Jian Li | 73d3b6a | 2019-07-08 18:07:53 +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 | |
Jian Li | 0f45961 | 2019-07-11 10:38:02 +0900 | [diff] [blame] | 18 | import com.google.common.collect.ImmutableSet; |
Jian Li | 73d3b6a | 2019-07-08 18:07:53 +0900 | [diff] [blame] | 19 | import com.google.common.collect.Maps; |
Jian Li | 0f45961 | 2019-07-11 10:38:02 +0900 | [diff] [blame] | 20 | import com.google.common.collect.Sets; |
Jian Li | e1a5b8f | 2019-07-23 17:13:19 +0900 | [diff] [blame] | 21 | import io.fabric8.kubernetes.api.model.LabelSelectorRequirement; |
| 22 | import io.fabric8.kubernetes.api.model.Namespace; |
Jian Li | 73d3b6a | 2019-07-08 18:07:53 +0900 | [diff] [blame] | 23 | import io.fabric8.kubernetes.api.model.Pod; |
Jian Li | e1a5b8f | 2019-07-23 17:13:19 +0900 | [diff] [blame] | 24 | import io.fabric8.kubernetes.api.model.Service; |
Jian Li | 9ac7395 | 2021-01-15 14:53:22 +0900 | [diff] [blame^] | 25 | |
| 26 | import io.fabric8.kubernetes.api.model.networking.v1.NetworkPolicy; |
| 27 | import io.fabric8.kubernetes.api.model.networking.v1.NetworkPolicyEgressRule; |
| 28 | import io.fabric8.kubernetes.api.model.networking.v1.NetworkPolicyIngressRule; |
| 29 | import io.fabric8.kubernetes.api.model.networking.v1.NetworkPolicyPeer; |
| 30 | import io.fabric8.kubernetes.api.model.networking.v1.NetworkPolicyPort; |
Jian Li | 73d3b6a | 2019-07-08 18:07:53 +0900 | [diff] [blame] | 31 | import org.onlab.packet.IPv4; |
| 32 | import org.onlab.packet.IpAddress; |
| 33 | import org.onlab.packet.IpPrefix; |
| 34 | import org.onlab.packet.TpPort; |
| 35 | import org.onosproject.cfg.ComponentConfigService; |
| 36 | import org.onosproject.cluster.ClusterService; |
| 37 | import org.onosproject.cluster.LeadershipService; |
| 38 | import org.onosproject.cluster.NodeId; |
| 39 | import org.onosproject.core.ApplicationId; |
| 40 | import org.onosproject.core.CoreService; |
| 41 | import org.onosproject.k8snetworking.api.K8sFlowRuleService; |
Jian Li | e1a5b8f | 2019-07-23 17:13:19 +0900 | [diff] [blame] | 42 | import org.onosproject.k8snetworking.api.K8sNamespaceEvent; |
| 43 | import org.onosproject.k8snetworking.api.K8sNamespaceListener; |
Jian Li | 0f45961 | 2019-07-11 10:38:02 +0900 | [diff] [blame] | 44 | import org.onosproject.k8snetworking.api.K8sNamespaceService; |
Jian Li | 73d3b6a | 2019-07-08 18:07:53 +0900 | [diff] [blame] | 45 | import org.onosproject.k8snetworking.api.K8sNetworkPolicyEvent; |
| 46 | import org.onosproject.k8snetworking.api.K8sNetworkPolicyListener; |
| 47 | import org.onosproject.k8snetworking.api.K8sNetworkPolicyService; |
| 48 | import org.onosproject.k8snetworking.api.K8sNetworkService; |
| 49 | import org.onosproject.k8snetworking.api.K8sPodEvent; |
| 50 | import org.onosproject.k8snetworking.api.K8sPodListener; |
| 51 | import org.onosproject.k8snetworking.api.K8sPodService; |
Jian Li | e1a5b8f | 2019-07-23 17:13:19 +0900 | [diff] [blame] | 52 | import org.onosproject.k8snetworking.api.K8sServiceEvent; |
| 53 | import org.onosproject.k8snetworking.api.K8sServiceListener; |
| 54 | import org.onosproject.k8snetworking.api.K8sServiceService; |
Jian Li | 73d3b6a | 2019-07-08 18:07:53 +0900 | [diff] [blame] | 55 | import org.onosproject.k8snode.api.K8sNodeService; |
| 56 | import org.onosproject.net.device.DeviceService; |
| 57 | import org.onosproject.net.driver.DriverService; |
| 58 | import org.onosproject.net.flow.DefaultTrafficSelector; |
| 59 | import org.onosproject.net.flow.DefaultTrafficTreatment; |
| 60 | import org.onosproject.net.flow.TrafficSelector; |
| 61 | import org.onosproject.net.flow.TrafficTreatment; |
| 62 | import org.onosproject.store.service.StorageService; |
| 63 | import org.osgi.service.component.annotations.Activate; |
| 64 | import org.osgi.service.component.annotations.Component; |
| 65 | import org.osgi.service.component.annotations.Deactivate; |
| 66 | import org.osgi.service.component.annotations.Reference; |
| 67 | import org.osgi.service.component.annotations.ReferenceCardinality; |
| 68 | import org.slf4j.Logger; |
| 69 | |
| 70 | import java.util.List; |
| 71 | import java.util.Map; |
| 72 | import java.util.Objects; |
Jian Li | 0f45961 | 2019-07-11 10:38:02 +0900 | [diff] [blame] | 73 | import java.util.Set; |
Jian Li | 73d3b6a | 2019-07-08 18:07:53 +0900 | [diff] [blame] | 74 | import java.util.concurrent.ExecutorService; |
Jian Li | e1a5b8f | 2019-07-23 17:13:19 +0900 | [diff] [blame] | 75 | import java.util.concurrent.atomic.AtomicReference; |
Jian Li | 73d3b6a | 2019-07-08 18:07:53 +0900 | [diff] [blame] | 76 | |
| 77 | import static java.util.concurrent.Executors.newSingleThreadExecutor; |
Jian Li | e1a5b8f | 2019-07-23 17:13:19 +0900 | [diff] [blame] | 78 | import static org.onlab.packet.Ethernet.TYPE_IPV4; |
Jian Li | 73d3b6a | 2019-07-08 18:07:53 +0900 | [diff] [blame] | 79 | import static org.onlab.util.Tools.groupedThreads; |
Jian Li | 0f45961 | 2019-07-11 10:38:02 +0900 | [diff] [blame] | 80 | import static org.onosproject.k8snetworking.api.Constants.ACL_EGRESS_BLACK_TABLE; |
| 81 | import static org.onosproject.k8snetworking.api.Constants.ACL_EGRESS_WHITE_TABLE; |
| 82 | import static org.onosproject.k8snetworking.api.Constants.ACL_INGRESS_BLACK_TABLE; |
| 83 | import static org.onosproject.k8snetworking.api.Constants.ACL_INGRESS_WHITE_TABLE; |
Jian Li | 73d3b6a | 2019-07-08 18:07:53 +0900 | [diff] [blame] | 84 | import static org.onosproject.k8snetworking.api.Constants.ACL_TABLE; |
Jian Li | e1a5b8f | 2019-07-23 17:13:19 +0900 | [diff] [blame] | 85 | import static org.onosproject.k8snetworking.api.Constants.DEFAULT_METADATA_MASK; |
| 86 | import static org.onosproject.k8snetworking.api.Constants.DEFAULT_NAMESPACE_HASH; |
| 87 | import static org.onosproject.k8snetworking.api.Constants.DEFAULT_SEGMENT_ID; |
Jian Li | c51f187 | 2019-12-24 15:02:05 +0900 | [diff] [blame] | 88 | import static org.onosproject.k8snetworking.api.Constants.DEFAULT_SERVICE_IP_NONE; |
Jian Li | e1a5b8f | 2019-07-23 17:13:19 +0900 | [diff] [blame] | 89 | import static org.onosproject.k8snetworking.api.Constants.GROUPING_TABLE; |
Jian Li | 73d3b6a | 2019-07-08 18:07:53 +0900 | [diff] [blame] | 90 | import static org.onosproject.k8snetworking.api.Constants.K8S_NETWORKING_APP_ID; |
Jian Li | e1a5b8f | 2019-07-23 17:13:19 +0900 | [diff] [blame] | 91 | import static org.onosproject.k8snetworking.api.Constants.NAMESPACE_TABLE; |
Jian Li | 73d3b6a | 2019-07-08 18:07:53 +0900 | [diff] [blame] | 92 | import static org.onosproject.k8snetworking.api.Constants.PRIORITY_CIDR_RULE; |
Jian Li | e1a5b8f | 2019-07-23 17:13:19 +0900 | [diff] [blame] | 93 | import static org.onosproject.k8snetworking.api.Constants.PRIORITY_NAMESPACE_RULE; |
