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 | 7d111d7 | 2019-04-12 13:58:44 +0900 | [diff] [blame^] | 95 | import static org.onosproject.k8snetworking.api.Constants.PRIORITY_INTER_ROUTING_RULE; |
Jian Li | 004526d | 2019-02-25 16:26:27 +0900 | [diff] [blame] | 96 | import static org.onosproject.k8snetworking.api.Constants.PRIORITY_NAT_RULE; |
Jian Li | 2cc2b63 | 2019-02-18 00:56:40 +0900 | [diff] [blame] | 97 | import static org.onosproject.k8snetworking.api.Constants.ROUTING_TABLE; |
Jian Li | 004526d | 2019-02-25 16:26:27 +0900 | [diff] [blame] | 98 | import static org.onosproject.k8snetworking.api.Constants.SERVICE_IP_CIDR; |
| 99 | import static org.onosproject.k8snetworking.api.Constants.SERVICE_TABLE; |
| 100 | import static org.onosproject.k8snetworking.api.Constants.SHIFTED_IP_CIDR; |
| 101 | import static org.onosproject.k8snetworking.api.Constants.SHIFTED_IP_PREFIX; |
Jian Li | 5e8a22a | 2019-02-27 11:48:42 +0900 | [diff] [blame] | 102 | import static org.onosproject.k8snetworking.api.Constants.SRC; |
Jian Li | 004526d | 2019-02-25 16:26:27 +0900 | [diff] [blame] | 103 | import static org.onosproject.k8snetworking.impl.OsgiPropertyConstants.SERVICE_IP_NAT_MODE; |
| 104 | import static org.onosproject.k8snetworking.impl.OsgiPropertyConstants.SERVICE_IP_NAT_MODE_DEFAULT; |
Jian Li | 7d111d7 | 2019-04-12 13:58:44 +0900 | [diff] [blame^] | 105 | import static org.onosproject.k8snetworking.api.Constants.STAT_OUTBOUND_TABLE; |
Jian Li | 2cc2b63 | 2019-02-18 00:56:40 +0900 | [diff] [blame] | 106 | import static org.onosproject.k8snetworking.util.K8sNetworkingUtil.nodeIpGatewayIpMap; |
| 107 | import static org.onosproject.k8snetworking.util.RulePopulatorUtil.CT_NAT_DST_FLAG; |
| 108 | import static org.onosproject.k8snetworking.util.RulePopulatorUtil.buildGroupBucket; |
Jian Li | 004526d | 2019-02-25 16:26:27 +0900 | [diff] [blame] | 109 | import static org.onosproject.k8snetworking.util.RulePopulatorUtil.buildLoadExtension; |
Jian Li | 2cc2b63 | 2019-02-18 00:56:40 +0900 | [diff] [blame] | 110 | import static org.onosproject.k8snetworking.util.RulePopulatorUtil.buildResubmitExtension; |
| 111 | import static org.onosproject.k8snetworking.util.RulePopulatorUtil.computeCtMaskFlag; |
| 112 | import static org.onosproject.k8snetworking.util.RulePopulatorUtil.computeCtStateFlag; |
| 113 | import static org.onosproject.k8snetworking.util.RulePopulatorUtil.niciraConnTrackTreatmentBuilder; |
| 114 | import static org.onosproject.net.group.GroupDescription.Type.SELECT; |
| 115 | import static org.slf4j.LoggerFactory.getLogger; |
| 116 | |
| 117 | /** |
| 118 | * Handles the service IP to pod IP related translation traffic. |
| 119 | */ |
Jian Li | 004526d | 2019-02-25 16:26:27 +0900 | [diff] [blame] | 120 | @Component( |
| 121 | immediate = true, |
| 122 | property = { |
| 123 | SERVICE_IP_NAT_MODE + "=" + SERVICE_IP_NAT_MODE_DEFAULT |
| 124 | } |
| 125 | ) |
Jian Li | 2cc2b63 | 2019-02-18 00:56:40 +0900 | [diff] [blame] | 126 | public class K8sServiceHandler { |
| 127 | |
| 128 | private final Logger log = getLogger(getClass()); |
| 129 | |
Jian Li | 2cc2b63 | 2019-02-18 00:56:40 +0900 | [diff] [blame] | 130 | private static final int HOST_CIDR_NUM = 32; |
| 131 | |
| 132 | private static final String NONE = "None"; |
| 133 | private static final String CLUSTER_IP = "ClusterIP"; |
| 134 | private static final String TCP = "TCP"; |
Jian Li | 5e8a22a | 2019-02-27 11:48:42 +0900 | [diff] [blame] | 135 | private static final String UDP = "UDP"; |
Jian Li | 2cc2b63 | 2019-02-18 00:56:40 +0900 | [diff] [blame] | 136 | |
| 137 | private static final String GROUP_ID_COUNTER_NAME = "group-id-counter"; |
| 138 | |
Jian Li | 4a7ce67 | 2019-04-09 15:20:25 +0900 | [diff] [blame] | 139 | private static final String IP_ADDRESS = "ipAddress"; |
| 140 | |
Jian Li | 2cc2b63 | 2019-02-18 00:56:40 +0900 | [diff] [blame] | 141 | @Reference(cardinality = ReferenceCardinality.MANDATORY) |
| 142 | protected CoreService coreService; |
| 143 | |
| 144 | @Reference(cardinality = ReferenceCardinality.MANDATORY) |
| 145 | protected LeadershipService leadershipService; |
| 146 | |
| 147 | @Reference(cardinality = ReferenceCardinality.MANDATORY) |
| 148 | protected ClusterService clusterService; |
| 149 | |
| 150 | @Reference(cardinality = ReferenceCardinality.MANDATORY) |
| 151 | protected DriverService driverService; |
| 152 | |
| 153 | @Reference(cardinality = ReferenceCardinality.MANDATORY) |
| 154 | protected DeviceService deviceService; |
| 155 | |
| 156 | @Reference(cardinality = ReferenceCardinality.MANDATORY) |
Jian Li | 004526d | 2019-02-25 16:26:27 +0900 | [diff] [blame] | 157 | protected ComponentConfigService configService; |
| 158 | |
| 159 | @Reference(cardinality = ReferenceCardinality.MANDATORY) |
Jian Li | 2cc2b63 | 2019-02-18 00:56:40 +0900 | [diff] [blame] | 160 | protected StorageService storageService; |
| 161 | |
| 162 | @Reference(cardinality = ReferenceCardinality.MANDATORY) |
| 163 | protected K8sNetworkService k8sNetworkService; |
