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 static java.util.Collections.emptyList;
11 import static org.opendaylight.genius.infra.Datastore.CONFIGURATION;
12 import static org.opendaylight.netvirt.elan.utils.ElanUtils.requireNonNullElse;
14 import com.google.common.util.concurrent.ListenableFuture;
15 import java.util.ArrayList;
16 import java.util.Collections;
17 import java.util.List;
18 import java.util.Objects;
19 import javax.inject.Inject;
20 import javax.inject.Singleton;
21 import org.opendaylight.controller.md.sal.binding.api.DataBroker;
22 import org.opendaylight.controller.md.sal.common.api.data.LogicalDatastoreType;
23 import org.opendaylight.genius.datastoreutils.hwvtep.HwvtepClusteredDataTreeChangeListener;
24 import org.opendaylight.genius.infra.ManagedNewTransactionRunner;
25 import org.opendaylight.genius.infra.ManagedNewTransactionRunnerImpl;
26 import org.opendaylight.genius.utils.hwvtep.HwvtepNodeHACache;
27 import org.opendaylight.genius.utils.hwvtep.HwvtepSouthboundConstants;
28 import org.opendaylight.genius.utils.hwvtep.HwvtepSouthboundUtils;
29 import org.opendaylight.genius.utils.hwvtep.HwvtepUtils;
30 import org.opendaylight.netvirt.elan.l2gw.utils.ElanL2GatewayUtils;
31 import org.opendaylight.netvirt.elan.l2gw.utils.L2GatewayConnectionUtils;
32 import org.opendaylight.netvirt.elan.utils.ElanClusterUtils;
33 import org.opendaylight.netvirt.neutronvpn.api.l2gw.L2GatewayCache;
34 import org.opendaylight.netvirt.neutronvpn.api.l2gw.L2GatewayDevice;
35 import org.opendaylight.yang.gen.v1.urn.opendaylight.neutron.l2gateways.rev150712.l2gateway.attributes.Devices;
36 import org.opendaylight.yang.gen.v1.urn.opendaylight.neutron.l2gateways.rev150712.l2gateway.attributes.devices.Interfaces;
37 import org.opendaylight.yang.gen.v1.urn.opendaylight.neutron.l2gateways.rev150712.l2gateway.connections.attributes.l2gatewayconnections.L2gatewayConnection;
38 import org.opendaylight.yang.gen.v1.urn.opendaylight.neutron.l2gateways.rev150712.l2gateways.attributes.l2gateways.L2gateway;
39 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.ovsdb.hwvtep.rev150901.HwvtepPhysicalPortAugmentation;
40 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.ovsdb.hwvtep.rev150901.PhysicalSwitchAugmentation;
41 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.ovsdb.hwvtep.rev150901.hwvtep.physical.port.attributes.VlanBindings;
42 import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.NetworkTopology;
43 import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.NodeId;
44 import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.network.topology.Topology;
45 import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.network.topology.TopologyKey;
46 import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.network.topology.topology.Node;
47 import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.network.topology.topology.node.TerminationPoint;
48 import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
49 import org.slf4j.Logger;
50 import org.slf4j.LoggerFactory;
54 * Listener for physical locator presence in operational datastore.
57 public class HwvtepTerminationPointListener
58 extends HwvtepClusteredDataTreeChangeListener<TerminationPoint, HwvtepTerminationPointListener> {
60 private static final Logger LOG = LoggerFactory.getLogger(HwvtepTerminationPointListener.class);
62 private final DataBroker broker;
63 private final ManagedNewTransactionRunner txRunner;
64 private final ElanL2GatewayUtils elanL2GatewayUtils;
65 private final ElanClusterUtils elanClusterUtils;
66 private final L2GatewayCache l2GatewayCache;
69 public HwvtepTerminationPointListener(DataBroker broker, ElanL2GatewayUtils elanL2GatewayUtils,
70 ElanClusterUtils elanClusterUtils, L2GatewayCache l2GatewayCache,
71 HwvtepNodeHACache hwvtepNodeHACache) {
72 super(TerminationPoint.class, HwvtepTerminationPointListener.class, hwvtepNodeHACache);
75 this.txRunner = new ManagedNewTransactionRunnerImpl(broker);
76 this.elanL2GatewayUtils = elanL2GatewayUtils;
77 this.elanClusterUtils = elanClusterUtils;
78 this.l2GatewayCache = l2GatewayCache;
79 //No longer needed as port reconciliation is added in plugin
80 //registerListener(LogicalDatastoreType.OPERATIONAL, broker);
81 LOG.debug("created HwvtepTerminationPointListener");
85 protected void removed(InstanceIdentifier<TerminationPoint> identifier, TerminationPoint del) {
86 LOG.trace("physical locator removed {}", identifier);
87 final HwvtepPhysicalPortAugmentation portAugmentation =
88 del.augmentation(HwvtepPhysicalPortAugmentation.class);
