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 | e1a5b8f | 2019-07-23 17:13:19 +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; |
Jian Li | f5da78a | 2019-04-15 01:52:23 +0900 | [diff] [blame] | 31 | import org.onlab.packet.MacAddress; |
Jian Li | 2cc2b63 | 2019-02-18 00:56:40 +0900 | [diff] [blame] | 32 | import org.onlab.packet.TpPort; |
Jian Li | 004526d | 2019-02-25 16:26:27 +0900 | [diff] [blame] | 33 | import org.onlab.util.Tools; |
| 34 | import org.onosproject.cfg.ComponentConfigService; |
Jian Li | 2cc2b63 | 2019-02-18 00:56:40 +0900 | [diff] [blame] | 35 | import org.onosproject.cluster.ClusterService; |
| 36 | import org.onosproject.cluster.LeadershipService; |
| 37 | import org.onosproject.cluster.NodeId; |
| 38 | import org.onosproject.core.ApplicationId; |
| 39 | import org.onosproject.core.CoreService; |
| 40 | import org.onosproject.core.GroupId; |
Jian Li | 7b63fe6 | 2019-04-14 21:49:27 +0900 | [diff] [blame] | 41 | import org.onosproject.k8snetworking.api.K8sEndpointsEvent; |
| 42 | import org.onosproject.k8snetworking.api.K8sEndpointsListener; |
Jian Li | 2cc2b63 | 2019-02-18 00:56:40 +0900 | [diff] [blame] | 43 | import org.onosproject.k8snetworking.api.K8sEndpointsService; |
| 44 | import org.onosproject.k8snetworking.api.K8sFlowRuleService; |
| 45 | import org.onosproject.k8snetworking.api.K8sGroupRuleService; |
Jian Li | f5da78a | 2019-04-15 01:52:23 +0900 | [diff] [blame] | 46 | import org.onosproject.k8snetworking.api.K8sNetwork; |
| 47 | import org.onosproject.k8snetworking.api.K8sNetworkEvent; |
| 48 | import org.onosproject.k8snetworking.api.K8sNetworkListener; |
Jian Li | 2cc2b63 | 2019-02-18 00:56:40 +0900 | [diff] [blame] | 49 | import org.onosproject.k8snetworking.api.K8sNetworkService; |
Jian Li | e1a5b8f | 2019-07-23 17:13:19 +0900 | [diff] [blame] | 50 | import org.onosproject.k8snetworking.api.K8sPodService; |
Jian Li | 2cc2b63 | 2019-02-18 00:56:40 +0900 | [diff] [blame] | 51 | import org.onosproject.k8snetworking.api.K8sServiceEvent; |
| 52 | import org.onosproject.k8snetworking.api.K8sServiceListener; |
| 53 | import org.onosproject.k8snetworking.api.K8sServiceService; |
| 54 | import org.onosproject.k8snetworking.util.RulePopulatorUtil; |
| 55 | import org.onosproject.k8snetworking.util.RulePopulatorUtil.NiciraConnTrackTreatmentBuilder; |
| 56 | import org.onosproject.k8snode.api.K8sNode; |
| 57 | import org.onosproject.k8snode.api.K8sNodeEvent; |
| 58 | import org.onosproject.k8snode.api.K8sNodeListener; |
| 59 | import org.onosproject.k8snode.api.K8sNodeService; |
| 60 | import org.onosproject.net.DeviceId; |
Jian Li | f5da78a | 2019-04-15 01:52:23 +0900 | [diff] [blame] | 61 | import org.onosproject.net.PortNumber; |
Jian Li | 2cc2b63 | 2019-02-18 00:56:40 +0900 | [diff] [blame] | 62 | import org.onosproject.net.device.DeviceService; |
| 63 | import org.onosproject.net.driver.DriverService; |
| 64 | import org.onosproject.net.flow.DefaultTrafficSelector; |
| 65 | import org.onosproject.net.flow.DefaultTrafficTreatment; |
| 66 | import org.onosproject.net.flow.TrafficSelector; |
| 67 | import org.onosproject.net.flow.TrafficTreatment; |
| 68 | import org.onosproject.net.flow.criteria.ExtensionSelector; |
| 69 | import org.onosproject.net.flow.instructions.ExtensionTreatment; |
| 70 | import org.onosproject.net.group.GroupBucket; |
Jian Li | 2cc2b63 | 2019-02-18 00:56:40 +0900 | [diff] [blame] | 71 | import org.onosproject.store.service.StorageService; |
Jian Li | 004526d | 2019-02-25 16:26:27 +0900 | [diff] [blame] | 72 | import org.osgi.service.component.ComponentContext; |
Jian Li | 2cc2b63 | 2019-02-18 00:56:40 +0900 | [diff] [blame] | 73 | import org.osgi.service.component.annotations.Activate; |
| 74 | import org.osgi.service.component.annotations.Component; |
| 75 | import org.osgi.service.component.annotations.Deactivate; |
Jian Li | 004526d | 2019-02-25 16:26:27 +0900 | [diff] [blame] | 76 | import org.osgi.service.component.annotations.Modified; |
Jian Li | 2cc2b63 | 2019-02-18 00:56:40 +0900 | [diff] [blame] | 77 | import org.osgi.service.component.annotations.Reference; |
| 78 | import org.osgi.service.component.annotations.ReferenceCardinality; |
| 79 | import org.slf4j.Logger; |
| 80 | |
Jian Li | 004526d | 2019-02-25 16:26:27 +0900 | [diff] [blame] | 81 | import java.util.Dictionary; |
Jian Li | 2cc2b63 | 2019-02-18 00:56:40 +0900 | [diff] [blame] | 82 | import java.util.List; |
| 83 | import java.util.Map; |
| 84 | import java.util.Objects; |
Jian Li | 004526d | 2019-02-25 16:26:27 +0900 | [diff] [blame] | 85 | import java.util.Set; |
Jian Li | 2cc2b63 | 2019-02-18 00:56:40 +0900 | [diff] [blame] | 86 | import java.util.concurrent.ExecutorService; |
| 87 | import java.util.stream.Collectors; |
| 88 | |
| 89 | import static java.util.concurrent.Executors.newSingleThreadExecutor; |
| 90 | import static org.onlab.util.Tools.groupedThreads; |
Jian Li | 73d3b6a | 2019-07-08 18:07:53 +0900 | [diff] [blame] | 91 | import static org.onosproject.k8snetworking.api.Constants.ACL_TABLE; |
Jian Li | 140d8a2 | 2019-04-24 23:41:44 +0900 | [diff] [blame] | 92 | import static org.onosproject.k8snetworking.api.Constants.A_CLASS; |
| 93 | import static org.onosproject.k8snetworking.api.Constants.B_CLASS; |
Jian Li | 5e8a22a | 2019-02-27 11:48:42 +0900 | [diff] [blame] | 94 | import static org.onosproject.k8snetworking.api.Constants.DST; |
Jian Li | 73d3b6a | 2019-07-08 18:07:53 +0900 | [diff] [blame] | 95 | import static org.onosproject.k8snetworking.api.Constants.GROUPING_TABLE; |
Jian Li | 2cc2b63 | 2019-02-18 00:56:40 +0900 | [diff] [blame] | 96 | import static org.onosproject.k8snetworking.api.Constants.K8S_NETWORKING_APP_ID; |
Jian Li | e1a5b8f | 2019-07-23 17:13:19 +0900 | [diff] [blame] | 97 | import static org.onosproject.k8snetworking.api.Constants.NAMESPACE_TABLE; |
Jian Li | 004526d | 2019-02-25 16:26:27 +0900 | [diff] [blame] | 98 | import static org.onosproject.k8snetworking.api.Constants.NAT_STATEFUL; |
| 99 | import static org.onosproject.k8snetworking.api.Constants.NAT_STATELESS; |
Jian Li | 2cc2b63 | 2019-02-18 00:56:40 +0900 | [diff] [blame] | 100 | import static org.onosproject.k8snetworking.api.Constants.NAT_TABLE; |
Jian Li | 140d8a2 | 2019-04-24 23:41:44 +0900 | [diff] [blame] | 101 | import static org.onosproject.k8snetworking.api.Constants.NODE_IP_PREFIX; |
Jian Li | 004526d | 2019-02-25 16:26:27 +0900 | [diff] [blame] | 102 | import static org.onosproject.k8snetworking.api.Constants.POD_TABLE; |
Jian Li | f5da78a | 2019-04-15 01:52:23 +0900 | [diff] [blame] | 103 | import static org.onosproject.k8snetworking.api.Constants.PRIORITY_CIDR_RULE; |
Jian Li | 2cc2b63 | 2019-02-18 00:56:40 +0900 | [diff] [blame] | 104 | import static org.onosproject.k8snetworking.api.Constants.PRIORITY_CT_RULE; |
Jian Li | 7d111d7 | 2019-04-12 13:58:44 +0900 | [diff] [blame] | 105 | import static org.onosproject.k8snetworking.api.Constants.PRIORITY_INTER_ROUTING_RULE; |
Jian Li | 004526d | 2019-02-25 16:26:27 +0900 | [diff] [blame] | 106 | import static org.onosproject.k8snetworking.api.Constants.PRIORITY_NAT_RULE; |
Jian Li | 2cc2b63 | 2019-02-18 00:56:40 +0900 | [diff] [blame] | 107 | import static org.onosproject.k8snetworking.api.Constants.ROUTING_TABLE; |
Jian Li | f5da78a | 2019-04-15 01:52:23 +0900 | [diff] [blame] | 108 | import static org.onosproject.k8snetworking.api.Constants.SERVICE_FAKE_MAC_STR; |
Jian Li | 004526d | 2019-02-25 16:26:27 +0900 | [diff] [blame] | 109 | import static org.onosproject.k8snetworking.api.Constants.SERVICE_TABLE; |