| 164 | |
| 165 | @Reference(cardinality = ReferenceCardinality.MANDATORY) |
| 166 | protected K8sFlowRuleService k8sFlowRuleService; |
| 167 | |
| 168 | @Reference(cardinality = ReferenceCardinality.MANDATORY) |
| 169 | protected K8sGroupRuleService k8sGroupRuleService; |
| 170 | |
| 171 | @Reference(cardinality = ReferenceCardinality.MANDATORY) |
| 172 | protected K8sNodeService k8sNodeService; |
| 173 | |
| 174 | @Reference(cardinality = ReferenceCardinality.MANDATORY) |
| 175 | protected K8sEndpointsService k8sEndpointsService; |
| 176 | |
| 177 | @Reference(cardinality = ReferenceCardinality.MANDATORY) |
| 178 | protected K8sServiceService k8sServiceService; |
| 179 | |
Jian Li | 4a7ce67 | 2019-04-09 15:20:25 +0900 | [diff] [blame] | 180 | @Reference(cardinality = ReferenceCardinality.MANDATORY) |
| 181 | protected K8sPodService k8sPodService; |
| 182 | |
Jian Li | 004526d | 2019-02-25 16:26:27 +0900 | [diff] [blame] | 183 | /** Service IP address translation mode. */ |
| 184 | private String serviceIpNatMode = SERVICE_IP_NAT_MODE_DEFAULT; |
| 185 | |
Jian Li | 2cc2b63 | 2019-02-18 00:56:40 +0900 | [diff] [blame] | 186 | private final ExecutorService eventExecutor = newSingleThreadExecutor( |
| 187 | groupedThreads(this.getClass().getSimpleName(), "event-handler", log)); |
| 188 | private final InternalNodeEventListener internalNodeEventListener = |
| 189 | new InternalNodeEventListener(); |
| 190 | private final InternalK8sServiceListener internalK8sServiceListener = |
| 191 | new InternalK8sServiceListener(); |
Jian Li | 4a7ce67 | 2019-04-09 15:20:25 +0900 | [diff] [blame] | 192 | private final InternalK8sPodListener internalK8sPodListener = |
| 193 | new InternalK8sPodListener(); |
Jian Li | 2cc2b63 | 2019-02-18 00:56:40 +0900 | [diff] [blame] | 194 | |
| 195 | private AtomicCounter groupIdCounter; |
| 196 | |
| 197 | private ApplicationId appId; |
| 198 | private NodeId localNodeId; |
| 199 | |
| 200 | @Activate |
| 201 | protected void activate() { |
| 202 | appId = coreService.registerApplication(K8S_NETWORKING_APP_ID); |
Jian Li | 004526d | 2019-02-25 16:26:27 +0900 | [diff] [blame] | 203 | configService.registerProperties(getClass()); |
Jian Li | 2cc2b63 | 2019-02-18 00:56:40 +0900 | [diff] [blame] | 204 | localNodeId = clusterService.getLocalNode().id(); |
| 205 | leadershipService.runForLeadership(appId.name()); |
| 206 | k8sNodeService.addListener(internalNodeEventListener); |
| 207 | k8sServiceService.addListener(internalK8sServiceListener); |
Jian Li | 4a7ce67 | 2019-04-09 15:20:25 +0900 | [diff] [blame] | 208 | k8sPodService.addListener(internalK8sPodListener); |
Jian Li | 2cc2b63 | 2019-02-18 00:56:40 +0900 | [diff] [blame] | 209 | |
| 210 | groupIdCounter = storageService.getAtomicCounter(GROUP_ID_COUNTER_NAME); |
| 211 | |
| 212 | log.info("Started"); |
| 213 | } |
| 214 | |
| 215 | @Deactivate |
| 216 | protected void deactivate() { |
| 217 | leadershipService.withdraw(appId.name()); |
Jian Li | 4a7ce67 | 2019-04-09 15:20:25 +0900 | [diff] [blame] | 218 | k8sPodService.removeListener(internalK8sPodListener); |
Jian Li | 2cc2b63 | 2019-02-18 00:56:40 +0900 | [diff] [blame] | 219 | k8sNodeService.removeListener(internalNodeEventListener); |
| 220 | k8sServiceService.removeListener(internalK8sServiceListener); |
Jian Li | 004526d | 2019-02-25 16:26:27 +0900 | [diff] [blame] | 221 | configService.unregisterProperties(getClass(), false); |
Jian Li | 2cc2b63 | 2019-02-18 00:56:40 +0900 | [diff] [blame] | 222 | eventExecutor.shutdown(); |
| 223 | |
| 224 | log.info("Stopped"); |
| 225 | } |
| 226 | |
Jian Li | 004526d | 2019-02-25 16:26:27 +0900 | [diff] [blame] | 227 | @Modified |
| 228 | void modified(ComponentContext context) { |
| 229 | readComponentConfiguration(context); |
| 230 | |
| 231 | log.info("Modified"); |
| 232 | } |
| 233 | |
| 234 | private void setStatefulServiceNatRules(DeviceId deviceId, boolean install) { |
Jian Li | 2cc2b63 | 2019-02-18 00:56:40 +0900 | [diff] [blame] | 235 | // -trk CT rules |
| 236 | long ctUntrack = computeCtStateFlag(false, false, false); |
| 237 | long ctMaskUntrack = computeCtMaskFlag(true, false, false); |
| 238 | |
| 239 | k8sNetworkService.networks().forEach(n -> { |
| 240 | // TODO: need to provide a way to add multiple service IP CIDR ranges |
| 241 | setUntrack(deviceId, ctUntrack, ctMaskUntrack, n.cidr(), SERVICE_IP_CIDR, |
| 242 | JUMP_TABLE, NAT_TABLE, PRIORITY_CT_RULE, install); |
| 243 | setUntrack(deviceId, ctUntrack, ctMaskUntrack, n.cidr(), n.cidr(), |
| 244 | JUMP_TABLE, ROUTING_TABLE, PRIORITY_CT_RULE, install); |
| 245 | }); |
| 246 | |
| 247 | // +trk-new CT rules |
| 248 | long ctTrackUnnew = computeCtStateFlag(true, false, false); |
| 249 | long ctMaskTrackUnnew = computeCtMaskFlag(true, true, false); |
| 250 | |
| 251 | setTrackEstablish(deviceId, ctTrackUnnew, ctMaskTrackUnnew, |
| 252 | NAT_TABLE, ROUTING_TABLE, PRIORITY_CT_RULE, install); |
| 253 | |
| 254 | // +trk+new CT rules |
| 255 | long ctTrackNew = computeCtStateFlag(true, true, false); |
