Mohammad Shahid | 4c30ea3 | 2017-08-09 18:02:10 +0530 | [diff] [blame] | 1 | /* |
| 2 | * Copyright 2017-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 | |
| 17 | package org.onosproject.evpnopenflow.rsc.vpninstance.impl; |
| 18 | |
| 19 | import com.fasterxml.jackson.databind.JsonNode; |
| 20 | import com.google.common.collect.Sets; |
| 21 | import org.apache.felix.scr.annotations.Activate; |
| 22 | import org.apache.felix.scr.annotations.Component; |
| 23 | import org.apache.felix.scr.annotations.Deactivate; |
| 24 | import org.apache.felix.scr.annotations.Reference; |
| 25 | import org.apache.felix.scr.annotations.ReferenceCardinality; |
| 26 | import org.apache.felix.scr.annotations.Service; |
| 27 | import org.onlab.util.KryoNamespace; |
| 28 | import org.onosproject.core.ApplicationId; |
| 29 | import org.onosproject.core.CoreService; |
| 30 | import org.onosproject.evpnopenflow.rsc.DefaultVpnInstance; |
| 31 | import org.onosproject.evpnopenflow.rsc.VpnAfConfig; |
| 32 | import org.onosproject.evpnopenflow.rsc.VpnInstance; |
| 33 | import org.onosproject.evpnopenflow.rsc.VpnInstanceId; |
| 34 | import org.onosproject.evpnopenflow.rsc.vpnafconfig.VpnAfConfigService; |
| 35 | import org.onosproject.evpnopenflow.rsc.vpninstance.VpnInstanceService; |
| 36 | import org.onosproject.incubator.net.routing.EvpnInstanceName; |
Ray Milkey | 69ec871 | 2017-08-08 13:00:43 -0700 | [diff] [blame] | 37 | import org.onosproject.routeservice.RouteAdminService; |
Mohammad Shahid | 4c30ea3 | 2017-08-09 18:02:10 +0530 | [diff] [blame] | 38 | import org.onosproject.incubator.net.routing.RouteDistinguisher; |
| 39 | import org.onosproject.incubator.net.routing.VpnRouteTarget; |
| 40 | import org.onosproject.store.serializers.KryoNamespaces; |
| 41 | import org.onosproject.store.service.EventuallyConsistentMap; |
| 42 | import org.onosproject.store.service.StorageService; |
| 43 | import org.onosproject.store.service.WallClockTimestamp; |
| 44 | import org.slf4j.Logger; |
| 45 | import org.slf4j.LoggerFactory; |
| 46 | |
| 47 | import java.util.Collection; |
| 48 | import java.util.Collections; |
| 49 | import java.util.HashMap; |
| 50 | import java.util.HashSet; |
| 51 | import java.util.Map; |
| 52 | import java.util.Set; |
| 53 | |
| 54 | import static com.google.common.base.Preconditions.checkNotNull; |
| 55 | import static org.onosproject.evpnopenflow.rsc.EvpnConstants.APP_ID; |
| 56 | import static org.onosproject.evpnopenflow.rsc.EvpnConstants.COMMA; |
| 57 | import static org.onosproject.evpnopenflow.rsc.EvpnConstants.DELETE; |
| 58 | import static org.onosproject.evpnopenflow.rsc.EvpnConstants.DESCRIPTION; |
| 59 | import static org.onosproject.evpnopenflow.rsc.EvpnConstants.EVPN_VPN_INSTANCE_START; |
| 60 | import static org.onosproject.evpnopenflow.rsc.EvpnConstants.EVPN_VPN_INSTANCE_STOP; |
| 61 | import static org.onosproject.evpnopenflow.rsc.EvpnConstants.ID; |
| 62 | import static org.onosproject.evpnopenflow.rsc.EvpnConstants.INSTANCE_ID; |
| 63 | import static org.onosproject.evpnopenflow.rsc.EvpnConstants.IPV4_FAMILY; |
| 64 | import static org.onosproject.evpnopenflow.rsc.EvpnConstants.JSON_NOT_NULL; |
