Jian Li | 077b07e | 2020-09-01 16:55:25 +0900 | [diff] [blame] | 1 | /* |
| 2 | * Copyright 2020-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.k8snode.impl; |
| 17 | |
| 18 | import org.onosproject.cluster.ClusterService; |
| 19 | import org.onosproject.cluster.LeadershipService; |
| 20 | import org.onosproject.cluster.NodeId; |
| 21 | import org.onosproject.core.ApplicationId; |
| 22 | import org.onosproject.core.CoreService; |
Jian Li | 019ce6a | 2020-09-09 10:23:21 +0900 | [diff] [blame] | 23 | import org.onosproject.k8snode.api.K8sBridge; |
Jian Li | 077b07e | 2020-09-01 16:55:25 +0900 | [diff] [blame] | 24 | import org.onosproject.k8snode.api.K8sHost; |
| 25 | import org.onosproject.k8snode.api.K8sHostAdminService; |
| 26 | import org.onosproject.k8snode.api.K8sHostEvent; |
| 27 | import org.onosproject.k8snode.api.K8sHostHandler; |
| 28 | import org.onosproject.k8snode.api.K8sHostListener; |
| 29 | import org.onosproject.k8snode.api.K8sHostState; |
| 30 | import org.onosproject.k8snode.api.K8sNode; |
| 31 | import org.onosproject.k8snode.api.K8sNodeAdminService; |
Jian Li | 019ce6a | 2020-09-09 10:23:21 +0900 | [diff] [blame] | 32 | import org.onosproject.k8snode.api.K8sRouterBridge; |
Jian Li | 077b07e | 2020-09-01 16:55:25 +0900 | [diff] [blame] | 33 | import org.onosproject.k8snode.api.K8sTunnelBridge; |
| 34 | import org.onosproject.net.Device; |
| 35 | import org.onosproject.net.DeviceId; |
| 36 | import org.onosproject.net.Port; |
| 37 | import org.onosproject.net.behaviour.BridgeConfig; |
| 38 | import org.onosproject.net.behaviour.BridgeDescription; |
| 39 | import org.onosproject.net.behaviour.ControllerInfo; |
| 40 | import org.onosproject.net.behaviour.DefaultBridgeDescription; |
| 41 | import org.onosproject.net.behaviour.DefaultPatchDescription; |
| 42 | import org.onosproject.net.behaviour.DefaultTunnelDescription; |
| 43 | import org.onosproject.net.behaviour.InterfaceConfig; |
| 44 | import org.onosproject.net.behaviour.PatchDescription; |
| 45 | import org.onosproject.net.behaviour.TunnelDescription; |
| 46 | import org.onosproject.net.behaviour.TunnelEndPoints; |
| 47 | import org.onosproject.net.behaviour.TunnelKey; |
| 48 | import org.onosproject.net.device.DeviceAdminService; |
| 49 | import org.onosproject.net.device.DeviceEvent; |
| 50 | import org.onosproject.net.device.DeviceListener; |
| 51 | import org.onosproject.net.device.DeviceService; |
| 52 | import org.onosproject.ovsdb.controller.OvsdbClientService; |
| 53 | import org.onosproject.ovsdb.controller.OvsdbController; |
| 54 | import org.onosproject.ovsdb.controller.OvsdbNodeId; |
| 55 | import org.osgi.service.component.annotations.Activate; |
| 56 | import org.osgi.service.component.annotations.Component; |
| 57 | import org.osgi.service.component.annotations.Deactivate; |
| 58 | import org.osgi.service.component.annotations.Reference; |
| 59 | import org.osgi.service.component.annotations.ReferenceCardinality; |
| 60 | import org.slf4j.Logger; |
| 61 | |
| 62 | import java.util.List; |
| 63 | import java.util.Objects; |
| 64 | import java.util.concurrent.ExecutorService; |
| 65 | import java.util.stream.Collectors; |
| 66 | |
| 67 | import static java.lang.Thread.sleep; |
| 68 | import static java.util.concurrent.Executors.newSingleThreadExecutor; |
| 69 | import static org.onlab.packet.TpPort.tpPort; |
| 70 | import static org.onlab.util.Tools.groupedThreads; |
| 71 | import static org.onosproject.k8snode.api.Constants.GENEVE; |
