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.vpnafconfig.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.CoreService; |
| 29 | import org.onosproject.evpnopenflow.rsc.DefaultVpnAfConfig; |
| 30 | import org.onosproject.evpnopenflow.rsc.VpnAfConfig; |
| 31 | import org.onosproject.evpnopenflow.rsc.vpnafconfig.VpnAfConfigEvent; |
| 32 | import org.onosproject.evpnopenflow.rsc.vpnafconfig.VpnAfConfigListener; |
| 33 | import org.onosproject.evpnopenflow.rsc.vpnafconfig.VpnAfConfigService; |
Ray Milkey | a95193c | 2017-08-10 15:35:36 -0700 | [diff] [blame] | 34 | import org.onosproject.evpnrouteservice.VpnRouteTarget; |
Mohammad Shahid | 4c30ea3 | 2017-08-09 18:02:10 +0530 | [diff] [blame] | 35 | import org.onosproject.store.serializers.KryoNamespaces; |
| 36 | import org.onosproject.store.service.EventuallyConsistentMap; |
| 37 | import org.onosproject.store.service.StorageService; |
| 38 | import org.onosproject.store.service.WallClockTimestamp; |
| 39 | import org.slf4j.Logger; |
| 40 | import org.slf4j.LoggerFactory; |
| 41 | |
| 42 | import java.util.Collection; |
| 43 | import java.util.Collections; |
| 44 | import java.util.HashMap; |
| 45 | import java.util.Map; |
| 46 | import java.util.Set; |
| 47 | |
| 48 | import static com.google.common.base.Preconditions.checkNotNull; |
| 49 | import static org.onosproject.evpnopenflow.rsc.EvpnConstants.APP_ID; |
| 50 | import static org.onosproject.evpnopenflow.rsc.EvpnConstants.DELETE; |
| 51 | import static org.onosproject.evpnopenflow.rsc.EvpnConstants.EVENT_NOT_NULL; |
| 52 | import static org.onosproject.evpnopenflow.rsc.EvpnConstants.EVPN_VPN_AF_CONFIG_START; |
| 53 | import static org.onosproject.evpnopenflow.rsc.EvpnConstants.EVPN_VPN_AF_CONFIG_STOP; |
| 54 | import static org.onosproject.evpnopenflow.rsc.EvpnConstants.EXPORT_ROUTE_POLICY; |
| 55 | import static org.onosproject.evpnopenflow.rsc.EvpnConstants.IMPORT_ROUTE_POLICY; |
| 56 | import static org.onosproject.evpnopenflow.rsc.EvpnConstants.INVALID_ACTION_VPN_AF_CONFIG; |
| 57 | import static org.onosproject.evpnopenflow.rsc.EvpnConstants.JSON_NOT_NULL; |
| 58 | import static org.onosproject.evpnopenflow.rsc.EvpnConstants.LISTENER_NOT_NULL; |
| 59 | import static org.onosproject.evpnopenflow.rsc.EvpnConstants.RESPONSE_NOT_NULL; |
| 60 | import static org.onosproject.evpnopenflow.rsc.EvpnConstants.ROUTE_TARGET_CANNOT_NOT_NULL; |
| 61 | import static org.onosproject.evpnopenflow.rsc.EvpnConstants.ROUTE_TARGET_DELETE_FAILED; |
| 62 | import static org.onosproject.evpnopenflow.rsc.EvpnConstants.ROUTE_TARGET_VALUE; |
| 63 | import static org.onosproject.evpnopenflow.rsc.EvpnConstants.SET; |
| 64 | import static org.onosproject.evpnopenflow.rsc.EvpnConstants.SLASH; |
| 65 | import static org.onosproject.evpnopenflow.rsc.EvpnConstants.UPDATE; |
| 66 | import static org.onosproject.evpnopenflow.rsc.EvpnConstants.VPN_AF_CONFIG_CREATION_FAILED; |
| 67 | import static org.onosproject.evpnopenflow.rsc.EvpnConstants.VPN_AF_CONFIG_IS_NOT_EXIST; |
| 68 | import static org.onosproject.evpnopenflow.rsc.EvpnConstants.VPN_AF_CONFIG_NOT_NULL; |
| 69 | import static org.onosproject.evpnopenflow.rsc.EvpnConstants.VPN_AF_CONFIG_STORE; |
| 70 | import static org.onosproject.evpnopenflow.rsc.EvpnConstants.VPN_AF_CONFIG_UPDATE_FAILED; |
| 71 | import static org.onosproject.evpnopenflow.rsc.EvpnConstants.VPN_INSTANCE_ID_NOT_NULL; |
| 72 | import static org.onosproject.evpnopenflow.rsc.EvpnConstants.VRF_RT_TYPE; |
| 73 | import static org.onosproject.evpnopenflow.rsc.EvpnConstants.VRF_RT_VALUE; |
| 74 | |
| 75 | /** |
| 76 | * Provides implementation of the VPN af config APIs. |
| 77 | */ |
| 78 | @Component(immediate = true) |
