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;
40 private final VpnUtil vpnUtil;
43 public SubnetmapChangeListener(final DataBroker dataBroker, final VpnSubnetRouteHandler vpnSubnetRouteHandler,
45 super(Subnetmap.class, SubnetmapChangeListener.class);
46 this.dataBroker = dataBroker;
47 this.vpnSubnetRouteHandler = vpnSubnetRouteHandler;
48 this.vpnUtil = vpnUtil;
53 LOG.info("{} start", getClass().getSimpleName());
54 registerListener(dataBroker);
58 protected InstanceIdentifier<Subnetmap> getWildCardPath() {
59 return InstanceIdentifier.create(Subnetmaps.class).child(Subnetmap.class);
62 // TODO Clean up the exception handling
63 @SuppressWarnings("checkstyle:IllegalCatch")
64 private void registerListener(final DataBroker db) {
66 registerListener(LogicalDatastoreType.CONFIGURATION, db);
67 } catch (final Exception e) {
68 LOG.error("VPNManager subnetMap config DataChange listener registration fail!", e);
69 throw new IllegalStateException("VPNManager subnetMap config DataChange listener registration failed.", e);
74 protected void add(InstanceIdentifier<Subnetmap> identifier, Subnetmap subnetmap) {
75 LOG.debug("SubnetmapChangeListener add subnetmap method - key: {}, value: {}", identifier, subnetmap);
76 Uuid subnetId = subnetmap.getId();
77 Network network = vpnUtil.getNeutronNetwork(subnetmap.getNetworkId());
78 if (network == null) {
79 LOG.error("SubnetMapChangeListener:add: network was not found for subnetId {}", subnetId.getValue());
82 if (subnetmap.getVpnId() != null) {
83 if (subnetmap.getNetworkType().equals(NetworkType.VLAN)) {
84 vpnUtil.addRouterPortToElanDpnListForVlaninAllDpn(subnetmap.getVpnId().getValue());
87 if (VpnUtil.getIsExternal(network)) {
88 LOG.debug("SubnetmapListener:add: provider subnetwork {} is handling in "
89 + "ExternalSubnetVpnInstanceListener", subnetId.getValue());
92 String elanInstanceName = subnetmap.getNetworkId().getValue();
93 long elanTag = getElanTag(elanInstanceName);
95 LOG.error("SubnetMapChangeListener:add: unable to fetch elantag from ElanInstance {} for subnet {}",
96 elanInstanceName, subnetId.getValue());
99 if (subnetmap.getVpnId() != null) {
100 boolean isBgpVpn = !subnetmap.getVpnId().equals(subnetmap.getRouterId());
101 LOG.info("SubnetMapChangeListener:add: subnetmap {} with elanTag {} to VPN {}", subnetmap, elanTag,
102 subnetmap.getVpnId());
103 vpnSubnetRouteHandler.onSubnetAddedToVpn(subnetmap, isBgpVpn, elanTag);
108 protected void remove(InstanceIdentifier<Subnetmap> identifier, Subnetmap subnetmap) {
109 LOG.trace("SubnetmapListener:remove: subnetmap method - key: {}, value: {}", identifier, subnetmap);
113 // TODO Clean up the exception handling
114 @SuppressWarnings("checkstyle:IllegalCatch")
115 protected void update(InstanceIdentifier<Subnetmap> identifier, Subnetmap subnetmapOriginal, Subnetmap
117 LOG.debug("SubnetMapChangeListener update method - key {}, original {}, update {}", identifier,
118 subnetmapOriginal, subnetmapUpdate);
119 Uuid subnetId = subnetmapUpdate.getId();
120 Network network = vpnUtil.getNeutronNetwork(subnetmapUpdate.getNetworkId());
121 if (network == null) {
122 LOG.error("SubnetMapChangeListener:update: network was not found for subnetId {}", subnetId.getValue());
125 String elanInstanceName = subnetmapUpdate.getNetworkId().getValue();
126 long elanTag = getElanTag(elanInstanceName);
128 LOG.error("SubnetMapChangeListener:update: unable to fetch elantag from ElanInstance {} for subnetId {}",
129 elanInstanceName, subnetId);
132 updateVlanDataEntry(subnetmapOriginal.getVpnId(), subnetmapUpdate.getVpnId(), subnetmapUpdate,
133 subnetmapOriginal, elanTag, elanInstanceName);
134 if (VpnUtil.getIsExternal(network)) {
135 LOG.debug("SubnetMapChangeListener:update: provider subnetwork {} is handling in "
136 + "ExternalSubnetVpnInstanceListener", subnetId.getValue());
139 // update on BGPVPN or InternalVPN change
140 Uuid vpnIdOld = subnetmapOriginal.getVpnId();
141 Uuid vpnIdNew = subnetmapUpdate.getVpnId();
