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 javax.annotation.PostConstruct;
17 import javax.inject.Inject;
18 import javax.inject.Singleton;
19 import org.opendaylight.controller.md.sal.binding.api.DataBroker;
20 import org.opendaylight.controller.md.sal.common.api.data.LogicalDatastoreType;
21 import org.opendaylight.controller.md.sal.common.api.data.ReadFailedException;
22 import org.opendaylight.genius.datastoreutils.AsyncDataTreeChangeListenerBase;
23 import org.opendaylight.genius.datastoreutils.SingleTransactionDataBroker;
24 import org.opendaylight.netvirt.vpnmanager.api.IVpnManager;
25 import org.opendaylight.yang.gen.v1.urn.huawei.params.xml.ns.yang.l3vpn.rev140815.vpn.af.config.vpntargets.VpnTarget;
26 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.yang.types.rev130715.Uuid;
27 import org.opendaylight.yang.gen.v1.urn.opendaylight.netvirt.elan.rev150602.ElanInstances;
28 import org.opendaylight.yang.gen.v1.urn.opendaylight.netvirt.elan.rev150602.elan.instances.ElanInstance;
29 import org.opendaylight.yang.gen.v1.urn.opendaylight.netvirt.elan.rev150602.elan.instances.ElanInstanceKey;
30 import org.opendaylight.yang.gen.v1.urn.opendaylight.netvirt.neutronvpn.rev150602.NetworkAttributes.NetworkType;
31 import org.opendaylight.yang.gen.v1.urn.opendaylight.netvirt.neutronvpn.rev150602.Subnetmaps;
32 import org.opendaylight.yang.gen.v1.urn.opendaylight.netvirt.neutronvpn.rev150602.subnetmaps.Subnetmap;
33 import org.opendaylight.yang.gen.v1.urn.opendaylight.neutron.networks.rev150712.networks.attributes.networks.Network;
34 import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
35 import org.slf4j.Logger;
36 import org.slf4j.LoggerFactory;
39 public class SubnetmapChangeListener extends AsyncDataTreeChangeListenerBase<Subnetmap, SubnetmapChangeListener> {
40 private static final Logger LOG = LoggerFactory.getLogger(SubnetmapChangeListener.class);
41 private final DataBroker dataBroker;
42 private final VpnSubnetRouteHandler vpnSubnetRouteHandler;
43 private final VpnUtil vpnUtil;
44 private final IVpnManager vpnManager;
47 public SubnetmapChangeListener(final DataBroker dataBroker, final VpnSubnetRouteHandler vpnSubnetRouteHandler,
48 VpnUtil vpnUtil, IVpnManager vpnManager) {
49 super(Subnetmap.class, SubnetmapChangeListener.class);
50 this.dataBroker = dataBroker;
51 this.vpnSubnetRouteHandler = vpnSubnetRouteHandler;
52 this.vpnUtil = vpnUtil;
53 this.vpnManager = vpnManager;
58 LOG.info("{} start", getClass().getSimpleName());
59 registerListener(dataBroker);
63 protected InstanceIdentifier<Subnetmap> getWildCardPath() {
64 return InstanceIdentifier.create(Subnetmaps.class).child(Subnetmap.class);
67 // TODO Clean up the exception handling
68 @SuppressWarnings("checkstyle:IllegalCatch")
69 private void registerListener(final DataBroker db) {
71 registerListener(LogicalDatastoreType.CONFIGURATION, db);
72 } catch (final Exception e) {
73 LOG.error("VPNManager subnetMap config DataChange listener registration fail!", e);
74 throw new IllegalStateException("VPNManager subnetMap config DataChange listener registration failed.", e);
79 protected void add(InstanceIdentifier<Subnetmap> identifier, Subnetmap subnetmap) {
80 LOG.debug("SubnetmapChangeListener add subnetmap method - key: {}, value: {}", identifier, subnetmap);
81 Uuid subnetId = subnetmap.getId();
82 Network network = vpnUtil.getNeutronNetwork(subnetmap.getNetworkId());
83 if (network == null) {
