Jian Li | 4b5048a | 2020-10-08 02:57:45 +0900 | [diff] [blame^] | 1 | /* |
| 2 | * Copyright 2020-present Open Networking Foundation |
| 3 | * |
| 4 | * Licensed under the Apache License, Version 2.0 (the "License"); |
| 5 | * you may not use this file except in compliance with the License. |
| 6 | * You may obtain a copy of the License at |
| 7 | * |
| 8 | * http://www.apache.org/licenses/LICENSE-2.0 |
| 9 | * |
| 10 | * Unless required by applicable law or agreed to in writing, software |
| 11 | * distributed under the License is distributed on an "AS IS" BASIS, |
| 12 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| 13 | * See the License for the specific language governing permissions and |
| 14 | * limitations under the License. |
| 15 | */ |
| 16 | package org.onosproject.openstacknetworking.impl; |
| 17 | |
| 18 | |
| 19 | import org.onlab.packet.Ethernet; |
| 20 | import org.onlab.packet.IpAddress; |
| 21 | import org.onlab.packet.IpPrefix; |
| 22 | import org.onlab.packet.MacAddress; |
| 23 | import org.onosproject.core.ApplicationId; |
| 24 | import org.onosproject.core.CoreService; |
| 25 | import org.onosproject.net.DeviceId; |
| 26 | import org.onosproject.net.PortNumber; |
| 27 | import org.onosproject.net.flow.DefaultTrafficSelector; |
| 28 | import org.onosproject.net.flow.DefaultTrafficTreatment; |
| 29 | import org.onosproject.net.flow.TrafficSelector; |
| 30 | import org.onosproject.net.flow.TrafficTreatment; |
| 31 | import org.onosproject.openstacknetworking.api.Constants; |
| 32 | import org.onosproject.openstacknetworking.api.InstancePort; |
| 33 | import org.onosproject.openstacknetworking.api.InstancePortService; |
| 34 | import org.onosproject.openstacknetworking.api.OpenstackFlowRuleService; |
| 35 | import org.onosproject.openstacknetworking.api.OpenstackGroupRuleService; |
| 36 | import org.onosproject.openstacknetworking.api.OpenstackK8sIntegrationService; |
| 37 | import org.onosproject.openstacknetworking.api.OpenstackNetwork; |
| 38 | import org.onosproject.openstacknetworking.api.OpenstackNetworkService; |
| 39 | import org.onosproject.openstacknode.api.OpenstackNode; |
| 40 | import org.onosproject.openstacknode.api.OpenstackNodeService; |
| 41 | import org.osgi.service.component.annotations.Activate; |
| 42 | import org.osgi.service.component.annotations.Component; |
| 43 | import org.osgi.service.component.annotations.Deactivate; |
| 44 | import org.osgi.service.component.annotations.Reference; |
| 45 | import org.osgi.service.component.annotations.ReferenceCardinality; |
| 46 | import org.slf4j.Logger; |
| 47 | |
| 48 | import static org.onosproject.openstacknetworking.api.Constants.DHCP_TABLE; |
| 49 | import static org.onosproject.openstacknetworking.api.Constants.FLAT_TABLE; |
| 50 | import static org.onosproject.openstacknetworking.api.Constants.PRIORITY_CNI_PT_IP_RULE; |
| 51 | import static org.onosproject.openstacknetworking.api.Constants.STAT_FLAT_OUTBOUND_TABLE; |
| 52 | import static org.onosproject.openstacknetworking.api.OpenstackNetwork.Type.FLAT; |
| 53 | import static org.onosproject.openstacknetworking.util.OpenstackNetworkingUtil.shiftIpDomain; |
| 54 | import static org.slf4j.LoggerFactory.getLogger; |
| 55 | |
| 56 | /** |
| 57 | * Implementation of openstack kubernetes integration service. |
| 58 | */ |
| 59 | |
| 60 | @Component( |