| 72 | import static org.onosproject.k8snode.api.Constants.GRE; |
Jian Li | 019ce6a | 2020-09-09 10:23:21 +0900 | [diff] [blame] | 73 | import static org.onosproject.k8snode.api.Constants.OS_INTEGRATION_BRIDGE; |
Jian Li | 077b07e | 2020-09-01 16:55:25 +0900 | [diff] [blame] | 74 | import static org.onosproject.k8snode.api.Constants.VXLAN; |
| 75 | import static org.onosproject.k8snode.api.K8sHostState.COMPLETE; |
| 76 | import static org.onosproject.k8snode.api.K8sHostState.DEVICE_CREATED; |
| 77 | import static org.onosproject.k8snode.api.K8sHostState.INCOMPLETE; |
| 78 | import static org.onosproject.k8snode.api.K8sHostState.INIT; |
| 79 | import static org.onosproject.k8snode.api.K8sNodeService.APP_ID; |
| 80 | import static org.onosproject.net.AnnotationKeys.PORT_NAME; |
| 81 | import static org.slf4j.LoggerFactory.getLogger; |
| 82 | |
| 83 | /** |
| 84 | * Service bootstraps kubernetes host. |
| 85 | */ |
| 86 | @Component(immediate = true) |
| 87 | public class DefaultK8sHostHandler implements K8sHostHandler { |
| 88 | |
| 89 | private final Logger log = getLogger(getClass()); |
| 90 | |
| 91 | private static final String DEFAULT_OF_PROTO = "tcp"; |
| 92 | private static final int DEFAULT_OFPORT = 6653; |
| 93 | private static final int DPID_BEGIN = 3; |
| 94 | private static final long SLEEP_MS = 3000; // we wait 3s |
| 95 | |
| 96 | @Reference(cardinality = ReferenceCardinality.MANDATORY) |
| 97 | protected CoreService coreService; |
| 98 | |
| 99 | @Reference(cardinality = ReferenceCardinality.MANDATORY) |
| 100 | protected LeadershipService leadershipService; |
| 101 | |
| 102 | @Reference(cardinality = ReferenceCardinality.MANDATORY) |
| 103 | protected ClusterService clusterService; |
| 104 | |
| 105 | @Reference(cardinality = ReferenceCardinality.MANDATORY) |
| 106 | protected DeviceService deviceService; |
| 107 | |
| 108 | @Reference(cardinality = ReferenceCardinality.MANDATORY) |
| 109 | protected DeviceAdminService deviceAdminService; |
| 110 | |
| 111 | @Reference(cardinality = ReferenceCardinality.MANDATORY) |
| 112 | protected OvsdbController ovsdbController; |
| 113 | |
| 114 | @Reference(cardinality = ReferenceCardinality.MANDATORY) |
| 115 | protected K8sHostAdminService k8sHostAdminService; |
| 116 | |
| 117 | @Reference(cardinality = ReferenceCardinality.MANDATORY) |
| 118 | protected K8sNodeAdminService k8sNodeAdminService; |
| 119 | |
| 120 | |
| 121 | private int ovsdbPortNum = 6640; |
| 122 | |
| 123 | private final ExecutorService eventExecutor = newSingleThreadExecutor( |
| 124 | groupedThreads(this.getClass().getSimpleName(), "event-handler", log)); |
| 125 | |
| 126 | private final DeviceListener ovsdbListener = new InternalOvsdbListener(); |
| 127 | private final DeviceListener bridgeListener = new InternalBridgeListener(); |
| 128 | private final K8sHostListener k8sHostListener = new InternalK8sHostListener(); |
| 129 | |
| 130 | private ApplicationId appId; |
| 131 | private NodeId localNode; |
| 132 | |
| 133 | @Activate |
| 134 | protected void activate() { |
| 135 | appId = coreService.getAppId(APP_ID); |
| 136 | localNode = clusterService.getLocalNode().id(); |
| 137 | |
| 138 | leadershipService.runForLeadership(appId.name()); |
| 139 | deviceService.addListener(ovsdbListener); |
| 140 | deviceService.addListener(bridgeListener); |
| 141 | k8sHostAdminService.addListener(k8sHostListener); |
| 142 | |
| 143 | log.info("Started"); |
| 144 | } |
| 145 | |
| 146 | @Deactivate |
| 147 | protected void deactivate() { |