| 65 | import static org.onosproject.evpnopenflow.rsc.EvpnConstants.RESPONSE_NOT_NULL; |
| 66 | import static org.onosproject.evpnopenflow.rsc.EvpnConstants.ROUTE_DISTINGUISHERS; |
| 67 | import static org.onosproject.evpnopenflow.rsc.EvpnConstants.SET; |
| 68 | import static org.onosproject.evpnopenflow.rsc.EvpnConstants.SLASH; |
| 69 | import static org.onosproject.evpnopenflow.rsc.EvpnConstants.UPDATE; |
| 70 | import static org.onosproject.evpnopenflow.rsc.EvpnConstants.VPN_INSTANCE_CREATION_FAILED; |
| 71 | import static org.onosproject.evpnopenflow.rsc.EvpnConstants.VPN_INSTANCE_DELETE_FAILED; |
| 72 | import static org.onosproject.evpnopenflow.rsc.EvpnConstants.VPN_INSTANCE_ID_NOT_NULL; |
| 73 | import static org.onosproject.evpnopenflow.rsc.EvpnConstants.VPN_INSTANCE_IS_NOT_EXIST; |
| 74 | import static org.onosproject.evpnopenflow.rsc.EvpnConstants.VPN_INSTANCE_NAME; |
| 75 | import static org.onosproject.evpnopenflow.rsc.EvpnConstants.VPN_INSTANCE_NOT_NULL; |
| 76 | import static org.onosproject.evpnopenflow.rsc.EvpnConstants.VPN_INSTANCE_STORE; |
| 77 | import static org.onosproject.evpnopenflow.rsc.EvpnConstants.VPN_INSTANCE_UPDATE_FAILED; |
| 78 | |
| 79 | |
| 80 | /** |
| 81 | * Provides implementation of the VpnInstance APIs. |
| 82 | */ |
| 83 | @Component(immediate = true) |
| 84 | @Service |
| 85 | public class VpnInstanceManager implements VpnInstanceService { |
| 86 | |
| 87 | private final Logger log = LoggerFactory.getLogger(getClass()); |
| 88 | |
| 89 | protected EventuallyConsistentMap<VpnInstanceId, VpnInstance> vpnInstanceStore; |
| 90 | protected ApplicationId appId; |
| 91 | |
| 92 | @Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY) |
| 93 | protected StorageService storageService; |
| 94 | |
| 95 | @Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY) |
| 96 | protected RouteAdminService routeService; |
| 97 | |
| 98 | @Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY) |
| 99 | protected CoreService coreService; |
| 100 | |
| 101 | @Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY) |
| 102 | protected VpnAfConfigService vpnAfConfigService; |
| 103 | |
| 104 | @Activate |
| 105 | public void activate() { |
| 106 | appId = coreService.registerApplication(APP_ID); |
| 107 | KryoNamespace.Builder serializer = KryoNamespace.newBuilder() |
| 108 | .register(KryoNamespaces.API).register(VpnInstance.class) |
| 109 | .register(VpnInstanceId.class); |
| 110 | vpnInstanceStore = storageService |
| 111 | .<VpnInstanceId, VpnInstance>eventuallyConsistentMapBuilder() |
| 112 | .withName(VPN_INSTANCE_STORE).withSerializer(serializer) |
| 113 | .withTimestampProvider((k, v) -> new WallClockTimestamp()) |
| 114 | .build(); |
| 115 | log.info(EVPN_VPN_INSTANCE_START); |
| 116 | } |
| 117 | |
| 118 | @Deactivate |
| 119 | public void deactivate() { |
| 120 | vpnInstanceStore.destroy(); |
| 121 | log.info(EVPN_VPN_INSTANCE_STOP); |
| 122 | } |
| 123 | |
| 124 | @Override |
| 125 | public boolean exists(VpnInstanceId vpnInstanceId) { |
| 126 | checkNotNull(vpnInstanceId, VPN_INSTANCE_ID_NOT_NULL); |
| 127 | return vpnInstanceStore.containsKey(vpnInstanceId); |
| 128 | } |
| 129 | |
| 130 | @Override |
| 131 | public VpnInstance getInstance(VpnInstanceId vpnInstanceId) { |
