2 * Copyright © 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
8 package org.opendaylight.netvirt.elan.l2gw.listeners;
10 import com.google.common.util.concurrent.ListenableFuture;
11 import java.util.ArrayList;
12 import java.util.Collections;
13 import java.util.List;
14 import javax.inject.Inject;
15 import javax.inject.Singleton;
16 import org.opendaylight.controller.md.sal.binding.api.DataBroker;
17 import org.opendaylight.controller.md.sal.common.api.data.LogicalDatastoreType;
18 import org.opendaylight.genius.datastoreutils.hwvtep.HwvtepClusteredDataTreeChangeListener;
19 import org.opendaylight.genius.infra.ManagedNewTransactionRunner;
20 import org.opendaylight.genius.infra.ManagedNewTransactionRunnerImpl;
21 import org.opendaylight.genius.utils.hwvtep.HwvtepNodeHACache;
22 import org.opendaylight.genius.utils.hwvtep.HwvtepSouthboundConstants;
23 import org.opendaylight.genius.utils.hwvtep.HwvtepSouthboundUtils;
24 import org.opendaylight.genius.utils.hwvtep.HwvtepUtils;
25 import org.opendaylight.netvirt.elan.l2gw.utils.ElanL2GatewayUtils;
26 import org.opendaylight.netvirt.elan.l2gw.utils.L2GatewayConnectionUtils;
27 import org.opendaylight.netvirt.elan.utils.ElanClusterUtils;
28 import org.opendaylight.netvirt.neutronvpn.api.l2gw.L2GatewayCache;
29 import org.opendaylight.netvirt.neutronvpn.api.l2gw.L2GatewayDevice;
30 import org.opendaylight.yang.gen.v1.urn.opendaylight.neutron.l2gateways.rev150712.l2gateway.attributes.Devices;
31 import org.opendaylight.yang.gen.v1.urn.opendaylight.neutron.l2gateways.rev150712.l2gateway.attributes.devices.Interfaces;
32 import org.opendaylight.yang.gen.v1.urn.opendaylight.neutron.l2gateways.rev150712.l2gateway.connections.attributes.l2gatewayconnections.L2gatewayConnection;
33 import org.opendaylight.yang.gen.v1.urn.opendaylight.neutron.l2gateways.rev150712.l2gateways.attributes.l2gateways.L2gateway;
34 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.ovsdb.hwvtep.rev150901.HwvtepPhysicalPortAugmentation;
35 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.ovsdb.hwvtep.rev150901.PhysicalSwitchAugmentation;
36 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.ovsdb.hwvtep.rev150901.hwvtep.physical.port.attributes.VlanBindings;
37 import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.NetworkTopology;
38 import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.NodeId;
39 import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.network.topology.Topology;
40 import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.network.topology.TopologyKey;
41 import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.network.topology.topology.Node;
42 import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.network.topology.topology.node.TerminationPoint;
43 import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
44 import org.slf4j.Logger;
45 import org.slf4j.LoggerFactory;
49 * Listener for physical locator presence in operational datastore.
52 public class HwvtepTerminationPointListener
53 extends HwvtepClusteredDataTreeChangeListener<TerminationPoint, HwvtepTerminationPointListener> {
55 private static final Logger LOG = LoggerFactory.getLogger(HwvtepTerminationPointListener.class);
57 private final DataBroker broker;
58 private final ManagedNewTransactionRunner txRunner;
59 private final ElanL2GatewayUtils elanL2GatewayUtils;
60 private final ElanClusterUtils elanClusterUtils;
61 private final L2GatewayCache l2GatewayCache;
64 public HwvtepTerminationPointListener(DataBroker broker, ElanL2GatewayUtils elanL2GatewayUtils,
65 ElanClusterUtils elanClusterUtils, L2GatewayCache l2GatewayCache,
66 HwvtepNodeHACache hwvtepNodeHACache) {
67 super(TerminationPoint.class, HwvtepTerminationPointListener.class, hwvtepNodeHACache);
70 this.txRunner = new ManagedNewTransactionRunnerImpl(broker);
71 this.elanL2GatewayUtils = elanL2GatewayUtils;
72 this.elanClusterUtils = elanClusterUtils;
73 this.l2GatewayCache = l2GatewayCache;
74 //No longer needed as port reconciliation is added in plugin
75 //registerListener(LogicalDatastoreType.OPERATIONAL, broker);
76 LOG.debug("created HwvtepTerminationPointListener");
80 protected void removed(InstanceIdentifier<TerminationPoint> identifier, TerminationPoint del) {
81 LOG.trace("physical locator removed {}", identifier);
82 final HwvtepPhysicalPortAugmentation portAugmentation =
83 del.getAugmentation(HwvtepPhysicalPortAugmentation.class);
84 if (portAugmentation != null) {
85 elanClusterUtils.runOnlyInOwnerNode(HwvtepSouthboundConstants.ELAN_ENTITY_NAME,
