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;
15 import javax.annotation.PostConstruct;
16 import javax.inject.Inject;
17 import javax.inject.Singleton;
18 import org.opendaylight.controller.md.sal.binding.api.DataBroker;
19 import org.opendaylight.controller.md.sal.common.api.data.LogicalDatastoreType;
20 import org.opendaylight.controller.md.sal.common.api.data.ReadFailedException;
21 import org.opendaylight.genius.datastoreutils.AsyncDataTreeChangeListenerBase;
22 import org.opendaylight.genius.datastoreutils.SingleTransactionDataBroker;
23 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.yang.types.rev130715.Uuid;
24 import org.opendaylight.yang.gen.v1.urn.opendaylight.netvirt.elan.rev150602.ElanInstances;
25 import org.opendaylight.yang.gen.v1.urn.opendaylight.netvirt.elan.rev150602.elan.instances.ElanInstance;
26 import org.opendaylight.yang.gen.v1.urn.opendaylight.netvirt.elan.rev150602.elan.instances.ElanInstanceKey;
27 import org.opendaylight.yang.gen.v1.urn.opendaylight.netvirt.neutronvpn.rev150602.NetworkAttributes.NetworkType;
28 import org.opendaylight.yang.gen.v1.urn.opendaylight.netvirt.neutronvpn.rev150602.Subnetmaps;
29 import org.opendaylight.yang.gen.v1.urn.opendaylight.netvirt.neutronvpn.rev150602.subnetmaps.Subnetmap;
30 import org.opendaylight.yang.gen.v1.urn.opendaylight.neutron.networks.rev150712.networks.attributes.networks.Network;
31 import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
32 import org.slf4j.Logger;
33 import org.slf4j.LoggerFactory;
36 public class SubnetmapChangeListener extends AsyncDataTreeChangeListenerBase<Subnetmap, SubnetmapChangeListener> {
37 private static final Logger LOG = LoggerFactory.getLogger(SubnetmapChangeListener.class);
38 private final DataBroker dataBroker;
39 private final VpnSubnetRouteHandler vpnSubnetRouteHandler;
42 public SubnetmapChangeListener(final DataBroker dataBroker, final VpnSubnetRouteHandler vpnSubnetRouteHandler) {
43 super(Subnetmap.class, SubnetmapChangeListener.class);
44 this.dataBroker = dataBroker;
45 this.vpnSubnetRouteHandler = vpnSubnetRouteHandler;
50 LOG.info("{} start", getClass().getSimpleName());
51 registerListener(dataBroker);
55 protected InstanceIdentifier<Subnetmap> getWildCardPath() {
56 return InstanceIdentifier.create(Subnetmaps.class).child(Subnetmap.class);
59 // TODO Clean up the exception handling
60 @SuppressWarnings("checkstyle:IllegalCatch")
61 private void registerListener(final DataBroker db) {
63 registerListener(LogicalDatastoreType.CONFIGURATION, db);
64 } catch (final Exception e) {
65 LOG.error("VPNManager subnetMap config DataChange listener registration fail!", e);
66 throw new IllegalStateException("VPNManager subnetMap config DataChange listener registration failed.", e);
71 protected void add(InstanceIdentifier<Subnetmap> identifier, Subnetmap subnetmap) {
72 LOG.debug("SubnetmapChangeListener add subnetmap method - key: {}, value: {}", identifier, subnetmap);
73 Uuid subnetId = subnetmap.getId();
74 Network network = VpnUtil.getNeutronNetwork(dataBroker, subnetmap.getNetworkId());
75 if (network == null) {
76 LOG.error("SubnetMapChangeListener:add: network was not found for subnetId {}", subnetId.getValue());
79 if (subnetmap.getVpnId() != null) {