| 256 | long ctMaskTrackNew = computeCtMaskFlag(true, true, false); |
| 257 | |
| 258 | k8sServiceService.services().stream() |
| 259 | .filter(s -> CLUSTER_IP.equals(s.getSpec().getType())) |
Jian Li | 004526d | 2019-02-25 16:26:27 +0900 | [diff] [blame] | 260 | .forEach(s -> setStatefulGroupFlowRules(deviceId, ctTrackNew, |
| 261 | ctMaskTrackNew, s, install)); |
Jian Li | 2cc2b63 | 2019-02-18 00:56:40 +0900 | [diff] [blame] | 262 | } |
| 263 | |
Jian Li | 004526d | 2019-02-25 16:26:27 +0900 | [diff] [blame] | 264 | private void setStatelessServiceNatRules(DeviceId deviceId, boolean install) { |
| 265 | |
Jian Li | 7d111d7 | 2019-04-12 13:58:44 +0900 | [diff] [blame^] | 266 | String srcCidr = k8sNetworkService.network( |
| 267 | k8sNodeService.node(deviceId).hostname()).cidr(); |
| 268 | |
Jian Li | 004526d | 2019-02-25 16:26:27 +0900 | [diff] [blame] | 269 | k8sNetworkService.networks().forEach(n -> { |
Jian Li | 7d111d7 | 2019-04-12 13:58:44 +0900 | [diff] [blame^] | 270 | setSrcDstCidrRules(deviceId, n.cidr(), SERVICE_IP_CIDR, null, JUMP_TABLE, |
Jian Li | 004526d | 2019-02-25 16:26:27 +0900 | [diff] [blame] | 271 | SERVICE_TABLE, PRIORITY_CT_RULE, install); |
Jian Li | 7d111d7 | 2019-04-12 13:58:44 +0900 | [diff] [blame^] | 272 | setSrcDstCidrRules(deviceId, n.cidr(), SHIFTED_IP_CIDR, null, JUMP_TABLE, |
Jian Li | 004526d | 2019-02-25 16:26:27 +0900 | [diff] [blame] | 273 | POD_TABLE, PRIORITY_CT_RULE, install); |
Jian Li | 7d111d7 | 2019-04-12 13:58:44 +0900 | [diff] [blame^] | 274 | setSrcDstCidrRules(deviceId, srcCidr, n.cidr(), n.segmentId(), ROUTING_TABLE, |
| 275 | STAT_OUTBOUND_TABLE, PRIORITY_INTER_ROUTING_RULE, install); |
Jian Li | 004526d | 2019-02-25 16:26:27 +0900 | [diff] [blame] | 276 | }); |
| 277 | |
| 278 | // setup load balancing rules using group table |
| 279 | k8sServiceService.services().stream() |
| 280 | .filter(s -> CLUSTER_IP.equals(s.getSpec().getType())) |
| 281 | .forEach(s -> setStatelessGroupFlowRules(deviceId, s, install)); |
| 282 | } |
| 283 | |
| 284 | private void setSrcDstCidrRules(DeviceId deviceId, String srcCidr, |
Jian Li | 7d111d7 | 2019-04-12 13:58:44 +0900 | [diff] [blame^] | 285 | String dstCidr, String segId, int installTable, |
Jian Li | 004526d | 2019-02-25 16:26:27 +0900 | [diff] [blame] | 286 | int transitTable, int priority, boolean install) { |
| 287 | TrafficSelector selector = DefaultTrafficSelector.builder() |
| 288 | .matchEthType(Ethernet.TYPE_IPV4) |
| 289 | .matchIPSrc(IpPrefix.valueOf(srcCidr)) |
| 290 | .matchIPDst(IpPrefix.valueOf(dstCidr)) |
| 291 | .build(); |
| 292 | |
Jian Li | 7d111d7 | 2019-04-12 13:58:44 +0900 | [diff] [blame^] | 293 | TrafficTreatment.Builder tBuilder = DefaultTrafficTreatment.builder(); |
| 294 | |
| 295 | if (segId != null) { |
| 296 | tBuilder.setTunnelId(Long.valueOf(segId)); |
| 297 | } |
| 298 | tBuilder.transition(transitTable); |
Jian Li | 004526d | 2019-02-25 16:26:27 +0900 | [diff] [blame] | 299 | |
| 300 | k8sFlowRuleService.setRule( |
| 301 | appId, |
| 302 | deviceId, |
| 303 | selector, |
Jian Li | 7d111d7 | 2019-04-12 13:58:44 +0900 | [diff] [blame^] | 304 | tBuilder.build(), |
Jian Li | 004526d | 2019-02-25 16:26:27 +0900 | [diff] [blame] | 305 | priority, |
| 306 | installTable, |
| 307 | install); |
| 308 | } |
| 309 | |
Jian Li | 5e8a22a | 2019-02-27 11:48:42 +0900 | [diff] [blame] | 310 | private String servicePortStr(String ip, int port, String protocol) { |
| 311 | return ip + "_" + port + "_" + protocol; |
| 312 | } |
Jian Li | 004526d | 2019-02-25 16:26:27 +0900 | [diff] [blame] | 313 | |
Jian Li | 5e8a22a | 2019-02-27 11:48:42 +0900 | [diff] [blame] | 314 | /** |
| 315 | * Obtains the service port to endpoint address paired map. |
| 316 | * |
| 317 | * @param service kubernetes service |
| 318 | * @return a map where key is kubernetes service port, and value is the |
| 319 | * endpoint addresses that are associated with the service port |
| 320 | */ |
| 321 | private Map<ServicePort, Set<String>> getSportEpAddressMap(Service service) { |
| 322 | |
| 323 | Map<ServicePort, Set<String>> map = Maps.newConcurrentMap(); |
Jian Li | 004526d | 2019-02-25 16:26:27 +0900 | [diff] [blame] | 324 | |
| 325 | String serviceName = service.getMetadata().getName(); |
Jian Li | 004526d | 2019-02-25 16:26:27 +0900 | [diff] [blame] | 326 | List<Endpoints> endpointses = k8sEndpointsService.endpointses() |
| 327 | .stream() |
| 328 | .filter(ep -> serviceName.equals(ep.getMetadata().getName())) |
| 329 | .collect(Collectors.toList()); |
| 330 | |
Jian Li | 5e8a22a | 2019-02-27 11:48:42 +0900 | [diff] [blame] | 331 | service.getSpec().getPorts().stream() |
| 332 | .filter(Objects::nonNull) |
| 333 | .filter(sp -> sp.getTargetPort() != null) |
| 334 | .filter(sp -> sp.getTargetPort().getIntVal() != null) |
| 335 | .forEach(sp -> { |
| 336 | int targetPort = sp.getTargetPort().getIntVal(); |
| 337 | String targetProtocol = sp.getProtocol(); |
Jian Li | 004526d | 2019-02-25 16:26:27 +0900 | [diff] [blame] | 338 | |