| 110 | import static org.onosproject.k8snetworking.api.Constants.SHIFTED_IP_CIDR; |
| 111 | import static org.onosproject.k8snetworking.api.Constants.SHIFTED_IP_PREFIX; |
Jian Li | 5e8a22a | 2019-02-27 11:48:42 +0900 | [diff] [blame] | 112 | import static org.onosproject.k8snetworking.api.Constants.SRC; |
Jian Li | e1a5b8f | 2019-07-23 17:13:19 +0900 | [diff] [blame] | 113 | import static org.onosproject.k8snetworking.api.Constants.STAT_EGRESS_TABLE; |
Jian Li | 1ecfbb7 | 2020-09-02 14:45:35 +0900 | [diff] [blame] | 114 | import static org.onosproject.k8snetworking.api.Constants.TUN_ENTRY_TABLE; |
Jian Li | f5da78a | 2019-04-15 01:52:23 +0900 | [diff] [blame] | 115 | import static org.onosproject.k8snetworking.impl.OsgiPropertyConstants.SERVICE_CIDR; |
| 116 | import static org.onosproject.k8snetworking.impl.OsgiPropertyConstants.SERVICE_IP_CIDR_DEFAULT; |
Jian Li | 004526d | 2019-02-25 16:26:27 +0900 | [diff] [blame] | 117 | import static org.onosproject.k8snetworking.impl.OsgiPropertyConstants.SERVICE_IP_NAT_MODE; |
| 118 | import static org.onosproject.k8snetworking.impl.OsgiPropertyConstants.SERVICE_IP_NAT_MODE_DEFAULT; |
Jian Li | 140d8a2 | 2019-04-24 23:41:44 +0900 | [diff] [blame] | 119 | import static org.onosproject.k8snetworking.util.K8sNetworkingUtil.getBclassIpPrefixFromCidr; |
Jian Li | 2cc2b63 | 2019-02-18 00:56:40 +0900 | [diff] [blame] | 120 | import static org.onosproject.k8snetworking.util.K8sNetworkingUtil.nodeIpGatewayIpMap; |
Jian Li | e1a5b8f | 2019-07-23 17:13:19 +0900 | [diff] [blame] | 121 | import static org.onosproject.k8snetworking.util.K8sNetworkingUtil.podByIp; |
| 122 | import static org.onosproject.k8snetworking.util.K8sNetworkingUtil.portNumberByName; |
Jian Li | f5da78a | 2019-04-15 01:52:23 +0900 | [diff] [blame] | 123 | import static org.onosproject.k8snetworking.util.K8sNetworkingUtil.tunnelPortNumByNetId; |
Jian Li | 2cc2b63 | 2019-02-18 00:56:40 +0900 | [diff] [blame] | 124 | import static org.onosproject.k8snetworking.util.RulePopulatorUtil.CT_NAT_DST_FLAG; |
Jian Li | f5da78a | 2019-04-15 01:52:23 +0900 | [diff] [blame] | 125 | import static org.onosproject.k8snetworking.util.RulePopulatorUtil.buildExtension; |
Jian Li | 2cc2b63 | 2019-02-18 00:56:40 +0900 | [diff] [blame] | 126 | import static org.onosproject.k8snetworking.util.RulePopulatorUtil.buildGroupBucket; |
Jian Li | 004526d | 2019-02-25 16:26:27 +0900 | [diff] [blame] | 127 | import static org.onosproject.k8snetworking.util.RulePopulatorUtil.buildLoadExtension; |
Jian Li | 2cc2b63 | 2019-02-18 00:56:40 +0900 | [diff] [blame] | 128 | import static org.onosproject.k8snetworking.util.RulePopulatorUtil.buildResubmitExtension; |
| 129 | import static org.onosproject.k8snetworking.util.RulePopulatorUtil.computeCtMaskFlag; |
| 130 | import static org.onosproject.k8snetworking.util.RulePopulatorUtil.computeCtStateFlag; |
| 131 | import static org.onosproject.k8snetworking.util.RulePopulatorUtil.niciraConnTrackTreatmentBuilder; |
| 132 | import static org.onosproject.net.group.GroupDescription.Type.SELECT; |
| 133 | import static org.slf4j.LoggerFactory.getLogger; |
| 134 | |
| 135 | /** |
| 136 | * Handles the service IP to pod IP related translation traffic. |
| 137 | */ |
Jian Li | 004526d | 2019-02-25 16:26:27 +0900 | [diff] [blame] | 138 | @Component( |
| 139 | immediate = true, |
| 140 | property = { |
Jian Li | f5da78a | 2019-04-15 01:52:23 +0900 | [diff] [blame] | 141 | SERVICE_IP_NAT_MODE + "=" + SERVICE_IP_NAT_MODE_DEFAULT, |
| 142 | SERVICE_CIDR + "=" + SERVICE_IP_CIDR_DEFAULT |
Jian Li | 004526d | 2019-02-25 16:26:27 +0900 | [diff] [blame] | 143 | } |
| 144 | ) |
Jian Li | 2cc2b63 | 2019-02-18 00:56:40 +0900 | [diff] [blame] | 145 | public class K8sServiceHandler { |
| 146 | |
| 147 | private final Logger log = getLogger(getClass()); |
| 148 | |
Jian Li | 2cc2b63 | 2019-02-18 00:56:40 +0900 | [diff] [blame] | 149 | private static final int HOST_CIDR_NUM = 32; |
| 150 | |
Jian Li | 2cc2b63 | 2019-02-18 00:56:40 +0900 | [diff] [blame] | 151 | private static final String CLUSTER_IP = "ClusterIP"; |
| 152 | private static final String TCP = "TCP"; |
Jian Li | 5e8a22a | 2019-02-27 11:48:42 +0900 | [diff] [blame] | 153 | private static final String UDP = "UDP"; |
Jian Li | f5da78a | 2019-04-15 01:52:23 +0900 | [diff] [blame] | 154 | private static final String SERVICE_IP_NAT_MODE = "serviceIpNatMode"; |
Jian Li | 2cc2b63 | 2019-02-18 00:56:40 +0900 | [diff] [blame] | 155 | |
Jian Li | 140d8a2 | 2019-04-24 23:41:44 +0900 | [diff] [blame] | 156 | private static final String SERVICE_CIDR = "serviceCidr"; |
Jian Li | 44c2b12 | 2019-05-03 14:46:34 +0900 | [diff] [blame] | 157 | private static final String NONE = "None"; |
Jian Li | 140d8a2 | 2019-04-24 23:41:44 +0900 | [diff] [blame] | 158 | private static final String B_CLASS_SUFFIX = ".0.0/16"; |
| 159 | private static final String A_CLASS_SUFFIX = ".0.0.0/8"; |
| 160 | |
Jian Li | 2cc2b63 | 2019-02-18 00:56:40 +0900 | [diff] [blame] | 161 | @Reference(cardinality = ReferenceCardinality.MANDATORY) |
| 162 | protected CoreService coreService; |
| 163 | |
| 164 | @Reference(cardinality = ReferenceCardinality.MANDATORY) |
| 165 | protected LeadershipService leadershipService; |
| 166 | |
| 167 | @Reference(cardinality = ReferenceCardinality.MANDATORY) |
| 168 | protected ClusterService clusterService; |
| 169 | |
| 170 | @Reference(cardinality = ReferenceCardinality.MANDATORY) |
| 171 | protected DriverService driverService; |
| 172 | |
| 173 | @Reference(cardinality = ReferenceCardinality.MANDATORY) |
| 174 | protected DeviceService deviceService; |
| 175 | |
| 176 | @Reference(cardinality = ReferenceCardinality.MANDATORY) |
Jian Li | 004526d | 2019-02-25 16:26:27 +0900 | [diff] [blame] | 177 | protected ComponentConfigService configService; |
| 178 | |
| 179 | @Reference(cardinality = ReferenceCardinality.MANDATORY) |
Jian Li | 2cc2b63 | 2019-02-18 00:56:40 +0900 | [diff] [blame] | 180 | protected StorageService storageService; |
| 181 | |
| 182 | @Reference(cardinality = ReferenceCardinality.MANDATORY) |
| 183 | protected K8sNetworkService k8sNetworkService; |
| 184 | |
| 185 | @Reference(cardinality = ReferenceCardinality.MANDATORY) |
| 186 | protected K8sFlowRuleService k8sFlowRuleService; |
| 187 | |
| 188 | @Reference(cardinality = ReferenceCardinality.MANDATORY) |
| 189 | protected K8sGroupRuleService k8sGroupRuleService; |
| 190 | |
| 191 | @Reference(cardinality = ReferenceCardinality.MANDATORY) |
| 192 | protected K8sNodeService k8sNodeService; |
| 193 | |
| 194 | @Reference(cardinality = ReferenceCardinality.MANDATORY) |
| 195 | protected K8sEndpointsService k8sEndpointsService; |
| 196 | |
| 197 | @Reference(cardinality = ReferenceCardinality.MANDATORY) |
| 198 | protected K8sServiceService k8sServiceService; |
| 199 | |
Jian Li | e1a5b8f | 2019-07-23 17:13:19 +0900 | [diff] [blame] | 200 | @Reference(cardinality = ReferenceCardinality.MANDATORY) |
| 201 | protected K8sPodService k8sPodService; |
Jian Li | 4a7ce67 | 2019-04-09 15:20:25 +0900 | [diff] [blame] | 202 | |
Jian Li | 004526d | 2019-02-25 16:26:27 +0900 | [diff] [blame] | 203 | /** Service IP address translation mode. */ |
| 204 | private String serviceIpNatMode = SERVICE_IP_NAT_MODE_DEFAULT; |
| 205 | |
Jian Li | f5da78a | 2019-04-15 01:52:23 +0900 | [diff] [blame] | 206 | /** Ranges of IP address of service VIP. */ |
| 207 | private String serviceCidr = SERVICE_IP_CIDR_DEFAULT; |