| 148 | k8sHostAdminService.removeListener(k8sHostListener); |
| 149 | deviceService.removeListener(bridgeListener); |
| 150 | deviceService.removeListener(ovsdbListener); |
| 151 | leadershipService.withdraw(appId.name()); |
| 152 | eventExecutor.shutdown(); |
| 153 | |
| 154 | log.info("Stopped"); |
| 155 | } |
| 156 | |
| 157 | @Override |
| 158 | public void processInitState(K8sHost k8sHost) { |
| 159 | if (!isOvsdbConnected(k8sHost, ovsdbPortNum, ovsdbController, deviceService)) { |
| 160 | ovsdbController.connect(k8sHost.hostIp(), tpPort(ovsdbPortNum)); |
| 161 | return; |
| 162 | } |
| 163 | |
| 164 | for (K8sTunnelBridge tunBridge : k8sHost.tunBridges()) { |
| 165 | if (!deviceService.isAvailable(tunBridge.deviceId())) { |
| 166 | createBridge(k8sHost.ovsdb(), tunBridge); |
| 167 | } |
| 168 | } |
Jian Li | 019ce6a | 2020-09-09 10:23:21 +0900 | [diff] [blame] | 169 | |
| 170 | for (K8sRouterBridge routerBridge : k8sHost.routerBridges()) { |
| 171 | if (!deviceService.isAvailable(routerBridge.deviceId())) { |
| 172 | createBridge(k8sHost.ovsdb(), routerBridge); |
| 173 | } |
| 174 | } |
Jian Li | 077b07e | 2020-09-01 16:55:25 +0900 | [diff] [blame] | 175 | } |
| 176 | |
| 177 | @Override |
| 178 | public void processDeviceCreatedState(K8sHost k8sHost) { |
| 179 | try { |
| 180 | if (!isOvsdbConnected(k8sHost, ovsdbPortNum, ovsdbController, deviceService)) { |
| 181 | ovsdbController.connect(k8sHost.hostIp(), tpPort(ovsdbPortNum)); |
| 182 | return; |
| 183 | } |
| 184 | |
| 185 | // create patch ports into tunnel bridge face to integration bridge |
| 186 | for (K8sTunnelBridge bridge : k8sHost.tunBridges()) { |
| 187 | for (String node : k8sHost.nodeNames()) { |
| 188 | K8sNode k8sNode = k8sNodeAdminService.node(node); |
| 189 | if (k8sNode.segmentId() == bridge.tunnelId()) { |
Jian Li | 019ce6a | 2020-09-09 10:23:21 +0900 | [diff] [blame] | 190 | createTunnelPatchInterfaces(k8sHost.ovsdb(), bridge, k8sNode); |
| 191 | createInterPatchInterfaces(k8sHost.ovsdb(), k8sNode); |
Jian Li | 077b07e | 2020-09-01 16:55:25 +0900 | [diff] [blame] | 192 | } |
| 193 | } |
| 194 | } |
| 195 | |
| 196 | // create tunnel ports |
| 197 | for (K8sTunnelBridge bridge : k8sHost.tunBridges()) { |
| 198 | if (!isTunPortEnabled(bridge, bridge.vxlanPortName())) { |
| 199 | createVxlanTunnelInterface(k8sHost.ovsdb(), bridge); |
| 200 | } |
| 201 | |
| 202 | if (!isTunPortEnabled(bridge, bridge.grePortName())) { |
| 203 | createGreTunnelInterface(k8sHost.ovsdb(), bridge); |
| 204 | } |
| 205 | |
| 206 | if (!isTunPortEnabled(bridge, bridge.genevePortName())) { |
| 207 | createGeneveTunnelInterface(k8sHost.ovsdb(), bridge); |
| 208 | } |
| 209 | } |
Jian Li | 019ce6a | 2020-09-09 10:23:21 +0900 | [diff] [blame] | 210 | |
| 211 | // create patch ports into router bridge face to external bridge |
| 212 | for (K8sRouterBridge bridge : k8sHost.routerBridges()) { |
| 213 | for (String node : k8sHost.nodeNames()) { |
| 214 | K8sNode k8sNode = k8sNodeAdminService.node(node); |
| 215 | if (k8sNode.segmentId() == bridge.segmentId()) { |
| 216 | createRouterPatchInterfaces(k8sHost.ovsdb(), bridge, k8sNode); |
| 217 | } |
| 218 | } |
| 219 | } |
Jian Li | 077b07e | 2020-09-01 16:55:25 +0900 | [diff] [blame] | 220 | } catch (Exception e) { |
| 221 | log.error("Exception occurred because of {}", e); |
| 222 | } |
| 223 | } |
| 224 | |
| 225 | @Override |
| 226 | public void processCompleteState(K8sHost k8sHost) { |
| 227 | // do something if needed |