Jian Li | 5e8a22a | 2019-02-27 11:48:42 +0900 | [diff] [blame] | 339 | for (Endpoints endpoints : endpointses) { |
| 340 | for (EndpointSubset endpointSubset : endpoints.getSubsets()) { |
| 341 | for (EndpointPort endpointPort : endpointSubset.getPorts()) { |
| 342 | if (targetProtocol.equals(endpointPort.getProtocol()) && |
| 343 | targetPort == endpointPort.getPort()) { |
| 344 | Set<String> addresses = endpointSubset.getAddresses() |
| 345 | .stream().map(EndpointAddress::getIp) |
| 346 | .collect(Collectors.toSet()); |
| 347 | map.put(sp, addresses); |
Jian Li | 004526d | 2019-02-25 16:26:27 +0900 | [diff] [blame] | 348 | } |
Jian Li | 5e8a22a | 2019-02-27 11:48:42 +0900 | [diff] [blame] | 349 | } |
Jian Li | 004526d | 2019-02-25 16:26:27 +0900 | [diff] [blame] | 350 | } |
| 351 | } |
Jian Li | 5e8a22a | 2019-02-27 11:48:42 +0900 | [diff] [blame] | 352 | }); |
Jian Li | 004526d | 2019-02-25 16:26:27 +0900 | [diff] [blame] | 353 | |
Jian Li | 5e8a22a | 2019-02-27 11:48:42 +0900 | [diff] [blame] | 354 | return map; |
| 355 | } |
| 356 | |
Jian Li | 4a7ce67 | 2019-04-09 15:20:25 +0900 | [diff] [blame] | 357 | private void setGroupBuckets(DeviceId deviceId, Service service, Pod pod, boolean install) { |
| 358 | |
| 359 | if (pod.getMetadata().getAnnotations() == null) { |
| 360 | return; |
| 361 | } |
| 362 | |
| 363 | String podIpStr = pod.getMetadata().getAnnotations().get(IP_ADDRESS); |
| 364 | |
| 365 | Map<ServicePort, Set<String>> spEpasMap = getSportEpAddressMap(service); |
| 366 | Map<ServicePort, List<GroupBucket>> spGrpBkts = Maps.newConcurrentMap(); |
| 367 | |
| 368 | spEpasMap.forEach((sp, epas) -> { |
| 369 | List<GroupBucket> bkts = Lists.newArrayList(); |
| 370 | |
| 371 | if (install) { |
| 372 | if (epas.contains(podIpStr)) { |
| 373 | bkts = buildBuckets(deviceId, podIpStr, sp); |
| 374 | } |
| 375 | } else { |
| 376 | bkts = buildBuckets(deviceId, podIpStr, sp); |
| 377 | } |
| 378 | |
| 379 | spGrpBkts.put(sp, bkts); |
| 380 | }); |
| 381 | |
| 382 | String serviceIp = service.getSpec().getClusterIP(); |
| 383 | spGrpBkts.forEach((sp, bkts) -> { |
| 384 | String svcStr = servicePortStr(serviceIp, sp.getPort(), sp.getProtocol()); |
| 385 | int groupId = svcStr.hashCode(); |
| 386 | |
| 387 | k8sGroupRuleService.setBuckets(appId, deviceId, groupId, bkts, install); |
| 388 | }); |
| 389 | } |
| 390 | |
| 391 | private List<GroupBucket> buildBuckets(DeviceId deviceId, |
| 392 | String podIpStr, |
| 393 | ServicePort sp) { |
| 394 | List<GroupBucket> bkts = Lists.newArrayList(); |
| 395 | |
Jian Li | 4a7ce67 | 2019-04-09 15:20:25 +0900 | [diff] [blame] | 396 | TrafficTreatment.Builder tBuilder = DefaultTrafficTreatment.builder() |
Jian Li | 7d111d7 | 2019-04-12 13:58:44 +0900 | [diff] [blame^] | 397 | .setIpDst(IpAddress.valueOf(podIpStr)); |
Jian Li | 4a7ce67 | 2019-04-09 15:20:25 +0900 | [diff] [blame] | 398 | |
| 399 | if (TCP.equals(sp.getProtocol())) { |
| 400 | tBuilder.setTcpDst(TpPort.tpPort(sp.getTargetPort().getIntVal())); |
| 401 | } else if (UDP.equals(sp.getProtocol())) { |
| 402 | tBuilder.setUdpDst(TpPort.tpPort(sp.getTargetPort().getIntVal())); |
| 403 | } |
| 404 | |
Jian Li | 7d111d7 | 2019-04-12 13:58:44 +0900 | [diff] [blame^] | 405 | ExtensionTreatment resubmitTreatment = buildResubmitExtension( |
| 406 | deviceService.getDevice(deviceId), ROUTING_TABLE); |
| 407 | tBuilder.extension(resubmitTreatment, deviceId); |
| 408 | |
Jian Li | 4a7ce67 | 2019-04-09 15:20:25 +0900 | [diff] [blame] | 409 | bkts.add(buildGroupBucket(tBuilder.build(), SELECT, (short) -1)); |
| 410 | |
| 411 | return bkts; |
| 412 | } |
| 413 | |
| 414 | private synchronized void setStatelessGroupFlowRules(DeviceId deviceId, |
| 415 | Service service, |
| 416 | boolean install) { |
Jian Li | 5e8a22a | 2019-02-27 11:48:42 +0900 | [diff] [blame] | 417 | Map<ServicePort, Set<String>> spEpasMap = getSportEpAddressMap(service); |
| 418 | Map<String, String> nodeIpGatewayIpMap = |
| 419 | nodeIpGatewayIpMap(k8sNodeService, k8sNetworkService); |
| 420 | Map<ServicePort, List<GroupBucket>> spGrpBkts = Maps.newConcurrentMap(); |
| 421 | |
| 422 | spEpasMap.forEach((sp, epas) -> { |
| 423 | List<GroupBucket> bkts = Lists.newArrayList(); |
| 424 | epas.forEach(epa -> { |
| 425 | String podIp = nodeIpGatewayIpMap.getOrDefault(epa, epa); |
Jian Li | 7d111d7 | 2019-04-12 13:58:44 +0900 | [diff] [blame^] | 426 | |
Jian Li | 5e8a22a | 2019-02-27 11:48:42 +0900 | [diff] [blame] | 427 | TrafficTreatment.Builder tBuilder = DefaultTrafficTreatment.builder() |
Jian Li | 7d111d7 | 2019-04-12 13:58:44 +0900 | [diff] [blame^] | 428 | .setIpDst(IpAddress.valueOf(podIp)); |
Jian Li | 5e8a22a | 2019-02-27 11:48:42 +0900 | [diff] [blame] | 429 | |
| 430 | if (TCP.equals(sp.getProtocol())) { |
| 431 | tBuilder.setTcpDst(TpPort.tpPort(sp.getTargetPort().getIntVal())); |
| 432 | } else if (UDP.equals(sp.getProtocol())) { |
| 433 | tBuilder.setUdpDst(TpPort.tpPort(sp.getTargetPort().getIntVal())); |
| 434 | } |
| 435 | |