| 208 | |
Jian Li | 2cc2b63 | 2019-02-18 00:56:40 +0900 | [diff] [blame] | 209 | private final ExecutorService eventExecutor = newSingleThreadExecutor( |
| 210 | groupedThreads(this.getClass().getSimpleName(), "event-handler", log)); |
| 211 | private final InternalNodeEventListener internalNodeEventListener = |
| 212 | new InternalNodeEventListener(); |
| 213 | private final InternalK8sServiceListener internalK8sServiceListener = |
| 214 | new InternalK8sServiceListener(); |
Jian Li | 7b63fe6 | 2019-04-14 21:49:27 +0900 | [diff] [blame] | 215 | private final InternalK8sEndpointsListener internalK8sEndpointsListener = |
| 216 | new InternalK8sEndpointsListener(); |
Jian Li | f5da78a | 2019-04-15 01:52:23 +0900 | [diff] [blame] | 217 | private final InternalK8sNetworkListener internalK8sNetworkListener = |
| 218 | new InternalK8sNetworkListener(); |
Jian Li | 2cc2b63 | 2019-02-18 00:56:40 +0900 | [diff] [blame] | 219 | |
Jian Li | 2cc2b63 | 2019-02-18 00:56:40 +0900 | [diff] [blame] | 220 | private ApplicationId appId; |
| 221 | private NodeId localNodeId; |
| 222 | |
| 223 | @Activate |
| 224 | protected void activate() { |
| 225 | appId = coreService.registerApplication(K8S_NETWORKING_APP_ID); |
Jian Li | 004526d | 2019-02-25 16:26:27 +0900 | [diff] [blame] | 226 | configService.registerProperties(getClass()); |
Jian Li | 2cc2b63 | 2019-02-18 00:56:40 +0900 | [diff] [blame] | 227 | localNodeId = clusterService.getLocalNode().id(); |
| 228 | leadershipService.runForLeadership(appId.name()); |
| 229 | k8sNodeService.addListener(internalNodeEventListener); |
| 230 | k8sServiceService.addListener(internalK8sServiceListener); |
Jian Li | 7b63fe6 | 2019-04-14 21:49:27 +0900 | [diff] [blame] | 231 | k8sEndpointsService.addListener(internalK8sEndpointsListener); |
Jian Li | f5da78a | 2019-04-15 01:52:23 +0900 | [diff] [blame] | 232 | k8sNetworkService.addListener(internalK8sNetworkListener); |
Jian Li | 2cc2b63 | 2019-02-18 00:56:40 +0900 | [diff] [blame] | 233 | |
Jian Li | 2cc2b63 | 2019-02-18 00:56:40 +0900 | [diff] [blame] | 234 | log.info("Started"); |
| 235 | } |
| 236 | |
| 237 | @Deactivate |
| 238 | protected void deactivate() { |
| 239 | leadershipService.withdraw(appId.name()); |
| 240 | k8sNodeService.removeListener(internalNodeEventListener); |
| 241 | k8sServiceService.removeListener(internalK8sServiceListener); |
Jian Li | 7b63fe6 | 2019-04-14 21:49:27 +0900 | [diff] [blame] | 242 | k8sEndpointsService.removeListener(internalK8sEndpointsListener); |
Jian Li | f5da78a | 2019-04-15 01:52:23 +0900 | [diff] [blame] | 243 | k8sNetworkService.removeListener(internalK8sNetworkListener); |
Jian Li | 004526d | 2019-02-25 16:26:27 +0900 | [diff] [blame] | 244 | configService.unregisterProperties(getClass(), false); |
Jian Li | 2cc2b63 | 2019-02-18 00:56:40 +0900 | [diff] [blame] | 245 | eventExecutor.shutdown(); |
| 246 | |
| 247 | log.info("Stopped"); |
| 248 | } |
| 249 | |
Jian Li | 004526d | 2019-02-25 16:26:27 +0900 | [diff] [blame] | 250 | @Modified |
| 251 | void modified(ComponentContext context) { |
| 252 | readComponentConfiguration(context); |
| 253 | |
| 254 | log.info("Modified"); |
| 255 | } |
| 256 | |
| 257 | private void setStatefulServiceNatRules(DeviceId deviceId, boolean install) { |
Jian Li | 2cc2b63 | 2019-02-18 00:56:40 +0900 | [diff] [blame] | 258 | // -trk CT rules |
| 259 | long ctUntrack = computeCtStateFlag(false, false, false); |
| 260 | long ctMaskUntrack = computeCtMaskFlag(true, false, false); |
| 261 | |
| 262 | k8sNetworkService.networks().forEach(n -> { |
| 263 | // TODO: need to provide a way to add multiple service IP CIDR ranges |
Jian Li | f5da78a | 2019-04-15 01:52:23 +0900 | [diff] [blame] | 264 | setUntrack(deviceId, ctUntrack, ctMaskUntrack, n.cidr(), serviceCidr, |
Jian Li | 73d3b6a | 2019-07-08 18:07:53 +0900 | [diff] [blame] | 265 | GROUPING_TABLE, NAT_TABLE, PRIORITY_CT_RULE, install); |
Jian Li | 2cc2b63 | 2019-02-18 00:56:40 +0900 | [diff] [blame] | 266 | setUntrack(deviceId, ctUntrack, ctMaskUntrack, n.cidr(), n.cidr(), |
Jian Li | e1a5b8f | 2019-07-23 17:13:19 +0900 | [diff] [blame] | 267 | GROUPING_TABLE, NAMESPACE_TABLE, PRIORITY_CT_RULE, install); |
Jian Li | 2cc2b63 | 2019-02-18 00:56:40 +0900 | [diff] [blame] | 268 | }); |
| 269 | |
| 270 | // +trk-new CT rules |
| 271 | long ctTrackUnnew = computeCtStateFlag(true, false, false); |
| 272 | long ctMaskTrackUnnew = computeCtMaskFlag(true, true, false); |
| 273 | |
| 274 | setTrackEstablish(deviceId, ctTrackUnnew, ctMaskTrackUnnew, |
| 275 | NAT_TABLE, ROUTING_TABLE, PRIORITY_CT_RULE, install); |
| 276 | |
| 277 | // +trk+new CT rules |
| 278 | long ctTrackNew = computeCtStateFlag(true, true, false); |
| 279 | long ctMaskTrackNew = computeCtMaskFlag(true, true, false); |
| 280 | |
| 281 | k8sServiceService.services().stream() |
| 282 | .filter(s -> CLUSTER_IP.equals(s.getSpec().getType())) |
Jian Li | 004526d | 2019-02-25 16:26:27 +0900 | [diff] [blame] | 283 | .forEach(s -> setStatefulGroupFlowRules(deviceId, ctTrackNew, |
| 284 | ctMaskTrackNew, s, install)); |
Jian Li | 2cc2b63 | 2019-02-18 00:56:40 +0900 | [diff] [blame] | 285 | } |
| 286 | |
Jian Li | 004526d | 2019-02-25 16:26:27 +0900 | [diff] [blame] | 287 | private void setStatelessServiceNatRules(DeviceId deviceId, boolean install) { |
| 288 | |
Jian Li | 140d8a2 | 2019-04-24 23:41:44 +0900 | [diff] [blame] | 289 | String srcPodCidr = k8sNetworkService.network( |
Jian Li | 7d111d7 | 2019-04-12 13:58:44 +0900 | [diff] [blame] | 290 | k8sNodeService.node(deviceId).hostname()).cidr(); |
Jian Li | 140d8a2 | 2019-04-24 23:41:44 +0900 | [diff] [blame] | 291 | String srcPodPrefix = getBclassIpPrefixFromCidr(srcPodCidr); |
| 292 | String fullSrcPodCidr = srcPodPrefix + B_CLASS_SUFFIX; |
| 293 | String fullSrcNodeCidr = NODE_IP_PREFIX + A_CLASS_SUFFIX; |
| 294 | |
| 295 | // src: POD -> dst: service (unNAT POD) grouping |
| 296 | setSrcDstCidrRules(deviceId, fullSrcPodCidr, serviceCidr, B_CLASS, null, |
Jian Li | 73d3b6a | 2019-07-08 18:07:53 +0900 | [diff] [blame] | 297 | SHIFTED_IP_PREFIX, SRC, GROUPING_TABLE, SERVICE_TABLE, |
Jian Li | 140d8a2 | 2019-04-24 23:41:44 +0900 | [diff] [blame] | 298 | PRIORITY_CT_RULE, install); |
| 299 | // src: POD (unNAT service) -> dst: shifted POD grouping |
| 300 | setSrcDstCidrRules(deviceId, fullSrcPodCidr, SHIFTED_IP_CIDR, B_CLASS, null, |
Jian Li | 73d3b6a | 2019-07-08 18:07:53 +0900 | [diff] [blame] | 301 | srcPodPrefix, DST, GROUPING_TABLE, POD_TABLE, PRIORITY_CT_RULE, install); |
Jian Li | 140d8a2 | 2019-04-24 23:41:44 +0900 | [diff] [blame] | 302 | |
| 303 | // src: node -> dst: service (unNAT POD) grouping |
| 304 | setSrcDstCidrRules(deviceId, fullSrcNodeCidr, serviceCidr, A_CLASS, |
Jian Li | 73d3b6a | 2019-07-08 18:07:53 +0900 | [diff] [blame] | 305 | null, null, null, GROUPING_TABLE, SERVICE_TABLE, |
Jian Li | 140d8a2 | 2019-04-24 23:41:44 +0900 | [diff] [blame] | 306 | PRIORITY_CT_RULE, install); |
| 307 | // src: POD (unNAT service) -> dst: node grouping |
| 308 | setSrcDstCidrRules(deviceId, fullSrcPodCidr, fullSrcNodeCidr, A_CLASS, |
Jian Li | 73d3b6a | 2019-07-08 18:07:53 +0900 | [diff] [blame] | 309 | null, null, null, GROUPING_TABLE, POD_TABLE, |
Jian Li | 140d8a2 | 2019-04-24 23:41:44 +0900 | [diff] [blame] | 310 | PRIORITY_CT_RULE, install); |
Jian Li | 7d111d7 | 2019-04-12 13:58:44 +0900 | [diff] [blame] | 311 | |
Jian Li | 004526d | 2019-02-25 16:26:27 +0900 | [diff] [blame] | 312 | k8sNetworkService.networks().forEach(n -> { |