| 228 | } |
| 229 | |
| 230 | @Override |
| 231 | public void processIncompleteState(K8sHost k8sHost) { |
| 232 | // do something if needed |
| 233 | } |
| 234 | |
Jian Li | 019ce6a | 2020-09-09 10:23:21 +0900 | [diff] [blame] | 235 | private void createBridge(DeviceId ovsdb, K8sBridge bridge) { |
Jian Li | 077b07e | 2020-09-01 16:55:25 +0900 | [diff] [blame] | 236 | Device device = deviceService.getDevice(ovsdb); |
| 237 | |
| 238 | List<ControllerInfo> controllers = clusterService.getNodes().stream() |
| 239 | .map(n -> new ControllerInfo(n.ip(), DEFAULT_OFPORT, DEFAULT_OF_PROTO)) |
| 240 | .collect(Collectors.toList()); |
| 241 | |
| 242 | String dpid = bridge.dpid().substring(DPID_BEGIN); |
| 243 | |
| 244 | BridgeDescription.Builder builder = DefaultBridgeDescription.builder() |
| 245 | .name(bridge.name()) |
| 246 | .failMode(BridgeDescription.FailMode.SECURE) |
| 247 | .datapathId(dpid) |
| 248 | .disableInBand() |
| 249 | .controllers(controllers); |
| 250 | |
| 251 | BridgeConfig bridgeConfig = device.as(BridgeConfig.class); |
| 252 | bridgeConfig.addBridge(builder.build()); |
| 253 | } |
| 254 | |
Jian Li | 019ce6a | 2020-09-09 10:23:21 +0900 | [diff] [blame] | 255 | private void createTunnelPatchInterfaces(DeviceId ovsdb, K8sBridge bridge, K8sNode k8sNode) { |
Jian Li | 077b07e | 2020-09-01 16:55:25 +0900 | [diff] [blame] | 256 | Device device = deviceService.getDevice(ovsdb); |
| 257 | if (device == null || !device.is(InterfaceConfig.class)) { |
| 258 | log.error("Failed to create patch interface on {}", ovsdb); |
| 259 | return; |
| 260 | } |
| 261 | |
| 262 | InterfaceConfig ifaceConfig = device.as(InterfaceConfig.class); |
| 263 | |
Jian Li | 019ce6a | 2020-09-09 10:23:21 +0900 | [diff] [blame] | 264 | // tunnel bridge -> k8s integration bridge |
Jian Li | 077b07e | 2020-09-01 16:55:25 +0900 | [diff] [blame] | 265 | PatchDescription brTunIntPatchDesc = |
| 266 | DefaultPatchDescription.builder() |
| 267 | .deviceId(bridge.name()) |
| 268 | .ifaceName(k8sNode.tunToIntgPatchPortName()) |
| 269 | .peer(k8sNode.intgToTunPatchPortName()) |
| 270 | .build(); |
| 271 | |
| 272 | ifaceConfig.addPatchMode(k8sNode.tunToIntgPatchPortName(), brTunIntPatchDesc); |
| 273 | } |
| 274 | |
Jian Li | 019ce6a | 2020-09-09 10:23:21 +0900 | [diff] [blame] | 275 | private void createInterPatchInterfaces(DeviceId ovsdb, K8sNode k8sNode) { |
| 276 | Device device = deviceService.getDevice(ovsdb); |
| 277 | if (device == null || !device.is(InterfaceConfig.class)) { |
| 278 | log.error("Failed to create patch interface on {}", ovsdb); |
| 279 | return; |
| 280 | } |
| 281 | |
| 282 | InterfaceConfig ifaceConfig = device.as(InterfaceConfig.class); |
| 283 | |
| 284 | // openstack integration bridge -> k8s integration bridge |
| 285 | PatchDescription osIntK8sIntPatchDesc = |
| 286 | DefaultPatchDescription.builder() |
| 287 | .deviceId(OS_INTEGRATION_BRIDGE) |
| 288 | .ifaceName(k8sNode.osToK8sIntgPatchPortName()) |
Jian Li | a4d8fba | 2020-09-10 23:16:50 +0900 | [diff] [blame^] | 289 | .peer(k8sNode.k8sIntgToOsPatchPortName()) |
Jian Li | 019ce6a | 2020-09-09 10:23:21 +0900 | [diff] [blame] | 290 | .build(); |
Jian Li | a4d8fba | 2020-09-10 23:16:50 +0900 | [diff] [blame^] | 291 | ifaceConfig.addPatchMode(k8sNode.osToK8sIntgPatchPortName(), osIntK8sIntPatchDesc); |
Jian Li | 019ce6a | 2020-09-09 10:23:21 +0900 | [diff] [blame] | 292 | |
Jian Li | a4d8fba | 2020-09-10 23:16:50 +0900 | [diff] [blame^] | 293 | // openstack integration bridge -> k8s external bridge |
