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.genius.datastoreutils.AsyncDataTreeChangeListenerBase;
21 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.yang.types.rev130715.Uuid;
22 import org.opendaylight.yang.gen.v1.urn.opendaylight.netvirt.elan.rev150602.ElanInstances;
23 import org.opendaylight.yang.gen.v1.urn.opendaylight.netvirt.elan.rev150602.elan.instances.ElanInstance;
24 import org.opendaylight.yang.gen.v1.urn.opendaylight.netvirt.elan.rev150602.elan.instances.ElanInstanceKey;
25 import org.opendaylight.yang.gen.v1.urn.opendaylight.netvirt.neutronvpn.rev150602.NetworkAttributes.NetworkType;
26 import org.opendaylight.yang.gen.v1.urn.opendaylight.netvirt.neutronvpn.rev150602.Subnetmaps;
27 import org.opendaylight.yang.gen.v1.urn.opendaylight.netvirt.neutronvpn.rev150602.subnetmaps.Subnetmap;
28 import org.opendaylight.yang.gen.v1.urn.opendaylight.neutron.networks.rev150712.networks.attributes.networks.Network;
29 import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
30 import org.slf4j.Logger;
31 import org.slf4j.LoggerFactory;
34 public class SubnetmapChangeListener extends AsyncDataTreeChangeListenerBase<Subnetmap, SubnetmapChangeListener> {
35 private static final Logger LOG = LoggerFactory.getLogger(SubnetmapChangeListener.class);
36 private final DataBroker dataBroker;
37 private final VpnSubnetRouteHandler vpnSubnetRouteHandler;
40 public SubnetmapChangeListener(final DataBroker dataBroker, final VpnSubnetRouteHandler vpnSubnetRouteHandler) {
41 super(Subnetmap.class, SubnetmapChangeListener.class);
42 this.dataBroker = dataBroker;
43 this.vpnSubnetRouteHandler = vpnSubnetRouteHandler;
48 LOG.info("{} start", getClass().getSimpleName());
49 registerListener(dataBroker);
53 protected InstanceIdentifier<Subnetmap> getWildCardPath() {
54 return InstanceIdentifier.create(Subnetmaps.class).child(Subnetmap.class);
57 // TODO Clean up the exception handling
58 @SuppressWarnings("checkstyle:IllegalCatch")
59 private void registerListener(final DataBroker db) {
61 registerListener(LogicalDatastoreType.CONFIGURATION, db);
62 } catch (final Exception e) {
63 LOG.error("VPNManager subnetMap config DataChange listener registration fail!", e);
64 throw new IllegalStateException("VPNManager subnetMap config DataChange listener registration failed.", e);
69 protected void add(InstanceIdentifier<Subnetmap> identifier, Subnetmap subnetmap) {
70 LOG.debug("SubnetmapChangeListener add subnetmap method - key: {}, value: {}", identifier, subnetmap);
71 Uuid subnetId = subnetmap.getId();
72 Network network = VpnUtil.getNeutronNetwork(dataBroker, subnetmap.getNetworkId());
73 if (network == null) {
74 LOG.error("SubnetMapChangeListener:add: network was not found for subnetId {}", subnetId.getValue());
77 if (subnetmap.getVpnId() != null) {
78 if (subnetmap.getNetworkType().equals(NetworkType.VLAN)) {
79 VpnUtil.addRouterPortToElanDpnListForVlaninAllDpn(subnetmap.getVpnId().getValue(), dataBroker);
82 if (VpnUtil.getIsExternal(network)) {
83 LOG.debug("SubnetmapListener:add: provider subnetwork {} is handling in "
84 + "ExternalSubnetVpnInstanceListener", subnetId.getValue());
87 String elanInstanceName = subnetmap.getNetworkId().getValue();
88 long elanTag = getElanTag(elanInstanceName);
90 LOG.error("SubnetMapChangeListener:add: unable to fetch elantag from ElanInstance {} for subnet {}",
91 elanInstanceName, subnetId.getValue());
94 if (subnetmap.getVpnId() != null) {
95 boolean isBgpVpn = !subnetmap.getVpnId().equals(subnetmap.getRouterId());
96 LOG.info("SubnetMapChangeListener:add: subnetmap {} with elanTag {} to VPN {}", subnetmap, elanTag,
97 subnetmap.getVpnId());
98 vpnSubnetRouteHandler.onSubnetAddedToVpn(subnetmap, isBgpVpn, elanTag);
103 protected void remove(InstanceIdentifier<Subnetmap> identifier, Subnetmap subnetmap) {
104 LOG.trace("SubnetmapListener:remove: subnetmap method - key: {}, value: {}", identifier, subnetmap);
108 // TODO Clean up the exception handling
109 @SuppressWarnings("checkstyle:IllegalCatch")
110 protected void update(InstanceIdentifier<Subnetmap> identifier, Subnetmap subnetmapOriginal, Subnetmap
112 LOG.debug("SubnetMapChangeListener update method - key {}, original {}, update {}", identifier,
113 subnetmapOriginal, subnetmapUpdate);
114 Uuid subnetId = subnetmapUpdate.getId();
115 Network network = VpnUtil.getNeutronNetwork(dataBroker, subnetmapUpdate.getNetworkId());
116 if (network == null) {