Jian Li | 7d111d7 | 2019-04-12 13:58:44 +0900 | [diff] [blame^] | 436 | ExtensionTreatment resubmitTreatment = buildResubmitExtension( |
| 437 | deviceService.getDevice(deviceId), ROUTING_TABLE); |
| 438 | tBuilder.extension(resubmitTreatment, deviceId); |
| 439 | |
Jian Li | 5e8a22a | 2019-02-27 11:48:42 +0900 | [diff] [blame] | 440 | bkts.add(buildGroupBucket(tBuilder.build(), SELECT, (short) -1)); |
| 441 | }); |
| 442 | spGrpBkts.put(sp, bkts); |
| 443 | }); |
| 444 | |
| 445 | String serviceIp = service.getSpec().getClusterIP(); |
| 446 | spGrpBkts.forEach((sp, bkts) -> { |
| 447 | String svcStr = servicePortStr(serviceIp, sp.getPort(), sp.getProtocol()); |
Jian Li | 4a7ce67 | 2019-04-09 15:20:25 +0900 | [diff] [blame] | 448 | int groupId = svcStr.hashCode(); |
Jian Li | 5e8a22a | 2019-02-27 11:48:42 +0900 | [diff] [blame] | 449 | |
Jian Li | 4a7ce67 | 2019-04-09 15:20:25 +0900 | [diff] [blame] | 450 | if (install) { |
| 451 | |
| 452 | // add group table rules |
| 453 | k8sGroupRuleService.setRule(appId, deviceId, groupId, |
| 454 | SELECT, bkts, true); |
| 455 | |
| 456 | log.info("Adding group rule {}", groupId); |
| 457 | |
| 458 | // if we failed to add group rule, we will not install flow rules |
| 459 | // as this might cause rule inconsistency |
| 460 | if (k8sGroupRuleService.hasGroup(deviceId, groupId)) { |
| 461 | // add flow rules for shifting IP domain |
| 462 | setShiftDomainRules(deviceId, SERVICE_TABLE, groupId, |
| 463 | PRIORITY_NAT_RULE, serviceIp, sp.getPort(), |
| 464 | sp.getProtocol(), true); |
| 465 | } |
Jian Li | 5e8a22a | 2019-02-27 11:48:42 +0900 | [diff] [blame] | 466 | } else { |
Jian Li | 4a7ce67 | 2019-04-09 15:20:25 +0900 | [diff] [blame] | 467 | // remove flow rules for shifting IP domain |
| 468 | setShiftDomainRules(deviceId, SERVICE_TABLE, groupId, |
| 469 | PRIORITY_NAT_RULE, serviceIp, sp.getPort(), |
| 470 | sp.getProtocol(), false); |
| 471 | |
| 472 | // remove group table rules |
| 473 | k8sGroupRuleService.setRule(appId, deviceId, groupId, |
| 474 | SELECT, bkts, false); |
| 475 | |
| 476 | log.info("Removing group rule {}", groupId); |
Jian Li | 5e8a22a | 2019-02-27 11:48:42 +0900 | [diff] [blame] | 477 | } |
Jian Li | 5e8a22a | 2019-02-27 11:48:42 +0900 | [diff] [blame] | 478 | }); |
Jian Li | 004526d | 2019-02-25 16:26:27 +0900 | [diff] [blame] | 479 | |
Jian Li | 5e8a22a | 2019-02-27 11:48:42 +0900 | [diff] [blame] | 480 | spEpasMap.forEach((sp, epas) -> |
| 481 | // add flow rules for unshifting IP domain |
| 482 | epas.forEach(epa -> { |
| 483 | String podIp = nodeIpGatewayIpMap.getOrDefault(epa, epa); |
| 484 | setUnshiftDomainRules(deviceId, POD_TABLE, |
| 485 | PRIORITY_NAT_RULE, serviceIp, sp.getPort(), sp.getProtocol(), |
| 486 | podIp, sp.getTargetPort().getIntVal(), install); |
| 487 | } |
| 488 | )); |
Jian Li | 004526d | 2019-02-25 16:26:27 +0900 | [diff] [blame] | 489 | } |
| 490 | |
| 491 | private void setShiftDomainRules(DeviceId deviceId, int installTable, |
Jian Li | 5e8a22a | 2019-02-27 11:48:42 +0900 | [diff] [blame] | 492 | int groupId, int priority, String serviceIp, |
| 493 | int servicePort, String protocol, boolean install) { |
| 494 | TrafficSelector.Builder sBuilder = DefaultTrafficSelector.builder() |
Jian Li | 004526d | 2019-02-25 16:26:27 +0900 | [diff] [blame] | 495 | .matchEthType(Ethernet.TYPE_IPV4) |
Jian Li | 5e8a22a | 2019-02-27 11:48:42 +0900 | [diff] [blame] | 496 | .matchIPDst(IpPrefix.valueOf(IpAddress.valueOf(serviceIp), HOST_CIDR_NUM)); |
| 497 | |
| 498 | if (TCP.equals(protocol)) { |
| 499 | sBuilder.matchIPProtocol(IPv4.PROTOCOL_TCP) |
| 500 | .matchTcpDst(TpPort.tpPort(servicePort)); |
| 501 | } else if (UDP.equals(protocol)) { |
| 502 | sBuilder.matchIPProtocol(IPv4.PROTOCOL_UDP) |
| 503 | .matchUdpDst(TpPort.tpPort(servicePort)); |
| 504 | } |
Jian Li | 004526d | 2019-02-25 16:26:27 +0900 | [diff] [blame] | 505 | |
| 506 | ExtensionTreatment loadTreatment = buildLoadExtension( |
Jian Li | 5e8a22a | 2019-02-27 11:48:42 +0900 | [diff] [blame] | 507 | deviceService.getDevice(deviceId), SRC, SHIFTED_IP_PREFIX); |
Jian Li | 004526d | 2019-02-25 16:26:27 +0900 | [diff] [blame] | 508 | |
| 509 | TrafficTreatment treatment = DefaultTrafficTreatment.builder() |
| 510 | .extension(loadTreatment, deviceId) |
| 511 | .group(GroupId.valueOf(groupId)) |
| 512 | .build(); |
| 513 | |
| 514 | k8sFlowRuleService.setRule( |
| 515 | appId, |
| 516 | deviceId, |
Jian Li | 5e8a22a | 2019-02-27 11:48:42 +0900 | [diff] [blame] | 517 | sBuilder.build(), |
Jian Li | 004526d | 2019-02-25 16:26:27 +0900 | [diff] [blame] | 518 | treatment, |
| 519 | priority, |
| 520 | installTable, |
| 521 | install); |
| 522 | } |
| 523 | |
| 524 | private void setUnshiftDomainRules(DeviceId deviceId, int installTable, |
Jian Li | 5e8a22a | 2019-02-27 11:48:42 +0900 | [diff] [blame] | 525 | int priority, String serviceIp, |
| 526 | int servicePort, String protocol, |
| 527 | String podIp, int podPort, boolean install) { |
| 528 | TrafficSelector.Builder sBuilder = DefaultTrafficSelector.builder() |
