Jian Li | 2cc2b63 | 2019-02-18 00:56:40 +0900 | [diff] [blame] | 1 | /* |
| 2 | * Copyright 2019-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.k8snetworking.impl; |
| 17 | |
| 18 | import com.google.common.collect.Lists; |
Jian Li | 004526d | 2019-02-25 16:26:27 +0900 | [diff] [blame] | 19 | import com.google.common.collect.Maps; |
Jian Li | 2cc2b63 | 2019-02-18 00:56:40 +0900 | [diff] [blame] | 20 | import io.fabric8.kubernetes.api.model.EndpointAddress; |
| 21 | import io.fabric8.kubernetes.api.model.EndpointPort; |
| 22 | import io.fabric8.kubernetes.api.model.EndpointSubset; |
| 23 | import io.fabric8.kubernetes.api.model.Endpoints; |
Jian Li | 4a7ce67 | 2019-04-09 15:20:25 +0900 | [diff] [blame] | 24 | import io.fabric8.kubernetes.api.model.Pod; |
Jian Li | 2cc2b63 | 2019-02-18 00:56:40 +0900 | [diff] [blame] | 25 | import io.fabric8.kubernetes.api.model.Service; |
Jian Li | 5e8a22a | 2019-02-27 11:48:42 +0900 | [diff] [blame] | 26 | import io.fabric8.kubernetes.api.model.ServicePort; |
Jian Li | 2cc2b63 | 2019-02-18 00:56:40 +0900 | [diff] [blame] | 27 | import org.onlab.packet.Ethernet; |
| 28 | import org.onlab.packet.IPv4; |
| 29 | import org.onlab.packet.IpAddress; |
| 30 | import org.onlab.packet.IpPrefix; |
| 31 | import org.onlab.packet.TpPort; |
Jian Li | 004526d | 2019-02-25 16:26:27 +0900 | [diff] [blame] | 32 | import org.onlab.util.Tools; |
| 33 | import org.onosproject.cfg.ComponentConfigService; |
Jian Li | 2cc2b63 | 2019-02-18 00:56:40 +0900 | [diff] [blame] | 34 | import org.onosproject.cluster.ClusterService; |
| 35 | import org.onosproject.cluster.LeadershipService; |
| 36 | import org.onosproject.cluster.NodeId; |
| 37 | import org.onosproject.core.ApplicationId; |
| 38 | import org.onosproject.core.CoreService; |
| 39 | import org.onosproject.core.GroupId; |
| 40 | import org.onosproject.k8snetworking.api.K8sEndpointsService; |
| 41 | import org.onosproject.k8snetworking.api.K8sFlowRuleService; |
| 42 | import org.onosproject.k8snetworking.api.K8sGroupRuleService; |
| 43 | import org.onosproject.k8snetworking.api.K8sNetworkService; |
Jian Li | 4a7ce67 | 2019-04-09 15:20:25 +0900 | [diff] [blame] | 44 | import org.onosproject.k8snetworking.api.K8sPodEvent; |
| 45 | import org.onosproject.k8snetworking.api.K8sPodListener; |
| 46 | import org.onosproject.k8snetworking.api.K8sPodService; |
Jian Li | 2cc2b63 | 2019-02-18 00:56:40 +0900 | [diff] [blame] | 47 | import org.onosproject.k8snetworking.api.K8sServiceEvent; |
| 48 | import org.onosproject.k8snetworking.api.K8sServiceListener; |
| 49 | import org.onosproject.k8snetworking.api.K8sServiceService; |
| 50 | import org.onosproject.k8snetworking.util.RulePopulatorUtil; |
| 51 | import org.onosproject.k8snetworking.util.RulePopulatorUtil.NiciraConnTrackTreatmentBuilder; |
| 52 | import org.onosproject.k8snode.api.K8sNode; |
| 53 | import org.onosproject.k8snode.api.K8sNodeEvent; |
| 54 | import org.onosproject.k8snode.api.K8sNodeListener; |
| 55 | import org.onosproject.k8snode.api.K8sNodeService; |
| 56 | import org.onosproject.net.DeviceId; |
| 57 | import org.onosproject.net.device.DeviceService; |
| 58 | import org.onosproject.net.driver.DriverService; |
| 59 | import org.onosproject.net.flow.DefaultTrafficSelector; |
| 60 | import org.onosproject.net.flow.DefaultTrafficTreatment; |
| 61 | import org.onosproject.net.flow.TrafficSelector; |
| 62 | import org.onosproject.net.flow.TrafficTreatment; |
| 63 | import org.onosproject.net.flow.criteria.ExtensionSelector; |
| 64 | import org.onosproject.net.flow.instructions.ExtensionTreatment; |
| 65 | import org.onosproject.net.group.GroupBucket; |
| 66 | import org.onosproject.store.service.AtomicCounter; |
| 67 | import org.onosproject.store.service.StorageService; |
Jian Li | 004526d | 2019-02-25 16:26:27 +0900 | [diff] [blame] | 68 | import org.osgi.service.component.ComponentContext; |
Jian Li | 2cc2b63 | 2019-02-18 00:56:40 +0900 | [diff] [blame] | 69 | import org.osgi.service.component.annotations.Activate; |
| 70 | import org.osgi.service.component.annotations.Component; |
| 71 | import org.osgi.service.component.annotations.Deactivate; |
Jian Li | 004526d | 2019-02-25 16:26:27 +0900 | [diff] [blame] | 72 | import org.osgi.service.component.annotations.Modified; |
Jian Li | 2cc2b63 | 2019-02-18 00:56:40 +0900 | [diff] [blame] | 73 | import org.osgi.service.component.annotations.Reference; |
| 74 | import org.osgi.service.component.annotations.ReferenceCardinality; |
| 75 | import org.slf4j.Logger; |
| 76 | |
Jian Li | 004526d | 2019-02-25 16:26:27 +0900 | [diff] [blame] | 77 | import java.util.Dictionary; |
Jian Li | 2cc2b63 | 2019-02-18 00:56:40 +0900 | [diff] [blame] | 78 | import java.util.List; |
| 79 | import java.util.Map; |
| 80 | import java.util.Objects; |
Jian Li | 004526d | 2019-02-25 16:26:27 +0900 | [diff] [blame] | 81 | import java.util.Set; |
Jian Li | 2cc2b63 | 2019-02-18 00:56:40 +0900 | [diff] [blame] | 82 | import java.util.concurrent.ExecutorService; |
| 83 | import java.util.stream.Collectors; |
| 84 | |
| 85 | import static java.util.concurrent.Executors.newSingleThreadExecutor; |
| 86 | import static org.onlab.util.Tools.groupedThreads; |
Jian Li | 5e8a22a | 2019-02-27 11:48:42 +0900 | [diff] [blame] | 87 | import static org.onosproject.k8snetworking.api.Constants.DST; |
Jian Li | 2cc2b63 | 2019-02-18 00:56:40 +0900 | [diff] [blame] | 88 | import static org.onosproject.k8snetworking.api.Constants.JUMP_TABLE; |
