2 * Copyright (c) 2016, 2017 Ericsson India Global Services Pvt Ltd. and others. All rights reserved.
4 * This program and the accompanying materials are made available under the
5 * terms of the Eclipse Public License v1.0 which accompanies this distribution,
6 * and is available at http://www.eclipse.org/legal/epl-v10.html
9 package org.opendaylight.netvirt.vpnmanager;
11 import com.google.common.base.Optional;
12 import java.util.ArrayList;
13 import java.util.List;
14 import java.util.Objects;
16 import java.util.concurrent.locks.ReentrantLock;
17 import javax.annotation.PostConstruct;
18 import javax.inject.Inject;
19 import javax.inject.Singleton;
20 import org.opendaylight.controller.md.sal.binding.api.DataBroker;
21 import org.opendaylight.controller.md.sal.common.api.data.LogicalDatastoreType;
22 import org.opendaylight.controller.md.sal.common.api.data.ReadFailedException;
23 import org.opendaylight.genius.datastoreutils.AsyncDataTreeChangeListenerBase;
24 import org.opendaylight.genius.datastoreutils.SingleTransactionDataBroker;
25 import org.opendaylight.genius.utils.JvmGlobalLocks;
26 import org.opendaylight.netvirt.vpnmanager.api.IVpnManager;
27 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.yang.types.rev130715.Uuid;
28 import org.opendaylight.yang.gen.v1.urn.opendaylight.netvirt.elan.rev150602.ElanInstances;
29 import org.opendaylight.yang.gen.v1.urn.opendaylight.netvirt.elan.rev150602.elan.instances.ElanInstance;
30 import org.opendaylight.yang.gen.v1.urn.opendaylight.netvirt.elan.rev150602.elan.instances.ElanInstanceKey;
31 import org.opendaylight.yang.gen.v1.urn.opendaylight.netvirt.neutronvpn.l3vpn.rev200204.vpn.instances.vpn.instance.vpntargets.VpnTarget;
32 import org.opendaylight.yang.gen.v1.urn.opendaylight.netvirt.neutronvpn.rev150602.NetworkAttributes.NetworkType;
33 import org.opendaylight.yang.gen.v1.urn.opendaylight.netvirt.neutronvpn.rev150602.Subnetmaps;
34 import org.opendaylight.yang.gen.v1.urn.opendaylight.netvirt.neutronvpn.rev150602.subnetmaps.Subnetmap;
35 import org.opendaylight.yang.gen.v1.urn.opendaylight.neutron.networks.rev150712.networks.attributes.networks.Network;
36 import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
37 import org.slf4j.Logger;
38 import org.slf4j.LoggerFactory;
41 public class SubnetmapChangeListener extends AsyncDataTreeChangeListenerBase<Subnetmap, SubnetmapChangeListener> {
42 private static final Logger LOG = LoggerFactory.getLogger(SubnetmapChangeListener.class);
43 private final DataBroker dataBroker;
44 private final VpnSubnetRouteHandler vpnSubnetRouteHandler;
45 private final VpnUtil vpnUtil;
46 private final IVpnManager vpnManager;
49 public SubnetmapChangeListener(final DataBroker dataBroker, final VpnSubnetRouteHandler vpnSubnetRouteHandler,
50 VpnUtil vpnUtil, IVpnManager vpnManager) {
51 super(Subnetmap.class, SubnetmapChangeListener.class);
52 this.dataBroker = dataBroker;
53 this.vpnSubnetRouteHandler = vpnSubnetRouteHandler;
54 this.vpnUtil = vpnUtil;
55 this.vpnManager = vpnManager;
60 LOG.info("{} start", getClass().getSimpleName());
61 registerListener(dataBroker);
65 protected InstanceIdentifier<Subnetmap> getWildCardPath() {
66 return InstanceIdentifier.create(Subnetmaps.class).child(Subnetmap.class);
69 // TODO Clean up the exception handling
70 @SuppressWarnings("checkstyle:IllegalCatch")
71 private void registerListener(final DataBroker db) {
73 registerListener(LogicalDatastoreType.CONFIGURATION, db);
74 } catch (final Exception e) {
75 LOG.error("VPNManager subnetMap config DataChange listener registration fail!", e);
76 throw new IllegalStateException("VPNManager subnetMap config DataChange listener registration failed.", e);
