df4 | 2016-07-25 11:47:51 -0400 | [diff] [blame] | 1 | /* |
| 2 | * Copyright 2016-present 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 | |
| 17 | package org.onosproject.incubator.net.virtual.impl; |
| 18 | |
| 19 | import org.junit.After; |
| 20 | import org.junit.Before; |
| 21 | import org.junit.Test; |
| 22 | import org.onlab.junit.TestUtils; |
| 23 | import org.onosproject.common.event.impl.TestEventDispatcher; |
| 24 | import org.onosproject.core.CoreService; |
| 25 | import org.onosproject.core.CoreServiceAdapter; |
| 26 | import org.onosproject.core.IdGenerator; |
| 27 | import org.onosproject.event.Event; |
| 28 | import org.onosproject.incubator.net.tunnel.TunnelId; |
| 29 | import org.onosproject.incubator.net.virtual.NetworkId; |
| 30 | import org.onosproject.incubator.net.virtual.TenantId; |
| 31 | import org.onosproject.incubator.net.virtual.VirtualDevice; |
| 32 | import org.onosproject.incubator.net.virtual.VirtualLink; |
| 33 | import org.onosproject.incubator.net.virtual.VirtualNetwork; |
| 34 | import org.onosproject.incubator.net.virtual.VirtualNetworkProvider; |
| 35 | import org.onosproject.incubator.net.virtual.VirtualNetworkProviderRegistry; |
| 36 | import org.onosproject.incubator.net.virtual.VirtualNetworkProviderService; |
| 37 | import org.onosproject.incubator.store.virtual.impl.DistributedVirtualNetworkStore; |
| 38 | import org.onosproject.net.ConnectPoint; |
Brian Stanke | fb61df4 | 2016-07-25 11:47:51 -0400 | [diff] [blame] | 39 | import org.onosproject.net.Link; |
| 40 | import org.onosproject.net.NetTestTools; |
| 41 | import org.onosproject.net.PortNumber; |
| 42 | import org.onosproject.net.TestDeviceParams; |
| 43 | import org.onosproject.net.intent.FakeIntentManager; |
| 44 | import org.onosproject.net.intent.TestableIntentService; |
| 45 | import org.onosproject.net.link.LinkEvent; |
| 46 | import org.onosproject.net.provider.AbstractProviderService; |
| 47 | import org.onosproject.net.provider.ProviderId; |
| 48 | import org.onosproject.net.topology.TopologyEvent; |
| 49 | import org.onosproject.net.topology.TopologyService; |
| 50 | import org.onosproject.store.service.TestStorageService; |
| 51 | |
| 52 | import java.util.ArrayList; |
| 53 | import java.util.List; |
| 54 | import java.util.Set; |
| 55 | import java.util.concurrent.Semaphore; |
| 56 | import java.util.concurrent.TimeUnit; |
| 57 | import java.util.concurrent.atomic.AtomicLong; |
| 58 | |
| 59 | import static org.junit.Assert.*; |
| 60 | |
| 61 | /** |
| 62 | * Junit tests for VirtualNetworkTopologyProvider. |
| 63 | */ |
| 64 | public class VirtualNetworkTopologyProviderTest extends TestDeviceParams { |
| 65 | |
| 66 | private final String tenantIdValue1 = "TENANT_ID1"; |
| 67 | |
| 68 | private VirtualNetwork virtualNetwork; |
| 69 | private VirtualDevice virtualDevice1; |
| 70 | private VirtualDevice virtualDevice2; |
| 71 | private VirtualDevice virtualDevice3; |
| 72 | private VirtualDevice virtualDevice4; |
| 73 | private VirtualDevice virtualDevice5; |
| 74 | private ConnectPoint cp1; |
| 75 | private ConnectPoint cp2; |
| 76 | private ConnectPoint cp3; |
| 77 | private ConnectPoint cp4; |
| 78 | private ConnectPoint cp5; |
| 79 | private ConnectPoint cp6; |
| 80 | private ConnectPoint cp7; |
| 81 | private ConnectPoint cp8; |
| 82 | private ConnectPoint cp9; |
| 83 | |
| 84 | private VirtualNetworkManager manager; |
| 85 | private DistributedVirtualNetworkStore virtualNetworkManagerStore; |
| 86 | private CoreService coreService; |
| 87 | private VirtualNetworkTopologyProvider topologyProvider; |
| 88 | private TopologyService topologyService; |