| 89 | import static org.onosproject.k8snetworking.api.Constants.K8S_NETWORKING_APP_ID; |
Jian Li | 004526d | 2019-02-25 16:26:27 +0900 | [diff] [blame] | 90 | import static org.onosproject.k8snetworking.api.Constants.NAT_STATEFUL; |
| 91 | import static org.onosproject.k8snetworking.api.Constants.NAT_STATELESS; |
Jian Li | 2cc2b63 | 2019-02-18 00:56:40 +0900 | [diff] [blame] | 92 | import static org.onosproject.k8snetworking.api.Constants.NAT_TABLE; |
Jian Li | 004526d | 2019-02-25 16:26:27 +0900 | [diff] [blame] | 93 | import static org.onosproject.k8snetworking.api.Constants.POD_TABLE; |
Jian Li | 2cc2b63 | 2019-02-18 00:56:40 +0900 | [diff] [blame] | 94 | import static org.onosproject.k8snetworking.api.Constants.PRIORITY_CT_RULE; |
Jian Li | 004526d | 2019-02-25 16:26:27 +0900 | [diff] [blame] | 95 | import static org.onosproject.k8snetworking.api.Constants.PRIORITY_NAT_RULE; |
Jian Li | 2cc2b63 | 2019-02-18 00:56:40 +0900 | [diff] [blame] | 96 | import static org.onosproject.k8snetworking.api.Constants.ROUTING_TABLE; |
Jian Li | 004526d | 2019-02-25 16:26:27 +0900 | [diff] [blame] | 97 | import static org.onosproject.k8snetworking.api.Constants.SERVICE_IP_CIDR; |
| 98 | import static org.onosproject.k8snetworking.api.Constants.SERVICE_TABLE; |
| 99 | import static org.onosproject.k8snetworking.api.Constants.SHIFTED_IP_CIDR; |
| 100 | import static org.onosproject.k8snetworking.api.Constants.SHIFTED_IP_PREFIX; |
Jian Li | 5e8a22a | 2019-02-27 11:48:42 +0900 | [diff] [blame] | 101 | import static org.onosproject.k8snetworking.api.Constants.SRC; |
Jian Li | 004526d | 2019-02-25 16:26:27 +0900 | [diff] [blame] | 102 | import static org.onosproject.k8snetworking.impl.OsgiPropertyConstants.SERVICE_IP_NAT_MODE; |
| 103 | import static org.onosproject.k8snetworking.impl.OsgiPropertyConstants.SERVICE_IP_NAT_MODE_DEFAULT; |
Jian Li | 2cc2b63 | 2019-02-18 00:56:40 +0900 | [diff] [blame] | 104 | import static org.onosproject.k8snetworking.util.K8sNetworkingUtil.nodeIpGatewayIpMap; |
| 105 | import static org.onosproject.k8snetworking.util.RulePopulatorUtil.CT_NAT_DST_FLAG; |
| 106 | import static org.onosproject.k8snetworking.util.RulePopulatorUtil.buildGroupBucket; |
Jian Li | 004526d | 2019-02-25 16:26:27 +0900 | [diff] [blame] | 107 | import static org.onosproject.k8snetworking.util.RulePopulatorUtil.buildLoadExtension; |
Jian Li | 2cc2b63 | 2019-02-18 00:56:40 +0900 | [diff] [blame] | 108 | import static org.onosproject.k8snetworking.util.RulePopulatorUtil.buildResubmitExtension; |
| 109 | import static org.onosproject.k8snetworking.util.RulePopulatorUtil.computeCtMaskFlag; |
| 110 | import static org.onosproject.k8snetworking.util.RulePopulatorUtil.computeCtStateFlag; |
| 111 | import static org.onosproject.k8snetworking.util.RulePopulatorUtil.niciraConnTrackTreatmentBuilder; |
| 112 | import static org.onosproject.net.group.GroupDescription.Type.SELECT; |
| 113 | import static org.slf4j.LoggerFactory.getLogger; |
| 114 | |
| 115 | /** |
| 116 | * Handles the service IP to pod IP related translation traffic. |
| 117 | */ |
Jian Li | 004526d | 2019-02-25 16:26:27 +0900 | [diff] [blame] | 118 | @Component( |
| 119 | immediate = true, |
| 120 | property = { |
| 121 | SERVICE_IP_NAT_MODE + "=" + SERVICE_IP_NAT_MODE_DEFAULT |
| 122 | } |
| 123 | ) |
Jian Li | 2cc2b63 | 2019-02-18 00:56:40 +0900 | [diff] [blame] | 124 | public class K8sServiceHandler { |
| 125 | |
| 126 | private final Logger log = getLogger(getClass()); |
| 127 | |
Jian Li | 2cc2b63 | 2019-02-18 00:56:40 +0900 | [diff] [blame] | 128 | private static final int HOST_CIDR_NUM = 32; |
| 129 | |
| 130 | private static final String NONE = "None"; |
| 131 | private static final String CLUSTER_IP = "ClusterIP"; |
| 132 | private static final String TCP = "TCP"; |
Jian Li | 5e8a22a | 2019-02-27 11:48:42 +0900 | [diff] [blame] | 133 | private static final String UDP = "UDP"; |
Jian Li | 2cc2b63 | 2019-02-18 00:56:40 +0900 | [diff] [blame] | 134 | |
| 135 | private static final String GROUP_ID_COUNTER_NAME = "group-id-counter"; |
| 136 | |
Jian Li | 4a7ce67 | 2019-04-09 15:20:25 +0900 | [diff] [blame] | 137 | private static final String IP_ADDRESS = "ipAddress"; |
| 138 | |
Jian Li | 2cc2b63 | 2019-02-18 00:56:40 +0900 | [diff] [blame] | 139 | @Reference(cardinality = ReferenceCardinality.MANDATORY) |
| 140 | protected CoreService coreService; |
| 141 | |
| 142 | @Reference(cardinality = ReferenceCardinality.MANDATORY) |
| 143 | protected LeadershipService leadershipService; |
| 144 | |
| 145 | @Reference(cardinality = ReferenceCardinality.MANDATORY) |
| 146 | protected ClusterService clusterService; |
| 147 | |
| 148 | @Reference(cardinality = ReferenceCardinality.MANDATORY) |
| 149 | protected DriverService driverService; |
| 150 | |
| 151 | @Reference(cardinality = ReferenceCardinality.MANDATORY) |
| 152 | protected DeviceService deviceService; |
| 153 | |
| 154 | @Reference(cardinality = ReferenceCardinality.MANDATORY) |
Jian Li | 004526d | 2019-02-25 16:26:27 +0900 | [diff] [blame] | 155 | protected ComponentConfigService configService; |
| 156 | |
| 157 | @Reference(cardinality = ReferenceCardinality.MANDATORY) |
Jian Li | 2cc2b63 | 2019-02-18 00:56:40 +0900 | [diff] [blame] | 158 | protected StorageService storageService; |
| 159 | |
| 160 | @Reference(cardinality = ReferenceCardinality.MANDATORY) |
| 161 | protected K8sNetworkService k8sNetworkService; |
| 162 | |
| 163 | @Reference(cardinality = ReferenceCardinality.MANDATORY) |
| 164 | protected K8sFlowRuleService k8sFlowRuleService; |
| 165 | |