Jian Li | 004526d | 2019-02-25 16:26:27 +0900 | [diff] [blame] | 529 | .matchEthType(Ethernet.TYPE_IPV4) |
Jian Li | 5e8a22a | 2019-02-27 11:48:42 +0900 | [diff] [blame] | 530 | .matchIPSrc(IpPrefix.valueOf(IpAddress.valueOf(podIp), HOST_CIDR_NUM)); |
| 531 | |
| 532 | if (TCP.equals(protocol)) { |
| 533 | sBuilder.matchIPProtocol(IPv4.PROTOCOL_TCP) |
| 534 | .matchTcpSrc(TpPort.tpPort(podPort)); |
| 535 | } else if (UDP.equals(protocol)) { |
| 536 | sBuilder.matchIPProtocol(IPv4.PROTOCOL_UDP) |
| 537 | .matchUdpSrc(TpPort.tpPort(podPort)); |
| 538 | } |
| 539 | |
| 540 | String podIpPrefix = podIp.split("\\.")[0] + |
| 541 | "." + podIp.split("\\.")[1]; |
Jian Li | 004526d | 2019-02-25 16:26:27 +0900 | [diff] [blame] | 542 | |
| 543 | ExtensionTreatment loadTreatment = buildLoadExtension( |
Jian Li | 5e8a22a | 2019-02-27 11:48:42 +0900 | [diff] [blame] | 544 | deviceService.getDevice(deviceId), DST, podIpPrefix); |
Jian Li | 004526d | 2019-02-25 16:26:27 +0900 | [diff] [blame] | 545 | |
Jian Li | 5e8a22a | 2019-02-27 11:48:42 +0900 | [diff] [blame] | 546 | TrafficTreatment.Builder tBuilder = DefaultTrafficTreatment.builder() |
Jian Li | 004526d | 2019-02-25 16:26:27 +0900 | [diff] [blame] | 547 | .extension(loadTreatment, deviceId) |
| 548 | .setIpSrc(IpAddress.valueOf(serviceIp)) |
Jian Li | 5e8a22a | 2019-02-27 11:48:42 +0900 | [diff] [blame] | 549 | .transition(ROUTING_TABLE); |
| 550 | |
| 551 | if (TCP.equals(protocol)) { |
| 552 | tBuilder.setTcpSrc(TpPort.tpPort(servicePort)); |
| 553 | } else if (UDP.equals(protocol)) { |
| 554 | tBuilder.setUdpSrc(TpPort.tpPort(servicePort)); |
| 555 | } |
Jian Li | 004526d | 2019-02-25 16:26:27 +0900 | [diff] [blame] | 556 | |
| 557 | k8sFlowRuleService.setRule( |
| 558 | appId, |
| 559 | deviceId, |
Jian Li | 5e8a22a | 2019-02-27 11:48:42 +0900 | [diff] [blame] | 560 | sBuilder.build(), |
| 561 | tBuilder.build(), |
Jian Li | 004526d | 2019-02-25 16:26:27 +0900 | [diff] [blame] | 562 | priority, |
| 563 | installTable, |
| 564 | install); |
| 565 | } |
| 566 | |
| 567 | private void setStatefulGroupFlowRules(DeviceId deviceId, long ctState, |
| 568 | long ctMask, Service service, |
| 569 | boolean install) { |
Jian Li | 2cc2b63 | 2019-02-18 00:56:40 +0900 | [diff] [blame] | 570 | int groupId = (int) groupIdCounter.incrementAndGet(); |
| 571 | |
| 572 | List<GroupBucket> buckets = Lists.newArrayList(); |
| 573 | |
| 574 | String serviceName = service.getMetadata().getName(); |
| 575 | String serviceIp = service.getSpec().getClusterIP(); |
| 576 | |
| 577 | // TODO: multi-ports case should be addressed |
| 578 | Integer servicePort = service.getSpec().getPorts().get(0).getPort(); |
| 579 | |
| 580 | List<Endpoints> endpointses = k8sEndpointsService.endpointses() |
| 581 | .stream() |
| 582 | .filter(ep -> serviceName.equals(ep.getMetadata().getName())) |
| 583 | .collect(Collectors.toList()); |
| 584 | |
| 585 | Map<String, String> nodeIpGatewayIpMap = |
| 586 | nodeIpGatewayIpMap(k8sNodeService, k8sNetworkService); |
| 587 | |
| 588 | for (Endpoints endpoints : endpointses) { |
| 589 | for (EndpointSubset endpointSubset : endpoints.getSubsets()) { |
| 590 | List<EndpointPort> ports = endpointSubset.getPorts() |
| 591 | .stream() |
| 592 | .filter(p -> p.getProtocol().equals(TCP)) |
| 593 | .collect(Collectors.toList()); |
| 594 | |
| 595 | for (EndpointAddress address : endpointSubset.getAddresses()) { |
| 596 | String podIp = nodeIpGatewayIpMap.containsKey(address.getIp()) ? |
| 597 | nodeIpGatewayIpMap.get(address.getIp()) : address.getIp(); |
| 598 | |
| 599 | NiciraConnTrackTreatmentBuilder connTreatmentBuilder = |
| 600 | niciraConnTrackTreatmentBuilder(driverService, deviceId) |
| 601 | .commit(true) |
| 602 | .natAction(true) |
| 603 | .natIp(IpAddress.valueOf(podIp)) |
| 604 | .natFlag(CT_NAT_DST_FLAG); |
| 605 | |
| 606 | ports.forEach(p -> { |
| 607 | ExtensionTreatment ctNatTreatment = connTreatmentBuilder |
| 608 | .natPort(TpPort.tpPort(p.getPort())).build(); |
| 609 | ExtensionTreatment resubmitTreatment = buildResubmitExtension( |
| 610 | deviceService.getDevice(deviceId), ROUTING_TABLE); |
| 611 | TrafficTreatment treatment = DefaultTrafficTreatment.builder() |
| 612 | .extension(ctNatTreatment, deviceId) |
| 613 | .extension(resubmitTreatment, deviceId) |
| 614 | .build(); |
| 615 | buckets.add(buildGroupBucket(treatment, SELECT, (short) -1)); |
| 616 | }); |
| 617 | } |
| 618 | } |
| 619 | } |
| 620 | |
| 621 | if (!buckets.isEmpty()) { |
| 622 | k8sGroupRuleService.setRule(appId, deviceId, groupId, SELECT, buckets, install); |
| 623 | |
| 624 | setTrackNew(deviceId, ctState, ctMask, IpAddress.valueOf(serviceIp), |
| 625 | TpPort.tpPort(servicePort), NAT_TABLE, groupId, |
| 626 | PRIORITY_CT_RULE, install); |
| 627 | } |
| 628 | } |
| 629 | |
| 630 | private void setUntrack(DeviceId deviceId, long ctState, long ctMask, |
| 631 | String srcCidr, String dstCidr, int installTable, |
| 632 | int transitTable, int priority, boolean install) { |
| 633 | ExtensionSelector esCtSate = RulePopulatorUtil |