Jian Li | 140d8a2 | 2019-04-24 23:41:44 +0900 | [diff] [blame] | 313 | setSrcDstCidrRules(deviceId, fullSrcPodCidr, n.cidr(), B_CLASS, |
| 314 | n.segmentId(), null, null, ROUTING_TABLE, |
Jian Li | 73d3b6a | 2019-07-08 18:07:53 +0900 | [diff] [blame] | 315 | STAT_EGRESS_TABLE, PRIORITY_INTER_ROUTING_RULE, install); |
Jian Li | 004526d | 2019-02-25 16:26:27 +0900 | [diff] [blame] | 316 | }); |
| 317 | |
| 318 | // setup load balancing rules using group table |
| 319 | k8sServiceService.services().stream() |
| 320 | .filter(s -> CLUSTER_IP.equals(s.getSpec().getType())) |
| 321 | .forEach(s -> setStatelessGroupFlowRules(deviceId, s, install)); |
| 322 | } |
| 323 | |
| 324 | private void setSrcDstCidrRules(DeviceId deviceId, String srcCidr, |
Jian Li | 140d8a2 | 2019-04-24 23:41:44 +0900 | [diff] [blame] | 325 | String dstCidr, String cidrClass, |
| 326 | String segId, String shiftPrefix, |
| 327 | String shiftType, int installTable, |
| 328 | int transitTable, int priority, |
| 329 | boolean install) { |
Jian Li | 004526d | 2019-02-25 16:26:27 +0900 | [diff] [blame] | 330 | TrafficSelector selector = DefaultTrafficSelector.builder() |
| 331 | .matchEthType(Ethernet.TYPE_IPV4) |
| 332 | .matchIPSrc(IpPrefix.valueOf(srcCidr)) |
| 333 | .matchIPDst(IpPrefix.valueOf(dstCidr)) |
| 334 | .build(); |
| 335 | |
Jian Li | 7d111d7 | 2019-04-12 13:58:44 +0900 | [diff] [blame] | 336 | TrafficTreatment.Builder tBuilder = DefaultTrafficTreatment.builder(); |
| 337 | |
| 338 | if (segId != null) { |
| 339 | tBuilder.setTunnelId(Long.valueOf(segId)); |
| 340 | } |
Jian Li | 140d8a2 | 2019-04-24 23:41:44 +0900 | [diff] [blame] | 341 | |
| 342 | if (shiftPrefix != null && shiftType != null) { |
| 343 | ExtensionTreatment loadTreatment = buildLoadExtension( |
| 344 | deviceService.getDevice(deviceId), cidrClass, shiftType, shiftPrefix); |
| 345 | tBuilder.extension(loadTreatment, deviceId); |
| 346 | } |
| 347 | |
Jian Li | 7d111d7 | 2019-04-12 13:58:44 +0900 | [diff] [blame] | 348 | tBuilder.transition(transitTable); |
Jian Li | 004526d | 2019-02-25 16:26:27 +0900 | [diff] [blame] | 349 | |
| 350 | k8sFlowRuleService.setRule( |
| 351 | appId, |
| 352 | deviceId, |
| 353 | selector, |
Jian Li | 7d111d7 | 2019-04-12 13:58:44 +0900 | [diff] [blame] | 354 | tBuilder.build(), |
Jian Li | 004526d | 2019-02-25 16:26:27 +0900 | [diff] [blame] | 355 | priority, |
| 356 | installTable, |
| 357 | install); |
| 358 | } |
| 359 | |
Jian Li | 5e8a22a | 2019-02-27 11:48:42 +0900 | [diff] [blame] | 360 | /** |
| 361 | * Obtains the service port to endpoint address paired map. |
| 362 | * |
| 363 | * @param service kubernetes service |
| 364 | * @return a map where key is kubernetes service port, and value is the |
| 365 | * endpoint addresses that are associated with the service port |
| 366 | */ |
| 367 | private Map<ServicePort, Set<String>> getSportEpAddressMap(Service service) { |
| 368 | |
| 369 | Map<ServicePort, Set<String>> map = Maps.newConcurrentMap(); |
Jian Li | 004526d | 2019-02-25 16:26:27 +0900 | [diff] [blame] | 370 | |
| 371 | String serviceName = service.getMetadata().getName(); |
Jian Li | 004526d | 2019-02-25 16:26:27 +0900 | [diff] [blame] | 372 | List<Endpoints> endpointses = k8sEndpointsService.endpointses() |
| 373 | .stream() |
| 374 | .filter(ep -> serviceName.equals(ep.getMetadata().getName())) |
| 375 | .collect(Collectors.toList()); |
| 376 | |
Jian Li | 5e8a22a | 2019-02-27 11:48:42 +0900 | [diff] [blame] | 377 | service.getSpec().getPorts().stream() |
| 378 | .filter(Objects::nonNull) |
| 379 | .filter(sp -> sp.getTargetPort() != null) |
Jian Li | b7dfb5b | 2019-07-15 17:37:12 +0900 | [diff] [blame] | 380 | .filter(sp -> sp.getTargetPort().getIntVal() != null || |
Jian Li | e1a5b8f | 2019-07-23 17:13:19 +0900 | [diff] [blame] | 381 | sp.getTargetPort().getStrVal() != null) |
Jian Li | 5e8a22a | 2019-02-27 11:48:42 +0900 | [diff] [blame] | 382 | .forEach(sp -> { |
Jian Li | e1a5b8f | 2019-07-23 17:13:19 +0900 | [diff] [blame] | 383 | Integer targetPortInt = sp.getTargetPort().getIntVal() != null ? |
| 384 | sp.getTargetPort().getIntVal() : 0; |
| 385 | String targetPortName = sp.getTargetPort().getStrVal() != null ? |
| 386 | sp.getTargetPort().getStrVal() : ""; |
| 387 | String targetProtocol = sp.getProtocol(); |
Jian Li | 004526d | 2019-02-25 16:26:27 +0900 | [diff] [blame] | 388 | |
Jian Li | e1a5b8f | 2019-07-23 17:13:19 +0900 | [diff] [blame] | 389 | for (Endpoints endpoints : endpointses) { |
| 390 | for (EndpointSubset endpointSubset : endpoints.getSubsets()) { |
| 391 | |
| 392 | // in case service port name is specified but not port number |
| 393 | // we will lookup the container port number and use it |
| 394 | // as the target port number |
| 395 | if (!targetPortName.equals("") && targetPortInt == 0) { |
| 396 | for (EndpointAddress addr : endpointSubset.getAddresses()) { |
| 397 | Pod pod = podByIp(k8sPodService, addr.getIp()); |
| 398 | targetPortInt = portNumberByName(pod, targetPortName); |
| 399 | } |
| 400 | } |
| 401 | |
Jian Li | a5c80c6 | 2019-08-30 17:57:53 +0900 | [diff] [blame] | 402 | if (targetPortInt == 0) { |
| 403 | continue; |
| 404 | } |
| 405 | |
Jian Li | e1a5b8f | 2019-07-23 17:13:19 +0900 | [diff] [blame] | 406 | for (EndpointPort endpointPort : endpointSubset.getPorts()) { |
| 407 | if (targetProtocol.equals(endpointPort.getProtocol()) && |
| 408 | (targetPortInt.equals(endpointPort.getPort()) || |
| 409 | targetPortName.equals(endpointPort.getName()))) { |
| 410 | Set<String> addresses = endpointSubset.getAddresses() |
| 411 | .stream().map(EndpointAddress::getIp) |
| 412 | .collect(Collectors.toSet()); |
| 413 | map.put(sp, addresses); |
| 414 | } |
| 415 | } |
Jian Li | 004526d | 2019-02-25 16:26:27 +0900 | [diff] [blame] | 416 | } |
Jian Li | 5e8a22a | 2019-02-27 11:48:42 +0900 | [diff] [blame] | 417 | } |
Jian Li | e1a5b8f | 2019-07-23 17:13:19 +0900 | [diff] [blame] | 418 | }); |
Jian Li | 004526d | 2019-02-25 16:26:27 +0900 | [diff] [blame] | 419 | |
Jian Li | 5e8a22a | 2019-02-27 11:48:42 +0900 | [diff] [blame] | 420 | return map; |
| 421 | } |
| 422 | |
Jian Li | bf562c2 | 2019-04-15 18:07:14 +0900 | [diff] [blame] | 423 | private void setGroupBuckets(Service service, boolean install) { |
Jian Li | 4a7ce67 | 2019-04-09 15:20:25 +0900 | [diff] [blame] | 424 | Map<ServicePort, Set<String>> spEpasMap = getSportEpAddressMap(service); |
| 425 | Map<ServicePort, List<GroupBucket>> spGrpBkts = Maps.newConcurrentMap(); |
Jian Li | 7b63fe6 | 2019-04-14 21:49:27 +0900 | [diff] [blame] | 426 | Map<String, String> nodeIpGatewayIpMap = |
| 427 | nodeIpGatewayIpMap(k8sNodeService, k8sNetworkService); |
Jian Li | 4a7ce67 | 2019-04-09 15:20:25 +0900 | [diff] [blame] | 428 | |
Jian Li | bf562c2 | 2019-04-15 18:07:14 +0900 | [diff] [blame] | 429 | for (K8sNode node : k8sNodeService.completeNodes()) { |
| 430 | spEpasMap.forEach((sp, epas) -> { |
| 431 | List<GroupBucket> bkts = Lists.newArrayList(); |
Jian Li | 4a7ce67 | 2019-04-09 15:20:25 +0900 | [diff] [blame] | 432 | |
Jian Li | bf562c2 | 2019-04-15 18:07:14 +0900 | [diff] [blame] | 433 | for (String ip : epas) { |
Jian Li | a5c80c6 | 2019-08-30 17:57:53 +0900 | [diff] [blame] | 434 | GroupBucket bkt = buildBuckets(node.intgBridge(), |
| 435 | nodeIpGatewayIpMap.getOrDefault(ip, ip), sp); |
| 436 | |
| 437 | if (bkt == null) { |
| 438 | continue; |
| 439 | } |
| 440 | |
Jian Li | bf562c2 | 2019-04-15 18:07:14 +0900 | [diff] [blame] | 441 | if (install) { |