| 79 | @Service |
| 80 | public class VpnAfConfigManager implements VpnAfConfigService { |
| 81 | private final Logger log = LoggerFactory.getLogger(getClass()); |
| 82 | private final Set<VpnAfConfigListener> listeners = Sets |
| 83 | .newCopyOnWriteArraySet(); |
| 84 | |
| 85 | protected EventuallyConsistentMap<VpnRouteTarget, VpnAfConfig> |
| 86 | vpnAfConfigStore; |
| 87 | @Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY) |
| 88 | protected StorageService storageService; |
| 89 | |
| 90 | @Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY) |
| 91 | protected CoreService coreService; |
| 92 | |
| 93 | @Activate |
| 94 | public void activate() { |
| 95 | coreService.registerApplication(APP_ID); |
| 96 | KryoNamespace.Builder serializer = KryoNamespace.newBuilder() |
| 97 | .register(KryoNamespaces.API).register(VpnAfConfig.class) |
| 98 | .register(VpnRouteTarget.class); |
| 99 | vpnAfConfigStore = storageService |
| 100 | .<VpnRouteTarget, VpnAfConfig>eventuallyConsistentMapBuilder() |
| 101 | .withName(VPN_AF_CONFIG_STORE).withSerializer(serializer) |
| 102 | .withTimestampProvider((k, v) -> new WallClockTimestamp()) |
| 103 | .build(); |
| 104 | log.info(EVPN_VPN_AF_CONFIG_START); |
| 105 | } |
| 106 | |
| 107 | @Deactivate |
| 108 | public void deactivate() { |
| 109 | vpnAfConfigStore.destroy(); |
| 110 | log.info(EVPN_VPN_AF_CONFIG_STOP); |
| 111 | } |
| 112 | |
| 113 | @Override |
| 114 | public boolean exists(VpnRouteTarget routeTarget) { |
| 115 | checkNotNull(routeTarget, ROUTE_TARGET_CANNOT_NOT_NULL); |
| 116 | return vpnAfConfigStore.containsKey(routeTarget); |
| 117 | } |
| 118 | |
| 119 | @Override |
| 120 | public VpnAfConfig getVpnAfConfig(VpnRouteTarget routeTarget) { |
| 121 | checkNotNull(routeTarget, ROUTE_TARGET_CANNOT_NOT_NULL); |
| 122 | return vpnAfConfigStore.get(routeTarget); |
| 123 | } |
| 124 | |
| 125 | @Override |
| 126 | public Collection<VpnAfConfig> getVpnAfConfigs() { |
| 127 | return Collections.unmodifiableCollection(vpnAfConfigStore.values()); |
| 128 | } |
| 129 | |
| 130 | @Override |
| 131 | public boolean createVpnAfConfigs(Iterable<VpnAfConfig> vpnAfConfigs) { |
| 132 | checkNotNull(vpnAfConfigs, VPN_AF_CONFIG_NOT_NULL); |
| 133 | for (VpnAfConfig vpnAfConfig : vpnAfConfigs) { |
| 134 | log.info(ROUTE_TARGET_VALUE, vpnAfConfig |
| 135 | .routeTarget().getRouteTarget()); |
| 136 | vpnAfConfigStore.put(vpnAfConfig.routeTarget(), vpnAfConfig); |
| 137 | if (!vpnAfConfigStore.containsKey(vpnAfConfig.routeTarget())) { |
| 138 | log.info(VPN_AF_CONFIG_CREATION_FAILED, |
| 139 | vpnAfConfig.routeTarget().getRouteTarget()); |
| 140 | return false; |
| 141 | } |
| 142 | notifyListeners(new VpnAfConfigEvent(VpnAfConfigEvent |
| 143 | .Type |
| 144 | .VPN_AF_CONFIG_SET, |
| 145 | vpnAfConfig)); |
| 146 | } |
| 147 | return true; |
| 148 | } |
| 149 | |
| 150 | @Override |
| 151 | public boolean updateVpnAfConfigs(Iterable<VpnAfConfig> vpnAfConfigs) { |
| 152 | checkNotNull(vpnAfConfigs, VPN_AF_CONFIG_NOT_NULL); |
| 153 | for (VpnAfConfig vpnAfConfig : vpnAfConfigs) { |
| 154 | if (!vpnAfConfigStore.containsKey(vpnAfConfig.routeTarget())) { |
| 155 | log.info(VPN_AF_CONFIG_IS_NOT_EXIST, |
| 156 | vpnAfConfig.routeTarget().getRouteTarget()); |
| 157 | return false; |
| 158 | } |
| 159 | vpnAfConfigStore.put(vpnAfConfig.routeTarget(), vpnAfConfig); |
| 160 | if (!vpnAfConfig.equals(vpnAfConfigStore |
| 161 | .get(vpnAfConfig.routeTarget()))) { |
| 162 | log.info(VPN_AF_CONFIG_UPDATE_FAILED, |
| 163 | vpnAfConfig.routeTarget().getRouteTarget()); |
| 164 | return false; |
| 165 | } |
| 166 | notifyListeners(new VpnAfConfigEvent(VpnAfConfigEvent |
| 167 | .Type |
| 168 | .VPN_AF_CONFIG_UPDATE, |
