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.Subnetmaps;
26 import org.opendaylight.yang.gen.v1.urn.opendaylight.netvirt.neutronvpn.rev150602.subnetmaps.Subnetmap;
27 import org.opendaylight.yang.gen.v1.urn.opendaylight.neutron.networks.rev150712.networks.attributes.networks.Network;
28 import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
29 import org.slf4j.Logger;
30 import org.slf4j.LoggerFactory;
33 public class SubnetmapChangeListener extends AsyncDataTreeChangeListenerBase<Subnetmap, SubnetmapChangeListener> {
34 private static final Logger LOG = LoggerFactory.getLogger(SubnetmapChangeListener.class);
35 private final DataBroker dataBroker;
36 private final VpnSubnetRouteHandler vpnSubnetRouteHandler;
39 public SubnetmapChangeListener(final DataBroker dataBroker, final VpnSubnetRouteHandler vpnSubnetRouteHandler) {
40 super(Subnetmap.class, SubnetmapChangeListener.class);
41 this.dataBroker = dataBroker;
42 this.vpnSubnetRouteHandler = vpnSubnetRouteHandler;
47 LOG.info("{} start", getClass().getSimpleName());
48 registerListener(dataBroker);
52 protected InstanceIdentifier<Subnetmap> getWildCardPath() {
53 return InstanceIdentifier.create(Subnetmaps.class).child(Subnetmap.class);
56 // TODO Clean up the exception handling
57 @SuppressWarnings("checkstyle:IllegalCatch")
58 private void registerListener(final DataBroker db) {
60 registerListener(LogicalDatastoreType.CONFIGURATION, db);
61 } catch (final Exception e) {
62 LOG.error("VPNManager subnetMap config DataChange listener registration fail!", e);
63 throw new IllegalStateException("VPNManager subnetMap config DataChange listener registration failed.", e);
68 protected void add(InstanceIdentifier<Subnetmap> identifier, Subnetmap subnetmap) {
69 LOG.debug("SubnetmapChangeListener add subnetmap method - key: {}, value: {}", identifier, subnetmap);
70 Uuid subnetId = subnetmap.getId();
71 Network network = VpnUtil.getNeutronNetwork(dataBroker, subnetmap.getNetworkId());
72 if (network == null) {
73 LOG.error("SubnetMapChangeListener:add: network was not found for subnetId {}", subnetId.getValue());
76 if (VpnUtil.getIsExternal(network)) {
77 LOG.debug("SubnetmapListener:add: provider subnetwork {} is handling in "
78 + "ExternalSubnetVpnInstanceListener", subnetId.getValue());
81 String elanInstanceName = subnetmap.getNetworkId().getValue();
82 long elanTag = getElanTag(elanInstanceName);
84 LOG.error("SubnetMapChangeListener:add: unable to fetch elantag from ElanInstance {} for subnet {}",
85 elanInstanceName, subnetId.getValue());
88 if (subnetmap.getVpnId() != null) {
89 boolean isBgpVpn = !subnetmap.getVpnId().equals(subnetmap.getRouterId());
90 LOG.info("SubnetMapChangeListener:add: subnetmap {} with elanTag {} to VPN {}", subnetmap, elanTag,
91 subnetmap.getVpnId());
92 vpnSubnetRouteHandler.onSubnetAddedToVpn(subnetmap, isBgpVpn, elanTag);
97 protected void remove(InstanceIdentifier<Subnetmap> identifier, Subnetmap subnetmap) {
98 LOG.trace("SubnetmapListener:remove: subnetmap method - key: {}, value: {}", identifier, subnetmap);
102 // TODO Clean up the exception handling
103 @SuppressWarnings("checkstyle:IllegalCatch")
104 protected void update(InstanceIdentifier<Subnetmap> identifier, Subnetmap subnetmapOriginal, Subnetmap
106 LOG.debug("SubnetMapChangeListener update method - key {}, original {}, update {}", identifier,
107 subnetmapOriginal, subnetmapUpdate);
108 Uuid subnetId = subnetmapUpdate.getId();
109 Network network = VpnUtil.getNeutronNetwork(dataBroker, subnetmapUpdate.getNetworkId());
110 if (network == null) {
111 LOG.error("SubnetMapChangeListener:update: network was not found for subnetId {}", subnetId.getValue());
114 if (VpnUtil.getIsExternal(network)) {
115 LOG.debug("SubnetMapChangeListener:update: provider subnetwork {} is handling in "
116 + "ExternalSubnetVpnInstanceListener", subnetId.getValue());