Jian Li | a5c80c6 | 2019-08-30 17:57:53 +0900 | [diff] [blame] | 442 | bkts.add(bkt); |
Jian Li | bf562c2 | 2019-04-15 18:07:14 +0900 | [diff] [blame] | 443 | } else { |
Jian Li | a5c80c6 | 2019-08-30 17:57:53 +0900 | [diff] [blame] | 444 | bkts.remove(bkt); |
Jian Li | 7b63fe6 | 2019-04-14 21:49:27 +0900 | [diff] [blame] | 445 | } |
Jian Li | bf562c2 | 2019-04-15 18:07:14 +0900 | [diff] [blame] | 446 | } |
| 447 | |
| 448 | spGrpBkts.put(sp, bkts); |
| 449 | }); |
| 450 | |
| 451 | String serviceIp = service.getSpec().getClusterIP(); |
| 452 | spGrpBkts.forEach((sp, bkts) -> { |
| 453 | String svcStr = servicePortStr(serviceIp, sp.getPort(), sp.getProtocol()); |
| 454 | int groupId = svcStr.hashCode(); |
| 455 | |
| 456 | if (bkts.size() > 0) { |
| 457 | k8sGroupRuleService.setBuckets(appId, node.intgBridge(), groupId, bkts); |
| 458 | } |
| 459 | }); |
| 460 | |
| 461 | spEpasMap.forEach((sp, epas) -> |
Jian Li | e1a5b8f | 2019-07-23 17:13:19 +0900 | [diff] [blame] | 462 | // add flow rules for unshifting IP domain |
| 463 | epas.forEach(epa -> { |
Jian Li | b7dfb5b | 2019-07-15 17:37:12 +0900 | [diff] [blame] | 464 | |
Jian Li | e1a5b8f | 2019-07-23 17:13:19 +0900 | [diff] [blame] | 465 | String podIp = nodeIpGatewayIpMap.getOrDefault(epa, epa); |
| 466 | |
| 467 | int targetPort; |
| 468 | if (sp.getTargetPort().getIntVal() == null) { |
| 469 | Pod pod = podByIp(k8sPodService, podIp); |
| 470 | targetPort = portNumberByName(pod, sp.getTargetPort().getStrVal()); |
| 471 | } else { |
| 472 | targetPort = sp.getTargetPort().getIntVal(); |
| 473 | } |
| 474 | |
Jian Li | a5c80c6 | 2019-08-30 17:57:53 +0900 | [diff] [blame] | 475 | if (targetPort != 0) { |
| 476 | setUnshiftDomainRules(node.intgBridge(), POD_TABLE, |
| 477 | PRIORITY_NAT_RULE, serviceIp, sp.getPort(), |
| 478 | sp.getProtocol(), podIp, |
| 479 | targetPort, install); |
| 480 | } |
Jian Li | e1a5b8f | 2019-07-23 17:13:19 +0900 | [diff] [blame] | 481 | }) |
Jian Li | bf562c2 | 2019-04-15 18:07:14 +0900 | [diff] [blame] | 482 | ); |
| 483 | } |
Jian Li | 4a7ce67 | 2019-04-09 15:20:25 +0900 | [diff] [blame] | 484 | } |
| 485 | |
Jian Li | b7dfb5b | 2019-07-15 17:37:12 +0900 | [diff] [blame] | 486 | private GroupBucket buildBuckets(DeviceId deviceId, String podIpStr, ServicePort sp) { |
Jian Li | 4a7ce67 | 2019-04-09 15:20:25 +0900 | [diff] [blame] | 487 | TrafficTreatment.Builder tBuilder = DefaultTrafficTreatment.builder() |
Jian Li | 7d111d7 | 2019-04-12 13:58:44 +0900 | [diff] [blame] | 488 | .setIpDst(IpAddress.valueOf(podIpStr)); |
Jian Li | 4a7ce67 | 2019-04-09 15:20:25 +0900 | [diff] [blame] | 489 | |
Jian Li | e1a5b8f | 2019-07-23 17:13:19 +0900 | [diff] [blame] | 490 | int targetPort; |
| 491 | if (sp.getTargetPort().getIntVal() == null) { |
| 492 | Pod pod = podByIp(k8sPodService, podIpStr); |
| 493 | targetPort = portNumberByName(pod, sp.getTargetPort().getStrVal()); |
| 494 | } else { |
| 495 | targetPort = sp.getTargetPort().getIntVal(); |
| 496 | } |
Jian Li | b7dfb5b | 2019-07-15 17:37:12 +0900 | [diff] [blame] | 497 | |
Jian Li | a5c80c6 | 2019-08-30 17:57:53 +0900 | [diff] [blame] | 498 | if (targetPort == 0) { |
| 499 | return null; |
| 500 | } |
| 501 | |
Jian Li | 4a7ce67 | 2019-04-09 15:20:25 +0900 | [diff] [blame] | 502 | if (TCP.equals(sp.getProtocol())) { |
Jian Li | b7dfb5b | 2019-07-15 17:37:12 +0900 | [diff] [blame] | 503 | tBuilder.setTcpDst(TpPort.tpPort(targetPort)); |
Jian Li | 4a7ce67 | 2019-04-09 15:20:25 +0900 | [diff] [blame] | 504 | } else if (UDP.equals(sp.getProtocol())) { |
Jian Li | b7dfb5b | 2019-07-15 17:37:12 +0900 | [diff] [blame] | 505 | tBuilder.setUdpDst(TpPort.tpPort(targetPort)); |
Jian Li | 4a7ce67 | 2019-04-09 15:20:25 +0900 | [diff] [blame] | 506 | } |
| 507 | |
Jian Li | 7d111d7 | 2019-04-12 13:58:44 +0900 | [diff] [blame] | 508 | ExtensionTreatment resubmitTreatment = buildResubmitExtension( |
Jian Li | 73d3b6a | 2019-07-08 18:07:53 +0900 | [diff] [blame] | 509 | deviceService.getDevice(deviceId), ACL_TABLE); |
Jian Li | 7d111d7 | 2019-04-12 13:58:44 +0900 | [diff] [blame] | 510 | tBuilder.extension(resubmitTreatment, deviceId); |
| 511 | |
Jian Li | a5c80c6 | 2019-08-30 17:57:53 +0900 | [diff] [blame] | 512 | // TODO: need to adjust group bucket weight by considering POD locality |
Jian Li | bf562c2 | 2019-04-15 18:07:14 +0900 | [diff] [blame] | 513 | return buildGroupBucket(tBuilder.build(), SELECT, (short) -1); |
Jian Li | 4a7ce67 | 2019-04-09 15:20:25 +0900 | [diff] [blame] | 514 | } |
| 515 | |
| 516 | private synchronized void setStatelessGroupFlowRules(DeviceId deviceId, |
| 517 | Service service, |
| 518 | boolean install) { |
Jian Li | 7b63fe6 | 2019-04-14 21:49:27 +0900 | [diff] [blame] | 519 | Set<ServicePort> sps = service.getSpec().getPorts().stream() |
| 520 | .filter(Objects::nonNull) |
| 521 | .filter(sp -> sp.getTargetPort() != null) |
Jian Li | b7dfb5b | 2019-07-15 17:37:12 +0900 | [diff] [blame] | 522 | .filter(sp -> sp.getTargetPort().getIntVal() != null || |
Jian Li | e1a5b8f | 2019-07-23 17:13:19 +0900 | [diff] [blame] | 523 | sp.getTargetPort().getStrVal() != null) |
Jian Li | 7b63fe6 | 2019-04-14 21:49:27 +0900 | [diff] [blame] | 524 | .collect(Collectors.toSet()); |
Jian Li | 5e8a22a | 2019-02-27 11:48:42 +0900 | [diff] [blame] | 525 | |
| 526 | String serviceIp = service.getSpec().getClusterIP(); |
Jian Li | 7b63fe6 | 2019-04-14 21:49:27 +0900 | [diff] [blame] | 527 | sps.forEach(sp -> { |
Jian Li | 5e8a22a | 2019-02-27 11:48:42 +0900 | [diff] [blame] | 528 | String svcStr = servicePortStr(serviceIp, sp.getPort(), sp.getProtocol()); |
Jian Li | 4a7ce67 | 2019-04-09 15:20:25 +0900 | [diff] [blame] | 529 | int groupId = svcStr.hashCode(); |
Jian Li | 5e8a22a | 2019-02-27 11:48:42 +0900 | [diff] [blame] | 530 | |
Jian Li | 4a7ce67 | 2019-04-09 15:20:25 +0900 | [diff] [blame] | 531 | if (install) { |
| 532 | |
| 533 | // add group table rules |
| 534 | k8sGroupRuleService.setRule(appId, deviceId, groupId, |
Jian Li | 7b63fe6 | 2019-04-14 21:49:27 +0900 | [diff] [blame] | 535 | SELECT, Lists.newArrayList(), true); |
Jian Li | 4a7ce67 | 2019-04-09 15:20:25 +0900 | [diff] [blame] | 536 | |
| 537 | log.info("Adding group rule {}", groupId); |
| 538 | |
| 539 | // if we failed to add group rule, we will not install flow rules |
| 540 | // as this might cause rule inconsistency |
| 541 | if (k8sGroupRuleService.hasGroup(deviceId, groupId)) { |
| 542 | // add flow rules for shifting IP domain |
| 543 | setShiftDomainRules(deviceId, SERVICE_TABLE, groupId, |
| 544 | PRIORITY_NAT_RULE, serviceIp, sp.getPort(), |
| 545 | sp.getProtocol(), true); |
| 546 | } |
Jian Li | 5e8a22a | 2019-02-27 11:48:42 +0900 | [diff] [blame] | 547 | } else { |
Jian Li | 4a7ce67 | 2019-04-09 15:20:25 +0900 | [diff] [blame] | 548 | // remove flow rules for shifting IP domain |
| 549 | setShiftDomainRules(deviceId, SERVICE_TABLE, groupId, |
| 550 | PRIORITY_NAT_RULE, serviceIp, sp.getPort(), |
| 551 | sp.getProtocol(), false); |
| 552 | |
| 553 | // remove group table rules |
| 554 | k8sGroupRuleService.setRule(appId, deviceId, groupId, |
Jian Li | 7b63fe6 | 2019-04-14 21:49:27 +0900 | [diff] [blame] | 555 | SELECT, Lists.newArrayList(), false); |
Jian Li | 4a7ce67 | 2019-04-09 15:20:25 +0900 | [diff] [blame] | 556 | |
| 557 | log.info("Removing group rule {}", groupId); |
Jian Li | 5e8a22a | 2019-02-27 11:48:42 +0900 | [diff] [blame] | 558 | } |
Jian Li | 5e8a22a | 2019-02-27 11:48:42 +0900 | [diff] [blame] | 559 | }); |