| 166 | @Reference(cardinality = ReferenceCardinality.MANDATORY) |
| 167 | protected K8sGroupRuleService k8sGroupRuleService; |
| 168 | |
| 169 | @Reference(cardinality = ReferenceCardinality.MANDATORY) |
| 170 | protected K8sNodeService k8sNodeService; |
| 171 | |
| 172 | @Reference(cardinality = ReferenceCardinality.MANDATORY) |
| 173 | protected K8sEndpointsService k8sEndpointsService; |
| 174 | |
| 175 | @Reference(cardinality = ReferenceCardinality.MANDATORY) |
| 176 | protected K8sServiceService k8sServiceService; |
| 177 | |
Jian Li | 4a7ce67 | 2019-04-09 15:20:25 +0900 | [diff] [blame] | 178 | @Reference(cardinality = ReferenceCardinality.MANDATORY) |
| 179 | protected K8sPodService k8sPodService; |
| 180 | |
Jian Li | 004526d | 2019-02-25 16:26:27 +0900 | [diff] [blame] | 181 | /** Service IP address translation mode. */ |
| 182 | private String serviceIpNatMode = SERVICE_IP_NAT_MODE_DEFAULT; |
| 183 | |
Jian Li | 2cc2b63 | 2019-02-18 00:56:40 +0900 | [diff] [blame] | 184 | private final ExecutorService eventExecutor = newSingleThreadExecutor( |
| 185 | groupedThreads(this.getClass().getSimpleName(), "event-handler", log)); |
| 186 | private final InternalNodeEventListener internalNodeEventListener = |
| 187 | new InternalNodeEventListener(); |
| 188 | private final InternalK8sServiceListener internalK8sServiceListener = |
| 189 | new InternalK8sServiceListener(); |
Jian Li | 4a7ce67 | 2019-04-09 15:20:25 +0900 | [diff] [blame] | 190 | private final InternalK8sPodListener internalK8sPodListener = |
| 191 | new InternalK8sPodListener(); |
Jian Li | 2cc2b63 | 2019-02-18 00:56:40 +0900 | [diff] [blame] | 192 | |
| 193 | private AtomicCounter groupIdCounter; |
| 194 | |
| 195 | private ApplicationId appId; |
| 196 | private NodeId localNodeId; |
| 197 | |
| 198 | @Activate |
| 199 | protected void activate() { |
| 200 | appId = coreService.registerApplication(K8S_NETWORKING_APP_ID); |
Jian Li | 004526d | 2019-02-25 16:26:27 +0900 | [diff] [blame] | 201 | configService.registerProperties(getClass()); |
Jian Li | 2cc2b63 | 2019-02-18 00:56:40 +0900 | [diff] [blame] | 202 | localNodeId = clusterService.getLocalNode().id(); |
| 203 | leadershipService.runForLeadership(appId.name()); |
| 204 | k8sNodeService.addListener(internalNodeEventListener); |
| 205 | k8sServiceService.addListener(internalK8sServiceListener); |
Jian Li | 4a7ce67 | 2019-04-09 15:20:25 +0900 | [diff] [blame] | 206 | k8sPodService.addListener(internalK8sPodListener); |
Jian Li | 2cc2b63 | 2019-02-18 00:56:40 +0900 | [diff] [blame] | 207 | |
| 208 | groupIdCounter = storageService.getAtomicCounter(GROUP_ID_COUNTER_NAME); |
| 209 | |
| 210 | log.info("Started"); |
| 211 | } |
| 212 | |
| 213 | @Deactivate |
| 214 | protected void deactivate() { |
| 215 | leadershipService.withdraw(appId.name()); |
Jian Li | 4a7ce67 | 2019-04-09 15:20:25 +0900 | [diff] [blame] | 216 | k8sPodService.removeListener(internalK8sPodListener); |
Jian Li | 2cc2b63 | 2019-02-18 00:56:40 +0900 | [diff] [blame] | 217 | k8sNodeService.removeListener(internalNodeEventListener); |
| 218 | k8sServiceService.removeListener(internalK8sServiceListener); |
Jian Li | 004526d | 2019-02-25 16:26:27 +0900 | [diff] [blame] | 219 | configService.unregisterProperties(getClass(), false); |
Jian Li | 2cc2b63 | 2019-02-18 00:56:40 +0900 | [diff] [blame] | 220 | eventExecutor.shutdown(); |
| 221 | |
| 222 | log.info("Stopped"); |
| 223 | } |
| 224 | |
Jian Li | 004526d | 2019-02-25 16:26:27 +0900 | [diff] [blame] | 225 | @Modified |
| 226 | void modified(ComponentContext context) { |
| 227 | readComponentConfiguration(context); |
| 228 | |
| 229 | log.info("Modified"); |
| 230 | } |
| 231 | |
| 232 | private void setStatefulServiceNatRules(DeviceId deviceId, boolean install) { |
Jian Li | 2cc2b63 | 2019-02-18 00:56:40 +0900 | [diff] [blame] | 233 | // -trk CT rules |
| 234 | long ctUntrack = computeCtStateFlag(false, false, false); |
| 235 | long ctMaskUntrack = computeCtMaskFlag(true, false, false); |
| 236 | |
| 237 | k8sNetworkService.networks().forEach(n -> { |
| 238 | // TODO: need to provide a way to add multiple service IP CIDR ranges |
| 239 | setUntrack(deviceId, ctUntrack, ctMaskUntrack, n.cidr(), SERVICE_IP_CIDR, |
| 240 | JUMP_TABLE, NAT_TABLE, PRIORITY_CT_RULE, install); |
| 241 | setUntrack(deviceId, ctUntrack, ctMaskUntrack, n.cidr(), n.cidr(), |
| 242 | JUMP_TABLE, ROUTING_TABLE, PRIORITY_CT_RULE, install); |
| 243 | }); |
| 244 | |
| 245 | // +trk-new CT rules |
| 246 | long ctTrackUnnew = computeCtStateFlag(true, false, false); |
| 247 | long ctMaskTrackUnnew = computeCtMaskFlag(true, true, false); |
| 248 | |
| 249 | setTrackEstablish(deviceId, ctTrackUnnew, ctMaskTrackUnnew, |
| 250 | NAT_TABLE, ROUTING_TABLE, PRIORITY_CT_RULE, install); |
| 251 | |
| 252 | // +trk+new CT rules |
| 253 | long ctTrackNew = computeCtStateFlag(true, true, false); |
| 254 | long ctMaskTrackNew = computeCtMaskFlag(true, true, false); |
| 255 | |
| 256 | k8sServiceService.services().stream() |
| 257 | .filter(s -> CLUSTER_IP.equals(s.getSpec().getType())) |
Jian Li | 004526d | 2019-02-25 16:26:27 +0900 | [diff] [blame] | 258 | .forEach(s -> setStatefulGroupFlowRules(deviceId, ctTrackNew, |
| 259 | ctMaskTrackNew, s, install)); |
Jian Li | 2cc2b63 | 2019-02-18 00:56:40 +0900 | [diff] [blame] | 260 | } |
| 261 | |
Jian Li | 004526d | 2019-02-25 16:26:27 +0900 | [diff] [blame] | 262 | private void setStatelessServiceNatRules(DeviceId deviceId, boolean install) { |
| 263 | |