| 634 | .buildCtExtensionSelector(driverService, deviceId, ctState, ctMask); |
| 635 | TrafficSelector selector = DefaultTrafficSelector.builder() |
| 636 | .matchEthType(Ethernet.TYPE_IPV4) |
| 637 | .matchIPSrc(IpPrefix.valueOf(srcCidr)) |
| 638 | .matchIPDst(IpPrefix.valueOf(dstCidr)) |
| 639 | .extension(esCtSate, deviceId) |
| 640 | .build(); |
| 641 | |
| 642 | NiciraConnTrackTreatmentBuilder connTreatmentBuilder = |
| 643 | niciraConnTrackTreatmentBuilder(driverService, deviceId) |
| 644 | .natAction(false) |
| 645 | .commit(false) |
| 646 | .table((short) transitTable); |
| 647 | |
| 648 | TrafficTreatment treatment = DefaultTrafficTreatment.builder() |
| 649 | .extension(connTreatmentBuilder.build(), deviceId) |
| 650 | .build(); |
| 651 | |
| 652 | k8sFlowRuleService.setRule( |
| 653 | appId, |
| 654 | deviceId, |
| 655 | selector, |
| 656 | treatment, |
| 657 | priority, |
| 658 | installTable, |
| 659 | install); |
| 660 | } |
| 661 | |
| 662 | private void setTrackNew(DeviceId deviceId, long ctState, long ctMask, |
| 663 | IpAddress dstIp, TpPort dstPort, int installTable, |
| 664 | int groupId, int priority, boolean install) { |
| 665 | ExtensionSelector esCtSate = RulePopulatorUtil |
| 666 | .buildCtExtensionSelector(driverService, deviceId, ctState, ctMask); |
| 667 | TrafficSelector selector = DefaultTrafficSelector.builder() |
| 668 | .matchEthType(Ethernet.TYPE_IPV4) |
| 669 | .matchIPDst(IpPrefix.valueOf(dstIp, HOST_CIDR_NUM)) |
| 670 | .matchIPProtocol(IPv4.PROTOCOL_TCP) |
| 671 | .matchTcpDst(dstPort) |
| 672 | .extension(esCtSate, deviceId) |
| 673 | .build(); |
| 674 | TrafficTreatment treatment = DefaultTrafficTreatment.builder() |
| 675 | .group(GroupId.valueOf(groupId)) |
| 676 | .build(); |
| 677 | |
| 678 | k8sFlowRuleService.setRule( |
| 679 | appId, |
| 680 | deviceId, |
| 681 | selector, |
| 682 | treatment, |
| 683 | priority, |
| 684 | installTable, |
| 685 | install); |
| 686 | } |
| 687 | |
| 688 | private void setTrackEstablish(DeviceId deviceId, long ctState, long ctMask, |
| 689 | int installTable, int transitTable, |
| 690 | int priority, boolean install) { |
| 691 | ExtensionSelector esCtSate = RulePopulatorUtil |
| 692 | .buildCtExtensionSelector(driverService, deviceId, ctState, ctMask); |
| 693 | TrafficSelector selector = DefaultTrafficSelector.builder() |
| 694 | .extension(esCtSate, deviceId) |
| 695 | .build(); |
| 696 | |
| 697 | TrafficTreatment treatment = DefaultTrafficTreatment.builder() |
| 698 | .transition(transitTable) |
| 699 | .build(); |
| 700 | |
| 701 | k8sFlowRuleService.setRule( |
| 702 | appId, |
| 703 | deviceId, |
| 704 | selector, |
| 705 | treatment, |
| 706 | priority, |
| 707 | installTable, |
| 708 | install); |
| 709 | } |
| 710 | |
Jian Li | 004526d | 2019-02-25 16:26:27 +0900 | [diff] [blame] | 711 | /** |
| 712 | * Extracts properties from the component configuration context. |
| 713 | * |
| 714 | * @param context the component context |
| 715 | */ |
| 716 | private void readComponentConfiguration(ComponentContext context) { |
| 717 | Dictionary<?, ?> properties = context.getProperties(); |
| 718 | |
| 719 | String updatedNatMode = Tools.get(properties, SERVICE_IP_NAT_MODE); |
| 720 | serviceIpNatMode = updatedNatMode != null ? updatedNatMode : SERVICE_IP_NAT_MODE_DEFAULT; |
| 721 | log.info("Configured. Service IP NAT mode is {}", serviceIpNatMode); |
| 722 | } |
| 723 | |
Jian Li | 4a7ce67 | 2019-04-09 15:20:25 +0900 | [diff] [blame] | 724 | private void setServiceNatRules(DeviceId deviceId, boolean install) { |
| 725 | if (NAT_STATEFUL.equals(serviceIpNatMode)) { |
| 726 | setStatefulServiceNatRules(deviceId, install); |
| 727 | } else if (NAT_STATELESS.equals(serviceIpNatMode)) { |
| 728 | setStatelessServiceNatRules(deviceId, install); |
| 729 | } else { |
| 730 | log.warn("Service IP NAT mode was not configured!"); |
| 731 | } |
| 732 | } |
| 733 | |
Jian Li | 2cc2b63 | 2019-02-18 00:56:40 +0900 | [diff] [blame] | 734 | private class InternalK8sServiceListener implements K8sServiceListener { |
| 735 | |
| 736 | private boolean isRelevantHelper() { |
| 737 | return Objects.equals(localNodeId, leadershipService.getLeader(appId.name())); |
| 738 | } |
| 739 | |
| 740 | @Override |
| 741 | public void event(K8sServiceEvent event) { |
| 742 | switch (event.type()) { |
| 743 | case K8S_SERVICE_CREATED: |
Jian Li | 4a7ce67 | 2019-04-09 15:20:25 +0900 | [diff] [blame] | 744 | case K8S_SERVICE_UPDATED: |
Jian Li | 2cc2b63 | 2019-02-18 00:56:40 +0900 | [diff] [blame] | 745 | eventExecutor.execute(() -> processServiceCreation(event.subject())); |
| 746 | break; |
| 747 | case K8S_SERVICE_REMOVED: |
| 748 | eventExecutor.execute(() -> processServiceRemoval(event.subject())); |
| 749 | break; |
| 750 | default: |
| 751 | // do nothing |
| 752 | break; |
| 753 | } |
| 754 | } |
| 755 | |
| 756 | private void processServiceCreation(Service service) { |
| 757 | if (!isRelevantHelper()) { |
| 758 | return; |
| 759 | } |
| 760 | |