| 294 | PatchDescription osIntK8sExPatchDesc = |
| 295 | DefaultPatchDescription.builder() |
| 296 | .deviceId(OS_INTEGRATION_BRIDGE) |
| 297 | .ifaceName(k8sNode.osToK8sExtPatchPortName()) |
| 298 | .peer(k8sNode.k8sExtToOsPatchPortName()) |
| 299 | .build(); |
| 300 | ifaceConfig.addPatchMode(k8sNode.osToK8sExtPatchPortName(), osIntK8sExPatchDesc); |
Jian Li | 019ce6a | 2020-09-09 10:23:21 +0900 | [diff] [blame] | 301 | } |
| 302 | |
| 303 | private void createRouterPatchInterfaces(DeviceId ovsdb, K8sBridge bridge, K8sNode k8sNode) { |
| 304 | Device device = deviceService.getDevice(ovsdb); |
| 305 | if (device == null || !device.is(InterfaceConfig.class)) { |
| 306 | log.error("Failed to create patch interface on {}", ovsdb); |
| 307 | return; |
| 308 | } |
| 309 | |
| 310 | InterfaceConfig ifaceConfig = device.as(InterfaceConfig.class); |
| 311 | |
| 312 | // router bridge -> external bridge |
| 313 | PatchDescription brRouterExtPatchDesc = |
| 314 | DefaultPatchDescription.builder() |
| 315 | .deviceId(bridge.name()) |
| 316 | .ifaceName(k8sNode.routerToExtPatchPortName()) |
| 317 | .peer(k8sNode.extToRouterPatchPortName()) |
| 318 | .build(); |
| 319 | |
| 320 | ifaceConfig.addPatchMode(k8sNode.tunToIntgPatchPortName(), brRouterExtPatchDesc); |
| 321 | } |
| 322 | |
Jian Li | 077b07e | 2020-09-01 16:55:25 +0900 | [diff] [blame] | 323 | private void createVxlanTunnelInterface(DeviceId ovsdb, K8sTunnelBridge bridge) { |
| 324 | createTunnelInterface(ovsdb, bridge, VXLAN, bridge.vxlanPortName()); |
| 325 | } |
| 326 | |
| 327 | private void createGreTunnelInterface(DeviceId ovsdb, K8sTunnelBridge bridge) { |
| 328 | createTunnelInterface(ovsdb, bridge, GRE, bridge.grePortName()); |
| 329 | } |
| 330 | |
| 331 | private void createGeneveTunnelInterface(DeviceId ovsdb, K8sTunnelBridge bridge) { |
| 332 | createTunnelInterface(ovsdb, bridge, GENEVE, bridge.genevePortName()); |
| 333 | } |
| 334 | |
| 335 | private void createTunnelInterface(DeviceId ovsdb, K8sTunnelBridge bridge, |
| 336 | String type, String intfName) { |
| 337 | if (isTunPortEnabled(bridge, intfName)) { |
| 338 | return; |
| 339 | } |
| 340 | |
| 341 | Device device = deviceService.getDevice(ovsdb); |
| 342 | if (device == null || !device.is(InterfaceConfig.class)) { |
| 343 | log.error("Failed to create tunnel interface on {}", ovsdb); |
| 344 | return; |
| 345 | } |
| 346 | |
| 347 | TunnelDescription tunnelDesc = buildTunnelDesc(bridge, type, intfName); |
| 348 | |
| 349 | InterfaceConfig ifaceConfig = device.as(InterfaceConfig.class); |
| 350 | ifaceConfig.addTunnelMode(intfName, tunnelDesc); |
| 351 | } |
| 352 | |
| 353 | private TunnelDescription buildTunnelDesc(K8sTunnelBridge bridge, String type, String intfName) { |
| 354 | TunnelKey<String> key = new TunnelKey<>(String.valueOf(bridge.tunnelId())); |
| 355 | |
| 356 | if (VXLAN.equals(type) || GRE.equals(type) || GENEVE.equals(type)) { |
| 357 | TunnelDescription.Builder tdBuilder = |
| 358 | DefaultTunnelDescription.builder() |
| 359 | .deviceId(bridge.name()) |
| 360 | .ifaceName(intfName) |
| 361 | .remote(TunnelEndPoints.flowTunnelEndpoint()) |
| 362 | .key(key); |
| 363 | |
| 364 | switch (type) { |
| 365 | case VXLAN: |
| 366 | tdBuilder.type(TunnelDescription.Type.VXLAN); |
| 367 | break; |
| 368 | case GRE: |
| 369 | tdBuilder.type(TunnelDescription.Type.GRE); |
| 370 | break; |
| 371 | case GENEVE: |
| 372 | tdBuilder.type(TunnelDescription.Type.GENEVE); |
| 373 | break; |