| 264 | k8sNetworkService.networks().forEach(n -> { |
| 265 | setSrcDstCidrRules(deviceId, n.cidr(), SERVICE_IP_CIDR, JUMP_TABLE, |
| 266 | SERVICE_TABLE, PRIORITY_CT_RULE, install); |
| 267 | setSrcDstCidrRules(deviceId, n.cidr(), SHIFTED_IP_CIDR, JUMP_TABLE, |
| 268 | POD_TABLE, PRIORITY_CT_RULE, install); |
| 269 | setSrcDstCidrRules(deviceId, n.cidr(), n.cidr(), JUMP_TABLE, |
| 270 | ROUTING_TABLE, PRIORITY_CT_RULE, install); |
| 271 | }); |
| 272 | |
| 273 | // setup load balancing rules using group table |
| 274 | k8sServiceService.services().stream() |
| 275 | .filter(s -> CLUSTER_IP.equals(s.getSpec().getType())) |
| 276 | .forEach(s -> setStatelessGroupFlowRules(deviceId, s, install)); |
| 277 | } |
| 278 | |
| 279 | private void setSrcDstCidrRules(DeviceId deviceId, String srcCidr, |
| 280 | String dstCidr, int installTable, |
| 281 | int transitTable, int priority, boolean install) { |
| 282 | TrafficSelector selector = DefaultTrafficSelector.builder() |
| 283 | .matchEthType(Ethernet.TYPE_IPV4) |
| 284 | .matchIPSrc(IpPrefix.valueOf(srcCidr)) |
| 285 | .matchIPDst(IpPrefix.valueOf(dstCidr)) |
| 286 | .build(); |
| 287 | |
| 288 | TrafficTreatment treatment = DefaultTrafficTreatment.builder() |
| 289 | .transition(transitTable) |
| 290 | .build(); |
| 291 | |
| 292 | k8sFlowRuleService.setRule( |
| 293 | appId, |
| 294 | deviceId, |
| 295 | selector, |
| 296 | treatment, |
| 297 | priority, |
| 298 | installTable, |
| 299 | install); |
| 300 | } |
| 301 | |
Jian Li | 5e8a22a | 2019-02-27 11:48:42 +0900 | [diff] [blame] | 302 | private String servicePortStr(String ip, int port, String protocol) { |
| 303 | return ip + "_" + port + "_" + protocol; |
| 304 | } |
Jian Li | 004526d | 2019-02-25 16:26:27 +0900 | [diff] [blame] | 305 | |
Jian Li | 5e8a22a | 2019-02-27 11:48:42 +0900 | [diff] [blame] | 306 | /** |
| 307 | * Obtains the service port to endpoint address paired map. |
| 308 | * |
| 309 | * @param service kubernetes service |
| 310 | * @return a map where key is kubernetes service port, and value is the |
| 311 | * endpoint addresses that are associated with the service port |
| 312 | */ |
| 313 | private Map<ServicePort, Set<String>> getSportEpAddressMap(Service service) { |
| 314 | |
| 315 | Map<ServicePort, Set<String>> map = Maps.newConcurrentMap(); |
Jian Li | 004526d | 2019-02-25 16:26:27 +0900 | [diff] [blame] | 316 | |
| 317 | String serviceName = service.getMetadata().getName(); |
Jian Li | 004526d | 2019-02-25 16:26:27 +0900 | [diff] [blame] | 318 | List<Endpoints> endpointses = k8sEndpointsService.endpointses() |
| 319 | .stream() |
| 320 | .filter(ep -> serviceName.equals(ep.getMetadata().getName())) |
| 321 | .collect(Collectors.toList()); |
| 322 | |
Jian Li | 5e8a22a | 2019-02-27 11:48:42 +0900 | [diff] [blame] | 323 | service.getSpec().getPorts().stream() |
| 324 | .filter(Objects::nonNull) |
| 325 | .filter(sp -> sp.getTargetPort() != null) |
| 326 | .filter(sp -> sp.getTargetPort().getIntVal() != null) |
| 327 | .forEach(sp -> { |
| 328 | int targetPort = sp.getTargetPort().getIntVal(); |
| 329 | String targetProtocol = sp.getProtocol(); |
Jian Li | 004526d | 2019-02-25 16:26:27 +0900 | [diff] [blame] | 330 | |
Jian Li | 5e8a22a | 2019-02-27 11:48:42 +0900 | [diff] [blame] | 331 | for (Endpoints endpoints : endpointses) { |
| 332 | for (EndpointSubset endpointSubset : endpoints.getSubsets()) { |
| 333 | for (EndpointPort endpointPort : endpointSubset.getPorts()) { |
| 334 | if (targetProtocol.equals(endpointPort.getProtocol()) && |
| 335 | targetPort == endpointPort.getPort()) { |
| 336 | Set<String> addresses = endpointSubset.getAddresses() |
| 337 | .stream().map(EndpointAddress::getIp) |
| 338 | .collect(Collectors.toSet()); |
| 339 | map.put(sp, addresses); |
Jian Li | 004526d | 2019-02-25 16:26:27 +0900 | [diff] [blame] | 340 | } |
Jian Li | 5e8a22a | 2019-02-27 11:48:42 +0900 | [diff] [blame] | 341 | } |
Jian Li | 004526d | 2019-02-25 16:26:27 +0900 | [diff] [blame] | 342 | } |
| 343 | } |
Jian Li | 5e8a22a | 2019-02-27 11:48:42 +0900 | [diff] [blame] | 344 | }); |
Jian Li | 004526d | 2019-02-25 16:26:27 +0900 | [diff] [blame] | 345 | |
Jian Li | 5e8a22a | 2019-02-27 11:48:42 +0900 | [diff] [blame] | 346 | return map; |
| 347 | } |
| 348 | |
Jian Li | 4a7ce67 | 2019-04-09 15:20:25 +0900 | [diff] [blame] | 349 | private void setGroupBuckets(DeviceId deviceId, Service service, Pod pod, boolean install) { |
| 350 | |
| 351 | if (pod.getMetadata().getAnnotations() == null) { |
| 352 | return; |
| 353 | } |
| 354 | |
| 355 | String podIpStr = pod.getMetadata().getAnnotations().get(IP_ADDRESS); |
| 356 | |
| 357 | Map<ServicePort, Set<String>> spEpasMap = getSportEpAddressMap(service); |
| 358 | Map<ServicePort, List<GroupBucket>> spGrpBkts = Maps.newConcurrentMap(); |
| 359 | |
| 360 | spEpasMap.forEach((sp, epas) -> { |
| 361 | List<GroupBucket> bkts = Lists.newArrayList(); |
| 362 | |
| 363 | if (install) { |
| 364 | if (epas.contains(podIpStr)) { |
| 365 | bkts = buildBuckets(deviceId, podIpStr, sp); |
| 366 | } |
| 367 | } else { |
| 368 | bkts = buildBuckets(deviceId, podIpStr, sp); |
| 369 | } |
| 370 | |
| 371 | spGrpBkts.put(sp, bkts); |
| 372 | }); |
| 373 | |
| 374 | String serviceIp = service.getSpec().getClusterIP(); |
| 375 | spGrpBkts.forEach((sp, bkts) -> { |
| 376 | String svcStr = servicePortStr(serviceIp, sp.getPort(), sp.getProtocol()); |
| 377 | int groupId = svcStr.hashCode(); |
| 378 | |
| 379 | k8sGroupRuleService.setBuckets(appId, deviceId, groupId, bkts, install); |