117 LOG.error("SubnetMapChangeListener:update: network was not found for subnetId {}", subnetId.getValue());
120 String elanInstanceName = subnetmapUpdate.getNetworkId().getValue();
121 long elanTag = getElanTag(elanInstanceName);
123 LOG.error("SubnetMapChangeListener:update: unable to fetch elantag from ElanInstance {} for subnetId {}",
124 elanInstanceName, subnetId);
127 updateVlanDataEntry(subnetmapOriginal.getVpnId(), subnetmapUpdate.getVpnId(), subnetmapUpdate,
128 subnetmapOriginal, elanTag, elanInstanceName);
129 if (VpnUtil.getIsExternal(network)) {
130 LOG.debug("SubnetMapChangeListener:update: provider subnetwork {} is handling in "
131 + "ExternalSubnetVpnInstanceListener", subnetId.getValue());
134 // update on BGPVPN or InternalVPN change
135 Uuid vpnIdOld = subnetmapOriginal.getVpnId();
136 Uuid vpnIdNew = subnetmapUpdate.getVpnId();
137 if (!Objects.equals(vpnIdOld, vpnIdNew)) {
138 LOG.info("SubnetMapChangeListener:update: update subnetOpDataEntry for subnet {} imported in VPN",
139 subnetmapUpdate.getId().getValue());
140 updateSubnetmapOpDataEntry(subnetmapOriginal.getVpnId(), subnetmapUpdate.getVpnId(), subnetmapUpdate,
141 subnetmapOriginal, elanTag);
143 // update on Internet VPN Id change
144 Uuid inetVpnIdOld = subnetmapOriginal.getInternetVpnId();
145 Uuid inetVpnIdNew = subnetmapUpdate.getInternetVpnId();
146 if (!Objects.equals(inetVpnIdOld, inetVpnIdNew)) {
147 LOG.info("SubnetMapChangeListener:update: update subnetOpDataEntry for subnet {} imported in InternetVPN",
148 subnetmapUpdate.getId().getValue());
149 updateSubnetmapOpDataEntry(inetVpnIdOld, inetVpnIdNew, subnetmapUpdate, subnetmapOriginal, elanTag);
151 // update on PortList change
152 List<Uuid> oldPortList;
153 List<Uuid> newPortList;
154 newPortList = subnetmapUpdate.getPortList() != null ? subnetmapUpdate.getPortList() : new ArrayList<>();
155 oldPortList = subnetmapOriginal.getPortList() != null ? subnetmapOriginal.getPortList() : new ArrayList<>();
156 if (newPortList.size() == oldPortList.size()) {
159 LOG.info("SubnetMapChangeListener:update: update port list for subnet {}", subnetmapUpdate.getId().getValue());
160 if (newPortList.size() > oldPortList.size()) {
161 for (Uuid portId : newPortList) {
162 if (! oldPortList.contains(portId)) {
163 vpnSubnetRouteHandler.onPortAddedToSubnet(subnetmapUpdate, portId);
168 for (Uuid portId : oldPortList) {
169 if (! newPortList.contains(portId)) {
170 vpnSubnetRouteHandler.onPortRemovedFromSubnet(subnetmapUpdate, portId);
177 private void updateSubnetmapOpDataEntry(Uuid vpnIdOld, Uuid vpnIdNew, Subnetmap subnetmapUpdate,
178 Subnetmap subnetmapOriginal, Long elanTag) {
180 // subnet added to VPN
181 if (vpnIdNew != null && vpnIdOld == null) {
182 if (vpnIdNew.equals(subnetmapUpdate.getRouterId())) {
185 vpnSubnetRouteHandler.onSubnetAddedToVpn(subnetmapUpdate, true, elanTag);
187 // subnet removed from VPN
188 if (vpnIdOld != null && vpnIdNew == null) {
189 if (vpnIdOld.equals(subnetmapOriginal.getRouterId())) {
192 vpnSubnetRouteHandler.onSubnetDeletedFromVpn(subnetmapOriginal, true);
194 // subnet updated in VPN
195 if (vpnIdOld != null && vpnIdNew != null && (!vpnIdNew.equals(vpnIdOld))) {
196 vpnSubnetRouteHandler.onSubnetUpdatedInVpn(subnetmapUpdate, elanTag);
200 private void updateVlanDataEntry(Uuid vpnIdOld, Uuid vpnIdNew, Subnetmap subnetmapUpdate,
201 Subnetmap subnetmapOriginal, Long elanTag, String elanInstanceName) {
202 if (vpnIdNew != null && vpnIdOld == null) {
203 if (elanInstanceName != null && subnetmapUpdate.getNetworkType().equals(NetworkType.VLAN)) {
204 VpnUtil.addRouterPortToElanDpnListForVlaninAllDpn(vpnIdNew.getValue(), dataBroker);
207 if (vpnIdOld != null && vpnIdNew == null) {
208 if (subnetmapOriginal.getNetworkType().equals(NetworkType.VLAN)) {
209 VpnUtil.removeRouterPortFromElanDpnListForVlanInAllDpn(elanInstanceName, subnetmapOriginal
210 .getRouterInterfacePortId().getValue(), vpnIdOld.getValue(), dataBroker);
216 protected SubnetmapChangeListener getDataTreeChangeListener() {
220 // TODO Clean up the exception handling
221 @SuppressWarnings("checkstyle:IllegalCatch")
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 = VpnUtil.read(dataBroker, LogicalDatastoreType
228 .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 (Exception e) {
240 LOG.error("Notification failed because of failure in fetching elanTag for ElanInstance {}",
241 elanInstanceName, e);