| 89 | private TestableIntentService intentService = new FakeIntentManager(); |
| 90 | private final VirtualNetworkRegistryAdapter virtualNetworkRegistry = new VirtualNetworkRegistryAdapter(); |
| 91 | |
| 92 | private static final int MAX_WAIT_TIME = 5; |
| 93 | private static final int MAX_PERMITS = 1; |
| 94 | private static Semaphore changed; |
| 95 | |
| 96 | private Set<Set<ConnectPoint>> clusters; |
| 97 | |
| 98 | @Before |
| 99 | public void setUp() throws Exception { |
| 100 | |
| 101 | virtualNetworkManagerStore = new DistributedVirtualNetworkStore(); |
| 102 | |
| 103 | coreService = new VirtualNetworkTopologyProviderTest.TestCoreService(); |
| 104 | |
| 105 | virtualNetworkManagerStore.setCoreService(coreService); |
| 106 | TestUtils.setField(coreService, "coreService", new VirtualNetworkTopologyProviderTest.TestCoreService()); |
| 107 | TestUtils.setField(virtualNetworkManagerStore, "storageService", new TestStorageService()); |
| 108 | virtualNetworkManagerStore.activate(); |
| 109 | |
| 110 | manager = new VirtualNetworkManager(); |
| 111 | manager.store = virtualNetworkManagerStore; |
| 112 | manager.intentService = intentService; |
| 113 | NetTestTools.injectEventDispatcher(manager, new TestEventDispatcher()); |
| 114 | manager.activate(); |
| 115 | |
| 116 | manager.registerTenantId(TenantId.tenantId(tenantIdValue1)); |
| 117 | virtualNetwork = manager.createVirtualNetwork(TenantId.tenantId(tenantIdValue1)); |
| 118 | |
| 119 | topologyService = manager.get(virtualNetwork.id(), TopologyService.class); |
| 120 | topologyProvider = new VirtualNetworkTopologyProvider(); |
| 121 | topologyProvider.topologyService = topologyService; |
| 122 | topologyProvider.providerRegistry = virtualNetworkRegistry; |
| 123 | topologyProvider.activate(); |
| 124 | |
| 125 | setupVirtualNetworkTopology(); |
| 126 | changed = new Semaphore(0, true); |
| 127 | } |
| 128 | |
| 129 | @After |
| 130 | public void tearDown() { |
| 131 | topologyProvider.deactivate(); |
| 132 | virtualNetworkManagerStore.deactivate(); |
| 133 | manager.deactivate(); |
| 134 | NetTestTools.injectEventDispatcher(manager, null); |
| 135 | } |
| 136 | |
| 137 | /** |
| 138 | * Method to create the virtual network for further testing. |
| 139 | **/ |
| 140 | private void setupVirtualNetworkTopology() { |
| 141 | virtualDevice1 = |
| 142 | manager.createVirtualDevice(virtualNetwork.id(), DID1); |
| 143 | virtualDevice2 = |
| 144 | manager.createVirtualDevice(virtualNetwork.id(), DID2); |
| 145 | virtualDevice3 = |
| 146 | manager.createVirtualDevice(virtualNetwork.id(), DID3); |
| 147 | virtualDevice4 = |
| 148 | manager.createVirtualDevice(virtualNetwork.id(), DID4); |
| 149 | virtualDevice5 = |
| 150 | manager.createVirtualDevice(virtualNetwork.id(), DID5); |
| 151 | |
| 152 | cp1 = new ConnectPoint(virtualDevice1.id(), PortNumber.portNumber(1)); |
| 153 | manager.createVirtualPort(virtualNetwork.id(), virtualDevice1.id(), |
Yoonseon Han | 6c60389 | 2016-09-01 11:52:21 -0700 | [diff] [blame] | 154 | PortNumber.portNumber(1), cp1); |
Brian Stanke | fb61df4 | 2016-07-25 11:47:51 -0400 | [diff] [blame] | 155 | |
| 156 | cp2 = new ConnectPoint(virtualDevice1.id(), PortNumber.portNumber(2)); |
| 157 | manager.createVirtualPort(virtualNetwork.id(), virtualDevice1.id(), |
Yoonseon Han | 6c60389 | 2016-09-01 11:52:21 -0700 | [diff] [blame] | 158 | PortNumber.portNumber(2), cp2); |
Brian Stanke | fb61df4 | 2016-07-25 11:47:51 -0400 | [diff] [blame] | 159 | |
| 160 | cp3 = new ConnectPoint(virtualDevice2.id(), PortNumber.portNumber(3)); |