| 380 | }); |
| 381 | } |
| 382 | |
| 383 | private List<GroupBucket> buildBuckets(DeviceId deviceId, |
| 384 | String podIpStr, |
| 385 | ServicePort sp) { |
| 386 | List<GroupBucket> bkts = Lists.newArrayList(); |
| 387 | |
| 388 | ExtensionTreatment resubmitTreatment = buildResubmitExtension( |
| 389 | deviceService.getDevice(deviceId), ROUTING_TABLE); |
| 390 | TrafficTreatment.Builder tBuilder = DefaultTrafficTreatment.builder() |
| 391 | .setIpDst(IpAddress.valueOf(podIpStr)) |
| 392 | .extension(resubmitTreatment, deviceId); |
| 393 | |
| 394 | if (TCP.equals(sp.getProtocol())) { |
| 395 | tBuilder.setTcpDst(TpPort.tpPort(sp.getTargetPort().getIntVal())); |
| 396 | } else if (UDP.equals(sp.getProtocol())) { |
| 397 | tBuilder.setUdpDst(TpPort.tpPort(sp.getTargetPort().getIntVal())); |
| 398 | } |
| 399 | |
| 400 | bkts.add(buildGroupBucket(tBuilder.build(), SELECT, (short) -1)); |
| 401 | |
| 402 | return bkts; |
| 403 | } |
| 404 | |
| 405 | private synchronized void setStatelessGroupFlowRules(DeviceId deviceId, |
| 406 | Service service, |
| 407 | boolean install) { |
Jian Li | 5e8a22a | 2019-02-27 11:48:42 +0900 | [diff] [blame] | 408 | Map<ServicePort, Set<String>> spEpasMap = getSportEpAddressMap(service); |
| 409 | Map<String, String> nodeIpGatewayIpMap = |
| 410 | nodeIpGatewayIpMap(k8sNodeService, k8sNetworkService); |
| 411 | Map<ServicePort, List<GroupBucket>> spGrpBkts = Maps.newConcurrentMap(); |
| 412 | |
| 413 | spEpasMap.forEach((sp, epas) -> { |
| 414 | List<GroupBucket> bkts = Lists.newArrayList(); |
| 415 | epas.forEach(epa -> { |
| 416 | String podIp = nodeIpGatewayIpMap.getOrDefault(epa, epa); |
| 417 | ExtensionTreatment resubmitTreatment = buildResubmitExtension( |
| 418 | deviceService.getDevice(deviceId), ROUTING_TABLE); |
| 419 | TrafficTreatment.Builder tBuilder = DefaultTrafficTreatment.builder() |
| 420 | .setIpDst(IpAddress.valueOf(podIp)) |
| 421 | .extension(resubmitTreatment, deviceId); |
| 422 | |
| 423 | if (TCP.equals(sp.getProtocol())) { |
| 424 | tBuilder.setTcpDst(TpPort.tpPort(sp.getTargetPort().getIntVal())); |
| 425 | } else if (UDP.equals(sp.getProtocol())) { |
| 426 | tBuilder.setUdpDst(TpPort.tpPort(sp.getTargetPort().getIntVal())); |
| 427 | } |
| 428 | |
| 429 | bkts.add(buildGroupBucket(tBuilder.build(), SELECT, (short) -1)); |
| 430 | }); |
| 431 | spGrpBkts.put(sp, bkts); |
| 432 | }); |
| 433 | |
| 434 | String serviceIp = service.getSpec().getClusterIP(); |
| 435 | spGrpBkts.forEach((sp, bkts) -> { |
| 436 | String svcStr = servicePortStr(serviceIp, sp.getPort(), sp.getProtocol()); |
Jian Li | 4a7ce67 | 2019-04-09 15:20:25 +0900 | [diff] [blame] | 437 | int groupId = svcStr.hashCode(); |
Jian Li | 5e8a22a | 2019-02-27 11:48:42 +0900 | [diff] [blame] | 438 | |
Jian Li | 4a7ce67 | 2019-04-09 15:20:25 +0900 | [diff] [blame] | 439 | if (install) { |
| 440 | |
| 441 | // add group table rules |
| 442 | k8sGroupRuleService.setRule(appId, deviceId, groupId, |
| 443 | SELECT, bkts, true); |
| 444 | |
| 445 | log.info("Adding group rule {}", groupId); |
| 446 | |
| 447 | // if we failed to add group rule, we will not install flow rules |
| 448 | // as this might cause rule inconsistency |
| 449 | if (k8sGroupRuleService.hasGroup(deviceId, groupId)) { |
| 450 | // add flow rules for shifting IP domain |
| 451 | setShiftDomainRules(deviceId, SERVICE_TABLE, groupId, |
| 452 | PRIORITY_NAT_RULE, serviceIp, sp.getPort(), |
| 453 | sp.getProtocol(), true); |
| 454 | } |
Jian Li | 5e8a22a | 2019-02-27 11:48:42 +0900 | [diff] [blame] | 455 | } else { |
Jian Li | 4a7ce67 | 2019-04-09 15:20:25 +0900 | [diff] [blame] | 456 | // remove flow rules for shifting IP domain |
| 457 | setShiftDomainRules(deviceId, SERVICE_TABLE, groupId, |
| 458 | PRIORITY_NAT_RULE, serviceIp, sp.getPort(), |
| 459 | sp.getProtocol(), false); |
| 460 | |
| 461 | // remove group table rules |
| 462 | k8sGroupRuleService.setRule(appId, deviceId, groupId, |
| 463 | SELECT, bkts, false); |
| 464 | |
| 465 | log.info("Removing group rule {}", groupId); |
Jian Li | 5e8a22a | 2019-02-27 11:48:42 +0900 | [diff] [blame] | 466 | } |
Jian Li | 5e8a22a | 2019-02-27 11:48:42 +0900 | [diff] [blame] | 467 | }); |
Jian Li | 004526d | 2019-02-25 16:26:27 +0900 | [diff] [blame] | 468 | |
Jian Li | 5e8a22a | 2019-02-27 11:48:42 +0900 | [diff] [blame] | 469 | spEpasMap.forEach((sp, epas) -> |
| 470 | // add flow rules for unshifting IP domain |
| 471 | epas.forEach(epa -> { |
| 472 | String podIp = nodeIpGatewayIpMap.getOrDefault(epa, epa); |
| 473 | setUnshiftDomainRules(deviceId, POD_TABLE, |
| 474 | PRIORITY_NAT_RULE, serviceIp, sp.getPort(), sp.getProtocol(), |
| 475 | podIp, sp.getTargetPort().getIntVal(), install); |
| 476 | } |
| 477 | )); |
Jian Li | 004526d | 2019-02-25 16:26:27 +0900 | [diff] [blame] | 478 | } |
| 479 | |
| 480 | private void setShiftDomainRules(DeviceId deviceId, int installTable, |
Jian Li | 5e8a22a | 2019-02-27 11:48:42 +0900 | [diff] [blame] | 481 | int groupId, int priority, String serviceIp, |
| 482 | int servicePort, String protocol, boolean install) { |
| 483 | TrafficSelector.Builder sBuilder = DefaultTrafficSelector.builder() |
Jian Li | 004526d | 2019-02-25 16:26:27 +0900 | [diff] [blame] | 484 | .matchEthType(Ethernet.TYPE_IPV4) |
Jian Li | 5e8a22a | 2019-02-27 11:48:42 +0900 | [diff] [blame] | 485 | .matchIPDst(IpPrefix.valueOf(IpAddress.valueOf(serviceIp), HOST_CIDR_NUM)); |
| 486 | |
| 487 | if (TCP.equals(protocol)) { |
| 488 | sBuilder.matchIPProtocol(IPv4.PROTOCOL_TCP) |