86 "Handling Physical port delete",
87 () -> handlePortDeleted(identifier));
92 protected void updated(InstanceIdentifier<TerminationPoint> identifier, TerminationPoint original,
93 TerminationPoint update) {
94 LOG.trace("physical locator available {}", identifier);
98 protected void added(InstanceIdentifier<TerminationPoint> identifier, final TerminationPoint add) {
99 final HwvtepPhysicalPortAugmentation portAugmentation =
100 add.getAugmentation(HwvtepPhysicalPortAugmentation.class);
101 if (portAugmentation != null) {
102 final NodeId nodeId = identifier.firstIdentifierOf(Node.class).firstKeyOf(Node.class).getNodeId();
103 elanClusterUtils.runOnlyInOwnerNode(HwvtepSouthboundConstants.ELAN_ENTITY_NAME,
104 () -> handlePortAdded(add, nodeId));
108 LOG.trace("physical locator available {}", identifier);
112 protected InstanceIdentifier<TerminationPoint> getWildCardPath() {
113 return InstanceIdentifier.create(NetworkTopology.class)
114 .child(Topology.class, new TopologyKey(HwvtepSouthboundConstants.HWVTEP_TOPOLOGY_ID)).child(Node.class)
115 .child(TerminationPoint.class);
119 protected HwvtepTerminationPointListener getDataTreeChangeListener() {
123 private List<ListenableFuture<Void>> handlePortAdded(TerminationPoint portAdded, NodeId psNodeId) {
124 Node psNode = HwvtepUtils.getHwVtepNode(broker, LogicalDatastoreType.OPERATIONAL, psNodeId);
125 if (psNode != null) {
126 String psName = psNode.getAugmentation(PhysicalSwitchAugmentation.class).getHwvtepNodeName().getValue();
127 L2GatewayDevice l2GwDevice = l2GatewayCache.get(psName);
128 if (l2GwDevice != null) {
129 if (isL2GatewayConfigured(l2GwDevice)) {
130 List<L2gatewayConnection> l2GwConns = L2GatewayConnectionUtils.getAssociatedL2GwConnections(broker,
131 l2GwDevice.getL2GatewayIds());
132 String newPortId = portAdded.getTpId().getValue();
133 NodeId hwvtepNodeId = new NodeId(l2GwDevice.getHwvtepNodeId());
134 List<VlanBindings> vlanBindings = getVlanBindings(l2GwConns, hwvtepNodeId, psName, newPortId);
135 return Collections.singletonList(
136 elanL2GatewayUtils.updateVlanBindingsInL2GatewayDevice(hwvtepNodeId, psName, newPortId,
140 LOG.error("{} details are not present in L2Gateway Cache", psName);
143 LOG.error("{} entry not in config datastore", psNodeId);
145 return Collections.emptyList();
148 private List<ListenableFuture<Void>> handlePortDeleted(InstanceIdentifier<TerminationPoint> identifier) {
149 InstanceIdentifier<Node> psNodeIid = identifier.firstIdentifierOf(Node.class);
150 return Collections.singletonList(txRunner.callWithNewReadWriteTransactionAndSubmit(
151 tx -> tx.read(LogicalDatastoreType.CONFIGURATION, psNodeIid).checkedGet().toJavaUtil().ifPresent(
152 node -> tx.delete(LogicalDatastoreType.CONFIGURATION, identifier))));
155 private List<VlanBindings> getVlanBindings(List<L2gatewayConnection> l2GwConns, NodeId hwvtepNodeId, String psName,
157 List<VlanBindings> vlanBindings = new ArrayList<>();
158 for (L2gatewayConnection l2GwConn : l2GwConns) {
159 L2gateway l2Gateway = L2GatewayConnectionUtils.getNeutronL2gateway(broker, l2GwConn.getL2gatewayId());
160 if (l2Gateway == null) {
161 LOG.error("L2Gateway with id {} is not present", l2GwConn.getL2gatewayId().getValue());
163 String logicalSwitchName = ElanL2GatewayUtils.getLogicalSwitchFromElan(
164 l2GwConn.getNetworkId().getValue());
165 List<Devices> l2Devices = l2Gateway.getDevices();
166 for (Devices l2Device : l2Devices) {
167 String l2DeviceName = l2Device.getDeviceName();
168 if (l2DeviceName != null && l2DeviceName.equals(psName)) {
169 for (Interfaces deviceInterface : l2Device.getInterfaces()) {
170 if (deviceInterface.getInterfaceName().equals(newPortId)) {
171 if (deviceInterface.getSegmentationIds() != null
172 && !deviceInterface.getSegmentationIds().isEmpty()) {
173 for (Integer vlanId : deviceInterface.getSegmentationIds()) {
174 vlanBindings.add(HwvtepSouthboundUtils.createVlanBinding(hwvtepNodeId, vlanId,
178 // Use defaultVlanId (specified in L2GatewayConnection) if Vlan
179 // ID not specified at interface level.
180 Integer segmentationId = l2GwConn.getSegmentId();
181 int defaultVlanId = segmentationId != null ? segmentationId : 0;
182 vlanBindings.add(HwvtepSouthboundUtils.createVlanBinding(hwvtepNodeId,
183 defaultVlanId, logicalSwitchName));
194 private boolean isL2GatewayConfigured(L2GatewayDevice l2GwDevice) {
195 return l2GwDevice.getHwvtepNodeId() != null
196 && !l2GwDevice.getL2GatewayIds().isEmpty() && l2GwDevice.getTunnelIp() != null;