Jian Li | 73d3b6a | 2019-07-08 18:07:53 +0900 | [diff] [blame] | 94 | import static org.onosproject.k8snetworking.api.Constants.ROUTING_TABLE; |
| 95 | import static org.onosproject.k8snetworking.api.Constants.SHIFTED_IP_PREFIX; |
Jian Li | e1a5b8f | 2019-07-23 17:13:19 +0900 | [diff] [blame] | 96 | import static org.onosproject.k8snetworking.impl.OsgiPropertyConstants.SERVICE_IP_CIDR_DEFAULT; |
| 97 | import static org.onosproject.k8snetworking.util.K8sNetworkingUtil.namespaceHashByNamespace; |
| 98 | import static org.onosproject.k8snetworking.util.K8sNetworkingUtil.namespaceHashByPodIp; |
| 99 | import static org.onosproject.k8snetworking.util.K8sNetworkingUtil.namespaceHashByServiceIp; |
Jian Li | 73d3b6a | 2019-07-08 18:07:53 +0900 | [diff] [blame] | 100 | import static org.onosproject.k8snetworking.util.K8sNetworkingUtil.shiftIpDomain; |
| 101 | import static org.slf4j.LoggerFactory.getLogger; |
| 102 | |
| 103 | /** |
| 104 | * Handles the ACL by referring to the network policy defined through kubernetes. |
| 105 | */ |
| 106 | @Component(immediate = true) |
| 107 | public class K8sNetworkPolicyHandler { |
| 108 | |
| 109 | private final Logger log = getLogger(getClass()); |
| 110 | |
| 111 | private static final String DIRECTION_INGRESS = "ingress"; |
| 112 | private static final String DIRECTION_EGRESS = "egress"; |
| 113 | |
| 114 | private static final String PROTOCOL_TCP = "tcp"; |
| 115 | private static final String PROTOCOL_UDP = "udp"; |
| 116 | |
Jian Li | e1a5b8f | 2019-07-23 17:13:19 +0900 | [diff] [blame] | 117 | private static final String KUBE_SYSTEM = "kube-system"; |
| 118 | |
Jian Li | 73d3b6a | 2019-07-08 18:07:53 +0900 | [diff] [blame] | 119 | private static final int HOST_PREFIX = 32; |
| 120 | |
| 121 | @Reference(cardinality = ReferenceCardinality.MANDATORY) |
| 122 | protected CoreService coreService; |
| 123 | |
| 124 | @Reference(cardinality = ReferenceCardinality.MANDATORY) |
| 125 | protected LeadershipService leadershipService; |
| 126 | |
| 127 | @Reference(cardinality = ReferenceCardinality.MANDATORY) |
| 128 | protected ClusterService clusterService; |
| 129 | |
| 130 | @Reference(cardinality = ReferenceCardinality.MANDATORY) |
| 131 | protected DriverService driverService; |
| 132 | |
| 133 | @Reference(cardinality = ReferenceCardinality.MANDATORY) |
| 134 | protected DeviceService deviceService; |
| 135 | |
| 136 | @Reference(cardinality = ReferenceCardinality.MANDATORY) |
| 137 | protected ComponentConfigService configService; |
| 138 | |
| 139 | @Reference(cardinality = ReferenceCardinality.MANDATORY) |
| 140 | protected StorageService storageService; |
| 141 | |
| 142 | @Reference(cardinality = ReferenceCardinality.MANDATORY) |
| 143 | protected K8sNetworkService k8sNetworkService; |
| 144 | |
| 145 | @Reference(cardinality = ReferenceCardinality.MANDATORY) |
| 146 | protected K8sFlowRuleService k8sFlowRuleService; |
| 147 | |
| 148 | @Reference(cardinality = ReferenceCardinality.MANDATORY) |
| 149 | protected K8sNodeService k8sNodeService; |
| 150 | |
| 151 | @Reference(cardinality = ReferenceCardinality.MANDATORY) |
| 152 | protected K8sPodService k8sPodService; |
| 153 | |
| 154 | @Reference(cardinality = ReferenceCardinality.MANDATORY) |
Jian Li | e1a5b8f | 2019-07-23 17:13:19 +0900 | [diff] [blame] | 155 | protected K8sServiceService k8sServiceService; |
| 156 | |
| 157 | @Reference(cardinality = ReferenceCardinality.MANDATORY) |
Jian Li | 73d3b6a | 2019-07-08 18:07:53 +0900 | [diff] [blame] | 158 | protected K8sNetworkPolicyService k8sNetworkPolicyService; |
| 159 | |
Jian Li | 0f45961 | 2019-07-11 10:38:02 +0900 | [diff] [blame] | 160 | @Reference(cardinality = ReferenceCardinality.MANDATORY) |
| 161 | protected K8sNamespaceService k8sNamespaceService; |
| 162 | |
Jian Li | 73d3b6a | 2019-07-08 18:07:53 +0900 | [diff] [blame] | 163 | private final ExecutorService eventExecutor = newSingleThreadExecutor( |
| 164 | groupedThreads(this.getClass().getSimpleName(), "event-handler", log)); |
| 165 | private final InternalPodListener internalPodListener = |
| 166 | new InternalPodListener(); |
Jian Li | e1a5b8f | 2019-07-23 17:13:19 +0900 | [diff] [blame] | 167 | private final InternalServiceListener internalServiceListener = |
| 168 | new InternalServiceListener(); |
Jian Li | 73d3b6a | 2019-07-08 18:07:53 +0900 | [diff] [blame] | 169 | private final InternalNetworkPolicyListener internalNetworkPolicyListener = |
| 170 | new InternalNetworkPolicyListener(); |
Jian Li | e1a5b8f | 2019-07-23 17:13:19 +0900 | [diff] [blame] | 171 | private final InternalNamespaceListener internalNamespaceListener = |
| 172 | new InternalNamespaceListener(); |
Jian Li | 73d3b6a | 2019-07-08 18:07:53 +0900 | [diff] [blame] | 173 | |
| 174 | private ApplicationId appId; |
| 175 | private NodeId localNodeId; |
| 176 | |
| 177 | @Activate |
| 178 | protected void activate() { |
| 179 | appId = coreService.registerApplication(K8S_NETWORKING_APP_ID); |
| 180 | |
| 181 | localNodeId = clusterService.getLocalNode().id(); |
| 182 | leadershipService.runForLeadership(appId.name()); |
| 183 | k8sPodService.addListener(internalPodListener); |
Jian Li | e1a5b8f | 2019-07-23 17:13:19 +0900 | [diff] [blame] | 184 | k8sServiceService.addListener(internalServiceListener); |
Jian Li | 73d3b6a | 2019-07-08 18:07:53 +0900 | [diff] [blame] | 185 | k8sNetworkPolicyService.addListener(internalNetworkPolicyListener); |
Jian Li | e1a5b8f | 2019-07-23 17:13:19 +0900 | [diff] [blame] | 186 | k8sNamespaceService.addListener(internalNamespaceListener); |
Jian Li | 73d3b6a | 2019-07-08 18:07:53 +0900 | [diff] [blame] | 187 | |
| 188 | log.info("Started"); |
| 189 | } |
| 190 | |
| 191 | @Deactivate |
| 192 | protected void deactivate() { |
| 193 | leadershipService.withdraw(appId.name()); |
| 194 | k8sPodService.removeListener(internalPodListener); |
Jian Li | e1a5b8f | 2019-07-23 17:13:19 +0900 | [diff] [blame] | 195 | k8sServiceService.removeListener(internalServiceListener); |
Jian Li | 73d3b6a | 2019-07-08 18:07:53 +0900 | [diff] [blame] | 196 | k8sNetworkPolicyService.removeListener(internalNetworkPolicyListener); |
Jian Li | e1a5b8f | 2019-07-23 17:13:19 +0900 | [diff] [blame] | 197 | k8sNamespaceService.removeListener(internalNamespaceListener); |
Jian Li | 73d3b6a | 2019-07-08 18:07:53 +0900 | [diff] [blame] | 198 | eventExecutor.shutdown(); |
| 199 | |
| 200 | log.info("Stopped"); |
| 201 | } |
| 202 | |
| 203 | private void setBlockRulesByPolicy(NetworkPolicy policy, boolean install) { |
Jian Li | b7dfb5b | 2019-07-15 17:37:12 +0900 | [diff] [blame] | 204 | final Map<String, List<String>> filter = Maps.newConcurrentMap(); |
Jian Li | 73d3b6a | 2019-07-08 18:07:53 +0900 | [diff] [blame] | 205 | |
Jian Li | b7dfb5b | 2019-07-15 17:37:12 +0900 | [diff] [blame] | 206 | k8sPodService.pods().forEach(pod -> |