| 489 | .matchTcpDst(TpPort.tpPort(servicePort)); |
| 490 | } else if (UDP.equals(protocol)) { |
| 491 | sBuilder.matchIPProtocol(IPv4.PROTOCOL_UDP) |
| 492 | .matchUdpDst(TpPort.tpPort(servicePort)); |
| 493 | } |
Jian Li | 004526d | 2019-02-25 16:26:27 +0900 | [diff] [blame] | 494 | |
| 495 | ExtensionTreatment loadTreatment = buildLoadExtension( |
Jian Li | 5e8a22a | 2019-02-27 11:48:42 +0900 | [diff] [blame] | 496 | deviceService.getDevice(deviceId), SRC, SHIFTED_IP_PREFIX); |
Jian Li | 004526d | 2019-02-25 16:26:27 +0900 | [diff] [blame] | 497 | |
| 498 | TrafficTreatment treatment = DefaultTrafficTreatment.builder() |
| 499 | .extension(loadTreatment, deviceId) |
| 500 | .group(GroupId.valueOf(groupId)) |
| 501 | .build(); |
| 502 | |
| 503 | k8sFlowRuleService.setRule( |
| 504 | appId, |
| 505 | deviceId, |
Jian Li | 5e8a22a | 2019-02-27 11:48:42 +0900 | [diff] [blame] | 506 | sBuilder.build(), |
Jian Li | 004526d | 2019-02-25 16:26:27 +0900 | [diff] [blame] | 507 | treatment, |
| 508 | priority, |
| 509 | installTable, |
| 510 | install); |
| 511 | } |
| 512 | |
| 513 | private void setUnshiftDomainRules(DeviceId deviceId, int installTable, |
Jian Li | 5e8a22a | 2019-02-27 11:48:42 +0900 | [diff] [blame] | 514 | int priority, String serviceIp, |
| 515 | int servicePort, String protocol, |
| 516 | String podIp, int podPort, boolean install) { |
| 517 | TrafficSelector.Builder sBuilder = DefaultTrafficSelector.builder() |
Jian Li | 004526d | 2019-02-25 16:26:27 +0900 | [diff] [blame] | 518 | .matchEthType(Ethernet.TYPE_IPV4) |
Jian Li | 5e8a22a | 2019-02-27 11:48:42 +0900 | [diff] [blame] | 519 | .matchIPSrc(IpPrefix.valueOf(IpAddress.valueOf(podIp), HOST_CIDR_NUM)); |
| 520 | |
| 521 | if (TCP.equals(protocol)) { |
| 522 | sBuilder.matchIPProtocol(IPv4.PROTOCOL_TCP) |
| 523 | .matchTcpSrc(TpPort.tpPort(podPort)); |
| 524 | } else if (UDP.equals(protocol)) { |
| 525 | sBuilder.matchIPProtocol(IPv4.PROTOCOL_UDP) |
| 526 | .matchUdpSrc(TpPort.tpPort(podPort)); |
| 527 | } |
| 528 | |
| 529 | String podIpPrefix = podIp.split("\\.")[0] + |
| 530 | "." + podIp.split("\\.")[1]; |
Jian Li | 004526d | 2019-02-25 16:26:27 +0900 | [diff] [blame] | 531 | |
| 532 | ExtensionTreatment loadTreatment = buildLoadExtension( |
Jian Li | 5e8a22a | 2019-02-27 11:48:42 +0900 | [diff] [blame] | 533 | deviceService.getDevice(deviceId), DST, podIpPrefix); |
Jian Li | 004526d | 2019-02-25 16:26:27 +0900 | [diff] [blame] | 534 | |
Jian Li | 5e8a22a | 2019-02-27 11:48:42 +0900 | [diff] [blame] | 535 | TrafficTreatment.Builder tBuilder = DefaultTrafficTreatment.builder() |
Jian Li | 004526d | 2019-02-25 16:26:27 +0900 | [diff] [blame] | 536 | .extension(loadTreatment, deviceId) |
| 537 | .setIpSrc(IpAddress.valueOf(serviceIp)) |
Jian Li | 5e8a22a | 2019-02-27 11:48:42 +0900 | [diff] [blame] | 538 | .transition(ROUTING_TABLE); |
| 539 | |
| 540 | if (TCP.equals(protocol)) { |
| 541 | tBuilder.setTcpSrc(TpPort.tpPort(servicePort)); |
| 542 | } else if (UDP.equals(protocol)) { |
| 543 | tBuilder.setUdpSrc(TpPort.tpPort(servicePort)); |
| 544 | } |
Jian Li | 004526d | 2019-02-25 16:26:27 +0900 | [diff] [blame] | 545 | |
| 546 | k8sFlowRuleService.setRule( |
| 547 | appId, |
| 548 | deviceId, |
Jian Li | 5e8a22a | 2019-02-27 11:48:42 +0900 | [diff] [blame] | 549 | sBuilder.build(), |
| 550 | tBuilder.build(), |
Jian Li | 004526d | 2019-02-25 16:26:27 +0900 | [diff] [blame] | 551 | priority, |
| 552 | installTable, |
| 553 | install); |
| 554 | } |
| 555 | |
| 556 | private void setStatefulGroupFlowRules(DeviceId deviceId, long ctState, |
| 557 | long ctMask, Service service, |
| 558 | boolean install) { |
Jian Li | 2cc2b63 | 2019-02-18 00:56:40 +0900 | [diff] [blame] | 559 | int groupId = (int) groupIdCounter.incrementAndGet(); |
| 560 | |
| 561 | List<GroupBucket> buckets = Lists.newArrayList(); |
| 562 | |
| 563 | String serviceName = service.getMetadata().getName(); |
| 564 | String serviceIp = service.getSpec().getClusterIP(); |
| 565 | |
| 566 | // TODO: multi-ports case should be addressed |
| 567 | Integer servicePort = service.getSpec().getPorts().get(0).getPort(); |
| 568 | |
| 569 | List<Endpoints> endpointses = k8sEndpointsService.endpointses() |
| 570 | .stream() |
| 571 | .filter(ep -> serviceName.equals(ep.getMetadata().getName())) |
| 572 | .collect(Collectors.toList()); |
| 573 | |
| 574 | Map<String, String> nodeIpGatewayIpMap = |
| 575 | nodeIpGatewayIpMap(k8sNodeService, k8sNetworkService); |
| 576 | |
| 577 | for (Endpoints endpoints : endpointses) { |
| 578 | for (EndpointSubset endpointSubset : endpoints.getSubsets()) { |
| 579 | List<EndpointPort> ports = endpointSubset.getPorts() |
| 580 | .stream() |
| 581 | .filter(p -> p.getProtocol().equals(TCP)) |
| 582 | .collect(Collectors.toList()); |
| 583 | |
| 584 | for (EndpointAddress address : endpointSubset.getAddresses()) { |
| 585 | String podIp = nodeIpGatewayIpMap.containsKey(address.getIp()) ? |
| 586 | nodeIpGatewayIpMap.get(address.getIp()) : address.getIp(); |
| 587 | |
| 588 | NiciraConnTrackTreatmentBuilder connTreatmentBuilder = |
| 589 | niciraConnTrackTreatmentBuilder(driverService, deviceId) |
| 590 | .commit(true) |
| 591 | .natAction(true) |
| 592 | .natIp(IpAddress.valueOf(podIp)) |
| 593 | .natFlag(CT_NAT_DST_FLAG); |
| 594 | |
| 595 | ports.forEach(p -> { |
| 596 | ExtensionTreatment ctNatTreatment = connTreatmentBuilder |
| 597 | .natPort(TpPort.tpPort(p.getPort())).build(); |
| 598 | ExtensionTreatment resubmitTreatment = buildResubmitExtension( |