119 String elanInstanceName = subnetmapUpdate.getNetworkId().getValue();
120 long elanTag = getElanTag(elanInstanceName);
122 LOG.error("SubnetMapChangeListener:update: unable to fetch elantag from ElanInstance {} for subnetId {}",
123 elanInstanceName, subnetId);
126 // update on BGPVPN or InternalVPN change
127 Uuid vpnIdOld = subnetmapOriginal.getVpnId();
128 Uuid vpnIdNew = subnetmapUpdate.getVpnId();
129 if (!Objects.equals(vpnIdOld, vpnIdNew)) {
130 LOG.info("SubnetMapChangeListener:update: update subnetOpDataEntry for subnet {} imported in VPN",
131 subnetmapUpdate.getId().getValue());
132 updateSubnetmapOpDataEntry(subnetmapOriginal.getVpnId(), subnetmapUpdate.getVpnId(), subnetmapUpdate,
133 subnetmapOriginal, elanTag);
135 // update on Internet VPN Id change
136 Uuid inetVpnIdOld = subnetmapOriginal.getInternetVpnId();
137 Uuid inetVpnIdNew = subnetmapUpdate.getInternetVpnId();
138 if (!Objects.equals(inetVpnIdOld, inetVpnIdNew)) {
139 LOG.info("SubnetMapChangeListener:update: update subnetOpDataEntry for subnet {} imported in InternetVPN",
140 subnetmapUpdate.getId().getValue());
141 updateSubnetmapOpDataEntry(inetVpnIdOld, inetVpnIdNew, subnetmapUpdate, subnetmapOriginal, elanTag);
143 // update on PortList change
144 List<Uuid> oldPortList;
145 List<Uuid> newPortList;
146 newPortList = subnetmapUpdate.getPortList() != null ? subnetmapUpdate.getPortList() : new ArrayList<>();
147 oldPortList = subnetmapOriginal.getPortList() != null ? subnetmapOriginal.getPortList() : new ArrayList<>();
148 if (newPortList.size() == oldPortList.size()) {
151 LOG.info("SubnetMapChangeListener:update: update port list for subnet {}", subnetmapUpdate.getId().getValue());
152 if (newPortList.size() > oldPortList.size()) {
153 for (Uuid portId : newPortList) {
154 if (! oldPortList.contains(portId)) {
155 vpnSubnetRouteHandler.onPortAddedToSubnet(subnetmapUpdate, portId);
160 for (Uuid portId : oldPortList) {
161 if (! newPortList.contains(portId)) {
162 vpnSubnetRouteHandler.onPortRemovedFromSubnet(subnetmapUpdate, portId);
169 private void updateSubnetmapOpDataEntry(Uuid vpnIdOld, Uuid vpnIdNew, Subnetmap subnetmapUpdate,
170 Subnetmap subnetmapOriginal, Long elanTag) {
172 // subnet added to VPN
173 if (vpnIdNew != null && vpnIdOld == null) {
174 if (vpnIdNew.equals(subnetmapUpdate.getRouterId())) {
177 vpnSubnetRouteHandler.onSubnetAddedToVpn(subnetmapUpdate, true, elanTag);
179 // subnet removed from VPN
180 if (vpnIdOld != null && vpnIdNew == null) {
181 if (vpnIdOld.equals(subnetmapOriginal.getRouterId())) {
184 vpnSubnetRouteHandler.onSubnetDeletedFromVpn(subnetmapOriginal, true);
186 // subnet updated in VPN
187 if (vpnIdOld != null && vpnIdNew != null && (!vpnIdNew.equals(vpnIdOld))) {
188 vpnSubnetRouteHandler.onSubnetUpdatedInVpn(subnetmapUpdate, elanTag);
193 protected SubnetmapChangeListener getDataTreeChangeListener() {
197 // TODO Clean up the exception handling
198 @SuppressWarnings("checkstyle:IllegalCatch")
199 protected long getElanTag(String elanInstanceName) {
200 InstanceIdentifier<ElanInstance> elanIdentifierId = InstanceIdentifier.builder(ElanInstances.class)
201 .child(ElanInstance.class, new ElanInstanceKey(elanInstanceName)).build();
204 Optional<ElanInstance> elanInstance = VpnUtil.read(dataBroker, LogicalDatastoreType
205 .CONFIGURATION, elanIdentifierId);
206 if (elanInstance.isPresent()) {
207 if (elanInstance.get().getElanTag() != null) {
208 elanTag = elanInstance.get().getElanTag();
210 LOG.error("Notification failed because of failure in fetching elanTag for ElanInstance {}",
214 LOG.error("Notification failed because of failure in reading ELANInstance {}", elanInstanceName);
216 } catch (Exception e) {
217 LOG.error("Notification failed because of failure in fetching elanTag for ElanInstance {}",
218 elanInstanceName, e);