80 if (subnetmap.getNetworkType().equals(NetworkType.VLAN)) {
81 VpnUtil.addRouterPortToElanDpnListForVlaninAllDpn(subnetmap.getVpnId().getValue(), dataBroker);
84 if (VpnUtil.getIsExternal(network)) {
85 LOG.debug("SubnetmapListener:add: provider subnetwork {} is handling in "
86 + "ExternalSubnetVpnInstanceListener", subnetId.getValue());
89 String elanInstanceName = subnetmap.getNetworkId().getValue();
90 long elanTag = getElanTag(elanInstanceName);
92 LOG.error("SubnetMapChangeListener:add: unable to fetch elantag from ElanInstance {} for subnet {}",
93 elanInstanceName, subnetId.getValue());
96 if (subnetmap.getVpnId() != null) {
97 boolean isBgpVpn = !subnetmap.getVpnId().equals(subnetmap.getRouterId());
98 LOG.info("SubnetMapChangeListener:add: subnetmap {} with elanTag {} to VPN {}", subnetmap, elanTag,
99 subnetmap.getVpnId());
100 vpnSubnetRouteHandler.onSubnetAddedToVpn(subnetmap, isBgpVpn, elanTag);
105 protected void remove(InstanceIdentifier<Subnetmap> identifier, Subnetmap subnetmap) {
106 LOG.trace("SubnetmapListener:remove: subnetmap method - key: {}, value: {}", identifier, subnetmap);
110 // TODO Clean up the exception handling
111 @SuppressWarnings("checkstyle:IllegalCatch")
112 protected void update(InstanceIdentifier<Subnetmap> identifier, Subnetmap subnetmapOriginal, Subnetmap
114 LOG.debug("SubnetMapChangeListener update method - key {}, original {}, update {}", identifier,
115 subnetmapOriginal, subnetmapUpdate);
116 Uuid subnetId = subnetmapUpdate.getId();
117 Network network = VpnUtil.getNeutronNetwork(dataBroker, subnetmapUpdate.getNetworkId());
118 if (network == null) {
119 LOG.error("SubnetMapChangeListener:update: network was not found for subnetId {}", subnetId.getValue());
122 String elanInstanceName = subnetmapUpdate.getNetworkId().getValue();
123 long elanTag = getElanTag(elanInstanceName);
125 LOG.error("SubnetMapChangeListener:update: unable to fetch elantag from ElanInstance {} for subnetId {}",
126 elanInstanceName, subnetId);
129 updateVlanDataEntry(subnetmapOriginal.getVpnId(), subnetmapUpdate.getVpnId(), subnetmapUpdate,
130 subnetmapOriginal, elanTag, elanInstanceName);
131 if (VpnUtil.getIsExternal(network)) {
132 LOG.debug("SubnetMapChangeListener:update: provider subnetwork {} is handling in "
133 + "ExternalSubnetVpnInstanceListener", subnetId.getValue());
136 // update on BGPVPN or InternalVPN change
137 Uuid vpnIdOld = subnetmapOriginal.getVpnId();
138 Uuid vpnIdNew = subnetmapUpdate.getVpnId();
139 if (!Objects.equals(vpnIdOld, vpnIdNew)) {
140 LOG.info("SubnetMapChangeListener:update: update subnetOpDataEntry for subnet {} imported in VPN",
141 subnetmapUpdate.getId().getValue());
142 updateSubnetmapOpDataEntry(subnetmapOriginal.getVpnId(), subnetmapUpdate.getVpnId(), subnetmapUpdate,
143 subnetmapOriginal, elanTag);
145 // update on Internet VPN Id change
146 Uuid inetVpnIdOld = subnetmapOriginal.getInternetVpnId();
147 Uuid inetVpnIdNew = subnetmapUpdate.getInternetVpnId();
148 if (!Objects.equals(inetVpnIdOld, inetVpnIdNew)) {
149 LOG.info("SubnetMapChangeListener:update: update subnetOpDataEntry for subnet {} imported in InternetVPN",
150 subnetmapUpdate.getId().getValue());
151 updateSubnetmapOpDataEntry(inetVpnIdOld, inetVpnIdNew, subnetmapUpdate, subnetmapOriginal, elanTag);