| 374 | default: |
| 375 | return null; |
| 376 | } |
| 377 | |
| 378 | return tdBuilder.build(); |
| 379 | } |
| 380 | |
| 381 | return null; |
| 382 | } |
| 383 | |
| 384 | private boolean isOvsdbConnected(K8sHost host, int ovsdbPort, |
| 385 | OvsdbController ovsdbController, |
| 386 | DeviceService deviceService) { |
| 387 | OvsdbClientService client = getOvsdbClient(host, ovsdbPort, ovsdbController); |
| 388 | return deviceService.isAvailable(host.ovsdb()) && |
| 389 | client != null && |
| 390 | client.isConnected(); |
| 391 | } |
| 392 | |
| 393 | private OvsdbClientService getOvsdbClient(K8sHost host, int ovsdbPort, |
| 394 | OvsdbController ovsdbController) { |
| 395 | OvsdbNodeId ovsdb = new OvsdbNodeId(host.hostIp(), ovsdbPort); |
| 396 | return ovsdbController.getOvsdbClient(ovsdb); |
| 397 | } |
| 398 | |
| 399 | private boolean isCurrentStateDone(K8sHost k8sHost) { |
| 400 | switch (k8sHost.state()) { |
| 401 | case INIT: |
| 402 | return isInitStateDone(k8sHost); |
| 403 | case DEVICE_CREATED: |
| 404 | return isDeviceCreatedStateDone(k8sHost); |
| 405 | case COMPLETE: |
| 406 | case INCOMPLETE: |
| 407 | return false; |
| 408 | default: |
| 409 | return true; |
| 410 | } |
| 411 | } |
| 412 | |
| 413 | private boolean isInitStateDone(K8sHost k8sHost) { |
| 414 | if (!isOvsdbConnected(k8sHost, ovsdbPortNum, |
| 415 | ovsdbController, deviceService)) { |
| 416 | return false; |
| 417 | } |
| 418 | |
| 419 | try { |
| 420 | // we need to wait a while, in case interface and bridge |
| 421 | // creation requires some time |
| 422 | sleep(SLEEP_MS); |
| 423 | } catch (InterruptedException e) { |
| 424 | log.error("Exception caused during init state checking..."); |
| 425 | } |
| 426 | |
Jian Li | 019ce6a | 2020-09-09 10:23:21 +0900 | [diff] [blame] | 427 | for (K8sBridge tunBridge : k8sHost.tunBridges()) { |
Jian Li | 077b07e | 2020-09-01 16:55:25 +0900 | [diff] [blame] | 428 | if (!deviceService.isAvailable(tunBridge.deviceId())) { |
| 429 | return false; |
| 430 | } |
| 431 | } |
| 432 | |
Jian Li | 019ce6a | 2020-09-09 10:23:21 +0900 | [diff] [blame] | 433 | for (K8sBridge routerBridge: k8sHost.routerBridges()) { |
| 434 | if (!deviceService.isAvailable(routerBridge.deviceId())) { |
| 435 | return false; |
| 436 | } |
| 437 | } |
| 438 | |
Jian Li | 077b07e | 2020-09-01 16:55:25 +0900 | [diff] [blame] | 439 | return true; |
| 440 | } |
| 441 | |
| 442 | private boolean isDeviceCreatedStateDone(K8sHost k8sHost) { |
| 443 | try { |
| 444 | // we need to wait a while, in case interface and bridge |
| 445 | // creation requires some time |
| 446 | sleep(SLEEP_MS); |
| 447 | } catch (InterruptedException e) { |
| 448 | log.error("Exception caused during init state checking..."); |
| 449 | } |
| 450 | |
| 451 | for (K8sTunnelBridge bridge: k8sHost.tunBridges()) { |
| 452 | if (!isTunPortEnabled(bridge, bridge.vxlanPortName())) { |
| 453 | return false; |
| 454 | } |
| 455 | if (!isTunPortEnabled(bridge, bridge.grePortName())) { |
| 456 | return false; |
| 457 | } |
| 458 | if (!isTunPortEnabled(bridge, bridge.genevePortName())) { |
| 459 | return false; |
| 460 | } |
| 461 | } |
| 462 | |
| 463 | return true; |
| 464 | } |
| 465 | |
| 466 | private boolean isTunPortEnabled(K8sTunnelBridge tunBridge, String intf) { |
| 467 | return deviceService.isAvailable(tunBridge.deviceId()) && |
| 468 | deviceService.getPorts(tunBridge.deviceId()).stream() |
| 469 | .anyMatch(port -> Objects.equals( |
| 470 | port.annotations().value(PORT_NAME), intf) && |