| 61 | immediate = true, |
| 62 | service = { OpenstackK8sIntegrationService.class } |
| 63 | ) |
| 64 | public class OpenstackK8sIntegrationManager implements OpenstackK8sIntegrationService { |
| 65 | |
| 66 | protected final Logger log = getLogger(getClass()); |
| 67 | |
| 68 | public static final String SHIFTED_IP_PREFIX = "172.10"; |
| 69 | |
| 70 | @Reference(cardinality = ReferenceCardinality.MANDATORY) |
| 71 | protected CoreService coreService; |
| 72 | |
| 73 | @Reference(cardinality = ReferenceCardinality.MANDATORY) |
| 74 | protected OpenstackFlowRuleService osFlowRuleService; |
| 75 | |
| 76 | @Reference(cardinality = ReferenceCardinality.MANDATORY) |
| 77 | protected OpenstackGroupRuleService osGroupRuleService; |
| 78 | |
| 79 | @Reference(cardinality = ReferenceCardinality.MANDATORY) |
| 80 | protected OpenstackNodeService osNodeService; |
| 81 | |
| 82 | @Reference(cardinality = ReferenceCardinality.MANDATORY) |
| 83 | protected OpenstackNetworkService osNetworkService; |
| 84 | |
| 85 | @Reference(cardinality = ReferenceCardinality.MANDATORY) |
| 86 | protected InstancePortService instancePortService; |
| 87 | |
| 88 | private ApplicationId appId; |
| 89 | |
| 90 | @Activate |
| 91 | protected void activate() { |
| 92 | appId = coreService.registerApplication(Constants.OPENSTACK_NETWORKING_APP_ID); |
| 93 | |
| 94 | log.info("Started"); |
| 95 | } |
| 96 | |
| 97 | @Deactivate |
| 98 | protected void deactivate() { |
| 99 | log.info("Stopped"); |
| 100 | } |
| 101 | |
| 102 | @Override |
| 103 | public void installCniPtNodeRules(IpAddress k8sNodeIp, |
| 104 | IpPrefix podCidr, IpPrefix serviceCidr, |
| 105 | IpAddress podGatewayIp, String osK8sIntPortName, |
| 106 | MacAddress k8sIntOsPortMac) { |
| 107 | setNodeToPodIpRules(k8sNodeIp, podCidr, serviceCidr, |
| 108 | podGatewayIp, osK8sIntPortName, k8sIntOsPortMac, true); |
| 109 | setPodToNodeIpRules(k8sNodeIp, podGatewayIp, osK8sIntPortName, true); |
| 110 | } |
| 111 | |
| 112 | @Override |
| 113 | public void uninstallCniPtNodeRules(IpAddress k8sNodeIp, |
| 114 | IpPrefix podCidr, IpPrefix serviceCidr, |
| 115 | IpAddress podGatewayIp, String osK8sIntPortName, |
| 116 | MacAddress k8sIntOsPortMac) { |
| 117 | setNodeToPodIpRules(k8sNodeIp, podCidr, serviceCidr, |
| 118 | podGatewayIp, osK8sIntPortName, k8sIntOsPortMac, false); |
| 119 | setPodToNodeIpRules(k8sNodeIp, podGatewayIp, osK8sIntPortName, false); |
| 120 | } |
| 121 | |
| 122 | private void setNodeToPodIpRules(IpAddress k8sNodeIp, |
| 123 | IpPrefix podCidr, IpPrefix serviceCidr, |
| 124 | IpAddress gatewayIp, String osK8sIntPortName, |
| 125 | MacAddress k8sIntOsPortMac, boolean install) { |
| 126 | |
| 127 | InstancePort instPort = instancePortService.instancePorts().stream().filter(p -> { |
| 128 | OpenstackNetwork.Type netType = osNetworkService.networkType(p.networkId()); |
| 129 | return netType == FLAT && p.ipAddress().equals(k8sNodeIp); |
| 130 | }).findAny().orElse(null); |
| 131 | |
| 132 | if (instPort == null) { |
| 133 | return; |
| 134 | } |
| 135 | |
| 136 | DeviceId deviceId = instPort.deviceId(); |
| 137 | OpenstackNode osNode = osNodeService.node(deviceId); |
| 138 | |
| 139 | if (osNode == null) { |
| 140 | return; |
| 141 | } |
| 142 | |
| 143 | PortNumber osK8sIntPortNum = osNode.portNumByName(osK8sIntPortName); |
| 144 | |