Jian Li | 004526d | 2019-02-25 16:26:27 +0900 | [diff] [blame] | 560 | } |
| 561 | |
| 562 | private void setShiftDomainRules(DeviceId deviceId, int installTable, |
Jian Li | 5e8a22a | 2019-02-27 11:48:42 +0900 | [diff] [blame] | 563 | int groupId, int priority, String serviceIp, |
| 564 | int servicePort, String protocol, boolean install) { |
Jian Li | 44c2b12 | 2019-05-03 14:46:34 +0900 | [diff] [blame] | 565 | |
| 566 | if (serviceIp == null || NONE.equals(serviceIp)) { |
| 567 | return; |
| 568 | } |
| 569 | |
Jian Li | 5e8a22a | 2019-02-27 11:48:42 +0900 | [diff] [blame] | 570 | TrafficSelector.Builder sBuilder = DefaultTrafficSelector.builder() |
Jian Li | 004526d | 2019-02-25 16:26:27 +0900 | [diff] [blame] | 571 | .matchEthType(Ethernet.TYPE_IPV4) |
Jian Li | 5e8a22a | 2019-02-27 11:48:42 +0900 | [diff] [blame] | 572 | .matchIPDst(IpPrefix.valueOf(IpAddress.valueOf(serviceIp), HOST_CIDR_NUM)); |
| 573 | |
| 574 | if (TCP.equals(protocol)) { |
| 575 | sBuilder.matchIPProtocol(IPv4.PROTOCOL_TCP) |
| 576 | .matchTcpDst(TpPort.tpPort(servicePort)); |
| 577 | } else if (UDP.equals(protocol)) { |
| 578 | sBuilder.matchIPProtocol(IPv4.PROTOCOL_UDP) |
| 579 | .matchUdpDst(TpPort.tpPort(servicePort)); |
| 580 | } |
Jian Li | 004526d | 2019-02-25 16:26:27 +0900 | [diff] [blame] | 581 | |
Jian Li | 004526d | 2019-02-25 16:26:27 +0900 | [diff] [blame] | 582 | TrafficTreatment treatment = DefaultTrafficTreatment.builder() |
Jian Li | 004526d | 2019-02-25 16:26:27 +0900 | [diff] [blame] | 583 | .group(GroupId.valueOf(groupId)) |
| 584 | .build(); |
| 585 | |
| 586 | k8sFlowRuleService.setRule( |
| 587 | appId, |
| 588 | deviceId, |
Jian Li | 5e8a22a | 2019-02-27 11:48:42 +0900 | [diff] [blame] | 589 | sBuilder.build(), |
Jian Li | 004526d | 2019-02-25 16:26:27 +0900 | [diff] [blame] | 590 | treatment, |
| 591 | priority, |
| 592 | installTable, |
| 593 | install); |
| 594 | } |
| 595 | |
| 596 | private void setUnshiftDomainRules(DeviceId deviceId, int installTable, |
Jian Li | 5e8a22a | 2019-02-27 11:48:42 +0900 | [diff] [blame] | 597 | int priority, String serviceIp, |
| 598 | int servicePort, String protocol, |
| 599 | String podIp, int podPort, boolean install) { |
| 600 | TrafficSelector.Builder sBuilder = DefaultTrafficSelector.builder() |
Jian Li | 004526d | 2019-02-25 16:26:27 +0900 | [diff] [blame] | 601 | .matchEthType(Ethernet.TYPE_IPV4) |
Jian Li | 5e8a22a | 2019-02-27 11:48:42 +0900 | [diff] [blame] | 602 | .matchIPSrc(IpPrefix.valueOf(IpAddress.valueOf(podIp), HOST_CIDR_NUM)); |
| 603 | |
| 604 | if (TCP.equals(protocol)) { |
| 605 | sBuilder.matchIPProtocol(IPv4.PROTOCOL_TCP) |
| 606 | .matchTcpSrc(TpPort.tpPort(podPort)); |
| 607 | } else if (UDP.equals(protocol)) { |
| 608 | sBuilder.matchIPProtocol(IPv4.PROTOCOL_UDP) |
| 609 | .matchUdpSrc(TpPort.tpPort(podPort)); |
| 610 | } |
| 611 | |
Jian Li | 5e8a22a | 2019-02-27 11:48:42 +0900 | [diff] [blame] | 612 | TrafficTreatment.Builder tBuilder = DefaultTrafficTreatment.builder() |
Jian Li | 004526d | 2019-02-25 16:26:27 +0900 | [diff] [blame] | 613 | .setIpSrc(IpAddress.valueOf(serviceIp)) |
Jian Li | 73d3b6a | 2019-07-08 18:07:53 +0900 | [diff] [blame] | 614 | .transition(ACL_TABLE); |
Jian Li | 5e8a22a | 2019-02-27 11:48:42 +0900 | [diff] [blame] | 615 | |
| 616 | if (TCP.equals(protocol)) { |
| 617 | tBuilder.setTcpSrc(TpPort.tpPort(servicePort)); |
| 618 | } else if (UDP.equals(protocol)) { |
| 619 | tBuilder.setUdpSrc(TpPort.tpPort(servicePort)); |
| 620 | } |
Jian Li | 004526d | 2019-02-25 16:26:27 +0900 | [diff] [blame] | 621 | |
| 622 | k8sFlowRuleService.setRule( |
| 623 | appId, |
| 624 | deviceId, |
Jian Li | 5e8a22a | 2019-02-27 11:48:42 +0900 | [diff] [blame] | 625 | sBuilder.build(), |
| 626 | tBuilder.build(), |
Jian Li | 004526d | 2019-02-25 16:26:27 +0900 | [diff] [blame] | 627 | priority, |
| 628 | installTable, |
| 629 | install); |
| 630 | } |
| 631 | |
Jian Li | f5da78a | 2019-04-15 01:52:23 +0900 | [diff] [blame] | 632 | private void setCidrRoutingRule(IpPrefix prefix, MacAddress mac, |
| 633 | K8sNetwork network, boolean install) { |
| 634 | TrafficSelector.Builder sBuilder = DefaultTrafficSelector.builder() |
| 635 | .matchEthType(Ethernet.TYPE_IPV4) |
| 636 | .matchIPSrc(prefix) |
| 637 | .matchIPDst(IpPrefix.valueOf(network.cidr())); |
| 638 | |
| 639 | k8sNodeService.completeNodes().forEach(n -> { |
| 640 | TrafficTreatment.Builder tBuilder = DefaultTrafficTreatment.builder() |
| 641 | .setTunnelId(Long.valueOf(network.segmentId())); |
| 642 | |
| 643 | if (n.hostname().equals(network.name())) { |
| 644 | if (mac != null) { |
| 645 | tBuilder.setEthSrc(mac); |
| 646 | } |
Jian Li | 73d3b6a | 2019-07-08 18:07:53 +0900 | [diff] [blame] | 647 | tBuilder.transition(STAT_EGRESS_TABLE); |
Jian Li | f5da78a | 2019-04-15 01:52:23 +0900 | [diff] [blame] | 648 | } else { |
Jian Li | f5da78a | 2019-04-15 01:52:23 +0900 | [diff] [blame] | 649 | K8sNode localNode = k8sNodeService.node(network.name()); |
| 650 | |
Jian Li | 1ecfbb7 | 2020-09-02 14:45:35 +0900 | [diff] [blame] | 651 | tBuilder.setOutput(n.intgToTunPortNum()); |
| 652 | |
| 653 | PortNumber portNum = tunnelPortNumByNetId(network.networkId(), |
| 654 | k8sNetworkService, n); |
| 655 | |
| 656 | // install rules into tunnel bridge |
| 657 | TrafficTreatment treatmentToRemote = DefaultTrafficTreatment.builder() |
| 658 | .extension(buildExtension( |
| 659 | deviceService, |
| 660 | n.tunBridge(), |
| 661 | localNode.dataIp().getIp4Address()), |
| 662 | n.tunBridge()) |
| 663 | .setTunnelId(Long.valueOf(network.segmentId())) |
| 664 | .setOutput(portNum) |
| 665 | .build(); |
| 666 | |
| 667 | k8sFlowRuleService.setRule( |
| 668 | appId, |
| 669 | n.tunBridge(), |
| 670 | sBuilder.build(), |
| 671 | treatmentToRemote, |
| 672 | PRIORITY_CIDR_RULE, |
| 673 | TUN_ENTRY_TABLE, |
| 674 | install |
| 675 | ); |
Jian Li | f5da78a | 2019-04-15 01:52:23 +0900 | [diff] [blame] | 676 | } |
| 677 | |
| 678 | k8sFlowRuleService.setRule( |
| 679 | appId, |
| 680 | n.intgBridge(), |
| 681 | sBuilder.build(), |
| 682 | tBuilder.build(), |
| 683 | PRIORITY_CIDR_RULE, |
| 684 | ROUTING_TABLE, |
| 685 | install |
| 686 | ); |
| 687 | }); |
| 688 | } |
| 689 | |
| 690 | private void setupServiceDefaultRule(K8sNetwork k8sNetwork, boolean install) { |
| 691 | setCidrRoutingRule(IpPrefix.valueOf(serviceCidr), |
| 692 | MacAddress.valueOf(SERVICE_FAKE_MAC_STR), k8sNetwork, install); |
| 693 | } |
| 694 | |
Jian Li | 004526d | 2019-02-25 16:26:27 +0900 | [diff] [blame] | 695 | private void setStatefulGroupFlowRules(DeviceId deviceId, long ctState, |
| 696 | long ctMask, Service service, |
| 697 | boolean install) { |
Jian Li | 2cc2b63 | 2019-02-18 00:56:40 +0900 | [diff] [blame] | 698 | List<GroupBucket> buckets = Lists.newArrayList(); |
| 699 | |
| 700 | String serviceName = service.getMetadata().getName(); |
| 701 | String serviceIp = service.getSpec().getClusterIP(); |
| 702 | |
| 703 | // TODO: multi-ports case should be addressed |
| 704 | Integer servicePort = service.getSpec().getPorts().get(0).getPort(); |
Jian Li | bf562c2 | 2019-04-15 18:07:14 +0900 | [diff] [blame] | 705 | String serviceProtocol = service.getSpec().getPorts().get(0).getProtocol(); |
| 706 | |
| 707 | String svcStr = servicePortStr(serviceIp, servicePort, serviceProtocol); |
| 708 | int groupId = svcStr.hashCode(); |
Jian Li | 2cc2b63 | 2019-02-18 00:56:40 +0900 | [diff] [blame] | 709 | |
| 710 | List<Endpoints> endpointses = k8sEndpointsService.endpointses() |
| 711 | .stream() |