| 207 | filter.putAll(getBlockRuleFilter(pod, policy))); |
Jian Li | 73d3b6a | 2019-07-08 18:07:53 +0900 | [diff] [blame] | 208 | |
| 209 | setBlockRules(filter, install); |
| 210 | } |
| 211 | |
| 212 | private void setBlockRulesByPod(Pod pod, boolean install) { |
Jian Li | b7dfb5b | 2019-07-15 17:37:12 +0900 | [diff] [blame] | 213 | final Map<String, List<String>> filter = Maps.newConcurrentMap(); |
Jian Li | 73d3b6a | 2019-07-08 18:07:53 +0900 | [diff] [blame] | 214 | |
Jian Li | b7dfb5b | 2019-07-15 17:37:12 +0900 | [diff] [blame] | 215 | k8sNetworkPolicyService.networkPolicies().forEach(policy -> |
| 216 | filter.putAll(getBlockRuleFilter(pod, policy))); |
Jian Li | 73d3b6a | 2019-07-08 18:07:53 +0900 | [diff] [blame] | 217 | |
| 218 | setBlockRules(filter, install); |
| 219 | } |
| 220 | |
Jian Li | b7dfb5b | 2019-07-15 17:37:12 +0900 | [diff] [blame] | 221 | private Map<String, List<String>> getBlockRuleFilter(Pod pod, NetworkPolicy policy) { |
Jian Li | e1a5b8f | 2019-07-23 17:13:19 +0900 | [diff] [blame] | 222 | |
| 223 | // if the POD is not included in the namespace of the given policy, |
| 224 | // we do not block the POD |
| 225 | if (!pod.getMetadata().getNamespace().equals(policy.getMetadata().getNamespace())) { |
| 226 | return Maps.newConcurrentMap(); |
| 227 | } |
| 228 | |
Jian Li | b7dfb5b | 2019-07-15 17:37:12 +0900 | [diff] [blame] | 229 | Map<String, String> labels = policy.getSpec().getPodSelector().getMatchLabels(); |
| 230 | Map<String, List<String>> filter = Maps.newConcurrentMap(); |
| 231 | String podIp = pod.getStatus().getPodIP(); |
| 232 | List<String> policyTypes = policy.getSpec().getPolicyTypes(); |
| 233 | |
| 234 | if (podIp != null && policyTypes != null) { |
| 235 | if (labels == null) { |
| 236 | filter.put(podIp, policyTypes); |
| 237 | } else { |
| 238 | pod.getMetadata().getLabels().forEach((k, v) -> { |
| 239 | if (labels.get(k) != null && labels.get(k).equals(v)) { |
| 240 | filter.put(podIp, policyTypes); |
| 241 | } |
| 242 | }); |
| 243 | } |
| 244 | } |
| 245 | |
| 246 | return filter; |
| 247 | } |
| 248 | |
Jian Li | 73d3b6a | 2019-07-08 18:07:53 +0900 | [diff] [blame] | 249 | private void setBlockRules(Map<String, List<String>> filter, boolean install) { |
| 250 | filter.forEach((k, v) -> { |
| 251 | v.forEach(d -> { |
| 252 | TrafficSelector.Builder sBuilder = DefaultTrafficSelector.builder() |
Jian Li | e1a5b8f | 2019-07-23 17:13:19 +0900 | [diff] [blame] | 253 | .matchEthType(TYPE_IPV4); |
Jian Li | 73d3b6a | 2019-07-08 18:07:53 +0900 | [diff] [blame] | 254 | TrafficTreatment.Builder tBuilder = DefaultTrafficTreatment.builder(); |
Jian Li | e1a5b8f | 2019-07-23 17:13:19 +0900 | [diff] [blame] | 255 | |
| 256 | Integer nsHash = namespaceHashByPodIp(k8sPodService, k8sNamespaceService, k); |
| 257 | if (nsHash != null) { |
| 258 | tBuilder.setTunnelId(nsHash); |
| 259 | } |
| 260 | |
Jian Li | 73d3b6a | 2019-07-08 18:07:53 +0900 | [diff] [blame] | 261 | if (d.equalsIgnoreCase(DIRECTION_INGRESS)) { |
| 262 | sBuilder.matchIPDst(IpPrefix.valueOf(IpAddress.valueOf(k), HOST_PREFIX)); |
Jian Li | 0f45961 | 2019-07-11 10:38:02 +0900 | [diff] [blame] | 263 | tBuilder.transition(ACL_INGRESS_WHITE_TABLE); |
Jian Li | 6b9bf56 | 2019-07-30 17:10:39 +0900 | [diff] [blame] | 264 | setPolicyRulesBase(sBuilder, tBuilder, ACL_TABLE, install); |
Jian Li | 73d3b6a | 2019-07-08 18:07:53 +0900 | [diff] [blame] | 265 | } else if (d.equalsIgnoreCase(DIRECTION_EGRESS)) { |
Jian Li | 6b9bf56 | 2019-07-30 17:10:39 +0900 | [diff] [blame] | 266 | // original IP |
Jian Li | 73d3b6a | 2019-07-08 18:07:53 +0900 | [diff] [blame] | 267 | sBuilder.matchIPSrc(IpPrefix.valueOf(IpAddress.valueOf(k), HOST_PREFIX)); |
Jian Li | 0f45961 | 2019-07-11 10:38:02 +0900 | [diff] [blame] | 268 | tBuilder.transition(ACL_EGRESS_WHITE_TABLE); |
Jian Li | 6b9bf56 | 2019-07-30 17:10:39 +0900 | [diff] [blame] | 269 | setPolicyRulesBase(sBuilder, tBuilder, ACL_TABLE, install); |
Jian Li | 73d3b6a | 2019-07-08 18:07:53 +0900 | [diff] [blame] | 270 | |
Jian Li | 6b9bf56 | 2019-07-30 17:10:39 +0900 | [diff] [blame] | 271 | |
| 272 | // shifted IP |
| 273 | sBuilder.matchIPSrc(IpPrefix.valueOf(IpAddress.valueOf( |
| 274 | shiftIpDomain(k, SHIFTED_IP_PREFIX)), HOST_PREFIX)); |
| 275 | setPolicyRulesBase(sBuilder, tBuilder, ACL_TABLE, install); |
| 276 | } |
Jian Li | 73d3b6a | 2019-07-08 18:07:53 +0900 | [diff] [blame] | 277 | }); |
| 278 | }); |
| 279 | } |
| 280 | |
Jian Li | e1a5b8f | 2019-07-23 17:13:19 +0900 | [diff] [blame] | 281 | private void setDefaultAllowNamespaceRules(Namespace namespace, boolean install) { |
| 282 | |
| 283 | String ns = namespace.getMetadata().getName(); |
| 284 | if (KUBE_SYSTEM.equalsIgnoreCase(ns)) { |
| 285 | setAllowNamespaceRulesBase(0, namespace.hashCode(), |
| 286 | DIRECTION_INGRESS, install); |
| 287 | } |
| 288 | } |
| 289 | |
| 290 | private void setDefaultAllowServiceRules(boolean install) { |
| 291 | TrafficSelector.Builder sBuilder = DefaultTrafficSelector.builder() |
| 292 | .matchEthType(TYPE_IPV4) |
| 293 | .matchIPSrc(IpPrefix.valueOf(SERVICE_IP_CIDR_DEFAULT)); |
| 294 | TrafficTreatment.Builder tBuilder = DefaultTrafficTreatment.builder() |
| 295 | .setTunnelId(DEFAULT_SEGMENT_ID) |
| 296 | .transition(ROUTING_TABLE); |
| 297 | |
| 298 | setPolicyRulesBase(sBuilder, tBuilder, ACL_INGRESS_WHITE_TABLE, install); |
| 299 | } |
| 300 | |
| 301 | private void setAllowNamespaceRulesBase(int tunnelId, int metadata, |
| 302 | String direction, boolean install) { |
| 303 | TrafficSelector.Builder sBuilder = DefaultTrafficSelector.builder(); |
| 304 | |
| 305 | if (tunnelId != 0) { |
| 306 | sBuilder.matchTunnelId(tunnelId); |
| 307 | } |
| 308 | |
| 309 | sBuilder.matchMetadata(metadata); |
| 310 | TrafficTreatment.Builder tBuilder = DefaultTrafficTreatment.builder() |
| 311 | .setTunnelId(DEFAULT_SEGMENT_ID) |
| 312 | .transition(ROUTING_TABLE); |
| 313 | |
Jian Li | e1a5b8f | 2019-07-23 17:13:19 +0900 | [diff] [blame] | 314 | if (DIRECTION_INGRESS.equals(direction)) { |
Jian Li | c886b64 | 2019-07-30 19:12:07 +0900 | [diff] [blame] | 315 | setPolicyRulesBase(sBuilder, tBuilder, ACL_INGRESS_WHITE_TABLE, install); |
Jian Li | e1a5b8f | 2019-07-23 17:13:19 +0900 | [diff] [blame] | 316 | } |
Jian Li | e1a5b8f | 2019-07-23 17:13:19 +0900 | [diff] [blame] | 317 | } |
| 318 | |
Jian Li | 73d3b6a | 2019-07-08 18:07:53 +0900 | [diff] [blame] | 319 | private void setAllowRulesByPolicy(NetworkPolicy policy, boolean install) { |
Jian Li | 0f45961 | 2019-07-11 10:38:02 +0900 | [diff] [blame] | 320 | Map<String, Map<String, List<NetworkPolicyPort>>> |
| 321 | white = Maps.newConcurrentMap(); |
Jian Li | 73d3b6a | 2019-07-08 18:07:53 +0900 | [diff] [blame] | 322 | |