| 161 | manager.createVirtualPort(virtualNetwork.id(), virtualDevice2.id(), |
Yoonseon Han | 6c60389 | 2016-09-01 11:52:21 -0700 | [diff] [blame] | 162 | PortNumber.portNumber(3), cp3); |
Brian Stanke | fb61df4 | 2016-07-25 11:47:51 -0400 | [diff] [blame] | 163 | |
| 164 | cp4 = new ConnectPoint(virtualDevice2.id(), PortNumber.portNumber(4)); |
| 165 | manager.createVirtualPort(virtualNetwork.id(), virtualDevice2.id(), |
Yoonseon Han | 6c60389 | 2016-09-01 11:52:21 -0700 | [diff] [blame] | 166 | PortNumber.portNumber(4), cp4); |
Brian Stanke | fb61df4 | 2016-07-25 11:47:51 -0400 | [diff] [blame] | 167 | |
| 168 | cp5 = new ConnectPoint(virtualDevice3.id(), PortNumber.portNumber(5)); |
| 169 | manager.createVirtualPort(virtualNetwork.id(), virtualDevice3.id(), |
Yoonseon Han | 6c60389 | 2016-09-01 11:52:21 -0700 | [diff] [blame] | 170 | PortNumber.portNumber(5), cp5); |
Brian Stanke | fb61df4 | 2016-07-25 11:47:51 -0400 | [diff] [blame] | 171 | |
| 172 | cp6 = new ConnectPoint(virtualDevice3.id(), PortNumber.portNumber(6)); |
| 173 | manager.createVirtualPort(virtualNetwork.id(), virtualDevice3.id(), |
Yoonseon Han | 6c60389 | 2016-09-01 11:52:21 -0700 | [diff] [blame] | 174 | PortNumber.portNumber(6), cp6); |
Brian Stanke | fb61df4 | 2016-07-25 11:47:51 -0400 | [diff] [blame] | 175 | |
| 176 | cp7 = new ConnectPoint(virtualDevice4.id(), PortNumber.portNumber(7)); |
| 177 | manager.createVirtualPort(virtualNetwork.id(), virtualDevice4.id(), |
Yoonseon Han | 6c60389 | 2016-09-01 11:52:21 -0700 | [diff] [blame] | 178 | PortNumber.portNumber(7), cp7); |
Brian Stanke | fb61df4 | 2016-07-25 11:47:51 -0400 | [diff] [blame] | 179 | |
| 180 | cp8 = new ConnectPoint(virtualDevice4.id(), PortNumber.portNumber(8)); |
| 181 | manager.createVirtualPort(virtualNetwork.id(), virtualDevice4.id(), |
Yoonseon Han | 6c60389 | 2016-09-01 11:52:21 -0700 | [diff] [blame] | 182 | PortNumber.portNumber(8), cp8); |
Brian Stanke | fb61df4 | 2016-07-25 11:47:51 -0400 | [diff] [blame] | 183 | |
| 184 | cp9 = new ConnectPoint(virtualDevice5.id(), PortNumber.portNumber(9)); |
| 185 | manager.createVirtualPort(virtualNetwork.id(), virtualDevice5.id(), |
Yoonseon Han | 6c60389 | 2016-09-01 11:52:21 -0700 | [diff] [blame] | 186 | PortNumber.portNumber(9), cp9); |
Brian Stanke | fb61df4 | 2016-07-25 11:47:51 -0400 | [diff] [blame] | 187 | |
| 188 | VirtualLink link1 = manager.createVirtualLink(virtualNetwork.id(), cp1, cp3); |
| 189 | virtualNetworkManagerStore.updateLink(link1, link1.tunnelId(), Link.State.ACTIVE); |
| 190 | VirtualLink link2 = manager.createVirtualLink(virtualNetwork.id(), cp3, cp1); |
| 191 | virtualNetworkManagerStore.updateLink(link2, link2.tunnelId(), Link.State.ACTIVE); |
| 192 | VirtualLink link3 = manager.createVirtualLink(virtualNetwork.id(), cp4, cp5); |
| 193 | virtualNetworkManagerStore.updateLink(link3, link3.tunnelId(), Link.State.ACTIVE); |
| 194 | VirtualLink link4 = manager.createVirtualLink(virtualNetwork.id(), cp5, cp4); |
| 195 | virtualNetworkManagerStore.updateLink(link4, link4.tunnelId(), Link.State.ACTIVE); |
| 196 | VirtualLink link5 = manager.createVirtualLink(virtualNetwork.id(), cp8, cp9); |
| 197 | virtualNetworkManagerStore.updateLink(link5, link5.tunnelId(), Link.State.ACTIVE); |
| 198 | VirtualLink link6 = manager.createVirtualLink(virtualNetwork.id(), cp9, cp8); |
| 199 | virtualNetworkManagerStore.updateLink(link6, link6.tunnelId(), Link.State.ACTIVE); |
| 200 | |
| 201 | clusters = null; |
| 202 | } |
| 203 | |
| 204 | /** |
| 205 | * Test isTraversable() method using a null source connect point. |
| 206 | */ |
| 207 | @Test(expected = NullPointerException.class) |