81 protected void add(InstanceIdentifier<Subnetmap> identifier, Subnetmap subnetmap) {
82 LOG.debug("SubnetmapChangeListener add subnetmap method - key: {}, value: {}", identifier, subnetmap);
83 Uuid subnetId = subnetmap.getId();
84 Network network = vpnUtil.getNeutronNetwork(subnetmap.getNetworkId());
85 if (network == null) {
86 LOG.error("SubnetMapChangeListener:add: network was not found for subnetId {}", subnetId.getValue());
89 if (subnetmap.getVpnId() != null) {
90 if (NetworkType.VLAN.equals(subnetmap.getNetworkType())) {
91 vpnUtil.addRouterPortToElanDpnListForVlaninAllDpn(subnetmap.getVpnId().getValue());
94 if (VpnUtil.getIsExternal(network)) {
95 LOG.debug("SubnetmapListener:add: provider subnetwork {} is handling in "
96 + "ExternalSubnetVpnInstanceListener", subnetId.getValue());
99 String elanInstanceName = subnetmap.getNetworkId().getValue();
100 long elanTag = getElanTag(elanInstanceName);
102 LOG.error("SubnetMapChangeListener:add: unable to fetch elantag from ElanInstance {} for subnet {}",
103 elanInstanceName, subnetId.getValue());
106 Uuid vpnId = subnetmap.getVpnId();
108 boolean isBgpVpn = !vpnId.equals(subnetmap.getRouterId());
109 LOG.info("SubnetMapChangeListener:add: subnetmap {} with elanTag {} to VPN {}", subnetmap, elanTag,
111 vpnSubnetRouteHandler.onSubnetAddedToVpn(subnetmap, isBgpVpn, elanTag);
112 if (isBgpVpn && subnetmap.getRouterId() == null) {
113 Set<VpnTarget> routeTargets = vpnManager.getRtListForVpn(vpnId.getValue());
114 if (!routeTargets.isEmpty()) {
115 // FIXME: separate this out somehow?
116 final ReentrantLock lock = JvmGlobalLocks.getLockForString(subnetmap.getSubnetIp());
119 vpnManager.updateRouteTargetsToSubnetAssociation(routeTargets, subnetmap.getSubnetIp(),
130 protected void remove(InstanceIdentifier<Subnetmap> identifier, Subnetmap subnetmap) {
131 LOG.trace("SubnetmapListener:remove: subnetmap method - key: {}, value: {}", identifier, subnetmap);
135 // TODO Clean up the exception handling
136 @SuppressWarnings("checkstyle:IllegalCatch")
137 protected void update(InstanceIdentifier<Subnetmap> identifier, Subnetmap subnetmapOriginal, Subnetmap
139 LOG.debug("SubnetMapChangeListener update method - key {}, original {}, update {}", identifier,
140 subnetmapOriginal, subnetmapUpdate);
141 Uuid subnetId = subnetmapUpdate.getId();
142 Network network = vpnUtil.getNeutronNetwork(subnetmapUpdate.getNetworkId());
143 if (network == null) {
144 LOG.error("SubnetMapChangeListener:update: network was not found for subnetId {}", subnetId.getValue());
147 String elanInstanceName = subnetmapUpdate.getNetworkId().getValue();
148 long elanTag = getElanTag(elanInstanceName);
150 LOG.error("SubnetMapChangeListener:update: unable to fetch elantag from ElanInstance {} for subnetId {}",
151 elanInstanceName, subnetId);
154 updateVlanDataEntry(subnetmapOriginal.getVpnId(), subnetmapUpdate.getVpnId(), subnetmapUpdate,
155 subnetmapOriginal, elanInstanceName);
156 if (VpnUtil.getIsExternal(network)) {
157 LOG.debug("SubnetMapChangeListener:update: provider subnetwork {} is handling in "
158 + "ExternalSubnetVpnInstanceListener", subnetId.getValue());
161 // update on BGPVPN or InternalVPN change
162 Uuid vpnIdOld = subnetmapOriginal.getVpnId();
163 Uuid vpnIdNew = subnetmapUpdate.getVpnId();
164 if (!Objects.equals(vpnIdOld, vpnIdNew)) {
165 LOG.info("SubnetMapChangeListener:update: update subnetOpDataEntry for subnet {} imported in VPN",
166 subnetmapUpdate.getId().getValue());
167 updateSubnetmapOpDataEntry(subnetmapOriginal.getVpnId(), subnetmapUpdate.getVpnId(), subnetmapUpdate,
168 subnetmapOriginal, elanTag);
170 // update on Internet VPN Id change