Jian Li | e1a5b8f | 2019-07-23 17:13:19 +0900 | [diff] [blame] | 323 | int nsHash = namespaceHashByNamespace(k8sNamespaceService, |
| 324 | policy.getMetadata().getNamespace()); |
| 325 | |
Jian Li | b7dfb5b | 2019-07-15 17:37:12 +0900 | [diff] [blame] | 326 | List<NetworkPolicyIngressRule> ingress = policy.getSpec().getIngress(); |
| 327 | if (ingress != null && ingress.size() == 1) { |
| 328 | NetworkPolicyIngressRule rule = ingress.get(0); |
| 329 | if (rule.getFrom().size() == 0 && rule.getPorts().size() == 0) { |
Jian Li | e1a5b8f | 2019-07-23 17:13:19 +0900 | [diff] [blame] | 330 | setAllowAllRule(nsHash, DIRECTION_INGRESS, install); |
Jian Li | b7dfb5b | 2019-07-15 17:37:12 +0900 | [diff] [blame] | 331 | } |
| 332 | } |
| 333 | |
Jian Li | 73d3b6a | 2019-07-08 18:07:53 +0900 | [diff] [blame] | 334 | policy.getSpec().getIngress().forEach(i -> { |
| 335 | Map<String, List<NetworkPolicyPort>> direction = Maps.newConcurrentMap(); |
| 336 | direction.put(DIRECTION_INGRESS, i.getPorts()); |
Jian Li | e1a5b8f | 2019-07-23 17:13:19 +0900 | [diff] [blame] | 337 | i.getFrom().forEach(peer -> { |
| 338 | |
| 339 | // IP block |
| 340 | if (peer.getIpBlock() != null) { |
| 341 | if (peer.getIpBlock().getExcept() != null && |
| 342 | peer.getIpBlock().getExcept().size() > 0) { |
Jian Li | 0f45961 | 2019-07-11 10:38:02 +0900 | [diff] [blame] | 343 | Map<String, List<NetworkPolicyPort>> |
| 344 | blkDirection = Maps.newConcurrentMap(); |
Jian Li | 73d3b6a | 2019-07-08 18:07:53 +0900 | [diff] [blame] | 345 | |
Jian Li | 0f45961 | 2019-07-11 10:38:02 +0900 | [diff] [blame] | 346 | blkDirection.put(DIRECTION_INGRESS, i.getPorts()); |
Jian Li | e1a5b8f | 2019-07-23 17:13:19 +0900 | [diff] [blame] | 347 | white.compute(peer.getIpBlock().getCidr(), (k, v) -> blkDirection); |
Jian Li | 73d3b6a | 2019-07-08 18:07:53 +0900 | [diff] [blame] | 348 | |
Jian Li | e1a5b8f | 2019-07-23 17:13:19 +0900 | [diff] [blame] | 349 | setBlackRules(peer.getIpBlock().getCidr(), DIRECTION_INGRESS, |
| 350 | peer.getIpBlock().getExcept(), install); |
Jian Li | 0f45961 | 2019-07-11 10:38:02 +0900 | [diff] [blame] | 351 | } else { |
Jian Li | e1a5b8f | 2019-07-23 17:13:19 +0900 | [diff] [blame] | 352 | white.compute(peer.getIpBlock().getCidr(), (k, v) -> direction); |
Jian Li | 0f45961 | 2019-07-11 10:38:02 +0900 | [diff] [blame] | 353 | } |
| 354 | } |
| 355 | |
Jian Li | e1a5b8f | 2019-07-23 17:13:19 +0900 | [diff] [blame] | 356 | // POD selector |
Jian Li | cd93415 | 2019-07-28 21:35:49 +0900 | [diff] [blame] | 357 | Set<Pod> pods = podsFromPolicyPeer(peer, policy.getMetadata().getNamespace()); |
Jian Li | 0f45961 | 2019-07-11 10:38:02 +0900 | [diff] [blame] | 358 | |
Jian Li | c886b64 | 2019-07-30 19:12:07 +0900 | [diff] [blame] | 359 | pods.stream() |
| 360 | .filter(pod -> pod.getStatus().getPodIP() != null) |
| 361 | .forEach(pod -> { |
Jian Li | 0f45961 | 2019-07-11 10:38:02 +0900 | [diff] [blame] | 362 | white.compute(shiftIpDomain(pod.getStatus().getPodIP(), |
| 363 | SHIFTED_IP_PREFIX) + "/" + HOST_PREFIX, (m, n) -> direction); |
| 364 | white.compute(pod.getStatus().getPodIP() + "/" + HOST_PREFIX, (m, n) -> direction); |
Jian Li | 73d3b6a | 2019-07-08 18:07:53 +0900 | [diff] [blame] | 365 | }); |
Jian Li | e1a5b8f | 2019-07-23 17:13:19 +0900 | [diff] [blame] | 366 | |
| 367 | // Namespace selector |
| 368 | setAllowNamespaceRules(nsHash, |
| 369 | namespacesByPolicyPeer(peer), DIRECTION_INGRESS, install); |
Jian Li | 73d3b6a | 2019-07-08 18:07:53 +0900 | [diff] [blame] | 370 | }); |
| 371 | }); |
| 372 | |
Jian Li | b7dfb5b | 2019-07-15 17:37:12 +0900 | [diff] [blame] | 373 | List<NetworkPolicyEgressRule> egress = policy.getSpec().getEgress(); |
| 374 | if (egress != null && egress.size() == 1) { |
| 375 | NetworkPolicyEgressRule rule = egress.get(0); |
| 376 | if (rule.getTo().size() == 0 && rule.getPorts().size() == 0) { |
Jian Li | e1a5b8f | 2019-07-23 17:13:19 +0900 | [diff] [blame] | 377 | setAllowAllRule(nsHash, DIRECTION_EGRESS, install); |
Jian Li | b7dfb5b | 2019-07-15 17:37:12 +0900 | [diff] [blame] | 378 | } |
| 379 | } |
| 380 | |
Jian Li | 73d3b6a | 2019-07-08 18:07:53 +0900 | [diff] [blame] | 381 | policy.getSpec().getEgress().forEach(e -> { |
| 382 | Map<String, List<NetworkPolicyPort>> direction = Maps.newConcurrentMap(); |
| 383 | direction.put(DIRECTION_EGRESS, e.getPorts()); |
Jian Li | e1a5b8f | 2019-07-23 17:13:19 +0900 | [diff] [blame] | 384 | e.getTo().forEach(peer -> { |
| 385 | |
| 386 | // IP block |
| 387 | if (peer.getIpBlock() != null) { |
| 388 | if (peer.getIpBlock().getExcept() != null && |
| 389 | peer.getIpBlock().getExcept().size() > 0) { |
Jian Li | 0f45961 | 2019-07-11 10:38:02 +0900 | [diff] [blame] | 390 | |
| 391 | Map<String, List<NetworkPolicyPort>> |
| 392 | blkDirection = Maps.newConcurrentMap(); |
| 393 | blkDirection.put(DIRECTION_EGRESS, e.getPorts()); |
Jian Li | e1a5b8f | 2019-07-23 17:13:19 +0900 | [diff] [blame] | 394 | white.compute(peer.getIpBlock().getCidr(), (k, v) -> { |
Jian Li | 0f45961 | 2019-07-11 10:38:02 +0900 | [diff] [blame] | 395 | if (v != null) { |
| 396 | v.put(DIRECTION_EGRESS, e.getPorts()); |
| 397 | return v; |
| 398 | } else { |
| 399 | return blkDirection; |
| 400 | } |
| 401 | }); |
| 402 | |
Jian Li | e1a5b8f | 2019-07-23 17:13:19 +0900 | [diff] [blame] | 403 | setBlackRules(peer.getIpBlock().getCidr(), DIRECTION_EGRESS, |
| 404 | peer.getIpBlock().getExcept(), install); |
Jian Li | 73d3b6a | 2019-07-08 18:07:53 +0900 | [diff] [blame] | 405 | } else { |
Jian Li | e1a5b8f | 2019-07-23 17:13:19 +0900 | [diff] [blame] | 406 | white.compute(peer.getIpBlock().getCidr(), (k, v) -> { |
Jian Li | 0f45961 | 2019-07-11 10:38:02 +0900 | [diff] [blame] | 407 | if (v != null) { |
| 408 | v.put(DIRECTION_EGRESS, e.getPorts()); |
| 409 | return v; |
| 410 | } else { |
| 411 | return direction; |
| 412 | } |
| 413 | }); |
Jian Li | 73d3b6a | 2019-07-08 18:07:53 +0900 | [diff] [blame] | 414 | } |
Jian Li | 0f45961 | 2019-07-11 10:38:02 +0900 | [diff] [blame] | 415 | } |
Jian Li | 73d3b6a | 2019-07-08 18:07:53 +0900 | [diff] [blame] | 416 | |
Jian Li | e1a5b8f | 2019-07-23 17:13:19 +0900 | [diff] [blame] | 417 | // POD selector |
Jian Li | cd93415 | 2019-07-28 21:35:49 +0900 | [diff] [blame] | 418 | Set<Pod> pods = podsFromPolicyPeer(peer, policy.getMetadata().getNamespace()); |
Jian Li | 0f45961 | 2019-07-11 10:38:02 +0900 | [diff] [blame] | 419 | |
Jian Li | c886b64 | 2019-07-30 19:12:07 +0900 | [diff] [blame] | 420 | pods.stream() |
| 421 | .filter(pod -> pod.getStatus().getPodIP() != null) |
| 422 | .forEach(pod -> { |
Jian Li | 0f45961 | 2019-07-11 10:38:02 +0900 | [diff] [blame] | 423 | white.compute(shiftIpDomain(pod.getStatus().getPodIP(), |
| 424 | SHIFTED_IP_PREFIX) + "/" + HOST_PREFIX, (m, n) -> { |
| 425 | if (n != null) { |