142 if (!Objects.equals(vpnIdOld, vpnIdNew)) {
143 LOG.info("SubnetMapChangeListener:update: update subnetOpDataEntry for subnet {} imported in VPN",
144 subnetmapUpdate.getId().getValue());
145 updateSubnetmapOpDataEntry(subnetmapOriginal.getVpnId(), subnetmapUpdate.getVpnId(), subnetmapUpdate,
146 subnetmapOriginal, elanTag);
148 // update on Internet VPN Id change
149 Uuid inetVpnIdOld = subnetmapOriginal.getInternetVpnId();
150 Uuid inetVpnIdNew = subnetmapUpdate.getInternetVpnId();
151 if (!Objects.equals(inetVpnIdOld, inetVpnIdNew)) {
152 LOG.info("SubnetMapChangeListener:update: update subnetOpDataEntry for subnet {} imported in InternetVPN",
153 subnetmapUpdate.getId().getValue());
154 updateSubnetmapOpDataEntry(inetVpnIdOld, inetVpnIdNew, subnetmapUpdate, subnetmapOriginal, elanTag);
156 // update on PortList change
157 List<Uuid> oldPortList;
158 List<Uuid> newPortList;
159 newPortList = subnetmapUpdate.getPortList() != null ? subnetmapUpdate.getPortList() : new ArrayList<>();
160 oldPortList = subnetmapOriginal.getPortList() != null ? subnetmapOriginal.getPortList() : new ArrayList<>();
161 if (newPortList.size() == oldPortList.size()) {
164 LOG.info("SubnetMapChangeListener:update: update port list for subnet {}", subnetmapUpdate.getId().getValue());
165 if (newPortList.size() > oldPortList.size()) {
166 for (Uuid portId : newPortList) {
167 if (! oldPortList.contains(portId)) {
168 vpnSubnetRouteHandler.onPortAddedToSubnet(subnetmapUpdate, portId);
173 for (Uuid portId : oldPortList) {
174 if (! newPortList.contains(portId)) {
175 vpnSubnetRouteHandler.onPortRemovedFromSubnet(subnetmapUpdate, portId);
182 private void updateSubnetmapOpDataEntry(Uuid vpnIdOld, Uuid vpnIdNew, Subnetmap subnetmapUpdate,
183 Subnetmap subnetmapOriginal, Long elanTag) {
185 // subnet added to VPN
186 if (vpnIdNew != null && vpnIdOld == null) {
187 if (vpnIdNew.equals(subnetmapUpdate.getRouterId())) {
190 vpnSubnetRouteHandler.onSubnetAddedToVpn(subnetmapUpdate, true, elanTag);
192 // subnet removed from VPN
193 if (vpnIdOld != null && vpnIdNew == null) {
194 if (vpnIdOld.equals(subnetmapOriginal.getRouterId())) {
197 vpnSubnetRouteHandler.onSubnetDeletedFromVpn(subnetmapOriginal, true);
199 // subnet updated in VPN
200 if (vpnIdOld != null && vpnIdNew != null && (!vpnIdNew.equals(vpnIdOld))) {
201 vpnSubnetRouteHandler.onSubnetUpdatedInVpn(subnetmapUpdate, elanTag);
205 private void updateVlanDataEntry(Uuid vpnIdOld, Uuid vpnIdNew, Subnetmap subnetmapUpdate,
206 Subnetmap subnetmapOriginal, Long elanTag, String elanInstanceName) {
207 if (vpnIdNew != null && vpnIdOld == null) {
208 if (elanInstanceName != null && subnetmapUpdate.getNetworkType().equals(NetworkType.VLAN)) {
209 vpnUtil.addRouterPortToElanDpnListForVlaninAllDpn(vpnIdNew.getValue());
212 if (vpnIdOld != null && vpnIdNew == null) {
213 if (subnetmapOriginal.getNetworkType().equals(NetworkType.VLAN)) {
214 vpnUtil.removeRouterPortFromElanDpnListForVlanInAllDpn(elanInstanceName, subnetmapOriginal
215 .getRouterInterfacePortId().getValue(), vpnIdOld.getValue());
221 protected SubnetmapChangeListener getDataTreeChangeListener() {
225 protected long getElanTag(String elanInstanceName) {
226 InstanceIdentifier<ElanInstance> elanIdentifierId = InstanceIdentifier.builder(ElanInstances.class)
227 .child(ElanInstance.class, new ElanInstanceKey(elanInstanceName)).build();
230 Optional<ElanInstance> elanInstance = SingleTransactionDataBroker.syncReadOptional(dataBroker,
231 LogicalDatastoreType.CONFIGURATION, elanIdentifierId);
232 if (elanInstance.isPresent()) {
233 if (elanInstance.get().getElanTag() != null) {
234 elanTag = elanInstance.get().getElanTag();
236 LOG.error("Notification failed because of failure in fetching elanTag for ElanInstance {}",
240 LOG.error("Notification failed because of failure in reading ELANInstance {}", elanInstanceName);
242 } catch (ReadFailedException e) {
243 LOG.error("Notification failed because of failure in fetching elanTag for ElanInstance {}",
244 elanInstanceName, e);