| 169 | vpnAfConfig)); |
| 170 | } |
| 171 | return true; |
| 172 | } |
| 173 | |
| 174 | @Override |
| 175 | public boolean removeVpnAfConfigs(Iterable<VpnRouteTarget> routeTargets) { |
| 176 | checkNotNull(routeTargets, VPN_INSTANCE_ID_NOT_NULL); |
| 177 | for (VpnRouteTarget routeTarget : routeTargets) { |
| 178 | VpnAfConfig vpnAfConfig = vpnAfConfigStore.get(routeTarget); |
| 179 | vpnAfConfigStore.remove(routeTarget); |
| 180 | if (vpnAfConfigStore.containsKey(routeTarget)) { |
| 181 | log.info(ROUTE_TARGET_DELETE_FAILED, |
| 182 | routeTarget.getRouteTarget()); |
| 183 | return false; |
| 184 | } |
| 185 | notifyListeners(new VpnAfConfigEvent(VpnAfConfigEvent |
| 186 | .Type |
| 187 | .VPN_AF_CONFIG_DELETE, |
| 188 | vpnAfConfig)); |
| 189 | } |
| 190 | return true; |
| 191 | } |
| 192 | |
| 193 | @Override |
| 194 | public void processGluonConfig(String action, String key, JsonNode value) { |
| 195 | Collection<VpnAfConfig> vpnAfConfigs; |
| 196 | switch (action) { |
| 197 | case DELETE: |
| 198 | String[] list = key.split(SLASH); |
| 199 | VpnRouteTarget routeTarget = VpnRouteTarget |
| 200 | .routeTarget(list[list.length - 1]); |
| 201 | Set<VpnRouteTarget> routeTargets |
| 202 | = Sets.newHashSet(routeTarget); |
| 203 | removeVpnAfConfigs(routeTargets); |
| 204 | break; |
| 205 | case SET: |
| 206 | checkNotNull(value, RESPONSE_NOT_NULL); |
| 207 | vpnAfConfigs = changeJsonToSub(value); |
| 208 | createVpnAfConfigs(vpnAfConfigs); |
| 209 | break; |
| 210 | case UPDATE: |
| 211 | checkNotNull(value, RESPONSE_NOT_NULL); |
| 212 | vpnAfConfigs = changeJsonToSub(value); |
| 213 | updateVpnAfConfigs(vpnAfConfigs); |
| 214 | break; |
| 215 | default: |
| 216 | log.info(INVALID_ACTION_VPN_AF_CONFIG); |
| 217 | break; |
| 218 | } |
| 219 | } |
| 220 | |
| 221 | /** |
| 222 | * Returns a collection of vpn af configuration. |
| 223 | * |
| 224 | * @param vpnAfConfigNode the vpn af configuration json node |
| 225 | * @return returns the collection of vpn af configuration |
| 226 | */ |
| 227 | private Collection<VpnAfConfig> changeJsonToSub(JsonNode vpnAfConfigNode) { |
| 228 | checkNotNull(vpnAfConfigNode, JSON_NOT_NULL); |
| 229 | Map<VpnRouteTarget, VpnAfConfig> vpnAfConfigMap = new HashMap<>(); |
| 230 | String exportRoutePolicy |
| 231 | = vpnAfConfigNode.get(EXPORT_ROUTE_POLICY).asText(); |
| 232 | String importRoutePolicy |
| 233 | = vpnAfConfigNode.get(IMPORT_ROUTE_POLICY).asText(); |
| 234 | String routeTargetType = vpnAfConfigNode.get(VRF_RT_TYPE).asText(); |
| 235 | VpnRouteTarget routeTarget = VpnRouteTarget |
| 236 | .routeTarget(vpnAfConfigNode.get(VRF_RT_VALUE).asText()); |
| 237 | |
| 238 | VpnAfConfig vpnAfConfig = new DefaultVpnAfConfig(exportRoutePolicy, |
| 239 | importRoutePolicy, |
| 240 | routeTarget, |
| 241 | routeTargetType); |
| 242 | vpnAfConfigMap.put(routeTarget, vpnAfConfig); |
| 243 | |
| 244 | return Collections.unmodifiableCollection(vpnAfConfigMap.values()); |
| 245 | } |
| 246 | |
| 247 | @Override |
| 248 | public void addListener(VpnAfConfigListener listener) { |
| 249 | checkNotNull(listener, LISTENER_NOT_NULL); |
| 250 | listeners.add(listener); |
| 251 | } |
| 252 | |
| 253 | @Override |
| 254 | public void removeListener(VpnAfConfigListener listener) { |
| 255 | checkNotNull(listener, LISTENER_NOT_NULL); |
| 256 | listeners.remove(listener); |
| 257 | } |
| 258 | |
| 259 | /** |
| 260 | * Notifies specify event to all listeners. |
| 261 | * |
| 262 | * @param event vpn af config event |
| 263 | */ |
| 264 | private void notifyListeners(VpnAfConfigEvent event) { |
| 265 | checkNotNull(event, EVENT_NOT_NULL); |
| 266 | listeners.forEach(listener -> listener.event(event)); |
| 267 | } |
| 268 | } |