| 426 | n.put(DIRECTION_EGRESS, e.getPorts()); |
| 427 | return n; |
| 428 | } else { |
| 429 | return direction; |
| 430 | } |
| 431 | }); |
| 432 | |
| 433 | white.compute(pod.getStatus().getPodIP() + "/" + HOST_PREFIX, |
| 434 | (m, n) -> { |
| 435 | if (n != null) { |
| 436 | n.put(DIRECTION_EGRESS, e.getPorts()); |
| 437 | return n; |
| 438 | } else { |
| 439 | return direction; |
Jian Li | 73d3b6a | 2019-07-08 18:07:53 +0900 | [diff] [blame] | 440 | } |
| 441 | }); |
| 442 | }); |
Jian Li | e1a5b8f | 2019-07-23 17:13:19 +0900 | [diff] [blame] | 443 | |
| 444 | // Namespace selector |
| 445 | setAllowNamespaceRules(nsHash, |
| 446 | namespacesByPolicyPeer(peer), DIRECTION_EGRESS, install); |
Jian Li | 73d3b6a | 2019-07-08 18:07:53 +0900 | [diff] [blame] | 447 | }); |
| 448 | }); |
| 449 | |
Jian Li | e1a5b8f | 2019-07-23 17:13:19 +0900 | [diff] [blame] | 450 | setAllowRules(namespaceHashByNamespace(k8sNamespaceService, |
| 451 | policy.getMetadata().getNamespace()), white, install); |
Jian Li | 0f45961 | 2019-07-11 10:38:02 +0900 | [diff] [blame] | 452 | setBlackToRouteRules(true); |
Jian Li | 73d3b6a | 2019-07-08 18:07:53 +0900 | [diff] [blame] | 453 | } |
| 454 | |
Jian Li | cd93415 | 2019-07-28 21:35:49 +0900 | [diff] [blame] | 455 | private Set<Pod> podsFromPolicyPeer(NetworkPolicyPeer peer, String namespace) { |
| 456 | Set<Pod> pods = Sets.newConcurrentHashSet(); |
| 457 | if (peer.getPodSelector() != null) { |
| 458 | Map<String, String> podLabels = peer.getPodSelector().getMatchLabels(); |
| 459 | List<LabelSelectorRequirement> matchExps = peer.getPodSelector().getMatchExpressions(); |
| 460 | |
| 461 | if (podLabels == null && matchExps.size() == 0) { |
| 462 | k8sPodService.pods().stream() |
| 463 | .filter(pod -> pod.getMetadata().getNamespace().equals( |
| 464 | namespace)) |
| 465 | .forEach(pods::add); |
| 466 | } else { |
| 467 | k8sPodService.pods().stream() |
| 468 | .filter(pod -> pod.getMetadata().getNamespace().equals( |
| 469 | namespace)) |
| 470 | .forEach(pod -> { |
| 471 | pod.getMetadata().getLabels().forEach((k, v) -> { |
| 472 | if (podLabels != null && podLabels.get(k) != null && |
| 473 | podLabels.get(k).equals(v)) { |
| 474 | pods.add(pod); |
| 475 | } |
| 476 | }); |
| 477 | }); |
| 478 | } |
| 479 | } |
| 480 | return pods; |
| 481 | } |
| 482 | |
Jian Li | 73d3b6a | 2019-07-08 18:07:53 +0900 | [diff] [blame] | 483 | private void setAllowRulesByPod(Pod pod, boolean install) { |
Jian Li | 0f45961 | 2019-07-11 10:38:02 +0900 | [diff] [blame] | 484 | Map<String, Map<String, List<NetworkPolicyPort>>> |
| 485 | white = Maps.newConcurrentMap(); |
Jian Li | e1a5b8f | 2019-07-23 17:13:19 +0900 | [diff] [blame] | 486 | AtomicReference<NetworkPolicy> selectedPolicy = new AtomicReference<>(); |
| 487 | k8sNetworkPolicyService.networkPolicies().stream() |
| 488 | .filter(policy -> policy.getMetadata().getNamespace().equals( |
| 489 | pod.getMetadata().getNamespace())) |
| 490 | .forEach(policy -> { |
Jian Li | b7dfb5b | 2019-07-15 17:37:12 +0900 | [diff] [blame] | 491 | String podIp = pod.getStatus().getPodIP(); |
| 492 | |
Jian Li | 73d3b6a | 2019-07-08 18:07:53 +0900 | [diff] [blame] | 493 | policy.getSpec().getIngress().forEach(i -> { |
Jian Li | 0f45961 | 2019-07-11 10:38:02 +0900 | [diff] [blame] | 494 | Map<String, List<NetworkPolicyPort>> |
| 495 | direction = Maps.newConcurrentMap(); |
Jian Li | 73d3b6a | 2019-07-08 18:07:53 +0900 | [diff] [blame] | 496 | direction.put(DIRECTION_INGRESS, i.getPorts()); |
| 497 | i.getFrom().forEach(peer -> { |
Jian Li | 0f45961 | 2019-07-11 10:38:02 +0900 | [diff] [blame] | 498 | if (peer.getPodSelector() != null) { |
| 499 | Map<String, String> podLabels = peer.getPodSelector().getMatchLabels(); |
Jian Li | e1a5b8f | 2019-07-23 17:13:19 +0900 | [diff] [blame] | 500 | List<LabelSelectorRequirement> matchExps = peer.getPodSelector().getMatchExpressions(); |
Jian Li | 73d3b6a | 2019-07-08 18:07:53 +0900 | [diff] [blame] | 501 | |
Jian Li | e1a5b8f | 2019-07-23 17:13:19 +0900 | [diff] [blame] | 502 | if (podLabels == null && matchExps.size() == 0 && podIp != null) { |
| 503 | white.compute(shiftIpDomain(podIp, SHIFTED_IP_PREFIX) + |
| 504 | "/" + HOST_PREFIX, (m, n) -> direction); |
| 505 | white.compute(podIp + "/" + |
| 506 | HOST_PREFIX, (m, n) -> direction); |
| 507 | |
| 508 | selectedPolicy.set(policy); |
| 509 | } else { |
| 510 | pod.getMetadata().getLabels().forEach((k, v) -> { |
| 511 | if (podLabels != null && podLabels.get(k) != null && |
| 512 | podLabels.get(k).equals(v) && podIp != null) { |
| 513 | white.compute(shiftIpDomain(podIp, SHIFTED_IP_PREFIX) + |
| 514 | "/" + HOST_PREFIX, (m, n) -> direction); |
| 515 | white.compute(podIp + "/" + |
| 516 | HOST_PREFIX, (m, n) -> direction); |
| 517 | |
| 518 | selectedPolicy.set(policy); |
| 519 | } |
| 520 | }); |
Jian Li | 73d3b6a | 2019-07-08 18:07:53 +0900 | [diff] [blame] | 521 | } |
Jian Li | 0f45961 | 2019-07-11 10:38:02 +0900 | [diff] [blame] | 522 | } |
Jian Li | 73d3b6a | 2019-07-08 18:07:53 +0900 | [diff] [blame] | 523 | }); |
| 524 | }); |
| 525 | }); |
| 526 | |
Jian Li | e1a5b8f | 2019-07-23 17:13:19 +0900 | [diff] [blame] | 527 | k8sNetworkPolicyService.networkPolicies().stream() |
| 528 | .filter(policy -> policy.getMetadata().getNamespace().equals( |
| 529 | pod.getMetadata().getNamespace())) |
| 530 | .forEach(policy -> { |
Jian Li | b7dfb5b | 2019-07-15 17:37:12 +0900 | [diff] [blame] | 531 | String podIp = pod.getStatus().getPodIP(); |
| 532 | |
Jian Li | 73d3b6a | 2019-07-08 18:07:53 +0900 | [diff] [blame] | 533 | policy.getSpec().getEgress().forEach(e -> { |
| 534 | Map<String, List<NetworkPolicyPort>> direction = Maps.newConcurrentMap(); |
| 535 | direction.put(DIRECTION_EGRESS, e.getPorts()); |
Jian Li | 0f45961 | 2019-07-11 10:38:02 +0900 | [diff] [blame] | 536 | e.getTo().forEach(peer -> { |
| 537 | if (peer.getPodSelector() != null) { |
| 538 | Map<String, String> podLabels = peer.getPodSelector().getMatchLabels(); |
Jian Li | e1a5b8f | 2019-07-23 17:13:19 +0900 | [diff] [blame] | 539 | List<LabelSelectorRequirement> matchExps = peer.getPodSelector().getMatchExpressions(); |
Jian Li | 73d3b6a | 2019-07-08 18:07:53 +0900 | [diff] [blame] | 540 | |
Jian Li | e1a5b8f | 2019-07-23 17:13:19 +0900 | [diff] [blame] | 541 | if (podLabels == null && matchExps.size() == 0 && podIp != null) { |
| 542 | white.compute(shiftIpDomain(podIp, SHIFTED_IP_PREFIX) + |
| 543 | "/" + HOST_PREFIX, (m, n) -> { |
| 544 | if (n != null) { |
| 545 | n.put(DIRECTION_EGRESS, e.getPorts()); |
| 546 | return n; |
| 547 | } else { |
| 548 | return direction; |
| 549 | } |
| 550 | }); |
Jian Li | 73d3b6a | 2019-07-08 18:07:53 +0900 | [diff] [blame] | 551 | |
Jian Li | e1a5b8f | 2019-07-23 17:13:19 +0900 | [diff] [blame] | 552 | white.compute(podIp + "/" + |