84 LOG.error("SubnetMapChangeListener:add: network was not found for subnetId {}", subnetId.getValue());
87 if (subnetmap.getVpnId() != null) {
88 if (NetworkType.VLAN.equals(subnetmap.getNetworkType())) {
89 vpnUtil.addRouterPortToElanDpnListForVlaninAllDpn(subnetmap.getVpnId().getValue());
92 if (VpnUtil.getIsExternal(network)) {
93 LOG.debug("SubnetmapListener:add: provider subnetwork {} is handling in "
94 + "ExternalSubnetVpnInstanceListener", subnetId.getValue());
97 String elanInstanceName = subnetmap.getNetworkId().getValue();
98 long elanTag = getElanTag(elanInstanceName);
100 LOG.error("SubnetMapChangeListener:add: unable to fetch elantag from ElanInstance {} for subnet {}",
101 elanInstanceName, subnetId.getValue());
104 Uuid vpnId = subnetmap.getVpnId();
106 boolean isBgpVpn = !vpnId.equals(subnetmap.getRouterId());
107 LOG.info("SubnetMapChangeListener:add: subnetmap {} with elanTag {} to VPN {}", subnetmap, elanTag,
109 vpnSubnetRouteHandler.onSubnetAddedToVpn(subnetmap, isBgpVpn, elanTag);
110 if (isBgpVpn && subnetmap.getRouterId() == null) {
111 Set<VpnTarget> routeTargets = vpnManager.getRtListForVpn(vpnId.getValue());
112 if (!routeTargets.isEmpty()) {
113 synchronized (subnetmap.getSubnetIp().intern()) {
114 vpnManager.updateRouteTargetsToSubnetAssociation(routeTargets, subnetmap.getSubnetIp(),
123 protected void remove(InstanceIdentifier<Subnetmap> identifier, Subnetmap subnetmap) {
124 LOG.trace("SubnetmapListener:remove: subnetmap method - key: {}, value: {}", identifier, subnetmap);
128 // TODO Clean up the exception handling
129 @SuppressWarnings("checkstyle:IllegalCatch")
130 protected void update(InstanceIdentifier<Subnetmap> identifier, Subnetmap subnetmapOriginal, Subnetmap
132 LOG.debug("SubnetMapChangeListener update method - key {}, original {}, update {}", identifier,
133 subnetmapOriginal, subnetmapUpdate);
134 Uuid subnetId = subnetmapUpdate.getId();
135 Network network = vpnUtil.getNeutronNetwork(subnetmapUpdate.getNetworkId());
136 if (network == null) {
137 LOG.error("SubnetMapChangeListener:update: network was not found for subnetId {}", subnetId.getValue());
140 String elanInstanceName = subnetmapUpdate.getNetworkId().getValue();
141 long elanTag = getElanTag(elanInstanceName);
143 LOG.error("SubnetMapChangeListener:update: unable to fetch elantag from ElanInstance {} for subnetId {}",
144 elanInstanceName, subnetId);
147 updateVlanDataEntry(subnetmapOriginal.getVpnId(), subnetmapUpdate.getVpnId(), subnetmapUpdate,
148 subnetmapOriginal, elanInstanceName);
149 if (VpnUtil.getIsExternal(network)) {
150 LOG.debug("SubnetMapChangeListener:update: provider subnetwork {} is handling in "
151 + "ExternalSubnetVpnInstanceListener", subnetId.getValue());
154 // update on BGPVPN or InternalVPN change
155 Uuid vpnIdOld = subnetmapOriginal.getVpnId();
156 Uuid vpnIdNew = subnetmapUpdate.getVpnId();
157 if (!Objects.equals(vpnIdOld, vpnIdNew)) {
158 LOG.info("SubnetMapChangeListener:update: update subnetOpDataEntry for subnet {} imported in VPN",
159 subnetmapUpdate.getId().getValue());
160 updateSubnetmapOpDataEntry(subnetmapOriginal.getVpnId(), subnetmapUpdate.getVpnId(), subnetmapUpdate,
161 subnetmapOriginal, elanTag);
163 // update on Internet VPN Id change
164 Uuid inetVpnIdOld = subnetmapOriginal.getInternetVpnId();
165 Uuid inetVpnIdNew = subnetmapUpdate.getInternetVpnId();
166 if (!Objects.equals(inetVpnIdOld, inetVpnIdNew)) {