| 712 | .filter(ep -> serviceName.equals(ep.getMetadata().getName())) |
| 713 | .collect(Collectors.toList()); |
| 714 | |
| 715 | Map<String, String> nodeIpGatewayIpMap = |
| 716 | nodeIpGatewayIpMap(k8sNodeService, k8sNetworkService); |
| 717 | |
| 718 | for (Endpoints endpoints : endpointses) { |
| 719 | for (EndpointSubset endpointSubset : endpoints.getSubsets()) { |
| 720 | List<EndpointPort> ports = endpointSubset.getPorts() |
| 721 | .stream() |
| 722 | .filter(p -> p.getProtocol().equals(TCP)) |
| 723 | .collect(Collectors.toList()); |
| 724 | |
| 725 | for (EndpointAddress address : endpointSubset.getAddresses()) { |
| 726 | String podIp = nodeIpGatewayIpMap.containsKey(address.getIp()) ? |
| 727 | nodeIpGatewayIpMap.get(address.getIp()) : address.getIp(); |
| 728 | |
| 729 | NiciraConnTrackTreatmentBuilder connTreatmentBuilder = |
| 730 | niciraConnTrackTreatmentBuilder(driverService, deviceId) |
| 731 | .commit(true) |
| 732 | .natAction(true) |
| 733 | .natIp(IpAddress.valueOf(podIp)) |
| 734 | .natFlag(CT_NAT_DST_FLAG); |
| 735 | |
| 736 | ports.forEach(p -> { |
| 737 | ExtensionTreatment ctNatTreatment = connTreatmentBuilder |
Jian Li | eb488ea | 2019-04-16 01:50:02 +0900 | [diff] [blame] | 738 | .natPortMin(TpPort.tpPort(p.getPort())) |
| 739 | .natPortMax(TpPort.tpPort(p.getPort())) |
| 740 | .build(); |
Jian Li | 2cc2b63 | 2019-02-18 00:56:40 +0900 | [diff] [blame] | 741 | ExtensionTreatment resubmitTreatment = buildResubmitExtension( |
Jian Li | 73d3b6a | 2019-07-08 18:07:53 +0900 | [diff] [blame] | 742 | deviceService.getDevice(deviceId), ACL_TABLE); |
Jian Li | 2cc2b63 | 2019-02-18 00:56:40 +0900 | [diff] [blame] | 743 | TrafficTreatment treatment = DefaultTrafficTreatment.builder() |
| 744 | .extension(ctNatTreatment, deviceId) |
| 745 | .extension(resubmitTreatment, deviceId) |
| 746 | .build(); |
| 747 | buckets.add(buildGroupBucket(treatment, SELECT, (short) -1)); |
| 748 | }); |
| 749 | } |
| 750 | } |
| 751 | } |
| 752 | |
| 753 | if (!buckets.isEmpty()) { |
| 754 | k8sGroupRuleService.setRule(appId, deviceId, groupId, SELECT, buckets, install); |
| 755 | |
| 756 | setTrackNew(deviceId, ctState, ctMask, IpAddress.valueOf(serviceIp), |
| 757 | TpPort.tpPort(servicePort), NAT_TABLE, groupId, |
| 758 | PRIORITY_CT_RULE, install); |
| 759 | } |
| 760 | } |
| 761 | |
| 762 | private void setUntrack(DeviceId deviceId, long ctState, long ctMask, |
| 763 | String srcCidr, String dstCidr, int installTable, |
| 764 | int transitTable, int priority, boolean install) { |
| 765 | ExtensionSelector esCtSate = RulePopulatorUtil |
| 766 | .buildCtExtensionSelector(driverService, deviceId, ctState, ctMask); |
| 767 | TrafficSelector selector = DefaultTrafficSelector.builder() |
| 768 | .matchEthType(Ethernet.TYPE_IPV4) |
| 769 | .matchIPSrc(IpPrefix.valueOf(srcCidr)) |
| 770 | .matchIPDst(IpPrefix.valueOf(dstCidr)) |
| 771 | .extension(esCtSate, deviceId) |
| 772 | .build(); |
| 773 | |
| 774 | NiciraConnTrackTreatmentBuilder connTreatmentBuilder = |
| 775 | niciraConnTrackTreatmentBuilder(driverService, deviceId) |
| 776 | .natAction(false) |
| 777 | .commit(false) |
| 778 | .table((short) transitTable); |
| 779 | |
| 780 | TrafficTreatment treatment = DefaultTrafficTreatment.builder() |
| 781 | .extension(connTreatmentBuilder.build(), deviceId) |
| 782 | .build(); |
| 783 | |
| 784 | k8sFlowRuleService.setRule( |
| 785 | appId, |
| 786 | deviceId, |
| 787 | selector, |
| 788 | treatment, |
| 789 | priority, |
| 790 | installTable, |
| 791 | install); |
| 792 | } |
| 793 | |
| 794 | private void setTrackNew(DeviceId deviceId, long ctState, long ctMask, |
| 795 | IpAddress dstIp, TpPort dstPort, int installTable, |
| 796 | int groupId, int priority, boolean install) { |
| 797 | ExtensionSelector esCtSate = RulePopulatorUtil |
| 798 | .buildCtExtensionSelector(driverService, deviceId, ctState, ctMask); |
| 799 | TrafficSelector selector = DefaultTrafficSelector.builder() |
| 800 | .matchEthType(Ethernet.TYPE_IPV4) |
| 801 | .matchIPDst(IpPrefix.valueOf(dstIp, HOST_CIDR_NUM)) |
| 802 | .matchIPProtocol(IPv4.PROTOCOL_TCP) |
| 803 | .matchTcpDst(dstPort) |
| 804 | .extension(esCtSate, deviceId) |
| 805 | .build(); |
| 806 | TrafficTreatment treatment = DefaultTrafficTreatment.builder() |
| 807 | .group(GroupId.valueOf(groupId)) |
| 808 | .build(); |
| 809 | |
| 810 | k8sFlowRuleService.setRule( |
| 811 | appId, |
| 812 | deviceId, |
| 813 | selector, |
| 814 | treatment, |
| 815 | priority, |
| 816 | installTable, |
| 817 | install); |
| 818 | } |
| 819 | |
| 820 | private void setTrackEstablish(DeviceId deviceId, long ctState, long ctMask, |
| 821 | int installTable, int transitTable, |
| 822 | int priority, boolean install) { |
| 823 | ExtensionSelector esCtSate = RulePopulatorUtil |
| 824 | .buildCtExtensionSelector(driverService, deviceId, ctState, ctMask); |
| 825 | TrafficSelector selector = DefaultTrafficSelector.builder() |
| 826 | .extension(esCtSate, deviceId) |
| 827 | .build(); |
| 828 | |
| 829 | TrafficTreatment treatment = DefaultTrafficTreatment.builder() |
| 830 | .transition(transitTable) |
| 831 | .build(); |
| 832 | |
| 833 | k8sFlowRuleService.setRule( |
| 834 | appId, |
| 835 | deviceId, |
| 836 | selector, |
| 837 | treatment, |
| 838 | priority, |
| 839 | installTable, |
| 840 | install); |
| 841 | } |
| 842 | |
Jian Li | bf562c2 | 2019-04-15 18:07:14 +0900 | [diff] [blame] | 843 | private void setEndpointsRules(Endpoints endpoints, boolean install) { |
| 844 | String appName = endpoints.getMetadata().getName(); |
| 845 | Service service = k8sServiceService.services().stream().filter(s -> |
| 846 | appName.equals(s.getMetadata().getName())) |
| 847 | .findFirst().orElse(null); |
Jian Li | 7b63fe6 | 2019-04-14 21:49:27 +0900 | [diff] [blame] | 848 | |
Jian Li | bf562c2 | 2019-04-15 18:07:14 +0900 | [diff] [blame] | 849 | if (service == null) { |
| 850 | return; |
Jian Li | 7b63fe6 | 2019-04-14 21:49:27 +0900 | [diff] [blame] | 851 | } |
Jian Li | bf562c2 | 2019-04-15 18:07:14 +0900 | [diff] [blame] | 852 | |
| 853 | setGroupBuckets(service, install); |
Jian Li | 7b63fe6 | 2019-04-14 21:49:27 +0900 | [diff] [blame] | 854 | } |
| 855 | |
Jian Li | f5da78a | 2019-04-15 01:52:23 +0900 | [diff] [blame] | 856 | private String servicePortStr(String ip, int port, String protocol) { |
| 857 | return ip + "_" + port + "_" + protocol; |
| 858 | } |
| 859 | |
Jian Li | 004526d | 2019-02-25 16:26:27 +0900 | [diff] [blame] | 860 | /** |
| 861 | * Extracts properties from the component configuration context. |
| 862 | * |
| 863 | * @param context the component context |
| 864 | */ |
| 865 | private void readComponentConfiguration(ComponentContext context) { |
| 866 | Dictionary<?, ?> properties = context.getProperties(); |
| 867 | |
| 868 | String updatedNatMode = Tools.get(properties, SERVICE_IP_NAT_MODE); |
| 869 | serviceIpNatMode = updatedNatMode != null ? updatedNatMode : SERVICE_IP_NAT_MODE_DEFAULT; |
| 870 | log.info("Configured. Service IP NAT mode is {}", serviceIpNatMode); |
Jian Li | f5da78a | 2019-04-15 01:52:23 +0900 | [diff] [blame] | 871 | |
| 872 | String updatedServiceCidr = Tools.get(properties, SERVICE_CIDR); |
| 873 | serviceCidr = updatedServiceCidr != null ? |
| 874 | updatedServiceCidr : SERVICE_IP_CIDR_DEFAULT; |
| 875 | log.info("Configured. Service VIP range is {}", serviceCidr); |
Jian Li | 004526d | 2019-02-25 16:26:27 +0900 | [diff] [blame] | 876 | } |
| 877 | |