| 553 | HOST_PREFIX, (m, n) -> { |
| 554 | if (n != null) { |
| 555 | n.put(DIRECTION_EGRESS, e.getPorts()); |
| 556 | return n; |
| 557 | } else { |
| 558 | return direction; |
| 559 | } |
| 560 | }); |
Jian Li | 0f45961 | 2019-07-11 10:38:02 +0900 | [diff] [blame] | 561 | |
Jian Li | e1a5b8f | 2019-07-23 17:13:19 +0900 | [diff] [blame] | 562 | selectedPolicy.set(policy); |
| 563 | } else { |
| 564 | pod.getMetadata().getLabels().forEach((k, v) -> { |
| 565 | if (podLabels != null && podLabels.get(k) != null && |
| 566 | podLabels.get(k).equals(v) && podIp != null) { |
| 567 | white.compute(shiftIpDomain(podIp, SHIFTED_IP_PREFIX) + |
| 568 | "/" + HOST_PREFIX, (m, n) -> { |
| 569 | if (n != null) { |
| 570 | n.put(DIRECTION_EGRESS, e.getPorts()); |
| 571 | return n; |
| 572 | } else { |
| 573 | return direction; |
| 574 | } |
| 575 | }); |
| 576 | |
| 577 | white.compute(podIp + "/" + |
| 578 | HOST_PREFIX, (m, n) -> { |
| 579 | if (n != null) { |
| 580 | n.put(DIRECTION_EGRESS, e.getPorts()); |
| 581 | return n; |
| 582 | } else { |
| 583 | return direction; |
| 584 | } |
| 585 | }); |
| 586 | |
| 587 | selectedPolicy.set(policy); |
| 588 | } |
| 589 | }); |
Jian Li | 73d3b6a | 2019-07-08 18:07:53 +0900 | [diff] [blame] | 590 | } |
Jian Li | 0f45961 | 2019-07-11 10:38:02 +0900 | [diff] [blame] | 591 | } |
Jian Li | 73d3b6a | 2019-07-08 18:07:53 +0900 | [diff] [blame] | 592 | }); |
| 593 | }); |
| 594 | }); |
| 595 | |
Jian Li | e1a5b8f | 2019-07-23 17:13:19 +0900 | [diff] [blame] | 596 | int nsHash = selectedPolicy.get() != null ? namespaceHashByNamespace(k8sNamespaceService, |
| 597 | selectedPolicy.get().getMetadata().getNamespace()) : DEFAULT_NAMESPACE_HASH; |
| 598 | |
| 599 | setAllowRules(nsHash, white, install); |
Jian Li | 0f45961 | 2019-07-11 10:38:02 +0900 | [diff] [blame] | 600 | setBlackToRouteRules(true); |
Jian Li | 73d3b6a | 2019-07-08 18:07:53 +0900 | [diff] [blame] | 601 | } |
| 602 | |
Jian Li | e1a5b8f | 2019-07-23 17:13:19 +0900 | [diff] [blame] | 603 | private Set<Namespace> namespacesByLabels(Map<String, String> labels) { |
| 604 | Set<Namespace> nsSet = Sets.newConcurrentHashSet(); |
Jian Li | 0f45961 | 2019-07-11 10:38:02 +0900 | [diff] [blame] | 605 | k8sNamespaceService.namespaces().forEach(ns -> { |
| 606 | if (ns != null && ns.getMetadata() != null && |
Jian Li | e1a5b8f | 2019-07-23 17:13:19 +0900 | [diff] [blame] | 607 | ns.getMetadata().getLabels() != null && labels != null) { |
Jian Li | 0f45961 | 2019-07-11 10:38:02 +0900 | [diff] [blame] | 608 | ns.getMetadata().getLabels().forEach((k, v) -> { |
Jian Li | e1a5b8f | 2019-07-23 17:13:19 +0900 | [diff] [blame] | 609 | if (labels.get(k) != null && labels.get(k).equals(v)) { |
| 610 | nsSet.add(ns); |
Jian Li | 0f45961 | 2019-07-11 10:38:02 +0900 | [diff] [blame] | 611 | } |
| 612 | }); |
| 613 | } |
| 614 | }); |
| 615 | |
Jian Li | e1a5b8f | 2019-07-23 17:13:19 +0900 | [diff] [blame] | 616 | return nsSet; |
Jian Li | 0f45961 | 2019-07-11 10:38:02 +0900 | [diff] [blame] | 617 | } |
| 618 | |
Jian Li | e1a5b8f | 2019-07-23 17:13:19 +0900 | [diff] [blame] | 619 | private Set<Namespace> namespacesByPolicyPeer(NetworkPolicyPeer peer) { |
| 620 | if (peer.getNamespaceSelector() != null) { |
| 621 | Map<String, String> labels = peer.getNamespaceSelector().getMatchLabels(); |
| 622 | if (labels == null || labels.size() == 0) { |
| 623 | // if none of match labels are specified, it means the |
| 624 | // target PODs are from any namespaces |
| 625 | return k8sNamespaceService.namespaces(); |
| 626 | } else { |
| 627 | return namespacesByLabels(labels); |
| 628 | } |
| 629 | } |
| 630 | |
| 631 | return Sets.newConcurrentHashSet(); |
| 632 | } |
| 633 | |
| 634 | private void setAllowNamespaceRules(int tunnelId, Set<Namespace> nsSet, |
| 635 | String direction, boolean install) { |
| 636 | |
| 637 | nsSet.forEach(ns -> { |
| 638 | setAllowNamespaceRulesBase(tunnelId, ns.hashCode(), direction, install); |
| 639 | }); |
Jian Li | e1a5b8f | 2019-07-23 17:13:19 +0900 | [diff] [blame] | 640 | } |
| 641 | |
| 642 | private void setAllowAllRule(int nsHash, String direction, boolean install) { |
| 643 | TrafficSelector.Builder sBuilder = DefaultTrafficSelector.builder() |
| 644 | .matchTunnelId(nsHash); |
Jian Li | b7dfb5b | 2019-07-15 17:37:12 +0900 | [diff] [blame] | 645 | TrafficTreatment.Builder tBuilder = DefaultTrafficTreatment.builder() |
Jian Li | e1a5b8f | 2019-07-23 17:13:19 +0900 | [diff] [blame] | 646 | .setTunnelId(DEFAULT_SEGMENT_ID) |
Jian Li | b7dfb5b | 2019-07-15 17:37:12 +0900 | [diff] [blame] | 647 | .transition(ROUTING_TABLE); |
| 648 | |
| 649 | int table = 0; |
| 650 | |
| 651 | if (DIRECTION_INGRESS.equalsIgnoreCase(direction)) { |
| 652 | table = ACL_INGRESS_WHITE_TABLE; |
Jian Li | b7dfb5b | 2019-07-15 17:37:12 +0900 | [diff] [blame] | 653 | } |
| 654 | |
Jian Li | e1a5b8f | 2019-07-23 17:13:19 +0900 | [diff] [blame] | 655 | setPolicyRulesBase(sBuilder, tBuilder, table, install); |
Jian Li | b7dfb5b | 2019-07-15 17:37:12 +0900 | [diff] [blame] | 656 | } |
| 657 | |
Jian Li | e1a5b8f | 2019-07-23 17:13:19 +0900 | [diff] [blame] | 658 | private void setAllowRules(int namespaceHash, |
| 659 | Map<String, Map<String, List<NetworkPolicyPort>>> white, |
Jian Li | 0f45961 | 2019-07-11 10:38:02 +0900 | [diff] [blame] | 660 | boolean install) { |
Jian Li | 73d3b6a | 2019-07-08 18:07:53 +0900 | [diff] [blame] | 661 | white.forEach((k, v) -> { |
| 662 | v.forEach((pk, pv) -> { |
| 663 | TrafficSelector.Builder sBuilder = DefaultTrafficSelector.builder() |
Jian Li | e1a5b8f | 2019-07-23 17:13:19 +0900 | [diff] [blame] | 664 | .matchTunnelId(namespaceHash) |
| 665 | .matchEthType(TYPE_IPV4); |
Jian Li | 73d3b6a | 2019-07-08 18:07:53 +0900 | [diff] [blame] | 666 | TrafficTreatment.Builder tBuilder = DefaultTrafficTreatment.builder(); |
Jian Li | e1a5b8f | 2019-07-23 17:13:19 +0900 | [diff] [blame] | 667 | tBuilder.setTunnelId(DEFAULT_SEGMENT_ID); |
| 668 | |
Jian Li | 73d3b6a | 2019-07-08 18:07:53 +0900 | [diff] [blame] | 669 | if (pk.equalsIgnoreCase(DIRECTION_INGRESS)) { |
Jian Li | 0f45961 | 2019-07-11 10:38:02 +0900 | [diff] [blame] | 670 | sBuilder.matchIPSrc(IpPrefix.valueOf(k)); |
| 671 | tBuilder.writeMetadata(k.hashCode(), DEFAULT_METADATA_MASK) |
| 672 | .transition(ACL_INGRESS_BLACK_TABLE); |
Jian Li | 73d3b6a | 2019-07-08 18:07:53 +0900 | [diff] [blame] | 673 | |
| 674 | if (pv.size() == 0) { |
Jian Li | e1a5b8f | 2019-07-23 17:13:19 +0900 | [diff] [blame] | 675 | setPolicyRulesBase(sBuilder, tBuilder, ACL_INGRESS_WHITE_TABLE, install); |
Jian Li | 73d3b6a | 2019-07-08 18:07:53 +0900 | [diff] [blame] | 676 | } else { |
| 677 | pv.forEach(p -> { |
| 678 | if (p.getProtocol().equalsIgnoreCase(PROTOCOL_TCP)) { |
| 679 | sBuilder.matchIPProtocol(IPv4.PROTOCOL_TCP); |