171 Uuid inetVpnIdOld = subnetmapOriginal.getInternetVpnId();
172 Uuid inetVpnIdNew = subnetmapUpdate.getInternetVpnId();
173 if (!Objects.equals(inetVpnIdOld, inetVpnIdNew)) {
174 LOG.info("SubnetMapChangeListener:update: update subnetOpDataEntry for subnet {} imported in InternetVPN",
175 subnetmapUpdate.getId().getValue());
176 updateSubnetmapOpDataEntry(inetVpnIdOld, inetVpnIdNew, subnetmapUpdate, subnetmapOriginal, elanTag);
178 // update on PortList change
179 List<Uuid> oldPortList;
180 List<Uuid> newPortList;
181 newPortList = subnetmapUpdate.getPortList() != null ? subnetmapUpdate.getPortList() : new ArrayList<>();
182 oldPortList = subnetmapOriginal.getPortList() != null ? subnetmapOriginal.getPortList() : new ArrayList<>();
183 if (newPortList.size() == oldPortList.size()) {
186 LOG.info("SubnetMapChangeListener:update: update port list for subnet {}", subnetmapUpdate.getId().getValue());
187 if (newPortList.size() > oldPortList.size()) {
188 for (Uuid portId : newPortList) {
189 if (! oldPortList.contains(portId)) {
190 vpnSubnetRouteHandler.onPortAddedToSubnet(subnetmapUpdate, portId);
195 for (Uuid portId : oldPortList) {
196 if (! newPortList.contains(portId)) {
197 vpnSubnetRouteHandler.onPortRemovedFromSubnet(subnetmapUpdate, portId);
204 private void updateSubnetmapOpDataEntry(Uuid vpnIdOld, Uuid vpnIdNew, Subnetmap subnetmapUpdate,
205 Subnetmap subnetmapOriginal, Long elanTag) {
207 // subnet added to VPN
208 if (vpnIdNew != null && vpnIdOld == null) {
209 if (vpnIdNew.equals(subnetmapUpdate.getRouterId())) {
212 vpnSubnetRouteHandler.onSubnetAddedToVpn(subnetmapUpdate, true, elanTag);
214 // subnet removed from VPN
215 if (vpnIdOld != null && vpnIdNew == null) {
216 if (vpnIdOld.equals(subnetmapOriginal.getRouterId())) {
219 vpnSubnetRouteHandler.onSubnetDeletedFromVpn(subnetmapOriginal, true);
221 // subnet updated in VPN
222 if (vpnIdOld != null && vpnIdNew != null && !vpnIdNew.equals(vpnIdOld)) {
223 vpnSubnetRouteHandler.onSubnetUpdatedInVpn(subnetmapUpdate, elanTag);
227 private void updateVlanDataEntry(Uuid vpnIdOld, Uuid vpnIdNew, Subnetmap subnetmapUpdate,
228 Subnetmap subnetmapOriginal, String elanInstanceName) {
229 if (vpnIdNew != null && vpnIdOld == null) {
230 if (elanInstanceName != null && NetworkType.VLAN.equals(subnetmapUpdate.getNetworkType())) {
231 vpnUtil.addRouterPortToElanDpnListForVlaninAllDpn(vpnIdNew.getValue());
234 if (vpnIdOld != null && vpnIdNew == null) {
235 if (NetworkType.VLAN.equals(subnetmapOriginal.getNetworkType())) {
236 vpnUtil.removeRouterPortFromElanDpnListForVlanInAllDpn(elanInstanceName, subnetmapOriginal
237 .getRouterInterfacePortId().getValue(), vpnIdOld.getValue());
243 protected SubnetmapChangeListener getDataTreeChangeListener() {
247 protected long getElanTag(String elanInstanceName) {
248 InstanceIdentifier<ElanInstance> elanIdentifierId = InstanceIdentifier.builder(ElanInstances.class)
249 .child(ElanInstance.class, new ElanInstanceKey(elanInstanceName)).build();
252 Optional<ElanInstance> elanInstance = SingleTransactionDataBroker.syncReadOptional(dataBroker,
253 LogicalDatastoreType.CONFIGURATION, elanIdentifierId);
254 if (elanInstance.isPresent()) {
255 if (elanInstance.get().getElanTag() != null) {
256 elanTag = elanInstance.get().getElanTag().toJava();
258 LOG.error("Notification failed because of failure in fetching elanTag for ElanInstance {}",
262 LOG.error("Notification failed because of failure in reading ELANInstance {}", elanInstanceName);
264 } catch (ReadFailedException e) {
265 LOG.error("Notification failed because of failure in fetching elanTag for ElanInstance {}",
266 elanInstanceName, e);