| 471 | port.isEnabled()); |
| 472 | } |
| 473 | |
| 474 | /** |
| 475 | * Configures the kubernetes host with new state. |
| 476 | * |
| 477 | * @param k8sHost kubernetes host |
| 478 | * @param newState a new state |
| 479 | */ |
| 480 | private void setState(K8sHost k8sHost, K8sHostState newState) { |
| 481 | if (k8sHost.state() == newState) { |
| 482 | return; |
| 483 | } |
| 484 | K8sHost updated = k8sHost.updateState(newState); |
| 485 | k8sHostAdminService.updateHost(updated); |
| 486 | log.info("Changed {} state: {}", k8sHost.hostIp(), newState); |
| 487 | } |
| 488 | |
| 489 | /** |
| 490 | * Bootstraps a new kubernetes host. |
| 491 | * |
| 492 | * @param k8sHost kubernetes host |
| 493 | */ |
| 494 | private void bootstrapHost(K8sHost k8sHost) { |
| 495 | if (isCurrentStateDone(k8sHost)) { |
| 496 | setState(k8sHost, k8sHost.state().nextState()); |
| 497 | } else { |
| 498 | log.trace("Processing {} state for {}", k8sHost.state(), |
| 499 | k8sHost.hostIp()); |
| 500 | k8sHost.state().process(this, k8sHost); |
| 501 | } |
| 502 | } |
| 503 | |
| 504 | private class InternalOvsdbListener implements DeviceListener { |
| 505 | |
| 506 | @Override |
| 507 | public boolean isRelevant(DeviceEvent event) { |
| 508 | return event.subject().type() == Device.Type.CONTROLLER; |
| 509 | } |
| 510 | |
| 511 | private boolean isRelevantHelper() { |
| 512 | return Objects.equals(localNode, leadershipService.getLeader(appId.name())); |
| 513 | } |
| 514 | |
| 515 | @Override |
| 516 | public void event(DeviceEvent event) { |
| 517 | Device device = event.subject(); |
| 518 | |
| 519 | switch (event.type()) { |
| 520 | case DEVICE_AVAILABILITY_CHANGED: |
| 521 | case DEVICE_ADDED: |
| 522 | eventExecutor.execute(() -> { |
| 523 | if (!isRelevantHelper()) { |
| 524 | return; |
| 525 | } |
| 526 | |
| 527 | K8sHost k8sHost = k8sHostAdminService.host(device.id()); |
| 528 | |
| 529 | if (k8sHost == null) { |
| 530 | return; |
| 531 | } |
| 532 | |
| 533 | if (deviceService.isAvailable(device.id())) { |
| 534 | log.debug("OVSDB {} detected", device.id()); |
| 535 | bootstrapHost(k8sHost); |
| 536 | } |
| 537 | }); |
| 538 | break; |
| 539 | case PORT_ADDED: |
| 540 | case PORT_REMOVED: |
| 541 | case DEVICE_REMOVED: |
| 542 | default: |
| 543 | // do nothing |
| 544 | break; |
| 545 | } |
| 546 | } |
| 547 | } |
| 548 | |
| 549 | private class InternalBridgeListener implements DeviceListener { |
| 550 | |
| 551 | @Override |
| 552 | public boolean isRelevant(DeviceEvent event) { |
| 553 | return event.subject().type() == Device.Type.SWITCH; |
| 554 | } |
| 555 | |
| 556 | private boolean isRelevantHelper() { |
| 557 | return Objects.equals(localNode, leadershipService.getLeader(appId.name())); |
| 558 | } |
| 559 | |
| 560 | @Override |
| 561 | public void event(DeviceEvent event) { |
| 562 | Device device = event.subject(); |
| 563 | |
| 564 | switch (event.type()) { |
| 565 | case DEVICE_AVAILABILITY_CHANGED: |
| 566 | case DEVICE_ADDED: |
| 567 | eventExecutor.execute(() -> { |
| 568 | if (!isRelevantHelper()) { |
| 569 | return; |
| 570 | } |
| 571 | |
| 572 | K8sHost k8sHost = k8sHostAdminService.hostByTunBridge(device.id()); |
| 573 | |
| 574 | if (k8sHost == null) { |
| 575 | return; |
| 576 | } |
| 577 | |
| 578 | if (deviceService.isAvailable(device.id())) { |
| 579 | log.debug("Tunnel bridge created on {}", |
| 580 | k8sHost.hostIp()); |
| 581 | log.debug("OVSDB {} detected", device.id()); |
| 582 | bootstrapHost(k8sHost); |