Jian Li | 5e8a22a | 2019-02-27 11:48:42 +0900 | [diff] [blame] | 761 | if (NAT_STATEFUL.equals(serviceIpNatMode)) { |
| 762 | long ctTrackNew = computeCtStateFlag(true, true, false); |
| 763 | long ctMaskTrackNew = computeCtMaskFlag(true, true, false); |
Jian Li | 2cc2b63 | 2019-02-18 00:56:40 +0900 | [diff] [blame] | 764 | |
Jian Li | 5e8a22a | 2019-02-27 11:48:42 +0900 | [diff] [blame] | 765 | k8sNodeService.completeNodes().forEach(n -> |
| 766 | setStatefulGroupFlowRules(n.intgBridge(), ctTrackNew, |
| 767 | ctMaskTrackNew, service, true)); |
| 768 | } else if (NAT_STATELESS.equals(serviceIpNatMode)) { |
| 769 | k8sNodeService.completeNodes().forEach(n -> |
| 770 | setStatelessGroupFlowRules(n.intgBridge(), service, true)); |
| 771 | } |
Jian Li | 2cc2b63 | 2019-02-18 00:56:40 +0900 | [diff] [blame] | 772 | } |
| 773 | |
| 774 | private void processServiceRemoval(Service service) { |
| 775 | if (!isRelevantHelper()) { |
| 776 | return; |
| 777 | } |
| 778 | |
Jian Li | 5e8a22a | 2019-02-27 11:48:42 +0900 | [diff] [blame] | 779 | if (NAT_STATEFUL.equals(serviceIpNatMode)) { |
| 780 | long ctTrackNew = computeCtStateFlag(true, true, false); |
| 781 | long ctMaskTrackNew = computeCtMaskFlag(true, true, false); |
Jian Li | 2cc2b63 | 2019-02-18 00:56:40 +0900 | [diff] [blame] | 782 | |
Jian Li | 5e8a22a | 2019-02-27 11:48:42 +0900 | [diff] [blame] | 783 | k8sNodeService.completeNodes().forEach(n -> |
| 784 | setStatefulGroupFlowRules(n.intgBridge(), ctTrackNew, |
| 785 | ctMaskTrackNew, service, false)); |
| 786 | } else if (NAT_STATELESS.equals(serviceIpNatMode)) { |
| 787 | k8sNodeService.completeNodes().forEach(n -> |
| 788 | setStatelessGroupFlowRules(n.intgBridge(), service, false)); |
| 789 | } |
Jian Li | 004526d | 2019-02-25 16:26:27 +0900 | [diff] [blame] | 790 | } |
Jian Li | 2cc2b63 | 2019-02-18 00:56:40 +0900 | [diff] [blame] | 791 | } |
| 792 | |
Jian Li | 4a7ce67 | 2019-04-09 15:20:25 +0900 | [diff] [blame] | 793 | private class InternalK8sPodListener implements K8sPodListener { |
| 794 | |
| 795 | private boolean isRelevantHelper() { |
| 796 | return Objects.equals(localNodeId, leadershipService.getLeader(appId.name())); |
| 797 | } |
| 798 | |
| 799 | @Override |
| 800 | public void event(K8sPodEvent event) { |
| 801 | switch (event.type()) { |
Jian Li | 5c75583 | 2019-04-11 23:24:28 +0900 | [diff] [blame] | 802 | case K8S_POD_ANNOTATION_ADDED: |
| 803 | eventExecutor.execute(() -> processPodAnnotAddition(event.subject())); |
Jian Li | 4a7ce67 | 2019-04-09 15:20:25 +0900 | [diff] [blame] | 804 | break; |
| 805 | case K8S_POD_REMOVED: |
| 806 | eventExecutor.execute(() -> processPodRemoval(event.subject())); |
| 807 | break; |
| 808 | default: |
| 809 | break; |
| 810 | } |
| 811 | } |
| 812 | |
Jian Li | 5c75583 | 2019-04-11 23:24:28 +0900 | [diff] [blame] | 813 | private void processPodAnnotAddition(Pod pod) { |
Jian Li | 4a7ce67 | 2019-04-09 15:20:25 +0900 | [diff] [blame] | 814 | if (!isRelevantHelper()) { |
| 815 | return; |
| 816 | } |
| 817 | |
| 818 | setServiceRuleFromPod(pod, true); |
| 819 | } |
| 820 | |
| 821 | private void processPodRemoval(Pod pod) { |
| 822 | if (!isRelevantHelper()) { |
| 823 | return; |
| 824 | } |
| 825 | |
| 826 | setServiceRuleFromPod(pod, false); |
| 827 | } |
| 828 | |
| 829 | private void setServiceRuleFromPod(Pod pod, boolean install) { |
| 830 | k8sServiceService.services().forEach(s -> { |
| 831 | pod.getMetadata().getLabels().forEach((pk, pv) -> { |
| 832 | Map<String, String> selectors = s.getSpec().getSelector(); |
| 833 | if (selectors != null && selectors.containsKey(pk)) { |
| 834 | if (pv.equals(selectors.get(pk))) { |
| 835 | k8sNodeService.completeNodes().forEach(n -> |
| 836 | setGroupBuckets(n.intgBridge(), s, pod, install)); |
| 837 | } |
| 838 | } |
| 839 | }); |
| 840 | }); |
| 841 | } |
| 842 | } |
| 843 | |
Jian Li | 2cc2b63 | 2019-02-18 00:56:40 +0900 | [diff] [blame] | 844 | private class InternalNodeEventListener implements K8sNodeListener { |
| 845 | |
| 846 | private boolean isRelevantHelper() { |
| 847 | return Objects.equals(localNodeId, leadershipService.getLeader(appId.name())); |
| 848 | } |
| 849 | |
| 850 | @Override |
| 851 | public void event(K8sNodeEvent event) { |
| 852 | K8sNode k8sNode = event.subject(); |
| 853 | switch (event.type()) { |
| 854 | case K8S_NODE_COMPLETE: |
| 855 | eventExecutor.execute(() -> processNodeCompletion(k8sNode)); |
| 856 | break; |
| 857 | case K8S_NODE_INCOMPLETE: |
Jian Li | 4a7ce67 | 2019-04-09 15:20:25 +0900 | [diff] [blame] | 858 | case K8S_NODE_REMOVED: |
Jian Li | 2cc2b63 | 2019-02-18 00:56:40 +0900 | [diff] [blame] | 859 | default: |
| 860 | break; |
| 861 | } |
| 862 | } |
| 863 | |
| 864 | private void processNodeCompletion(K8sNode node) { |
| 865 | if (!isRelevantHelper()) { |
| 866 | return; |
| 867 | } |
| 868 | |
Jian Li | 4a7ce67 | 2019-04-09 15:20:25 +0900 | [diff] [blame] | 869 | setServiceNatRules(node.intgBridge(), true); |
Jian Li | 2cc2b63 | 2019-02-18 00:56:40 +0900 | [diff] [blame] | 870 | } |
| 871 | } |
| 872 | } |