89 if (portAugmentation != null) {
90 elanClusterUtils.runOnlyInOwnerNode(HwvtepSouthboundConstants.ELAN_ENTITY_NAME,
91 "Handling Physical port delete",
92 () -> handlePortDeleted(identifier));
97 protected void updated(InstanceIdentifier<TerminationPoint> identifier, TerminationPoint original,
98 TerminationPoint update) {
99 LOG.trace("physical locator available {}", identifier);
103 protected void added(InstanceIdentifier<TerminationPoint> identifier, final TerminationPoint add) {
104 final HwvtepPhysicalPortAugmentation portAugmentation =
105 add.augmentation(HwvtepPhysicalPortAugmentation.class);
106 if (portAugmentation != null) {
107 final NodeId nodeId = identifier.firstIdentifierOf(Node.class).firstKeyOf(Node.class).getNodeId();
108 elanClusterUtils.runOnlyInOwnerNode(HwvtepSouthboundConstants.ELAN_ENTITY_NAME,
109 () -> handlePortAdded(add, nodeId));
113 LOG.trace("physical locator available {}", identifier);
117 protected InstanceIdentifier<TerminationPoint> getWildCardPath() {
118 return InstanceIdentifier.create(NetworkTopology.class)
119 .child(Topology.class, new TopologyKey(HwvtepSouthboundConstants.HWVTEP_TOPOLOGY_ID)).child(Node.class)
120 .child(TerminationPoint.class);
124 protected HwvtepTerminationPointListener getDataTreeChangeListener() {
128 private List<ListenableFuture<Void>> handlePortAdded(TerminationPoint portAdded, NodeId psNodeId) {
129 Node psNode = HwvtepUtils.getHwVtepNode(broker, LogicalDatastoreType.OPERATIONAL, psNodeId);
130 if (psNode != null) {
131 String psName = psNode.augmentation(PhysicalSwitchAugmentation.class).getHwvtepNodeName().getValue();
132 L2GatewayDevice l2GwDevice = l2GatewayCache.get(psName);
133 if (l2GwDevice != null) {
134 if (isL2GatewayConfigured(l2GwDevice)) {
135 List<L2gatewayConnection> l2GwConns = L2GatewayConnectionUtils.getAssociatedL2GwConnections(broker,
136 l2GwDevice.getL2GatewayIds());
137 String newPortId = portAdded.getTpId().getValue();
138 NodeId hwvtepNodeId = new NodeId(l2GwDevice.getHwvtepNodeId());
139 List<VlanBindings> vlanBindings = getVlanBindings(l2GwConns, hwvtepNodeId, psName, newPortId);
140 return Collections.singletonList(
141 elanL2GatewayUtils.updateVlanBindingsInL2GatewayDevice(hwvtepNodeId, psName, newPortId,
145 LOG.error("{} details are not present in L2Gateway Cache", psName);
148 LOG.error("{} entry not in config datastore", psNodeId);
153 private List<ListenableFuture<Void>> handlePortDeleted(InstanceIdentifier<TerminationPoint> identifier) {
154 InstanceIdentifier<Node> psNodeIid = identifier.firstIdentifierOf(Node.class);
155 return Collections.singletonList(txRunner.callWithNewReadWriteTransactionAndSubmit(CONFIGURATION,
156 tx -> tx.read(psNodeIid).get().toJavaUtil().ifPresent(
157 node -> tx.delete(identifier))));
160 private List<VlanBindings> getVlanBindings(List<L2gatewayConnection> l2GwConns, NodeId hwvtepNodeId, String psName,
162 List<VlanBindings> vlanBindings = new ArrayList<>();
163 for (L2gatewayConnection l2GwConn : l2GwConns) {
164 L2gateway l2Gateway = L2GatewayConnectionUtils.getNeutronL2gateway(broker, l2GwConn.getL2gatewayId());
165 if (l2Gateway == null) {
166 LOG.error("L2Gateway with id {} is not present", l2GwConn.getL2gatewayId().getValue());
168 String logicalSwitchName = ElanL2GatewayUtils.getLogicalSwitchFromElan(
169 l2GwConn.getNetworkId().getValue());
170 List<Devices> l2Devices = requireNonNullElse(l2Gateway.getDevices(), emptyList());
171 for (Devices l2Device : l2Devices) {
172 String l2DeviceName = l2Device.getDeviceName();
173 if (l2DeviceName != null && l2DeviceName.equals(psName)) {
174 for (Interfaces deviceInterface : requireNonNullElse(l2Device.getInterfaces(),
175 Collections.<Interfaces>emptyList())) {
176 if (Objects.equals(deviceInterface.getInterfaceName(), newPortId)) {
177 if (deviceInterface.getSegmentationIds() != null
178 && !deviceInterface.getSegmentationIds().isEmpty()) {
179 for (Integer vlanId : deviceInterface.getSegmentationIds()) {
180 vlanBindings.add(HwvtepSouthboundUtils.createVlanBinding(hwvtepNodeId, vlanId,
184 // Use defaultVlanId (specified in L2GatewayConnection) if Vlan
185 // ID not specified at interface level.
186 Integer segmentationId = l2GwConn.getSegmentId();
187 int defaultVlanId = segmentationId != null ? segmentationId : 0;
188 vlanBindings.add(HwvtepSouthboundUtils.createVlanBinding(hwvtepNodeId,
189 defaultVlanId, logicalSwitchName));
200 private boolean isL2GatewayConfigured(L2GatewayDevice l2GwDevice) {
201 return l2GwDevice.getHwvtepNodeId() != null
202 && !l2GwDevice.getL2GatewayIds().isEmpty() && l2GwDevice.getTunnelIp() != null;