Jian Li | b7dfb5b | 2019-07-15 17:37:12 +0900 | [diff] [blame] | 680 | |
| 681 | if (p.getPort() != null && |
| 682 | p.getPort().getIntVal() != null) { |
| 683 | sBuilder.matchTcpDst(TpPort.tpPort(p.getPort().getIntVal())); |
| 684 | } |
Jian Li | 73d3b6a | 2019-07-08 18:07:53 +0900 | [diff] [blame] | 685 | } |
| 686 | if (p.getProtocol().equalsIgnoreCase(PROTOCOL_UDP)) { |
| 687 | sBuilder.matchIPProtocol(IPv4.PROTOCOL_UDP); |
Jian Li | b7dfb5b | 2019-07-15 17:37:12 +0900 | [diff] [blame] | 688 | |
| 689 | if (p.getPort() != null && |
| 690 | p.getPort().getIntVal() != null) { |
| 691 | sBuilder.matchUdpDst(TpPort.tpPort(p.getPort().getIntVal())); |
| 692 | } |
Jian Li | 73d3b6a | 2019-07-08 18:07:53 +0900 | [diff] [blame] | 693 | } |
| 694 | |
Jian Li | e1a5b8f | 2019-07-23 17:13:19 +0900 | [diff] [blame] | 695 | setPolicyRulesBase(sBuilder, tBuilder, ACL_INGRESS_WHITE_TABLE, install); |
| 696 | }); |
| 697 | } |
| 698 | } else if (pk.equalsIgnoreCase(DIRECTION_EGRESS)) { |
| 699 | sBuilder.matchIPDst(IpPrefix.valueOf(k)); |
| 700 | tBuilder.writeMetadata(k.hashCode(), DEFAULT_METADATA_MASK) |
| 701 | .transition(ACL_EGRESS_BLACK_TABLE); |
| 702 | |
| 703 | if (pv.size() == 0) { |
| 704 | setPolicyRulesBase(sBuilder, tBuilder, ACL_EGRESS_WHITE_TABLE, install); |
| 705 | } else { |
| 706 | pv.forEach(p -> { |
| 707 | if (p.getProtocol().equalsIgnoreCase(PROTOCOL_TCP)) { |
| 708 | sBuilder.matchIPProtocol(IPv4.PROTOCOL_TCP); |
| 709 | |
| 710 | if (p.getPort() != null && |
| 711 | p.getPort().getIntVal() != null) { |
| 712 | sBuilder.matchTcpSrc(TpPort.tpPort(p.getPort().getIntVal())); |
| 713 | } |
| 714 | } |
| 715 | if (p.getProtocol().equalsIgnoreCase(PROTOCOL_UDP)) { |
| 716 | sBuilder.matchIPProtocol(IPv4.PROTOCOL_UDP); |
| 717 | |
| 718 | if (p.getPort() != null && |
| 719 | p.getPort().getIntVal() != null) { |
| 720 | sBuilder.matchUdpSrc(TpPort.tpPort(p.getPort().getIntVal())); |
| 721 | } |
| 722 | } |
| 723 | setPolicyRulesBase(sBuilder, tBuilder, ACL_EGRESS_WHITE_TABLE, install); |
Jian Li | 73d3b6a | 2019-07-08 18:07:53 +0900 | [diff] [blame] | 724 | }); |
| 725 | } |
| 726 | |
| 727 | } else { |
| 728 | log.error("In correct direction has been specified at network policy."); |
| 729 | } |
| 730 | }); |
| 731 | }); |
| 732 | } |
| 733 | |
Jian Li | e1a5b8f | 2019-07-23 17:13:19 +0900 | [diff] [blame] | 734 | private void setPolicyRulesBase(TrafficSelector.Builder sBuilder, |
| 735 | TrafficTreatment.Builder tBuilder, |
| 736 | int table, |
| 737 | boolean install) { |
| 738 | k8sNodeService.completeNodes().forEach(n -> { |
| 739 | k8sFlowRuleService.setRule( |
| 740 | appId, |
| 741 | n.intgBridge(), |
| 742 | sBuilder.build(), |
| 743 | tBuilder.build(), |
| 744 | PRIORITY_CIDR_RULE, |
| 745 | table, |
| 746 | install |
| 747 | ); |
| 748 | }); |
| 749 | } |
| 750 | |
Jian Li | 0f45961 | 2019-07-11 10:38:02 +0900 | [diff] [blame] | 751 | private void setBlackRules(String whiteIpCidr, String direction, |
| 752 | List<String> except, boolean install) { |
| 753 | k8sNodeService.completeNodes().forEach(n -> { |
| 754 | except.forEach(blkIp -> { |
| 755 | TrafficSelector.Builder sBuilder = DefaultTrafficSelector.builder() |
Jian Li | e1a5b8f | 2019-07-23 17:13:19 +0900 | [diff] [blame] | 756 | .matchEthType(TYPE_IPV4) |
Jian Li | 0f45961 | 2019-07-11 10:38:02 +0900 | [diff] [blame] | 757 | .matchMetadata(whiteIpCidr.hashCode()); |
| 758 | TrafficTreatment.Builder tBuilder = DefaultTrafficTreatment.builder() |
| 759 | .drop(); |
| 760 | int table = 0; |
| 761 | if (direction.equalsIgnoreCase(DIRECTION_INGRESS)) { |
| 762 | sBuilder.matchIPSrc(IpPrefix.valueOf(blkIp)); |
| 763 | table = ACL_INGRESS_BLACK_TABLE; |
| 764 | } |
| 765 | if (direction.equalsIgnoreCase(DIRECTION_EGRESS)) { |
| 766 | sBuilder.matchIPDst(IpPrefix.valueOf(blkIp)); |
| 767 | table = ACL_EGRESS_BLACK_TABLE; |
| 768 | } |
| 769 | |
Jian Li | e1a5b8f | 2019-07-23 17:13:19 +0900 | [diff] [blame] | 770 | setPolicyRulesBase(sBuilder, tBuilder, table, install); |
Jian Li | 0f45961 | 2019-07-11 10:38:02 +0900 | [diff] [blame] | 771 | }); |
| 772 | }); |
| 773 | } |
| 774 | |
| 775 | private void setBlackToRouteRules(boolean install) { |
| 776 | |
| 777 | k8sNodeService.completeNodes().forEach(n -> { |
| 778 | ImmutableSet.of(ACL_INGRESS_BLACK_TABLE, ACL_EGRESS_BLACK_TABLE).forEach(t -> { |
| 779 | k8sFlowRuleService.setRule( |
| 780 | appId, |
| 781 | n.intgBridge(), |
| 782 | DefaultTrafficSelector.builder().build(), |
Jian Li | e1a5b8f | 2019-07-23 17:13:19 +0900 | [diff] [blame] | 783 | DefaultTrafficTreatment.builder() |
| 784 | .transition(ROUTING_TABLE).build(), |
Jian Li | 0f45961 | 2019-07-11 10:38:02 +0900 | [diff] [blame] | 785 | 0, |
| 786 | t, |
| 787 | install |
| 788 | ); |
| 789 | }); |
| 790 | }); |
| 791 | } |
| 792 | |
Jian Li | e1a5b8f | 2019-07-23 17:13:19 +0900 | [diff] [blame] | 793 | private void setNamespaceRulesByPod(Pod pod, boolean install) { |
| 794 | String podIp = pod.getStatus().getPodIP(); |
| 795 | |
| 796 | if (podIp == null) { |
| 797 | return; |
| 798 | } |
| 799 | |
| 800 | Integer nsHash = namespaceHashByPodIp(k8sPodService, k8sNamespaceService, podIp); |
| 801 | |
Jian Li | c886b64 | 2019-07-30 19:12:07 +0900 | [diff] [blame] | 802 | // in uninstall case, we will have null nsHash value |
| 803 | if (install && nsHash == null) { |
Jian Li | e1a5b8f | 2019-07-23 17:13:19 +0900 | [diff] [blame] | 804 | return; |
| 805 | } |
| 806 | |
| 807 | setNamespaceRulesBase(podIp, nsHash, install); |
| 808 | } |
| 809 | |
| 810 | private void setNamespaceRulesByService(Service service, boolean install) { |
| 811 | String clusterIp = service.getSpec().getClusterIP(); |
| 812 | |
| 813 | if (clusterIp == null) { |
| 814 | return; |
| 815 | } |
| 816 | |
Jian Li | c51f187 | 2019-12-24 15:02:05 +0900 | [diff] [blame] | 817 | // one the creating of new service, the cluster IP will be configured as None |
| 818 | // in this case, we will NOT install any namespace related rules |
| 819 | if (DEFAULT_SERVICE_IP_NONE.equalsIgnoreCase(clusterIp)) { |
| 820 | return; |
| 821 | } |
| 822 | |
Jian Li | e1a5b8f | 2019-07-23 17:13:19 +0900 | [diff] [blame] | 823 | setNamespaceRulesBase(clusterIp, namespaceHashByServiceIp(k8sServiceService, |
| 824 | k8sNamespaceService, clusterIp), install); |
| 825 | } |
| 826 | |
| 827 | private void setNamespaceRulesBase(String ip, Integer nsHash, boolean install) { |
| 828 | |
| 829 | k8sNodeService.completeNodes().forEach(n -> { |
| 830 | TrafficSelector.Builder origBuilder = DefaultTrafficSelector.builder() |
| 831 | .matchEthType(TYPE_IPV4) |
| 832 | .matchIPSrc(IpPrefix.valueOf(IpAddress.valueOf(ip), HOST_PREFIX)); |
| 833 | TrafficSelector.Builder convBuilder = DefaultTrafficSelector.builder() |