153 // update on PortList change
154 List<Uuid> oldPortList;
155 List<Uuid> newPortList;
156 newPortList = subnetmapUpdate.getPortList() != null ? subnetmapUpdate.getPortList() : new ArrayList<>();
157 oldPortList = subnetmapOriginal.getPortList() != null ? subnetmapOriginal.getPortList() : new ArrayList<>();
158 if (newPortList.size() == oldPortList.size()) {
161 LOG.info("SubnetMapChangeListener:update: update port list for subnet {}", subnetmapUpdate.getId().getValue());
162 if (newPortList.size() > oldPortList.size()) {
163 for (Uuid portId : newPortList) {
164 if (! oldPortList.contains(portId)) {
165 vpnSubnetRouteHandler.onPortAddedToSubnet(subnetmapUpdate, portId);
170 for (Uuid portId : oldPortList) {
171 if (! newPortList.contains(portId)) {
172 vpnSubnetRouteHandler.onPortRemovedFromSubnet(subnetmapUpdate, portId);
179 private void updateSubnetmapOpDataEntry(Uuid vpnIdOld, Uuid vpnIdNew, Subnetmap subnetmapUpdate,
180 Subnetmap subnetmapOriginal, Long elanTag) {
182 // subnet added to VPN
183 if (vpnIdNew != null && vpnIdOld == null) {
184 if (vpnIdNew.equals(subnetmapUpdate.getRouterId())) {
187 vpnSubnetRouteHandler.onSubnetAddedToVpn(subnetmapUpdate, true, elanTag);
189 // subnet removed from VPN
190 if (vpnIdOld != null && vpnIdNew == null) {
191 if (vpnIdOld.equals(subnetmapOriginal.getRouterId())) {
194 vpnSubnetRouteHandler.onSubnetDeletedFromVpn(subnetmapOriginal, true);
196 // subnet updated in VPN
197 if (vpnIdOld != null && vpnIdNew != null && (!vpnIdNew.equals(vpnIdOld))) {
198 vpnSubnetRouteHandler.onSubnetUpdatedInVpn(subnetmapUpdate, elanTag);
202 private void updateVlanDataEntry(Uuid vpnIdOld, Uuid vpnIdNew, Subnetmap subnetmapUpdate,
203 Subnetmap subnetmapOriginal, Long elanTag, String elanInstanceName) {
204 if (vpnIdNew != null && vpnIdOld == null) {
205 if (elanInstanceName != null && subnetmapUpdate.getNetworkType().equals(NetworkType.VLAN)) {
206 VpnUtil.addRouterPortToElanDpnListForVlaninAllDpn(vpnIdNew.getValue(), dataBroker);
209 if (vpnIdOld != null && vpnIdNew == null) {
210 if (subnetmapOriginal.getNetworkType().equals(NetworkType.VLAN)) {
211 VpnUtil.removeRouterPortFromElanDpnListForVlanInAllDpn(elanInstanceName, subnetmapOriginal
212 .getRouterInterfacePortId().getValue(), vpnIdOld.getValue(), dataBroker);
218 protected SubnetmapChangeListener getDataTreeChangeListener() {
222 protected long getElanTag(String elanInstanceName) {
223 InstanceIdentifier<ElanInstance> elanIdentifierId = InstanceIdentifier.builder(ElanInstances.class)
224 .child(ElanInstance.class, new ElanInstanceKey(elanInstanceName)).build();
227 Optional<ElanInstance> elanInstance = SingleTransactionDataBroker.syncReadOptional(dataBroker,
228 LogicalDatastoreType.CONFIGURATION, elanIdentifierId);
229 if (elanInstance.isPresent()) {
230 if (elanInstance.get().getElanTag() != null) {
231 elanTag = elanInstance.get().getElanTag();
233 LOG.error("Notification failed because of failure in fetching elanTag for ElanInstance {}",
237 LOG.error("Notification failed because of failure in reading ELANInstance {}", elanInstanceName);
239 } catch (ReadFailedException e) {
240 LOG.error("Notification failed because of failure in fetching elanTag for ElanInstance {}",
241 elanInstanceName, e);