167 LOG.info("SubnetMapChangeListener:update: update subnetOpDataEntry for subnet {} imported in InternetVPN",
168 subnetmapUpdate.getId().getValue());
169 updateSubnetmapOpDataEntry(inetVpnIdOld, inetVpnIdNew, subnetmapUpdate, subnetmapOriginal, elanTag);
171 // update on PortList change
172 List<Uuid> oldPortList;
173 List<Uuid> newPortList;
174 newPortList = subnetmapUpdate.getPortList() != null ? subnetmapUpdate.getPortList() : new ArrayList<>();
175 oldPortList = subnetmapOriginal.getPortList() != null ? subnetmapOriginal.getPortList() : new ArrayList<>();
176 if (newPortList.size() == oldPortList.size()) {
179 LOG.info("SubnetMapChangeListener:update: update port list for subnet {}", subnetmapUpdate.getId().getValue());
180 if (newPortList.size() > oldPortList.size()) {
181 for (Uuid portId : newPortList) {
182 if (! oldPortList.contains(portId)) {
183 vpnSubnetRouteHandler.onPortAddedToSubnet(subnetmapUpdate, portId);
188 for (Uuid portId : oldPortList) {
189 if (! newPortList.contains(portId)) {
190 vpnSubnetRouteHandler.onPortRemovedFromSubnet(subnetmapUpdate, portId);
197 private void updateSubnetmapOpDataEntry(Uuid vpnIdOld, Uuid vpnIdNew, Subnetmap subnetmapUpdate,
198 Subnetmap subnetmapOriginal, Long elanTag) {
200 // subnet added to VPN
201 if (vpnIdNew != null && vpnIdOld == null) {
202 if (vpnIdNew.equals(subnetmapUpdate.getRouterId())) {
205 vpnSubnetRouteHandler.onSubnetAddedToVpn(subnetmapUpdate, true, elanTag);
207 // subnet removed from VPN
208 if (vpnIdOld != null && vpnIdNew == null) {
209 if (vpnIdOld.equals(subnetmapOriginal.getRouterId())) {
212 vpnSubnetRouteHandler.onSubnetDeletedFromVpn(subnetmapOriginal, true);
214 // subnet updated in VPN
215 if (vpnIdOld != null && vpnIdNew != null && (!vpnIdNew.equals(vpnIdOld))) {
216 vpnSubnetRouteHandler.onSubnetUpdatedInVpn(subnetmapUpdate, elanTag);
220 private void updateVlanDataEntry(Uuid vpnIdOld, Uuid vpnIdNew, Subnetmap subnetmapUpdate,
221 Subnetmap subnetmapOriginal, String elanInstanceName) {
222 if (vpnIdNew != null && vpnIdOld == null) {
223 if (elanInstanceName != null && NetworkType.VLAN.equals(subnetmapUpdate.getNetworkType())) {
224 vpnUtil.addRouterPortToElanDpnListForVlaninAllDpn(vpnIdNew.getValue());
227 if (vpnIdOld != null && vpnIdNew == null) {
228 if (NetworkType.VLAN.equals(subnetmapOriginal.getNetworkType())) {
229 vpnUtil.removeRouterPortFromElanDpnListForVlanInAllDpn(elanInstanceName, subnetmapOriginal
230 .getRouterInterfacePortId().getValue(), vpnIdOld.getValue());
236 protected SubnetmapChangeListener getDataTreeChangeListener() {
240 protected long getElanTag(String elanInstanceName) {
241 InstanceIdentifier<ElanInstance> elanIdentifierId = InstanceIdentifier.builder(ElanInstances.class)
242 .child(ElanInstance.class, new ElanInstanceKey(elanInstanceName)).build();
245 Optional<ElanInstance> elanInstance = SingleTransactionDataBroker.syncReadOptional(dataBroker,
246 LogicalDatastoreType.CONFIGURATION, elanIdentifierId);
247 if (elanInstance.isPresent()) {
248 if (elanInstance.get().getElanTag() != null) {
249 elanTag = elanInstance.get().getElanTag();
251 LOG.error("Notification failed because of failure in fetching elanTag for ElanInstance {}",
255 LOG.error("Notification failed because of failure in reading ELANInstance {}", elanInstanceName);
257 } catch (ReadFailedException e) {
258 LOG.error("Notification failed because of failure in fetching elanTag for ElanInstance {}",
259 elanInstanceName, e);