| 132 | checkNotNull(vpnInstanceId, VPN_INSTANCE_ID_NOT_NULL); |
| 133 | return vpnInstanceStore.get(vpnInstanceId); |
| 134 | } |
| 135 | |
| 136 | @Override |
| 137 | public Collection<VpnInstance> getInstances() { |
| 138 | return Collections.unmodifiableCollection(vpnInstanceStore.values()); |
| 139 | } |
| 140 | |
| 141 | @Override |
| 142 | public boolean createInstances(Iterable<VpnInstance> vpnInstances) { |
| 143 | checkNotNull(vpnInstances, VPN_INSTANCE_NOT_NULL); |
| 144 | for (VpnInstance vpnInstance : vpnInstances) { |
| 145 | log.info(INSTANCE_ID, vpnInstance.id().toString()); |
| 146 | vpnInstanceStore.put(vpnInstance.id(), vpnInstance); |
| 147 | if (!vpnInstanceStore.containsKey(vpnInstance.id())) { |
| 148 | log.info(VPN_INSTANCE_CREATION_FAILED, |
| 149 | vpnInstance.id().toString()); |
| 150 | return false; |
| 151 | } |
| 152 | } |
| 153 | return true; |
| 154 | } |
| 155 | |
| 156 | @Override |
| 157 | public boolean updateInstances(Iterable<VpnInstance> vpnInstances) { |
| 158 | checkNotNull(vpnInstances, VPN_INSTANCE_NOT_NULL); |
| 159 | for (VpnInstance vpnInstance : vpnInstances) { |
| 160 | if (!vpnInstanceStore.containsKey(vpnInstance.id())) { |
| 161 | log.info(VPN_INSTANCE_IS_NOT_EXIST, |
| 162 | vpnInstance.id().toString()); |
| 163 | return false; |
| 164 | } |
| 165 | vpnInstanceStore.put(vpnInstance.id(), vpnInstance); |
| 166 | if (!vpnInstance.equals(vpnInstanceStore.get(vpnInstance.id()))) { |
| 167 | log.info(VPN_INSTANCE_UPDATE_FAILED, |
| 168 | vpnInstance.id().toString()); |
| 169 | return false; |
| 170 | } |
| 171 | } |
| 172 | return true; |
| 173 | } |
| 174 | |
| 175 | @Override |
| 176 | public boolean removeInstances(Iterable<VpnInstanceId> vpnInstanceIds) { |
| 177 | checkNotNull(vpnInstanceIds, VPN_INSTANCE_ID_NOT_NULL); |
| 178 | for (VpnInstanceId vpnInstanceId : vpnInstanceIds) { |
| 179 | vpnInstanceStore.remove(vpnInstanceId); |
| 180 | if (vpnInstanceStore.containsKey(vpnInstanceId)) { |
| 181 | log.info(VPN_INSTANCE_DELETE_FAILED, vpnInstanceId.toString()); |
| 182 | return false; |
| 183 | } |
| 184 | } |
| 185 | return true; |
| 186 | } |
| 187 | |
| 188 | @Override |
| 189 | public void processGluonConfig(String action, String key, JsonNode value) { |
| 190 | Collection<VpnInstance> vpnInstances; |
| 191 | switch (action) { |
| 192 | case DELETE: |
| 193 | String[] list = key.split(SLASH); |
| 194 | VpnInstanceId vpnInstanceId = VpnInstanceId |
| 195 | .vpnInstanceId(list[list.length - 1]); |
| 196 | Set<VpnInstanceId> vpnInstanceIds |
| 197 | = Sets.newHashSet(vpnInstanceId); |
| 198 | removeInstances(vpnInstanceIds); |
| 199 | break; |
| 200 | case SET: |
| 201 | checkNotNull(value, RESPONSE_NOT_NULL); |
| 202 | vpnInstances = changeJsonToSub(value); |
| 203 | createInstances(vpnInstances); |
| 204 | break; |
| 205 | case UPDATE: |
| 206 | checkNotNull(value, RESPONSE_NOT_NULL); |
| 207 | vpnInstances = changeJsonToSub(value); |
| 208 | updateInstances(vpnInstances); |
| 209 | break; |
| 210 | default: |
| 211 | log.info("Invalid action is received while processing VPN " + |
| 212 | "instance configuration"); |
| 213 | } |
| 214 | } |
| 215 | |