| 583 | } else if (k8sHost.state() == COMPLETE) { |
| 584 | log.info("Device {} disconnected", device.id()); |
| 585 | setState(k8sHost, INCOMPLETE); |
| 586 | } |
| 587 | |
| 588 | if (k8sHost.state() == INCOMPLETE || |
| 589 | k8sHost.state() == DEVICE_CREATED) { |
| 590 | log.info("Device {} is reconnected", device.id()); |
| 591 | k8sHostAdminService.updateHost( |
| 592 | k8sHost.updateState(INIT)); |
| 593 | } |
| 594 | }); |
| 595 | break; |
| 596 | case PORT_UPDATED: |
| 597 | case PORT_ADDED: |
| 598 | eventExecutor.execute(() -> { |
| 599 | if (!isRelevantHelper()) { |
| 600 | return; |
| 601 | } |
| 602 | |
| 603 | K8sHost k8sHost = k8sHostAdminService.hostByTunBridge(device.id()); |
| 604 | |
| 605 | if (k8sHost == null) { |
| 606 | return; |
| 607 | } |
| 608 | |
| 609 | Port port = event.port(); |
| 610 | String portName = port.annotations().value(PORT_NAME); |
| 611 | if (k8sHost.state() == DEVICE_CREATED) { |
| 612 | |
| 613 | K8sTunnelBridge tunBridge = k8sHost.tunBridges().stream().filter( |
| 614 | br -> br.deviceId().equals(device.id()) |
| 615 | ).findAny().orElse(null); |
| 616 | |
| 617 | if (tunBridge != null) { |
| 618 | if (Objects.equals(portName, tunBridge.vxlanPortName()) || |
| 619 | Objects.equals(portName, tunBridge.grePortName()) || |
| 620 | Objects.equals(portName, tunBridge.genevePortName())) { |
| 621 | log.info("Interface {} added or updated to {}", |
| 622 | portName, device.id()); |
| 623 | bootstrapHost(k8sHost); |
| 624 | } |
| 625 | } |
| 626 | } |
| 627 | }); |
| 628 | break; |
| 629 | case PORT_REMOVED: |
| 630 | eventExecutor.execute(() -> { |
| 631 | if (!isRelevantHelper()) { |
| 632 | return; |
| 633 | } |
| 634 | |
| 635 | K8sHost k8sHost = k8sHostAdminService.hostByTunBridge(device.id()); |
| 636 | |
| 637 | if (k8sHost == null) { |
| 638 | return; |
| 639 | } |
| 640 | |
| 641 | Port port = event.port(); |
| 642 | String portName = port.annotations().value(PORT_NAME); |
| 643 | if (k8sHost.state() == COMPLETE) { |
| 644 | K8sTunnelBridge tunBridge = k8sHost.tunBridges().stream().filter( |
| 645 | br -> br.deviceId().equals(device.id()) |
| 646 | ).findAny().orElse(null); |
| 647 | |
| 648 | if (tunBridge != null) { |
| 649 | if (Objects.equals(portName, tunBridge.vxlanPortName()) || |
| 650 | Objects.equals(portName, tunBridge.grePortName()) || |
| 651 | Objects.equals(portName, tunBridge.genevePortName())) { |
| 652 | log.warn("Interface {} removed from {}", |
| 653 | portName, event.subject().id()); |
| 654 | setState(k8sHost, INCOMPLETE); |
| 655 | } |
| 656 | } |
| 657 | } |
| 658 | }); |
| 659 | break; |
| 660 | case DEVICE_REMOVED: |
| 661 | default: |
| 662 | // do nothing |
| 663 | break; |
| 664 | } |
| 665 | } |
| 666 | } |
| 667 | |
| 668 | private class InternalK8sHostListener implements K8sHostListener { |
| 669 | |
| 670 | private boolean isRelevantHelper() { |
| 671 | return Objects.equals(localNode, leadershipService.getLeader(appId.name())); |
| 672 | } |
| 673 | |
| 674 | @Override |
| 675 | public void event(K8sHostEvent event) { |
| 676 | switch (event.type()) { |
| 677 | case K8S_HOST_CREATED: |
| 678 | case K8S_HOST_UPDATED: |
| 679 | eventExecutor.execute(() -> { |
| 680 | if (!isRelevantHelper()) { |
| 681 | return; |
| 682 | } |
| 683 | |
| 684 | bootstrapHost(event.subject()); |
| 685 | }); |
| 686 | break; |
| 687 | case K8S_HOST_REMOVED: |
| 688 | case K8S_HOST_INCOMPLETE: |
| 689 | default: |
| 690 | break; |
| 691 | } |
| 692 | } |
| 693 | } |
| 694 | } |