| 599 | deviceService.getDevice(deviceId), ROUTING_TABLE); |
| 600 | TrafficTreatment treatment = DefaultTrafficTreatment.builder() |
| 601 | .extension(ctNatTreatment, deviceId) |
| 602 | .extension(resubmitTreatment, deviceId) |
| 603 | .build(); |
| 604 | buckets.add(buildGroupBucket(treatment, SELECT, (short) -1)); |
| 605 | }); |
| 606 | } |
| 607 | } |
| 608 | } |
| 609 | |
| 610 | if (!buckets.isEmpty()) { |
| 611 | k8sGroupRuleService.setRule(appId, deviceId, groupId, SELECT, buckets, install); |
| 612 | |
| 613 | setTrackNew(deviceId, ctState, ctMask, IpAddress.valueOf(serviceIp), |
| 614 | TpPort.tpPort(servicePort), NAT_TABLE, groupId, |
| 615 | PRIORITY_CT_RULE, install); |
| 616 | } |
| 617 | } |
| 618 | |
| 619 | private void setUntrack(DeviceId deviceId, long ctState, long ctMask, |
| 620 | String srcCidr, String dstCidr, int installTable, |
| 621 | int transitTable, int priority, boolean install) { |
| 622 | ExtensionSelector esCtSate = RulePopulatorUtil |
| 623 | .buildCtExtensionSelector(driverService, deviceId, ctState, ctMask); |
| 624 | TrafficSelector selector = DefaultTrafficSelector.builder() |
| 625 | .matchEthType(Ethernet.TYPE_IPV4) |
| 626 | .matchIPSrc(IpPrefix.valueOf(srcCidr)) |
| 627 | .matchIPDst(IpPrefix.valueOf(dstCidr)) |
| 628 | .extension(esCtSate, deviceId) |
| 629 | .build(); |
| 630 | |
| 631 | NiciraConnTrackTreatmentBuilder connTreatmentBuilder = |
| 632 | niciraConnTrackTreatmentBuilder(driverService, deviceId) |
| 633 | .natAction(false) |
| 634 | .commit(false) |
| 635 | .table((short) transitTable); |
| 636 | |
| 637 | TrafficTreatment treatment = DefaultTrafficTreatment.builder() |
| 638 | .extension(connTreatmentBuilder.build(), deviceId) |
| 639 | .build(); |
| 640 | |
| 641 | k8sFlowRuleService.setRule( |
| 642 | appId, |
| 643 | deviceId, |
| 644 | selector, |
| 645 | treatment, |
| 646 | priority, |
| 647 | installTable, |
| 648 | install); |
| 649 | } |
| 650 | |
| 651 | private void setTrackNew(DeviceId deviceId, long ctState, long ctMask, |
| 652 | IpAddress dstIp, TpPort dstPort, int installTable, |
| 653 | int groupId, int priority, boolean install) { |
| 654 | ExtensionSelector esCtSate = RulePopulatorUtil |
| 655 | .buildCtExtensionSelector(driverService, deviceId, ctState, ctMask); |
| 656 | TrafficSelector selector = DefaultTrafficSelector.builder() |
| 657 | .matchEthType(Ethernet.TYPE_IPV4) |
| 658 | .matchIPDst(IpPrefix.valueOf(dstIp, HOST_CIDR_NUM)) |
| 659 | .matchIPProtocol(IPv4.PROTOCOL_TCP) |
| 660 | .matchTcpDst(dstPort) |
| 661 | .extension(esCtSate, deviceId) |
| 662 | .build(); |
| 663 | TrafficTreatment treatment = DefaultTrafficTreatment.builder() |
| 664 | .group(GroupId.valueOf(groupId)) |
| 665 | .build(); |
| 666 | |
| 667 | k8sFlowRuleService.setRule( |
| 668 | appId, |
| 669 | deviceId, |
| 670 | selector, |
| 671 | treatment, |
| 672 | priority, |
| 673 | installTable, |
| 674 | install); |
| 675 | } |
| 676 | |
| 677 | private void setTrackEstablish(DeviceId deviceId, long ctState, long ctMask, |
| 678 | int installTable, int transitTable, |
| 679 | int priority, boolean install) { |
| 680 | ExtensionSelector esCtSate = RulePopulatorUtil |
| 681 | .buildCtExtensionSelector(driverService, deviceId, ctState, ctMask); |
| 682 | TrafficSelector selector = DefaultTrafficSelector.builder() |
| 683 | .extension(esCtSate, deviceId) |
| 684 | .build(); |
| 685 | |
| 686 | TrafficTreatment treatment = DefaultTrafficTreatment.builder() |
| 687 | .transition(transitTable) |
| 688 | .build(); |
| 689 | |
| 690 | k8sFlowRuleService.setRule( |
| 691 | appId, |
| 692 | deviceId, |
| 693 | selector, |
| 694 | treatment, |
| 695 | priority, |
| 696 | installTable, |
| 697 | install); |
| 698 | } |
| 699 | |
Jian Li | 004526d | 2019-02-25 16:26:27 +0900 | [diff] [blame] | 700 | /** |
| 701 | * Extracts properties from the component configuration context. |
| 702 | * |
| 703 | * @param context the component context |
| 704 | */ |
| 705 | private void readComponentConfiguration(ComponentContext context) { |
| 706 | Dictionary<?, ?> properties = context.getProperties(); |
| 707 | |
| 708 | String updatedNatMode = Tools.get(properties, SERVICE_IP_NAT_MODE); |
| 709 | serviceIpNatMode = updatedNatMode != null ? updatedNatMode : SERVICE_IP_NAT_MODE_DEFAULT; |
| 710 | log.info("Configured. Service IP NAT mode is {}", serviceIpNatMode); |
| 711 | } |
| 712 | |
Jian Li | 4a7ce67 | 2019-04-09 15:20:25 +0900 | [diff] [blame] | 713 | private void setServiceNatRules(DeviceId deviceId, boolean install) { |
| 714 | if (NAT_STATEFUL.equals(serviceIpNatMode)) { |
| 715 | setStatefulServiceNatRules(deviceId, install); |
| 716 | } else if (NAT_STATELESS.equals(serviceIpNatMode)) { |
| 717 | setStatelessServiceNatRules(deviceId, install); |
| 718 | } else { |
| 719 | log.warn("Service IP NAT mode was not configured!"); |
| 720 | } |
| 721 | } |
| 722 | |
Jian Li | 2cc2b63 | 2019-02-18 00:56:40 +0900 | [diff] [blame] | 723 | private class InternalK8sServiceListener implements K8sServiceListener { |
| 724 | |
| 725 | private boolean isRelevantHelper() { |
| 726 | return Objects.equals(localNodeId, leadershipService.getLeader(appId.name())); |
| 727 | } |
| 728 | |
| 729 | @Override |
| 730 | public void event(K8sServiceEvent event) { |
| 731 | switch (event.type()) { |
| 732 | case K8S_SERVICE_CREATED: |
Jian Li | 4a7ce67 | 2019-04-09 15:20:25 +0900 | [diff] [blame] | 733 | case K8S_SERVICE_UPDATED: |