| 208 | public void testIsTraversableNullSrc() { |
| 209 | // test the isTraversable() method with a null source connect point. |
| 210 | topologyProvider.isTraversable(null, cp3); |
| 211 | } |
| 212 | |
| 213 | /** |
| 214 | * Test isTraversable() method using a null destination connect point. |
| 215 | */ |
| 216 | @Test(expected = NullPointerException.class) |
| 217 | public void testIsTraversableNullDst() { |
| 218 | // test the isTraversable() method with a null destination connect point. |
| 219 | topologyProvider.isTraversable(cp1, null); |
| 220 | } |
| 221 | |
| 222 | /** |
| 223 | * Test isTraversable() method. |
| 224 | */ |
| 225 | @Test |
| 226 | public void testIsTraversable() { |
| 227 | // test the isTraversable() method. |
| 228 | assertTrue("These two connect points should be traversable.", |
| 229 | topologyProvider.isTraversable(new ConnectPoint(cp1.elementId(), cp1.port()), |
| 230 | new ConnectPoint(cp3.elementId(), cp3.port()))); |
| 231 | assertTrue("These two connect points should be traversable.", |
| 232 | topologyProvider.isTraversable(new ConnectPoint(cp1.elementId(), cp1.port()), |
| 233 | new ConnectPoint(cp5.elementId(), cp5.port()))); |
| 234 | assertFalse("These two connect points should not be traversable.", |
| 235 | topologyProvider.isTraversable(new ConnectPoint(virtualDevice1.id(), PortNumber.portNumber(1)), |
| 236 | new ConnectPoint(virtualDevice4.id(), PortNumber.portNumber(6)))); |
| 237 | } |
| 238 | |
| 239 | /** |
| 240 | * Test the topologyChanged() method. |
| 241 | */ |
| 242 | @Test |
| 243 | public void testTopologyChanged() { |
| 244 | // Initial setup is two clusters of devices/links. |
| 245 | assertEquals("The cluster count did not match.", 2, topologyService.currentTopology().clusterCount()); |
| 246 | |
| 247 | // Adding this link will join the two clusters together. |
| 248 | List<Event> reasons = new ArrayList<>(); |
| 249 | VirtualLink link = manager.createVirtualLink(virtualNetwork.id(), cp6, cp7); |
| 250 | virtualNetworkManagerStore.updateLink(link, link.tunnelId(), Link.State.ACTIVE); |
| 251 | VirtualLink link2 = manager.createVirtualLink(virtualNetwork.id(), cp7, cp6); |
| 252 | virtualNetworkManagerStore.updateLink(link2, link2.tunnelId(), Link.State.ACTIVE); |
| 253 | |
| 254 | reasons.add(new LinkEvent(LinkEvent.Type.LINK_ADDED, link)); |
| 255 | reasons.add(new LinkEvent(LinkEvent.Type.LINK_ADDED, link2)); |
| 256 | TopologyEvent event = new TopologyEvent( |
| 257 | TopologyEvent.Type.TOPOLOGY_CHANGED, |
| 258 | topologyService.currentTopology(), |
| 259 | reasons); |
| 260 | |
| 261 | topologyProvider.topologyListener.event(event); |
| 262 | |
| 263 | // Wait for the topology changed event, and that the topologyChanged method was called. |
| 264 | try { |
| 265 | if (!changed.tryAcquire(MAX_PERMITS, MAX_WAIT_TIME, TimeUnit.SECONDS)) { |
| 266 | fail("Failed to wait for topology changed event."); |
| 267 | } |
| 268 | } catch (InterruptedException e) { |
| 269 | fail("Semaphore exception." + e.getMessage()); |
| 270 | } |
| 271 | |
| 272 | // Validate that the topology changed method received a single cluster of connect points. |
| 273 | // This means that the two previous clusters have now joined into a single cluster. |
| 274 | assertEquals("The cluster count did not match.", 1, this.clusters.size()); |
| 275 | assertEquals("The cluster count did not match.", 1, topologyService.currentTopology().clusterCount()); |
| 276 | |
| 277 | // Now remove the virtual link to split it back into two clusters. |
| 278 | manager.removeVirtualLink(virtualNetwork.id(), link.src(), link.dst()); |