| 834 | .matchEthType(TYPE_IPV4) |
| 835 | .matchIPSrc(IpPrefix.valueOf(IpAddress.valueOf( |
| 836 | shiftIpDomain(ip, SHIFTED_IP_PREFIX)), HOST_PREFIX)); |
Jian Li | c886b64 | 2019-07-30 19:12:07 +0900 | [diff] [blame] | 837 | TrafficTreatment.Builder tBuilder = DefaultTrafficTreatment.builder(); |
| 838 | |
| 839 | if (install) { |
| 840 | tBuilder.writeMetadata(nsHash, DEFAULT_METADATA_MASK) |
| 841 | .transition(GROUPING_TABLE); |
| 842 | } |
Jian Li | e1a5b8f | 2019-07-23 17:13:19 +0900 | [diff] [blame] | 843 | |
| 844 | k8sFlowRuleService.setRule( |
| 845 | appId, |
| 846 | n.intgBridge(), |
| 847 | origBuilder.build(), |
| 848 | tBuilder.build(), |
| 849 | PRIORITY_NAMESPACE_RULE, |
| 850 | NAMESPACE_TABLE, |
| 851 | install |
| 852 | ); |
| 853 | |
| 854 | k8sFlowRuleService.setRule( |
| 855 | appId, |
| 856 | n.intgBridge(), |
| 857 | convBuilder.build(), |
| 858 | tBuilder.build(), |
| 859 | PRIORITY_NAMESPACE_RULE, |
| 860 | NAMESPACE_TABLE, |
| 861 | install |
| 862 | ); |
| 863 | }); |
| 864 | } |
| 865 | |
| 866 | private class InternalServiceListener implements K8sServiceListener { |
| 867 | |
| 868 | private boolean isRelevantHelper() { |
| 869 | return Objects.equals(localNodeId, leadershipService.getLeader(appId.name())); |
| 870 | } |
| 871 | |
| 872 | @Override |
| 873 | public void event(K8sServiceEvent event) { |
| 874 | Service service = event.subject(); |
| 875 | switch (event.type()) { |
| 876 | case K8S_SERVICE_CREATED: |
| 877 | case K8S_SERVICE_UPDATED: |
| 878 | eventExecutor.execute(() -> processServiceCreation(service)); |
| 879 | break; |
| 880 | case K8S_SERVICE_REMOVED: |
| 881 | eventExecutor.execute(() -> processServiceRemoval(service)); |
| 882 | break; |
| 883 | default: |
| 884 | break; |
| 885 | } |
| 886 | } |
| 887 | |
| 888 | private void processServiceCreation(Service service) { |
| 889 | if (!isRelevantHelper()) { |
| 890 | return; |
| 891 | } |
| 892 | |
| 893 | setNamespaceRulesByService(service, true); |
| 894 | } |
| 895 | |
| 896 | private void processServiceRemoval(Service service) { |
| 897 | if (!isRelevantHelper()) { |
| 898 | return; |
| 899 | } |
| 900 | |
| 901 | setNamespaceRulesByService(service, false); |
| 902 | } |
| 903 | } |
| 904 | |
Jian Li | 73d3b6a | 2019-07-08 18:07:53 +0900 | [diff] [blame] | 905 | private class InternalPodListener implements K8sPodListener { |
| 906 | |
| 907 | private boolean isRelevantHelper() { |
| 908 | return Objects.equals(localNodeId, leadershipService.getLeader(appId.name())); |
| 909 | } |
| 910 | |
| 911 | @Override |
| 912 | public void event(K8sPodEvent event) { |
| 913 | Pod pod = event.subject(); |
| 914 | switch (event.type()) { |
| 915 | case K8S_POD_CREATED: |
| 916 | case K8S_POD_UPDATED: |
| 917 | eventExecutor.execute(() -> processPodCreation(pod)); |
| 918 | break; |
| 919 | case K8S_POD_REMOVED: |
| 920 | eventExecutor.execute(() -> processPodRemoval(pod)); |
| 921 | break; |
| 922 | default: |
| 923 | break; |
| 924 | } |
| 925 | } |
| 926 | |
| 927 | private void processPodCreation(Pod pod) { |
| 928 | if (!isRelevantHelper()) { |
| 929 | return; |
| 930 | } |
| 931 | |
| 932 | setBlockRulesByPod(pod, true); |
| 933 | setAllowRulesByPod(pod, true); |
Jian Li | e1a5b8f | 2019-07-23 17:13:19 +0900 | [diff] [blame] | 934 | setNamespaceRulesByPod(pod, true); |
Jian Li | 73d3b6a | 2019-07-08 18:07:53 +0900 | [diff] [blame] | 935 | } |
| 936 | |
| 937 | private void processPodRemoval(Pod pod) { |
| 938 | if (!isRelevantHelper()) { |
| 939 | return; |
| 940 | } |
| 941 | |
| 942 | setBlockRulesByPod(pod, false); |
| 943 | setAllowRulesByPod(pod, false); |
Jian Li | e1a5b8f | 2019-07-23 17:13:19 +0900 | [diff] [blame] | 944 | setNamespaceRulesByPod(pod, false); |
Jian Li | 73d3b6a | 2019-07-08 18:07:53 +0900 | [diff] [blame] | 945 | } |
| 946 | } |
| 947 | |
| 948 | private class InternalNetworkPolicyListener implements K8sNetworkPolicyListener { |
| 949 | |
| 950 | private boolean isRelevantHelper() { |
| 951 | return Objects.equals(localNodeId, leadershipService.getLeader(appId.name())); |
| 952 | } |
| 953 | |
| 954 | @Override |
| 955 | public void event(K8sNetworkPolicyEvent event) { |
| 956 | NetworkPolicy policy = event.subject(); |
| 957 | switch (event.type()) { |
| 958 | case K8S_NETWORK_POLICY_CREATED: |
| 959 | case K8S_NETWORK_POLICY_UPDATED: |
| 960 | eventExecutor.execute(() -> processNetworkPolicyCreation(policy)); |
| 961 | break; |
| 962 | case K8S_NETWORK_POLICY_REMOVED: |
| 963 | eventExecutor.execute(() -> processNetworkPolicyRemoval(policy)); |
| 964 | break; |
| 965 | default: |
| 966 | break; |
| 967 | } |
| 968 | } |
| 969 | |
| 970 | private void processNetworkPolicyCreation(NetworkPolicy policy) { |
| 971 | if (!isRelevantHelper()) { |
| 972 | return; |
| 973 | } |
| 974 | |
| 975 | setBlockRulesByPolicy(policy, true); |
| 976 | setAllowRulesByPolicy(policy, true); |
| 977 | } |
| 978 | |
| 979 | private void processNetworkPolicyRemoval(NetworkPolicy policy) { |
| 980 | if (!isRelevantHelper()) { |
| 981 | return; |
| 982 | } |
| 983 | |
| 984 | setBlockRulesByPolicy(policy, false); |
| 985 | setAllowRulesByPolicy(policy, false); |
| 986 | } |
| 987 | } |
Jian Li | e1a5b8f | 2019-07-23 17:13:19 +0900 | [diff] [blame] | 988 | |
| 989 | private class InternalNamespaceListener implements K8sNamespaceListener { |
| 990 | |
| 991 | private boolean isRelevantHelper() { |
| 992 | return Objects.equals(localNodeId, leadershipService.getLeader(appId.name())); |
| 993 | } |
| 994 | |
| 995 | @Override |
| 996 | public void event(K8sNamespaceEvent event) { |
| 997 | Namespace ns = event.subject(); |
| 998 | switch (event.type()) { |
| 999 | case K8S_NAMESPACE_CREATED: |
Jian Li | e1a5b8f | 2019-07-23 17:13:19 +0900 | [diff] [blame] | 1000 | eventExecutor.execute(() -> processNamespaceCreation(ns)); |
| 1001 | break; |
| 1002 | case K8S_NAMESPACE_REMOVED: |
| 1003 | eventExecutor.execute(() -> processNamespaceRemoval(ns)); |
| 1004 | break; |
| 1005 | default: |
| 1006 | break; |
| 1007 | } |
| 1008 | } |
| 1009 | |
| 1010 | private void processNamespaceCreation(Namespace namespace) { |
| 1011 | if (!isRelevantHelper()) { |
| 1012 | return; |
| 1013 | } |
| 1014 | |
| 1015 | setDefaultAllowNamespaceRules(namespace, true); |
| 1016 | setDefaultAllowServiceRules(true); |
| 1017 | } |
| 1018 | |
| 1019 | private void processNamespaceRemoval(Namespace namespace) { |
| 1020 | if (!isRelevantHelper()) { |
| 1021 | return; |
| 1022 | } |
| 1023 | |
Jian Li | c886b64 | 2019-07-30 19:12:07 +0900 | [diff] [blame] | 1024 | setDefaultAllowNamespaceRules(namespace, false); |
Jian Li | e1a5b8f | 2019-07-23 17:13:19 +0900 | [diff] [blame] | 1025 | } |
| 1026 | } |
Jian Li | 73d3b6a | 2019-07-08 18:07:53 +0900 | [diff] [blame] | 1027 | } |