Jian Li | 2cc2b63 | 2019-02-18 00:56:40 +0900 | [diff] [blame] | 734 | eventExecutor.execute(() -> processServiceCreation(event.subject())); |
| 735 | break; |
| 736 | case K8S_SERVICE_REMOVED: |
| 737 | eventExecutor.execute(() -> processServiceRemoval(event.subject())); |
| 738 | break; |
| 739 | default: |
| 740 | // do nothing |
| 741 | break; |
| 742 | } |
| 743 | } |
| 744 | |
| 745 | private void processServiceCreation(Service service) { |
| 746 | if (!isRelevantHelper()) { |
| 747 | return; |
| 748 | } |
| 749 | |
Jian Li | 5e8a22a | 2019-02-27 11:48:42 +0900 | [diff] [blame] | 750 | if (NAT_STATEFUL.equals(serviceIpNatMode)) { |
| 751 | long ctTrackNew = computeCtStateFlag(true, true, false); |
| 752 | long ctMaskTrackNew = computeCtMaskFlag(true, true, false); |
Jian Li | 2cc2b63 | 2019-02-18 00:56:40 +0900 | [diff] [blame] | 753 | |
Jian Li | 5e8a22a | 2019-02-27 11:48:42 +0900 | [diff] [blame] | 754 | k8sNodeService.completeNodes().forEach(n -> |
| 755 | setStatefulGroupFlowRules(n.intgBridge(), ctTrackNew, |
| 756 | ctMaskTrackNew, service, true)); |
| 757 | } else if (NAT_STATELESS.equals(serviceIpNatMode)) { |
| 758 | k8sNodeService.completeNodes().forEach(n -> |
| 759 | setStatelessGroupFlowRules(n.intgBridge(), service, true)); |
| 760 | } |
Jian Li | 2cc2b63 | 2019-02-18 00:56:40 +0900 | [diff] [blame] | 761 | } |
| 762 | |
| 763 | private void processServiceRemoval(Service service) { |
| 764 | if (!isRelevantHelper()) { |
| 765 | return; |
| 766 | } |
| 767 | |
Jian Li | 5e8a22a | 2019-02-27 11:48:42 +0900 | [diff] [blame] | 768 | if (NAT_STATEFUL.equals(serviceIpNatMode)) { |
| 769 | long ctTrackNew = computeCtStateFlag(true, true, false); |
| 770 | long ctMaskTrackNew = computeCtMaskFlag(true, true, false); |
Jian Li | 2cc2b63 | 2019-02-18 00:56:40 +0900 | [diff] [blame] | 771 | |
Jian Li | 5e8a22a | 2019-02-27 11:48:42 +0900 | [diff] [blame] | 772 | k8sNodeService.completeNodes().forEach(n -> |
| 773 | setStatefulGroupFlowRules(n.intgBridge(), ctTrackNew, |
| 774 | ctMaskTrackNew, service, false)); |
| 775 | } else if (NAT_STATELESS.equals(serviceIpNatMode)) { |
| 776 | k8sNodeService.completeNodes().forEach(n -> |
| 777 | setStatelessGroupFlowRules(n.intgBridge(), service, false)); |
| 778 | } |
Jian Li | 004526d | 2019-02-25 16:26:27 +0900 | [diff] [blame] | 779 | } |
Jian Li | 2cc2b63 | 2019-02-18 00:56:40 +0900 | [diff] [blame] | 780 | } |
| 781 | |
Jian Li | 4a7ce67 | 2019-04-09 15:20:25 +0900 | [diff] [blame] | 782 | private class InternalK8sPodListener implements K8sPodListener { |
| 783 | |
| 784 | private boolean isRelevantHelper() { |
| 785 | return Objects.equals(localNodeId, leadershipService.getLeader(appId.name())); |
| 786 | } |
| 787 | |
| 788 | @Override |
| 789 | public void event(K8sPodEvent event) { |
| 790 | switch (event.type()) { |
Jian Li | 5c75583 | 2019-04-11 23:24:28 +0900 | [diff] [blame^] | 791 | case K8S_POD_ANNOTATION_ADDED: |
| 792 | eventExecutor.execute(() -> processPodAnnotAddition(event.subject())); |
Jian Li | 4a7ce67 | 2019-04-09 15:20:25 +0900 | [diff] [blame] | 793 | break; |
| 794 | case K8S_POD_REMOVED: |
| 795 | eventExecutor.execute(() -> processPodRemoval(event.subject())); |
| 796 | break; |
| 797 | default: |
| 798 | break; |
| 799 | } |
| 800 | } |
| 801 | |
Jian Li | 5c75583 | 2019-04-11 23:24:28 +0900 | [diff] [blame^] | 802 | private void processPodAnnotAddition(Pod pod) { |
Jian Li | 4a7ce67 | 2019-04-09 15:20:25 +0900 | [diff] [blame] | 803 | if (!isRelevantHelper()) { |
| 804 | return; |
| 805 | } |
| 806 | |
| 807 | setServiceRuleFromPod(pod, true); |
| 808 | } |
| 809 | |
| 810 | private void processPodRemoval(Pod pod) { |
| 811 | if (!isRelevantHelper()) { |
| 812 | return; |
| 813 | } |
| 814 | |
| 815 | setServiceRuleFromPod(pod, false); |
| 816 | } |
| 817 | |
| 818 | private void setServiceRuleFromPod(Pod pod, boolean install) { |
| 819 | k8sServiceService.services().forEach(s -> { |
| 820 | pod.getMetadata().getLabels().forEach((pk, pv) -> { |
| 821 | Map<String, String> selectors = s.getSpec().getSelector(); |
| 822 | if (selectors != null && selectors.containsKey(pk)) { |
| 823 | if (pv.equals(selectors.get(pk))) { |
| 824 | k8sNodeService.completeNodes().forEach(n -> |
| 825 | setGroupBuckets(n.intgBridge(), s, pod, install)); |
| 826 | } |
| 827 | } |
| 828 | }); |
| 829 | }); |
| 830 | } |
| 831 | } |
| 832 | |
Jian Li | 2cc2b63 | 2019-02-18 00:56:40 +0900 | [diff] [blame] | 833 | private class InternalNodeEventListener implements K8sNodeListener { |
| 834 | |
| 835 | private boolean isRelevantHelper() { |
| 836 | return Objects.equals(localNodeId, leadershipService.getLeader(appId.name())); |
| 837 | } |
| 838 | |
| 839 | @Override |
| 840 | public void event(K8sNodeEvent event) { |
| 841 | K8sNode k8sNode = event.subject(); |
| 842 | switch (event.type()) { |
| 843 | case K8S_NODE_COMPLETE: |
| 844 | eventExecutor.execute(() -> processNodeCompletion(k8sNode)); |
| 845 | break; |
| 846 | case K8S_NODE_INCOMPLETE: |
Jian Li | 4a7ce67 | 2019-04-09 15:20:25 +0900 | [diff] [blame] | 847 | case K8S_NODE_REMOVED: |
Jian Li | 2cc2b63 | 2019-02-18 00:56:40 +0900 | [diff] [blame] | 848 | default: |
| 849 | break; |
| 850 | } |
| 851 | } |
| 852 | |
| 853 | private void processNodeCompletion(K8sNode node) { |
| 854 | if (!isRelevantHelper()) { |
| 855 | return; |
| 856 | } |
| 857 | |
Jian Li | 4a7ce67 | 2019-04-09 15:20:25 +0900 | [diff] [blame] | 858 | setServiceNatRules(node.intgBridge(), true); |
Jian Li | 2cc2b63 | 2019-02-18 00:56:40 +0900 | [diff] [blame] | 859 | } |
| 860 | } |
| 861 | } |