| 145 | if (osK8sIntPortNum == null) { |
| 146 | return; |
| 147 | } |
| 148 | |
| 149 | TrafficSelector originalPodSelector = DefaultTrafficSelector.builder() |
| 150 | .matchEthType(Ethernet.TYPE_IPV4) |
| 151 | .matchIPSrc(IpPrefix.valueOf(k8sNodeIp, 32)) |
| 152 | .matchIPDst(podCidr) |
| 153 | .build(); |
| 154 | |
| 155 | TrafficSelector transformedPodSelector = DefaultTrafficSelector.builder() |
| 156 | .matchEthType(Ethernet.TYPE_IPV4) |
| 157 | .matchIPSrc(IpPrefix.valueOf(k8sNodeIp, 32)) |
| 158 | .matchIPDst(IpPrefix.valueOf(shiftIpDomain(podCidr.toString(), SHIFTED_IP_PREFIX))) |
| 159 | .build(); |
| 160 | |
| 161 | TrafficSelector serviceSelector = DefaultTrafficSelector.builder() |
| 162 | .matchEthType(Ethernet.TYPE_IPV4) |
| 163 | .matchIPSrc(IpPrefix.valueOf(k8sNodeIp, 32)) |
| 164 | .matchIPDst(serviceCidr) |
| 165 | .build(); |
| 166 | |
| 167 | TrafficTreatment treatment = DefaultTrafficTreatment.builder() |
| 168 | .setIpSrc(gatewayIp) |
| 169 | .setEthSrc(k8sIntOsPortMac) |
| 170 | .setOutput(osK8sIntPortNum) |
| 171 | .build(); |
| 172 | |
| 173 | osFlowRuleService.setRule( |
| 174 | appId, |
| 175 | osNode.intgBridge(), |
| 176 | originalPodSelector, |
| 177 | treatment, |
| 178 | PRIORITY_CNI_PT_IP_RULE, |
| 179 | FLAT_TABLE, |
| 180 | install |
| 181 | ); |
| 182 | |
| 183 | osFlowRuleService.setRule( |
| 184 | appId, |
| 185 | osNode.intgBridge(), |
| 186 | transformedPodSelector, |
| 187 | treatment, |
| 188 | PRIORITY_CNI_PT_IP_RULE, |
| 189 | FLAT_TABLE, |
| 190 | install |
| 191 | ); |
| 192 | |
| 193 | osFlowRuleService.setRule( |
| 194 | appId, |
| 195 | osNode.intgBridge(), |
| 196 | serviceSelector, |
| 197 | treatment, |
| 198 | PRIORITY_CNI_PT_IP_RULE, |
| 199 | FLAT_TABLE, |
| 200 | install |
| 201 | ); |
| 202 | } |
| 203 | |
| 204 | private void setPodToNodeIpRules(IpAddress k8sNodeIp, IpAddress gatewayIp, |
| 205 | String osK8sIntPortName, boolean install) { |
| 206 | InstancePort instPort = instancePortService.instancePorts().stream().filter(p -> { |
| 207 | OpenstackNetwork.Type netType = osNetworkService.networkType(p.networkId()); |
| 208 | return netType == FLAT && p.ipAddress().equals(k8sNodeIp); |
| 209 | }).findAny().orElse(null); |
| 210 | |
| 211 | if (instPort == null) { |
| 212 | return; |
| 213 | } |
| 214 | |
| 215 | DeviceId deviceId = instPort.deviceId(); |
| 216 | OpenstackNode osNode = osNodeService.node(deviceId); |
| 217 | |
| 218 | if (osNode == null) { |
| 219 | return; |
| 220 | } |
| 221 | |
| 222 | PortNumber osK8sIntPortNum = osNode.portNumByName(osK8sIntPortName); |
| 223 | |
| 224 | if (osK8sIntPortNum == null) { |
| 225 | return; |
| 226 | } |
| 227 | |
| 228 | TrafficSelector selector = DefaultTrafficSelector.builder() |
| 229 | .matchEthType(Ethernet.TYPE_IPV4) |
| 230 | .matchIPDst(IpPrefix.valueOf(gatewayIp, 32)) |
| 231 | .matchInPort(osK8sIntPortNum) |
| 232 | .build(); |
| 233 | |
| 234 | TrafficTreatment treatment = DefaultTrafficTreatment.builder() |
| 235 | .setIpDst(k8sNodeIp) |
| 236 | .setEthDst(instPort.macAddress()) |
| 237 | .transition(STAT_FLAT_OUTBOUND_TABLE) |
| 238 | .build(); |
| 239 | |
| 240 | osFlowRuleService.setRule( |
| 241 | appId, |
| 242 | osNode.intgBridge(), |
| 243 | selector, |
| 244 | treatment, |
| 245 | PRIORITY_CNI_PT_IP_RULE, |
| 246 | DHCP_TABLE, |
| 247 | install |
| 248 | ); |
| 249 | } |
| 250 | } |