Jian Li | 4a7ce67 | 2019-04-09 15:20:25 +0900 | [diff] [blame] | 878 | private void setServiceNatRules(DeviceId deviceId, boolean install) { |
| 879 | if (NAT_STATEFUL.equals(serviceIpNatMode)) { |
| 880 | setStatefulServiceNatRules(deviceId, install); |
| 881 | } else if (NAT_STATELESS.equals(serviceIpNatMode)) { |
| 882 | setStatelessServiceNatRules(deviceId, install); |
| 883 | } else { |
| 884 | log.warn("Service IP NAT mode was not configured!"); |
| 885 | } |
| 886 | } |
| 887 | |
Jian Li | 2cc2b63 | 2019-02-18 00:56:40 +0900 | [diff] [blame] | 888 | private class InternalK8sServiceListener implements K8sServiceListener { |
| 889 | |
| 890 | private boolean isRelevantHelper() { |
| 891 | return Objects.equals(localNodeId, leadershipService.getLeader(appId.name())); |
| 892 | } |
| 893 | |
| 894 | @Override |
| 895 | public void event(K8sServiceEvent event) { |
| 896 | switch (event.type()) { |
| 897 | case K8S_SERVICE_CREATED: |
Jian Li | 4a7ce67 | 2019-04-09 15:20:25 +0900 | [diff] [blame] | 898 | case K8S_SERVICE_UPDATED: |
Jian Li | 2cc2b63 | 2019-02-18 00:56:40 +0900 | [diff] [blame] | 899 | eventExecutor.execute(() -> processServiceCreation(event.subject())); |
| 900 | break; |
| 901 | case K8S_SERVICE_REMOVED: |
| 902 | eventExecutor.execute(() -> processServiceRemoval(event.subject())); |
| 903 | break; |
| 904 | default: |
| 905 | // do nothing |
| 906 | break; |
| 907 | } |
| 908 | } |
| 909 | |
| 910 | private void processServiceCreation(Service service) { |
| 911 | if (!isRelevantHelper()) { |
| 912 | return; |
| 913 | } |
| 914 | |
Jian Li | 5e8a22a | 2019-02-27 11:48:42 +0900 | [diff] [blame] | 915 | if (NAT_STATEFUL.equals(serviceIpNatMode)) { |
| 916 | long ctTrackNew = computeCtStateFlag(true, true, false); |
| 917 | long ctMaskTrackNew = computeCtMaskFlag(true, true, false); |
Jian Li | 2cc2b63 | 2019-02-18 00:56:40 +0900 | [diff] [blame] | 918 | |
Jian Li | 5e8a22a | 2019-02-27 11:48:42 +0900 | [diff] [blame] | 919 | k8sNodeService.completeNodes().forEach(n -> |
| 920 | setStatefulGroupFlowRules(n.intgBridge(), ctTrackNew, |
| 921 | ctMaskTrackNew, service, true)); |
| 922 | } else if (NAT_STATELESS.equals(serviceIpNatMode)) { |
| 923 | k8sNodeService.completeNodes().forEach(n -> |
| 924 | setStatelessGroupFlowRules(n.intgBridge(), service, true)); |
| 925 | } |
Jian Li | 2cc2b63 | 2019-02-18 00:56:40 +0900 | [diff] [blame] | 926 | } |
| 927 | |
| 928 | private void processServiceRemoval(Service service) { |
| 929 | if (!isRelevantHelper()) { |
| 930 | return; |
| 931 | } |
| 932 | |
Jian Li | 5e8a22a | 2019-02-27 11:48:42 +0900 | [diff] [blame] | 933 | if (NAT_STATEFUL.equals(serviceIpNatMode)) { |
| 934 | long ctTrackNew = computeCtStateFlag(true, true, false); |
| 935 | long ctMaskTrackNew = computeCtMaskFlag(true, true, false); |
Jian Li | 2cc2b63 | 2019-02-18 00:56:40 +0900 | [diff] [blame] | 936 | |
Jian Li | 5e8a22a | 2019-02-27 11:48:42 +0900 | [diff] [blame] | 937 | k8sNodeService.completeNodes().forEach(n -> |
| 938 | setStatefulGroupFlowRules(n.intgBridge(), ctTrackNew, |
| 939 | ctMaskTrackNew, service, false)); |
| 940 | } else if (NAT_STATELESS.equals(serviceIpNatMode)) { |
| 941 | k8sNodeService.completeNodes().forEach(n -> |
| 942 | setStatelessGroupFlowRules(n.intgBridge(), service, false)); |
| 943 | } |
Jian Li | 004526d | 2019-02-25 16:26:27 +0900 | [diff] [blame] | 944 | } |
Jian Li | 2cc2b63 | 2019-02-18 00:56:40 +0900 | [diff] [blame] | 945 | } |
| 946 | |
Jian Li | 7b63fe6 | 2019-04-14 21:49:27 +0900 | [diff] [blame] | 947 | private class InternalK8sEndpointsListener implements K8sEndpointsListener { |
| 948 | |
| 949 | private boolean isRelevantHelper() { |
| 950 | return Objects.equals(localNodeId, leadershipService.getLeader(appId.name())); |
| 951 | } |
| 952 | |
| 953 | @Override |
| 954 | public void event(K8sEndpointsEvent event) { |
| 955 | Endpoints endpoints = event.subject(); |
| 956 | |
| 957 | switch (event.type()) { |
| 958 | case K8S_ENDPOINTS_CREATED: |
Jian Li | bf562c2 | 2019-04-15 18:07:14 +0900 | [diff] [blame] | 959 | case K8S_ENDPOINTS_UPDATED: |
Jian Li | 7b63fe6 | 2019-04-14 21:49:27 +0900 | [diff] [blame] | 960 | eventExecutor.execute(() -> processEndpointsCreation(endpoints)); |
| 961 | break; |
| 962 | case K8S_ENDPOINTS_REMOVED: |
| 963 | eventExecutor.execute(() -> processEndpointsRemoval(endpoints)); |
| 964 | break; |
| 965 | default: |
| 966 | break; |
| 967 | } |
| 968 | } |
| 969 | |
| 970 | private void processEndpointsCreation(Endpoints endpoints) { |
| 971 | if (!isRelevantHelper()) { |
| 972 | return; |
| 973 | } |
| 974 | |
Jian Li | bf562c2 | 2019-04-15 18:07:14 +0900 | [diff] [blame] | 975 | setEndpointsRules(endpoints, true); |
Jian Li | 7b63fe6 | 2019-04-14 21:49:27 +0900 | [diff] [blame] | 976 | } |
| 977 | |
| 978 | private void processEndpointsRemoval(Endpoints endpoints) { |
| 979 | if (!isRelevantHelper()) { |
| 980 | return; |
| 981 | } |
| 982 | |
Jian Li | bf562c2 | 2019-04-15 18:07:14 +0900 | [diff] [blame] | 983 | setEndpointsRules(endpoints, false); |
Jian Li | 4a7ce67 | 2019-04-09 15:20:25 +0900 | [diff] [blame] | 984 | } |
| 985 | } |
| 986 | |
Jian Li | 2cc2b63 | 2019-02-18 00:56:40 +0900 | [diff] [blame] | 987 | private class InternalNodeEventListener implements K8sNodeListener { |
| 988 | |
| 989 | private boolean isRelevantHelper() { |
| 990 | return Objects.equals(localNodeId, leadershipService.getLeader(appId.name())); |
| 991 | } |
| 992 | |
| 993 | @Override |
| 994 | public void event(K8sNodeEvent event) { |
| 995 | K8sNode k8sNode = event.subject(); |
| 996 | switch (event.type()) { |
| 997 | case K8S_NODE_COMPLETE: |
| 998 | eventExecutor.execute(() -> processNodeCompletion(k8sNode)); |
| 999 | break; |
| 1000 | case K8S_NODE_INCOMPLETE: |
Jian Li | 4a7ce67 | 2019-04-09 15:20:25 +0900 | [diff] [blame] | 1001 | case K8S_NODE_REMOVED: |
Jian Li | 2cc2b63 | 2019-02-18 00:56:40 +0900 | [diff] [blame] | 1002 | default: |
| 1003 | break; |
| 1004 | } |
| 1005 | } |
| 1006 | |
| 1007 | private void processNodeCompletion(K8sNode node) { |
| 1008 | if (!isRelevantHelper()) { |
| 1009 | return; |
| 1010 | } |
| 1011 | |
Jian Li | 4a7ce67 | 2019-04-09 15:20:25 +0900 | [diff] [blame] | 1012 | setServiceNatRules(node.intgBridge(), true); |
Jian Li | bf562c2 | 2019-04-15 18:07:14 +0900 | [diff] [blame] | 1013 | k8sEndpointsService.endpointses().forEach(e -> setEndpointsRules(e, true)); |
Jian Li | f5da78a | 2019-04-15 01:52:23 +0900 | [diff] [blame] | 1014 | k8sNetworkService.networks().forEach(n -> setupServiceDefaultRule(n, true)); |
| 1015 | } |
| 1016 | } |
| 1017 | |
| 1018 | private class InternalK8sNetworkListener implements K8sNetworkListener { |
| 1019 | |
| 1020 | private boolean isRelevantHelper() { |
| 1021 | return Objects.equals(localNodeId, leadershipService.getLeader(appId.name())); |
| 1022 | } |
| 1023 | |
| 1024 | @Override |
| 1025 | public void event(K8sNetworkEvent event) { |
| 1026 | switch (event.type()) { |
| 1027 | case K8S_NETWORK_CREATED: |
| 1028 | eventExecutor.execute(() -> processNetworkCreation(event.subject())); |
| 1029 | break; |
| 1030 | case K8S_NETWORK_UPDATED: |
| 1031 | case K8S_NETWORK_REMOVED: |
| 1032 | default: |
| 1033 | break; |
| 1034 | } |
| 1035 | } |
| 1036 | |
| 1037 | private void processNetworkCreation(K8sNetwork network) { |
| 1038 | if (!isRelevantHelper()) { |
| 1039 | return; |
| 1040 | } |
| 1041 | |
| 1042 | setupServiceDefaultRule(network, true); |
Jian Li | 2cc2b63 | 2019-02-18 00:56:40 +0900 | [diff] [blame] | 1043 | } |
| 1044 | } |
| 1045 | } |