| 279 | manager.removeVirtualLink(virtualNetwork.id(), link2.src(), link2.dst()); |
| 280 | assertEquals("The cluster count did not match.", 2, topologyService.currentTopology().clusterCount()); |
| 281 | |
| 282 | reasons = new ArrayList<>(); |
| 283 | reasons.add(new LinkEvent(LinkEvent.Type.LINK_REMOVED, link)); |
| 284 | reasons.add(new LinkEvent(LinkEvent.Type.LINK_REMOVED, link2)); |
| 285 | event = new TopologyEvent( |
| 286 | TopologyEvent.Type.TOPOLOGY_CHANGED, |
| 287 | topologyService.currentTopology(), |
| 288 | reasons); |
| 289 | |
| 290 | topologyProvider.topologyListener.event(event); |
| 291 | |
| 292 | // Wait for the topology changed event, and that the topologyChanged method was called. |
| 293 | try { |
| 294 | if (!changed.tryAcquire(MAX_PERMITS, MAX_WAIT_TIME, TimeUnit.SECONDS)) { |
| 295 | fail("Failed to wait for topology changed event."); |
| 296 | } |
| 297 | } catch (InterruptedException e) { |
| 298 | fail("Semaphore exception." + e.getMessage()); |
| 299 | } |
| 300 | |
| 301 | // Validate that the topology changed method received two clusters of connect points. |
| 302 | // This means that the single previous clusters has now split into two clusters. |
| 303 | assertEquals("The cluster count did not match.", 2, this.clusters.size()); |
| 304 | } |
| 305 | |
| 306 | /** |
| 307 | * Virtual network registry implementation for this test class. |
| 308 | */ |
| 309 | private class VirtualNetworkRegistryAdapter implements VirtualNetworkProviderRegistry { |
| 310 | private VirtualNetworkProvider provider; |
| 311 | |
| 312 | @Override |
| 313 | public VirtualNetworkProviderService register(VirtualNetworkProvider theProvider) { |
| 314 | this.provider = theProvider; |
| 315 | return new TestVirtualNetworkProviderService(theProvider); |
| 316 | } |
| 317 | |
| 318 | @Override |
| 319 | public void unregister(VirtualNetworkProvider theProvider) { |
| 320 | this.provider = null; |
| 321 | } |
| 322 | |
| 323 | @Override |
| 324 | public Set<ProviderId> getProviders() { |
| 325 | return null; |
| 326 | } |
| 327 | } |
| 328 | |
| 329 | |
| 330 | /** |
| 331 | * Virtual network provider service implementation for this test class. |
| 332 | */ |
| 333 | private class TestVirtualNetworkProviderService |
| 334 | extends AbstractProviderService<VirtualNetworkProvider> |
| 335 | implements VirtualNetworkProviderService { |
| 336 | |
| 337 | /** |
| 338 | * Constructor. |
| 339 | * |
| 340 | * @param provider virtual network test provider |
| 341 | */ |
| 342 | protected TestVirtualNetworkProviderService(VirtualNetworkProvider provider) { |
| 343 | super(provider); |
| 344 | } |
| 345 | |
| 346 | @Override |
| 347 | public void topologyChanged(Set<Set<ConnectPoint>> theClusters) { |
| 348 | clusters = theClusters; |
| 349 | changed.release(); |
| 350 | } |
| 351 | |
| 352 | @Override |
| 353 | public void tunnelUp(NetworkId networkId, ConnectPoint src, ConnectPoint dst, TunnelId tunnelId) { |
| 354 | } |
| 355 | |
| 356 | @Override |
| 357 | public void tunnelDown(NetworkId networkId, ConnectPoint src, ConnectPoint dst, TunnelId tunnelId) { |
| 358 | } |
| 359 | } |
| 360 | |
| 361 | /** |
| 362 | * Core service test class. |
| 363 | */ |
| 364 | private class TestCoreService extends CoreServiceAdapter { |
| 365 | |
| 366 | @Override |
| 367 | public IdGenerator getIdGenerator(String topic) { |
| 368 | return new IdGenerator() { |
| 369 | private AtomicLong counter = new AtomicLong(0); |
| 370 | |
| 371 | @Override |
| 372 | public long getNewId() { |
| 373 | return counter.getAndIncrement(); |
| 374 | } |
| 375 | }; |
| 376 | } |
| 377 | } |
| 378 | } |