| 216 | @Override |
| 217 | public void updateImpExpRouteTargets(String routeTargetType, |
| 218 | Set<VpnRouteTarget> exportRouteTargets, |
| 219 | Set<VpnRouteTarget> importRouteTargets, |
| 220 | VpnRouteTarget vpnRouteTarget) { |
| 221 | switch (routeTargetType) { |
| 222 | case "export_extcommunity": |
| 223 | exportRouteTargets.add(vpnRouteTarget); |
| 224 | break; |
| 225 | case "import_extcommunity": |
| 226 | importRouteTargets.add(vpnRouteTarget); |
| 227 | break; |
| 228 | case "both": |
| 229 | exportRouteTargets.add(vpnRouteTarget); |
| 230 | importRouteTargets.add(vpnRouteTarget); |
| 231 | break; |
| 232 | default: |
| 233 | log.info("Invalid route target type has received"); |
| 234 | break; |
| 235 | } |
| 236 | } |
| 237 | |
| 238 | /** |
| 239 | * Returns a collection of vpnInstances from subnetNodes. |
| 240 | * |
| 241 | * @param vpnInstanceNodes the vpnInstance json node |
| 242 | * @return returns the collection of vpn instances |
| 243 | */ |
| 244 | private Collection<VpnInstance> changeJsonToSub(JsonNode vpnInstanceNodes) { |
| 245 | checkNotNull(vpnInstanceNodes, JSON_NOT_NULL); |
| 246 | |
| 247 | Set<VpnRouteTarget> exportRouteTargets = new HashSet<>(); |
| 248 | Set<VpnRouteTarget> importRouteTargets = new HashSet<>(); |
| 249 | Set<VpnRouteTarget> configRouteTargets = new HashSet<>(); |
| 250 | |
| 251 | Map<VpnInstanceId, VpnInstance> vpnInstanceMap = new HashMap<>(); |
| 252 | VpnInstanceId id = VpnInstanceId |
| 253 | .vpnInstanceId(vpnInstanceNodes.get(ID).asText()); |
| 254 | EvpnInstanceName name = EvpnInstanceName |
| 255 | .evpnName(vpnInstanceNodes.get(VPN_INSTANCE_NAME).asText()); |
| 256 | String description = vpnInstanceNodes.get(DESCRIPTION).asText(); |
| 257 | RouteDistinguisher routeDistinguisher = RouteDistinguisher |
| 258 | .routeDistinguisher(vpnInstanceNodes.get(ROUTE_DISTINGUISHERS) |
| 259 | .asText()); |
| 260 | String routeTargets = vpnInstanceNodes.get(IPV4_FAMILY).asText(); |
| 261 | String[] list = routeTargets.split(COMMA); |
| 262 | |
| 263 | for (String routeTarget : list) { |
| 264 | // Converting route target string into route target object and |
| 265 | // then storing into configuration route target set. |
| 266 | VpnRouteTarget vpnRouteTarget |
| 267 | = VpnRouteTarget.routeTarget(routeTarget); |
| 268 | configRouteTargets.add(vpnRouteTarget); |
| 269 | VpnAfConfig vpnAfConfig |
| 270 | = vpnAfConfigService.getVpnAfConfig(vpnRouteTarget); |
| 271 | if (vpnAfConfig == null) { |
| 272 | log.info("Not able to find vpn af config for the give vpn " + |
| 273 | "route target"); |
| 274 | break; |
| 275 | } |
| 276 | updateImpExpRouteTargets(vpnAfConfig.routeTargetType(), |
| 277 | exportRouteTargets, |
| 278 | importRouteTargets, |
| 279 | vpnRouteTarget); |
| 280 | } |
| 281 | |
| 282 | VpnInstance vpnInstance = new DefaultVpnInstance(id, name, description, |
| 283 | routeDistinguisher, |
| 284 | exportRouteTargets, |
| 285 | importRouteTargets, |
| 286 | configRouteTargets); |
| 287 | vpnInstanceMap.put(id, vpnInstance); |
| 288 | return Collections.unmodifiableCollection(vpnInstanceMap.values()); |
| 289 | } |
Ray Milkey | 69ec871 | 2017-08-08 13:00:43 -0700 | [diff] [blame] | 290 | } |